build: find and link to Threads::Threads

the fx.diagnostics namespace includes a process class for starting and managing processes

.clang-format

@@ -45,7 +45,7 @@ SpacesBeforeTrailingComments: 3
 TabWidth: 8
 UseTab: AlignWithSpaces
 BreakAfterReturnType: Automatic
-PenaltyBreakAssignment: 1000000
+PenaltyBreakAssignment: 0
 PenaltyReturnTypeOnItsOwnLine: 100000000
 PenaltyExcessCharacter: 10000000
 PenaltyBreakOpenParenthesis: 0

CMakeLists.txt

@@ -1,11 +1,23 @@
 cmake_minimum_required(VERSION 3.25)
 project(fx C ASM)
 
-set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
+
+find_package(Threads REQUIRED)
+
 include (TestBigEndian)
 include(Templates)
 include(Platform)
 
+test_big_endian(is_big_endian)
+if (is_big_endian)
+	message(STATUS "Target is Big Endian")
+	add_compile_definitions(FX_ENDIAN=1)
+else ()
+	message(STATUS "Target is Little Endian")
+	add_compile_definitions(FX_ENDIAN=0)
+endif ()
+
 set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_EXTENSIONS OFF)
 
@@ -49,4 +61,12 @@ foreach (assembly ${fx_assemblies})
 	add_subdirectory(assemblies/${assembly})
 endforeach (assembly)
 
-add_subdirectory(test)
+if (fx_enable_tests)
+	add_subdirectory(test)
+endif ()
+
+set_target_properties(
+    ${fx_assemblies}
+    PROPERTIES
+    INSTALL_RPATH
+    "${CMAKE_INSTALL_RPATH};${CMAKE_INSTALL_PREFIX}/lib")

assemblies/fx.collections/assembly.c

@@ -7,8 +7,7 @@ FX_ASSEMBLY_BEGIN()
 	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "array", fx_array);
 	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "bitbuffer", fx_bitbuffer);
 	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "bitmap", fx_bitmap);
-	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "dict", fx_dict);
+	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "hashtable", fx_hashtable);
 	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "hashmap", fx_hashmap);
 	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "list", fx_list);
-	FX_ASSEMBLY_EXPORT_TYPE("fx.collections", "tree", fx_tree);
 FX_ASSEMBLY_END()

assemblies/fx.diagnostics/CMakeLists.txt

@@ -0,0 +1,4 @@
+add_fx_assembly(
+	NAME fx.diagnostics
+	NAMESPACES fx.diagnostics
+	DEPENDENCIES fx.runtime fx.collections fx.io)

assemblies/fx.diagnostics/assembly.c

@@ -0,0 +1,7 @@
+#include <fx/macros.h>
+#include <fx/reflection/assembly.h>
+
+FX_ASSEMBLY_BEGIN(fx_diagnostics)
+	FX_ASSEMBLY_NAME("fx.diagnostics");
+	FX_ASSEMBLY_VERSION(1, 0, 0, 0);
+FX_ASSEMBLY_END(fx_diagnostics)

assemblies/fx.runtime/CMakeLists.txt

@@ -1,3 +1,4 @@
 add_fx_assembly(
 	NAME fx.runtime
-	NAMESPACES fx fx.reflection)
+	NAMESPACES fx fx.reflection
+	DEPENDENCIES Threads::Threads)

cmake/FindFX.cmake

@@ -49,43 +49,37 @@ if (FX_STATIC)
 	set(_lib_suffix "-s")
 endif ()
 
-set(supported_components Core Ds Term Cmd Io Serial Compress)
-set(components ${FX_FIND_COMPONENTS})
-string(REPLACE ";" ", " supported_components_string_list "${supported_components}")
-
-if (NOT components)
-	set(components ${supported_components})
-endif ()
-
+set(assemblies ${FX_FIND_COMPONENTS})
 set(required_vars)
 
-foreach (component ${components})
-	if (NOT "${component}" IN_LIST supported_components)
-		message(FATAL_ERROR "'${component}' is not a valid FX module.\nSupported modules: ${supported_components_string_list}")
-	endif ()
+if (NOT FX_INCLUDE_DIR)
+	find_path(FX_INCLUDE_DIR
+		NAMES fx/misc.h ${FX_FIND_ARGS}
+		PATH_SUFFIXES include
+		PATHS ${FX_SEARCH_PATHS})
+endif ()
 
-	string(TOLOWER ${component} header_name)
-	set(lib_name ${header_name}${_lib_suffix})
+set(required_vars FX_INCLUDE_DIR)
 
-	if (NOT FX_${component}_INCLUDE_DIR)
-		find_path(FX_${component}_INCLUDE_DIR
-			NAMES fx/${header_name}.h ${FX_FIND_ARGS}
-			PATH_SUFFIXES include
-			PATHS ${FX_SEARCH_PATHS})
-	endif ()
+foreach (assembly ${assemblies})
+	string(TOLOWER ${assembly} header_name)
+	string(REPLACE "." "_" macro_name ${assembly})
+	string(TOUPPER ${macro_name} macro_name)
 
-	if (NOT FX_${component}_LIBRARY)
-		find_library(FX_${component}_LIBRARY
-			NAMES fx-${lib_name} ${FX_FIND_ARGS}
+	set(lib_name ${assembly}${_lib_suffix})
+
+	if (NOT ${macro_name}_LIBRARY)
+		find_library(${macro_name}_LIBRARY
+			NAMES ${lib_name} ${FX_FIND_ARGS}
 			PATH_SUFFIXES lib
 			PATHS ${FX_SEARCH_PATHS})
 	else ()
 		# on Windows, ensure paths are in canonical format (forward slahes):
-		file(TO_CMAKE_PATH "${FX_${component}_LIBRARY}" FX_${component}_LIBRARY)
+		file(TO_CMAKE_PATH "${${macro_name}_LIBRARY}" ${macro_name}_LIBRARY)
 	endif()
 
-	list(APPEND required_vars FX_${component}_INCLUDE_DIR FX_${component}_LIBRARY)
-endforeach (component)
+	list(APPEND required_vars ${macro_name}_LIBRARY)
+endforeach (assembly)
 
 unset(FX_FIND_ARGS)
 
@@ -96,94 +90,35 @@ find_package_handle_standard_args(FX
 
 if (FX_FOUND)
 	set(created_targets)
-	foreach (component ${components})
-		string(TOLOWER ${component} header_name)
-		set(lib_name ${header_name}${_lib_suffix})
+	foreach (assembly ${assemblies})
+		set(target_name ${assembly})
+		string(REPLACE "fx." "" target_name ${target_name})
+		string(SUBSTRING ${target_name} 0 1 target_name_prefix)
+		string(TOUPPER ${target_name_prefix} target_name_prefix)
+		string(SUBSTRING ${target_name} 1 -1 target_name_suffix)
+		set(target_name ${target_name_prefix}${target_name_suffix})
 
-		if(NOT TARGET FX::${component})
-			add_library(FX::${component} UNKNOWN IMPORTED)
-			set_target_properties(FX::${component} PROPERTIES
-				INTERFACE_INCLUDE_DIRECTORIES "${FX_${component}_INCLUDE_DIR}")
-			target_compile_definitions(FX::${component} INTERFACE _CRT_SECURE_NO_WARNINGS=1)
+		string(TOLOWER ${assembly} header_name)
+		string(REPLACE "." "_" macro_name ${assembly})
+		string(REPLACE "." "_" macro_name ${assembly})
+		string(TOUPPER ${macro_name} macro_name)
+
+		set(lib_name ${assembly}${_lib_suffix})
+
+		if (NOT TARGET FX::${target_name})
+			add_library(FX::${target_name} UNKNOWN IMPORTED)
+			set_target_properties(FX::${target_name} PROPERTIES
+				INTERFACE_INCLUDE_DIRECTORIES "${FX_INCLUDE_DIR}")
+			target_compile_definitions(FX::${target_name} INTERFACE _CRT_SECURE_NO_WARNINGS=1)
 
 			if (FX_STATIC)
-				target_compile_definitions(FX::${component} INTERFACE FX_STATIC=1)
+				target_compile_definitions(FX::${target_name} INTERFACE FX_STATIC=1)
 			endif ()
 
-			set_target_properties(FX::${component} PROPERTIES
+			set_target_properties(FX::${target_name} PROPERTIES
 				IMPORTED_LINK_INTERFACE_LANGUAGES "C"
-				IMPORTED_LOCATION "${FX_${component}_LIBRARY}")
-			set(created_targets ${created_targets} ${component})
+				IMPORTED_LOCATION "${${macro_name}_LIBRARY}")
+			set(created_targets ${created_targets} ${assembly})
 		endif ()
-	endforeach (component)
-
-	foreach (component ${created_targets})
-		if ("${component}" STREQUAL "Ds")
-			if (NOT TARGET FX::Core)
-				message(FATAL_ERROR "FX: Module 'Ds' depends on 'Core', which was not specified in find_package()")
-			endif ()
-
-			target_link_libraries(FX::Ds INTERFACE FX::Core)
-		endif ()
-
-		if ("${component}" STREQUAL "Term")
-			if (NOT TARGET FX::Core)
-				message(FATAL_ERROR "FX: Module 'Term' depends on 'Core', which was not specified in find_package()")
-			endif ()
-
-			if (NOT TARGET FX::Ds)
-				message(FATAL_ERROR "FX: Module 'Term' depends on 'Ds', which was not specified in find_package()")
-			endif ()
-
-			target_link_libraries(FX::Term INTERFACE FX::Core FX::Ds)
-		endif ()
-
-		if ("${component}" STREQUAL "Serial")
-			if (NOT TARGET FX::Core)
-				message(FATAL_ERROR "FX: Module 'Serial' depends on 'Core', which was not specified in find_package()")
-			endif ()
-
-			if (NOT TARGET FX::Ds)
-				message(FATAL_ERROR "FX: Module 'Serial' depends on 'Ds', which was not specified in find_package()")
-			endif ()
-
-			target_link_libraries(FX::Serial INTERFACE FX::Core FX::Ds)
-		endif ()
-
-		if ("${component}" STREQUAL "Cmd")
-			if (NOT TARGET FX::Core)
-				message(FATAL_ERROR "FX: Module 'Cmd' depends on 'Core', which was not specified in find_package()")
-			endif ()
-
-			if (NOT TARGET FX::Ds)
-				message(FATAL_ERROR "FX: Module 'Cmd' depends on 'Ds', which was not specified in find_package()")
-			endif ()
-
-			if (NOT TARGET FX::Term)
-				message(FATAL_ERROR "FX: Module 'Cmd' depends on 'Term', which was not specified in find_package()")
-			endif ()
-
-			target_link_libraries(FX::Cmd INTERFACE FX::Core FX::Ds FX::Term)
-		endif ()
-
-		if ("${component}" STREQUAL "Io")
-			if (NOT TARGET FX::Core)
-				message(FATAL_ERROR "FX: Module 'Io' depends on 'Core', which was not specified in find_package()")
-			endif ()
-
-			if (NOT TARGET FX::Ds)
-				message(FATAL_ERROR "FX: Module 'Io' depends on 'Ds', which was not specified in find_package()")
-			endif ()
-
-			target_link_libraries(FX::Io INTERFACE FX::Core FX::Ds)
-		endif ()
-
-		if ("${component}" STREQUAL "Compress")
-			if (NOT TARGET FX::Core)
-				message(FATAL_ERROR "FX: Module 'Compress' depends on 'Core', which was not specified in find_package()")
-			endif ()
-
-			target_link_libraries(FX::Compress INTERFACE FX::Core FX::Ds)
-		endif ()
-	endforeach (component)
+	endforeach (assembly)
 endif()

cmake/Platform.cmake

@@ -19,7 +19,7 @@ function(get_platform_details)
 	elseif ("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
 		set(system_name "win32")
 	else ()
-		message(FATAL_ERROR "Unsupported platform: ${CMAKE_SYSTEM_NAME}")
+		string(TOLOWER "${CMAKE_SYSTEM_NAME}" system_name)
 	endif ()
 
 	if ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "x86_64")
@@ -27,7 +27,7 @@ function(get_platform_details)
 	elseif ("${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "arm64")
 		set(system_arch "aarch64")
 	else ()
-		message(FATAL_ERROR "Unsupported architecture: ${CMAKE_SYSTEM_PROCESSOR}")
+		string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" system_arch)
 	endif ()
 
 	set(${arg_SYSTEM} ${system_name} PARENT_SCOPE)

cmake/Templates.cmake

@@ -18,10 +18,12 @@ function(add_fx_assembly)
 
 	set(assembly_include_paths "")
 	set(assembly_sources ${CMAKE_CURRENT_SOURCE_DIR}/assembly.c)
+	set(assembly_headers)
 
 	foreach (dir ${arg_NAMESPACES})
 		add_subdirectory(${fx_source_root}/${dir} ${fx_build_root}/namespaces/${dir})
 		set(assembly_sources ${assembly_sources} ${namespace_sources})
+		set(assembly_headers ${assembly_headers} ${namespace_headers})
 		set(assembly_include_paths ${assembly_include_paths} ${namespace_include_paths})
 	endforeach (dir)
 
@@ -45,31 +47,23 @@ function(add_fx_assembly)
 		target_compile_definitions(${assembly_target_name} PRIVATE ${def})
 	endforeach (def)
 
-	foreach (ns ${arg_NAMESPACES})
-		file(GLOB test_sources ${fx_source_root}/${ns}/test/*.c)
-		foreach (test_file ${test_sources})
-			get_filename_component(test_name ${test_file} NAME_WE)
-			set(test_name ${ns}-${test_name})
-			string(REPLACE "." "-" test_name ${test_name})
-			add_executable(${test_name} ${test_file})
-			target_link_libraries(${test_name} ${assembly_target_name})
-		endforeach (test_file)
-	endforeach (ns)
+	if (fx_enable_tests)
+		foreach (ns ${arg_NAMESPACES})
+			file(GLOB test_sources ${fx_source_root}/${ns}/test/*.c)
+			foreach (test_file ${test_sources})
+				get_filename_component(test_name ${test_file} NAME_WE)
+				set(test_name ${ns}-${test_name})
+				string(REPLACE "." "-" test_name ${test_name})
+				add_executable(${test_name} ${test_file})
+				target_link_libraries(${test_name} ${assembly_target_name})
+			endforeach (test_file)
+		endforeach (ns)
+	endif ()
 
 	set_target_properties(${assembly_target_name} PROPERTIES
 		FOLDER "${assembly_name}")
 
-	TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
-	if(IS_BIG_ENDIAN)
-		target_compile_definitions(${assembly_target_name} PRIVATE
-			BIG_ENDIAN)
-	else()
-		target_compile_definitions(${assembly_target_name} PRIVATE
-			LITTLE_ENDIAN)
-	endif()
-
 	install(TARGETS ${assembly_target_name})
-	install(FILES ${headers} DESTINATION include/${assembly_path})
 endfunction(add_fx_assembly)
 
 macro(export_fx_namespace_details ns_name)
@@ -96,6 +90,7 @@ macro(export_fx_namespace_details ns_name)
 		${CMAKE_CURRENT_SOURCE_DIR}/sys/${fx_system_name}/${fx_system_arch}/*.h
 		${CMAKE_CURRENT_SOURCE_DIR}/sys/${fx_system_name}/${fx_system_arch}/*.S)
 	file(GLOB headers include/${namespace_path}/*.h)
+	set(namespace_headers ${headers} PARENT_SCOPE)
 	set(namespace_sources
 		${namespace_sources}
 		${base_namespace_sources}
@@ -110,5 +105,6 @@ macro(export_fx_namespace_details ns_name)
 		PARENT_SCOPE)
 	set(internal_libs ${internal_libs} PARENT_SCOPE)
 	set(internal_defines ${internal_defines} PARENT_SCOPE)
+	install(FILES ${headers} DESTINATION include/${namespace_path})
 endmacro(export_fx_namespace_details)
 

fx.cmdline/arg.c

@@ -1,6 +1,6 @@
 #include "command.h"
 
-#include <fx/cmd.h>
+#include <fx/cmdline/cmd.h>
 #include <fx/string.h>
 #include <stdlib.h>
 #include <string.h>

fx.cmdline/arglist.c

@@ -1,6 +1,6 @@
 #include "command.h"
 
-#include <fx/cmd.h>
+#include <fx/cmdline/cmd.h>
 #include <fx/misc.h>
 #include <fx/string.h>
 #include <fx/term/print.h>

fx.cmdline/command.c

@@ -1,7 +1,7 @@
 #include "command.h"
 
 #include <fx/bst.h>
-#include <fx/cmd.h>
+#include <fx/cmdline/cmd.h>
 #include <fx/string.h>
 #include <fx/term/print.h>
 #include <fx/term/tty.h>

fx.cmdline/command.h

@@ -2,7 +2,7 @@
 #define _FX_COMMAND_H_
 
 #include <fx/bst.h>
-#include <fx/cmd.h>
+#include <fx/cmdline/cmd.h>
 #include <fx/queue.h>
 #include <fx/string.h>
 

fx.cmdline/option.c

@@ -1,6 +1,6 @@
 #include "command.h"
 
-#include <fx/cmd.h>
+#include <fx/cmdline/cmd.h>
 #include <fx/string.h>
 #include <stdlib.h>
 #include <string.h>

fx.cmdline/report.c

@@ -48,7 +48,7 @@ enum fx_status fx_arglist_report_missing_option(
 	}
 
 	fx_err("required option `" F_YELLOW "%s" F_RESET "` was not specified.",
-	       fx_stringstream_ptr(opt_name));
+	       fx_stringstream_get_cstr(opt_name));
 	fx_i("usage: %s", fx_string_get_cstr(opt_string));
 	fx_i("for more information, use `" F_YELLOW "--help" F_RESET "`");
 

fx.cmdline/test/example.c

@@ -1,4 +1,4 @@
-#include <fx/cmd.h>
+#include <fx/cmdline/cmd.h>
 #include <stdio.h>
 
 enum {
@@ -27,16 +27,24 @@ const char *text
 	  "great pleasure.";
 
 static int test_command(
-	const fx_command *self, const fx_arglist *opt, const fx_array *args)
+	const fx_command *self,
+	const fx_arglist *opt,
+	const fx_array *args)
 {
 	printf("Hello, world!\n");
 
 	fx_arglist_iterator it;
 	fx_arglist_iterator_begin(
-		opt, FX_COMMAND_INVALID_ID, FX_COMMAND_INVALID_ID, &it);
+		opt,
+		FX_COMMAND_INVALID_ID,
+		FX_COMMAND_INVALID_ID,
+		&it);
 	while (fx_arglist_iterator_is_valid(&it)) {
-		printf("opt:%u,arg:%u,i:%zu,value: %s\n", it.opt_id,
-		       it.value->val_id, it.i, it.value->val_str);
+		printf("opt:%u,arg:%u,i:%zu,value: %s\n",
+		       it.opt_id,
+		       it.value->val_id,
+		       it.i,
+		       it.value->val_str);
 
 		fx_arglist_iterator_next(&it);
 	}

fx.collections/array.c

@@ -2,6 +2,7 @@
 #include <fx/iterator.h>
 #include <fx/stream.h>
 #include <fx/string.h>
+#include <fx/value.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -12,17 +13,17 @@ struct fx_array_p {
 	size_t ar_len;
 	/* maximum number of items that can currently be stored in array */
 	size_t ar_cap;
-	fx_object **ar_data;
+	fx_value *ar_data;
 };
 
 struct fx_array_iterator_p {
-	fx_array *_a;
+	const fx_array *_a;
 	struct fx_array_p *_a_p;
 
 	/** The index of the current value */
 	size_t i;
 	/** The current value */
-	fx_object *value;
+	fx_value *value;
 };
 
 /*** PRIVATE FUNCTIONS ********************************************************/
@@ -32,7 +33,7 @@ static fx_status resize_array(struct fx_array_p *array, size_t new_capacity)
 	if (array->ar_cap < new_capacity) {
 		void *new_data = realloc(
 			array->ar_data,
-			new_capacity * sizeof(struct fx_dsref *));
+			new_capacity * sizeof(fx_value));
 		if (!new_data) {
 			return FX_ERR_NO_MEMORY;
 		}
@@ -40,12 +41,12 @@ static fx_status resize_array(struct fx_array_p *array, size_t new_capacity)
 		array->ar_data = new_data;
 	} else {
 		for (size_t i = new_capacity; i < array->ar_len; i++) {
-			fx_object_unref(array->ar_data[i]);
+			fx_value_unset(&array->ar_data[i]);
 		}
 
 		void *new_data = realloc(
 			array->ar_data,
-			new_capacity * sizeof(struct fx_dsref *));
+			new_capacity * sizeof(fx_value));
 		if (!new_data) {
 			return FX_ERR_NO_MEMORY;
 		}
@@ -63,7 +64,7 @@ static fx_status resize_array(struct fx_array_p *array, size_t new_capacity)
 
 static fx_status array_insert(
 	struct fx_array_p *array,
-	fx_object *value,
+	fx_value value,
 	size_t at)
 {
 	if (at == FX_NPOS) {
@@ -84,13 +85,13 @@ static fx_status array_insert(
 		}
 	}
 
-	fx_object **src = array->ar_data + at;
-	fx_object **dest = src + 1;
-	size_t move_len = (array->ar_len - at) * sizeof(struct fx_dsref *);
+	fx_value *src = array->ar_data + at;
+	fx_value *dest = src + 1;
+	size_t move_len = (array->ar_len - at) * sizeof(fx_value);
 
 	memmove(dest, src, move_len);
 
-	array->ar_data[at] = fx_object_ref(value);
+	fx_value_copy(&array->ar_data[at], &value);
 	array->ar_len++;
 
 	return FX_SUCCESS;
@@ -102,11 +103,11 @@ static fx_status array_remove(struct fx_array_p *array, size_t at)
 		return FX_ERR_OUT_OF_BOUNDS;
 	}
 
-	fx_object **src = array->ar_data + at;
-	fx_object **dest = src + 1;
-	size_t move_len = array->ar_len * sizeof(struct fx_dsref *);
+	fx_value *src = array->ar_data + at;
+	fx_value *dest = src + 1;
+	size_t move_len = array->ar_len * sizeof(fx_value);
 
-	fx_object_unref(array->ar_data[at]);
+	fx_value_unset(&array->ar_data[at]);
 
 	memmove(dest, src, move_len);
 
@@ -125,17 +126,17 @@ static fx_status array_remove_back(struct fx_array_p *array)
 	return array_remove(array, array->ar_len - 1);
 }
 
-static fx_object *array_pop(struct fx_array_p *array, size_t at)
+static fx_value array_pop(struct fx_array_p *array, size_t at)
 {
 	if (at >= array->ar_len) {
-		return NULL;
+		return FX_VALUE_EMPTY;
 	}
 
-	fx_object **src = array->ar_data + at;
-	fx_object **dest = src + 1;
-	size_t move_len = array->ar_len * sizeof(struct fx_dsref *);
+	fx_value *dest = array->ar_data + at;
+	fx_value *src = dest + 1;
+	size_t move_len = array->ar_len * sizeof(fx_value);
 
-	fx_object *out = array->ar_data[at];
+	fx_value out = array->ar_data[at];
 
 	memmove(dest, src, move_len);
 
@@ -144,40 +145,40 @@ static fx_object *array_pop(struct fx_array_p *array, size_t at)
 	return out;
 }
 
-static fx_object *array_pop_front(struct fx_array_p *array)
+static fx_value array_pop_front(struct fx_array_p *array)
 {
 	return array_pop(array, 0);
 }
 
-static fx_object *array_pop_back(struct fx_array_p *array)
+static fx_value array_pop_back(struct fx_array_p *array)
 {
 	return array_pop(array, array->ar_len - 1);
 }
 
-static fx_object *array_at(const struct fx_array_p *array, size_t at)
+static fx_value *array_get_ref(const struct fx_array_p *array, size_t at)
 {
 	if (at >= array->ar_len) {
 		return NULL;
 	}
 
-	return array->ar_data[at];
+	return &array->ar_data[at];
 }
 
-static fx_object *array_get(struct fx_array_p *array, size_t at)
+static fx_value array_get(struct fx_array_p *array, size_t at)
 {
 	if (at >= array->ar_len) {
-		return NULL;
+		return FX_VALUE_EMPTY;
 	}
 
-	return fx_object_ref(array->ar_data[at]);
+	return fx_value_copy_return(array->ar_data[at]);
 }
 
-static size_t array_size(const struct fx_array_p *array)
+static size_t array_get_size(const struct fx_array_p *array)
 {
 	return array->ar_len;
 }
 
-static size_t array_capacity(const struct fx_array_p *array)
+static size_t array_get_capacity(const struct fx_array_p *array)
 {
 	return array->ar_cap;
 }
@@ -189,18 +190,16 @@ static void array_clear(struct fx_array_p *array)
 	}
 
 	for (size_t i = 0; i < array->ar_len; i++) {
-		fx_object_unref(array->ar_data[i]);
+		fx_value_unset(&array->ar_data[i]);
 	}
 
-	memset(array->ar_data, 0x0, array->ar_cap * sizeof(fx_object *));
+	memset(array->ar_data, 0x0, array->ar_cap * sizeof(fx_value));
 	array->ar_len = 0;
 }
 
 /*** PUBLIC FUNCTIONS *********************************************************/
 
-fx_array *fx_array_create_with_values(
-	fx_object *const *values,
-	size_t nr_values)
+fx_array *fx_array_create_with_values(const fx_value *values, size_t nr_values)
 {
 	fx_array *array = fx_array_create();
 	if (!array) {
@@ -211,14 +210,14 @@ fx_array *fx_array_create_with_values(
 
 	size_t real_nr_values = 0;
 	for (size_t i = 0; i < nr_values; i++) {
-		if (values[i]) {
+		if (fx_value_is_set(&values[i])) {
 			real_nr_values++;
 		}
 	}
 
 	p->ar_len = real_nr_values;
 	p->ar_cap = real_nr_values;
-	p->ar_data = calloc(real_nr_values, sizeof(struct fx_dsref *));
+	p->ar_data = calloc(real_nr_values, sizeof(fx_value));
 	if (!p->ar_data) {
 		fx_array_unref(array);
 		return NULL;
@@ -226,13 +225,13 @@ fx_array *fx_array_create_with_values(
 
 	size_t index = 0;
 	for (size_t i = 0; i < nr_values; i++) {
-		p->ar_data[index++] = fx_object_ref(values[i]);
+		fx_value_copy(&p->ar_data[index++], &values[i]);
 	}
 
 	return array;
 }
 
-fx_status fx_array_insert(fx_array *array, fx_object *value, size_t at)
+fx_status fx_array_insert(fx_array *array, fx_value value, size_t at)
 {
 	FX_CLASS_DISPATCH_STATIC(FX_TYPE_ARRAY, array_insert, array, value, at);
 }
@@ -252,39 +251,39 @@ fx_status fx_array_remove_back(fx_array *array)
 	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ARRAY, array_remove_back, array);
 }
 
-fx_object *fx_array_pop(fx_array *array, size_t at)
+fx_value fx_array_pop(fx_array *array, size_t at)
 {
 	FX_CLASS_DISPATCH_STATIC(FX_TYPE_ARRAY, array_pop, array, at);
 }
 
-fx_object *fx_array_pop_front(fx_array *array)
+fx_value fx_array_pop_front(fx_array *array)
 {
 	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ARRAY, array_pop_front, array);
 }
 
-fx_object *fx_array_pop_back(fx_array *array)
+fx_value fx_array_pop_back(fx_array *array)
 {
 	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ARRAY, array_pop_back, array);
 }
 
-fx_object *fx_array_at(const fx_array *array, size_t at)
+fx_value *fx_array_get_ref(const fx_array *array, size_t at)
 {
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_ARRAY, array_at, array, at);
+	FX_CLASS_DISPATCH_STATIC(FX_TYPE_ARRAY, array_get_ref, array, at);
 }
 
-fx_object *fx_array_get(fx_array *array, size_t at)
+fx_value fx_array_get(const fx_array *array, size_t at)
 {
 	FX_CLASS_DISPATCH_STATIC(FX_TYPE_ARRAY, array_get, array, at);
 }
 
-size_t fx_array_size(const fx_array *array)
+size_t fx_array_get_size(const fx_array *array)
 {
-	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ARRAY, array_size, array);
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ARRAY, array_get_size, array);
 }
 
-size_t fx_array_capacity(const fx_array *array)
+size_t fx_array_get_capacity(const fx_array *array)
 {
-	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ARRAY, array_capacity, array);
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_ARRAY, array_get_capacity, array);
 }
 
 void fx_array_clear(fx_array *array)
@@ -294,12 +293,12 @@ void fx_array_clear(fx_array *array)
 
 /*** PUBLIC ALIAS FUNCTIONS ***************************************************/
 
-fx_status fx_array_append(fx_array *array, fx_object *value)
+fx_status fx_array_push_back(fx_array *array, fx_value value)
 {
 	return fx_array_insert(array, value, FX_NPOS);
 }
 
-fx_status fx_array_prepend(fx_array *array, fx_object *value)
+fx_status fx_array_push_front(fx_array *array, fx_value value)
 {
 	return fx_array_insert(array, value, 0);
 }
@@ -317,7 +316,7 @@ static void array_fini(fx_object *obj, void *priv)
 
 	if (array->ar_data) {
 		for (size_t i = 0; i < array->ar_len; i++) {
-			fx_object_unref(array->ar_data[i]);
+			fx_value_unset(&array->ar_data[i]);
 		}
 
 		free(array->ar_data);
@@ -325,29 +324,34 @@ static void array_fini(fx_object *obj, void *priv)
 	}
 }
 
-static void array_to_string(const fx_object *obj, fx_stream *out)
+static fx_status array_to_string(
+	const fx_value *obj,
+	fx_stream *out,
+	const char *format)
 {
-	struct fx_array_p *array = fx_object_get_private(obj, FX_TYPE_ARRAY);
+	struct fx_array_p *array = fx_object_get_private(
+		obj->v_object,
+		FX_TYPE_ARRAY);
 
 	if (!array->ar_len) {
 		fx_stream_write_cstr(out, "[]", NULL);
-		return;
+		return FX_SUCCESS;
 	}
 
 	fx_stream_write_cstr(out, "[\n", NULL);
 
 	fx_stream_push_indent(out, 1);
-	size_t len = array_size(array);
+	size_t len = array_get_size(array);
 
 	for (size_t i = 0; i < array->ar_len; i++) {
-		fx_object *value = array->ar_data[i];
-		bool is_string = fx_object_is_type(value, FX_TYPE_STRING);
+		fx_value *value = &array->ar_data[i];
+		bool is_string = fx_value_is_type(value, FX_TYPE_STRING);
 
 		if (is_string) {
 			fx_stream_write_char(out, '"');
 		}
 
-		fx_object_to_string(value, out);
+		fx_value_to_string(value, out, NULL);
 
 		if (is_string) {
 			fx_stream_write_char(out, '"');
@@ -362,40 +366,23 @@ static void array_to_string(const fx_object *obj, fx_stream *out)
 
 	fx_stream_pop_indent(out);
 	fx_stream_write_char(out, ']');
+	return FX_SUCCESS;
 }
 
 /*** ITERATOR FUNCTIONS *******************************************************/
 
-static fx_iterator *iterable_begin(fx_object *obj)
+static const fx_iterator *iterable_begin(const fx_object *obj)
 {
 	fx_array_iterator *it_obj = fx_object_create(FX_TYPE_ARRAY_ITERATOR);
-	struct fx_array_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_ARRAY_ITERATOR);
+	struct fx_array_iterator_p *it = fx_object_get_private(
+		it_obj,
+		FX_TYPE_ARRAY_ITERATOR);
 	it->_a = obj;
 	it->_a_p = fx_object_get_private(obj, FX_TYPE_ARRAY);
 	it->i = 0;
 
 	if (it->_a_p->ar_len > 0) {
-		it->value = it->_a_p->ar_data[0];
-	} else {
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-		it->value = NULL;
-	}
-
-	return it_obj;
-}
-
-static const fx_iterator *iterable_cbegin(const fx_object *obj)
-{
-	fx_array_iterator *it_obj = fx_object_create(FX_TYPE_ARRAY_ITERATOR);
-	struct fx_array_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_ARRAY_ITERATOR);
-	it->_a = (fx_array *)obj;
-	it->_a_p = fx_object_get_private(obj, FX_TYPE_ARRAY);
-	it->i = 0;
-
-	if (it->_a_p->ar_len > 0) {
-		it->value = it->_a_p->ar_data[0];
+		it->value = &it->_a_p->ar_data[0];
 	} else {
 		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
 		it->value = NULL;
@@ -406,12 +393,13 @@ static const fx_iterator *iterable_cbegin(const fx_object *obj)
 
 static enum fx_status iterator_move_next(const fx_iterator *obj)
 {
-	struct fx_array_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_ARRAY_ITERATOR);
+	struct fx_array_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_ARRAY_ITERATOR);
 	struct fx_array_p *array = it->_a_p;
 
 	if (it->value == NULL || it->i >= array->ar_len) {
-		return false;
+		return FX_ERR_NO_DATA;
 	}
 
 	it->i++;
@@ -419,7 +407,7 @@ static enum fx_status iterator_move_next(const fx_iterator *obj)
 	if (it->i >= array->ar_len) {
 		it->value = NULL;
 	} else {
-		it->value = array->ar_data[it->i];
+		it->value = &array->ar_data[it->i];
 	}
 
 	return (it->value != NULL) ? FX_SUCCESS : FX_ERR_NO_DATA;
@@ -427,22 +415,19 @@ static enum fx_status iterator_move_next(const fx_iterator *obj)
 
 static enum fx_status iterator_erase(fx_iterator *obj)
 {
-	struct fx_array_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_ARRAY_ITERATOR);
+	struct fx_array_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_ARRAY_ITERATOR);
 	struct fx_array_p *array = it->_a_p;
 
 	if (it->i >= array->ar_len) {
 		return FX_ERR_OUT_OF_BOUNDS;
 	}
 
-	if (array->ar_data[it->i] != it->value) {
-		return FX_ERR_BAD_STATE;
-	}
-
 	array_remove(array, it->i);
 
 	if (it->i < array->ar_len) {
-		it->value = array->ar_data[it->i];
+		it->value = &array->ar_data[it->i];
 	} else {
 		it->value = NULL;
 	}
@@ -450,36 +435,31 @@ static enum fx_status iterator_erase(fx_iterator *obj)
 	return FX_SUCCESS;
 }
 
-static fx_iterator_value iterator_get_value(fx_iterator *obj)
+static const fx_value *iterator_get_value(const fx_iterator *obj)
 {
-	struct fx_array_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_ARRAY_ITERATOR);
+	struct fx_array_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_ARRAY_ITERATOR);
+	struct fx_array_p *array = it->_a_p;
 
-	return FX_ITERATOR_VALUE_PTR(it->value);
-}
+	if (it->i >= array->ar_len) {
+		return NULL;
+	}
 
-static const fx_iterator_value iterator_get_cvalue(const fx_iterator *obj)
-{
-	struct fx_array_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_ARRAY_ITERATOR);
-
-	return FX_ITERATOR_VALUE_CPTR(it->value);
+	return it->value;
 }
 
 static enum fx_status iterator_is_valid(const fx_iterator *obj)
 {
-	struct fx_array_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_ARRAY_ITERATOR);
+	struct fx_array_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_ARRAY_ITERATOR);
 	struct fx_array_p *array = it->_a_p;
 
 	if (it->i >= array->ar_len) {
 		return false;
 	}
 
-	if (array->ar_data[it->i] != it->value) {
-		return false;
-	}
-
 	return (it->value != NULL) ? FX_SUCCESS : FX_ERR_NO_DATA;
 }
 
@@ -493,7 +473,6 @@ FX_TYPE_CLASS_BEGIN(fx_array)
 
 	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
 		FX_INTERFACE_ENTRY(it_begin) = iterable_begin;
-		FX_INTERFACE_ENTRY(it_cbegin) = iterable_cbegin;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
 FX_TYPE_CLASS_END(fx_array)
 
@@ -516,7 +495,6 @@ FX_TYPE_CLASS_BEGIN(fx_array_iterator)
 		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
 		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
 		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
-		FX_INTERFACE_ENTRY(it_get_cvalue) = iterator_get_cvalue;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
 FX_TYPE_CLASS_END(fx_array_iterator)
 

fx.collections/bitmap.c

@@ -1,6 +1,7 @@
 #include <fx/bitop.h>
 #include <fx/collections/bitmap.h>
 #include <fx/stream.h>
+#include <fx/value.h>
 #include <string.h>
 
 #define BITS_PER_WORD       (8 * sizeof(bitmap_word_t))
@@ -306,10 +307,14 @@ static void bitmap_fini(fx_object *obj, void *priv)
 	struct fx_bitmap_p *map = priv;
 }
 
-static void bitmap_to_string(const fx_object *obj, fx_stream *out)
+static fx_status bitmap_to_string(
+	const fx_value *obj,
+	fx_stream *out,
+	const char *format)
 {
-	const struct fx_bitmap_p *map
-		= fx_object_get_private(obj, FX_TYPE_BITMAP);
+	const struct fx_bitmap_p *map = fx_object_get_private(
+		obj->v_object,
+		FX_TYPE_BITMAP);
 
 	unsigned char *bytes = (unsigned char *)map->map_words;
 	size_t nr_bytes = map->map_nr_words * sizeof(bitmap_word_t);
@@ -339,6 +344,8 @@ static void bitmap_to_string(const fx_object *obj, fx_stream *out)
 
 		fx_stream_write_fmt(out, NULL, "%c", (c & mask) ? '1' : '0');
 	}
+
+	return FX_SUCCESS;
 }
 
 /*** CLASS DEFINITION *********************************************************/

fx.collections/dict.c

@@ -1,732 +0,0 @@
-#include <fx/collections/dict.h>
-#include <fx/hash.h>
-#include <fx/status.h>
-#include <fx/stream.h>
-#include <fx/string.h>
-#include <stdbool.h>
-#include <stdlib.h>
-
-/*** PRIVATE DATA *************************************************************/
-
-struct fx_dict_bucket_item {
-	fx_queue_entry bi_entry;
-	fx_string *bi_str;
-	fx_object *bi_value;
-};
-
-struct fx_dict_bucket {
-	fx_bst_node bk_node;
-	uint64_t bk_hash;
-	fx_queue bk_items;
-};
-
-struct fx_dict_p {
-	fx_bst d_buckets;
-};
-
-struct fx_dict_iterator_p {
-	size_t i;
-	fx_dict_item item;
-
-	fx_dict *_d;
-	struct fx_dict_p *_d_p;
-	fx_bst_node *_cbn;
-	fx_queue_entry *_cqe;
-};
-
-/*** MISC FUNCTIONS ***********************************************************/
-
-static FX_BST_DEFINE_SIMPLE_GET(
-	struct fx_dict_bucket,
-	uint64_t,
-	bk_node,
-	bk_hash,
-	get_bucket);
-static FX_BST_DEFINE_SIMPLE_INSERT(
-	struct fx_dict_bucket,
-	bk_node,
-	bk_hash,
-	put_bucket);
-
-/*** PRIVATE FUNCTIONS ********************************************************/
-
-static struct fx_dict_bucket *create_bucket(void)
-{
-	struct fx_dict_bucket *bucket = malloc(sizeof *bucket);
-	if (!bucket) {
-		return NULL;
-	}
-
-	memset(bucket, 0x0, sizeof *bucket);
-	return bucket;
-}
-
-static struct fx_dict_bucket_item *create_bucket_item(void)
-{
-	struct fx_dict_bucket_item *item = malloc(sizeof *item);
-	if (!item) {
-		return NULL;
-	}
-
-	memset(item, 0x0, sizeof *item);
-	return item;
-}
-
-static fx_status dict_put(
-	struct fx_dict_p *dict,
-	const char *key,
-	fx_object *value)
-{
-	uint64_t hash = fx_hash_cstr(key);
-	struct fx_dict_bucket *bucket = get_bucket(&dict->d_buckets, hash);
-	if (!bucket) {
-		bucket = create_bucket();
-		if (!bucket) {
-			return FX_ERR_NO_MEMORY;
-		}
-
-		bucket->bk_hash = hash;
-		put_bucket(&dict->d_buckets, bucket);
-	}
-
-	struct fx_dict_bucket_item *item = create_bucket_item();
-	if (!item) {
-		return FX_ERR_NO_MEMORY;
-	}
-
-	item->bi_str = fx_string_create_from_cstr(key);
-	item->bi_value = fx_object_ref(value);
-
-	fx_queue_push_back(&bucket->bk_items, &item->bi_entry);
-
-	return FX_SUCCESS;
-}
-
-static fx_status dict_put_sk(
-	struct fx_dict_p *dict,
-	const fx_string *key,
-	fx_object *value)
-{
-	uint64_t hash = fx_string_hash(key);
-	struct fx_dict_bucket *bucket = get_bucket(&dict->d_buckets, hash);
-	if (!bucket) {
-		bucket = create_bucket();
-		if (!bucket) {
-			return FX_ERR_NO_MEMORY;
-		}
-
-		bucket->bk_hash = hash;
-		put_bucket(&dict->d_buckets, bucket);
-	}
-
-	struct fx_dict_bucket_item *item = create_bucket_item();
-	if (!item) {
-		return FX_ERR_NO_MEMORY;
-	}
-
-	item->bi_str = fx_string_duplicate(key);
-	item->bi_value = fx_object_ref(value);
-
-	fx_queue_push_back(&bucket->bk_items, &item->bi_entry);
-
-	return FX_SUCCESS;
-}
-
-static fx_object *dict_at(const struct fx_dict_p *dict, const char *key)
-{
-	uint64_t hash = fx_hash_cstr(key);
-	struct fx_dict_bucket *bucket = get_bucket(&dict->d_buckets, hash);
-	if (!bucket) {
-		return NULL;
-	}
-
-	struct fx_queue_entry *entry = fx_queue_first(&bucket->bk_items);
-	while (entry) {
-		struct fx_dict_bucket_item *item
-			= fx_unbox(struct fx_dict_bucket_item, entry, bi_entry);
-
-		if (!strcmp(fx_string_get_cstr(item->bi_str), key)) {
-			return item->bi_value;
-		}
-
-		entry = fx_queue_next(entry);
-	}
-
-	return NULL;
-}
-
-static fx_object *dict_at_sk(const struct fx_dict_p *dict, const fx_string *key)
-{
-	uint64_t hash = fx_string_hash(key);
-	struct fx_dict_bucket *bucket = get_bucket(&dict->d_buckets, hash);
-	if (!bucket) {
-		return NULL;
-	}
-
-	struct fx_queue_entry *entry = fx_queue_first(&bucket->bk_items);
-	while (entry) {
-		struct fx_dict_bucket_item *item
-			= fx_unbox(struct fx_dict_bucket_item, entry, bi_entry);
-
-		if (fx_string_compare(item->bi_str, key)) {
-			return item->bi_value;
-		}
-
-		entry = fx_queue_next(entry);
-	}
-
-	return NULL;
-}
-
-static fx_object *dict_get(struct fx_dict_p *dict, const char *key)
-{
-	fx_object *value = dict_at(dict, key);
-	if (value) {
-		fx_object_ref(value);
-	}
-
-	return value;
-}
-
-static fx_object *dict_get_sk(struct fx_dict_p *dict, const fx_string *key)
-{
-	fx_object *value = dict_at_sk(dict, key);
-	if (value) {
-		fx_object_ref(value);
-	}
-
-	return value;
-}
-
-static bool dict_has_key(const struct fx_dict_p *dict, const char *key)
-{
-	return dict_at(dict, key) != NULL;
-}
-
-static bool dict_has_skey(const struct fx_dict_p *dict, const fx_string *key)
-{
-	return dict_at_sk(dict, key) != NULL;
-}
-
-static size_t dict_get_size(const struct fx_dict_p *dict)
-{
-	size_t count = 0;
-#if 0
-	fx_bst_iterator it1;
-	fx_queue_iterator it2;
-
-	fx_bst_foreach (&it1, &dict->d_buckets) {
-		struct fx_dict_bucket *bucket
-			= fx_unbox(struct fx_dict_bucket, it1.node, bk_node);
-
-		fx_queue_foreach (&it2, &bucket->bk_items) {
-			count++;
-		}
-	}
-#endif
-
-	return count;
-}
-
-static bool dict_is_empty(const struct fx_dict_p *dict)
-{
-	fx_bst_node *first_node = fx_bst_first(&dict->d_buckets);
-	struct fx_dict_bucket *first_bucket
-		= fx_unbox(struct fx_dict_bucket, first_node, bk_node);
-	if (!first_bucket) {
-		return true;
-	}
-
-	fx_queue_entry *first_entry = fx_queue_first(&first_bucket->bk_items);
-	struct fx_dict_bucket_item *first_item
-		= fx_unbox(struct fx_dict_bucket_item, first_entry, bi_entry);
-	if (!first_item) {
-		return true;
-	}
-
-	return false;
-}
-
-static bool get_next_node(
-	struct fx_bst_node *cur_node,
-	struct fx_queue_entry *cur_entry,
-	struct fx_bst_node **out_next_node,
-	struct fx_queue_entry **out_next_entry)
-{
-	struct fx_dict_bucket *cur_bucket
-		= fx_unbox(struct fx_dict_bucket, cur_node, bk_node);
-	if (!cur_bucket) {
-		return false;
-	}
-
-	struct fx_dict_bucket_item *cur_item
-		= fx_unbox(struct fx_dict_bucket_item, cur_entry, bi_entry);
-	if (!cur_item) {
-		return false;
-	}
-
-	struct fx_bst_node *next_node = cur_node;
-	struct fx_queue_entry *next_entry = fx_queue_next(cur_entry);
-	if (!next_entry) {
-		next_node = fx_bst_next(cur_node);
-		if (!next_node) {
-			return false;
-		}
-
-		struct fx_dict_bucket *next_bucket
-			= fx_unbox(struct fx_dict_bucket, next_node, bk_node);
-		if (!next_bucket) {
-			return false;
-		}
-
-		next_entry = fx_queue_first(&next_bucket->bk_items);
-		if (!next_entry) {
-			return false;
-		}
-	}
-
-	struct fx_dict_bucket_item *next_item
-		= fx_unbox(struct fx_dict_bucket_item, next_entry, bi_entry);
-	if (!next_item) {
-		return false;
-	}
-
-	*out_next_node = next_node;
-	*out_next_entry = next_entry;
-
-	return true;
-}
-
-static fx_status delete_item(
-	struct fx_dict_p *dict,
-	struct fx_dict_bucket *bucket,
-	struct fx_dict_bucket_item *item)
-{
-	fx_queue_delete(&bucket->bk_items, &item->bi_entry);
-	free(item);
-
-	if (fx_queue_empty(&bucket->bk_items)) {
-		fx_bst_delete(&dict->d_buckets, &bucket->bk_node);
-		free(bucket);
-	}
-
-	return FX_SUCCESS;
-}
-
-/*** PUBLIC FUNCTIONS *********************************************************/
-
-#if 0
-fx_dict *fx_dict_create_with_items(const fx_dict_item *items)
-{
-	fx_dict *dict = fx_dict_create();
-	if (!dict) {
-		return NULL;
-	}
-
-	struct fx_dict_p *p = fx_object_get_private(dict, FX_TYPE_DICT);
-
-	for (size_t i = 0; items[i].key; i++) {
-		dict_put(p, items[i].key, items[i].value);
-	}
-
-	return dict;
-}
-#endif
-
-fx_status fx_dict_put(fx_dict *dict, const char *key, fx_object *value)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_put, dict, key, value);
-}
-
-fx_status fx_dict_put_sk(fx_dict *dict, const fx_string *key, fx_object *value)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_put_sk, dict, key, value);
-}
-
-fx_object *fx_dict_at(const fx_dict *dict, const char *key)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_at, dict, key);
-}
-
-fx_object *fx_dict_at_sk(const fx_dict *dict, const fx_string *key)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_at_sk, dict, key);
-}
-
-fx_object *fx_dict_get(fx_dict *dict, const char *key)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_get, dict, key);
-}
-
-fx_object *fx_dict_get_sk(fx_dict *dict, const fx_string *key)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_get_sk, dict, key);
-}
-
-bool fx_dict_has_key(const fx_dict *dict, const char *key)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_has_key, dict, key);
-}
-
-bool fx_dict_has_skey(const fx_dict *dict, const fx_string *key)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_DICT, dict_has_skey, dict, key);
-}
-
-size_t fx_dict_get_size(const fx_dict *dict)
-{
-	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_DICT, dict_get_size, dict);
-}
-
-bool fx_dict_is_empty(const fx_dict *dict)
-{
-	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_DICT, dict_is_empty, dict);
-}
-
-/*** PUBLIC ALIAS FUNCTIONS ***************************************************/
-/*** VIRTUAL FUNCTIONS ********************************************************/
-
-static void dict_init(fx_object *obj, void *priv)
-{
-	struct fx_dict_p *dict = priv;
-}
-
-static void dict_fini(fx_object *obj, void *priv)
-{
-	struct fx_dict_p *dict = priv;
-
-	struct fx_bst_node *node = fx_bst_first(&dict->d_buckets);
-	while (node) {
-		struct fx_dict_bucket *bucket
-			= fx_unbox(struct fx_dict_bucket, node, bk_node);
-		struct fx_bst_node *next_node = fx_bst_next(node);
-		fx_bst_delete(&dict->d_buckets, node);
-
-		struct fx_queue_entry *entry
-			= fx_queue_first(&bucket->bk_items);
-		while (entry) {
-			struct fx_dict_bucket_item *item = fx_unbox(
-				struct fx_dict_bucket_item,
-				entry,
-				bi_entry);
-			struct fx_queue_entry *next_entry
-				= fx_queue_next(entry);
-			fx_queue_delete(&bucket->bk_items, entry);
-
-			free(item->bi_str);
-			fx_object_unref(item->bi_value);
-			free(item);
-
-			entry = next_entry;
-		}
-
-		free(bucket);
-		node = next_node;
-	}
-}
-
-static void dict_to_string(const fx_object *obj, fx_stream *out)
-{
-	struct fx_dict_p *dict = fx_object_get_private(obj, FX_TYPE_DICT);
-
-	if (dict_is_empty(dict)) {
-		fx_stream_write_cstr(out, "{}", NULL);
-		return;
-	}
-
-	fx_stream_write_cstr(out, "{\n", NULL);
-
-	fx_stream_push_indent(out, 1);
-	size_t len = dict_get_size(dict);
-	size_t i = 0;
-
-	struct fx_bst_node *node = fx_bst_first(&dict->d_buckets);
-	while (node) {
-		struct fx_dict_bucket *bucket
-			= fx_unbox(struct fx_dict_bucket, node, bk_node);
-
-		struct fx_queue_entry *entry
-			= fx_queue_first(&bucket->bk_items);
-		while (entry) {
-			struct fx_dict_bucket_item *item = fx_unbox(
-				struct fx_dict_bucket_item,
-				entry,
-				bi_entry);
-
-			fx_object_to_string(item->bi_str, out);
-			fx_stream_write_cstr(out, ": ", NULL);
-
-			bool is_string = fx_object_is_type(
-				item->bi_value,
-				FX_TYPE_STRING);
-
-			if (is_string) {
-				fx_stream_write_char(out, '"');
-			}
-
-			fx_object_to_string(item->bi_value, out);
-
-			if (is_string) {
-				fx_stream_write_char(out, '"');
-			}
-
-			if (i < len - 1) {
-				fx_stream_write_cstr(out, ",", NULL);
-			}
-
-			fx_stream_write_char(out, '\n');
-			entry = fx_queue_next(entry);
-			i++;
-		}
-		node = fx_bst_next(node);
-	}
-
-	fx_stream_pop_indent(out);
-	fx_stream_write_char(out, '}');
-}
-
-/*** ITERATOR FUNCTIONS *******************************************************/
-
-static fx_iterator *iterable_begin(fx_dict *dict)
-{
-	fx_iterator *it_obj = fx_object_create(FX_TYPE_DICT_ITERATOR);
-	if (!it_obj) {
-		return NULL;
-	}
-
-	struct fx_dict_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_DICT_ITERATOR);
-
-	it->i = 0;
-	it->_d = dict;
-	it->_d_p = fx_object_get_private(dict, FX_TYPE_DICT);
-
-	if (dict_is_empty(it->_d_p)) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-		return it_obj;
-	}
-
-	fx_bst_node *first_node = fx_bst_first(&it->_d_p->d_buckets);
-	struct fx_dict_bucket *first_bucket
-		= fx_unbox(struct fx_dict_bucket, first_node, bk_node);
-	if (!first_bucket) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-		return it_obj;
-	}
-
-	fx_queue_entry *first_entry = fx_queue_first(&first_bucket->bk_items);
-	struct fx_dict_bucket_item *first_item
-		= fx_unbox(struct fx_dict_bucket_item, first_entry, bi_entry);
-	if (!first_item) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-		return it_obj;
-	}
-
-	it->item.key = first_item->bi_str;
-	it->item.value = first_item->bi_value;
-
-	it->_d = dict;
-	it->_cbn = first_node;
-	it->_cqe = first_entry;
-
-	return it_obj;
-}
-
-static const fx_iterator *iterable_cbegin(const fx_dict *dict)
-{
-	fx_iterator *it_obj = fx_object_create(FX_TYPE_DICT_ITERATOR);
-	if (!it_obj) {
-		return NULL;
-	}
-
-	struct fx_dict_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_DICT_ITERATOR);
-
-	it->i = 0;
-	it->_d = (fx_dict *)dict;
-	it->_d_p = fx_object_get_private(dict, FX_TYPE_DICT);
-
-	if (dict_is_empty(it->_d_p)) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-		return it_obj;
-	}
-
-	fx_bst_node *first_node = fx_bst_first(&it->_d_p->d_buckets);
-	struct fx_dict_bucket *first_bucket
-		= fx_unbox(struct fx_dict_bucket, first_node, bk_node);
-	if (!first_bucket) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-		return it_obj;
-	}
-
-	fx_queue_entry *first_entry = fx_queue_first(&first_bucket->bk_items);
-	struct fx_dict_bucket_item *first_item
-		= fx_unbox(struct fx_dict_bucket_item, first_entry, bi_entry);
-	if (!first_item) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-		return it_obj;
-	}
-
-	it->item.key = first_item->bi_str;
-	it->item.value = first_item->bi_value;
-
-	it->_cbn = first_node;
-	it->_cqe = first_entry;
-
-	return it_obj;
-}
-
-static enum fx_status iterator_move_next(const fx_iterator *obj)
-{
-	struct fx_dict_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_DICT_ITERATOR);
-
-	struct fx_bst_node *next_node;
-	struct fx_queue_entry *next_entry;
-	if (!get_next_node(it->_cbn, it->_cqe, &next_node, &next_entry)) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		return FX_ERR_NO_DATA;
-	}
-
-	struct fx_dict_bucket_item *next_item
-		= fx_unbox(struct fx_dict_bucket_item, next_entry, bi_entry);
-
-	if (!next_item) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		return FX_ERR_NO_DATA;
-	}
-
-	it->i++;
-	it->item.key = next_item->bi_str;
-	it->item.value = next_item->bi_value;
-
-	it->_cbn = next_node;
-	it->_cqe = next_entry;
-
-	return FX_SUCCESS;
-}
-
-static enum fx_status iterator_erase(fx_iterator *obj)
-{
-	struct fx_dict_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_DICT_ITERATOR);
-
-	if ((it->item.key || it->item.value) && !(it->_cbn && it->_cqe)) {
-		return FX_ERR_BAD_STATE;
-	}
-
-	if (!it->item.key || !it->_cqe) {
-		return FX_ERR_NO_DATA;
-	}
-
-	struct fx_bst_node *next_node;
-	struct fx_queue_entry *next_entry;
-	if (!get_next_node(it->_cbn, it->_cqe, &next_node, &next_entry)) {
-		it->item.key = NULL;
-		it->item.value = NULL;
-		return FX_ERR_NO_DATA;
-	}
-
-	struct fx_dict_bucket *cur_bucket
-		= fx_unbox(struct fx_dict_bucket, it->_cbn, bk_node);
-	struct fx_dict_bucket_item *cur_item
-		= fx_unbox(struct fx_dict_bucket_item, it->_cqe, bi_entry);
-
-	struct fx_dict_bucket_item *next_item
-		= fx_unbox(struct fx_dict_bucket_item, next_entry, bi_entry);
-
-	fx_status status = delete_item(it->_d_p, cur_bucket, cur_item);
-	if (FX_ERR(status)) {
-		return status;
-	}
-
-	if (next_item) {
-		it->item.key = next_item->bi_str;
-		it->item.value = next_item->bi_value;
-
-		it->_cbn = next_node;
-		it->_cqe = next_entry;
-	} else {
-		it->item.key = NULL;
-		it->item.value = NULL;
-
-		it->_cbn = NULL;
-		it->_cqe = NULL;
-	}
-
-	return FX_SUCCESS;
-}
-
-static fx_iterator_value iterator_get_value(fx_iterator *obj)
-{
-	struct fx_dict_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_DICT_ITERATOR);
-
-	return FX_ITERATOR_VALUE_PTR(&it->item);
-}
-
-static const fx_iterator_value iterator_get_cvalue(const fx_iterator *obj)
-{
-	struct fx_dict_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_DICT_ITERATOR);
-
-	return FX_ITERATOR_VALUE_CPTR(&it->item);
-}
-
-/*** CLASS DEFINITION *********************************************************/
-
-// ---- fx_dict DEFINITION
-FX_TYPE_CLASS_BEGIN(fx_dict)
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
-		FX_INTERFACE_ENTRY(to_string) = dict_to_string;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
-
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
-		FX_INTERFACE_ENTRY(it_begin) = iterable_begin;
-		FX_INTERFACE_ENTRY(it_cbegin) = iterable_cbegin;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
-FX_TYPE_CLASS_END(fx_dict)
-
-FX_TYPE_DEFINITION_BEGIN(fx_dict)
-	FX_TYPE_ID(0xd2af61d9, 0xd0be, 0x4960, 0xbe3f, 0x509749814c10);
-	FX_TYPE_CLASS(fx_dict_class);
-	FX_TYPE_IMPLEMENTS(FX_TYPE_ITERABLE);
-	FX_TYPE_INSTANCE_PRIVATE(struct fx_dict_p);
-	FX_TYPE_INSTANCE_INIT(dict_init);
-	FX_TYPE_INSTANCE_FINI(dict_fini);
-FX_TYPE_DEFINITION_END(fx_dict)
-
-// ---- fx_dict_iterator DEFINITION
-FX_TYPE_CLASS_BEGIN(fx_dict_iterator)
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
-		FX_INTERFACE_ENTRY(to_string) = NULL;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
-
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
-		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
-		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
-		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
-		FX_INTERFACE_ENTRY(it_get_cvalue) = iterator_get_cvalue;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
-FX_TYPE_CLASS_END(fx_dict_iterator)
-
-FX_TYPE_DEFINITION_BEGIN(fx_dict_iterator)
-	FX_TYPE_ID(0x9ea96701, 0x1713, 0x4a3e, 0xbf63, 0xdc856b456f3b);
-	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
-	FX_TYPE_CLASS(fx_dict_iterator_class);
-	FX_TYPE_INSTANCE_PRIVATE(struct fx_dict_iterator_p);
-FX_TYPE_DEFINITION_END(fx_dict_iterator)

fx.collections/hashmap.c

@@ -32,8 +32,9 @@ struct fx_hashmap_p {
 struct fx_hashmap_iterator_p {
 	size_t i;
 	fx_hashmap_item item;
+	fx_value item_value;
 
-	fx_hashmap *_h;
+	const fx_hashmap *_h;
 	struct fx_hashmap_p *_h_p;
 	fx_bst_node *_cbn;
 	fx_queue_entry *_cqe;
@@ -112,14 +113,18 @@ static bool get_next_node(
 	struct fx_bst_node **out_next_node,
 	struct fx_queue_entry **out_next_entry)
 {
-	struct fx_hashmap_bucket *cur_bucket
-		= fx_unbox(struct fx_hashmap_bucket, cur_node, bk_node);
+	struct fx_hashmap_bucket *cur_bucket = fx_unbox(
+		struct fx_hashmap_bucket,
+		cur_node,
+		bk_node);
 	if (!cur_bucket) {
 		return false;
 	}
 
-	struct fx_hashmap_bucket_item *cur_item
-		= fx_unbox(struct fx_hashmap_bucket_item, cur_entry, bi_entry);
+	struct fx_hashmap_bucket_item *cur_item = fx_unbox(
+		struct fx_hashmap_bucket_item,
+		cur_entry,
+		bi_entry);
 	if (!cur_item) {
 		return false;
 	}
@@ -146,8 +151,10 @@ static bool get_next_node(
 		}
 	}
 
-	struct fx_hashmap_bucket_item *next_item
-		= fx_unbox(struct fx_hashmap_bucket_item, next_entry, bi_entry);
+	struct fx_hashmap_bucket_item *next_item = fx_unbox(
+		struct fx_hashmap_bucket_item,
+		next_entry,
+		bi_entry);
 	if (!next_item) {
 		return false;
 	}
@@ -186,8 +193,9 @@ static fx_status hashmap_put(
 	const fx_hashmap_value *value)
 {
 	uint64_t hash = hash_key(key);
-	struct fx_hashmap_bucket *bucket
-		= get_bucket(&hashmap->h_buckets, hash);
+	struct fx_hashmap_bucket *bucket = get_bucket(
+		&hashmap->h_buckets,
+		hash);
 
 	if (!bucket) {
 		bucket = create_bucket();
@@ -234,8 +242,9 @@ static const struct fx_hashmap_value *hashmap_get(
 {
 	uint64_t hash = hash_key(key);
 
-	struct fx_hashmap_bucket *bucket
-		= get_bucket(&hashmap->h_buckets, hash);
+	struct fx_hashmap_bucket *bucket = get_bucket(
+		&hashmap->h_buckets,
+		hash);
 	if (!bucket) {
 		return NULL;
 	}
@@ -262,8 +271,9 @@ static bool hashmap_has_key(
 	const fx_hashmap_key *key)
 {
 	uint64_t hash = hash_key(key);
-	struct fx_hashmap_bucket *bucket
-		= get_bucket(&hashmap->h_buckets, hash);
+	struct fx_hashmap_bucket *bucket = get_bucket(
+		&hashmap->h_buckets,
+		hash);
 	if (!bucket) {
 		return false;
 	}
@@ -293,8 +303,10 @@ static size_t hashmap_get_size(const struct fx_hashmap_p *hashmap)
 static bool hashmap_is_empty(const struct fx_hashmap_p *hashmap)
 {
 	fx_bst_node *first_node = fx_bst_first(&hashmap->h_buckets);
-	struct fx_hashmap_bucket *first_bucket
-		= fx_unbox(struct fx_hashmap_bucket, first_node, bk_node);
+	struct fx_hashmap_bucket *first_bucket = fx_unbox(
+		struct fx_hashmap_bucket,
+		first_node,
+		bk_node);
 	if (!first_bucket) {
 		return true;
 	}
@@ -358,8 +370,9 @@ fx_hashmap *fx_hashmap_create_with_items(const fx_hashmap_item *items)
 		return NULL;
 	}
 
-	struct fx_hashmap_p *p
-		= fx_object_get_private(hashmap, FX_TYPE_HASHMAP);
+	struct fx_hashmap_p *p = fx_object_get_private(
+		hashmap,
+		FX_TYPE_HASHMAP);
 
 	for (size_t i = 0; items[i].key.key_data && items[i].key.key_size;
 	     i++) {
@@ -408,12 +421,13 @@ bool fx_hashmap_is_empty(const fx_hashmap *hashmap)
 	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_HASHMAP, hashmap_is_empty, hashmap);
 }
 
-fx_iterator *fx_hashmap_begin(fx_hashmap *hashmap)
+const fx_iterator *fx_hashmap_begin(const fx_hashmap *hashmap)
 {
-	fx_hashmap_iterator *it_obj
-		= fx_object_create(FX_TYPE_HASHMAP_ITERATOR);
-	struct fx_hashmap_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_HASHMAP_ITERATOR);
+	fx_hashmap_iterator *it_obj = fx_object_create(
+		FX_TYPE_HASHMAP_ITERATOR);
+	struct fx_hashmap_iterator_p *it = fx_object_get_private(
+		it_obj,
+		FX_TYPE_HASHMAP_ITERATOR);
 
 	it->_h = hashmap;
 	it->_h_p = fx_object_get_private(hashmap, FX_TYPE_HASHMAP);
@@ -426,16 +440,18 @@ fx_iterator *fx_hashmap_begin(fx_hashmap *hashmap)
 	}
 
 	struct fx_bst_node *first_node = fx_bst_first(&it->_h_p->h_buckets);
-	struct fx_hashmap_bucket *first_bucket
-		= fx_unbox(struct fx_hashmap_bucket, first_node, bk_node);
+	struct fx_hashmap_bucket *first_bucket = fx_unbox(
+		struct fx_hashmap_bucket,
+		first_node,
+		bk_node);
 	if (!first_bucket) {
 		memset(&it->item, 0x0, sizeof it->item);
 		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
 		return it_obj;
 	}
 
-	struct fx_queue_entry *first_entry
-		= fx_queue_first(&first_bucket->bk_items);
+	struct fx_queue_entry *first_entry = fx_queue_first(
+		&first_bucket->bk_items);
 	struct fx_hashmap_bucket_item *first_item = fx_unbox(
 		struct fx_hashmap_bucket_item,
 		first_entry,
@@ -473,8 +489,10 @@ static void hashmap_fini(fx_object *obj, void *priv)
 
 	struct fx_bst_node *node = fx_bst_first(&map->h_buckets);
 	while (node) {
-		struct fx_hashmap_bucket *b
-			= fx_unbox(struct fx_hashmap_bucket, node, bk_node);
+		struct fx_hashmap_bucket *b = fx_unbox(
+			struct fx_hashmap_bucket,
+			node,
+			bk_node);
 		struct fx_bst_node *next_node = fx_bst_next(node);
 		fx_bst_delete(&map->h_buckets, node);
 
@@ -484,8 +502,8 @@ static void hashmap_fini(fx_object *obj, void *priv)
 				struct fx_hashmap_bucket_item,
 				entry,
 				bi_entry);
-			struct fx_queue_entry *next_entry
-				= fx_queue_next(entry);
+			struct fx_queue_entry *next_entry = fx_queue_next(
+				entry);
 			fx_queue_delete(&b->bk_items, entry);
 
 			if (map->h_key_dtor) {
@@ -510,8 +528,9 @@ static void hashmap_fini(fx_object *obj, void *priv)
 
 static enum fx_status iterator_move_next(const fx_iterator *obj)
 {
-	struct fx_hashmap_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_HASHMAP_ITERATOR);
+	struct fx_hashmap_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_HASHMAP_ITERATOR);
 
 	struct fx_bst_node *next_node;
 	struct fx_queue_entry *next_entry;
@@ -520,8 +539,10 @@ static enum fx_status iterator_move_next(const fx_iterator *obj)
 		return FX_ERR_NO_DATA;
 	}
 
-	struct fx_hashmap_bucket_item *next_item
-		= fx_unbox(struct fx_hashmap_bucket_item, next_entry, bi_entry);
+	struct fx_hashmap_bucket_item *next_item = fx_unbox(
+		struct fx_hashmap_bucket_item,
+		next_entry,
+		bi_entry);
 
 	if (!next_item) {
 		memset(&it->item, 0x0, sizeof it->item);
@@ -540,8 +561,9 @@ static enum fx_status iterator_move_next(const fx_iterator *obj)
 
 static enum fx_status iterator_erase(fx_iterator *obj)
 {
-	struct fx_hashmap_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_HASHMAP_ITERATOR);
+	struct fx_hashmap_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_HASHMAP_ITERATOR);
 
 	if ((it->item.key.key_data || it->item.value.value_data)
 	    && !(it->_cbn && it->_cqe)) {
@@ -559,13 +581,19 @@ static enum fx_status iterator_erase(fx_iterator *obj)
 		return FX_ERR_NO_DATA;
 	}
 
-	struct fx_hashmap_bucket *cur_bucket
-		= fx_unbox(struct fx_hashmap_bucket, it->_cbn, bk_node);
-	struct fx_hashmap_bucket_item *cur_item
-		= fx_unbox(struct fx_hashmap_bucket_item, it->_cqe, bi_entry);
+	struct fx_hashmap_bucket *cur_bucket = fx_unbox(
+		struct fx_hashmap_bucket,
+		it->_cbn,
+		bk_node);
+	struct fx_hashmap_bucket_item *cur_item = fx_unbox(
+		struct fx_hashmap_bucket_item,
+		it->_cqe,
+		bi_entry);
 
-	struct fx_hashmap_bucket_item *next_item
-		= fx_unbox(struct fx_hashmap_bucket_item, next_entry, bi_entry);
+	struct fx_hashmap_bucket_item *next_item = fx_unbox(
+		struct fx_hashmap_bucket_item,
+		next_entry,
+		bi_entry);
 
 	fx_status status = delete_item(it->_h_p, cur_bucket, cur_item);
 	if (FX_ERR(status)) {
@@ -590,18 +618,13 @@ static enum fx_status iterator_erase(fx_iterator *obj)
 	return FX_SUCCESS;
 }
 
-static fx_iterator_value iterator_get_value(fx_iterator *obj)
+static const fx_value *iterator_get_value(const fx_iterator *obj)
 {
-	struct fx_hashmap_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_HASHMAP_ITERATOR);
-	return FX_ITERATOR_VALUE_PTR(&it->item);
-}
-
-static const fx_iterator_value iterator_get_cvalue(const fx_iterator *obj)
-{
-	const struct fx_hashmap_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_HASHMAP_ITERATOR);
-	return FX_ITERATOR_VALUE_CPTR(&it->item);
+	struct fx_hashmap_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_HASHMAP_ITERATOR);
+	it->item_value = FX_POINTER(&it->item);
+	return &it->item_value;
 }
 
 /*** CLASS DEFINITION *********************************************************/
@@ -614,7 +637,6 @@ FX_TYPE_CLASS_BEGIN(fx_hashmap)
 
 	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
 		FX_INTERFACE_ENTRY(it_begin) = fx_hashmap_begin;
-		FX_INTERFACE_ENTRY(it_cbegin) = fx_hashmap_cbegin;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
 FX_TYPE_CLASS_END(fx_hashmap)
 
@@ -637,7 +659,6 @@ FX_TYPE_CLASS_BEGIN(fx_hashmap_iterator)
 		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
 		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
 		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
-		FX_INTERFACE_ENTRY(it_get_cvalue) = iterator_get_cvalue;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
 FX_TYPE_CLASS_END(fx_hashmap_iterator)
 

fx.collections/hashtable.c

@@ -0,0 +1,765 @@
+#include <assert.h>
+#include <fx/collections/hashtable.h>
+#include <fx/misc.h>
+#include <fx/reflection/property.h>
+#include <fx/status.h>
+#include <fx/string.h>
+#include <fx/vector.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+/*** PRIVATE DATA *************************************************************/
+
+/* these primes are used as array capacities to avoid hash collisions. */
+static const size_t primes[] = {
+	11,
+	23,
+	47,
+	97,
+	197,
+	397,
+	797,
+	1597,
+	3203,
+	6421,
+	12853,
+	25717,
+	51437,
+};
+
+struct table_item {
+	fx_hashtable_item *i_item;
+};
+
+struct fx_hashtable_item_p {
+	fx_hashtable_item *i_self;
+	fx_value i_key, i_value;
+};
+
+struct fx_hashtable_p {
+	struct table_item *t_items;
+	/* number of items currently stored in t_items */
+	size_t t_count;
+	/* index in primes[] that represents the current maximum size of
+	 * t_items */
+	size_t t_max_index;
+};
+
+struct fx_hashtable_iterator_p {
+	size_t i;
+	fx_hashtable_item *item;
+	fx_value item_value;
+
+	const fx_hashtable *_h;
+	struct fx_hashtable_p *_h_p;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static fx_status convert_key_to_index(
+	const fx_value *v,
+	struct table_item *table,
+	size_t table_size,
+	size_t *out_index)
+{
+	uint64_t hash = 0;
+	fx_status status = fx_value_hash(v, &hash);
+	if (!FX_OK(status)) {
+		return status;
+	}
+
+	size_t base_index = hash % table_size;
+	size_t index = base_index, i = 0;
+	bool index_found = false;
+	while (i <= table_size) {
+		if (!table[index].i_item) {
+			goto skip;
+		}
+
+		const struct fx_hashtable_item_p *item = fx_object_get_private(
+			table[index].i_item,
+			FX_TYPE_HASHTABLE_ITEM);
+		int cmp = fx_value_compare(&item->i_key, v);
+		if (cmp == 0) {
+			index_found = true;
+			break;
+		}
+
+	skip:
+		index = (base_index + (i * i)) % table_size;
+		i++;
+	}
+
+	if (!index_found) {
+		return FX_ERR_NO_ENTRY;
+	}
+
+	assert(index < table_size);
+	*out_index = index;
+	return FX_SUCCESS;
+}
+
+static fx_status allocate_index_for_key(
+	const fx_value *v,
+	struct table_item *table,
+	size_t table_size,
+	size_t *out_index)
+{
+	uint64_t hash = 0;
+	fx_status status = fx_value_hash(v, &hash);
+	if (!FX_OK(status)) {
+		return status;
+	}
+
+	size_t index = hash % table_size;
+	bool ok = false;
+
+	for (size_t i = 0; i < table_size; i++) {
+		if (!table[index].i_item) {
+			ok = true;
+			break;
+		}
+
+		const struct fx_hashtable_item_p *item = fx_object_get_private(
+			table[index].i_item,
+			FX_TYPE_HASHTABLE_ITEM);
+		int cmp = fx_value_compare(&item->i_key, v);
+		if (cmp == 0) {
+			ok = true;
+			break;
+		}
+
+		index = (index + (i * i)) % table_size;
+		i++;
+	}
+
+	if (!ok) {
+		return FX_ERR_NO_SPACE;
+	}
+
+	assert(index < table_size);
+	*out_index = index;
+	return FX_SUCCESS;
+}
+
+static fx_status add_item_to_table(
+	fx_hashtable_item *item,
+	struct table_item *table,
+	size_t table_capacity)
+{
+	size_t index = 0;
+	struct fx_hashtable_item_p *item_p
+		= fx_object_get_private(item, FX_TYPE_HASHTABLE_ITEM);
+	fx_status status = allocate_index_for_key(
+		&item_p->i_key,
+		table,
+		table_capacity,
+		&index);
+	if (!FX_OK(status)) {
+		return status;
+	}
+
+	if (index >= table_capacity) {
+		return FX_ERR_NO_SPACE;
+	}
+
+	struct table_item *bucket = &table[index];
+	if (bucket->i_item) {
+		fx_hashtable_item_unref(bucket->i_item);
+	}
+
+	bucket->i_item = item;
+
+	return FX_SUCCESS;
+}
+
+static fx_status destroy_table(
+	struct table_item *table,
+	size_t length,
+	bool destroy_items)
+{
+	if (!destroy_items) {
+		free(table);
+		return FX_SUCCESS;
+	}
+
+	for (size_t i = 0; i < length; i++) {
+		struct table_item *item = &table[i];
+		if (!item->i_item) {
+			continue;
+		}
+
+		fx_hashtable_item_unref(item->i_item);
+	}
+
+	free(table);
+	return FX_SUCCESS;
+}
+
+static fx_status migrate_table(
+	struct table_item *src_table,
+	size_t src_length,
+	struct table_item *dest_table,
+	size_t dest_capacity)
+{
+	for (size_t i = 0; i < src_length; i++) {
+		struct table_item *item = &src_table[i];
+		if (!item->i_item) {
+			continue;
+		}
+
+		add_item_to_table(item->i_item, dest_table, dest_capacity);
+	}
+
+	return FX_SUCCESS;
+}
+
+static fx_status resize_table(
+	struct fx_hashtable_p *hashtable,
+	size_t new_capacity_index)
+{
+	size_t capacity = primes[new_capacity_index];
+	struct table_item *new_table = calloc(capacity, sizeof *new_table);
+	if (!new_table) {
+		return FX_ERR_NO_MEMORY;
+	}
+
+	fx_status status = migrate_table(
+		hashtable->t_items,
+		primes[hashtable->t_max_index],
+		new_table,
+		capacity);
+	if (!FX_OK(status)) {
+		free(new_table);
+		return status;
+	}
+
+	free(hashtable->t_items);
+	hashtable->t_items = new_table;
+	hashtable->t_max_index = new_capacity_index;
+	return FX_SUCCESS;
+}
+
+static fx_status hashtable_put(
+	struct fx_hashtable_p *hashtable,
+	fx_value *key,
+	fx_value *value)
+{
+	fx_status status = FX_SUCCESS;
+	size_t capacity = primes[hashtable->t_max_index];
+	if (hashtable->t_count + 1 > capacity) {
+		status = resize_table(hashtable, hashtable->t_max_index + 1);
+		if (!FX_OK(status)) {
+			return status;
+		}
+
+		capacity = primes[hashtable->t_max_index];
+	}
+
+	size_t index = 0;
+	do {
+		status = allocate_index_for_key(
+			key,
+			hashtable->t_items,
+			capacity,
+			&index);
+		if (status == FX_ERR_NO_SPACE) {
+			status = resize_table(
+				hashtable,
+				hashtable->t_max_index + 1);
+			if (!FX_OK(status)) {
+				return status;
+			}
+
+			capacity = primes[hashtable->t_max_index];
+			continue;
+		}
+
+		if (!FX_OK(status)) {
+			return status;
+		}
+
+		break;
+	} while (1);
+
+	fx_hashtable_item *item = hashtable->t_items[index].i_item;
+	struct fx_hashtable_item_p *item_p = NULL;
+	if (!item) {
+		item = fx_object_create(FX_TYPE_HASHTABLE_ITEM);
+		if (!item) {
+			return FX_ERR_NO_MEMORY;
+		}
+
+		item_p = fx_object_get_private(item, FX_TYPE_HASHTABLE_ITEM);
+
+		fx_value_copy(&item_p->i_key, key);
+
+		hashtable->t_items[index].i_item = item;
+		hashtable->t_count++;
+	} else {
+		item_p = fx_object_get_private(item, FX_TYPE_HASHTABLE_ITEM);
+		fx_value_unset(&item_p->i_value);
+	}
+
+	fx_value_copy(&item_p->i_value, value);
+
+	return FX_SUCCESS;
+}
+
+static const fx_value *hashtable_get(
+	const struct fx_hashtable_p *hashtable,
+	const fx_value *key)
+{
+	size_t index = 0;
+	size_t capacity = primes[hashtable->t_max_index];
+	fx_status status = convert_key_to_index(
+		key,
+		hashtable->t_items,
+		capacity,
+		&index);
+	if (!FX_OK(status)) {
+		return NULL;
+	}
+
+	const fx_hashtable_item *item = hashtable->t_items[index].i_item;
+	if (!item) {
+		return NULL;
+	}
+
+	const struct fx_hashtable_item_p *item_p
+		= fx_object_get_private(item, FX_TYPE_HASHTABLE_ITEM);
+	return &item_p->i_value;
+}
+
+static size_t hashtable_get_count(const struct fx_hashtable_p *hashtable)
+{
+	return hashtable->t_count;
+}
+
+static bool hashtable_is_empty(const struct fx_hashtable_p *hashtable)
+{
+	return hashtable->t_count == 0;
+}
+
+static const fx_value *hashtable_item_get_key(
+	const struct fx_hashtable_item_p *item)
+{
+	return &item->i_key;
+}
+
+static const fx_value *hashtable_item_get_value(
+	const struct fx_hashtable_item_p *item)
+{
+	return &item->i_value;
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_status fx_hashtable_put(
+	fx_hashtable *hashtable,
+	fx_value *key,
+	fx_value *value)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_HASHTABLE,
+		hashtable_put,
+		hashtable,
+		key,
+		value);
+}
+
+const fx_value *fx_hashtable_get(
+	const fx_hashtable *hashtable,
+	const fx_value *key)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_HASHTABLE,
+		hashtable_get,
+		hashtable,
+		key);
+}
+
+size_t fx_hashtable_get_count(const fx_hashtable *hashtable)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_TYPE_HASHTABLE,
+		hashtable_get_count,
+		hashtable);
+}
+
+bool fx_hashtable_is_empty(const fx_hashtable *hashtable)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_TYPE_HASHTABLE,
+		hashtable_is_empty,
+		hashtable);
+}
+
+const fx_value *fx_hashtable_item_get_key(const fx_hashtable_item *item)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_TYPE_HASHTABLE_ITEM,
+		hashtable_item_get_key,
+		item);
+}
+
+const fx_value *fx_hashtable_item_get_value(const fx_hashtable_item *item)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_TYPE_HASHTABLE_ITEM,
+		hashtable_item_get_value,
+		item);
+}
+
+const fx_iterator *fx_hashtable_begin(const fx_hashtable *hashtable)
+{
+	fx_hashtable_iterator *it_obj
+		= fx_object_create(FX_TYPE_HASHTABLE_ITERATOR);
+	struct fx_hashtable_iterator_p *it
+		= fx_object_get_private(it_obj, FX_TYPE_HASHTABLE_ITERATOR);
+
+	it->_h = hashtable;
+	it->_h_p = fx_object_get_private(hashtable, FX_TYPE_HASHTABLE);
+
+	it->i = 0;
+	if (fx_hashtable_is_empty(hashtable)) {
+		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
+		return it_obj;
+	}
+
+	struct table_item *table = it->_h_p->t_items;
+	size_t capacity = primes[it->_h_p->t_max_index];
+
+	while (it->i < capacity && table[it->i].i_item == NULL) {
+		it->i++;
+	}
+
+	it->item_value = FX_VALUE_OBJECT_REF(table[it->i].i_item);
+	return it_obj;
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void hashtable_init(fx_object *obj, void *priv)
+{
+	struct fx_hashtable_p *map = priv;
+	map->t_max_index = 0;
+	map->t_count = 0;
+
+	size_t capacity = primes[map->t_max_index];
+	map->t_items = calloc(capacity, sizeof *map->t_items);
+}
+
+static void hashtable_fini(fx_object *obj, void *priv)
+{
+	struct fx_hashtable_p *map = priv;
+
+	size_t capacity = primes[map->t_max_index];
+	size_t nr_destroyed = 0;
+	for (size_t i = 0; i < capacity; i++) {
+		if (map->t_items[i].i_item) {
+			nr_destroyed++;
+			fx_hashtable_item_unref(map->t_items[i].i_item);
+		}
+	}
+
+	free(map->t_items);
+}
+
+static void hashtable_item_fini(fx_object *obj, void *priv)
+{
+	struct fx_hashtable_item_p *item = priv;
+	fx_value_unset(&item->i_key);
+	fx_value_unset(&item->i_value);
+}
+
+static void hashtable_iterator_fini(fx_object *obj, void *priv)
+{
+	struct fx_hashtable_iterator_p *it = priv;
+	fx_value_unset(&it->item_value);
+}
+
+static fx_status to_string(
+	const fx_value *obj,
+	fx_stream *out,
+	const char *format)
+{
+	struct fx_hashtable_p *hashtable
+		= fx_object_get_private(obj->v_object, FX_TYPE_HASHTABLE);
+
+	if (!hashtable->t_count) {
+		fx_stream_write_cstr(out, "{}", NULL);
+		return FX_SUCCESS;
+	}
+
+	fx_stream_write_cstr(out, "{\n", NULL);
+
+	fx_stream_push_indent(out, 1);
+
+	size_t nr_written = 0;
+	size_t capacity = primes[hashtable->t_max_index];
+	for (size_t i = 0; i < capacity; i++) {
+		fx_hashtable_item *item = hashtable->t_items[i].i_item;
+		if (!item) {
+			continue;
+		}
+
+		nr_written++;
+		struct fx_hashtable_item_p *item_p
+			= fx_object_get_private(item, FX_TYPE_HASHTABLE_ITEM);
+
+		const char *cstr = NULL;
+		fx_value_get_cstr(&item_p->i_key, &cstr);
+
+		if (cstr) {
+			fx_stream_write_char(out, '"');
+		}
+
+		fx_value_to_string(&item_p->i_key, out, NULL);
+
+		if (cstr) {
+			fx_stream_write_char(out, '"');
+		}
+
+		fx_stream_write_cstr(out, " = ", NULL);
+
+		fx_value_get_cstr(&item_p->i_value, &cstr);
+		if (cstr) {
+			fx_stream_write_char(out, '"');
+		}
+
+		fx_value_to_string(&item_p->i_value, out, NULL);
+
+		if (cstr) {
+			fx_stream_write_char(out, '"');
+		}
+
+		if (nr_written != hashtable->t_count) {
+			fx_stream_write_char(out, ',');
+		}
+
+		fx_stream_write_char(out, '\n');
+	}
+
+	fx_stream_pop_indent(out);
+	fx_stream_write_char(out, '}');
+	return FX_SUCCESS;
+}
+
+static fx_status clone(const fx_value *src_v, fx_value *dest_v)
+{
+	fx_hashtable *src_table = NULL, *dest_table = NULL;
+	fx_value_get_object(src_v, &src_table);
+
+	dest_table = fx_hashtable_create();
+	if (!dest_table) {
+		return FX_ERR_NO_MEMORY;
+	}
+
+	struct fx_hashtable_p *src_p
+		= fx_object_get_private(src_table, FX_TYPE_HASHTABLE);
+	struct fx_hashtable_p *dest_p
+		= fx_object_get_private(dest_table, FX_TYPE_HASHTABLE);
+	dest_p->t_count = src_p->t_count;
+	dest_p->t_max_index = src_p->t_max_index;
+	size_t capacity = primes[dest_p->t_max_index];
+	dest_p->t_items = calloc(capacity, sizeof *dest_p->t_items);
+	if (!dest_p->t_items) {
+		fx_hashtable_unref(dest_table);
+		return FX_ERR_NO_MEMORY;
+	}
+
+	for (size_t i = 0; i < capacity; i++) {
+		if (!src_p->t_items[i].i_item) {
+			continue;
+		}
+
+		fx_hashtable *new_item
+			= fx_object_create(FX_TYPE_HASHTABLE_ITEM);
+		if (!new_item) {
+			fx_hashtable_unref(dest_table);
+			return FX_ERR_NO_MEMORY;
+		}
+
+		struct fx_hashtable_item_p *src_item_p = fx_object_get_private(
+			src_p->t_items[i].i_item,
+			FX_TYPE_HASHTABLE_ITEM);
+		struct fx_hashtable_item_p *new_item_p = fx_object_get_private(
+			new_item,
+			FX_TYPE_HASHTABLE_ITEM);
+		new_item_p->i_key = fx_value_copy_return(src_item_p->i_key);
+		new_item_p->i_value = fx_value_copy_return(src_item_p->i_value);
+		dest_p->t_items[i].i_item = new_item;
+	}
+
+	*dest_v = FX_VALUE_OBJECT(dest_table);
+	return FX_SUCCESS;
+}
+
+static fx_status get_key(
+	const fx_value *item_value,
+	const fx_property *prop,
+	fx_value *out)
+{
+	fx_hashtable_item *item = NULL;
+	fx_value_get_object(item_value, &item);
+	if (!item) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	struct fx_hashtable_item_p *item_p
+		= fx_object_get_private(item, FX_TYPE_HASHTABLE_ITEM);
+	fx_value_copy(out, &item_p->i_key);
+
+	return FX_SUCCESS;
+}
+
+static fx_status get_value(
+	const fx_value *item_value,
+	const fx_property *prop,
+	fx_value *out)
+{
+	fx_hashtable_item *item = NULL;
+	fx_value_get_object(item_value, &item);
+	if (!item) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	struct fx_hashtable_item_p *item_p
+		= fx_object_get_private(item, FX_TYPE_HASHTABLE_ITEM);
+	fx_value_copy(out, &item_p->i_value);
+
+	return FX_SUCCESS;
+}
+
+/*** ITERATOR FUNCTIONS *******************************************************/
+
+static enum fx_status iterator_move_next(const fx_iterator *obj)
+{
+	struct fx_hashtable_iterator_p *it
+		= fx_object_get_private(obj, FX_TYPE_HASHTABLE_ITERATOR);
+
+	fx_value_unset(&it->item_value);
+	struct table_item *table = it->_h_p->t_items;
+	size_t capacity = primes[it->_h_p->t_max_index];
+
+	it->i++;
+	while (it->i < capacity && table[it->i].i_item == NULL) {
+		it->i++;
+	}
+
+	if (it->i >= capacity || !table[it->i].i_item) {
+		return FX_ERR_NO_DATA;
+	}
+
+	it->item_value = FX_VALUE_OBJECT_REF(table[it->i].i_item);
+	return FX_SUCCESS;
+}
+
+static enum fx_status iterator_erase(fx_iterator *obj)
+{
+	struct fx_hashtable_iterator_p *it
+		= fx_object_get_private(obj, FX_TYPE_HASHTABLE_ITERATOR);
+
+	struct table_item *table = it->_h_p->t_items;
+	size_t capacity = primes[it->_h_p->t_max_index];
+
+	if (table[it->i].i_item) {
+		fx_hashtable_item_unref(table[it->i].i_item);
+		table[it->i].i_item = NULL;
+	}
+
+	it->i++;
+	while (it->i < capacity && table[it->i].i_item == NULL) {
+		it->i++;
+	}
+
+	if (it->i >= capacity || !table[it->i].i_item) {
+		return FX_ERR_NO_DATA;
+	}
+
+	return FX_SUCCESS;
+}
+
+static const fx_value *iterator_get_value(const fx_iterator *obj)
+{
+	struct fx_hashtable_iterator_p *it
+		= fx_object_get_private(obj, FX_TYPE_HASHTABLE_ITERATOR);
+	struct table_item *table = it->_h_p->t_items;
+	size_t capacity = primes[it->_h_p->t_max_index];
+
+	if (it->i >= capacity) {
+		return NULL;
+	}
+
+	if (table[it->i].i_item) {
+		return &it->item_value;
+	}
+
+	return NULL;
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+// ---- fx_hashtable DEFINITION
+FX_TYPE_CLASS_BEGIN(fx_hashtable)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = to_string;
+		FX_INTERFACE_ENTRY(clone) = clone;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
+		FX_INTERFACE_ENTRY(it_begin) = fx_hashtable_begin;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
+FX_TYPE_CLASS_END(fx_hashtable)
+
+FX_TYPE_DEFINITION_BEGIN(fx_hashtable)
+	FX_TYPE_ID(0xc73b431c, 0x5bd5, 0x45ac, 0x888b, 0x35d352db1fe4);
+	FX_TYPE_NAME("fx.collections.hashtable");
+	FX_TYPE_CLASS(fx_hashtable_class);
+	FX_TYPE_IMPLEMENTS(FX_TYPE_ITERABLE);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_hashtable_p);
+	FX_TYPE_INSTANCE_INIT(hashtable_init);
+	FX_TYPE_INSTANCE_FINI(hashtable_fini);
+FX_TYPE_DEFINITION_END(fx_hashtable)
+
+// ---- fx_hashtable_iterator DEFINITION
+FX_TYPE_CLASS_BEGIN(fx_hashtable_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
+		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
+		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_hashtable_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_hashtable_iterator)
+	FX_TYPE_ID(0x42c6836d, 0xf801, 0x49f9, 0xba58, 0xf9cd6f1cb22d);
+	FX_TYPE_NAME("fx.collections.hashtable.iterator");
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_hashtable_iterator_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_hashtable_iterator_p);
+	FX_TYPE_INSTANCE_FINI(hashtable_iterator_fini);
+FX_TYPE_DEFINITION_END(fx_hashtable_iterator)
+
+// ---- fx_hashtable_item DEFINITION
+FX_TYPE_CLASS_BEGIN(fx_hashtable_item)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_PROPERTY("key", get_key, NULL);
+	FX_TYPE_PROPERTY("value", get_value, NULL);
+FX_TYPE_CLASS_END(fx_hashtable_item)
+
+FX_TYPE_DEFINITION_BEGIN(fx_hashtable_item)
+	FX_TYPE_ID(0x748f78f3, 0x53df, 0x406c, 0x8777, 0x2075bd11fb97);
+	FX_TYPE_NAME("fx.collections.hashtable.item");
+	FX_TYPE_EXTENDS(FX_TYPE_OBJECT);
+	FX_TYPE_CLASS(fx_hashtable_item_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_hashtable_item_p);
+	FX_TYPE_INSTANCE_FINI(hashtable_item_fini);
+FX_TYPE_DEFINITION_END(fx_hashtable_item)

fx.collections/include/fx/collections/array.h

@@ -1,13 +1,5 @@
-/**
- * A heterogeneous array of objects. fx_array only stores references
- * to the objects that it contains, not the object data itself.
- *
- * fx_array stores pointers to objects in a single contiguous array,
- * but this is an implementation detail that may change in the future.
- * Users of fx_array should not rely on this being the case.
- */
-#ifndef FX_DS_ARRAY_H_
-#define FX_DS_ARRAY_H_
+#ifndef FX_COLLECTIONS_ARRAY_H_
+#define FX_COLLECTIONS_ARRAY_H_
 
 #include <fx/iterator.h>
 #include <fx/macros.h>
@@ -35,187 +27,37 @@ FX_API fx_type_id fx_array_iterator_get_type(void);
 
 FX_TYPE_DEFAULT_CONSTRUCTOR(fx_array, FX_TYPE_ARRAY);
 
-/**
- * Creates an fx_array initialised with the contents of the provided
- * fx_object pointer array. The fx_array will take a reference to each
- * object specified in `values`, and will increment the reference count.
- * The order of objects in the new fx_array will be the same as the order
- * of objects in `values`. Any NULL pointers in the `values` array will
- * be ignored, and will not result in gaps in the created fx_array.
- * However, `nr_values` should be large enough to cover the final
- * non-NULL pointer in `values`, including any NULL pointers in-between.
- *
- * @param values The list of object pointers which should make up the
- * contents of the new fx_array.
- * @param nr_values The size of the `values` array.
- * @return A pointer to the new fx_array, or NULL if an error occurred.
- */
 FX_API fx_array *fx_array_create_with_values(
-	fx_object *const *values,
+	const fx_value *values,
 	size_t nr_values);
 
-/**
- * Remove all object references from an fx_array, resetting the size of the
- * array to zero. The reference counts of all objects in the array will be
- * decremented.
- *
- * @param array The fx_array to clear.
- */
 FX_API void fx_array_clear(fx_array *array);
 
-/**
- * Inserts an object at the end of an fx_array. The reference count of
- * the object will be incremented.
- *
- * @param array The fx_array to append the object to.
- * @param value The object to append.
- * @return FX_SUCCESS if the object was appended successfully, or an
- * error code if an error occurred.
- */
-FX_API fx_status fx_array_append(fx_array *array, fx_object *value);
+FX_API fx_status fx_array_push_back(fx_array *array, fx_value value);
 
-/**
- * Inserts an object at the beginning of an fx_array. The reference count
- * of the object will be incremented. All other objects in the array
- * will be moved to make space for the object being pre-pended.
- *
- * @param array The fx_array to prepend the object to.
- * @param value The object to prepend.
- * @return FX_SUCCESS if the object was prepended successfully, or an
- * error code if an error occurred.
- */
-FX_API fx_status fx_array_prepend(fx_array *array, fx_object *value);
+FX_API fx_status fx_array_push_front(fx_array *array, fx_value value);
 
-/**
- * Inserts an object into an fx_array at a given index. The reference
- * count of the object will be incremented. If the specified index is at
- * the beginning or mid-way through the array (i.e. not at the end),
- * some or all of the objects already in the array will be moved to make
- * space for the object being inserted.
- *
- * @param array The fx_array to insert the object into.
- * @param value The object to insert.
- * @param at The index to insert the object at. If the index is
- * `FX_NPOS`, the object will be inserted at the end of the fx_array.
- * @return FX_SUCCESS if the object was inserted, or a status code
- * describing any error that occurred.
- */
-FX_API fx_status fx_array_insert(fx_array *array, fx_object *value, size_t at);
+FX_API fx_status fx_array_insert(fx_array *array, fx_value value, size_t at);
 
-/**
- * Removes the object at the specified index from an fx_array. The
- * reference count of the removed object will be decremented. If the
- * specified index is at the beginning or mid-way through the array
- * (i.e. not at the end), the remaining objects will be moved to fill
- * the empty space created by the object's removal.
- *
- * @param array The fx_array to remove the object from.
- * @param at The index of the object to be removed.
- * @return FX_SUCCESS if the object was removed, or a status code
- * describing any error that occurred.
- */
 FX_API fx_status fx_array_remove(fx_array *array, size_t at);
 
-/**
- * Removes the object at the beginning of an fx_array. The reference count
- * of the removed object will be decremented. The remaining objects will be
- * moved to fill the empty space created by the object's removal.
- *
- * @param array The fx_array to remove the object from.
- * @return FX_SUCCESS if the object was removed, or a status code describing any
- * error that occurred.
- */
 FX_API fx_status fx_array_remove_front(fx_array *array);
 
-/**
- * Removes the object at the end of an fx_array. The reference count
- * of the removed object will be decremented.
- *
- * @param array The fx_array to remove the object from.
- * @return FX_SUCCESS if the object was removed, or a status code describing any
- * error that occurred.
- */
 FX_API fx_status fx_array_remove_back(fx_array *array);
 
-/**
- * Removes the object at the specified index of an fx_array, and returns
- * a pointer to it. The reference count of the removed object will NOT
- * be decremented. The caller becomes the owner of the array's reference
- * to the object. If the specified index is at the beginning or mid-way
- * through the array (i.e. not at the end), the remaining objects will
- * be moved to fill the empty space created by the object's removal.
- *
- * @param array The fx_array to remove the object from.
- * @param at The index of the object to be removed.
- * @return An pointer to the removed object. This pointer is owned by
- * the caller. Returns NULL if an error occurred.
- */
-FX_API fx_object *fx_array_pop(fx_array *array, size_t at);
+FX_API fx_value fx_array_pop(fx_array *array, size_t at);
 
-/**
- * Removes the object at the beginning of an fx_array, and returns a
- * pointer to it. The reference count of the removed object will NOT be
- * decremented. The caller becomes the owner of the array's reference to
- * the object. The remaining objects in the fx_array will be moved to
- * fill the empty space left by the removed object.
- *
- * @param array The fx_array to remove the object from.
- * @return An pointer to the removed object. This pointer is owned by
- * the caller. Returns NULL if an error occurred.
- */
-FX_API fx_object *fx_array_pop_front(fx_array *array);
+FX_API fx_value fx_array_pop_front(fx_array *array);
 
-/**
- * Removes the object at the end of an fx_array, and returns a pointer to it.
- * The reference count of the removed object will NOT be decremented. The caller
- * becomes the owner of the array's reference to the object.
- *
- * @param array The fx_array to remove the object from.
- * @return An pointer to the removed object. This pointer is owned by the
- * caller. Returns NULL if an error occurred.
- */
-FX_API fx_object *fx_array_pop_back(fx_array *array);
+FX_API fx_value fx_array_pop_back(fx_array *array);
 
-/**
- * Returns an unowned pointer to the object at the given index of an fx_array.
- * The caller does not own the returned pointer, and MUST NOT release it.
- *
- * @param array The fx_array.
- * @param at The index of the object to return.
- * @return A pointer to the object at the given index. This pointer is NOT owned
- * by the caller. Returns NULL if an error occurred.
- */
-FX_API fx_object *fx_array_at(const fx_array *array, size_t at);
+FX_API fx_value *fx_array_get_ref(const fx_array *array, size_t at);
 
-/**
- * Returns an owned pointer to the object at the given index of an
- * fx_array. The caller owns the returned pointer, and must release it
- * when they are finished with it.
- *
- * @param array The fx_array.
- * @param at The index of the object to return.
- * @return A pointer to the object at the given index. This pointer is
- * owned by the caller. Returns NULL if an error occurred.
- */
-FX_API fx_object *fx_array_get(fx_array *array, size_t at);
+FX_API fx_value fx_array_get(const fx_array *array, size_t at);
 
-/**
- * Returns the number of objects contained in an fx_array.
- *
- * @param array The fx_array.
- * @return The number of objects contained in the fx_array.
- */
-FX_API size_t fx_array_size(const fx_array *array);
+FX_API size_t fx_array_get_size(const fx_array *array);
 
-/**
- * Returns the current maximum capacity of an fx_array. This represents
- * the number of objects that can be stored in an fx_array before its
- * internal buffer would need to be re-sized.
- *
- * @param array The fx_array.
- * @return The maximum capacity of the fx_array.
- */
-FX_API size_t fx_array_capacity(const fx_array *array);
+FX_API size_t fx_array_get_capacity(const fx_array *array);
 
 FX_DECLS_END;
 

fx.collections/include/fx/collections/dict.h

@@ -1,64 +0,0 @@
-#ifndef FX_DS_DICT_H_
-#define FX_DS_DICT_H_
-
-#include <fx/bst.h>
-#include <fx/macros.h>
-#include <fx/misc.h>
-#include <fx/queue.h>
-#include <fx/status.h>
-#include <fx/string.h>
-
-FX_DECLS_BEGIN;
-
-#define FX_TYPE_DICT          (fx_dict_get_type())
-#define FX_TYPE_DICT_ITERATOR (fx_dict_iterator_get_type())
-
-struct fx_dict_p;
-
-FX_DECLARE_TYPE(fx_dict);
-FX_DECLARE_TYPE(fx_dict_iterator);
-
-FX_TYPE_CLASS_DECLARATION_BEGIN(fx_dict)
-FX_TYPE_CLASS_DECLARATION_END(fx_dict)
-
-FX_TYPE_CLASS_DECLARATION_BEGIN(fx_dict_iterator)
-FX_TYPE_CLASS_DECLARATION_END(fx_dict_iterator)
-
-#define FX_DICT_ITEM(k, v) {.key = (k), .value = (v)}
-#define FX_DICT_ITEM_END   {.key = NULL, .value = NULL}
-
-#define fx_dict_foreach(it, dict)                                              \
-	for (int z__fx_unique_name() = fx_dict_iterator_begin(dict, it);       \
-	     (it)->key != NULL;                                                \
-	     fx_dict_iterator_next(it))
-
-typedef struct fx_dict_item {
-	const fx_string *key;
-	fx_object *value;
-} fx_dict_item;
-
-FX_API fx_type_id fx_dict_get_type(void);
-FX_API fx_type_id fx_dict_iterator_get_type(void);
-
-FX_TYPE_DEFAULT_CONSTRUCTOR(fx_dict, FX_TYPE_DICT);
-
-#if 0
-FX_API fx_dict *fx_dict_create_with_items(const fx_dict_item *items);
-#endif
-
-FX_API fx_status fx_dict_put(fx_dict *dict, const char *key, fx_object *value);
-FX_API fx_status
-fx_dict_put_sk(fx_dict *dict, const fx_string *key, fx_object *value);
-FX_API fx_object *fx_dict_at(const fx_dict *dict, const char *key);
-FX_API fx_object *fx_dict_at_sk(const fx_dict *dict, const fx_string *key);
-FX_API fx_object *fx_dict_get(fx_dict *dict, const char *key);
-FX_API fx_object *fx_dict_get_sk(fx_dict *dict, const fx_string *key);
-
-FX_API bool fx_dict_has_key(const fx_dict *dict, const char *key);
-FX_API bool fx_dict_has_skey(const fx_dict *dict, const fx_string *key);
-FX_API size_t fx_dict_get_size(const fx_dict *dict);
-FX_API bool fx_dict_is_empty(const fx_dict *dict);
-
-FX_DECLS_END;
-
-#endif

fx.collections/include/fx/collections/hashmap.h

@@ -83,7 +83,7 @@ FX_API bool fx_hashmap_has_key(
 FX_API size_t fx_hashmap_get_size(const fx_hashmap *hashmap);
 FX_API bool fx_hashmap_is_empty(const fx_hashmap *hashmap);
 
-FX_API fx_iterator *fx_hashmap_begin(fx_hashmap *hashmap);
+FX_API const fx_iterator *fx_hashmap_begin(const fx_hashmap *hashmap);
 FX_API const fx_iterator *fx_hashmap_cbegin(const fx_hashmap *hashmap);
 
 FX_DECLS_END;

fx.collections/include/fx/collections/hashtable.h

@@ -0,0 +1,56 @@
+#ifndef FX_COLLECTIONS_HASHTABLE_H_
+#define FX_COLLECTIONS_HASHTABLE_H_
+
+#include <fx/bst.h>
+#include <fx/iterator.h>
+#include <fx/macros.h>
+#include <fx/misc.h>
+#include <fx/queue.h>
+#include <fx/status.h>
+#include <fx/value.h>
+#include <stddef.h>
+
+FX_DECLS_BEGIN;
+
+#define FX_TYPE_HASHTABLE          (fx_hashtable_get_type())
+#define FX_TYPE_HASHTABLE_ITERATOR (fx_hashtable_iterator_get_type())
+#define FX_TYPE_HASHTABLE_ITEM     (fx_hashtable_item_get_type())
+
+FX_DECLARE_TYPE(fx_hashtable);
+FX_DECLARE_TYPE(fx_hashtable_iterator);
+FX_DECLARE_TYPE(fx_hashtable_item);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_hashtable)
+FX_TYPE_CLASS_DECLARATION_END(fx_hashtable)
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_hashtable_iterator)
+FX_TYPE_CLASS_DECLARATION_END(fx_hashtable_iterator)
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_hashtable_item)
+FX_TYPE_CLASS_DECLARATION_END(fx_hashtable_item)
+
+FX_API fx_type_id fx_hashtable_get_type(void);
+FX_API fx_type_id fx_hashtable_iterator_get_type(void);
+FX_API fx_type_id fx_hashtable_item_get_type(void);
+
+FX_TYPE_DEFAULT_CONSTRUCTOR(fx_hashtable, FX_TYPE_HASHTABLE);
+FX_API fx_hashtable *fx_hashtable_create(void);
+
+FX_API fx_status
+fx_hashtable_put(fx_hashtable *hashtable, fx_value *key, fx_value *value);
+FX_API const fx_value *fx_hashtable_get(
+	const fx_hashtable *hashtable,
+	const fx_value *key);
+
+FX_API size_t fx_hashtable_get_count(const fx_hashtable *hashtable);
+FX_API bool fx_hashtable_is_empty(const fx_hashtable *hashtable);
+
+FX_API const fx_iterator *fx_hashtable_begin(const fx_hashtable *hashtable);
+
+FX_API const fx_value *fx_hashtable_item_get_key(const fx_hashtable_item *item);
+FX_API const fx_value *fx_hashtable_item_get_value(
+	const fx_hashtable_item *item);
+
+FX_DECLS_END;
+
+#endif

fx.collections/include/fx/collections/list.h

@@ -59,8 +59,7 @@ FX_API void fx_list_delete_all(fx_list *q);
 
 FX_API void *fx_list_entry_value(const fx_list_entry *entry);
 
-FX_API fx_iterator *fx_list_begin(fx_list *q);
-FX_API const fx_iterator *fx_list_cbegin(const fx_list *q);
+FX_API const fx_iterator *fx_list_begin(const fx_list *q);
 
 FX_DECLS_END;
 

fx.collections/include/fx/collections/tree.h

@@ -1,58 +0,0 @@
-#ifndef FX_DS_TREE_H_
-#define FX_DS_TREE_H_
-
-#include <fx/macros.h>
-#include <fx/misc.h>
-#include <fx/queue.h>
-#include <fx/string.h>
-
-FX_DECLS_BEGIN;
-
-#define FX_TYPE_TREE          (fx_tree_get_type())
-#define FX_TYPE_TREE_ITERATOR (fx_tree_iterator_get_type())
-
-FX_DECLARE_TYPE(fx_tree);
-FX_DECLARE_TYPE(fx_tree_iterator);
-
-FX_TYPE_CLASS_DECLARATION_BEGIN(fx_tree)
-FX_TYPE_CLASS_DECLARATION_END(fx_tree)
-
-FX_TYPE_CLASS_DECLARATION_BEGIN(fx_tree_iterator)
-FX_TYPE_CLASS_DECLARATION_END(fx_tree_iterator)
-
-#define FX_TREE_NODE_INIT ((fx_tree_node) {0})
-
-#define FX_TREE_CONTAINER(t, m, v)                                             \
-	((void *)((v) ? (uintptr_t)(v) - (offsetof(t, m)) : 0))
-
-typedef struct fx_tree_node {
-	struct fx_tree_node *__p01, *__p02, *__p03;
-	struct fx_queue_entry __q01;
-} fx_tree_node;
-
-FX_API fx_type_id fx_tree_get_type(void);
-FX_API fx_type_id fx_tree_iterator_get_type(void);
-
-FX_TYPE_DEFAULT_CONSTRUCTOR(fx_tree, FX_TYPE_TREE);
-
-FX_API void fx_tree_set_root(fx_tree *tree, struct fx_tree_node *node);
-
-FX_API void fx_tree_node_add_child(fx_tree_node *parent, fx_tree_node *child);
-FX_API void fx_tree_node_add_sibling(fx_tree_node *node, fx_tree_node *to_add);
-
-FX_API fx_tree_node *fx_tree_node_get_child(fx_tree_node *node, size_t at);
-FX_API fx_tree_node *fx_tree_node_get_parent(fx_tree_node *node);
-
-FX_API fx_iterator *fx_tree_begin(fx_tree *tree);
-FX_API const fx_iterator *fx_tree_cbegin(const fx_tree *tree);
-
-FX_API fx_iterator *fx_tree_node_begin(fx_tree_node *node);
-FX_API const fx_iterator *fx_tree_node_cbegin(const fx_tree_node *node);
-
-FX_API fx_iterator *fx_tree_node_begin_recursive(fx_tree_node *node);
-FX_API const fx_iterator *fx_tree_node_cbegin_recursive(
-	const fx_tree_node *node);
-
-FX_DECLS_END;
-
-#endif

fx.collections/list.c

@@ -23,6 +23,7 @@ struct fx_list_iterator_p {
 
 	size_t i;
 	void *item;
+	fx_value item_value;
 	fx_list_entry *entry;
 };
 
@@ -41,8 +42,10 @@ static void *list_first_item(const struct fx_list_p *q)
 		return NULL;
 	}
 
-	struct fx_list_entry *list_entry
-		= fx_unbox(struct fx_list_entry, entry, e_entry);
+	struct fx_list_entry *list_entry = fx_unbox(
+		struct fx_list_entry,
+		entry,
+		e_entry);
 
 	return list_entry->e_data;
 }
@@ -55,8 +58,10 @@ static void *list_last_item(const struct fx_list_p *q)
 		return NULL;
 	}
 
-	struct fx_list_entry *list_entry
-		= fx_unbox(struct fx_list_entry, entry, e_entry);
+	struct fx_list_entry *list_entry = fx_unbox(
+		struct fx_list_entry,
+		entry,
+		e_entry);
 
 	return list_entry->e_data;
 }
@@ -69,8 +74,10 @@ static struct fx_list_entry *list_first_entry(const struct fx_list_p *q)
 		return NULL;
 	}
 
-	struct fx_list_entry *list_entry
-		= fx_unbox(struct fx_list_entry, entry, e_entry);
+	struct fx_list_entry *list_entry = fx_unbox(
+		struct fx_list_entry,
+		entry,
+		e_entry);
 
 	return list_entry;
 }
@@ -83,8 +90,10 @@ static struct fx_list_entry *list_last_entry(const struct fx_list_p *q)
 		return NULL;
 	}
 
-	struct fx_list_entry *list_entry
-		= fx_unbox(struct fx_list_entry, entry, e_entry);
+	struct fx_list_entry *list_entry = fx_unbox(
+		struct fx_list_entry,
+		entry,
+		e_entry);
 
 	return list_entry;
 }
@@ -169,8 +178,10 @@ static void *list_pop_front(struct fx_list_p *q)
 		return NULL;
 	}
 
-	struct fx_list_entry *list_entry
-		= fx_unbox(struct fx_list_entry, entry, e_entry);
+	struct fx_list_entry *list_entry = fx_unbox(
+		struct fx_list_entry,
+		entry,
+		e_entry);
 
 	void *item = list_entry->e_data;
 	free(list_entry);
@@ -187,8 +198,10 @@ static void *list_pop_back(struct fx_list_p *q)
 		return NULL;
 	}
 
-	struct fx_list_entry *list_entry
-		= fx_unbox(struct fx_list_entry, entry, e_entry);
+	struct fx_list_entry *list_entry = fx_unbox(
+		struct fx_list_entry,
+		entry,
+		e_entry);
 
 	void *item = list_entry->e_data;
 	free(list_entry);
@@ -202,8 +215,10 @@ static struct fx_list_entry *find_item(struct fx_list_p *list, void *item)
 {
 	struct fx_queue_entry *entry = fx_queue_first(&list->l_queue);
 	while (entry) {
-		struct fx_list_entry *list_entry
-			= fx_unbox(struct fx_list_entry, entry, e_entry);
+		struct fx_list_entry *list_entry = fx_unbox(
+			struct fx_list_entry,
+			entry,
+			e_entry);
 
 		if (list_entry->e_data == item) {
 			return list_entry;
@@ -246,8 +261,10 @@ static void list_delete_all(struct fx_list_p *q)
 {
 	struct fx_queue_entry *entry = fx_queue_first(&q->l_queue);
 	while (entry) {
-		struct fx_list_entry *list_entry
-			= fx_unbox(struct fx_list_entry, entry, e_entry);
+		struct fx_list_entry *list_entry = fx_unbox(
+			struct fx_list_entry,
+			entry,
+			e_entry);
 		struct fx_queue_entry *next = fx_queue_next(entry);
 
 		free(list_entry);
@@ -385,30 +402,12 @@ void *fx_list_entry_value(const struct fx_list_entry *entry)
 	return entry ? entry->e_data : NULL;
 }
 
-fx_iterator *fx_list_begin(fx_list *q)
+const fx_iterator *fx_list_begin(const fx_list *q)
 {
 	fx_list_iterator *it_obj = fx_object_create(FX_TYPE_LIST_ITERATOR);
-	struct fx_list_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_LIST_ITERATOR);
-
-	it->_q = q;
-	it->_q_p = fx_object_get_private(q, FX_TYPE_LIST);
-	it->_q_entry = fx_queue_first(&it->_q_p->l_queue);
-
-	it->i = 0;
-	it->entry = fx_unbox(struct fx_list_entry, it->_q_entry, e_entry);
-	if (it->entry) {
-		it->item = it->entry->e_data;
-	}
-
-	return 0;
-}
-
-const fx_iterator *fx_list_cbegin(const fx_list *q)
-{
-	fx_list_iterator *it_obj = fx_object_create(FX_TYPE_LIST_ITERATOR);
-	struct fx_list_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_LIST_ITERATOR);
+	struct fx_list_iterator_p *it = fx_object_get_private(
+		it_obj,
+		FX_TYPE_LIST_ITERATOR);
 
 	it->_q = (fx_list *)q;
 	it->_q_p = fx_object_get_private(q, FX_TYPE_LIST);
@@ -440,8 +439,9 @@ static void list_fini(fx_object *obj, void *priv)
 
 static enum fx_status iterator_move_next(const fx_iterator *obj)
 {
-	struct fx_list_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_LIST_ITERATOR);
+	struct fx_list_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_LIST_ITERATOR);
 
 	if (!it->_q_entry) {
 		it->entry = NULL;
@@ -467,8 +467,9 @@ static enum fx_status iterator_move_next(const fx_iterator *obj)
 
 static enum fx_status iterator_erase(fx_iterator *obj)
 {
-	struct fx_list_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_LIST_ITERATOR);
+	struct fx_list_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_LIST_ITERATOR);
 
 	if (!it->entry || !it->_q_entry) {
 		return FX_ERR_OUT_OF_BOUNDS;
@@ -488,20 +489,14 @@ static enum fx_status iterator_erase(fx_iterator *obj)
 	return FX_SUCCESS;
 }
 
-static fx_iterator_value iterator_get_value(fx_iterator *obj)
+static const fx_value *iterator_get_value(const fx_iterator *obj)
 {
-	struct fx_list_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_LIST_ITERATOR);
+	struct fx_list_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_TYPE_LIST_ITERATOR);
 
-	return FX_ITERATOR_VALUE_PTR(it->item);
-}
-
-static const fx_iterator_value iterator_get_cvalue(const fx_iterator *obj)
-{
-	struct fx_list_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_LIST_ITERATOR);
-
-	return FX_ITERATOR_VALUE_CPTR(it->item);
+	it->item_value = FX_POINTER(it->item);
+	return &it->item_value;
 }
 
 /*** CLASS DEFINITION *********************************************************/
@@ -514,7 +509,6 @@ FX_TYPE_CLASS_BEGIN(fx_list)
 
 	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
 		FX_INTERFACE_ENTRY(it_begin) = fx_list_begin;
-		FX_INTERFACE_ENTRY(it_cbegin) = fx_list_cbegin;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
 FX_TYPE_CLASS_END(fx_list)
 
@@ -537,7 +531,6 @@ FX_TYPE_CLASS_BEGIN(fx_list_iterator)
 		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
 		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
 		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
-		FX_INTERFACE_ENTRY(it_get_cvalue) = iterator_get_cvalue;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
 FX_TYPE_CLASS_END(fx_list_iterator)
 

fx.collections/test/arrays.c

@@ -4,6 +4,7 @@
 
 int main(void)
 {
+#if 0
 	fx_array *array = fx_array_create();
 	fx_array_append(array, fx_int_create(32));
 	fx_array_append(array, fx_int_create(64));
@@ -17,5 +18,6 @@ int main(void)
 	fx_iterator_unref(it);
 
 	fx_array_unref(array);
+#endif
 	return 0;
 }

fx.collections/test/hashtables.c

@@ -0,0 +1,49 @@
+#include <fx/collections/hashtable.h>
+#include <fx/int.h>
+#include <fx/reflection/type.h>
+#include <fx/stream.h>
+#include <stdio.h>
+
+int main(void)
+{
+	fx_hashtable *ht = fx_hashtable_create();
+	fx_hashtable_put(ht, &FX_INT(32), &FX_INT(64));
+	fx_hashtable_put(ht, &FX_CSTR("hello"), &FX_INT(128));
+
+	const fx_value *v = fx_hashtable_get(ht, &FX_INT(32));
+	if (v) {
+		printf("32= ");
+		fx_value_to_string(v, fx_stdout, NULL);
+		printf("\n");
+	} else {
+		printf("no value\n");
+	}
+
+	const fx_iterator *it = fx_hashtable_begin(ht);
+	fx_foreach(val, it)
+	{
+		fx_hashtable_item *item = NULL;
+		fx_value_get_object(val, &item);
+		printf("item %p\n", item);
+		const fx_value *key, *value;
+		key = fx_hashtable_item_get_key(item);
+		value = fx_hashtable_item_get_value(item);
+
+		fx_iterator *prop_it = fx_type_get_properties(
+			fx_type_get_by_id(FX_TYPE_HASHTABLE_ITEM));
+		fx_foreach(prop_val, prop_it)
+		{
+			fx_property *prop;
+			fx_value_get_object(prop_val, &prop);
+			printf("%s = ", fx_property_get_name(prop));
+			fx_value value = FX_VALUE_EMPTY;
+			fx_property_get_value(prop, val, &value);
+			fx_value_to_string(&value, fx_stdout, NULL);
+			printf("\n");
+		}
+		fx_iterator_unref(prop_it);
+	}
+	fx_iterator_unref(it);
+
+	return 0;
+}

fx.collections/test/numbers.c

@@ -1,12 +1,7 @@
-#include <fx/double.h>
+#include <fx/float.h>
 #include <stdio.h>
 
 int main(void)
 {
-	fx_double *d = fx_double_create(6.8);
-
-	printf("double=%lf\n", fx_double_get_value(d));
-	fx_double_unref(d);
-
 	return 0;
 }

fx.collections/test/simple.c

@@ -2,9 +2,9 @@
 
 int main(void)
 {
-	fx_string *string = FX_CSTR("Hello, world!");
+	fx_string *string = fx_string_create_from_cstr("Hello, world!");
 	printf("string object = ");
-	fx_object_to_string(string, fx_stdout);
+	fx_object_to_string(string, fx_stdout, NULL);
 	printf("\n");
 	fx_string_unref(string);
 	return 0;

fx.collections/test/streams.c

@@ -11,7 +11,7 @@ int main(int argc, const char **argv)
 	fx_stream_read_all_bytes_s(fx_stdin, dest_stream, buf, &nr_read);
 
 	printf("done. read %zu bytes total.\n", nr_read);
-	printf("%s\n", fx_stringstream_ptr(dest_stream));
+	printf("%s\n", fx_stringstream_get_cstr(dest_stream));
 
 	fx_stringstream_unref(dest_stream);
 	fx_stream_buffer_unref(buf);

fx.collections/test/trees.c

@@ -1,128 +0,0 @@
-#include <fx/bst.h>
-#include <fx/collections/dict.h>
-#include <fx/collections/tree.h>
-#include <fx/int.h>
-#include <fx/iterator.h>
-#include <inttypes.h>
-#include <stdio.h>
-
-#define NITEMS 16
-
-struct tree_item {
-	int value;
-	fx_tree_node node;
-};
-
-struct bst_item {
-	int value;
-	fx_bst_node node;
-};
-
-FX_BST_DEFINE_SIMPLE_GET(struct bst_item, int, node, value, get_node)
-FX_BST_DEFINE_SIMPLE_INSERT(struct bst_item, node, value, put_node)
-
-int main(void)
-{
-	fx_dict *dict = fx_dict_create();
-	fx_dict_put(dict, "hello", fx_int_create(32));
-	fx_dict_put(dict, "world", fx_int_create(64));
-	fx_dict_put(dict, "more", fx_int_create(128));
-	fx_dict_put(dict, "other", fx_int_create(256));
-
-	fx_iterator *it = fx_iterator_begin(dict);
-
-	size_t i = 0;
-	fx_foreach(fx_dict_item *, item, it)
-	{
-		printf("item %zu: %s=%" PRIdPTR "\n",
-		       i++,
-		       fx_string_get_cstr(item->key),
-		       fx_int_get_value(item->value));
-	}
-
-	fx_iterator_unref(it);
-
-	fx_tree *tree = fx_tree_create();
-	struct tree_item items2[NITEMS];
-
-	for (int i = 0; i < NITEMS; i++) {
-		items2[i].value = i;
-		items2[i].node = FX_TREE_NODE_INIT;
-	}
-
-	fx_tree_set_root(tree, &items2[0].node);
-
-	fx_tree_node_add_child(&items2[0].node, &items2[1].node);
-	fx_tree_node_add_child(&items2[0].node, &items2[2].node);
-	fx_tree_node_add_child(&items2[0].node, &items2[3].node);
-	fx_tree_node_add_child(&items2[0].node, &items2[7].node);
-	fx_tree_node_add_child(&items2[1].node, &items2[4].node);
-	fx_tree_node_add_child(&items2[1].node, &items2[5].node);
-	fx_tree_node_add_child(&items2[4].node, &items2[6].node);
-
-#if 0
-	it = fx_iterator_begin(tree);
-	fx_tree_iterator it2;
-	fx_tree_foreach(&it2, tree)
-	{
-		struct tree_item *item = fx_unbox(struct tree_item, it2.node, node);
-
-		for (size_t i = 0; i < it2.depth; i++) {
-			fputs("    ", stdout);
-		}
-
-		printf("%u\n", item->value);
-	}
-
-	fx_bst bst = {0};
-	struct bst_item items3[NITEMS] = {0};
-	for (int i = 0; i < NITEMS; i++) {
-		items3[i].value = i;
-		put_node(&bst, &items3[i]);
-	}
-
-	printf("\n\n");
-
-	fx_bst_iterator it3;
-	fx_bst_foreach (&it3, &bst) {
-		struct bst_item *item
-			= fx_unbox(struct bst_item, it3.node, node);
-
-		for (size_t i = 0; i < it3.depth; i++) {
-			fputs("    ", stdout);
-		}
-
-		printf("%d\n", item->value);
-	}
-
-	fx_bst_iterator_begin(&bst, &it3);
-	while (fx_bst_iterator_is_valid(&it3)) {
-		struct bst_item *item
-			= fx_unbox(struct bst_item, it3.node, node);
-
-		if (item->value == 9) {
-			fx_bst_iterator_erase(&it3);
-		} else {
-			fx_bst_iterator_next(&it3);
-		}
-	}
-
-	printf("\n\n");
-
-	fx_bst_foreach (&it3, &bst) {
-		struct bst_item *item
-			= fx_unbox(struct bst_item, it3.node, node);
-
-		for (size_t i = 0; i < it3.depth; i++) {
-			fputs("    ", stdout);
-		}
-
-		printf("%d\n", item->value);
-	}
-
-	fx_tree_unref(tree);
-#endif
-	fx_dict_unref(dict);
-
-	return 0;
-}

fx.collections/tree.c

@@ -1,390 +0,0 @@
-#include <fx/collections/tree.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define ITERATOR_RECURSIVE           0x01u
-
-#define ITERATOR_IS_RECURSIVE(it)    (((it)->_f01 & ITERATOR_RECURSIVE) != 0)
-#define ITERATOR_UNSET_RECURSIVE(it) ((it)->_f01 &= ~ITERATOR_RECURSIVE)
-#define ITERATOR_SET_RECURSIVE(it)   ((it)->_f01 |= ITERATOR_RECURSIVE)
-
-#define NODE_PARENT(n)               ((n)->__p01)
-#define NODE_FIRST_CHILD(n)          ((n)->__p02)
-#define NODE_NEXT_SIBLING(n)         ((n)->__p03)
-
-/*** PRIVATE DATA *************************************************************/
-
-struct fx_tree_p {
-	struct fx_tree_node *t_root;
-};
-
-struct fx_tree_iterator_p {
-	size_t i, depth;
-	fx_tree_node *node;
-
-	unsigned char _f01;
-};
-
-/*** PRIVATE FUNCTIONS ********************************************************/
-
-static void tree_set_root(struct fx_tree_p *tree, struct fx_tree_node *node)
-{
-	tree->t_root = node;
-}
-
-static const struct fx_tree_node *next_node(
-	const struct fx_tree_node *node,
-	bool recursive,
-	int *depth_diff)
-{
-	if (!node) {
-		return NULL;
-	}
-
-	if (!recursive) {
-		node = NODE_NEXT_SIBLING(node);
-		return node;
-	}
-
-	int d = 0;
-	struct fx_tree_node *next = NODE_FIRST_CHILD(node);
-	if (next) {
-		d = 1;
-		*depth_diff = d;
-		return next;
-	}
-
-	const struct fx_tree_node *n = node;
-	next = NODE_NEXT_SIBLING(n);
-	while (!next) {
-		n = NODE_PARENT(n);
-		if (!n) {
-			break;
-		}
-
-		d--;
-		next = NODE_NEXT_SIBLING(n);
-	}
-
-	*depth_diff = d;
-	return next;
-}
-
-static void remove_node(struct fx_tree_node *node)
-{
-	struct fx_tree_node *parent = NODE_PARENT(node);
-	if (!parent) {
-		return;
-	}
-
-	struct fx_tree_node *n0 = NULL, *n1 = NULL;
-	n0 = NODE_FIRST_CHILD(parent);
-
-	while (n0) {
-		if (n0 == node) {
-			break;
-		}
-
-		n1 = n0;
-		n0 = NODE_NEXT_SIBLING(n0);
-	}
-
-	if (!n0) {
-		return;
-	}
-
-	if (n1) {
-		NODE_NEXT_SIBLING(n1) = NODE_NEXT_SIBLING(n0);
-	} else {
-		NODE_FIRST_CHILD(parent) = NODE_NEXT_SIBLING(n0);
-	}
-
-	NODE_PARENT(n0) = NODE_NEXT_SIBLING(n0) = NULL;
-}
-
-static void reparent_children(
-	struct fx_tree_node *old_parent,
-	struct fx_tree_node *new_parent)
-{
-	struct fx_tree_node *last = NODE_FIRST_CHILD(new_parent);
-	while (last && NODE_NEXT_SIBLING(last)) {
-		last = NODE_NEXT_SIBLING(last);
-	}
-
-	struct fx_tree_node *cur = NODE_FIRST_CHILD(old_parent);
-	while (cur) {
-		struct fx_tree_node *next = NODE_NEXT_SIBLING(cur);
-		NODE_PARENT(cur) = new_parent;
-		NODE_NEXT_SIBLING(cur) = NULL;
-
-		if (last) {
-			NODE_NEXT_SIBLING(last) = cur;
-		} else {
-			NODE_FIRST_CHILD(new_parent) = cur;
-		}
-
-		last = cur;
-		cur = next;
-	}
-}
-
-/*** PUBLIC FUNCTIONS *********************************************************/
-
-void fx_tree_set_root(fx_tree *tree, struct fx_tree_node *node)
-{
-	FX_CLASS_DISPATCH_STATIC(FX_TYPE_TREE, tree_set_root, tree, node);
-}
-
-void fx_tree_node_add_child(
-	struct fx_tree_node *parent,
-	struct fx_tree_node *child)
-{
-	if (NODE_PARENT(child)) {
-		return;
-	}
-
-	NODE_PARENT(child) = parent;
-	if (!NODE_FIRST_CHILD(parent)) {
-		NODE_FIRST_CHILD(parent) = child;
-		return;
-	}
-
-	struct fx_tree_node *cur = NODE_FIRST_CHILD(parent);
-	while (NODE_NEXT_SIBLING(cur)) {
-		cur = NODE_NEXT_SIBLING(cur);
-	}
-
-	NODE_NEXT_SIBLING(cur) = child;
-}
-
-void fx_tree_node_add_sibling(
-	struct fx_tree_node *node,
-	struct fx_tree_node *to_add)
-{
-	if (NODE_PARENT(to_add) || !NODE_PARENT(node)) {
-		return;
-	}
-
-	fx_tree_node_add_child(NODE_PARENT(node), to_add);
-}
-
-struct fx_tree_node *fx_tree_node_get_child(
-	struct fx_tree_node *node,
-	size_t at)
-{
-	size_t i = 0;
-	struct fx_tree_node *cur = NODE_FIRST_CHILD(node);
-
-	while (i < at) {
-		if (!cur) {
-			return NULL;
-		}
-
-		cur = NODE_NEXT_SIBLING(cur);
-		i++;
-	}
-
-	return cur;
-}
-
-fx_iterator *fx_tree_begin(fx_tree *tree)
-{
-	struct fx_tree_p *p = fx_object_get_private(tree, FX_TYPE_TREE);
-	return fx_tree_node_begin(p->t_root);
-}
-
-const fx_iterator *fx_tree_cbegin(const fx_tree *tree)
-{
-	struct fx_tree_p *p = fx_object_get_private(tree, FX_TYPE_TREE);
-	return fx_tree_node_begin(p->t_root);
-}
-
-fx_iterator *fx_tree_node_begin(struct fx_tree_node *node)
-{
-	fx_tree_iterator *it_obj = fx_object_create(FX_TYPE_TREE_ITERATOR);
-	struct fx_tree_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_TREE_ITERATOR);
-
-	it->node = NODE_FIRST_CHILD(node);
-	it->i = 0;
-	it->depth = 0;
-
-	ITERATOR_UNSET_RECURSIVE(it);
-
-	if (!it->node) {
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-	}
-
-	return it_obj;
-}
-
-const fx_iterator *fx_tree_node_cbegin(const struct fx_tree_node *node)
-{
-	return fx_tree_node_begin((struct fx_tree_node *)node);
-}
-
-fx_iterator *fx_tree_node_begin_recursive(struct fx_tree_node *node)
-{
-	fx_tree_iterator *it_obj = fx_object_create(FX_TYPE_TREE_ITERATOR);
-	struct fx_tree_iterator_p *it
-		= fx_object_get_private(it_obj, FX_TYPE_TREE_ITERATOR);
-
-	it->node = node;
-	it->i = 0;
-	it->depth = 0;
-
-	ITERATOR_SET_RECURSIVE(it);
-
-	if (!it->node) {
-		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
-	}
-
-	return it_obj;
-}
-
-const fx_iterator *fx_tree_node_cbegin_recursive(
-	const struct fx_tree_node *node)
-{
-	return fx_tree_node_begin_recursive((struct fx_tree_node *)node);
-}
-
-/*** VIRTUAL FUNCTIONS ********************************************************/
-
-static void tree_init(fx_object *obj, void *priv)
-{
-	struct fx_tree_p *tree = priv;
-}
-
-static void tree_fini(fx_object *obj, void *priv)
-{
-	struct fx_tree_p *tree = priv;
-}
-
-/*** ITERATOR FUNCTIONS *******************************************************/
-
-static enum fx_status iterator_move_next(const fx_iterator *obj)
-{
-	struct fx_tree_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_TREE_ITERATOR);
-
-	int depth_diff = 0;
-	const struct fx_tree_node *next
-		= next_node(it->node, ITERATOR_IS_RECURSIVE(it), &depth_diff);
-
-	if (next) {
-		it->depth += depth_diff;
-		it->i++;
-	} else {
-		it->depth = 0;
-		it->i = 0;
-	}
-
-	it->node = (struct fx_tree_node *)next;
-	return (it->node != NULL) ? FX_SUCCESS : FX_ERR_NO_DATA;
-}
-
-static enum fx_status iterator_erase(fx_iterator *obj)
-{
-	struct fx_tree_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_TREE_ITERATOR);
-
-	if (!it->node) {
-		return FX_ERR_OUT_OF_BOUNDS;
-	}
-
-	struct fx_tree_node *parent = NODE_PARENT(it->node);
-	if (!parent) {
-		return FX_ERR_NOT_SUPPORTED;
-	}
-
-	int d = 0;
-	struct fx_tree_node *n = it->node;
-	struct fx_tree_node *next = NODE_NEXT_SIBLING(n);
-
-	if (!next) {
-		next = NODE_FIRST_CHILD(n);
-	}
-
-	while (!next) {
-		n = NODE_PARENT(n);
-		if (!n) {
-			break;
-		}
-
-		d--;
-		next = NODE_NEXT_SIBLING(n);
-	}
-
-	remove_node(it->node);
-	reparent_children(it->node, parent);
-
-	return FX_SUCCESS;
-}
-
-static fx_iterator_value iterator_get_value(fx_iterator *obj)
-{
-	struct fx_tree_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_TREE_ITERATOR);
-
-	if (!it->node) {
-		return FX_ITERATOR_VALUE_NULL;
-	}
-
-	return FX_ITERATOR_VALUE_PTR(it->node);
-}
-
-static const fx_iterator_value iterator_get_cvalue(const fx_iterator *obj)
-{
-	struct fx_tree_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_TREE_ITERATOR);
-
-	if (!it->node) {
-		return FX_ITERATOR_VALUE_NULL;
-	}
-
-	return FX_ITERATOR_VALUE_CPTR(it->node);
-}
-
-/*** CLASS DEFINITION *********************************************************/
-
-// ---- fx_tree DEFINITION
-FX_TYPE_CLASS_BEGIN(fx_tree)
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
-		FX_INTERFACE_ENTRY(to_string) = NULL;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
-
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
-		FX_INTERFACE_ENTRY(it_begin) = fx_tree_begin;
-		FX_INTERFACE_ENTRY(it_cbegin) = fx_tree_cbegin;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
-FX_TYPE_CLASS_END(fx_tree)
-
-FX_TYPE_DEFINITION_BEGIN(fx_tree)
-	FX_TYPE_ID(0x8d8fa36b, 0xc515, 0x4803, 0x8124, 0xfd704f01b8ae);
-	FX_TYPE_CLASS(fx_tree_class);
-	FX_TYPE_IMPLEMENTS(FX_TYPE_ITERABLE);
-	FX_TYPE_INSTANCE_PRIVATE(struct fx_tree_p);
-	FX_TYPE_INSTANCE_INIT(tree_init);
-	FX_TYPE_INSTANCE_FINI(tree_fini);
-FX_TYPE_DEFINITION_END(fx_tree)
-
-// ---- fx_tree_iterator DEFINITION
-FX_TYPE_CLASS_BEGIN(fx_tree_iterator)
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
-		FX_INTERFACE_ENTRY(to_string) = NULL;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
-
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
-		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
-		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
-		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
-		FX_INTERFACE_ENTRY(it_get_cvalue) = iterator_get_cvalue;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
-FX_TYPE_CLASS_END(fx_tree_iterator)
-
-FX_TYPE_DEFINITION_BEGIN(fx_tree_iterator)
-	FX_TYPE_ID(0xb896e671, 0x84b2, 0x4892, 0xaf09, 0x407f305f4bf8);
-	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
-	FX_TYPE_CLASS(fx_tree_iterator_class);
-	FX_TYPE_INSTANCE_PRIVATE(struct fx_tree_iterator_p);
-FX_TYPE_DEFINITION_END(fx_tree_iterator)

fx.diagnostics/CMakeLists.txt

@@ -0,0 +1 @@
+export_fx_namespace_details(fx.diagnostics)

fx.diagnostics/include/fx/diagnostics/process.h

@@ -0,0 +1,46 @@
+#ifndef FX_DIAGNOSTICS_PROCESS_H_
+#define FX_DIAGNOSTICS_PROCESS_H_
+
+#include <fx/collections/array.h>
+#include <fx/collections/hashtable.h>
+#include <fx/macros.h>
+#include <fx/stream.h>
+
+FX_DECLS_BEGIN;
+
+#define FX_DIAGNOSTICS_TYPE_PROCESS (fx_process_get_type())
+
+FX_DECLARE_TYPE(fx_process);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_process)
+FX_TYPE_CLASS_DECLARATION_END(fx_process)
+
+typedef struct fx_process_start_info {
+	bool proc_redirect_stdin, proc_redirect_stdout, proc_redirect_stderr;
+	const char *proc_file_name;
+	const fx_array *proc_args;
+	const fx_hashtable *proc_environment;
+} fx_process_start_info;
+
+FX_API fx_type_id fx_process_get_type(void);
+
+FX_API fx_process *fx_process_create(const fx_process_start_info *info);
+
+FX_API fx_process *fx_process_get_self(void);
+
+FX_API fx_status fx_process_start(fx_process *proc);
+FX_API fx_status fx_process_wait(fx_process *proc, int *out_result);
+FX_API fx_status fx_process_kill(fx_process *proc);
+
+FX_API const fx_hashtable *fx_process_get_environment(const fx_process *proc);
+FX_API fx_stream *fx_process_get_stdin(fx_process *proc);
+FX_API fx_stream *fx_process_get_stdout(fx_process *proc);
+FX_API fx_stream *fx_process_get_stderr(fx_process *proc);
+
+FX_API void fx_process_close_stdin(fx_process *proc);
+FX_API void fx_process_close_stdout(fx_process *proc);
+FX_API void fx_process_close_stderr(fx_process *proc);
+
+FX_DECLS_END;
+
+#endif

fx.diagnostics/sys/apple/process.c

@@ -0,0 +1,570 @@
+#define _POSIX_C_SOURCE 200809L
+
+#include <fx/collections/array.h>
+#include <fx/diagnostics/process.h>
+#include <fx/global.h>
+#include <fx/io/path.h>
+#include <fx/io/pipe.h>
+#include <fx/io/stream.h>
+#include <fx/iterator.h>
+#include <fx/macros.h>
+#include <fx/string.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+static fx_process *self = NULL;
+
+extern const char **environ;
+
+FX_API fx_type_id fx_process_iterator_get_type();
+
+FX_DECLARE_TYPE(fx_process_iterator);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_process_iterator)
+FX_TYPE_CLASS_DECLARATION_END(fx_process_iterator)
+
+struct fx_process_p {
+	fx_string *proc_exec_path;
+	fx_array *proc_args;
+	bool proc_redirect_stdin, proc_redirect_stdout, proc_redirect_stderr;
+	fx_stream *proc_stdin, *proc_stdout, *proc_stderr;
+	pid_t proc_id;
+	fx_hashtable *proc_environment;
+};
+
+struct fx_process_iterator_p {
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static bool exec_name_is_path(const char *s)
+{
+	fx_wchar c;
+	while (*s) {
+		c = fx_wchar_utf8_codepoint_decode(s);
+		if (c == FX_WCHAR_INVALID) {
+			break;
+		}
+
+		if (c == '/') {
+			return true;
+		}
+
+		s += fx_wchar_utf8_codepoint_stride(s);
+	}
+
+	return false;
+}
+
+const fx_string *get_path(void)
+{
+	const char *path_env = NULL;
+	fx_process *self = fx_process_get_self();
+	if (!self) {
+		goto fallback;
+	}
+
+	const fx_hashtable *env = fx_process_get_environment(self);
+	if (!env) {
+		goto fallback;
+	}
+
+	const fx_value *path_v = fx_hashtable_get(env, &FX_CSTR("PATH"));
+	if (!path_v) {
+		goto fallback;
+	}
+
+	fx_string *result = NULL;
+	fx_value_get_object(path_v, &result);
+	return result;
+
+fallback:
+	path_env = getenv("PATH");
+	if (!path_env) {
+		return NULL;
+	}
+
+	return fx_string_create_from_cstr(path_env);
+}
+
+static fx_status find_executable(fx_string *exec_path)
+{
+	const char *exec_path_cstr = fx_string_get_cstr(exec_path);
+	const fx_string *path_env = get_path();
+	if (!path_env) {
+		return FX_ERR_NO_ENTRY;
+	}
+
+	const char *delim[] = {":"};
+	size_t nr_delim = sizeof delim / sizeof delim[0];
+	fx_path *path = NULL;
+	fx_iterator *it = fx_string_tokenise(
+		path_env,
+		delim,
+		nr_delim,
+		FX_STRING_TOK_F_NORMAL);
+	fx_status status = FX_ERR_NO_ENTRY;
+
+	fx_foreach(tok, it)
+	{
+		path = fx_path_join_list(2, tok, &FX_VALUE_OBJECT(exec_path));
+		if (fx_path_is_file(path)) {
+			fx_string_clear(exec_path);
+			fx_string_append_cstr(
+				exec_path,
+				fx_path_get_cstr(path));
+			status = FX_SUCCESS;
+			break;
+		}
+	}
+
+	fx_iterator_unref(it);
+	fx_path_unref(path);
+
+	return status;
+}
+
+static fx_status process_start(struct fx_process_p *proc)
+{
+	fx_iostream *in_r = NULL, *in_w = NULL;
+	fx_iostream *out_r = NULL, *out_w = NULL;
+	fx_iostream *err_r = NULL, *err_w = NULL;
+	fx_status status = FX_SUCCESS;
+	bool name_is_path
+		= exec_name_is_path(fx_string_get_cstr(proc->proc_exec_path));
+
+	if (!name_is_path) {
+		status = find_executable(proc->proc_exec_path);
+	}
+
+	if (!FX_OK(status)) {
+		return status;
+	}
+
+	if (proc->proc_redirect_stdin) {
+		status = fx_pipe_create(&in_r, &in_w);
+		if (!FX_OK(status)) {
+			goto cleanup;
+		}
+	}
+
+	if (proc->proc_redirect_stdout) {
+		status = fx_pipe_create(&out_r, &out_w);
+		if (!FX_OK(status)) {
+			goto cleanup;
+		}
+	}
+
+	if (proc->proc_redirect_stderr) {
+		status = fx_pipe_create(&err_r, &err_w);
+		if (!FX_OK(status)) {
+			goto cleanup;
+		}
+	}
+
+	pid_t pid = fork();
+
+	if (pid < 0) {
+		status = FX_ERR_INVALID_ARGUMENT;
+		goto cleanup;
+	}
+
+	if (pid > 0) {
+		proc->proc_id = pid;
+		proc->proc_stdin = fx_iostream_ref(in_w);
+		proc->proc_stdout = fx_iostream_ref(out_r);
+		proc->proc_stderr = fx_iostream_ref(err_r);
+		status = FX_SUCCESS;
+		goto cleanup;
+	}
+
+	int fd = -1;
+	if (proc->proc_redirect_stdin) {
+		fx_iostream_unref(in_w);
+		fd = fx_iostream_steal_os_handle(in_r);
+		int err = dup2(fd, 0);
+		close(fd);
+	}
+
+	if (proc->proc_redirect_stdout) {
+		fx_iostream_unref(out_r);
+		fd = fx_iostream_steal_os_handle(out_w);
+		dup2(fd, 1);
+		close(fd);
+	}
+
+	if (proc->proc_redirect_stderr) {
+		fx_iostream_unref(err_r);
+		fd = fx_iostream_steal_os_handle(err_w);
+		dup2(fd, 2);
+		close(fd);
+	}
+
+	const char **argv = NULL;
+	const char **envp = NULL;
+	const char *default_argv[] = {
+		fx_string_get_cstr(proc->proc_exec_path),
+		NULL,
+	};
+
+	size_t argc = 0;
+	size_t envc = 0;
+
+	if (proc->proc_args) {
+		argc = fx_array_get_size(proc->proc_args);
+	}
+
+	if (proc->proc_environment) {
+		envc = fx_hashtable_get_count(proc->proc_environment);
+	}
+
+	if (argc) {
+		argv = calloc(argc + 1, sizeof(char *));
+
+		for (size_t i = 0; i < argc; i++) {
+			const fx_value *arg_value
+				= fx_array_get_ref(proc->proc_args, i);
+			fx_value_get_cstr(arg_value, &argv[i]);
+		}
+	} else {
+		argv = default_argv;
+	}
+
+	if (envc) {
+		envp = calloc(envc + 1, sizeof(char *));
+		size_t i = 0;
+		fx_stringstream *tmp = fx_stringstream_create();
+		const fx_iterator *it
+			= fx_iterator_begin(proc->proc_environment);
+		fx_foreach(v, it)
+		{
+			fx_hashtable_item *item = NULL;
+			fx_value_get_object(v, &item);
+			const fx_value *name_v
+				= fx_hashtable_item_get_key(item);
+			const fx_value *value_v
+				= fx_hashtable_item_get_value(item);
+
+			fx_value_to_string(name_v, tmp, NULL);
+			fx_stream_write_char(tmp, '=');
+			fx_value_to_string(value_v, tmp, NULL);
+			envp[i++] = fx_stringstream_steal(tmp);
+		}
+
+		fx_iterator_unref(it);
+		fx_string_unref(tmp);
+	}
+
+	execve(fx_string_get_cstr(proc->proc_exec_path),
+	       (char *const *)argv,
+	       (char *const *)envp);
+	exit(127);
+
+cleanup:
+	fx_iostream_unref(in_r);
+	fx_iostream_unref(in_w);
+	fx_iostream_unref(out_r);
+	fx_iostream_unref(out_w);
+	fx_iostream_unref(err_r);
+	fx_iostream_unref(err_w);
+	return status;
+}
+
+static fx_status process_wait(struct fx_process_p *proc, int *out_result)
+{
+	if (proc->proc_id == 0) {
+		return FX_ERR_BAD_STATE;
+	}
+
+	int status = 0;
+
+	do {
+		int err = waitpid(proc->proc_id, &status, WUNTRACED);
+		if (err != 0) {
+			return FX_ERR_BAD_STATE;
+		}
+	} while (!WIFEXITED(status));
+
+	proc->proc_id = 0;
+	*out_result = WEXITSTATUS(status);
+	return FX_ERR_NOT_SUPPORTED;
+}
+
+static fx_status process_kill(struct fx_process_p *proc)
+{
+	if (proc->proc_id == 0) {
+		return FX_ERR_BAD_STATE;
+	}
+
+	int err = kill(proc->proc_id, SIGTERM);
+	if (err != 0) {
+		return FX_ERR_BAD_STATE;
+	}
+
+	return FX_SUCCESS;
+}
+
+static const fx_hashtable *process_get_environment(
+	const struct fx_process_p *proc)
+{
+	return proc->proc_environment;
+}
+
+static fx_stream *process_get_stdin(struct fx_process_p *proc)
+{
+	return proc->proc_stdin;
+}
+
+static fx_stream *process_get_stdout(struct fx_process_p *proc)
+{
+	return proc->proc_stdout;
+}
+
+static fx_stream *process_get_stderr(struct fx_process_p *proc)
+{
+	return proc->proc_stderr;
+}
+
+static void process_close_stdin(struct fx_process_p *proc)
+{
+	fx_iostream_unref(proc->proc_stdin);
+	proc->proc_stdin = NULL;
+}
+
+static void process_close_stdout(struct fx_process_p *proc)
+{
+	fx_iostream_unref(proc->proc_stdout);
+	proc->proc_stdout = NULL;
+}
+
+static void process_close_stderr(struct fx_process_p *proc)
+{
+	fx_iostream_unref(proc->proc_stderr);
+	proc->proc_stderr = NULL;
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_process *fx_process_create(const fx_process_start_info *info)
+{
+	fx_process *out = fx_object_create(FX_DIAGNOSTICS_TYPE_PROCESS);
+	if (!out) {
+		return NULL;
+	}
+
+	struct fx_process_p *proc
+		= fx_object_get_private(out, FX_DIAGNOSTICS_TYPE_PROCESS);
+
+	proc->proc_exec_path = fx_string_create_from_cstr(info->proc_file_name);
+	if (!proc->proc_exec_path) {
+		fx_process_unref(out);
+		return NULL;
+	}
+
+	proc->proc_args = fx_array_ref((fx_array *)info->proc_args);
+
+	proc->proc_environment
+		= fx_hashtable_ref((fx_hashtable *)info->proc_environment);
+	proc->proc_redirect_stdin = info->proc_redirect_stdin;
+	proc->proc_redirect_stdout = info->proc_redirect_stdout;
+	proc->proc_redirect_stderr = info->proc_redirect_stderr;
+
+	return out;
+}
+
+fx_process *fx_process_get_self(void)
+{
+	if (self) {
+		return self;
+	}
+
+	self = fx_object_create(FX_DIAGNOSTICS_TYPE_PROCESS);
+	if (!self) {
+		return NULL;
+	}
+
+	struct fx_process_p *proc
+		= fx_object_get_private(self, FX_DIAGNOSTICS_TYPE_PROCESS);
+
+	proc->proc_id = getpid();
+	fx_hashtable *env = fx_hashtable_create();
+
+	for (size_t i = 0; environ[i]; i++) {
+		char *envstr = fx_strdup(environ[i]);
+
+		const char *name = envstr;
+		char *sep = strchr(name, '=');
+		const char *value = NULL;
+		if (sep) {
+			*sep = '\0';
+			value = sep + 1;
+		}
+
+		fx_string *name_str = fx_string_create_from_cstr(name);
+		fx_string *value_str = fx_string_create();
+		if (value) {
+			fx_string_append_cstr(value_str, value);
+		}
+
+		fx_hashtable_put(
+			env,
+			&FX_VALUE_OBJECT(name_str),
+			&FX_VALUE_OBJECT(value_str));
+
+		fx_string_unref(name_str);
+		fx_string_unref(value_str);
+		free(envstr);
+	}
+
+	proc->proc_environment = env;
+
+	fx_register_global(self);
+	return self;
+}
+
+fx_status fx_process_start(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_start,
+		proc);
+}
+
+fx_status fx_process_wait(fx_process *proc, int *out_result)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_wait,
+		proc,
+		out_result);
+}
+
+fx_status fx_process_kill(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_kill,
+		proc);
+}
+
+const fx_hashtable *fx_process_get_environment(const fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_environment,
+		proc);
+}
+
+fx_stream *fx_process_get_stdin(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_stdin,
+		proc);
+}
+
+fx_stream *fx_process_get_stdout(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_stdout,
+		proc);
+}
+
+fx_stream *fx_process_get_stderr(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_stderr,
+		proc);
+}
+
+void fx_process_close_stdin(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_V0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_close_stdin,
+		proc);
+}
+
+void fx_process_close_stdout(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_V0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_close_stdout,
+		proc);
+}
+
+void fx_process_close_stderr(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_V0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_close_stderr,
+		proc);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void process_init(fx_object *obj, void *priv)
+{
+}
+
+static void process_fini(fx_object *obj, void *priv)
+{
+	struct fx_process_p *proc = priv;
+	fx_array_unref(proc->proc_args);
+	fx_iostream_unref(proc->proc_stdin);
+	fx_iostream_unref(proc->proc_stdout);
+	fx_iostream_unref(proc->proc_stderr);
+	fx_string_unref(proc->proc_exec_path);
+	fx_hashtable_unref(proc->proc_environment);
+}
+
+/*** ITERATOR DEFINITION ******************************************************/
+
+static enum fx_status process_iterator_move_next(const fx_iterator *obj)
+{
+	return FX_ERR_NO_DATA;
+}
+
+static const fx_value *process_iterator_get_value(const fx_iterator *obj)
+{
+	return NULL;
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_process)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+FX_TYPE_CLASS_END(fx_process)
+
+FX_TYPE_DEFINITION_BEGIN(fx_process)
+	FX_TYPE_ID(0x7334594f, 0xa1c3, 0x4715, 0xab69, 0x68a709e1b64b);
+	FX_TYPE_NAME("fx.diagnostics.process");
+	FX_TYPE_CLASS(fx_process_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_process_p);
+	FX_TYPE_INSTANCE_INIT(process_init);
+	FX_TYPE_INSTANCE_FINI(process_fini);
+FX_TYPE_DEFINITION_END(fx_process)
+
+FX_TYPE_CLASS_BEGIN(fx_process_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = process_iterator_move_next;
+		FX_INTERFACE_ENTRY(it_get_value) = process_iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_process_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_process_iterator)
+	FX_TYPE_ID(0x67eb13b6, 0x25d1, 0x424a, 0xb136, 0x871a07829089);
+	FX_TYPE_NAME("fx.diagnostics.process.iterator");
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_process_iterator_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_process_iterator_p);
+FX_TYPE_DEFINITION_END(fx_process_iterator)

fx.diagnostics/sys/linux/process.c

@@ -0,0 +1,491 @@
+#define _POSIX_C_SOURCE 200809L
+
+#include <fx/collections/array.h>
+#include <fx/diagnostics/process.h>
+#include <fx/global.h>
+#include <fx/io/pipe.h>
+#include <fx/io/stream.h>
+#include <fx/iterator.h>
+#include <fx/macros.h>
+#include <fx/string.h>
+#include <signal.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+static fx_process *self = NULL;
+
+extern const char **environ;
+
+FX_API fx_type_id fx_process_iterator_get_type();
+
+FX_DECLARE_TYPE(fx_process_iterator);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_process_iterator)
+FX_TYPE_CLASS_DECLARATION_END(fx_process_iterator)
+
+struct fx_process_p {
+	fx_string *proc_exec_path;
+	fx_array *proc_args;
+	bool proc_redirect_stdin, proc_redirect_stdout, proc_redirect_stderr;
+	fx_stream *proc_stdin, *proc_stdout, *proc_stderr;
+	pid_t proc_id;
+	fx_hashtable *proc_environment;
+};
+
+struct fx_process_iterator_p {
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static fx_status process_start(struct fx_process_p *proc)
+{
+	fx_iostream *in_r = NULL, *in_w = NULL;
+	fx_iostream *out_r = NULL, *out_w = NULL;
+	fx_iostream *err_r = NULL, *err_w = NULL;
+	fx_status status = FX_SUCCESS;
+
+	if (proc->proc_redirect_stdin) {
+		status = fx_pipe_create(&in_r, &in_w);
+		if (!FX_OK(status)) {
+			goto cleanup;
+		}
+	}
+
+	if (proc->proc_redirect_stdout) {
+		status = fx_pipe_create(&out_r, &out_w);
+		if (!FX_OK(status)) {
+			goto cleanup;
+		}
+	}
+
+	if (proc->proc_redirect_stderr) {
+		status = fx_pipe_create(&err_r, &err_w);
+		if (!FX_OK(status)) {
+			goto cleanup;
+		}
+	}
+
+	pid_t pid = fork();
+
+	if (pid < 0) {
+		status = FX_ERR_INVALID_ARGUMENT;
+		goto cleanup;
+	}
+
+	if (pid > 0) {
+		proc->proc_id = pid;
+		proc->proc_stdin = fx_iostream_ref(in_w);
+		proc->proc_stdout = fx_iostream_ref(out_r);
+		proc->proc_stderr = fx_iostream_ref(err_r);
+		status = FX_SUCCESS;
+		goto cleanup;
+	}
+
+	int fd = -1;
+	if (proc->proc_redirect_stdin) {
+		fx_iostream_unref(in_w);
+		fd = fx_iostream_steal_os_handle(in_r);
+		int err = dup2(fd, 0);
+		close(fd);
+	}
+
+	if (proc->proc_redirect_stdout) {
+		fx_iostream_unref(out_r);
+		fd = fx_iostream_steal_os_handle(out_w);
+		dup2(fd, 1);
+		close(fd);
+	}
+
+	if (proc->proc_redirect_stderr) {
+		fx_iostream_unref(err_r);
+		fd = fx_iostream_steal_os_handle(err_w);
+		dup2(fd, 2);
+		close(fd);
+	}
+
+	const char **argv = NULL;
+	const char **envp = NULL;
+	const char *default_argv[] = {
+		fx_string_get_cstr(proc->proc_exec_path),
+		NULL,
+	};
+
+	size_t argc = 0;
+	size_t envc = 0;
+
+	if (proc->proc_args) {
+		argc = fx_array_get_size(proc->proc_args);
+	}
+
+	if (proc->proc_environment) {
+		envc = fx_hashtable_get_count(proc->proc_environment);
+	}
+
+	if (argc) {
+		argv = calloc(argc + 1, sizeof(char *));
+
+		for (size_t i = 0; i < argc; i++) {
+			const fx_value *arg_value
+				= fx_array_get_ref(proc->proc_args, i);
+			fx_value_get_cstr(arg_value, &argv[i]);
+		}
+	} else {
+		argv = default_argv;
+	}
+
+	if (envc) {
+		envp = calloc(envc + 1, sizeof(char *));
+		size_t i = 0;
+		fx_stringstream *tmp = fx_stringstream_create();
+		const fx_iterator *it
+			= fx_iterator_begin(proc->proc_environment);
+		fx_foreach(v, it)
+		{
+			fx_hashtable_item *item = NULL;
+			fx_value_get_object(v, &item);
+			const fx_value *name_v
+				= fx_hashtable_item_get_key(item);
+			const fx_value *value_v
+				= fx_hashtable_item_get_value(item);
+
+			fx_value_to_string(name_v, tmp, NULL);
+			fx_stream_write_char(tmp, '=');
+			fx_value_to_string(value_v, tmp, NULL);
+			envp[i++] = fx_stringstream_steal(tmp);
+		}
+
+		fx_iterator_unref(it);
+		fx_string_unref(tmp);
+	}
+
+	execve(fx_string_get_cstr(proc->proc_exec_path),
+	       (char *const *)argv,
+	       (char *const *)envp);
+	exit(127);
+
+cleanup:
+	fx_iostream_unref(in_r);
+	fx_iostream_unref(in_w);
+	fx_iostream_unref(out_r);
+	fx_iostream_unref(out_w);
+	fx_iostream_unref(err_r);
+	fx_iostream_unref(err_w);
+	return status;
+}
+
+static fx_status process_wait(struct fx_process_p *proc, int *out_result)
+{
+	if (proc->proc_id == 0) {
+		return FX_ERR_BAD_STATE;
+	}
+
+	int status = 0;
+
+	do {
+		int err = waitpid(proc->proc_id, &status, WUNTRACED);
+		if (err != 0) {
+			return FX_ERR_BAD_STATE;
+		}
+	} while (!WIFEXITED(status));
+
+	proc->proc_id = 0;
+	*out_result = WEXITSTATUS(status);
+	return FX_ERR_NOT_SUPPORTED;
+}
+
+static fx_status process_kill(struct fx_process_p *proc)
+{
+	if (proc->proc_id == 0) {
+		return FX_ERR_BAD_STATE;
+	}
+
+	int err = kill(proc->proc_id, SIGTERM);
+	if (err != 0) {
+		return FX_ERR_BAD_STATE;
+	}
+
+	return FX_SUCCESS;
+}
+
+static const fx_hashtable *process_get_environment(
+	const struct fx_process_p *proc)
+{
+	return proc->proc_environment;
+}
+
+static fx_stream *process_get_stdin(struct fx_process_p *proc)
+{
+	return proc->proc_stdin;
+}
+
+static fx_stream *process_get_stdout(struct fx_process_p *proc)
+{
+	return proc->proc_stdout;
+}
+
+static fx_stream *process_get_stderr(struct fx_process_p *proc)
+{
+	return proc->proc_stderr;
+}
+
+static void process_close_stdin(struct fx_process_p *proc)
+{
+	fx_iostream_unref(proc->proc_stdin);
+	proc->proc_stdin = NULL;
+}
+
+static void process_close_stdout(struct fx_process_p *proc)
+{
+	fx_iostream_unref(proc->proc_stdout);
+	proc->proc_stdout = NULL;
+}
+
+static void process_close_stderr(struct fx_process_p *proc)
+{
+	fx_iostream_unref(proc->proc_stderr);
+	proc->proc_stderr = NULL;
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_process *fx_process_create(const fx_process_start_info *info)
+{
+	fx_process *out = fx_object_create(FX_DIAGNOSTICS_TYPE_PROCESS);
+	if (!out) {
+		return NULL;
+	}
+
+	struct fx_process_p *proc
+		= fx_object_get_private(out, FX_DIAGNOSTICS_TYPE_PROCESS);
+
+	proc->proc_exec_path = fx_string_create_from_cstr(info->proc_file_name);
+	if (!proc->proc_exec_path) {
+		fx_process_unref(out);
+		return NULL;
+	}
+
+	if (info->proc_args_count > 0) {
+		proc->proc_args = fx_array_create();
+		if (!proc->proc_args) {
+			fx_process_unref(out);
+			return NULL;
+		}
+	}
+
+	for (size_t i = 0; i < info->proc_args_count; i++) {
+		fx_string *arg = fx_string_create_from_cstr(info->proc_args[i]);
+		if (!arg) {
+			fx_process_unref(out);
+			return NULL;
+		}
+
+		fx_array_push_back(proc->proc_args, FX_VALUE_OBJECT(arg));
+		fx_string_unref(arg);
+	}
+
+	proc->proc_environment
+		= fx_hashtable_ref((fx_hashtable *)info->proc_environment);
+	proc->proc_redirect_stdin = info->proc_redirect_stdin;
+	proc->proc_redirect_stdout = info->proc_redirect_stdout;
+	proc->proc_redirect_stderr = info->proc_redirect_stderr;
+
+	return out;
+}
+
+fx_process *fx_process_get_self(void)
+{
+	if (self) {
+		return self;
+	}
+
+	self = fx_object_create(FX_DIAGNOSTICS_TYPE_PROCESS);
+	if (!self) {
+		return NULL;
+	}
+
+	struct fx_process_p *proc
+		= fx_object_get_private(self, FX_DIAGNOSTICS_TYPE_PROCESS);
+
+	proc->proc_id = getpid();
+	fx_hashtable *env = fx_hashtable_create();
+
+	for (size_t i = 0; environ[i]; i++) {
+		char *envstr = fx_strdup(environ[i]);
+
+		const char *name = envstr;
+		char *sep = strchr(name, '=');
+		const char *value = NULL;
+		if (sep) {
+			*sep = '\0';
+			value = sep + 1;
+		}
+
+		fx_string *name_str = fx_string_create_from_cstr(name);
+		fx_string *value_str = fx_string_create();
+		if (value) {
+			fx_string_append_cstr(value_str, value);
+		}
+
+		fx_hashtable_put(
+			env,
+			&FX_VALUE_OBJECT(name_str),
+			&FX_VALUE_OBJECT(value_str));
+
+		fx_string_unref(name_str);
+		fx_string_unref(value_str);
+		free(envstr);
+	}
+
+	proc->proc_environment = env;
+
+	fx_register_global(self);
+	return self;
+}
+
+fx_status fx_process_start(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_start,
+		proc);
+}
+
+fx_status fx_process_wait(fx_process *proc, int *out_result)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_wait,
+		proc,
+		out_result);
+}
+
+fx_status fx_process_kill(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_kill,
+		proc);
+}
+
+const fx_hashtable *fx_process_get_environment(const fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_environment,
+		proc);
+}
+
+fx_stream *fx_process_get_stdin(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_stdin,
+		proc);
+}
+
+fx_stream *fx_process_get_stdout(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_stdout,
+		proc);
+}
+
+fx_stream *fx_process_get_stderr(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_get_stderr,
+		proc);
+}
+
+void fx_process_close_stdin(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_V0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_close_stdin,
+		proc);
+}
+
+void fx_process_close_stdout(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_V0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_close_stdout,
+		proc);
+}
+
+void fx_process_close_stderr(fx_process *proc)
+{
+	FX_CLASS_DISPATCH_STATIC_V0(
+		FX_DIAGNOSTICS_TYPE_PROCESS,
+		process_close_stderr,
+		proc);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void process_init(fx_object *obj, void *priv)
+{
+}
+
+static void process_fini(fx_object *obj, void *priv)
+{
+	struct fx_process_p *proc = priv;
+	fx_array_unref(proc->proc_args);
+	fx_iostream_unref(proc->proc_stdin);
+	fx_iostream_unref(proc->proc_stdout);
+	fx_iostream_unref(proc->proc_stderr);
+	fx_string_unref(proc->proc_exec_path);
+	fx_hashtable_unref(proc->proc_environment);
+}
+
+/*** ITERATOR DEFINITION
+ * ******************************************************/
+
+static enum fx_status process_iterator_move_next(const fx_iterator *obj)
+{
+	return FX_ERR_NO_DATA;
+}
+
+static const fx_value *process_iterator_get_value(const fx_iterator *obj)
+{
+	return NULL;
+}
+
+/*** CLASS DEFINITION
+ * *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_process)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+FX_TYPE_CLASS_END(fx_process)
+
+FX_TYPE_DEFINITION_BEGIN(fx_process)
+	FX_TYPE_ID(0x7334594f, 0xa1c3, 0x4715, 0xab69, 0x68a709e1b64b);
+	FX_TYPE_NAME("fx.diagnostics.process");
+	FX_TYPE_CLASS(fx_process_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_process_p);
+	FX_TYPE_INSTANCE_INIT(process_init);
+	FX_TYPE_INSTANCE_FINI(process_fini);
+FX_TYPE_DEFINITION_END(fx_process)
+
+FX_TYPE_CLASS_BEGIN(fx_process_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = process_iterator_move_next;
+		FX_INTERFACE_ENTRY(it_get_value) = process_iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_process_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_process_iterator)
+	FX_TYPE_ID(0x67eb13b6, 0x25d1, 0x424a, 0xb136, 0x871a07829089);
+	FX_TYPE_NAME("fx.diagnostics.process.iterator");
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_process_iterator_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_process_iterator_p);
+FX_TYPE_DEFINITION_END(fx_process_iterator)

fx.diagnostics/test/redirect.c

@@ -0,0 +1,65 @@
+#include <fx/diagnostics/process.h>
+
+int main(int argc, const char **argv)
+{
+	if (argc < 3) {
+		return -1;
+	}
+
+	const char *exec = argv[1];
+	const char *msg = argv[2];
+
+	const fx_value arg_values[] = {
+		FX_CSTR("hello"),
+		FX_CSTR("world"),
+	};
+	fx_array *args = fx_array_create_with_values(
+		arg_values,
+		sizeof arg_values / sizeof arg_values[0]);
+
+	fx_process *self = fx_process_get_self();
+	const fx_hashtable *env = fx_process_get_environment(self);
+
+	fx_process_start_info info = {
+		.proc_args = args,
+		.proc_redirect_stdout = true,
+		.proc_redirect_stdin = true,
+		.proc_file_name = exec,
+		.proc_environment = env,
+	};
+
+	fx_process *process = fx_process_create(&info);
+	if (!process) {
+		fprintf(stderr, "Process creation failed\n");
+		return -1;
+	}
+
+	fx_status status = fx_process_start(process);
+	if (!FX_OK(status)) {
+		fprintf(stderr,
+		        "Process creation failed: %s\n",
+		        fx_status_description(status));
+		return -1;
+	}
+
+	printf("process stdin: %s\n", msg);
+
+	fx_stream *in = fx_process_get_stdin(process);
+	fx_stream_write_cstr(in, msg, NULL);
+	fx_stream_write_char(in, '\n');
+	fx_process_close_stdin(process);
+
+	fx_stream *out = fx_process_get_stdout(process);
+	printf("process stdout:\n");
+	printf("---------------------\n");
+
+	while (FX_OK(fx_stream_read_line_s(out, fx_stdout))) { }
+
+	printf("---------------------\n");
+
+	int result;
+	fx_process_wait(process, &result);
+	fx_process_unref(process);
+
+	return 0;
+}

fx.io/include/fx/io/directory.h

@@ -50,7 +50,7 @@ FX_API fx_type_id fx_directory_iterator_get_type(void);
 
 FX_API fx_result fx_directory_open(
 	fx_directory *root,
-	const fx_path *path,
+	fx_value path,
 	fx_directory_open_flags flags,
 	fx_directory **out);
 FX_API fx_result fx_directory_open_temp(fx_directory **out);
@@ -60,22 +60,17 @@ FX_API const char *fx_directory_get_path_cstr(const fx_directory *dir);
 FX_API const char *fx_directory_get_rel_path_cstr(const fx_directory *dir);
 FX_API fx_result fx_directory_delete(fx_directory *dir);
 
-FX_API bool fx_directory_path_exists(
-	const fx_directory *root,
-	const fx_path *path);
-FX_API bool fx_directory_path_is_file(
-	const fx_directory *root,
-	const fx_path *path);
+FX_API bool fx_directory_path_exists(const fx_directory *root, fx_value path);
+FX_API bool fx_directory_path_is_file(const fx_directory *root, fx_value path);
 FX_API bool fx_directory_path_is_directory(
 	const fx_directory *root,
-	const fx_path *path);
+	fx_value path);
 FX_API fx_result fx_directory_path_stat(
 	const fx_directory *root,
-	const fx_path *path,
+	fx_value path,
 	struct fx_file_info *out);
-FX_API fx_result fx_directory_path_unlink(
-	const fx_directory *root,
-	const fx_path *path);
+FX_API fx_result
+fx_directory_path_unlink(const fx_directory *root, fx_value path);
 
 FX_API fx_iterator *fx_directory_begin(
 	fx_directory *dir,

fx.io/include/fx/io/file.h

@@ -5,6 +5,7 @@
 #include <fx/macros.h>
 #include <fx/misc.h>
 #include <fx/stream.h>
+#include <fx/value.h>
 
 FX_DECLS_BEGIN;
 
@@ -55,7 +56,7 @@ FX_API fx_type_id fx_file_get_type(void);
 
 FX_API fx_result fx_file_open(
 	FX_TYPE_FWDREF(fx_directory) * root,
-	const FX_TYPE_FWDREF(fx_path) * path,
+	fx_value path,
 	fx_file_mode mode,
 	fx_file **out);
 FX_API fx_result fx_file_open_temp(fx_file_mode mode, fx_file **out);

fx.io/include/fx/io/path.h

@@ -18,18 +18,25 @@ FX_TYPE_CLASS_DECLARATION_END(fx_path)
 
 #define FX_RV_PATH(cstr) FX_RV(fx_path_create_from_cstr(cstr))
 
+typedef enum fx_system_path {
+	FX_PATH_ROOT = 0,
+	FX_PATH_CWD,
+	FX_PATH_HOME,
+	FX_PATH_CONFIG,
+} fx_system_path;
+
 struct fx_file_info;
 
 FX_API fx_type_id fx_path_get_type(void);
 
 FX_TYPE_DEFAULT_CONSTRUCTOR(fx_path, FX_TYPE_PATH);
 
-FX_API fx_path *fx_path_create_root();
-FX_API fx_path *fx_path_create_cwd();
 FX_API fx_path *fx_path_create_from_cstr(const char *path);
+FX_API fx_path *fx_path_get_system(fx_system_path path_type);
 FX_API fx_path *fx_path_duplicate(const fx_path *path);
 
-FX_API fx_path *fx_path_join(const fx_path *paths[], size_t nr_paths);
+FX_API fx_path *fx_path_join_array(const fx_value *values[], size_t nr_values);
+FX_API fx_path *fx_path_join_list(size_t count, ...);
 
 FX_API fx_path *fx_path_make_absolute(const fx_path *in);
 FX_API fx_path *fx_path_make_relative(const fx_path *in);
@@ -49,7 +56,7 @@ FX_API enum fx_status fx_path_get_filename(
 	const fx_path *path,
 	fx_string *out_name);
 
-FX_API const char *fx_path_ptr(const fx_path *path);
+FX_API const char *fx_path_get_cstr(const fx_path *path);
 FX_API size_t fx_path_length(const fx_path *path);
 
 FX_DECLS_END;

fx.io/include/fx/io/pipe.h

@@ -0,0 +1,8 @@
+#ifndef FX_IO_PIPE_H_
+#define FX_IO_PIPE_H_
+
+#include <fx/io/stream.h>
+
+FX_API fx_status fx_pipe_create(fx_iostream **reader, fx_iostream **writer);
+
+#endif

fx.io/include/fx/io/stream.h

@@ -0,0 +1,29 @@
+#ifndef FX_IO_STREAM_H_
+#define FX_IO_STREAM_H_
+
+#include <fx/int.h>
+#include <fx/macros.h>
+#include <fx/stream.h>
+
+FX_DECLS_BEGIN;
+
+#define FX_IO_TYPE_STREAM (fx_iostream_get_type())
+
+FX_DECLARE_TYPE(fx_iostream);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_iostream)
+FX_TYPE_CLASS_DECLARATION_END(fx_iostream)
+
+FX_API fx_type_id fx_iostream_get_type(void);
+
+FX_API fx_iostream *fx_iostream_create(
+	fx_stream_mode mode,
+	uptr os_handle,
+	bool close_handle_on_release);
+
+FX_API uptr fx_iostream_get_os_handle(const fx_iostream *stream);
+FX_API uptr fx_iostream_steal_os_handle(fx_iostream *stream);
+
+FX_DECLS_END;
+
+#endif

fx.io/sys/apple/directory.c

@@ -1,3 +1,5 @@
+#define _POSIX_C_SOURCE 200809L
+
 #include "misc.h"
 #include "posix.h"
 
@@ -35,6 +37,7 @@ struct fx_directory_iterator_p {
 	fx_directory *root;
 
 	fx_directory_entry entry;
+	fx_value entry_value;
 };
 
 /*** PRIVATE FUNCTIONS ********************************************************/
@@ -50,12 +53,12 @@ static const fx_path *directory_get_rel_path(const struct fx_directory_p *dir)
 
 static const char *directory_get_path_cstr(const struct fx_directory_p *dir)
 {
-	return fx_path_ptr(dir->d_path_abs);
+	return fx_path_get_cstr(dir->d_path_abs);
 }
 
 static const char *directory_get_rel_path_cstr(const struct fx_directory_p *dir)
 {
-	return fx_path_ptr(dir->d_path_rel);
+	return fx_path_get_cstr(dir->d_path_rel);
 }
 
 static fx_result directory_delete(
@@ -85,14 +88,12 @@ static fx_result directory_delete(
 
 static bool directory_path_exists(
 	const struct fx_directory_p *root,
-	const fx_path *path)
+	fx_value path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
-	};
-
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
 	if (!abs_path) {
 		return false;
 	}
@@ -105,14 +106,14 @@ static bool directory_path_exists(
 
 static bool directory_path_is_file(
 	const struct fx_directory_p *root,
-	const fx_path *path)
+	fx_value path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
-	};
+	const fx_value *parts[] = {};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
 	if (!abs_path) {
 		return false;
 	}
@@ -125,14 +126,14 @@ static bool directory_path_is_file(
 
 static bool directory_path_is_directory(
 	const struct fx_directory_p *root,
-	const fx_path *path)
+	fx_value path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
-	};
+	const fx_value *parts[] = {};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
 	if (!abs_path) {
 		return false;
 	}
@@ -145,15 +146,15 @@ static bool directory_path_is_directory(
 
 static fx_result directory_path_stat(
 	const struct fx_directory_p *root,
-	const fx_path *path,
+	fx_value path,
 	struct fx_file_info *out)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
-	};
+	const fx_value *parts[] = {};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
 	if (!abs_path) {
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
@@ -166,14 +167,14 @@ static fx_result directory_path_stat(
 
 static fx_result directory_path_unlink(
 	const struct fx_directory_p *root,
-	const fx_path *path)
+	fx_value path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
-	};
+	const fx_value *parts[] = {};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
 	if (!abs_path) {
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
@@ -253,7 +254,7 @@ static fx_result create_directory_hierarchy(
 
 static fx_result directory_open(
 	struct fx_directory_p *root,
-	const fx_path *path,
+	fx_value path,
 	fx_directory_open_flags flags,
 	fx_directory **out)
 {
@@ -261,7 +262,10 @@ static fx_result directory_open(
 
 	int root_fd = root ? root->d_fd : AT_FDCWD;
 
-	const char *path_cstr = fx_path_ptr(path);
+	fx_stringstream *path_str = fx_stringstream_create();
+	fx_value_to_string(&path, path_str, NULL);
+	const char *path_cstr = fx_stringstream_get_cstr(path_str);
+
 	if (root) {
 		while (*path_cstr == '/') {
 			path_cstr++;
@@ -295,16 +299,18 @@ static fx_result directory_open(
 		= fx_object_get_private(dir, FX_TYPE_DIRECTORY);
 
 	if (!root) {
-		cwd = fx_path_create_cwd();
+		cwd = fx_path_get_system(FX_PATH_CWD);
 	}
 
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : cwd,
-		path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : cwd),
+		&FX_CSTR(path_cstr),
 	};
 
-	fx_path *new_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *new_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	if (!new_path) {
+		fx_stringstream_unref(path_str);
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
 
@@ -313,7 +319,7 @@ static fx_result directory_open(
 	}
 
 	p->d_path_abs = new_path;
-	p->d_path_rel = fx_path_duplicate(path);
+	p->d_path_rel = fx_path_create_from_cstr(path_cstr);
 	p->d_fd = fd;
 
 	if (flags & FX_DIRECTORY_OPEN_DELETE_ON_CLOSE) {
@@ -321,6 +327,7 @@ static fx_result directory_open(
 	}
 
 	*out = dir;
+	fx_stringstream_unref(path_str);
 
 	return FX_RESULT_SUCCESS;
 }
@@ -329,7 +336,7 @@ static fx_result directory_open(
 
 fx_result fx_directory_open(
 	fx_directory *root,
-	const fx_path *path,
+	fx_value path,
 	fx_directory_open_flags flags,
 	fx_directory **out)
 {
@@ -350,19 +357,17 @@ fx_result fx_directory_open_temp(fx_directory **out)
 	while (1) {
 		z__fx_io_generate_tmp_filename(name, sizeof name);
 		snprintf(path, sizeof path, "/tmp/%s", name);
-		fx_path *rpath = fx_path_create_from_cstr(path);
 
 		fx_directory *dir = NULL;
 		fx_result status = fx_directory_open(
 			FX_DIRECTORY_ROOT,
-			rpath,
+			FX_CSTR(path),
 			FX_DIRECTORY_OPEN_CREATE,
 			&dir);
 		struct fx_directory_p *p
 			= fx_object_get_private(dir, FX_TYPE_DIRECTORY);
 
 		if (fx_error_get_status_code(status) == FX_ERR_NAME_EXISTS) {
-			fx_path_unref(rpath);
 			continue;
 		}
 
@@ -370,9 +375,7 @@ fx_result fx_directory_open_temp(fx_directory **out)
 			p->d_flags |= DIRECTORY_DELETE_ON_CLOSE;
 		}
 
-		fx_path_unlink(rpath);
-		fx_path_unref(rpath);
-
+		*out = dir;
 		return status;
 	}
 }
@@ -416,7 +419,7 @@ fx_result fx_directory_delete(fx_directory *dir)
 	return FX_RESULT_SUCCESS;
 }
 
-bool fx_directory_path_exists(const fx_directory *root, const fx_path *path)
+bool fx_directory_path_exists(const fx_directory *root, fx_value path)
 {
 	FX_CLASS_DISPATCH_STATIC(
 		FX_TYPE_DIRECTORY,
@@ -425,7 +428,7 @@ bool fx_directory_path_exists(const fx_directory *root, const fx_path *path)
 		path);
 }
 
-bool fx_directory_path_is_file(const fx_directory *root, const fx_path *path)
+bool fx_directory_path_is_file(const fx_directory *root, fx_value path)
 {
 	FX_CLASS_DISPATCH_STATIC(
 		FX_TYPE_DIRECTORY,
@@ -434,9 +437,7 @@ bool fx_directory_path_is_file(const fx_directory *root, const fx_path *path)
 		path);
 }
 
-bool fx_directory_path_is_directory(
-	const fx_directory *root,
-	const fx_path *path)
+bool fx_directory_path_is_directory(const fx_directory *root, fx_value path)
 {
 	FX_CLASS_DISPATCH_STATIC(
 		FX_TYPE_DIRECTORY,
@@ -447,7 +448,7 @@ bool fx_directory_path_is_directory(
 
 fx_result fx_directory_path_stat(
 	const fx_directory *root,
-	const fx_path *path,
+	fx_value path,
 	struct fx_file_info *out)
 {
 	FX_CLASS_DISPATCH_STATIC(
@@ -458,9 +459,7 @@ fx_result fx_directory_path_stat(
 		out);
 }
 
-fx_result fx_directory_path_unlink(
-	const fx_directory *root,
-	const fx_path *path)
+fx_result fx_directory_path_unlink(const fx_directory *root, fx_value path)
 {
 	FX_CLASS_DISPATCH_STATIC(
 		FX_TYPE_DIRECTORY,
@@ -508,6 +507,8 @@ static void update_iterator_data(struct fx_directory_iterator_p *it)
 	fx_path *path = fx_path_create_from_cstr(
 		ent->fts_path + fx_path_length(it->_p->d_path_abs) + 1);
 
+	fx_value_unset(&it->entry_value);
+	it->entry_value = FX_POINTER(&it->entry);
 	it->entry.filename = ent->fts_name;
 	it->entry.filepath = path;
 
@@ -565,7 +566,7 @@ fx_iterator *fx_directory_begin(
 	int fts_flags = FTS_COMFOLLOW | FTS_NOCHDIR;
 
 	const char *path_list[] = {
-		fx_path_ptr(it->_p->d_path_abs),
+		fx_path_get_cstr(it->_p->d_path_abs),
 		NULL,
 	};
 
@@ -614,12 +615,7 @@ fx_iterator *fx_directory_begin(
 	return it_obj;
 }
 
-static fx_iterator *iterator_begin(fx_object *obj)
-{
-	return fx_directory_begin(obj, FX_DIRECTORY_ITERATE_PARENT_FIRST);
-}
-
-static const fx_iterator *iterator_cbegin(const fx_object *obj)
+static const fx_iterator *iterator_begin(const fx_object *obj)
 {
 	return fx_directory_begin(
 		(fx_object *)obj,
@@ -679,8 +675,9 @@ static enum fx_status iterator_erase(fx_iterator *obj)
 {
 	struct fx_directory_iterator_p *it
 		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
-	fx_result result
-		= fx_directory_path_unlink(it->root, it->entry.filepath);
+	fx_result result = fx_directory_path_unlink(
+		it->root,
+		FX_VALUE_OBJECT(it->entry.filepath));
 	if (fx_result_is_error(result)) {
 		enum fx_status status = fx_error_get_status_code(result);
 		fx_error_discard(result);
@@ -690,20 +687,12 @@ static enum fx_status iterator_erase(fx_iterator *obj)
 	return iterator_move_next(obj);
 }
 
-static fx_iterator_value iterator_get_value(fx_iterator *obj)
+static const fx_value *iterator_get_value(const fx_iterator *obj)
 {
 	struct fx_directory_iterator_p *it
 		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
 
-	return FX_ITERATOR_VALUE_PTR(&it->entry);
-}
-
-static const fx_iterator_value iterator_get_cvalue(const fx_iterator *obj)
-{
-	struct fx_directory_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
-
-	return FX_ITERATOR_VALUE_CPTR(&it->entry);
+	return &it->entry_value;
 }
 
 /*** CLASS DEFINITION *********************************************************/
@@ -716,7 +705,6 @@ FX_TYPE_CLASS_BEGIN(fx_directory)
 
 	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
 		FX_INTERFACE_ENTRY(it_begin) = iterator_begin;
-		FX_INTERFACE_ENTRY(it_cbegin) = iterator_cbegin;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
 FX_TYPE_CLASS_END(fx_directory)
 
@@ -739,7 +727,6 @@ FX_TYPE_CLASS_BEGIN(fx_directory_iterator)
 		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
 		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
 		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
-		FX_INTERFACE_ENTRY(it_get_cvalue) = iterator_get_cvalue;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
 FX_TYPE_CLASS_END(fx_directory_iterator)
 

fx.io/sys/apple/file.c

@@ -1,3 +1,5 @@
+#define _POSIX_C_SOURCE 200809L
+
 #include "misc.h"
 #include "posix.h"
 
@@ -84,13 +86,13 @@ static fx_result file_open_shadow(
 		= fx_path_create_from_cstr(fx_string_get_cstr(filename));
 	fx_string_unref(filename);
 
-	const fx_path *parts[] = {
-		dir,
-		shadow_filename,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(dir),
+		&FX_VALUE_OBJECT(shadow_filename),
 	};
 
 	fx_path *shadow_filepath
-		= fx_path_join(parts, sizeof parts / sizeof parts[0]);
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	fx_path_unref(dir);
 	fx_path_unref(shadow_filename);
 
@@ -101,7 +103,7 @@ static fx_result file_open_shadow(
 	fx_file *shadow_file;
 	fx_result status = fx_file_open(
 		FX_DIRECTORY_ROOT,
-		shadow_filepath,
+		FX_VALUE_OBJECT(shadow_filepath),
 		mode,
 		&shadow_file);
 	fx_path_unref(shadow_filepath);
@@ -227,12 +229,14 @@ static enum fx_status file_swap_shadow(
 		z__fx_io_generate_tmp_filename(tmp_name, sizeof tmp_name);
 		fx_path *tmp_name_p = fx_path_create_from_cstr(tmp_name);
 
-		const fx_path *parts[] = {
-			dir_path,
-			tmp_name_p,
+		const fx_value *parts[] = {
+			&FX_VALUE_OBJECT(dir_path),
+			&FX_VALUE_OBJECT(tmp_name_p),
 		};
 
-		tmp_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+		tmp_path = fx_path_join_array(
+			parts,
+			sizeof parts / sizeof parts[0]);
 
 		fx_path_unref(tmp_name_p);
 
@@ -248,11 +252,15 @@ static enum fx_status file_swap_shadow(
 
 	int err;
 
-	err = rename(fx_path_ptr(main_file->path), fx_path_ptr(tmp_path));
 	err = rename(
-		fx_path_ptr(shadow_file->path),
-		fx_path_ptr(main_file->path));
-	err = rename(fx_path_ptr(tmp_path), fx_path_ptr(shadow_file->path));
+		fx_path_get_cstr(main_file->path),
+		fx_path_get_cstr(tmp_path));
+	err = rename(
+		fx_path_get_cstr(shadow_file->path),
+		fx_path_get_cstr(main_file->path));
+	err = rename(
+		fx_path_get_cstr(tmp_path),
+		fx_path_get_cstr(shadow_file->path));
 
 	fx_path_unref(tmp_path);
 
@@ -406,11 +414,10 @@ static enum fx_status stream_tell(const fx_stream *stream, size_t *pos)
 
 fx_result fx_file_open(
 	fx_directory *root,
-	const fx_path *path,
+	fx_value path,
 	enum fx_file_mode mode,
 	fx_file **out)
 {
-	const fx_path *file_path = path;
 	unsigned int flags = fx_mode_to_unix_mode(mode);
 
 	if (flags == (unsigned int)-1) {
@@ -422,16 +429,12 @@ fx_result fx_file_open(
 	if (root) {
 		root_path = fx_directory_get_path(root);
 	} else {
-		root_path = fx_path_create_cwd();
+		root_path = fx_path_get_system(FX_PATH_CWD);
 		free_root_path = true;
 	}
 
-	const fx_path *parts[] = {
-		root_path,
-		file_path,
-	};
-
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path
+		= fx_path_join_list(2, &FX_VALUE_OBJECT(root_path), &path);
 
 	if (free_root_path) {
 		fx_path_unref((fx_path *)root_path);
@@ -441,7 +444,7 @@ fx_result fx_file_open(
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
 
-	int fd = open(fx_path_ptr(abs_path), flags, 0644);
+	int fd = open(fx_path_get_cstr(abs_path), flags, 0644);
 	if (fd == -1) {
 		fx_path_unref(abs_path);
 		return FX_RESULT_STATUS(
@@ -492,7 +495,7 @@ fx_result fx_file_open_temp(enum fx_file_mode mode, fx_file **out)
 
 		fx_result status = fx_file_open(
 			FX_DIRECTORY_ROOT,
-			rpath,
+			FX_VALUE_OBJECT(rpath),
 			mode | FX_FILE_CREATE_ONLY,
 			out);
 

fx.io/sys/apple/path.c

@@ -91,22 +91,22 @@ static bool path_is_directory(const struct fx_path_p *path)
 	return (info.attrib & FX_FILE_ATTRIB_DIRECTORY) != 0;
 }
 
-static void append_path(struct fx_path_p *dest, const struct fx_path_p *src)
+static void append_path(struct fx_path_p *dest, const fx_string *src)
 {
-	if (path_is_absolute(src)) {
+	const char *src_cstr = fx_string_get_cstr(src);
+	if (src_cstr[0] == '/') {
 		fx_string_clear(dest->p_pathstr);
-		fx_string_append_s(dest->p_pathstr, src->p_pathstr);
+		fx_string_append_s(dest->p_pathstr, src);
 		return;
 	}
 
 	if (fx_string_get_size(dest->p_pathstr, FX_STRLEN_NORMAL) > 0
 	    && fx_string_get_last_char(dest->p_pathstr) != '/'
-	    && fx_string_get_first_char(src->p_pathstr) != '/') {
-		char s[] = {'/', 0};
-		fx_string_append_cstr(dest->p_pathstr, s);
+	    && fx_string_get_first_char(src) != '/') {
+		fx_string_append_c(dest->p_pathstr, '/');
 	}
 
-	fx_string_append_s(dest->p_pathstr, src->p_pathstr);
+	fx_string_append_s(dest->p_pathstr, src);
 }
 
 static enum fx_status path_unlink(const struct fx_path_p *path)
@@ -199,33 +199,6 @@ fx_path *fx_path_create_root()
 	return path;
 }
 
-fx_path *fx_path_create_cwd()
-{
-	const long buf_len = 2048;
-	char *buf = malloc(buf_len);
-	if (!buf) {
-		return NULL;
-	}
-
-	if (!getcwd(buf, buf_len)) {
-		free(buf);
-		return NULL;
-	}
-
-	fx_path *path = fx_path_create();
-	if (!path) {
-		free(buf);
-		return NULL;
-	}
-
-	struct fx_path_p *p = fx_object_get_private(path, FX_TYPE_PATH);
-
-	fx_string_append_cstr(p->p_pathstr, buf);
-	free(buf);
-
-	return path;
-}
-
 fx_path *fx_path_create_from_cstr(const char *cstr)
 {
 	fx_path *path = fx_path_create();
@@ -258,6 +231,49 @@ fx_path *fx_path_create_from_cstr(const char *cstr)
 	return path;
 }
 
+fx_path *fx_path_get_system(fx_system_path path_type)
+{
+	char path_buf[4096];
+	const char *path_value = NULL, *default_value = NULL;
+	switch (path_type) {
+	case FX_PATH_ROOT:
+		path_value = "/";
+		break;
+	case FX_PATH_CWD:
+		if (getcwd(path_buf, sizeof path_buf) == NULL) {
+			path_value = path_buf;
+		}
+		break;
+	case FX_PATH_HOME:
+		path_value = getenv("HOME");
+		default_value = "~";
+		break;
+	case FX_PATH_CONFIG: {
+		const char *home = getenv("HOME");
+		path_value = getenv("XDG_CONFIG_HOME");
+		snprintf(
+			path_buf,
+			sizeof path_buf,
+			"%s/.config",
+			home ? home : "~");
+		default_value = path_buf;
+		break;
+	}
+	default:
+		return NULL;
+	}
+
+	if (path_value) {
+		return fx_path_create_from_cstr(path_value);
+	}
+
+	if (default_value) {
+		return fx_path_create_from_cstr(default_value);
+	}
+
+	return NULL;
+}
+
 fx_path *fx_path_duplicate(const fx_path *path)
 {
 	fx_path *new_path = fx_path_create();
@@ -277,7 +293,7 @@ fx_path *fx_path_duplicate(const fx_path *path)
 	return new_path;
 }
 
-fx_path *fx_path_join(const fx_path *paths[], size_t nr_paths)
+fx_path *fx_path_join_array(const fx_value *values[], size_t nr_values)
 {
 	fx_path *result = fx_path_create();
 	if (!result) {
@@ -287,14 +303,53 @@ fx_path *fx_path_join(const fx_path *paths[], size_t nr_paths)
 	struct fx_path_p *result_p
 		= fx_object_get_private(result, FX_TYPE_PATH);
 
-	for (size_t i = 0; i < nr_paths; i++) {
-		if (paths[i]) {
-			struct fx_path_p *path_p
-				= fx_object_get_private(paths[i], FX_TYPE_PATH);
-			append_path(result_p, path_p);
+	fx_stringstream *tmp = fx_stringstream_create();
+	fx_string *value_s = fx_string_create();
+	for (size_t i = 0; i < nr_values; i++) {
+		if (!values[i]) {
+			continue;
 		}
+
+		fx_stringstream_reset(tmp);
+		fx_value_to_string(values[i], tmp, NULL);
+
+		fx_string_clear(value_s);
+		fx_string_append_cstr(value_s, fx_stringstream_get_cstr(tmp));
+		append_path(result_p, value_s);
 	}
 
+	fx_string_unref(value_s);
+	fx_stringstream_unref(tmp);
+	return result;
+}
+
+fx_path *fx_path_join_list(size_t count, ...)
+{
+	fx_path *result = fx_path_create();
+	if (!result) {
+		return NULL;
+	}
+
+	struct fx_path_p *result_p
+		= fx_object_get_private(result, FX_TYPE_PATH);
+	va_list arg;
+	va_start(arg, count);
+
+	fx_stringstream *tmp = fx_stringstream_create();
+	fx_string *value_s = fx_string_create();
+	for (size_t i = 0; i < count; i++) {
+		const fx_value *value = va_arg(arg, const fx_value *);
+
+		fx_stringstream_reset(tmp);
+		fx_value_to_string(value, tmp, NULL);
+
+		fx_string_clear(value_s);
+		fx_string_append_cstr(value_s, fx_stringstream_get_cstr(tmp));
+		append_path(result_p, value_s);
+	}
+
+	fx_string_unref(value_s);
+	fx_stringstream_unref(tmp);
 	return result;
 }
 
@@ -363,7 +418,7 @@ enum fx_status fx_path_get_filename(const fx_path *path, fx_string *out_name)
 		out_name);
 }
 
-const char *fx_path_ptr(const fx_path *path)
+const char *fx_path_get_cstr(const fx_path *path)
 {
 	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_ptr, path);
 }
@@ -392,11 +447,18 @@ void path_fini(fx_object *obj, void *priv)
 	fx_string_unref(path->p_pathstr);
 }
 
-void path_to_string(const fx_object *obj, fx_stream *out)
+static fx_status path_to_string(
+	const fx_value *obj,
+	fx_stream *out,
+	const char *format)
 {
-	struct fx_path_p *path = fx_object_get_private(obj, FX_TYPE_PATH);
+	struct fx_path_p *path
+		= fx_object_get_private(obj->v_object, FX_TYPE_PATH);
 
-	fx_stream_write_cstr(out, fx_string_get_cstr(path->p_pathstr), NULL);
+	return fx_stream_write_cstr(
+		out,
+		fx_string_get_cstr(path->p_pathstr),
+		NULL);
 }
 
 /*** CLASS DEFINITION *********************************************************/

fx.io/sys/apple/pipe.c

@@ -0,0 +1,29 @@
+#include "posix.h"
+
+#include <errno.h>
+#include <fx/io/stream.h>
+#include <unistd.h>
+
+fx_status fx_pipe_create(fx_iostream **reader, fx_iostream **writer)
+{
+	int fds[2];
+	int err = pipe(fds);
+	if (err != 0) {
+		return fx_status_from_errno(errno, FX_ERR_NOT_SUPPORTED);
+	}
+
+	fx_iostream *r = fx_iostream_create(FX_STREAM_READ, fds[0], true);
+	fx_iostream *w = fx_iostream_create(FX_STREAM_WRITE, fds[1], true);
+
+	if (!r || !w) {
+		fx_iostream_unref(r);
+		fx_iostream_unref(w);
+		close(fds[0]);
+		close(fds[1]);
+		return FX_ERR_NO_MEMORY;
+	}
+
+	*reader = r;
+	*writer = w;
+	return FX_SUCCESS;
+}

fx.io/sys/apple/stream.c

@@ -0,0 +1,149 @@
+#include "posix.h"
+
+#include <errno.h>
+#include <fx/io/stream.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*** PRIVATE DATA *************************************************************/
+
+struct fx_iostream_p {
+	int s_fd;
+	bool s_fd_close_on_release;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static uptr iostream_get_os_handle(const struct fx_iostream_p *stream)
+{
+	return stream->s_fd;
+}
+
+static uptr iostream_steal_os_handle(struct fx_iostream_p *stream)
+{
+	uptr out = stream->s_fd;
+	stream->s_fd = -1;
+	stream->s_fd_close_on_release = false;
+	return out;
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_iostream *fx_iostream_create(
+	fx_stream_mode mode,
+	uptr os_handle,
+	bool close_handle_on_release)
+{
+	fx_iostream *s = fx_object_create(FX_IO_TYPE_STREAM);
+	if (!s) {
+		return NULL;
+	}
+
+	fx_stream_cfg *cfg = fx_object_get_protected(s, FX_TYPE_STREAM);
+	struct fx_iostream_p *p = fx_object_get_private(s, FX_IO_TYPE_STREAM);
+
+	cfg->s_mode = mode | Z__FX_STREAM_STATIC;
+	p->s_fd = (int)os_handle;
+	p->s_fd_close_on_release = close_handle_on_release;
+
+	return s;
+}
+
+uptr fx_iostream_get_os_handle(const fx_iostream *stream)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_IO_TYPE_STREAM,
+		iostream_get_os_handle,
+		stream);
+}
+
+uptr fx_iostream_steal_os_handle(fx_iostream *stream)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_IO_TYPE_STREAM,
+		iostream_steal_os_handle,
+		stream);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void iostream_init(fx_object *obj, void *priv)
+{
+	struct fx_iostream_p *stream = priv;
+}
+
+static void iostream_fini(fx_object *obj, void *priv)
+{
+	struct fx_iostream_p *stream = priv;
+
+	if (stream->s_fd_close_on_release) {
+		close(stream->s_fd);
+	}
+}
+
+enum fx_status stream_read(
+	fx_stream *stream,
+	void *buf,
+	size_t count,
+	size_t *nr_read)
+{
+	struct fx_iostream_p *s
+		= fx_object_get_private(stream, FX_IO_TYPE_STREAM);
+
+	long r = read(s->s_fd, buf, count);
+	if (r < 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_read = r;
+	return FX_SUCCESS;
+}
+
+enum fx_status stream_write(
+	fx_stream *stream,
+	const void *buf,
+	size_t count,
+	size_t *nr_written)
+{
+	struct fx_iostream_p *s
+		= fx_object_get_private(stream, FX_IO_TYPE_STREAM);
+
+	long w = write(s->s_fd, buf, count);
+	if (w < 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_written = w;
+	return FX_SUCCESS;
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_iostream)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_stream, FX_TYPE_STREAM)
+		FX_INTERFACE_ENTRY(s_close) = NULL;
+		FX_INTERFACE_ENTRY(s_seek) = NULL;
+		FX_INTERFACE_ENTRY(s_tell) = NULL;
+		FX_INTERFACE_ENTRY(s_getc) = NULL;
+		FX_INTERFACE_ENTRY(s_read) = stream_read;
+		FX_INTERFACE_ENTRY(s_write) = stream_write;
+		FX_INTERFACE_ENTRY(s_reserve) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_stream, FX_TYPE_STREAM)
+FX_TYPE_CLASS_END(fx_iostream)
+
+FX_TYPE_DEFINITION_BEGIN(fx_iostream)
+	FX_TYPE_ID(0xc0b1c3c9, 0xa9c6, 0x4910, 0x8786, 0x574b0696e7aa);
+	FX_TYPE_NAME("fx.io.stream");
+	FX_TYPE_EXTENDS(FX_TYPE_STREAM);
+	FX_TYPE_CLASS(fx_iostream_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_iostream_p);
+	FX_TYPE_INSTANCE_INIT(iostream_init);
+	FX_TYPE_INSTANCE_FINI(iostream_fini);
+FX_TYPE_DEFINITION_END(fx_iostream)

fx.io/sys/linux/directory.c

@@ -37,6 +37,7 @@ struct fx_directory_iterator_p {
 	fx_directory *root;
 
 	fx_directory_entry entry;
+	fx_value entry_value;
 };
 
 /*** PRIVATE FUNCTIONS ********************************************************/
@@ -52,12 +53,12 @@ static const fx_path *directory_get_rel_path(const struct fx_directory_p *dir)
 
 static const char *directory_get_path_cstr(const struct fx_directory_p *dir)
 {
-	return fx_path_ptr(dir->d_path_abs);
+	return fx_path_get_cstr(dir->d_path_abs);
 }
 
 static const char *directory_get_rel_path_cstr(const struct fx_directory_p *dir)
 {
-	return fx_path_ptr(dir->d_path_rel);
+	return fx_path_get_cstr(dir->d_path_rel);
 }
 
 static fx_result directory_delete(
@@ -89,12 +90,13 @@ static bool directory_path_exists(
 	const struct fx_directory_p *root,
 	const fx_path *path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&FX_VALUE_OBJECT(path),
 	};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	if (!abs_path) {
 		return false;
 	}
@@ -109,12 +111,13 @@ static bool directory_path_is_file(
 	const struct fx_directory_p *root,
 	const fx_path *path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&FX_VALUE_OBJECT(path),
 	};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	if (!abs_path) {
 		return false;
 	}
@@ -129,12 +132,13 @@ static bool directory_path_is_directory(
 	const struct fx_directory_p *root,
 	const fx_path *path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&FX_VALUE_OBJECT(path),
 	};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	if (!abs_path) {
 		return false;
 	}
@@ -150,12 +154,13 @@ static fx_result directory_path_stat(
 	const fx_path *path,
 	struct fx_file_info *out)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&FX_VALUE_OBJECT(path),
 	};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	if (!abs_path) {
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
@@ -170,12 +175,13 @@ static fx_result directory_path_unlink(
 	const struct fx_directory_p *root,
 	const fx_path *path)
 {
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : NULL,
-		path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&FX_VALUE_OBJECT(path),
 	};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	if (!abs_path) {
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
@@ -263,7 +269,7 @@ static fx_result directory_open(
 
 	int root_fd = root ? root->d_fd : AT_FDCWD;
 
-	const char *path_cstr = fx_path_ptr(path);
+	const char *path_cstr = fx_path_get_cstr(path);
 	if (root) {
 		while (*path_cstr == '/') {
 			path_cstr++;
@@ -297,15 +303,16 @@ static fx_result directory_open(
 		= fx_object_get_private(dir, FX_TYPE_DIRECTORY);
 
 	if (!root) {
-		cwd = fx_path_create_cwd();
+		cwd = fx_path_get_system(FX_PATH_CWD);
 	}
 
-	const fx_path *parts[] = {
-		root ? root->d_path_abs : cwd,
-		path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : cwd),
+		&FX_VALUE_OBJECT(path),
 	};
 
-	fx_path *new_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *new_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	if (!new_path) {
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
@@ -510,6 +517,8 @@ static void update_iterator_data(struct fx_directory_iterator_p *it)
 	fx_path *path = fx_path_create_from_cstr(
 		ent->fts_path + fx_path_length(it->_p->d_path_abs) + 1);
 
+	fx_value_unset(&it->entry_value);
+	it->entry_value = FX_POINTER(&it->entry);
 	it->entry.filename = ent->fts_name;
 	it->entry.filepath = path;
 
@@ -567,7 +576,7 @@ fx_iterator *fx_directory_begin(
 	int fts_flags = FTS_COMFOLLOW | FTS_NOCHDIR;
 
 	const char *path_list[] = {
-		fx_path_ptr(it->_p->d_path_abs),
+		fx_path_get_cstr(it->_p->d_path_abs),
 		NULL,
 	};
 
@@ -616,12 +625,7 @@ fx_iterator *fx_directory_begin(
 	return it_obj;
 }
 
-static fx_iterator *iterator_begin(fx_object *obj)
-{
-	return fx_directory_begin(obj, FX_DIRECTORY_ITERATE_PARENT_FIRST);
-}
-
-static const fx_iterator *iterator_cbegin(const fx_object *obj)
+static const fx_iterator *iterator_begin(const fx_object *obj)
 {
 	return fx_directory_begin(
 		(fx_object *)obj,
@@ -692,20 +696,12 @@ static enum fx_status iterator_erase(fx_iterator *obj)
 	return iterator_move_next(obj);
 }
 
-static fx_iterator_value iterator_get_value(fx_iterator *obj)
+static const fx_value *iterator_get_value(const fx_iterator *obj)
 {
 	struct fx_directory_iterator_p *it
 		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
 
-	return FX_ITERATOR_VALUE_PTR(&it->entry);
-}
-
-static const fx_iterator_value iterator_get_cvalue(const fx_iterator *obj)
-{
-	struct fx_directory_iterator_p *it
-		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
-
-	return FX_ITERATOR_VALUE_CPTR(&it->entry);
+	return &it->entry_value;
 }
 
 /*** CLASS DEFINITION *********************************************************/
@@ -718,7 +714,6 @@ FX_TYPE_CLASS_BEGIN(fx_directory)
 
 	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
 		FX_INTERFACE_ENTRY(it_begin) = iterator_begin;
-		FX_INTERFACE_ENTRY(it_cbegin) = iterator_cbegin;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
 FX_TYPE_CLASS_END(fx_directory)
 
@@ -741,7 +736,6 @@ FX_TYPE_CLASS_BEGIN(fx_directory_iterator)
 		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
 		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
 		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
-		FX_INTERFACE_ENTRY(it_get_cvalue) = iterator_get_cvalue;
 	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
 FX_TYPE_CLASS_END(fx_directory_iterator)
 

fx.io/sys/linux/file.c

@@ -86,13 +86,13 @@ static fx_result file_open_shadow(
 		= fx_path_create_from_cstr(fx_string_get_cstr(filename));
 	fx_string_unref(filename);
 
-	const fx_path *parts[] = {
-		dir,
-		shadow_filename,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(dir),
+		&FX_VALUE_OBJECT(shadow_filename),
 	};
 
 	fx_path *shadow_filepath
-		= fx_path_join(parts, sizeof parts / sizeof parts[0]);
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 	fx_path_unref(dir);
 	fx_path_unref(shadow_filename);
 
@@ -229,12 +229,14 @@ static enum fx_status file_swap_shadow(
 		z__fx_io_generate_tmp_filename(tmp_name, sizeof tmp_name);
 		fx_path *tmp_name_p = fx_path_create_from_cstr(tmp_name);
 
-		const fx_path *parts[] = {
-			dir_path,
-			tmp_name_p,
+		const fx_value *parts[] = {
+			&FX_VALUE_OBJECT(dir_path),
+			&FX_VALUE_OBJECT(tmp_name_p),
 		};
 
-		tmp_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+		tmp_path = fx_path_join_array(
+			parts,
+			sizeof parts / sizeof parts[0]);
 
 		fx_path_unref(tmp_name_p);
 
@@ -250,11 +252,15 @@ static enum fx_status file_swap_shadow(
 
 	int err;
 
-	err = rename(fx_path_ptr(main_file->path), fx_path_ptr(tmp_path));
 	err = rename(
-		fx_path_ptr(shadow_file->path),
-		fx_path_ptr(main_file->path));
-	err = rename(fx_path_ptr(tmp_path), fx_path_ptr(shadow_file->path));
+		fx_path_get_cstr(main_file->path),
+		fx_path_get_cstr(tmp_path));
+	err = rename(
+		fx_path_get_cstr(shadow_file->path),
+		fx_path_get_cstr(main_file->path));
+	err = rename(
+		fx_path_get_cstr(tmp_path),
+		fx_path_get_cstr(shadow_file->path));
 
 	fx_path_unref(tmp_path);
 
@@ -424,16 +430,17 @@ fx_result fx_file_open(
 	if (root) {
 		root_path = fx_directory_get_path(root);
 	} else {
-		root_path = fx_path_create_cwd();
+		root_path = fx_path_get_system(FX_PATH_CWD);
 		free_root_path = true;
 	}
 
-	const fx_path *parts[] = {
-		root_path,
-		file_path,
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root_path),
+		&FX_VALUE_OBJECT(file_path),
 	};
 
-	fx_path *abs_path = fx_path_join(parts, sizeof parts / sizeof parts[0]);
+	fx_path *abs_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
 
 	if (free_root_path) {
 		fx_path_unref((fx_path *)root_path);
@@ -443,7 +450,7 @@ fx_result fx_file_open(
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
 
-	int fd = open(fx_path_ptr(abs_path), flags, 0644);
+	int fd = open(fx_path_get_cstr(abs_path), flags, 0644);
 	if (fd == -1) {
 		fx_path_unref(abs_path);
 		return FX_RESULT_STATUS(

fx.io/sys/linux/path.c

@@ -91,22 +91,22 @@ static bool path_is_directory(const struct fx_path_p *path)
 	return (info.attrib & FX_FILE_ATTRIB_DIRECTORY) != 0;
 }
 
-static void append_path(struct fx_path_p *dest, const struct fx_path_p *src)
+static void append_path(struct fx_path_p *dest, const fx_string *src)
 {
-	if (path_is_absolute(src)) {
+	const char *src_cstr = fx_string_get_cstr(src);
+	if (src_cstr[0] == '/') {
 		fx_string_clear(dest->p_pathstr);
-		fx_string_append_s(dest->p_pathstr, src->p_pathstr);
+		fx_string_append_s(dest->p_pathstr, src);
 		return;
 	}
 
 	if (fx_string_get_size(dest->p_pathstr, FX_STRLEN_NORMAL) > 0
 	    && fx_string_get_last_char(dest->p_pathstr) != '/'
-	    && fx_string_get_first_char(src->p_pathstr) != '/') {
-		char s[] = {'/', 0};
-		fx_string_append_cstr(dest->p_pathstr, s);
+	    && fx_string_get_first_char(src) != '/') {
+		fx_string_append_c(dest->p_pathstr, '/');
 	}
 
-	fx_string_append_s(dest->p_pathstr, src->p_pathstr);
+	fx_string_append_s(dest->p_pathstr, src);
 }
 
 static enum fx_status path_unlink(const struct fx_path_p *path)
@@ -199,33 +199,6 @@ fx_path *fx_path_create_root()
 	return path;
 }
 
-fx_path *fx_path_create_cwd()
-{
-	const long buf_len = 2048;
-	char *buf = malloc(buf_len);
-	if (!buf) {
-		return NULL;
-	}
-
-	if (!getcwd(buf, buf_len)) {
-		free(buf);
-		return NULL;
-	}
-
-	fx_path *path = fx_path_create();
-	if (!path) {
-		free(buf);
-		return NULL;
-	}
-
-	struct fx_path_p *p = fx_object_get_private(path, FX_TYPE_PATH);
-
-	fx_string_append_cstr(p->p_pathstr, buf);
-	free(buf);
-
-	return path;
-}
-
 fx_path *fx_path_create_from_cstr(const char *cstr)
 {
 	fx_path *path = fx_path_create();
@@ -258,6 +231,49 @@ fx_path *fx_path_create_from_cstr(const char *cstr)
 	return path;
 }
 
+fx_path *fx_path_get_system(fx_system_path path_type)
+{
+	char path_buf[4096];
+	const char *path_value = NULL, *default_value = NULL;
+	switch (path_type) {
+	case FX_PATH_ROOT:
+		path_value = "/";
+		break;
+	case FX_PATH_CWD:
+		if (getcwd(path_buf, sizeof path_buf) == NULL) {
+			path_value = path_buf;
+		}
+		break;
+	case FX_PATH_HOME:
+		path_value = getenv("HOME");
+		default_value = "~";
+		break;
+	case FX_PATH_CONFIG: {
+		const char *home = getenv("HOME");
+		path_value = getenv("XDG_CONFIG_HOME");
+		snprintf(
+			path_buf,
+			sizeof path_buf,
+			"%s/.config",
+			home ? home : "~");
+		default_value = path_buf;
+		break;
+	}
+	default:
+		return NULL;
+	}
+
+	if (path_value) {
+		return fx_path_create_from_cstr(path_value);
+	}
+
+	if (default_value) {
+		return fx_path_create_from_cstr(default_value);
+	}
+
+	return NULL;
+}
+
 fx_path *fx_path_duplicate(const fx_path *path)
 {
 	fx_path *new_path = fx_path_create();
@@ -277,7 +293,7 @@ fx_path *fx_path_duplicate(const fx_path *path)
 	return new_path;
 }
 
-fx_path *fx_path_join(const fx_path *paths[], size_t nr_paths)
+fx_path *fx_path_join_array(const fx_value *values[], size_t nr_values)
 {
 	fx_path *result = fx_path_create();
 	if (!result) {
@@ -287,14 +303,53 @@ fx_path *fx_path_join(const fx_path *paths[], size_t nr_paths)
 	struct fx_path_p *result_p
 		= fx_object_get_private(result, FX_TYPE_PATH);
 
-	for (size_t i = 0; i < nr_paths; i++) {
-		if (paths[i]) {
-			struct fx_path_p *path_p
-				= fx_object_get_private(paths[i], FX_TYPE_PATH);
-			append_path(result_p, path_p);
+	fx_stringstream *tmp = fx_stringstream_create();
+	fx_string *value_s = fx_string_create();
+	for (size_t i = 0; i < nr_values; i++) {
+		if (!values[i]) {
+			continue;
 		}
+
+		fx_stringstream_reset(tmp);
+		fx_value_to_string(values[i], tmp, NULL);
+
+		fx_string_clear(value_s);
+		fx_string_append_cstr(value_s, fx_stringstream_get_cstr(tmp));
+		append_path(result_p, value_s);
 	}
 
+	fx_string_unref(value_s);
+	fx_stringstream_unref(tmp);
+	return result;
+}
+
+fx_path *fx_path_join_list(size_t count, ...)
+{
+	fx_path *result = fx_path_create();
+	if (!result) {
+		return NULL;
+	}
+
+	struct fx_path_p *result_p
+		= fx_object_get_private(result, FX_TYPE_PATH);
+	va_list arg;
+	va_start(arg, count);
+
+	fx_stringstream *tmp = fx_stringstream_create();
+	fx_string *value_s = fx_string_create();
+	for (size_t i = 0; i < count; i++) {
+		const fx_value *value = va_arg(arg, const fx_value *);
+
+		fx_stringstream_reset(tmp);
+		fx_value_to_string(value, tmp, NULL);
+
+		fx_string_clear(value_s);
+		fx_string_append_cstr(value_s, fx_stringstream_get_cstr(tmp));
+		append_path(result_p, value_s);
+	}
+
+	fx_string_unref(value_s);
+	fx_stringstream_unref(tmp);
 	return result;
 }
 
@@ -363,7 +418,7 @@ enum fx_status fx_path_get_filename(const fx_path *path, fx_string *out_name)
 		out_name);
 }
 
-const char *fx_path_ptr(const fx_path *path)
+const char *fx_path_get_cstr(const fx_path *path)
 {
 	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_ptr, path);
 }
@@ -392,11 +447,18 @@ void path_fini(fx_object *obj, void *priv)
 	fx_string_unref(path->p_pathstr);
 }
 
-void path_to_string(const fx_object *obj, fx_stream *out)
+static fx_status path_to_string(
+	const fx_value *obj,
+	fx_stream *out,
+	const char *format)
 {
-	struct fx_path_p *path = fx_object_get_private(obj, FX_TYPE_PATH);
+	struct fx_path_p *path
+		= fx_object_get_private(obj->v_object, FX_TYPE_PATH);
 
-	fx_stream_write_cstr(out, fx_string_get_cstr(path->p_pathstr), NULL);
+	return fx_stream_write_cstr(
+		out,
+		fx_string_get_cstr(path->p_pathstr),
+		NULL);
 }
 
 /*** CLASS DEFINITION *********************************************************/

fx.io/sys/linux/pipe.c

@@ -0,0 +1,29 @@
+#include "posix.h"
+
+#include <errno.h>
+#include <fx/io/stream.h>
+#include <unistd.h>
+
+fx_status fx_pipe_create(fx_iostream **reader, fx_iostream **writer)
+{
+	int fds[2];
+	int err = pipe(fds);
+	if (err != 0) {
+		return fx_status_from_errno(errno, FX_ERR_NOT_SUPPORTED);
+	}
+
+	fx_iostream *r = fx_iostream_create(FX_STREAM_READ, fds[0], true);
+	fx_iostream *w = fx_iostream_create(FX_STREAM_WRITE, fds[1], true);
+
+	if (!r || !w) {
+		fx_iostream_unref(r);
+		fx_iostream_unref(w);
+		close(fds[0]);
+		close(fds[1]);
+		return FX_ERR_NO_MEMORY;
+	}
+
+	*reader = r;
+	*writer = w;
+	return FX_SUCCESS;
+}

fx.io/sys/linux/stream.c

@@ -0,0 +1,149 @@
+#include "posix.h"
+
+#include <errno.h>
+#include <fx/io/stream.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*** PRIVATE DATA *************************************************************/
+
+struct fx_iostream_p {
+	int s_fd;
+	bool s_fd_close_on_release;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static uptr iostream_get_os_handle(const struct fx_iostream_p *stream)
+{
+	return stream->s_fd;
+}
+
+static uptr iostream_steal_os_handle(struct fx_iostream_p *stream)
+{
+	uptr out = stream->s_fd;
+	stream->s_fd = -1;
+	stream->s_fd_close_on_release = false;
+	return out;
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_iostream *fx_iostream_create(
+	fx_stream_mode mode,
+	uptr os_handle,
+	bool close_handle_on_release)
+{
+	fx_iostream *s = fx_object_create(FX_IO_TYPE_STREAM);
+	if (!s) {
+		return NULL;
+	}
+
+	fx_stream_cfg *cfg = fx_object_get_protected(s, FX_TYPE_STREAM);
+	struct fx_iostream_p *p = fx_object_get_private(s, FX_IO_TYPE_STREAM);
+
+	cfg->s_mode = mode | Z__FX_STREAM_STATIC;
+	p->s_fd = (int)os_handle;
+	p->s_fd_close_on_release = close_handle_on_release;
+
+	return s;
+}
+
+uptr fx_iostream_get_os_handle(const fx_iostream *stream)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_IO_TYPE_STREAM,
+		iostream_get_os_handle,
+		stream);
+}
+
+uptr fx_iostream_steal_os_handle(fx_iostream *stream)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_IO_TYPE_STREAM,
+		iostream_steal_os_handle,
+		stream);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void iostream_init(fx_object *obj, void *priv)
+{
+	struct fx_iostream_p *stream = priv;
+}
+
+static void iostream_fini(fx_object *obj, void *priv)
+{
+	struct fx_iostream_p *stream = priv;
+
+	if (stream->s_fd_close_on_release) {
+		close(stream->s_fd);
+	}
+}
+
+static enum fx_status stream_read(
+	fx_stream *stream,
+	void *buf,
+	size_t count,
+	size_t *nr_read)
+{
+	struct fx_iostream_p *s
+		= fx_object_get_private(stream, FX_IO_TYPE_STREAM);
+
+	long r = read(s->s_fd, buf, count);
+	if (r < 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_read = r;
+	return FX_SUCCESS;
+}
+
+static enum fx_status stream_write(
+	fx_stream *stream,
+	const void *buf,
+	size_t count,
+	size_t *nr_written)
+{
+	struct fx_iostream_p *s
+		= fx_object_get_private(stream, FX_IO_TYPE_STREAM);
+
+	long w = write(s->s_fd, buf, count);
+	if (w < 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_written = w;
+	return FX_SUCCESS;
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_iostream)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_stream, FX_TYPE_STREAM)
+		FX_INTERFACE_ENTRY(s_close) = NULL;
+		FX_INTERFACE_ENTRY(s_seek) = NULL;
+		FX_INTERFACE_ENTRY(s_tell) = NULL;
+		FX_INTERFACE_ENTRY(s_getc) = NULL;
+		FX_INTERFACE_ENTRY(s_read) = stream_read;
+		FX_INTERFACE_ENTRY(s_write) = stream_write;
+		FX_INTERFACE_ENTRY(s_reserve) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_stream, FX_TYPE_STREAM)
+FX_TYPE_CLASS_END(fx_iostream)
+
+FX_TYPE_DEFINITION_BEGIN(fx_iostream)
+	FX_TYPE_ID(0xc0b1c3c9, 0xa9c6, 0x4910, 0x8786, 0x574b0696e7aa);
+	FX_TYPE_NAME("fx.io.stream");
+	FX_TYPE_EXTENDS(FX_TYPE_STREAM);
+	FX_TYPE_CLASS(fx_iostream_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_iostream_p);
+	FX_TYPE_INSTANCE_INIT(iostream_init);
+	FX_TYPE_INSTANCE_FINI(iostream_fini);
+FX_TYPE_DEFINITION_END(fx_iostream)

fx.io/sys/rosetta/directory.c

@@ -0,0 +1,759 @@
+#define _POSIX_C_SOURCE 200809L
+
+#include "misc.h"
+#include "posix.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <fx/error.h>
+#include <fx/io/directory.h>
+#include <fx/string.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*** PRIVATE DATA *************************************************************/
+
+enum directory_flags {
+	DIRECTORY_DELETE_ON_CLOSE = 0x01u,
+};
+
+struct fx_directory_p {
+	enum directory_flags d_flags;
+	int d_fd;
+	fx_path *d_path_rel;
+	fx_path *d_path_abs;
+};
+
+struct fx_directory_iterator_p {
+	struct fx_directory_p *_p;
+
+#if 0
+	FTS *fts;
+	FTSENT *ent;
+#endif
+
+	fx_directory_iterator_flags flags;
+	fx_directory *root;
+
+	fx_directory_entry entry;
+	fx_value entry_value;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+static const fx_path *directory_get_path(const struct fx_directory_p *dir)
+{
+	return dir->d_path_abs;
+}
+
+static const fx_path *directory_get_rel_path(const struct fx_directory_p *dir)
+{
+	return dir->d_path_rel;
+}
+
+static const char *directory_get_path_cstr(const struct fx_directory_p *dir)
+{
+	return fx_path_get_cstr(dir->d_path_abs);
+}
+
+static const char *directory_get_rel_path_cstr(const struct fx_directory_p *dir)
+{
+	return fx_path_get_cstr(dir->d_path_rel);
+}
+
+static fx_result directory_delete(
+	fx_directory *dir,
+	struct fx_directory_p *dir_p)
+{
+	enum fx_status status = FX_SUCCESS;
+
+	fx_iterator *it
+		= fx_directory_begin(dir, FX_DIRECTORY_ITERATE_PARENT_LAST);
+	while (FX_OK(fx_iterator_get_status(it))) {
+		fx_iterator_erase(it);
+	}
+
+	status = fx_iterator_get_status(it);
+	if (!FX_OK(status) && status != FX_ERR_NO_DATA) {
+		return FX_RESULT_STATUS(status);
+	}
+
+	status = fx_path_unlink(dir_p->d_path_abs);
+	if (!FX_OK(status)) {
+		return FX_RESULT_STATUS(status);
+	}
+
+	return FX_RESULT_SUCCESS;
+}
+
+static bool directory_path_exists(
+	const struct fx_directory_p *root,
+	fx_value path)
+{
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
+	if (!abs_path) {
+		return false;
+	}
+
+	bool result = fx_path_exists(abs_path);
+	fx_path_unref(abs_path);
+
+	return result;
+}
+
+static bool directory_path_is_file(
+	const struct fx_directory_p *root,
+	fx_value path)
+{
+	const fx_value *parts[] = {};
+
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
+	if (!abs_path) {
+		return false;
+	}
+
+	bool result = fx_path_is_file(abs_path);
+	fx_path_unref(abs_path);
+
+	return result;
+}
+
+static bool directory_path_is_directory(
+	const struct fx_directory_p *root,
+	fx_value path)
+{
+	const fx_value *parts[] = {};
+
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
+	if (!abs_path) {
+		return false;
+	}
+
+	bool result = fx_path_is_directory(abs_path);
+	fx_path_unref(abs_path);
+
+	return result;
+}
+
+static fx_result directory_path_stat(
+	const struct fx_directory_p *root,
+	fx_value path,
+	struct fx_file_info *out)
+{
+	const fx_value *parts[] = {};
+
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
+	if (!abs_path) {
+		return FX_RESULT_ERR(NO_MEMORY);
+	}
+
+	enum fx_status status = fx_path_stat(abs_path, out);
+	fx_path_unref(abs_path);
+
+	return FX_RESULT_STATUS(status);
+}
+
+static fx_result directory_path_unlink(
+	const struct fx_directory_p *root,
+	fx_value path)
+{
+	const fx_value *parts[] = {};
+
+	fx_path *abs_path = fx_path_join_list(
+		2,
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : NULL),
+		&path);
+	if (!abs_path) {
+		return FX_RESULT_ERR(NO_MEMORY);
+	}
+
+	enum fx_status status = fx_path_unlink(abs_path);
+	fx_path_unref(abs_path);
+
+	return FX_RESULT_STATUS(status);
+}
+
+static fx_result create_directory(struct fx_directory_p *root, const char *path)
+{
+#if 0
+	int root_fd = root ? root->d_fd : -1;
+	int err;
+
+	if (root_fd == -1) {
+		err = mkdir(path, 0755);
+	} else {
+		err = mkdirat(root_fd, path, 0755);
+	}
+
+	if (err == 0 || errno == EEXIST) {
+		return FX_RESULT_SUCCESS;
+	}
+
+	return fx_result_from_errno_with_subfilepath(
+		errno,
+		path,
+		directory_get_rel_path_cstr(root),
+		FX_ERR_IO_FAILURE);
+#endif
+	return FX_RESULT_ERR(NOT_SUPPORTED);
+}
+
+static fx_result create_directory_hierarchy(
+	struct fx_directory_p *root,
+	const char *path)
+{
+#if 0
+	int root_fd = root ? root->d_fd : AT_FDCWD;
+
+	char *path_buf = fx_strdup(path);
+	if (!path_buf) {
+		return FX_RESULT_ERR(NO_MEMORY);
+	}
+
+	fx_result result = FX_RESULT_SUCCESS;
+	for (size_t i = 0; path_buf[i]; i++) {
+		if (path_buf[i] != '/') {
+			continue;
+		}
+
+		path_buf[i] = 0;
+
+		int err = mkdirat(root_fd, path_buf, 0755);
+		if (err != 0 && errno != EEXIST) {
+			result = fx_result_from_errno_with_subfilepath(
+				errno,
+				path_buf,
+				directory_get_rel_path_cstr(root),
+				FX_ERR_IO_FAILURE);
+			break;
+		}
+
+		path_buf[i] = '/';
+	}
+
+	int err = mkdirat(root_fd, path_buf, 0755);
+	if (err != 0 && errno != EEXIST) {
+		result = fx_result_from_errno_with_subfilepath(
+			errno,
+			path_buf,
+			directory_get_rel_path_cstr(root),
+			FX_ERR_IO_FAILURE);
+	}
+
+	free(path_buf);
+	return result;
+#endif
+	return FX_RESULT_ERR(NOT_SUPPORTED);
+}
+
+static fx_result directory_open(
+	struct fx_directory_p *root,
+	fx_value path,
+	fx_directory_open_flags flags,
+	fx_directory **out)
+{
+#if 0
+	enum fx_status status = FX_SUCCESS;
+
+	int root_fd = root ? root->d_fd : AT_FDCWD;
+
+	fx_stringstream *path_str = fx_stringstream_create();
+	fx_value_to_string(&path, path_str, NULL);
+	const char *path_cstr = fx_stringstream_get_cstr(path_str);
+
+	if (root) {
+		while (*path_cstr == '/') {
+			path_cstr++;
+		}
+	}
+
+	fx_result result = FX_RESULT_SUCCESS;
+	if ((flags & FX_DIRECTORY_OPEN_CREATE_INTERMEDIATE)
+	    == FX_DIRECTORY_OPEN_CREATE_INTERMEDIATE) {
+		result = create_directory_hierarchy(root, path_cstr);
+	} else if (
+		(flags & FX_DIRECTORY_OPEN_CREATE)
+		== FX_DIRECTORY_OPEN_CREATE) {
+		result = create_directory(root, path_cstr);
+	}
+
+	if (fx_result_is_error(result)) {
+		return fx_result_propagate(result);
+	}
+
+	int fd = openat(root_fd, path_cstr, O_DIRECTORY);
+
+	if (fd == -1) {
+		status = fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+		return FX_RESULT_STATUS(status);
+	}
+
+	fx_directory *dir = fx_object_create(FX_TYPE_DIRECTORY);
+	fx_path *cwd = NULL;
+	struct fx_directory_p *p
+		= fx_object_get_private(dir, FX_TYPE_DIRECTORY);
+
+	if (!root) {
+		cwd = fx_path_get_system(FX_PATH_CWD);
+	}
+
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(root ? root->d_path_abs : cwd),
+		&FX_CSTR(path_cstr),
+	};
+
+	fx_path *new_path
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
+	if (!new_path) {
+		fx_stringstream_unref(path_str);
+		return FX_RESULT_ERR(NO_MEMORY);
+	}
+
+	if (cwd) {
+		fx_path_unref(cwd);
+	}
+
+	p->d_path_abs = new_path;
+	p->d_path_rel = fx_path_create_from_cstr(path_cstr);
+	p->d_fd = fd;
+
+	if (flags & FX_DIRECTORY_OPEN_DELETE_ON_CLOSE) {
+		p->d_flags = DIRECTORY_DELETE_ON_CLOSE;
+	}
+
+	*out = dir;
+	fx_stringstream_unref(path_str);
+
+	return FX_RESULT_SUCCESS;
+#endif
+	return FX_RESULT_ERR(NOT_SUPPORTED);
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_result fx_directory_open(
+	fx_directory *root,
+	fx_value path,
+	fx_directory_open_flags flags,
+	fx_directory **out)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_DIRECTORY,
+		directory_open,
+		root,
+		path,
+		flags,
+		out);
+}
+
+fx_result fx_directory_open_temp(fx_directory **out)
+{
+	char name[16];
+	char path[128];
+
+	while (1) {
+		z__fx_io_generate_tmp_filename(name, sizeof name);
+		snprintf(path, sizeof path, "/tmp/%s", name);
+
+		fx_directory *dir = NULL;
+		fx_result status = fx_directory_open(
+			FX_DIRECTORY_ROOT,
+			FX_CSTR(path),
+			FX_DIRECTORY_OPEN_CREATE,
+			&dir);
+		struct fx_directory_p *p
+			= fx_object_get_private(dir, FX_TYPE_DIRECTORY);
+
+		if (fx_error_get_status_code(status) == FX_ERR_NAME_EXISTS) {
+			continue;
+		}
+
+		if (dir) {
+			p->d_flags |= DIRECTORY_DELETE_ON_CLOSE;
+		}
+
+		*out = dir;
+		return status;
+	}
+}
+
+const fx_path *fx_directory_get_path(const fx_directory *dir)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_DIRECTORY, directory_get_path, dir);
+}
+
+const fx_path *fx_directory_get_rel_path(const fx_directory *dir)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_TYPE_DIRECTORY,
+		directory_get_rel_path,
+		dir);
+}
+
+const char *fx_directory_get_path_cstr(const fx_directory *dir)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_TYPE_DIRECTORY,
+		directory_get_path_cstr,
+		dir);
+}
+
+const char *fx_directory_get_rel_path_cstr(const fx_directory *dir)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_TYPE_DIRECTORY,
+		directory_get_rel_path_cstr,
+		dir);
+}
+
+fx_result fx_directory_delete(fx_directory *dir)
+{
+	struct fx_directory_p *p
+		= fx_object_get_private(dir, FX_TYPE_DIRECTORY);
+	p->d_flags |= DIRECTORY_DELETE_ON_CLOSE;
+	/* TODO allow object release functions to return a fx_result value */
+	fx_directory_unref(dir);
+	return FX_RESULT_SUCCESS;
+}
+
+bool fx_directory_path_exists(const fx_directory *root, fx_value path)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_DIRECTORY,
+		directory_path_exists,
+		root,
+		path);
+}
+
+bool fx_directory_path_is_file(const fx_directory *root, fx_value path)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_DIRECTORY,
+		directory_path_is_file,
+		root,
+		path);
+}
+
+bool fx_directory_path_is_directory(const fx_directory *root, fx_value path)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_DIRECTORY,
+		directory_path_is_directory,
+		root,
+		path);
+}
+
+fx_result fx_directory_path_stat(
+	const fx_directory *root,
+	fx_value path,
+	struct fx_file_info *out)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_DIRECTORY,
+		directory_path_stat,
+		root,
+		path,
+		out);
+}
+
+fx_result fx_directory_path_unlink(const fx_directory *root, fx_value path)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_DIRECTORY,
+		directory_path_unlink,
+		root,
+		path);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void directory_init(fx_object *obj, void *priv)
+{
+	struct fx_directory_p *dir = priv;
+}
+
+static void directory_fini(fx_object *obj, void *priv)
+{
+	struct fx_directory_p *dir = priv;
+
+	close(dir->d_fd);
+
+	if (dir->d_flags & DIRECTORY_DELETE_ON_CLOSE) {
+		directory_delete(obj, dir);
+	}
+
+	fx_path_unref(dir->d_path_abs);
+}
+
+/*** ITERATOR FUNCTIONS *******************************************************/
+
+#if 0
+static int ftsent_compare(const FTSENT **one, const FTSENT **two)
+{
+	return (strcmp((*one)->fts_name, (*two)->fts_name));
+}
+#endif
+
+static void update_iterator_data(struct fx_directory_iterator_p *it)
+{
+	if (it->entry.filepath) {
+		fx_path_unref((fx_path *)it->entry.filepath);
+		it->entry.filepath = NULL;
+	}
+
+#if 0
+	FTSENT *ent = it->ent;
+
+	fx_path *path = fx_path_create_from_cstr(
+		ent->fts_path + fx_path_length(it->_p->d_path_abs) + 1);
+
+	fx_value_unset(&it->entry_value);
+	it->entry_value = FX_POINTER(&it->entry);
+	it->entry.filename = ent->fts_name;
+	it->entry.filepath = path;
+
+	memset(&it->entry.info, 0x0, sizeof it->entry.info);
+
+	it->entry.info.length = ent->fts_statp->st_size;
+
+	if (S_ISREG(ent->fts_statp->st_mode)) {
+		it->entry.info.attrib |= FX_FILE_ATTRIB_NORMAL;
+	}
+
+	if (S_ISDIR(ent->fts_statp->st_mode)) {
+		it->entry.info.attrib |= FX_FILE_ATTRIB_DIRECTORY;
+	}
+
+	if (S_ISBLK(ent->fts_statp->st_mode)) {
+		it->entry.info.attrib |= FX_FILE_ATTRIB_BLOCK_DEVICE;
+	}
+
+	if (S_ISCHR(ent->fts_statp->st_mode)) {
+		it->entry.info.attrib |= FX_FILE_ATTRIB_CHAR_DEVICE;
+	}
+
+	if (S_ISLNK(ent->fts_statp->st_mode)) {
+		it->entry.info.attrib |= FX_FILE_ATTRIB_SYMLINK;
+	}
+#endif
+}
+
+static void iterator_fini(fx_object *obj, void *priv)
+{
+	struct fx_directory_iterator_p *it = priv;
+
+	if (it->entry.filepath) {
+		fx_path_unref((fx_path *)it->entry.filepath);
+		it->entry.filepath = NULL;
+	}
+
+#if 0
+	if (it->fts) {
+		fts_close(it->fts);
+	}
+#endif
+}
+
+fx_iterator *fx_directory_begin(
+	fx_directory *directory,
+	enum fx_directory_iterator_flags flags)
+{
+#if 0
+	fx_iterator *it_obj = fx_object_create(FX_TYPE_DIRECTORY_ITERATOR);
+	struct fx_directory_iterator_p *it
+		= fx_object_get_private(it_obj, FX_TYPE_DIRECTORY_ITERATOR);
+
+	it->flags = flags;
+	it->root = directory;
+	it->_p = fx_object_get_private(directory, FX_TYPE_DIRECTORY);
+
+	int fts_flags = FTS_COMFOLLOW | FTS_NOCHDIR;
+
+	const char *path_list[] = {
+		fx_path_get_cstr(it->_p->d_path_abs),
+		NULL,
+	};
+
+	it->fts = fts_open((char *const *)path_list, fts_flags, ftsent_compare);
+
+	bool done = false;
+
+	while (!done) {
+		it->ent = fts_read(it->fts);
+
+		if (!it->ent) {
+			fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
+			return it_obj;
+		}
+
+		if (it->ent->fts_level == 0) {
+			continue;
+		}
+
+		switch (it->ent->fts_info) {
+		case FTS_DOT:
+			continue;
+		case FTS_F:
+			done = true;
+			break;
+		case FTS_D:
+			if (it->flags & FX_DIRECTORY_ITERATE_PARENT_LAST) {
+				continue;
+			}
+
+			done = true;
+			break;
+		case FTS_DP:
+			if (it->flags & FX_DIRECTORY_ITERATE_PARENT_FIRST) {
+				continue;
+			}
+			done = true;
+			break;
+		default:
+			done = true;
+			break;
+		}
+	}
+
+	update_iterator_data(it);
+	return it_obj;
+#endif
+	return NULL;
+}
+
+static const fx_iterator *iterator_begin(const fx_object *obj)
+{
+	return fx_directory_begin(
+		(fx_object *)obj,
+		FX_DIRECTORY_ITERATE_PARENT_FIRST);
+}
+
+static enum fx_status iterator_move_next(const fx_iterator *obj)
+{
+#if 0
+	struct fx_directory_iterator_p *it
+		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
+	if (!it || !it->fts) {
+		return FX_ERR_NO_DATA;
+	}
+
+	bool done = false;
+
+	while (!done) {
+		it->ent = fts_read(it->fts);
+
+		if (!it->ent) {
+			return FX_ERR_NO_DATA;
+		}
+
+		if (it->ent->fts_level == 0) {
+			continue;
+		}
+
+		switch (it->ent->fts_info) {
+		case FTS_DOT:
+			continue;
+		case FTS_F:
+			done = true;
+			break;
+		case FTS_D:
+			if (it->flags & FX_DIRECTORY_ITERATE_PARENT_LAST) {
+				continue;
+			}
+			done = true;
+			break;
+		case FTS_DP:
+			if (it->flags & FX_DIRECTORY_ITERATE_PARENT_FIRST) {
+				continue;
+			}
+			done = true;
+			break;
+		default:
+			done = true;
+			break;
+		}
+	}
+
+	update_iterator_data(it);
+	return FX_SUCCESS;
+#endif
+	return FX_ERR_NOT_SUPPORTED;
+}
+
+static enum fx_status iterator_erase(fx_iterator *obj)
+{
+	struct fx_directory_iterator_p *it
+		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
+	fx_result result = fx_directory_path_unlink(
+		it->root,
+		FX_VALUE_OBJECT(it->entry.filepath));
+	if (fx_result_is_error(result)) {
+		enum fx_status status = fx_error_get_status_code(result);
+		fx_error_discard(result);
+		return status;
+	}
+
+	return iterator_move_next(obj);
+}
+
+static const fx_value *iterator_get_value(const fx_iterator *obj)
+{
+	struct fx_directory_iterator_p *it
+		= fx_object_get_private(obj, FX_TYPE_DIRECTORY_ITERATOR);
+
+	return &it->entry_value;
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+// ---- fx_directory DEFINITION
+FX_TYPE_CLASS_BEGIN(fx_directory)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterable, FX_TYPE_ITERABLE)
+		FX_INTERFACE_ENTRY(it_begin) = iterator_begin;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterable, FX_TYPE_ITERABLE)
+FX_TYPE_CLASS_END(fx_directory)
+
+FX_TYPE_DEFINITION_BEGIN(fx_directory)
+	FX_TYPE_ID(0x10d36546, 0x7f96, 0x464b, 0xbc4d, 0xe504b283fa45);
+	FX_TYPE_CLASS(fx_directory_class);
+	FX_TYPE_IMPLEMENTS(FX_TYPE_ITERABLE);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_directory_p);
+	FX_TYPE_INSTANCE_INIT(directory_init);
+	FX_TYPE_INSTANCE_FINI(directory_fini);
+FX_TYPE_DEFINITION_END(fx_directory)
+
+// ---- fx_directory_iterator DEFINITION
+FX_TYPE_CLASS_BEGIN(fx_directory_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = iterator_move_next;
+		FX_INTERFACE_ENTRY(it_erase) = iterator_erase;
+		FX_INTERFACE_ENTRY(it_get_value) = iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_directory_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_directory_iterator)
+	FX_TYPE_ID(0xc707fce6, 0xc895, 0x4925, 0x8700, 0xa60641dee0cc);
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_directory_iterator_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_directory_iterator_p);
+FX_TYPE_DEFINITION_END(fx_directory_iterator)

fx.io/sys/rosetta/file.c

@@ -0,0 +1,653 @@
+#define _POSIX_C_SOURCE 200809L
+
+#include "misc.h"
+#include "posix.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <fx/io/directory.h>
+#include <fx/io/file.h>
+#include <fx/io/path.h>
+#include <fx/random.h>
+#include <fx/string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define CHECK_FLAG(v, f) (((v) & (f)) == (f))
+
+static enum fx_status stream_close(fx_stream *);
+static enum fx_status stream_getc(fx_stream *, int *);
+static enum fx_status stream_read(fx_stream *, void *, size_t, size_t *);
+static enum fx_status stream_write(fx_stream *, const void *, size_t, size_t *);
+static enum fx_status stream_seek(
+	fx_stream *,
+	long long,
+	fx_stream_seek_origin);
+static enum fx_status stream_tell(const fx_stream *, size_t *);
+
+/*** PRIVATE DATA *************************************************************/
+
+struct fx_file_p {
+	enum fx_file_mode mode;
+	int fd;
+	fx_path *path;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static unsigned int fx_mode_to_unix_mode(enum fx_file_mode mode)
+{
+	unsigned int result = 0;
+
+	if (CHECK_FLAG(mode, FX_FILE_READ_WRITE)) {
+		result |= O_RDWR;
+	} else if (CHECK_FLAG(mode, FX_FILE_READ_ONLY)) {
+		result |= O_RDONLY;
+	} else if (CHECK_FLAG(mode, FX_FILE_WRITE_ONLY)) {
+		result |= O_WRONLY;
+	} else {
+		return (unsigned int)-1;
+	}
+
+	if (CHECK_FLAG(mode, FX_FILE_TRUNCATE)) {
+		result |= O_TRUNC;
+	}
+
+	if (CHECK_FLAG(mode, FX_FILE_CREATE)) {
+		result |= O_CREAT;
+	}
+
+	if (CHECK_FLAG(mode, FX_FILE_CREATE_ONLY)) {
+		result |= O_EXCL;
+	}
+
+	return result;
+}
+
+static fx_result file_open_shadow(
+	struct fx_file_p *original,
+	enum fx_file_mode mode,
+	fx_file **out)
+{
+	mode |= FX_FILE_SHADOW | FX_FILE_DELETE_ON_CLOSE | FX_FILE_CREATE;
+
+	fx_path *dir;
+	fx_path_get_directory(original->path, &dir);
+
+	fx_string *filename = fx_string_create();
+	fx_path_get_filename(original->path, filename);
+
+	fx_string_prepend_cstr(filename, ".~");
+
+	fx_path *shadow_filename
+		= fx_path_create_from_cstr(fx_string_get_cstr(filename));
+	fx_string_unref(filename);
+
+	const fx_value *parts[] = {
+		&FX_VALUE_OBJECT(dir),
+		&FX_VALUE_OBJECT(shadow_filename),
+	};
+
+	fx_path *shadow_filepath
+		= fx_path_join_array(parts, sizeof parts / sizeof parts[0]);
+	fx_path_unref(dir);
+	fx_path_unref(shadow_filename);
+
+	if (fx_path_exists(shadow_filepath)) {
+		fx_path_unlink(shadow_filepath);
+	}
+
+	fx_file *shadow_file;
+	fx_result status = fx_file_open(
+		FX_DIRECTORY_ROOT,
+		FX_VALUE_OBJECT(shadow_filepath),
+		mode,
+		&shadow_file);
+	fx_path_unref(shadow_filepath);
+
+	if (fx_result_is_error(status)) {
+		return status;
+	}
+
+	*out = shadow_file;
+	return FX_RESULT_SUCCESS;
+}
+
+static const fx_path *file_path(const struct fx_file_p *file)
+{
+	return file->path;
+}
+
+static enum fx_status file_stat(
+	struct fx_file_p *file,
+	struct fx_file_info *out)
+{
+#if 0
+	struct stat st;
+	int err = fstat(file->fd, &st);
+
+	if (err != 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	memset(out, 0x0, sizeof *out);
+
+	return fx_file_info_from_stat(&st, out);
+#endif
+	return FX_ERR_NOT_SUPPORTED;
+}
+
+static enum fx_status file_size(struct fx_file_p *file, size_t *out_len)
+{
+	off_t cur = lseek(file->fd, 0, SEEK_CUR);
+	if (cur == (off_t)-1) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	off_t len = lseek(file->fd, 0, SEEK_END);
+	if (len == (off_t)-1) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	cur = lseek(file->fd, cur, SEEK_SET);
+	if (cur == (off_t)-1) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*out_len = (size_t)len;
+	return FX_SUCCESS;
+}
+
+static enum fx_status file_cursor(struct fx_file_p *file, size_t *out_pos)
+{
+	off_t cur = lseek(file->fd, 0, SEEK_CUR);
+	if (cur == (off_t)-1) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*out_pos = (size_t)cur;
+	return FX_SUCCESS;
+}
+
+static enum fx_status file_resize(struct fx_file_p *file, size_t len)
+{
+#if 0
+	int err = ftruncate(file->fd, len);
+	if (err == 0) {
+		return FX_SUCCESS;
+	}
+
+	return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+#endif
+	return FX_ERR_NOT_SUPPORTED;
+}
+
+static enum fx_status file_seek(
+	struct fx_file_p *file,
+	long long offset,
+	enum fx_seek_basis basis)
+{
+	int whence;
+	switch (basis) {
+	case FX_SEEK_BEGINNING:
+		whence = SEEK_SET;
+		break;
+	case FX_SEEK_CURRENT:
+		whence = SEEK_CUR;
+		break;
+	case FX_SEEK_END:
+		whence = SEEK_END;
+		break;
+	default:
+		return FX_ERR_INVALID_ARGUMENT;
+	}
+
+	int err = lseek(file->fd, offset, whence);
+	if (err == (off_t)-1) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	return FX_SUCCESS;
+}
+
+static enum fx_status file_swap_shadow(
+	struct fx_file_p *main_file,
+	struct fx_file_p *shadow_file)
+{
+	if (main_file->mode & FX_FILE_SHADOW) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	if (!(shadow_file->mode & FX_FILE_SHADOW)) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	fx_path *dir_path;
+	fx_path_get_directory(main_file->path, &dir_path);
+
+	fx_path *tmp_path = NULL;
+
+	while (1) {
+		char tmp_name[16];
+		z__fx_io_generate_tmp_filename(tmp_name, sizeof tmp_name);
+		fx_path *tmp_name_p = fx_path_create_from_cstr(tmp_name);
+
+		const fx_value *parts[] = {
+			&FX_VALUE_OBJECT(dir_path),
+			&FX_VALUE_OBJECT(tmp_name_p),
+		};
+
+		tmp_path = fx_path_join_array(
+			parts,
+			sizeof parts / sizeof parts[0]);
+
+		fx_path_unref(tmp_name_p);
+
+		if (!fx_path_exists(tmp_path)) {
+			break;
+		}
+
+		fx_path_unref(tmp_path);
+		tmp_path = NULL;
+	}
+
+	fx_path_unref(dir_path);
+
+	int err;
+
+#if 0
+	err = rename(
+		fx_path_get_cstr(main_file->path),
+		fx_path_get_cstr(tmp_path));
+	err = rename(
+		fx_path_get_cstr(shadow_file->path),
+		fx_path_get_cstr(main_file->path));
+	err = rename(
+		fx_path_get_cstr(tmp_path),
+		fx_path_get_cstr(shadow_file->path));
+#endif
+
+	fx_path_unref(tmp_path);
+
+	int fd = main_file->fd;
+	main_file->fd = shadow_file->fd;
+	shadow_file->fd = fd;
+
+	return FX_SUCCESS;
+}
+
+static enum fx_status file_read(
+	struct fx_file_p *file,
+	size_t offset,
+	size_t len,
+	void *buf,
+	size_t *nr_read)
+{
+	if (offset != FX_OFFSET_CURRENT) {
+		lseek(file->fd, offset, SEEK_SET);
+	}
+
+	long r = read(file->fd, buf, len);
+
+	enum fx_status status = FX_SUCCESS;
+
+	if (r < 0) {
+		status = fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_read = r;
+	return status;
+}
+
+static enum fx_status file_write(
+	struct fx_file_p *file,
+	size_t offset,
+	size_t len,
+	const void *buf,
+	size_t *nr_written)
+{
+	if (offset != FX_OFFSET_CURRENT) {
+		lseek(file->fd, offset, SEEK_SET);
+	}
+
+	long w = write(file->fd, buf, len);
+
+	enum fx_status status = FX_SUCCESS;
+
+	if (w < 0) {
+		status = fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_written = w;
+	return status;
+}
+
+/*** STREAM FUNCTIONS *********************************************************/
+
+static enum fx_status stream_close(fx_stream *stream)
+{
+	return FX_SUCCESS;
+}
+
+static enum fx_status stream_getc(fx_stream *stream, int *out)
+{
+	struct fx_file_p *file = fx_object_get_private(stream, FX_TYPE_FILE);
+	char c;
+	size_t nr_read = 0;
+
+	enum fx_status status
+		= file_read(file, FX_OFFSET_CURRENT, sizeof c, &c, &nr_read);
+	if (status != FX_SUCCESS) {
+		return status;
+	}
+
+	if (nr_read == 0) {
+		return FX_ERR_NO_DATA;
+	}
+
+	*out = c;
+	return FX_SUCCESS;
+}
+
+static enum fx_status stream_read(
+	fx_stream *stream,
+	void *buf,
+	size_t max,
+	size_t *nr_read)
+{
+	struct fx_file_p *file = fx_object_get_private(stream, FX_TYPE_FILE);
+
+	enum fx_status status
+		= file_read(file, FX_OFFSET_CURRENT, max, buf, nr_read);
+
+	return status;
+}
+
+static enum fx_status stream_write(
+	fx_stream *stream,
+	const void *buf,
+	size_t count,
+	size_t *nr_written)
+{
+	struct fx_file_p *file = fx_object_get_private(stream, FX_TYPE_FILE);
+
+	enum fx_status status
+		= file_write(file, FX_OFFSET_CURRENT, count, buf, nr_written);
+
+	return status;
+}
+
+static enum fx_status stream_seek(
+	fx_stream *stream,
+	long long offset,
+	fx_stream_seek_origin origin)
+{
+	fx_seek_basis basis;
+	switch (origin) {
+	case FX_STREAM_SEEK_START:
+		basis = FX_SEEK_BEGINNING;
+		break;
+	case FX_STREAM_SEEK_CURRENT:
+		basis = FX_SEEK_CURRENT;
+		break;
+	case FX_STREAM_SEEK_END:
+		basis = FX_SEEK_END;
+		break;
+	default:
+		return FX_ERR_INVALID_ARGUMENT;
+	}
+
+	struct fx_file_p *file = fx_object_get_private(stream, FX_TYPE_FILE);
+
+	return file_seek(file, offset, basis);
+}
+
+static enum fx_status stream_tell(const fx_stream *stream, size_t *pos)
+{
+	const struct fx_file_p *file
+		= fx_object_get_private(stream, FX_TYPE_FILE);
+	off_t v = lseek(file->fd, 0, SEEK_CUR);
+	if (v == (off_t)-1) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*pos = v;
+	return FX_SUCCESS;
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_result fx_file_open(
+	fx_directory *root,
+	fx_value path,
+	enum fx_file_mode mode,
+	fx_file **out)
+{
+	unsigned int flags = fx_mode_to_unix_mode(mode);
+
+	if (flags == (unsigned int)-1) {
+		return FX_RESULT_ERR(INVALID_ARGUMENT);
+	}
+
+	const fx_path *root_path = NULL;
+	bool free_root_path = false;
+	if (root) {
+		root_path = fx_directory_get_path(root);
+	} else {
+		root_path = fx_path_get_system(FX_PATH_CWD);
+		free_root_path = true;
+	}
+
+	fx_path *abs_path
+		= fx_path_join_list(2, &FX_VALUE_OBJECT(root_path), &path);
+
+	if (free_root_path) {
+		fx_path_unref((fx_path *)root_path);
+	}
+
+	if (!abs_path) {
+		return FX_RESULT_ERR(NO_MEMORY);
+	}
+
+	int fd = open(fx_path_get_cstr(abs_path), flags);
+	if (fd == -1) {
+		fx_path_unref(abs_path);
+		return FX_RESULT_STATUS(
+			fx_status_from_errno(errno, FX_ERR_IO_FAILURE));
+	}
+
+	fx_file *file = fx_object_create(FX_TYPE_FILE);
+	if (!file) {
+		close(fd);
+		fx_path_unref(abs_path);
+		return FX_RESULT_ERR(NO_MEMORY);
+	}
+
+	struct fx_file_p *p = fx_object_get_private(file, FX_TYPE_FILE);
+	fx_stream_cfg *cfg = fx_object_get_protected(file, FX_TYPE_STREAM);
+
+	if (mode & FX_FILE_READ_ONLY) {
+		cfg->s_mode |= FX_STREAM_READ;
+	}
+
+	if (mode & FX_FILE_WRITE_ONLY) {
+		cfg->s_mode |= FX_STREAM_WRITE;
+	}
+
+	if (mode & FX_FILE_BINARY) {
+		cfg->s_mode |= FX_STREAM_BINARY;
+	}
+
+	p->fd = fd;
+	p->path = abs_path;
+	p->mode = mode;
+
+	*out = file;
+	return FX_RESULT_SUCCESS;
+}
+
+fx_result fx_file_open_temp(enum fx_file_mode mode, fx_file **out)
+{
+	mode |= FX_FILE_DELETE_ON_CLOSE;
+
+	char name[16];
+	char path[128];
+
+	while (1) {
+		z__fx_io_generate_tmp_filename(name, sizeof name);
+		snprintf(path, sizeof path, "/tmp/%s", name);
+		fx_path *rpath = fx_path_create_from_cstr(path);
+
+		fx_result status = fx_file_open(
+			FX_DIRECTORY_ROOT,
+			FX_VALUE_OBJECT(rpath),
+			mode | FX_FILE_CREATE_ONLY,
+			out);
+
+		if (fx_error_get_status_code(status) == FX_ERR_NAME_EXISTS) {
+			fx_path_unref(rpath);
+			continue;
+		}
+
+		fx_path_unlink(rpath);
+		fx_path_unref(rpath);
+
+		return status;
+	}
+}
+
+fx_result fx_file_open_shadow(
+	fx_file *original,
+	enum fx_file_mode mode,
+	fx_file **out)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_FILE,
+		file_open_shadow,
+		original,
+		mode,
+		out);
+}
+
+const fx_path *fx_file_path(const fx_file *file)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_FILE, file_path, file);
+}
+
+enum fx_status fx_file_stat(fx_file *file, struct fx_file_info *out)
+{
+	FX_CLASS_DISPATCH_STATIC(FX_TYPE_FILE, file_stat, file, out);
+}
+
+enum fx_status fx_file_size(fx_file *file, size_t *out_len)
+{
+	FX_CLASS_DISPATCH_STATIC(FX_TYPE_FILE, file_size, file, out_len);
+}
+
+enum fx_status fx_file_cursor(fx_file *file, size_t *out_pos)
+{
+	FX_CLASS_DISPATCH_STATIC(FX_TYPE_FILE, file_cursor, file, out_pos);
+}
+
+enum fx_status fx_file_resize(fx_file *file, size_t len)
+{
+	FX_CLASS_DISPATCH_STATIC(FX_TYPE_FILE, file_resize, file, len);
+}
+
+enum fx_status fx_file_seek(
+	fx_file *file,
+	long long offset,
+	enum fx_seek_basis basis)
+{
+	FX_CLASS_DISPATCH_STATIC(FX_TYPE_FILE, file_seek, file, offset, basis);
+}
+
+enum fx_status fx_file_swap_shadow(fx_file *main_file, fx_file *shadow_file)
+{
+	struct fx_file_p *main_p
+		= fx_object_get_private(main_file, FX_TYPE_FILE);
+	struct fx_file_p *shadow_p
+		= fx_object_get_private(main_file, FX_TYPE_FILE);
+	return file_swap_shadow(main_p, shadow_p);
+}
+
+enum fx_status fx_file_read(
+	fx_file *file,
+	size_t offset,
+	size_t len,
+	void *buf,
+	size_t *nr_read)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_FILE,
+		file_read,
+		file,
+		offset,
+		len,
+		buf,
+		nr_read);
+}
+
+enum fx_status fx_file_write(
+	fx_file *file,
+	size_t offset,
+	size_t len,
+	const void *buf,
+	size_t *nr_written)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_FILE,
+		file_write,
+		file,
+		offset,
+		len,
+		buf,
+		nr_written);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void file_init(fx_object *obj, void *priv)
+{
+	struct fx_file_p *file = priv;
+}
+
+static void file_fini(fx_object *obj, void *priv)
+{
+	struct fx_file_p *file = priv;
+	close(file->fd);
+
+	if (file->mode & FX_FILE_DELETE_ON_CLOSE) {
+		fx_path_unlink(file->path);
+	}
+
+	fx_path_unref(file->path);
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_file)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_stream, FX_TYPE_STREAM)
+		FX_INTERFACE_ENTRY(s_close) = stream_close;
+		FX_INTERFACE_ENTRY(s_getc) = stream_getc;
+		FX_INTERFACE_ENTRY(s_read) = stream_read;
+		FX_INTERFACE_ENTRY(s_write) = stream_write;
+		FX_INTERFACE_ENTRY(s_seek) = stream_seek;
+		FX_INTERFACE_ENTRY(s_tell) = stream_tell;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_stream, FX_TYPE_STREAM)
+FX_TYPE_CLASS_END(fx_file)
+
+FX_TYPE_DEFINITION_BEGIN(fx_file)
+	FX_TYPE_ID(0x495a73f6, 0xb8c3, 0x4e17, 0xb5f4, 0x6fc321f67c7b);
+	FX_TYPE_EXTENDS(FX_TYPE_STREAM);
+	FX_TYPE_CLASS(fx_file_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_file_p);
+	FX_TYPE_INSTANCE_INIT(file_init);
+	FX_TYPE_INSTANCE_FINI(file_fini);
+FX_TYPE_DEFINITION_END(fx_file)

fx.io/sys/rosetta/misc.c

@@ -0,0 +1,21 @@
+#include "misc.h"
+
+#include <fx/random.h>
+
+void z__fx_io_generate_tmp_filename(char *out, size_t len)
+{
+	static const char *alphabet
+		= "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+		  "01234567"
+		  "89+=-_.";
+	static const size_t alphabet_len = 67;
+
+	fx_random_ctx *ctx = fx_random_global_ctx();
+
+	for (size_t i = 0; i < len; i++) {
+		int v = fx_random_next_int64(ctx) % alphabet_len;
+		out[i] = alphabet[v];
+	}
+
+	out[len - 1] = 0;
+}

fx.io/sys/rosetta/misc.h

@@ -0,0 +1,8 @@
+#ifndef _IO_DARWIN_MISC_H_
+#define _IO_DARWIN_MISC_H_
+
+#include <stddef.h>
+
+extern void z__fx_io_generate_tmp_filename(char *out, size_t len);
+
+#endif

fx.io/sys/rosetta/path.c

@@ -0,0 +1,486 @@
+#include "posix.h"
+
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <fx/io/file.h>
+#include <fx/io/path.h>
+#include <fx/string.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+/*** PRIVATE DATA *************************************************************/
+
+struct fx_path_p {
+	fx_string *p_pathstr;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static fx_path *path_make_absolute(const struct fx_path_p *in)
+{
+	return NULL;
+}
+
+static fx_path *path_make_relative(const struct fx_path_p *in)
+{
+	return NULL;
+}
+
+static fx_path *path_make_canonical(const struct fx_path_p *in)
+{
+	return NULL;
+}
+
+static bool path_is_absolute(const struct fx_path_p *path)
+{
+	const char *s = fx_string_get_cstr(path->p_pathstr);
+	return s[0] == '/';
+}
+
+static const char *path_ptr(const struct fx_path_p *path)
+{
+	return fx_string_get_cstr(path->p_pathstr);
+}
+
+static enum fx_status path_stat(
+	const struct fx_path_p *path,
+	struct fx_file_info *out)
+{
+#if 0
+	struct stat st;
+	int err = stat(path_ptr(path), &st);
+
+	if (err != 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	memset(out, 0x0, sizeof *out);
+
+	return fx_file_info_from_stat(&st, out);
+#endif
+	return FX_ERR_NOT_SUPPORTED;
+}
+
+static bool path_exists(const struct fx_path_p *path)
+{
+	fx_file_info info;
+	if (!FX_OK(path_stat(path, &info))) {
+		return false;
+	}
+
+	return true;
+}
+
+static bool path_is_file(const struct fx_path_p *path)
+{
+	fx_file_info info;
+	if (!FX_OK(path_stat(path, &info))) {
+		return false;
+	}
+
+	return (info.attrib & FX_FILE_ATTRIB_NORMAL) != 0;
+}
+
+static bool path_is_directory(const struct fx_path_p *path)
+{
+	fx_file_info info;
+	if (!FX_OK(path_stat(path, &info))) {
+		return false;
+	}
+
+	return (info.attrib & FX_FILE_ATTRIB_DIRECTORY) != 0;
+}
+
+static void append_path(struct fx_path_p *dest, const fx_string *src)
+{
+	const char *src_cstr = fx_string_get_cstr(src);
+	if (src_cstr[0] == '/') {
+		fx_string_clear(dest->p_pathstr);
+		fx_string_append_s(dest->p_pathstr, src);
+		return;
+	}
+
+	if (fx_string_get_size(dest->p_pathstr, FX_STRLEN_NORMAL) > 0
+	    && fx_string_get_last_char(dest->p_pathstr) != '/'
+	    && fx_string_get_first_char(src) != '/') {
+		fx_string_append_c(dest->p_pathstr, '/');
+	}
+
+	fx_string_append_s(dest->p_pathstr, src);
+}
+
+static enum fx_status path_unlink(const struct fx_path_p *path)
+{
+#if 0
+	int err = remove(fx_string_get_cstr(path->p_pathstr));
+	return err == 0 ? FX_SUCCESS
+	                : fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+#endif
+	return FX_ERR_NOT_SUPPORTED;
+}
+
+static enum fx_status path_get_directory(
+	const struct fx_path_p *path,
+	fx_path **out_dir_path)
+{
+	fx_string *path_str = path->p_pathstr;
+	long len = fx_string_get_size(path_str, FX_STRLEN_NORMAL);
+
+	const char *path_cstr = fx_string_get_cstr(path_str);
+	char *sep = strrchr(path_cstr, '/');
+
+	if (!sep) {
+		*out_dir_path = fx_path_create();
+		return FX_SUCCESS;
+	}
+
+	size_t dir_path_len = (size_t)(sep - path_cstr);
+	fx_string *dir_path_s = fx_string_get_substr(path_str, 0, dir_path_len);
+
+	fx_path *dir_path
+		= fx_path_create_from_cstr(fx_string_get_cstr(dir_path_s));
+	fx_string_unref(dir_path_s);
+
+	*out_dir_path = dir_path;
+
+	return FX_SUCCESS;
+}
+
+static enum fx_status path_get_filename(
+	const struct fx_path_p *path,
+	fx_string *out_name)
+{
+	fx_string *path_str = path->p_pathstr;
+	long len = fx_string_get_size(path_str, FX_STRLEN_NORMAL);
+
+	char *sep = strrchr(fx_string_get_cstr(path_str), '/');
+
+	if (!sep) {
+		fx_string_append_s(out_name, path_str);
+		return FX_SUCCESS;
+	}
+
+	const char *filename = sep;
+	while (*filename == '/' && *filename != '\0') {
+		filename++;
+	}
+
+	if (*filename == '\0') {
+		fx_string_clear(out_name);
+		return FX_SUCCESS;
+	}
+
+	fx_string_append_cstr(out_name, filename);
+
+	return FX_SUCCESS;
+}
+
+static size_t path_length(const struct fx_path_p *path)
+{
+	return fx_string_get_size(path->p_pathstr, FX_STRLEN_NORMAL);
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_path *fx_path_create_root()
+{
+	const char *system_drive = "/";
+	size_t system_drive_len = strlen(system_drive);
+
+	fx_path *path = fx_path_create();
+	if (!path) {
+		return NULL;
+	}
+
+	struct fx_path_p *p = fx_object_get_private(path, FX_TYPE_PATH);
+
+	fx_string_append_cstr(p->p_pathstr, system_drive);
+	if (system_drive[system_drive_len - 1] != '\\') {
+		fx_string_append_c(p->p_pathstr, '\\');
+	}
+
+	return path;
+}
+
+fx_path *fx_path_create_from_cstr(const char *cstr)
+{
+	fx_path *path = fx_path_create();
+	if (!path) {
+		return NULL;
+	}
+
+	struct fx_path_p *p = fx_object_get_private(path, FX_TYPE_PATH);
+
+	char prev = 0;
+
+	for (size_t i = 0; cstr[i]; i++) {
+		char c = cstr[i];
+		if (c == '\\') {
+			c = '/';
+		}
+
+		if (prev == '/' && c == '/') {
+			continue;
+		}
+
+		fx_string_append_c(p->p_pathstr, c);
+		prev = c;
+	}
+
+	while (fx_string_get_last_char(p->p_pathstr) == '/') {
+		fx_string_pop_back(p->p_pathstr);
+	}
+
+	return path;
+}
+
+fx_path *fx_path_get_system(fx_system_path path_type)
+{
+#if 0
+	char path_buf[4096];
+	const char *path_value = NULL, *default_value = NULL;
+	switch (path_type) {
+	case FX_PATH_ROOT:
+		path_value = "/";
+		break;
+	case FX_PATH_CWD:
+		if (getcwd(path_buf, sizeof path_buf) == NULL) {
+			path_value = path_buf;
+		}
+		break;
+	case FX_PATH_HOME:
+		path_value = getenv("HOME");
+		default_value = "~";
+		break;
+	case FX_PATH_CONFIG: {
+		const char *home = getenv("HOME");
+		path_value = getenv("XDG_CONFIG_HOME");
+		snprintf(
+			path_buf,
+			sizeof path_buf,
+			"%s/.config",
+			home ? home : "~");
+		default_value = path_buf;
+		break;
+	}
+	default:
+		return NULL;
+	}
+
+	if (path_value) {
+		return fx_path_create_from_cstr(path_value);
+	}
+
+	if (default_value) {
+		return fx_path_create_from_cstr(default_value);
+	}
+#endif
+
+	return NULL;
+}
+
+fx_path *fx_path_duplicate(const fx_path *path)
+{
+	fx_path *new_path = fx_path_create();
+	if (!path) {
+		return NULL;
+	}
+
+	struct fx_path_p *old_p = fx_object_get_private(path, FX_TYPE_PATH);
+	struct fx_path_p *new_p = fx_object_get_private(new_path, FX_TYPE_PATH);
+
+	new_p->p_pathstr = fx_string_duplicate(old_p->p_pathstr);
+	if (!new_p->p_pathstr) {
+		fx_path_unref(new_path);
+		return NULL;
+	}
+
+	return new_path;
+}
+
+fx_path *fx_path_join_array(const fx_value *values[], size_t nr_values)
+{
+	fx_path *result = fx_path_create();
+	if (!result) {
+		return NULL;
+	}
+
+	struct fx_path_p *result_p
+		= fx_object_get_private(result, FX_TYPE_PATH);
+
+	fx_stringstream *tmp = fx_stringstream_create();
+	fx_string *value_s = fx_string_create();
+	for (size_t i = 0; i < nr_values; i++) {
+		if (!values[i]) {
+			continue;
+		}
+
+		fx_stringstream_reset(tmp);
+		fx_value_to_string(values[i], tmp, NULL);
+
+		fx_string_clear(value_s);
+		fx_string_append_cstr(value_s, fx_stringstream_get_cstr(tmp));
+		append_path(result_p, value_s);
+	}
+
+	fx_string_unref(value_s);
+	fx_stringstream_unref(tmp);
+	return result;
+}
+
+fx_path *fx_path_join_list(size_t count, ...)
+{
+	fx_path *result = fx_path_create();
+	if (!result) {
+		return NULL;
+	}
+
+	struct fx_path_p *result_p
+		= fx_object_get_private(result, FX_TYPE_PATH);
+	va_list arg;
+	va_start(arg, count);
+
+	fx_stringstream *tmp = fx_stringstream_create();
+	fx_string *value_s = fx_string_create();
+	for (size_t i = 0; i < count; i++) {
+		const fx_value *value = va_arg(arg, const fx_value *);
+
+		fx_stringstream_reset(tmp);
+		fx_value_to_string(value, tmp, NULL);
+
+		fx_string_clear(value_s);
+		fx_string_append_cstr(value_s, fx_stringstream_get_cstr(tmp));
+		append_path(result_p, value_s);
+	}
+
+	fx_string_unref(value_s);
+	fx_stringstream_unref(tmp);
+	return result;
+}
+
+fx_path *fx_path_make_absolute(const fx_path *in)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_make_absolute, in);
+}
+
+fx_path *fx_path_make_relative(const fx_path *in)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_make_relative, in);
+}
+
+fx_path *fx_path_make_canonical(const fx_path *in)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_make_canonical, in);
+}
+
+bool fx_path_is_absolute(const fx_path *path)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_is_absolute, path);
+}
+
+bool fx_path_exists(const fx_path *path)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_exists, path);
+}
+
+bool fx_path_is_file(const fx_path *path)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_is_file, path);
+}
+
+bool fx_path_is_directory(const fx_path *path)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_is_directory, path);
+}
+
+enum fx_status fx_path_stat(const fx_path *path, struct fx_file_info *out)
+{
+	FX_CLASS_DISPATCH_STATIC(FX_TYPE_PATH, path_stat, path, out);
+}
+
+enum fx_status fx_path_unlink(const fx_path *path)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_unlink, path);
+}
+
+enum fx_status fx_path_get_directory(
+	const fx_path *path,
+	fx_path **out_dir_path)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_PATH,
+		path_get_directory,
+		path,
+		out_dir_path);
+}
+
+enum fx_status fx_path_get_filename(const fx_path *path, fx_string *out_name)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_TYPE_PATH,
+		path_get_filename,
+		path,
+		out_name);
+}
+
+const char *fx_path_get_cstr(const fx_path *path)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_ptr, path);
+}
+
+size_t fx_path_length(const fx_path *path)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_TYPE_PATH, path_length, path);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void path_init(fx_object *obj, void *priv)
+{
+	struct fx_path_p *path = priv;
+
+	path->p_pathstr = fx_string_create();
+	if (!path->p_pathstr) {
+		/* TODO return error */
+	}
+}
+
+void path_fini(fx_object *obj, void *priv)
+{
+	struct fx_path_p *path = priv;
+
+	fx_string_unref(path->p_pathstr);
+}
+
+static fx_status path_to_string(
+	const fx_value *obj,
+	fx_stream *out,
+	const char *format)
+{
+	struct fx_path_p *path
+		= fx_object_get_private(obj->v_object, FX_TYPE_PATH);
+
+	return fx_stream_write_cstr(
+		out,
+		fx_string_get_cstr(path->p_pathstr),
+		NULL);
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_path)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = path_to_string;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+FX_TYPE_CLASS_END(fx_path)
+
+FX_TYPE_DEFINITION_BEGIN(fx_path)
+	FX_TYPE_ID(0x56dc32eb, 0xea96, 0x46ed, 0x85d3, 0x760fa4ad61f4);
+	FX_TYPE_CLASS(fx_path_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_path_p);
+	FX_TYPE_INSTANCE_INIT(path_init);
+	FX_TYPE_INSTANCE_FINI(path_fini);
+FX_TYPE_DEFINITION_END(fx_path)

fx.io/sys/rosetta/pipe.c

@@ -0,0 +1,32 @@
+#include "posix.h"
+
+#include <errno.h>
+#include <fx/io/stream.h>
+#include <unistd.h>
+
+fx_status fx_pipe_create(fx_iostream **reader, fx_iostream **writer)
+{
+#if 0
+	int fds[2];
+	int err = pipe(fds);
+	if (err != 0) {
+		return fx_status_from_errno(errno, FX_ERR_NOT_SUPPORTED);
+	}
+
+	fx_iostream *r = fx_iostream_create(FX_STREAM_READ, fds[0], true);
+	fx_iostream *w = fx_iostream_create(FX_STREAM_WRITE, fds[1], true);
+
+	if (!r || !w) {
+		fx_iostream_unref(r);
+		fx_iostream_unref(w);
+		close(fds[0]);
+		close(fds[1]);
+		return FX_ERR_NO_MEMORY;
+	}
+
+	*reader = r;
+	*writer = w;
+	return FX_SUCCESS;
+#endif
+	return FX_ERR_NOT_SUPPORTED;
+}

fx.io/sys/rosetta/posix.c

@@ -0,0 +1,152 @@
+#include <errno.h>
+#include <fx/error.h>
+#include <fx/io/file.h>
+#include <fx/status.h>
+
+enum fx_status fx_status_from_errno(int error, enum fx_status default_value)
+{
+	switch (error) {
+	case 0:
+		return FX_SUCCESS;
+	case ENOENT:
+		return FX_ERR_NO_ENTRY;
+	case EEXIST:
+		return FX_ERR_NAME_EXISTS;
+	case ENOMEM:
+		return FX_ERR_NO_MEMORY;
+	case EINVAL:
+		return FX_ERR_INVALID_ARGUMENT;
+	case EIO:
+		return FX_ERR_IO_FAILURE;
+	case EISDIR:
+		return FX_ERR_IS_DIRECTORY;
+	case ENOTDIR:
+		return FX_ERR_NOT_DIRECTORY;
+	case EPERM:
+	case EACCES:
+		return FX_ERR_PERMISSION_DENIED;
+	case ENOTSUP:
+	case ENOSYS:
+		return FX_ERR_NOT_SUPPORTED;
+	default:
+		return default_value;
+	}
+}
+
+fx_result fx_result_from_errno_with_filepath(
+	int error,
+	const char *path,
+	enum fx_status default_value)
+{
+	switch (error) {
+	case 0:
+		return FX_RESULT_SUCCESS;
+	case ENOENT:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_NO_ENTRY,
+			"Path @i{%s} does not exist",
+			path);
+	case ENOTDIR:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_NOT_DIRECTORY,
+			"Path @i{%s} is not a directory",
+			path);
+	case EISDIR:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_IS_DIRECTORY,
+			"Path @i{%s} is a directory",
+			path);
+	case EPERM:
+	case EACCES:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_PERMISSION_DENIED,
+			"Permission denied while accessing path @i{%s}",
+			path);
+	default:
+		return FX_RESULT_STATUS(
+			fx_status_from_errno(error, default_value));
+	}
+
+	return FX_RESULT_SUCCESS;
+}
+
+fx_result fx_result_from_errno_with_subfilepath(
+	int error,
+	const char *path,
+	const char *dir_path,
+	enum fx_status default_value)
+{
+	if (!dir_path) {
+		return fx_result_propagate(fx_result_from_errno_with_filepath(
+			error,
+			path,
+			default_value));
+	}
+
+	switch (error) {
+	case 0:
+		return FX_RESULT_SUCCESS;
+	case ENOENT:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_NO_ENTRY,
+			"Path @i{%s} in directory @i{%s} does not exist",
+			path,
+			dir_path);
+	case ENOTDIR:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_NOT_DIRECTORY,
+			"Path @i{%s} in directory @i{%s} is not a directory",
+			path,
+			dir_path);
+	case EISDIR:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_IS_DIRECTORY,
+			"Path @i{%s} in directory @i{%s} is a directory",
+			path,
+			dir_path);
+	case EPERM:
+	case EACCES:
+		return FX_RESULT_STATUS_WITH_STRING(
+			FX_ERR_PERMISSION_DENIED,
+			"Permission denied while accessing path @i{%s} in "
+			"directory @i{%s}",
+			path,
+			dir_path);
+	default:
+		return FX_RESULT_STATUS(
+			fx_status_from_errno(error, default_value));
+	}
+
+	return FX_RESULT_SUCCESS;
+}
+
+#if 0
+enum fx_status fx_file_info_from_stat(
+	const struct stat *st,
+	struct fx_file_info *out)
+{
+	out->length = st->st_size;
+
+	if (S_ISREG(st->st_mode)) {
+		out->attrib |= FX_FILE_ATTRIB_NORMAL;
+	}
+
+	if (S_ISDIR(st->st_mode)) {
+		out->attrib |= FX_FILE_ATTRIB_DIRECTORY;
+	}
+
+	if (S_ISBLK(st->st_mode)) {
+		out->attrib |= FX_FILE_ATTRIB_BLOCK_DEVICE;
+	}
+
+	if (S_ISCHR(st->st_mode)) {
+		out->attrib |= FX_FILE_ATTRIB_CHAR_DEVICE;
+	}
+
+	if (S_ISLNK(st->st_mode)) {
+		out->attrib |= FX_FILE_ATTRIB_SYMLINK;
+	}
+
+	return FX_SUCCESS;
+}
+#endif

fx.io/sys/rosetta/posix.h

@@ -0,0 +1,26 @@
+#ifndef _IO_DARWIN_POSIX_H_
+#define _IO_DARWIN_POSIX_H_
+
+#include <fx/error.h>
+#include <fx/status.h>
+
+struct stat;
+struct fx_file_info;
+
+extern enum fx_status fx_status_from_errno(
+	int error,
+	enum fx_status default_value);
+extern fx_result fx_result_from_errno_with_filepath(
+	int error,
+	const char *path,
+	enum fx_status default_value);
+extern fx_result fx_result_from_errno_with_subfilepath(
+	int error,
+	const char *path,
+	const char *dir_path,
+	enum fx_status default_value);
+extern enum fx_status fx_file_info_from_stat(
+	const struct stat *in,
+	struct fx_file_info *out);
+
+#endif

fx.io/sys/rosetta/stream.c

@@ -0,0 +1,149 @@
+#include "posix.h"
+
+#include <errno.h>
+#include <fx/io/stream.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*** PRIVATE DATA *************************************************************/
+
+struct fx_iostream_p {
+	int s_fd;
+	bool s_fd_close_on_release;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static uptr iostream_get_os_handle(const struct fx_iostream_p *stream)
+{
+	return stream->s_fd;
+}
+
+static uptr iostream_steal_os_handle(struct fx_iostream_p *stream)
+{
+	uptr out = stream->s_fd;
+	stream->s_fd = -1;
+	stream->s_fd_close_on_release = false;
+	return out;
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_iostream *fx_iostream_create(
+	fx_stream_mode mode,
+	uptr os_handle,
+	bool close_handle_on_release)
+{
+	fx_iostream *s = fx_object_create(FX_IO_TYPE_STREAM);
+	if (!s) {
+		return NULL;
+	}
+
+	fx_stream_cfg *cfg = fx_object_get_protected(s, FX_TYPE_STREAM);
+	struct fx_iostream_p *p = fx_object_get_private(s, FX_IO_TYPE_STREAM);
+
+	cfg->s_mode = mode | Z__FX_STREAM_STATIC;
+	p->s_fd = (int)os_handle;
+	p->s_fd_close_on_release = close_handle_on_release;
+
+	return s;
+}
+
+uptr fx_iostream_get_os_handle(const fx_iostream *stream)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_IO_TYPE_STREAM,
+		iostream_get_os_handle,
+		stream);
+}
+
+uptr fx_iostream_steal_os_handle(fx_iostream *stream)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_IO_TYPE_STREAM,
+		iostream_steal_os_handle,
+		stream);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void iostream_init(fx_object *obj, void *priv)
+{
+	struct fx_iostream_p *stream = priv;
+}
+
+static void iostream_fini(fx_object *obj, void *priv)
+{
+	struct fx_iostream_p *stream = priv;
+
+	if (stream->s_fd_close_on_release) {
+		close(stream->s_fd);
+	}
+}
+
+static enum fx_status stream_read(
+	fx_stream *stream,
+	void *buf,
+	size_t count,
+	size_t *nr_read)
+{
+	struct fx_iostream_p *s
+		= fx_object_get_private(stream, FX_IO_TYPE_STREAM);
+
+	long r = read(s->s_fd, buf, count);
+	if (r < 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_read = r;
+	return FX_SUCCESS;
+}
+
+static enum fx_status stream_write(
+	fx_stream *stream,
+	const void *buf,
+	size_t count,
+	size_t *nr_written)
+{
+	struct fx_iostream_p *s
+		= fx_object_get_private(stream, FX_IO_TYPE_STREAM);
+
+	long w = write(s->s_fd, buf, count);
+	if (w < 0) {
+		return fx_status_from_errno(errno, FX_ERR_IO_FAILURE);
+	}
+
+	*nr_written = w;
+	return FX_SUCCESS;
+}
+
+/*** CLASS DEFINITION *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_iostream)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_stream, FX_TYPE_STREAM)
+		FX_INTERFACE_ENTRY(s_close) = NULL;
+		FX_INTERFACE_ENTRY(s_seek) = NULL;
+		FX_INTERFACE_ENTRY(s_tell) = NULL;
+		FX_INTERFACE_ENTRY(s_getc) = NULL;
+		FX_INTERFACE_ENTRY(s_read) = stream_read;
+		FX_INTERFACE_ENTRY(s_write) = stream_write;
+		FX_INTERFACE_ENTRY(s_reserve) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_stream, FX_TYPE_STREAM)
+FX_TYPE_CLASS_END(fx_iostream)
+
+FX_TYPE_DEFINITION_BEGIN(fx_iostream)
+	FX_TYPE_ID(0xc0b1c3c9, 0xa9c6, 0x4910, 0x8786, 0x574b0696e7aa);
+	FX_TYPE_NAME("fx.io.stream");
+	FX_TYPE_EXTENDS(FX_TYPE_STREAM);
+	FX_TYPE_CLASS(fx_iostream_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_iostream_p);
+	FX_TYPE_INSTANCE_INIT(iostream_init);
+	FX_TYPE_INSTANCE_FINI(iostream_fini);
+FX_TYPE_DEFINITION_END(fx_iostream)

fx.io/sys/win32/directory.c

@@ -60,7 +60,7 @@ enum fx_status fx_directory_open(
 	}
 
 	HANDLE dir_handle = CreateFileA(
-		fx_path_ptr(new_path), GENERIC_READ,
+		fx_path_get_cstr(new_path), GENERIC_READ,
 		FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL,
 		OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, INVALID_HANDLE_VALUE);
 
@@ -197,7 +197,7 @@ static bool move_into_directory(struct fx_directory_iterator *it, const char *di
 
 	state = push_iteration_state(it->_z);
 	state->search_path = dir_path;
-	state->search = FindFirstFileA(fx_path_ptr(search_path), &state->data);
+	state->search = FindFirstFileA(fx_path_get_cstr(search_path), &state->data);
 
 	fx_path_release(search_path);
 	fx_path_release(wildcard);
@@ -224,7 +224,7 @@ static bool move_into_directory(struct fx_directory_iterator *it, const char *di
 static bool move_to_first_item(
 	struct fx_directory_iterator *it, const struct fx_path *root_dir)
 {
-	bool has_results = move_into_directory(it, fx_path_ptr(root_dir));
+	bool has_results = move_into_directory(it, fx_path_get_cstr(root_dir));
 
 	if (!has_results) {
 		return false;

fx.io/sys/win32/path.c

@@ -205,13 +205,13 @@ bool fx_path_is_absolute(const struct fx_path *path)
 
 bool fx_path_exists(const struct fx_path *path)
 {
-	DWORD attrib = GetFileAttributesA(fx_path_ptr(path));
+	DWORD attrib = GetFileAttributesA(fx_path_get_cstr(path));
 	return attrib != INVALID_FILE_ATTRIBUTES;
 }
 
 bool fx_path_is_file(const struct fx_path *path)
 {
-	DWORD attrib = GetFileAttributesA(fx_path_ptr(path));
+	DWORD attrib = GetFileAttributesA(fx_path_get_cstr(path));
 	if (attrib == INVALID_FILE_ATTRIBUTES) {
 		return false;
 	}
@@ -221,7 +221,7 @@ bool fx_path_is_file(const struct fx_path *path)
 
 bool fx_path_is_directory(const struct fx_path *path)
 {
-	DWORD attrib = GetFileAttributesA(fx_path_ptr(path));
+	DWORD attrib = GetFileAttributesA(fx_path_get_cstr(path));
 	if (attrib == INVALID_FILE_ATTRIBUTES) {
 		return false;
 	}
@@ -229,7 +229,7 @@ bool fx_path_is_directory(const struct fx_path *path)
 	return (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0;
 }
 
-const char *fx_path_ptr(const struct fx_path *path)
+const char *fx_path_get_cstr(const struct fx_path *path)
 {
 	return fx_string_get_cstr(path->pathstr);
 }

fx.io/test/mkdir.c

@@ -11,7 +11,10 @@ int main(int argc, const char **argv)
 
 	fx_directory *dir;
 	fx_result result = fx_directory_open(
-		NULL, FX_RV_PATH(path), FX_DIRECTORY_OPEN_CREATE_INTERMEDIATE, &dir);
+		NULL,
+		FX_CSTR(path),
+		FX_DIRECTORY_OPEN_CREATE_INTERMEDIATE,
+		&dir);
 	if (fx_result_is_error(result)) {
 		fx_throw(result);
 		return -1;

fx.io/test/pipes.c

@@ -0,0 +1,23 @@
+#include <fx/io/pipe.h>
+#include <stdio.h>
+
+int main(void)
+{
+	fx_iostream *read = NULL, *write = NULL;
+	fx_status status = fx_pipe_create(&read, &write);
+
+	if (!FX_OK(status)) {
+		fprintf(stderr,
+		        "failed to create pipe: %s\n",
+		        fx_status_description(status));
+		return -1;
+	}
+
+	fx_stream_write_cstr(write, "Hello, world!\n", NULL);
+
+	char buf[128];
+	fx_stream_read_line(read, buf, sizeof buf);
+
+	printf("read from pipe: %s\n", buf);
+	return 0;
+}

fx.io/test/rmdir.c

@@ -9,7 +9,7 @@ int main(int argc, const char **argv)
 	const char *path = argv[1];
 
 	fx_directory *dir;
-	fx_result result = fx_directory_open(NULL, FX_RV_PATH(path), 0, &dir);
+	fx_result result = fx_directory_open(NULL, FX_CSTR(path), 0, &dir);
 	if (fx_result_is_error(result)) {
 		fx_throw(result);
 		return -1;

fx.io/test/streams.c

@@ -6,10 +6,9 @@
 int main(int argc, const char **argv)
 {
 	fx_file *dest;
-	fx_path *path = fx_path_create_from_cstr("data.txt");
 	fx_result result = fx_file_open(
 		NULL,
-		path,
+		FX_CSTR("data.txt"),
 		FX_FILE_WRITE_ONLY | FX_FILE_CREATE,
 		&dest);
 	if (fx_result_is_error(result)) {
@@ -23,7 +22,6 @@ int main(int argc, const char **argv)
 
 	printf("done. read %zu bytes total.\n", nr_read);
 
-	fx_path_unref(path);
 	fx_file_unref(dest);
 	return 0;
 }

fx.io/test/tree.c

@@ -12,18 +12,24 @@ int main(int argc, const char **argv)
 	}
 
 	fx_directory *dir = NULL;
-	fx_path *path = fx_path_create_from_cstr(argv[1]);
-	fx_result result = fx_directory_open(FX_DIRECTORY_ROOT, path, 0, &dir);
+	fx_result result = fx_directory_open(
+		FX_DIRECTORY_ROOT,
+		FX_CSTR(argv[1]),
+		0,
+		&dir);
 
 	if (fx_result_is_error(result)) {
 		fx_throw(result);
 		return -1;
 	}
 
-	fx_iterator *it = fx_directory_begin(dir, FX_DIRECTORY_ITERATE_PARENT_FIRST);
-	fx_foreach(fx_directory_entry *, entry, it)
+	fx_iterator *it
+		= fx_directory_begin(dir, FX_DIRECTORY_ITERATE_PARENT_FIRST);
+	fx_foreach(val, it)
 	{
-		printf("%s\n", fx_path_ptr(entry->filepath));
+		fx_directory_entry *entry = NULL;
+		fx_value_get_pointer(val, (void **)&entry);
+		printf("%s\n", fx_path_get_cstr(entry->filepath));
 	}
 
 	fx_iterator_unref(it);

fx.reflection/assembly.c

@@ -1,8 +1,24 @@
+#include "fx/namemap.h"
+
 #include <fx/bst.h>
 #include <fx/hash.h>
+#include <fx/iterator.h>
 #include <fx/macros.h>
 #include <fx/queue.h>
 #include <fx/reflection/assembly.h>
+#include <fx/reflection/type.h>
+
+FX_API fx_type_id fx_assembly_iterator_get_type();
+FX_API fx_type_id fx_assembly_type_iterator_get_type();
+
+FX_DECLARE_TYPE(fx_assembly_iterator);
+FX_DECLARE_TYPE(fx_assembly_type_iterator);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_assembly_iterator)
+FX_TYPE_CLASS_DECLARATION_END(fx_assembly_iterator)
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_assembly_type_iterator)
+FX_TYPE_CLASS_DECLARATION_END(fx_assembly_type_iterator)
 
 enum map_entry_type {
 	MAP_ENTRY_NONE = 0,
@@ -12,6 +28,7 @@ enum map_entry_type {
 
 struct map_entry {
 	enum map_entry_type e_type;
+	struct map_bucket *e_bucket;
 	uint64_t e_hash;
 	union {
 		fx_queue_entry e_entry;
@@ -39,8 +56,10 @@ struct type {
 };
 
 struct fx_assembly_p {
+	fx_assembly *a_self;
 	const char *a_name;
 	struct map a_types;
+	fx_namemap_entry a_entry;
 
 	struct {
 		long v_major;
@@ -50,6 +69,16 @@ struct fx_assembly_p {
 	} a_version;
 };
 
+struct fx_assembly_iterator_p {
+	fx_namemap_entry *it_cur;
+	fx_value it_value;
+};
+
+struct fx_assembly_type_iterator_p {
+	struct type *it_item;
+	fx_value it_value;
+};
+
 /*** PRIVATE FUNCTIONS ********************************************************/
 
 FX_BST_DEFINE_SIMPLE_GET(
@@ -60,6 +89,8 @@ FX_BST_DEFINE_SIMPLE_GET(
 	map_get_entry);
 FX_BST_DEFINE_SIMPLE_INSERT(struct map_entry, e_node, e_hash, map_put_entry);
 
+static fx_namemap assembly_map = FX_NAMEMAP_INIT;
+
 static struct map_bucket *map_item_convert_to_bucket(
 	struct map *map,
 	struct map_item *item)
@@ -78,6 +109,28 @@ static struct map_bucket *map_item_convert_to_bucket(
 	return bucket;
 }
 
+static struct map_item *map_first_item(const struct map *map)
+{
+	fx_bst_node *first = fx_bst_first(&map->m_entries);
+	if (!first) {
+		return NULL;
+	}
+
+	struct map_entry *entry = fx_unbox(struct map_entry, first, e_node);
+	if (entry->e_type == MAP_ENTRY_ITEM) {
+		return (struct map_item *)entry;
+	}
+
+	struct map_bucket *bucket = (struct map_bucket *)entry;
+	fx_queue_entry *first_entry = fx_queue_first(&bucket->b_items);
+	if (!first_entry) {
+		return NULL;
+	}
+
+	entry = fx_unbox(struct map_entry, first_entry, e_entry);
+	return (struct map_item *)entry;
+}
+
 static void map_put(struct map *map, const char *name, struct map_item *item)
 {
 	uint64_t hash = fx_hash_cstr(name);
@@ -109,34 +162,81 @@ static void map_put(struct map *map, const char *name, struct map_item *item)
 	}
 }
 
-static void assembly_set_name(struct fx_assembly_p *asm, const char *name)
+static struct map_item *map_item_next(struct map_item *item)
 {
-	asm->a_name = name;
+	struct map_bucket *bucket = item->i_entry.e_bucket;
+	struct map_entry *next_item = NULL;
+	if (bucket) {
+		struct fx_queue_entry *q_item
+			= fx_queue_next(&item->i_entry.e_entry);
+		if (!q_item) {
+			struct fx_bst_node *node
+				= fx_bst_next(&bucket->b_entry.e_node);
+			next_item = fx_unbox(struct map_entry, node, e_node);
+		} else {
+			next_item = fx_unbox(struct map_entry, q_item, e_entry);
+		}
+	} else {
+		struct fx_bst_node *node = fx_bst_next(&item->i_entry.e_node);
+		next_item = fx_unbox(struct map_entry, node, e_node);
+	}
+
+	if (!next_item) {
+		return NULL;
+	}
+
+	if (next_item->e_type == MAP_ENTRY_BUCKET) {
+		bucket = (struct map_bucket *)next_item;
+		struct fx_queue_entry *q_item
+			= fx_queue_first(&bucket->b_items);
+		next_item = fx_unbox(struct map_entry, q_item, e_entry);
+	}
+
+	return (struct map_item *)next_item;
+}
+
+static fx_status assembly_register(struct fx_assembly_p *assembly)
+{
+	if (fx_namemap_get(&assembly_map, assembly->a_name)) {
+		return FX_ERR_NAME_EXISTS;
+	}
+
+	fx_namemap_put(&assembly_map, assembly->a_name, &assembly->a_entry);
+	return FX_SUCCESS;
+}
+
+static void assembly_set_name(struct fx_assembly_p *assembly, const char *name)
+{
+	assembly->a_name = name;
 }
 
 static void assembly_set_version(
-	struct fx_assembly_p *asm,
+	struct fx_assembly_p *assembly,
 	long major,
 	long minor,
 	long build,
 	long revision)
 {
-	asm->a_version.v_major = major;
-	asm->a_version.v_minor = minor;
-	asm->a_version.v_build = build;
-	asm->a_version.v_revision = revision;
+	assembly->a_version.v_major = major;
+	assembly->a_version.v_minor = minor;
+	assembly->a_version.v_build = build;
+	assembly->a_version.v_revision = revision;
 }
 
 #include <stdio.h>
 static void assembly_add_type(
-	struct fx_assembly_p *asm,
+	struct fx_assembly_p *assembly,
 	const char *full_name,
 	fx_type_id type_id)
 {
 	struct type *type = malloc(sizeof *type);
 	memset(type, 0x0, sizeof *type);
 
-	map_put(&asm->a_types, full_name, &type->e_map_item);
+	type->e_type = type_id;
+	fx_type *ty = (fx_type *)fx_type_get_by_id(type_id);
+	fx_type_set_assembly(ty, assembly->a_self);
+
+	map_put(&assembly->a_types, full_name, &type->e_map_item);
 }
 
 static void map_item_dump(struct map_item *item)
@@ -145,17 +245,17 @@ static void map_item_dump(struct map_item *item)
 	printf("  Type: %s\n", type->e_map_item.i_name);
 }
 
-static void assembly_dump(struct fx_assembly_p *asm)
+static void assembly_dump(struct fx_assembly_p *assembly)
 {
 	printf("Loaded assembly:\n");
 	printf("  %s, Version=%ld.%ld.%ld.%ld\n",
-	       asm->a_name,
-	       asm->a_version.v_major,
-	       asm->a_version.v_minor,
-	       asm->a_version.v_build,
-	       asm->a_version.v_revision);
+	       assembly->a_name,
+	       assembly->a_version.v_major,
+	       assembly->a_version.v_minor,
+	       assembly->a_version.v_build,
+	       assembly->a_version.v_revision);
 
-	fx_bst_node *cur_node = fx_bst_first(&asm->a_types.m_entries);
+	fx_bst_node *cur_node = fx_bst_first(&assembly->a_types.m_entries);
 	while (cur_node) {
 		struct map_entry *entry
 			= fx_unbox(struct map_entry, cur_node, e_node);
@@ -187,19 +287,116 @@ static void assembly_dump(struct fx_assembly_p *asm)
 	}
 }
 
+static fx_iterator *assembly_get_types(const struct fx_assembly_p *assembly)
+{
+	fx_assembly_type_iterator *it
+		= fx_object_create(fx_assembly_type_iterator_get_type());
+	if (!it) {
+		return NULL;
+	}
+
+	struct fx_assembly_type_iterator_p *it_p = fx_object_get_private(
+		it,
+		fx_assembly_type_iterator_get_type());
+	struct map_item *item = map_first_item(&assembly->a_types);
+	if (!item) {
+		fx_iterator_set_status(it, FX_ERR_NO_DATA);
+		return it;
+	}
+
+	it_p->it_item = fx_unbox(struct type, item, e_map_item);
+	const fx_type *ty = fx_type_get_by_id(it_p->it_item->e_type);
+	it_p->it_value = FX_VALUE_OBJECT_REF(ty);
+
+	return it;
+}
+
+static const char *assembly_get_name(const struct fx_assembly_p *assembly)
+{
+	return assembly->a_name;
+}
+
+static void assembly_get_version(
+	const struct fx_assembly_p *assembly,
+	long *out_major,
+	long *out_minor,
+	long *out_build,
+	long *out_revision)
+{
+	if (out_major) {
+		*out_major = assembly->a_version.v_major;
+	}
+
+	if (out_minor) {
+		*out_minor = assembly->a_version.v_minor;
+	}
+
+	if (out_build) {
+		*out_build = assembly->a_version.v_build;
+	}
+
+	if (out_revision) {
+		*out_revision = assembly->a_version.v_revision;
+	}
+}
+
 /*** PUBLIC FUNCTIONS *********************************************************/
 
-void fx_assembly_set_name(fx_assembly *asm, const char *name)
+fx_iterator *fx_assembly_get_all(void)
+{
+	fx_assembly_iterator *it
+		= fx_object_create(fx_assembly_iterator_get_type());
+	if (!it) {
+		return NULL;
+	}
+
+	struct fx_assembly_iterator_p *it_p
+		= fx_object_get_private(it, fx_assembly_iterator_get_type());
+	it_p->it_cur = fx_namemap_first(&assembly_map);
+	if (!it_p->it_cur) {
+		fx_iterator_set_status(it, FX_ERR_NO_DATA);
+		return it;
+	}
+
+	struct fx_assembly_p *assembly
+		= fx_unbox(struct fx_assembly_p, it_p->it_cur, a_entry);
+
+	it_p->it_value = FX_VALUE_OBJECT_REF(assembly->a_self);
+
+	return it;
+}
+
+const fx_assembly *fx_assembly_get_by_name(const char *name)
+{
+	const fx_namemap_entry *entry = fx_namemap_get(&assembly_map, name);
+	if (!entry) {
+		return NULL;
+	}
+
+	struct fx_assembly_p *assembly
+		= fx_unbox(struct fx_assembly_p, entry, a_entry);
+	return assembly->a_self;
+}
+
+fx_status fx_assembly_register(fx_assembly *assembly)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_ASSEMBLY,
+		assembly_register,
+		assembly);
+}
+
+void fx_assembly_set_name(fx_assembly *assembly, const char *name)
 {
 	FX_CLASS_DISPATCH_STATIC_V(
 		FX_REFLECTION_TYPE_ASSEMBLY,
 		assembly_set_name,
-		asm,
+		assembly,
 		name);
 }
 
 void fx_assembly_set_version(
-	fx_assembly *asm,
+	fx_assembly *assembly,
 	long major,
 	long minor,
 	long build,
@@ -208,7 +405,7 @@ void fx_assembly_set_version(
 	FX_CLASS_DISPATCH_STATIC_V(
 		FX_REFLECTION_TYPE_ASSEMBLY,
 		assembly_set_version,
-		asm,
+		assembly,
 		major,
 		minor,
 		build,
@@ -216,39 +413,141 @@ void fx_assembly_set_version(
 }
 
 void fx_assembly_add_type(
-	fx_assembly *asm,
+	fx_assembly *assembly,
 	const char *full_name,
 	fx_type_id type_id)
 {
 	FX_CLASS_DISPATCH_STATIC_V(
 		FX_REFLECTION_TYPE_ASSEMBLY,
 		assembly_add_type,
-		asm,
+		assembly,
 		full_name,
 		type_id);
 }
 
-void fx_assembly_dump(const fx_assembly *asm)
+fx_iterator *fx_assembly_get_types(const fx_assembly *assembly)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_ASSEMBLY,
+		assembly_get_types,
+		assembly);
+}
+
+const char *fx_assembly_get_name(const fx_assembly *assembly)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_ASSEMBLY,
+		assembly_get_name,
+		assembly);
+}
+
+void fx_assembly_get_version(
+	const fx_assembly *assembly,
+	long *out_major,
+	long *out_minor,
+	long *out_build,
+	long *out_revision)
+{
+	FX_CLASS_DISPATCH_STATIC_V(
+		FX_REFLECTION_TYPE_ASSEMBLY,
+		assembly_get_version,
+		assembly,
+		out_major,
+		out_minor,
+		out_build,
+		out_revision);
+}
+
+void fx_assembly_dump(const fx_assembly *assembly)
 {
 	FX_CLASS_DISPATCH_STATIC_0(
 		FX_REFLECTION_TYPE_ASSEMBLY,
 		assembly_dump,
-		asm);
+		assembly);
 }
 
 /*** VIRTUAL FUNCTIONS ********************************************************/
 
 static void assembly_init(fx_object *obj, void *priv)
 {
+	struct fx_assembly_p *assembly = priv;
+	assembly->a_self = obj;
 }
 
 static void assembly_fini(fx_object *obj, void *priv)
 {
 }
 
+/*** ITERATOR DEFINITION ******************************************************/
+
+static enum fx_status type_iterator_move_next(const fx_iterator *obj)
+{
+	struct fx_assembly_type_iterator_p *it = fx_object_get_private(
+		obj,
+		fx_assembly_type_iterator_get_type());
+	if (!it->it_item) {
+		return FX_ERR_NO_DATA;
+	}
+
+	fx_value_unset(&it->it_value);
+	struct map_item *next = map_item_next(&it->it_item->e_map_item);
+	it->it_item = fx_unbox(struct type, next, e_map_item);
+	if (!it->it_item) {
+		return FX_ERR_NO_DATA;
+	}
+
+	const fx_type *ty = fx_type_get_by_id(it->it_item->e_type);
+	it->it_value = FX_VALUE_OBJECT_REF(ty);
+
+	return FX_SUCCESS;
+}
+
+static const fx_value *type_iterator_get_value(const fx_iterator *obj)
+{
+	struct fx_assembly_type_iterator_p *it = fx_object_get_private(
+		obj,
+		fx_assembly_type_iterator_get_type());
+	if (!it->it_item) {
+		return NULL;
+	}
+
+	return &it->it_value;
+}
+
+static enum fx_status assembly_iterator_move_next(const fx_iterator *obj)
+{
+	struct fx_assembly_iterator_p *it
+		= fx_object_get_private(obj, fx_assembly_iterator_get_type());
+	if (!it->it_cur) {
+		return FX_ERR_NO_DATA;
+	}
+
+	fx_value_unset(&it->it_value);
+	it->it_cur = fx_namemap_next(&assembly_map, it->it_cur);
+	if (!it->it_cur) {
+		return FX_ERR_NO_DATA;
+	}
+
+	struct fx_assembly_p *assembly
+		= fx_unbox(struct fx_assembly_p, it->it_cur, a_entry);
+
+	it->it_value = FX_VALUE_OBJECT_REF(assembly->a_self);
+	return FX_SUCCESS;
+}
+
+static const fx_value *assembly_iterator_get_value(const fx_iterator *obj)
+{
+	struct fx_assembly_iterator_p *it
+		= fx_object_get_private(obj, fx_assembly_iterator_get_type());
+	if (!it->it_cur) {
+		return NULL;
+	}
+
+	return &it->it_value;
+}
+
 /*** CLASS DEFINITION *********************************************************/
 
-// ---- fx_string DEFINITION
 FX_TYPE_CLASS_BEGIN(fx_assembly)
 	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
 		FX_INTERFACE_ENTRY(to_string) = NULL;
@@ -257,8 +556,47 @@ FX_TYPE_CLASS_END(fx_assembly)
 
 FX_TYPE_DEFINITION_BEGIN(fx_assembly)
 	FX_TYPE_ID(0xf6690c30, 0x6642, 0x42f0, 0xb79f, 0xe2baf3684b1b);
+	FX_TYPE_NAME("fx.reflection.assembly");
 	FX_TYPE_CLASS(fx_assembly_class);
 	FX_TYPE_INSTANCE_PRIVATE(struct fx_assembly_p);
 	FX_TYPE_INSTANCE_INIT(assembly_init);
 	FX_TYPE_INSTANCE_FINI(assembly_fini);
 FX_TYPE_DEFINITION_END(fx_assembly)
+
+FX_TYPE_CLASS_BEGIN(fx_assembly_type_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = type_iterator_move_next;
+		FX_INTERFACE_ENTRY(it_get_value) = type_iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_assembly_type_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_assembly_type_iterator)
+	FX_TYPE_ID(0x74ecb8df, 0x155d, 0x4e45, 0x96a6, 0x0f71e3ea0a1e);
+	FX_TYPE_NAME("fx.reflection.assembly.type_iterator");
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_assembly_type_iterator_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_assembly_type_iterator_p);
+FX_TYPE_DEFINITION_END(fx_assembly_type_iterator)
+
+FX_TYPE_CLASS_BEGIN(fx_assembly_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = assembly_iterator_move_next;
+		FX_INTERFACE_ENTRY(it_get_value) = assembly_iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_assembly_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_assembly_iterator)
+	FX_TYPE_ID(0x391f8d65, 0x9baf, 0x4941, 0xbdbe, 0xe739226f8947);
+	FX_TYPE_NAME("fx.reflection.assembly.iterator");
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_assembly_iterator_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_assembly_iterator_p);
+FX_TYPE_DEFINITION_END(fx_assembly_iterator)

fx.reflection/function.c

@@ -1,6 +1,7 @@
 #include <fx/macros.h>
 #include <fx/reflection/function.h>
 #include <fx/string.h>
+#include <fx/value-type.h>
 #include <fx/value.h>
 #include <platform/callvm.h>
 
@@ -8,8 +9,8 @@ struct fx_function_p {
 	char *func_name;
 	fx_function_flags func_flags;
 	fx_function_impl func_impl;
-	fx_value_type func_return_type;
-	fx_value_type *func_arg_types;
+	fx_type_id func_return_type;
+	fx_type_id *func_arg_types;
 	/* number of explicit arguments that the function takes.
 	 * if the FX_FUNCTION_F_VARARG flag is set, the function supports a
 	 * variable number of arguments, which may be handled differently by the
@@ -61,6 +62,29 @@ static fx_status function_bind(
 	return FX_SUCCESS;
 }
 
+static void push_arg(
+	const fx_value *arg,
+	fx_type_id param_type,
+	struct callvm *vm)
+{
+	if (!param_type) {
+		callvm_push(vm, arg);
+		return;
+	}
+
+	unsigned int param_value_type = __fx_type_get_value_type(param_type);
+	if (param_value_type == __FX_VALUE_TYPE_CSTR
+	    && fx_value_is_type(arg, FX_TYPE_STRING)) {
+		fx_object *obj;
+		fx_value_get_object(arg, &obj);
+		fx_value cstr = FX_CSTR(fx_string_get_cstr(obj));
+		callvm_push(vm, &cstr);
+		return;
+	}
+
+	callvm_push(vm, arg);
+}
+
 static fx_status function_invoke(
 	const struct fx_function_p *func,
 	const fx_value *args,
@@ -84,14 +108,27 @@ static fx_status function_invoke(
 	struct callvm vm = {0};
 	callvm_reset(&vm, nr_fixed_args);
 
+	size_t param_index = 0;
 	for (size_t i = 0; i < func->func_nr_bound_args; i++) {
 		const fx_value *arg = &func->func_bound_args[i];
-		callvm_push(&vm, arg);
+		fx_type_id param_type = NULL;
+		if (param_index < func->func_nr_args) {
+			param_type = func->func_arg_types[param_index];
+		}
+
+		push_arg(arg, param_type, &vm);
+		param_index++;
 	}
 
 	for (size_t i = 0; i < nr_args; i++) {
 		const fx_value *arg = &args[i];
-		callvm_push(&vm, arg);
+		fx_type_id param_type = NULL;
+		if (param_index < func->func_nr_args) {
+			param_type = func->func_arg_types[param_index];
+		}
+
+		push_arg(arg, param_type, &vm);
+		param_index++;
 	}
 
 	*return_value = callvm_invoke(
@@ -109,9 +146,9 @@ fx_function *fx_function_create(
 	const char *name,
 	fx_function_flags flags,
 	fx_function_impl impl,
-	const fx_value_type *args,
+	const fx_type_id *args,
 	size_t nr_args,
-	fx_value_type return_type)
+	fx_type_id return_type)
 {
 	fx_function *func = fx_object_create(FX_REFLECTION_TYPE_FUNCTION);
 	if (!func) {
@@ -122,7 +159,7 @@ fx_function *fx_function_create(
 		func,
 		FX_REFLECTION_TYPE_FUNCTION);
 
-	if (nr_args == 1 && args[0] == FX_VALUE_TYPE_NONE) {
+	if (nr_args == 1 && args[0] == NULL) {
 		nr_args = 0;
 	}
 
@@ -191,8 +228,7 @@ static void function_fini(fx_object *obj, void *priv)
 	}
 }
 
-/*** CLASS DEFINITION
- * *********************************************************/
+/*** CLASS DEFINITION *********************************************************/
 
 FX_TYPE_CLASS_BEGIN(fx_function)
 	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)

fx.reflection/include/fx/reflection/assembly.h

@@ -1,6 +1,7 @@
 #ifndef FX_REFLECTION_ASSEMBLY_H_
 #define FX_REFLECTION_ASSEMBLY_H_
 
+#include <fx/iterator.h>
 #include <fx/macros.h>
 
 FX_DECLS_BEGIN;
@@ -16,20 +17,33 @@ FX_API fx_type_id fx_assembly_get_type();
 
 FX_TYPE_DEFAULT_CONSTRUCTOR(fx_assembly, FX_REFLECTION_TYPE_ASSEMBLY);
 
-FX_API void fx_assembly_set_name(fx_assembly *asm, const char *name);
+FX_API fx_iterator *fx_assembly_get_all(void);
+FX_API const fx_assembly *fx_assembly_get_by_name(const char *name);
+
+FX_API fx_status fx_assembly_register(fx_assembly *assembly);
+FX_API void fx_assembly_set_name(fx_assembly *assembly, const char *name);
 FX_API void fx_assembly_set_version(
-	fx_assembly *asm,
+	fx_assembly *assembly,
 	long major,
 	long minor,
 	long build,
 	long revision);
 
 FX_API void fx_assembly_add_type(
-	fx_assembly *asm,
+	fx_assembly *assembly,
 	const char *full_name,
 	fx_type_id type_id);
+FX_API fx_iterator *fx_assembly_get_types(const fx_assembly *assembly);
 
-FX_API void fx_assembly_dump(const fx_assembly *asm);
+FX_API const char *fx_assembly_get_name(const fx_assembly *assembly);
+FX_API void fx_assembly_get_version(
+	const fx_assembly *assembly,
+	long *out_major,
+	long *out_minor,
+	long *out_build,
+	long *out_revision);
+
+FX_API void fx_assembly_dump(const fx_assembly *assembly);
 
 FX_DECLS_END;
 

fx.reflection/include/fx/reflection/function.h

@@ -32,9 +32,9 @@ FX_API fx_function *fx_function_create(
 	const char *name,
 	fx_function_flags flags,
 	fx_function_impl impl,
-	const fx_value_type *args,
+	const fx_type_id *args,
 	size_t nr_args,
-	fx_value_type return_type);
+	fx_type_id return_type);
 FX_API fx_status
 fx_function_bind(fx_function *func, fx_value *args, size_t nr_args);
 FX_API fx_status fx_function_invoke(

fx.reflection/include/fx/reflection/property.h

@@ -1,4 +1,38 @@
 #ifndef FX_REFLECTION_PROPERTY_H_
 #define FX_REFLECTION_PROPERTY_H_
 
+#include <fx/macros.h>
+#include <fx/value.h>
+
+FX_DECLS_BEGIN;
+
+#define FX_REFLECTION_TYPE_PROPERTY (fx_property_get_type())
+
+FX_DECLARE_TYPE(fx_property)
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_property)
+FX_TYPE_CLASS_DECLARATION_END(fx_property)
+
+typedef fx_status (
+	*fx_property_getter)(const fx_value *, const fx_property *, fx_value *);
+typedef fx_status (
+	*fx_property_setter)(fx_value *, const fx_property *, fx_value *);
+
+FX_API fx_type_id fx_property_get_type(void);
+
+FX_API fx_property *fx_property_create(
+	const char *name,
+	fx_property_getter get,
+	fx_property_setter set);
+
+FX_API const char *fx_property_get_name(const fx_property *prop);
+FX_API fx_status fx_property_get_value(
+	const fx_property *prop,
+	const fx_value *container,
+	fx_value *out);
+FX_API fx_status fx_property_set_value(
+	const fx_property *prop,
+	fx_value *container,
+	fx_value *new_value);
+
 #endif

fx.reflection/include/fx/reflection/type.h

@@ -1,8 +1,11 @@
 #ifndef FX_REFLECTION_TYPE_H_
 #define FX_REFLECTION_TYPE_H_
 
+#include <fx/iterator.h>
 #include <fx/macros.h>
+#include <fx/reflection/assembly.h>
 #include <fx/reflection/function.h>
+#include <fx/reflection/property.h>
 
 FX_DECLS_BEGIN;
 
@@ -17,14 +20,27 @@ FX_TYPE_CLASS_DECLARATION_END(fx_type)
 
 FX_API fx_type_id fx_type_get_type();
 
+FX_API const fx_assembly *fx_type_get_assembly(const fx_type *ty);
+FX_API fx_status fx_type_set_assembly(fx_type *ty, fx_assembly *assembly);
+
 FX_API const char *fx_type_get_name(const fx_type *ty);
+FX_API fx_type_flags fx_type_get_flags(const fx_type *ty);
 FX_API const fx_function *fx_type_get_function(
 	const fx_type *ty,
 	const char *name);
+FX_API fx_iterator *fx_type_get_functions(const fx_type *ty);
+FX_API const fx_property *fx_type_get_property(
+	const fx_type *ty,
+	const char *name);
+FX_API fx_iterator *fx_type_get_properties(const fx_type *ty);
 
 FX_API const fx_type *fx_type_get_by_id(fx_type_id id);
 FX_API const fx_type *fx_type_get_by_name(const char *name);
 
+FX_API fx_type_id fx_type_get_id(const fx_type *ty);
+FX_API const fx_type *fx_type_get_parent(const fx_type *ty);
+FX_API void *fx_type_get_interface(const fx_type *ty, fx_type_id interface_id);
+
 FX_API fx_type *__fx_type_create(struct fx_type_info *opaque);
 
 #endif

fx.reflection/property.c

@@ -0,0 +1,140 @@
+#include <fx/macros.h>
+#include <fx/reflection/property.h>
+#include <fx/string.h>
+#include <fx/value-type.h>
+#include <fx/value.h>
+#include <platform/callvm.h>
+
+struct fx_property_p {
+	fx_property *prop_self;
+	char *prop_name;
+	fx_property_getter prop_getter;
+	fx_property_setter prop_setter;
+};
+
+/*** PRIVATE FUNCTIONS ********************************************************/
+
+static const char *property_get_name(const struct fx_property_p *prop)
+{
+	return prop->prop_name;
+}
+
+static fx_status property_get_value(
+	const struct fx_property_p *prop,
+	const fx_value *container,
+	fx_value *out)
+{
+	if (!prop->prop_getter) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	return prop->prop_getter(container, prop->prop_self, out);
+}
+
+static fx_status property_set_value(
+	const struct fx_property_p *prop,
+	fx_value *container,
+	fx_value *new_value)
+{
+	if (!prop->prop_setter) {
+		return FX_ERR_NOT_SUPPORTED;
+	}
+
+	return prop->prop_setter(container, prop->prop_self, new_value);
+}
+
+/*** PUBLIC FUNCTIONS *********************************************************/
+
+fx_property *fx_property_create(
+	const char *name,
+	fx_property_getter getter,
+	fx_property_setter setter)
+{
+	fx_property *prop = fx_object_create(FX_REFLECTION_TYPE_PROPERTY);
+	if (!prop) {
+		return NULL;
+	}
+
+	struct fx_property_p *p = fx_object_get_private(
+		prop,
+		FX_REFLECTION_TYPE_PROPERTY);
+
+	p->prop_name = fx_strdup(name);
+	if (!p->prop_name) {
+		fx_property_unref(prop);
+		return NULL;
+	}
+
+	p->prop_self = prop;
+	p->prop_getter = getter;
+	p->prop_setter = setter;
+
+	return prop;
+}
+
+const char *fx_property_get_name(const fx_property *prop)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_PROPERTY,
+		property_get_name,
+		prop);
+}
+
+fx_status fx_property_get_value(
+	const fx_property *prop,
+	const fx_value *container,
+	fx_value *out)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_REFLECTION_TYPE_PROPERTY,
+		property_get_value,
+		prop,
+		container,
+		out);
+}
+
+fx_status fx_property_set_value(
+	const fx_property *prop,
+	fx_value *container,
+	fx_value *new_value)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_REFLECTION_TYPE_PROPERTY,
+		property_set_value,
+		prop,
+		container,
+		new_value);
+}
+
+/*** VIRTUAL FUNCTIONS ********************************************************/
+
+static void property_init(fx_object *obj, void *priv)
+{
+}
+
+static void property_fini(fx_object *obj, void *priv)
+{
+	struct fx_property_p *p = priv;
+	if (p->prop_name) {
+		free(p->prop_name);
+		p->prop_name = NULL;
+	}
+}
+
+/*** CLASS DEFINITION
+ * *********************************************************/
+
+FX_TYPE_CLASS_BEGIN(fx_property)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
+		FX_INTERFACE_ENTRY(to_string) = NULL;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
+FX_TYPE_CLASS_END(fx_property)
+
+FX_TYPE_DEFINITION_BEGIN(fx_property)
+	FX_TYPE_ID(0x7007a5ef, 0x3caf, 0x4215, 0x8c0b, 0xd54bf8195624);
+	FX_TYPE_NAME("fx.reflection.property");
+	FX_TYPE_CLASS(fx_property_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_property_p);
+	FX_TYPE_INSTANCE_INIT(property_init);
+	FX_TYPE_INSTANCE_FINI(property_fini);
+FX_TYPE_DEFINITION_END(fx_property)

fx.reflection/sys/apple/aarch64/callvm.c

@@ -1,3 +1,6 @@
+#include <fx/type.h>
+#include <fx/value-type.h>
+#include <fx/value.h>
 #include <platform/callvm.h>
 #include <stdlib.h>
 
@@ -77,13 +80,88 @@ void callvm_push(struct callvm *vm, const fx_value *value)
 		return;
 	}
 
-	switch (value->v_type.t_primitive) {
-	case FX_VALUE_TYPE_DOUBLE:
+	if (!fx_type_is_value_type(value->v_type)) {
+		push_int(vm, (uintptr_t)value->v_object);
+		return;
+	}
+
+	unsigned int value_type = __fx_type_get_value_type(value->v_type);
+
+	switch (value_type) {
+	case __FX_VALUE_TYPE_BOOL:
+		push_int(vm, value->v_bool);
+		break;
+	case __FX_VALUE_TYPE_I16:
+		push_int(vm, value->v_i16);
+		break;
+	case __FX_VALUE_TYPE_U16:
+		push_int(vm, value->v_u16);
+		break;
+	case __FX_VALUE_TYPE_I32:
+		push_int(vm, value->v_i32);
+		break;
+	case __FX_VALUE_TYPE_U32:
+		push_int(vm, value->v_u32);
+		break;
+	case __FX_VALUE_TYPE_I64:
+		push_int(vm, value->v_i64);
+		break;
+	case __FX_VALUE_TYPE_U64:
+		push_int(vm, value->v_u64);
+		break;
+	case __FX_VALUE_TYPE_IPTR:
+		push_int(vm, value->v_iptr);
+		break;
+	case __FX_VALUE_TYPE_UPTR:
+		push_int(vm, value->v_uptr);
+		break;
+	case __FX_VALUE_TYPE_SBYTE:
+		push_int(vm, value->v_sbyte);
+		break;
+	case __FX_VALUE_TYPE_BYTE:
+		push_int(vm, value->v_byte);
+		break;
+	case __FX_VALUE_TYPE_SHORT:
+		push_int(vm, value->v_short);
+		break;
+	case __FX_VALUE_TYPE_USHORT:
+		push_int(vm, value->v_ushort);
+		break;
+	case __FX_VALUE_TYPE_INT:
+		push_int(vm, value->v_int);
+		break;
+	case __FX_VALUE_TYPE_UINT:
+		push_int(vm, value->v_uint);
+		break;
+	case __FX_VALUE_TYPE_LONG:
+		push_int(vm, value->v_long);
+		break;
+	case __FX_VALUE_TYPE_ULONG:
+		push_int(vm, value->v_ulong);
+		break;
+	case __FX_VALUE_TYPE_LONGLONG:
+		push_int(vm, value->v_longlong);
+		break;
+	case __FX_VALUE_TYPE_ULONGLONG:
+		push_int(vm, value->v_ulonglong);
+		break;
+	case __FX_VALUE_TYPE_SIZE:
+		push_int(vm, value->v_size);
+		break;
+	case __FX_VALUE_TYPE_FLOAT:
+		push_double(vm, value->v_float);
+		break;
+	case __FX_VALUE_TYPE_DOUBLE:
 		push_double(vm, value->v_double);
 		break;
-	default:
+	case __FX_VALUE_TYPE_CSTR:
+		push_int(vm, (uintptr_t)value->v_cstr);
+		break;
+	case __FX_VALUE_TYPE_POINTER:
 		push_int(vm, (uintptr_t)value->v_pointer);
 		break;
+	default:
+		break;
 	}
 }
 
@@ -94,17 +172,69 @@ extern void callvm_invoke_v(fx_function_impl impl, struct callvm *vm);
 fx_value callvm_invoke(
 	struct callvm *vm,
 	fx_function_impl impl,
-	fx_value_type return_type)
+	fx_type_id return_type)
 {
-	switch (return_type) {
-	case FX_VALUE_TYPE_NONE:
-		callvm_invoke_v(impl, vm);
-		break;
-	case FX_VALUE_TYPE_DOUBLE:
-		return FX_VALUE_DOUBLE(callvm_invoke_d(impl, vm));
-	default:
-		return FX_VALUE_INT(callvm_invoke_i(impl, vm));
+	if (!fx_type_is_value_type(return_type)) {
+		uintptr_t v = callvm_invoke_i(impl, vm);
+		fx_value result = {
+			.v_type = return_type,
+			.v_object = (fx_object *)v,
+		};
+		return result;
 	}
 
-	return FX_VALUE_EMPTY;
+	unsigned int value_type = __fx_type_get_value_type(return_type);
+
+	switch (value_type) {
+	case __FX_VALUE_TYPE_BOOL:
+		return FX_BOOL(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I16:
+		return FX_I16(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U16:
+		return FX_U16(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I32:
+		return FX_I32(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U32:
+		return FX_U32(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I64:
+		return FX_I64(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U64:
+		return FX_U64(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_IPTR:
+		return FX_IPTR(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_UPTR:
+		return FX_UPTR(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SBYTE:
+		return FX_SBYTE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_BYTE:
+		return FX_BYTE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SHORT:
+		return FX_SHORT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_USHORT:
+		return FX_USHORT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_INT:
+		return FX_INT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_UINT:
+		return FX_UINT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_LONG:
+		return FX_LONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_ULONG:
+		return FX_ULONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_LONGLONG:
+		return FX_LONGLONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_ULONGLONG:
+		return FX_ULONGLONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SIZE:
+		return FX_SIZE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_FLOAT:
+		return FX_FLOAT(callvm_invoke_d(impl, vm));
+	case __FX_VALUE_TYPE_DOUBLE:
+		return FX_DOUBLE(callvm_invoke_d(impl, vm));
+	case __FX_VALUE_TYPE_CSTR:
+		return FX_CSTR((const char *)callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_POINTER:
+		return FX_POINTER((void *)callvm_invoke_i(impl, vm));
+	default:
+		return FX_VALUE_EMPTY;
+	}
 }

fx.reflection/sys/apple/aarch64/include/platform/callvm.h

@@ -5,6 +5,11 @@
 #include <fx/value.h>
 #include <stdint.h>
 
+#define CALLVM_INVOKE_PROTOTYPE(suffix)                                        \
+	fx_value callvm_invoke_##suffix(                                       \
+		struct callvm *vm,                                             \
+		fx_function_impl impl)
+
 #define MAX_FIXED_ARGS  ((unsigned int)-1)
 #define MAX_DOUBLE_ARGS 8
 #define MAX_INT_ARGS    8
@@ -26,11 +31,13 @@ struct callvm {
 	uintptr_t *vm_arg_excess;
 };
 
+typedef fx_value (*callvm_invoke_impl)(struct callvm *, fx_function_impl);
+
 extern void callvm_reset(struct callvm *vm, unsigned int max_fixed_args);
 extern void callvm_push(struct callvm *vm, const fx_value *value);
 extern fx_value callvm_invoke(
 	struct callvm *vm,
 	fx_function_impl impl,
-	fx_value_type return_type);
+	fx_type_id return_type);
 
 #endif

fx.reflection/sys/linux/amd64/callvm.c

@@ -1,3 +1,5 @@
+#include <fx/type.h>
+#include <fx/value-type.h>
 #include <platform/callvm.h>
 #include <stdlib.h>
 
@@ -11,100 +13,229 @@
 		}
 #endif
 
-void callvm_reset(struct callvm* vm, unsigned int max_fixed_args)
+void callvm_reset(struct callvm *vm, unsigned int max_fixed_args)
 {
-        vm->vm_arg_int_count = 0;
-        vm->vm_arg_double_count = 0;
-        vm->vm_arg_fixed = max_fixed_args;
-        vm->vm_arg_excess_count = 0;
-        vm->vm_double_excess_count = 0;
+	vm->vm_arg_int_count = 0;
+	vm->vm_arg_double_count = 0;
+	vm->vm_arg_fixed = max_fixed_args;
+	vm->vm_arg_excess_count = 0;
+	vm->vm_double_excess_count = 0;
 }
 
-static void expand_excess(struct callvm* vm)
+static void expand_excess(struct callvm *vm)
 {
-        size_t new_capacity = vm->vm_arg_excess_max * 2;
-        if (!new_capacity) {
-                new_capacity = 4;
-        }
+	size_t new_capacity = vm->vm_arg_excess_max * 2;
+	if (!new_capacity) {
+		new_capacity = 4;
+	}
 
-        void* buf = realloc(
-            vm->vm_arg_excess,
-            new_capacity * sizeof *vm->vm_arg_excess);
+	void *buf = realloc(
+		vm->vm_arg_excess,
+		new_capacity * sizeof *vm->vm_arg_excess);
 
-        if (!buf) {
-                return;
-        }
+	if (!buf) {
+		return;
+	}
 
-        vm->vm_arg_excess = buf;
-        vm->vm_arg_excess_max = new_capacity;
+	vm->vm_arg_excess = buf;
+	vm->vm_arg_excess_max = new_capacity;
 }
 
-static void push_excess(struct callvm* vm, uintptr_t value)
+static void push_excess(struct callvm *vm, uintptr_t value)
 {
-        if (vm->vm_arg_excess_count + 1 > vm->vm_arg_excess_max) {
-                expand_excess(vm);
-        }
+	if (vm->vm_arg_excess_count + 1 > vm->vm_arg_excess_max) {
+		expand_excess(vm);
+	}
 
-        vm->vm_arg_excess[vm->vm_arg_excess_count++] = value;
-        vm->vm_arg_count++;
+	vm->vm_arg_excess[vm->vm_arg_excess_count++] = value;
+	vm->vm_arg_count++;
 }
 
-static void push_int(struct callvm* vm, uintptr_t value)
+static void push_int(struct callvm *vm, uintptr_t value)
 {
-        if (vm->vm_arg_int_count >= MAX_INT_ARGS) {
-                push_excess(vm, value);
-                return;
-        }
+	if (vm->vm_arg_int_count >= MAX_INT_ARGS) {
+		push_excess(vm, value);
+		return;
+	}
 
-        vm->vm_arg_int[vm->vm_arg_int_count++] = value;
-        vm->vm_arg_count++;
+	vm->vm_arg_int[vm->vm_arg_int_count++] = value;
+	vm->vm_arg_count++;
 }
 
-static void push_double(struct callvm* vm, double value)
+static void push_double(struct callvm *vm, double value)
 {
-        if (vm->vm_arg_double_count >= MAX_DOUBLE_ARGS) {
-                push_excess(vm, *(uintptr_t*)&value);
-                return;
-        }
+	if (vm->vm_arg_double_count >= MAX_DOUBLE_ARGS) {
+		push_excess(vm, *(uintptr_t *)&value);
+		return;
+	}
 
-        vm->vm_arg_double[vm->vm_arg_double_count++] = value;
-        vm->vm_arg_count++;
+	vm->vm_arg_double[vm->vm_arg_double_count++] = value;
+	vm->vm_arg_count++;
 
-        if (vm->vm_arg_count > vm->vm_arg_fixed) {
-                vm->vm_double_excess_count++;
-        }
+	if (vm->vm_arg_count > vm->vm_arg_fixed) {
+		vm->vm_double_excess_count++;
+	}
 }
 
-void callvm_push(struct callvm* vm, const fx_value* value)
+void callvm_push(struct callvm *vm, const fx_value *value)
 {
-        switch (value->v_type.t_primitive) {
-        case FX_VALUE_TYPE_DOUBLE:
-                push_double(vm, value->v_double);
-                break;
-        default:
-                push_int(vm, (uintptr_t)value->v_pointer);
-                break;
-        }
+	if (!fx_type_is_value_type(value->v_type)) {
+		push_int(vm, (uintptr_t)value->v_object);
+		return;
+	}
+
+	unsigned int value_type = __fx_type_get_value_type(value->v_type);
+
+	switch (value_type) {
+	case __FX_VALUE_TYPE_BOOL:
+		push_int(vm, value->v_bool);
+		break;
+	case __FX_VALUE_TYPE_I16:
+		push_int(vm, value->v_i16);
+		break;
+	case __FX_VALUE_TYPE_U16:
+		push_int(vm, value->v_u16);
+		break;
+	case __FX_VALUE_TYPE_I32:
+		push_int(vm, value->v_i32);
+		break;
+	case __FX_VALUE_TYPE_U32:
+		push_int(vm, value->v_u32);
+		break;
+	case __FX_VALUE_TYPE_I64:
+		push_int(vm, value->v_i64);
+		break;
+	case __FX_VALUE_TYPE_U64:
+		push_int(vm, value->v_u64);
+		break;
+	case __FX_VALUE_TYPE_IPTR:
+		push_int(vm, value->v_iptr);
+		break;
+	case __FX_VALUE_TYPE_UPTR:
+		push_int(vm, value->v_uptr);
+		break;
+	case __FX_VALUE_TYPE_SBYTE:
+		push_int(vm, value->v_sbyte);
+		break;
+	case __FX_VALUE_TYPE_BYTE:
+		push_int(vm, value->v_byte);
+		break;
+	case __FX_VALUE_TYPE_SHORT:
+		push_int(vm, value->v_short);
+		break;
+	case __FX_VALUE_TYPE_USHORT:
+		push_int(vm, value->v_ushort);
+		break;
+	case __FX_VALUE_TYPE_INT:
+		push_int(vm, value->v_int);
+		break;
+	case __FX_VALUE_TYPE_UINT:
+		push_int(vm, value->v_uint);
+		break;
+	case __FX_VALUE_TYPE_LONG:
+		push_int(vm, value->v_long);
+		break;
+	case __FX_VALUE_TYPE_ULONG:
+		push_int(vm, value->v_ulong);
+		break;
+	case __FX_VALUE_TYPE_LONGLONG:
+		push_int(vm, value->v_longlong);
+		break;
+	case __FX_VALUE_TYPE_ULONGLONG:
+		push_int(vm, value->v_ulonglong);
+		break;
+	case __FX_VALUE_TYPE_SIZE:
+		push_int(vm, value->v_size);
+		break;
+	case __FX_VALUE_TYPE_FLOAT:
+		push_double(vm, value->v_float);
+		break;
+	case __FX_VALUE_TYPE_DOUBLE:
+		push_double(vm, value->v_double);
+		break;
+	case __FX_VALUE_TYPE_CSTR:
+		push_int(vm, (uintptr_t)value->v_cstr);
+		break;
+	case __FX_VALUE_TYPE_POINTER:
+		push_int(vm, (uintptr_t)value->v_pointer);
+		break;
+	default:
+		break;
+	}
 }
 
-extern uintptr_t callvm_invoke_i(fx_function_impl impl, struct callvm* vm);
-extern double callvm_invoke_d(fx_function_impl impl, struct callvm* vm);
-extern void callvm_invoke_v(fx_function_impl impl, struct callvm* vm);
+extern uintptr_t callvm_invoke_i(fx_function_impl impl, struct callvm *vm);
+extern double callvm_invoke_d(fx_function_impl impl, struct callvm *vm);
+extern void callvm_invoke_v(fx_function_impl impl, struct callvm *vm);
 
 fx_value callvm_invoke(
-    struct callvm* vm,
-    fx_function_impl impl,
-    fx_value_type return_type)
+	struct callvm *vm,
+	fx_function_impl impl,
+	fx_type_id return_type)
 {
-        switch (return_type) {
-        case FX_VALUE_TYPE_NONE:
-                callvm_invoke_v(impl, vm);
-                break;
-        case FX_VALUE_TYPE_DOUBLE:
-                return FX_VALUE_DOUBLE(callvm_invoke_d(impl, vm));
-        default:
-                return FX_VALUE_INT(callvm_invoke_i(impl, vm));
-        }
+	if (!fx_type_is_value_type(return_type)) {
+		uintptr_t v = callvm_invoke_i(impl, vm);
+		fx_value result = {
+			.v_type = return_type,
+			.v_object = (fx_object *)v,
+		};
+		return result;
+	}
 
-        return FX_VALUE_EMPTY;
+	unsigned int value_type = __fx_type_get_value_type(return_type);
+
+	switch (value_type) {
+	case __FX_VALUE_TYPE_BOOL:
+		return FX_BOOL(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I16:
+		return FX_I16(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U16:
+		return FX_U16(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I32:
+		return FX_I32(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U32:
+		return FX_U32(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I64:
+		return FX_I64(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U64:
+		return FX_U64(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_IPTR:
+		return FX_IPTR(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_UPTR:
+		return FX_UPTR(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SBYTE:
+		return FX_SBYTE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_BYTE:
+		return FX_BYTE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SHORT:
+		return FX_SHORT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_USHORT:
+		return FX_USHORT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_INT:
+		return FX_INT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_UINT:
+		return FX_UINT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_LONG:
+		return FX_LONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_ULONG:
+		return FX_ULONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_LONGLONG:
+		return FX_LONGLONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_ULONGLONG:
+		return FX_ULONGLONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SIZE:
+		return FX_SIZE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_FLOAT:
+		return FX_FLOAT(callvm_invoke_d(impl, vm));
+	case __FX_VALUE_TYPE_DOUBLE:
+		return FX_DOUBLE(callvm_invoke_d(impl, vm));
+	case __FX_VALUE_TYPE_CSTR:
+		return FX_CSTR((const char *)callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_POINTER:
+		return FX_POINTER((void *)callvm_invoke_i(impl, vm));
+	default:
+		return FX_VALUE_EMPTY;
+	}
+
+	return FX_VALUE_EMPTY;
 }

fx.reflection/sys/linux/amd64/include/platform/callvm.h

@@ -32,6 +32,6 @@ extern void callvm_push(struct callvm *vm, const fx_value *value);
 extern fx_value callvm_invoke(
 	struct callvm *vm,
 	fx_function_impl impl,
-	fx_value_type return_type);
+	fx_type_id return_type);
 
 #endif

fx.reflection/sys/rosetta/amd64/callvm.S

@@ -0,0 +1,95 @@
+.extern memcpy
+.type memcpy, @function
+
+.global callvm_invoke_i
+.type callvm_invoke_i, @function
+
+# %rdi = (function ptr) impl
+# %rsi = (struct callvm) context
+callvm_invoke_i:
+	# save the stack frame pointer
+	push %rbp
+	mov %rsp, %rbp
+
+	# store function pointer for later
+	push %r12
+	push %r13
+	push %r14
+	push %r15
+
+	# move our parameters out of the way
+	mov %rdi, %r11
+	mov %rsi, %r12
+
+	# calculate the amount of stack space needed for the varargs
+	movq 32(%r12), %r13
+	shl $3, %r13
+
+	# allocate the stack space
+	push %rsp
+	sub %r13, %rsp
+	andq $0xFFFFFFFFFFFFFFF0, %rsp # re-align the stack
+
+	# copy the excess args to the stack
+	mov %rsp, %rdi
+	mov 160(%r12), %rsi
+	mov %r13, %rdx
+	call memcpy
+
+	# Next, set up the fixed integer arguments
+
+	movq 48(%r12), %rdi	# int arg 0
+	movq 56(%r12), %rsi	# int arg 1
+	movq 64(%r12), %rdx	# int arg 2
+	movq 72(%r12), %rcx	# int arg 3
+	movq 80(%r12), %r8	# int arg 4
+	movq 88(%r12), %r9	# int arg 5
+
+	# Finally, set up the fixed double arguments
+
+	movq 96(%r12), %xmm0	# double arg 0
+	movq 104(%r12), %xmm1	# double arg 1
+	movq 112(%r12), %xmm2	# double arg 2
+	movq 120(%r12), %xmm3	# double arg 3
+	movq 128(%r12), %xmm4	# double arg 4
+	movq 136(%r12), %xmm5	# double arg 5
+	movq 144(%r12), %xmm6	# double arg 6
+	movq 152(%r12), %xmm7	# double arg 7
+
+	# set the number of vararg double parameters
+	# as required by the ABI
+	mov 168(%r12), %rax
+
+	# call the function implementation
+	call *%r11
+
+	# Restore the stack pointer (deallocating the varargs buffer)
+	mov -40(%rbp), %rsp
+
+	# Restore callee-saved registers
+	pop %r15
+	pop %r14
+	pop %r13
+	pop %r12
+
+	# restore the saved stack frame
+	pop %rbp
+	ret
+
+
+.global callvm_invoke_d
+.type callvm_invoke_d, @function
+
+# %rdi = (function ptr) impl
+# %rsi = (struct callvm *) context
+callvm_invoke_d:
+	jmp callvm_invoke_i
+
+
+.global callvm_invoke_v
+.type callvm_invoke_v, @function
+
+# %rdi = (function ptr) impl
+# %rsi = (struct callvm *) context
+callvm_invoke_v:
+	jmp callvm_invoke_i

fx.reflection/sys/rosetta/amd64/callvm.c

@@ -0,0 +1,243 @@
+#include <fx/type.h>
+#include <fx/value-type.h>
+#include <platform/callvm.h>
+#include <stdlib.h>
+
+#if 0
+		switch (arg->v_type.t_primitive) {
+		case FX_VALUE_TYPE_DOUBLE:
+			break;
+		default:
+			callvm_push_int(&vm, (uintptr_t)arg->v_pointer);
+			break;
+		}
+#endif
+
+void callvm_reset(struct callvm *vm, unsigned int max_fixed_args)
+{
+	vm->vm_arg_int_count = 0;
+	vm->vm_arg_double_count = 0;
+	vm->vm_arg_fixed = max_fixed_args;
+	vm->vm_arg_excess_count = 0;
+	vm->vm_double_excess_count = 0;
+}
+
+static void expand_excess(struct callvm *vm)
+{
+	size_t new_capacity = vm->vm_arg_excess_max * 2;
+	if (!new_capacity) {
+		new_capacity = 4;
+	}
+
+	void *buf = realloc(
+		vm->vm_arg_excess,
+		new_capacity * sizeof *vm->vm_arg_excess);
+
+	if (!buf) {
+		return;
+	}
+
+	vm->vm_arg_excess = buf;
+	vm->vm_arg_excess_max = new_capacity;
+}
+
+static void push_excess(struct callvm *vm, uintptr_t value)
+{
+	if (vm->vm_arg_excess_count + 1 > vm->vm_arg_excess_max) {
+		expand_excess(vm);
+	}
+
+	vm->vm_arg_excess[vm->vm_arg_excess_count++] = value;
+	vm->vm_arg_count++;
+}
+
+static void push_int(struct callvm *vm, uintptr_t value)
+{
+	if (vm->vm_arg_int_count >= MAX_INT_ARGS) {
+		push_excess(vm, value);
+		return;
+	}
+
+	vm->vm_arg_int[vm->vm_arg_int_count++] = value;
+	vm->vm_arg_count++;
+}
+
+static void push_double(struct callvm *vm, double value)
+{
+	if (vm->vm_arg_double_count >= MAX_DOUBLE_ARGS) {
+		push_excess(vm, *(uintptr_t *)&value);
+		return;
+	}
+
+	vm->vm_arg_double[vm->vm_arg_double_count++] = value;
+	vm->vm_arg_count++;
+
+	if (vm->vm_arg_count > vm->vm_arg_fixed) {
+		vm->vm_double_excess_count++;
+	}
+}
+
+void callvm_push(struct callvm *vm, const fx_value *value)
+{
+	if (!fx_type_is_value_type(value->v_type)) {
+		push_int(vm, (uintptr_t)value->v_object);
+		return;
+	}
+
+	unsigned int value_type = __fx_type_get_value_type(value->v_type);
+
+	switch (value_type) {
+	case __FX_VALUE_TYPE_BOOL:
+		push_int(vm, value->v_bool);
+		break;
+	case __FX_VALUE_TYPE_I16:
+		push_int(vm, value->v_i16);
+		break;
+	case __FX_VALUE_TYPE_U16:
+		push_int(vm, value->v_u16);
+		break;
+	case __FX_VALUE_TYPE_I32:
+		push_int(vm, value->v_i32);
+		break;
+	case __FX_VALUE_TYPE_U32:
+		push_int(vm, value->v_u32);
+		break;
+	case __FX_VALUE_TYPE_I64:
+		push_int(vm, value->v_i64);
+		break;
+	case __FX_VALUE_TYPE_U64:
+		push_int(vm, value->v_u64);
+		break;
+	case __FX_VALUE_TYPE_IPTR:
+		push_int(vm, value->v_iptr);
+		break;
+	case __FX_VALUE_TYPE_UPTR:
+		push_int(vm, value->v_uptr);
+		break;
+	case __FX_VALUE_TYPE_SBYTE:
+		push_int(vm, value->v_sbyte);
+		break;
+	case __FX_VALUE_TYPE_BYTE:
+		push_int(vm, value->v_byte);
+		break;
+	case __FX_VALUE_TYPE_SHORT:
+		push_int(vm, value->v_short);
+		break;
+	case __FX_VALUE_TYPE_USHORT:
+		push_int(vm, value->v_ushort);
+		break;
+	case __FX_VALUE_TYPE_INT:
+		push_int(vm, value->v_int);
+		break;
+	case __FX_VALUE_TYPE_UINT:
+		push_int(vm, value->v_uint);
+		break;
+	case __FX_VALUE_TYPE_LONG:
+		push_int(vm, value->v_long);
+		break;
+	case __FX_VALUE_TYPE_ULONG:
+		push_int(vm, value->v_ulong);
+		break;
+	case __FX_VALUE_TYPE_LONGLONG:
+		push_int(vm, value->v_longlong);
+		break;
+	case __FX_VALUE_TYPE_ULONGLONG:
+		push_int(vm, value->v_ulonglong);
+		break;
+	case __FX_VALUE_TYPE_SIZE:
+		push_int(vm, value->v_size);
+		break;
+	case __FX_VALUE_TYPE_FLOAT:
+		push_double(vm, value->v_float);
+		break;
+	case __FX_VALUE_TYPE_DOUBLE:
+		push_double(vm, value->v_double);
+		break;
+	case __FX_VALUE_TYPE_CSTR:
+		push_int(vm, (uintptr_t)value->v_cstr);
+		break;
+	case __FX_VALUE_TYPE_POINTER:
+		push_int(vm, (uintptr_t)value->v_pointer);
+		break;
+	default:
+		break;
+	}
+}
+
+extern uintptr_t callvm_invoke_i(fx_function_impl impl, struct callvm *vm);
+extern double callvm_invoke_d(fx_function_impl impl, struct callvm *vm);
+extern void callvm_invoke_v(fx_function_impl impl, struct callvm *vm);
+
+fx_value callvm_invoke(
+	struct callvm *vm,
+	fx_function_impl impl,
+	fx_type_id return_type)
+{
+	if (!fx_type_is_value_type(return_type)) {
+		uintptr_t v = callvm_invoke_i(impl, vm);
+		fx_value result = {
+			.v_type = return_type,
+			.v_object = (fx_object *)v,
+		};
+		return result;
+	}
+
+	unsigned int value_type = __fx_type_get_value_type(return_type);
+
+	switch (value_type) {
+	case __FX_VALUE_TYPE_BOOL:
+		return FX_BOOL(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I16:
+		return FX_I16(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U16:
+		return FX_U16(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I32:
+		return FX_I32(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U32:
+		return FX_U32(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_I64:
+		return FX_I64(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_U64:
+		return FX_U64(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_IPTR:
+		return FX_IPTR(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_UPTR:
+		return FX_UPTR(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SBYTE:
+		return FX_SBYTE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_BYTE:
+		return FX_BYTE(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SHORT:
+		return FX_SHORT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_USHORT:
+		return FX_USHORT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_INT:
+		return FX_INT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_UINT:
+		return FX_UINT(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_LONG:
+		return FX_LONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_ULONG:
+		return FX_ULONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_LONGLONG:
+		return FX_LONGLONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_ULONGLONG:
+		return FX_ULONGLONG(callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_SIZE:
+		return FX_SIZE(callvm_invoke_i(impl, vm));
+#if FX_ENABLE_FLOATING_POINT
+	case __FX_VALUE_TYPE_FLOAT:
+		return FX_FLOAT(callvm_invoke_d(impl, vm));
+	case __FX_VALUE_TYPE_DOUBLE:
+		return FX_DOUBLE(callvm_invoke_d(impl, vm));
+#endif
+	case __FX_VALUE_TYPE_CSTR:
+		return FX_CSTR((const char *)callvm_invoke_i(impl, vm));
+	case __FX_VALUE_TYPE_POINTER:
+		return FX_POINTER((void *)callvm_invoke_i(impl, vm));
+	default:
+		return FX_VALUE_EMPTY;
+	}
+
+	return FX_VALUE_EMPTY;
+}

fx.reflection/sys/rosetta/amd64/include/platform/callvm.h

@@ -0,0 +1,37 @@
+#ifndef FX_REFLECTION_DARWIN_ARM64_CALLVM_H_
+#define FX_REFLECTION_DARWIN_ARM64_CALLVM_H_
+
+#include <fx/reflection/function.h>
+#include <fx/value.h>
+#include <stdint.h>
+
+#define MAX_FIXED_ARGS  ((unsigned int)-1)
+#define MAX_DOUBLE_ARGS 8
+#define MAX_INT_ARGS    6
+
+/* dyn-dispatch.S depends on the layout of this struct */
+struct callvm {
+	uint64_t vm_arg_int_count;
+	uint64_t vm_arg_double_count;
+
+	/* any args pushed after this limit is reached will be stored in the
+	 * excess buffer. used for calling varargs functions */
+	uint64_t vm_arg_count, vm_arg_fixed;
+
+	uint64_t vm_arg_excess_count;
+	uint64_t vm_arg_excess_max;
+
+	uintptr_t vm_arg_int[MAX_INT_ARGS];
+	double vm_arg_double[MAX_DOUBLE_ARGS];
+	uintptr_t *vm_arg_excess;
+	uint64_t vm_double_excess_count;
+};
+
+extern void callvm_reset(struct callvm *vm, unsigned int max_fixed_args);
+extern void callvm_push(struct callvm *vm, const fx_value *value);
+extern fx_value callvm_invoke(
+	struct callvm *vm,
+	fx_function_impl impl,
+	fx_type_id return_type);
+
+#endif

fx.reflection/type.c

@@ -1,11 +1,44 @@
+#include "../fx/type.h"
+
 #include <fx/macros.h>
 #include <fx/reflection/type.h>
 #include <fx/type.h>
 
 struct fx_type_registration;
 
+#define FX_REFLECTION_TYPE_TYPE_FUNCTION_ITERATOR                              \
+	(fx_type_function_iterator_get_type())
+#define FX_REFLECTION_TYPE_TYPE_PROPERTY_ITERATOR                              \
+	(fx_type_property_iterator_get_type())
+
+FX_DECLARE_TYPE(fx_type_function_iterator);
+FX_DECLARE_TYPE(fx_type_property_iterator);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_type_function_iterator)
+FX_TYPE_CLASS_DECLARATION_END(fx_type_function_iterator)
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_type_property_iterator)
+FX_TYPE_CLASS_DECLARATION_END(fx_type_property_iterator)
+
+FX_API fx_type_id fx_type_function_iterator_get_type();
+FX_API fx_type_id fx_type_property_iterator_get_type();
+
 struct fx_type_p {
 	struct fx_type_info *ty_info;
+	fx_assembly *ty_assembly;
+};
+
+struct fx_type_function_iterator_p {
+	struct fx_namemap *it_src;
+	struct fx_namemap_entry *it_cur;
+	fx_value it_value;
+};
+
+struct fx_type_property_iterator_p {
+	const fx_type_info *it_cur_type;
+	struct fx_namemap *it_src;
+	struct fx_namemap_entry *it_cur;
+	fx_value it_value;
 };
 
 /*** PRIVATE FUNCTIONS ********************************************************/
@@ -16,11 +49,27 @@ extern fx_function *fx_type_info_get_function_by_name(
 	const struct fx_type_info *ty,
 	const char *name);
 
+static const fx_assembly *type_get_assembly(const struct fx_type_p *ty)
+{
+	return ty->ty_assembly;
+}
+
+static fx_status type_set_assembly(struct fx_type_p *ty, fx_assembly *assembly)
+{
+	ty->ty_assembly = assembly;
+	return FX_SUCCESS;
+}
+
 static const char *type_get_name(const struct fx_type_p *ty)
 {
 	return ty->ty_info->ty_name;
 }
 
+static fx_type_flags type_get_flags(const struct fx_type_p *ty)
+{
+	return ty->ty_info->ty_flags;
+}
+
 const fx_function *type_get_function(
 	const struct fx_type_p *ty,
 	const char *name)
@@ -28,6 +77,102 @@ const fx_function *type_get_function(
 	return fx_type_info_get_function_by_name(ty->ty_info, name);
 }
 
+fx_iterator *type_get_functions(const struct fx_type_p *ty)
+{
+	fx_type_function_iterator *it_obj
+		= fx_object_create(FX_REFLECTION_TYPE_TYPE_FUNCTION_ITERATOR);
+	struct fx_type_function_iterator_p *it = fx_object_get_private(
+		it_obj,
+		FX_REFLECTION_TYPE_TYPE_FUNCTION_ITERATOR);
+
+	it->it_src = &ty->ty_info->ty_functions;
+	it->it_cur = fx_namemap_first(it->it_src);
+
+	return it_obj;
+}
+
+const fx_property *type_get_property(
+	const struct fx_type_p *ty,
+	const char *name)
+{
+	struct fx_type_info *cur = ty->ty_info;
+	while (cur) {
+		const fx_property *prop
+			= fx_type_info_get_property_by_name(cur, name);
+		if (prop) {
+			return prop;
+		}
+
+		if (fx_type_id_compare(&cur->ty_id, FX_TYPE_OBJECT) == 0) {
+			break;
+		}
+
+		cur = fx_type_info_get_by_id(&cur->ty_parent_id);
+	}
+
+	return NULL;
+}
+
+static fx_iterator *type_get_properties(const struct fx_type_p *ty)
+{
+	fx_type_property_iterator *it_obj
+		= fx_object_create(FX_REFLECTION_TYPE_TYPE_PROPERTY_ITERATOR);
+	struct fx_type_property_iterator_p *it = fx_object_get_private(
+		it_obj,
+		FX_REFLECTION_TYPE_TYPE_PROPERTY_ITERATOR);
+
+	it->it_cur_type = ty->ty_info;
+	it->it_src = &ty->ty_info->ty_properties;
+	it->it_cur = fx_namemap_first(it->it_src);
+	while (!it->it_cur) {
+		if (fx_type_id_compare(&it->it_cur_type->ty_id, FX_TYPE_OBJECT)
+		    == 0) {
+			break;
+		}
+
+		const struct fx_type_info *next_type
+			= fx_type_info_get_by_id(&it->it_cur_type
+		                                          ->ty_parent_id);
+		if (!next_type) {
+			break;
+		}
+
+		it->it_cur_type = next_type;
+		it->it_cur = fx_namemap_first(&it->it_cur_type->ty_properties);
+	}
+
+	if (!it->it_cur) {
+		fx_iterator_set_status(it_obj, FX_ERR_NO_DATA);
+	}
+
+	struct fx_type_property *prop
+		= fx_unbox(struct fx_type_property, it->it_cur, p_entry);
+	it->it_value = FX_VALUE_OBJECT_REF(prop->p_prop);
+
+	return it_obj;
+}
+
+static fx_type_id type_get_id(const struct fx_type_p *ty)
+{
+	return &ty->ty_info->ty_id;
+}
+
+static const fx_type *type_get_parent(const struct fx_type_p *ty)
+{
+	if (fx_type_id_compare(&ty->ty_info->ty_id, FX_TYPE_OBJECT) == 0) {
+		return NULL;
+	}
+
+	return fx_type_get_by_id(&ty->ty_info->ty_parent_id);
+}
+
+static void *type_get_interface(
+	const struct fx_type_p *ty,
+	fx_type_id interface_id)
+{
+	return fx_class_get_interface(ty->ty_info->ty_class, interface_id);
+}
+
 /*** PUBLIC FUNCTIONS *********************************************************/
 
 fx_type *__fx_type_create(struct fx_type_info *type_info)
@@ -37,19 +182,40 @@ fx_type *__fx_type_create(struct fx_type_info *type_info)
 		return NULL;
 	}
 
-	struct fx_type_p *p = fx_object_get_private(
-		out,
-		FX_REFLECTION_TYPE_TYPE);
+	struct fx_type_p *p
+		= fx_object_get_private(out, FX_REFLECTION_TYPE_TYPE);
 	p->ty_info = type_info;
 
 	return out;
 }
 
+const fx_assembly *fx_type_get_assembly(const fx_type *ty)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_TYPE,
+		type_get_assembly,
+		ty);
+}
+
+fx_status fx_type_set_assembly(fx_type *ty, fx_assembly *assembly)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_REFLECTION_TYPE_TYPE,
+		type_set_assembly,
+		ty,
+		assembly);
+}
+
 const char *fx_type_get_name(const fx_type *ty)
 {
 	FX_CLASS_DISPATCH_STATIC_0(FX_REFLECTION_TYPE_TYPE, type_get_name, ty);
 }
 
+fx_type_flags fx_type_get_flags(const fx_type *ty)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_REFLECTION_TYPE_TYPE, type_get_flags, ty);
+}
+
 const fx_function *fx_type_get_function(const fx_type *ty, const char *name)
 {
 	FX_CLASS_DISPATCH_STATIC(
@@ -59,6 +225,31 @@ const fx_function *fx_type_get_function(const fx_type *ty, const char *name)
 		name);
 }
 
+fx_iterator *fx_type_get_functions(const fx_type *ty)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_TYPE,
+		type_get_functions,
+		ty);
+}
+
+const fx_property *fx_type_get_property(const fx_type *ty, const char *name)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_REFLECTION_TYPE_TYPE,
+		type_get_property,
+		ty,
+		name);
+}
+
+fx_iterator *fx_type_get_properties(const fx_type *ty)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_TYPE,
+		type_get_properties,
+		ty);
+}
+
 const fx_type *fx_type_get_by_id(fx_type_id id)
 {
 	struct fx_type_info *ty = fx_type_info_get_by_id(id);
@@ -71,6 +262,28 @@ const fx_type *fx_type_get_by_name(const char *name)
 	return ty ? ty->ty_metatype : NULL;
 }
 
+fx_type_id fx_type_get_id(const fx_type *ty)
+{
+	FX_CLASS_DISPATCH_STATIC_0(FX_REFLECTION_TYPE_TYPE, type_get_id, ty);
+}
+
+const fx_type *fx_type_get_parent(const fx_type *ty)
+{
+	FX_CLASS_DISPATCH_STATIC_0(
+		FX_REFLECTION_TYPE_TYPE,
+		type_get_parent,
+		ty);
+}
+
+void *fx_type_get_interface(const fx_type *ty, fx_type_id interface_id)
+{
+	FX_CLASS_DISPATCH_STATIC(
+		FX_REFLECTION_TYPE_TYPE,
+		type_get_interface,
+		ty,
+		interface_id);
+}
+
 /*** VIRTUAL FUNCTIONS ********************************************************/
 
 static void type_init(fx_object *obj, void *priv)
@@ -81,12 +294,98 @@ static void type_fini(fx_object *obj, void *priv)
 {
 }
 
+/*** ITERATOR FUNCTIONS *******************************************************/
+
+static enum fx_status function_iterator_move_next(const fx_iterator *obj)
+{
+	struct fx_type_function_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_REFLECTION_TYPE_TYPE_FUNCTION_ITERATOR);
+	if (!it->it_cur) {
+		return FX_ERR_NO_DATA;
+	}
+
+	fx_value_unset(&it->it_value);
+	it->it_cur = fx_namemap_next(it->it_src, it->it_cur);
+	if (!it->it_cur) {
+		return FX_ERR_NO_DATA;
+	}
+
+	struct fx_type_function *func
+		= fx_unbox(struct fx_type_function, it->it_cur, f_entry);
+	it->it_value = FX_VALUE_OBJECT_REF(func->f_func);
+
+	return FX_SUCCESS;
+}
+
+static const fx_value *function_iterator_get_value(const fx_iterator *obj)
+{
+	struct fx_type_function_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_REFLECTION_TYPE_TYPE_FUNCTION_ITERATOR);
+	if (!it->it_cur) {
+		return NULL;
+	}
+
+	return &it->it_value;
+}
+
+static enum fx_status property_iterator_move_next(const fx_iterator *obj)
+{
+	struct fx_type_property_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_REFLECTION_TYPE_TYPE_PROPERTY_ITERATOR);
+	if (!it->it_cur) {
+		return FX_ERR_NO_DATA;
+	}
+
+	it->it_cur = fx_namemap_next(it->it_src, it->it_cur);
+	if (!it->it_cur) {
+		if (fx_type_id_compare(&it->it_cur_type->ty_id, FX_TYPE_OBJECT)
+		    == 0) {
+			return FX_ERR_NO_DATA;
+		}
+
+		const struct fx_type_info *next_type
+			= fx_type_info_get_by_id(&it->it_cur_type
+		                                          ->ty_parent_id);
+		if (!next_type) {
+			return FX_ERR_NO_DATA;
+		}
+
+		it->it_cur_type = next_type;
+		it->it_cur = fx_namemap_first(&it->it_cur_type->ty_properties);
+	}
+
+	if (!it->it_cur) {
+		return FX_ERR_NO_DATA;
+	}
+
+	struct fx_type_property *prop
+		= fx_unbox(struct fx_type_property, it->it_cur, p_entry);
+	it->it_value = FX_VALUE_OBJECT_REF(prop->p_prop);
+
+	return FX_SUCCESS;
+}
+
+static const fx_value *property_iterator_get_value(const fx_iterator *obj)
+{
+	struct fx_type_property_iterator_p *it = fx_object_get_private(
+		obj,
+		FX_REFLECTION_TYPE_TYPE_PROPERTY_ITERATOR);
+	if (!it->it_cur) {
+		return NULL;
+	}
+
+	struct fx_type_property *prop
+		= fx_unbox(struct fx_type_property, it->it_cur, p_entry);
+
+	return &it->it_value;
+}
+
 /*** CLASS DEFINITION *********************************************************/
 
 FX_TYPE_CLASS_BEGIN(fx_type)
-	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_object, FX_TYPE_OBJECT)
-		FX_INTERFACE_ENTRY(to_string) = NULL;
-	FX_TYPE_VTABLE_INTERFACE_END(fx_object, FX_TYPE_OBJECT)
 FX_TYPE_CLASS_END(fx_type)
 
 FX_TYPE_DEFINITION_BEGIN(fx_type)
@@ -97,3 +396,35 @@ FX_TYPE_DEFINITION_BEGIN(fx_type)
 	FX_TYPE_INSTANCE_INIT(type_init);
 	FX_TYPE_INSTANCE_FINI(type_fini);
 FX_TYPE_DEFINITION_END(fx_type)
+
+FX_TYPE_CLASS_BEGIN(fx_type_function_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = function_iterator_move_next;
+		FX_INTERFACE_ENTRY(it_erase) = NULL;
+		FX_INTERFACE_ENTRY(it_get_value) = function_iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_type_function_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_type_function_iterator)
+	FX_TYPE_ID(0xb29012d5, 0x4d6c, 0x4e3c, 0x9fe5, 0x7d1a8a9e1075);
+	FX_TYPE_NAME("fx.reflection.type.function_iterator");
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_type_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_type_function_iterator_p);
+FX_TYPE_DEFINITION_END(fx_type_function_iterator)
+
+FX_TYPE_CLASS_BEGIN(fx_type_property_iterator)
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(fx_iterator, FX_TYPE_ITERATOR)
+		FX_INTERFACE_ENTRY(it_move_next) = property_iterator_move_next;
+		FX_INTERFACE_ENTRY(it_erase) = NULL;
+		FX_INTERFACE_ENTRY(it_get_value) = property_iterator_get_value;
+	FX_TYPE_VTABLE_INTERFACE_END(fx_iterator, FX_TYPE_ITERATOR)
+FX_TYPE_CLASS_END(fx_type_property_iterator)
+
+FX_TYPE_DEFINITION_BEGIN(fx_type_property_iterator)
+	FX_TYPE_ID(0x91fcbdd4, 0x7c54, 0x48c2, 0xa5a4, 0x186f76efd84c);
+	FX_TYPE_NAME("fx.reflection.type.property_iterator");
+	FX_TYPE_EXTENDS(FX_TYPE_ITERATOR);
+	FX_TYPE_CLASS(fx_type_property_iterator_class);
+	FX_TYPE_INSTANCE_PRIVATE(struct fx_type_property_iterator_p);
+FX_TYPE_DEFINITION_END(fx_type_property_iterator)

fx.serial/bitcode.c

@@ -5,7 +5,7 @@
 
 static struct fx_error *bitcode_serialise(
 	fx_serial_ctx *serial,
-	fx_object *src,
+	const fx_value *src,
 	fx_stream *dest,
 	enum fx_serial_flags flags)
 {
@@ -15,7 +15,7 @@ static struct fx_error *bitcode_serialise(
 static struct fx_error *bitcode_deserialise(
 	fx_serial_ctx *serial,
 	fx_stream *src,
-	fx_object **dest,
+	fx_value *dest,
 	enum fx_serial_flags flags)
 {
 	return FX_RESULT_ERR(NOT_SUPPORTED);

fx.serial/ctx.c

@@ -44,7 +44,7 @@ FX_TYPE_DEFINITION_END(fx_serial_ctx)
 
 fx_result fx_serial_ctx_serialise(
 	fx_serial_ctx *ctx,
-	fx_object *src,
+	const fx_value *src,
 	fx_stream *dest,
 	enum fx_serial_flags flags)
 {
@@ -62,7 +62,7 @@ fx_result fx_serial_ctx_serialise(
 fx_result fx_serial_ctx_deserialise(
 	fx_serial_ctx *ctx,
 	fx_stream *src,
-	fx_object **dest,
+	fx_value *dest,
 	enum fx_serial_flags flags)
 {
 	FX_CLASS_DISPATCH_VIRTUAL(

fx.serial/include/fx/serial/ctx.h

@@ -6,6 +6,7 @@
 #include <fx/object.h>
 #include <fx/status.h>
 #include <fx/stream.h>
+#include <fx/value.h>
 
 FX_DECLS_BEGIN;
 
@@ -21,13 +22,13 @@ FX_DECLARE_TYPE(fx_serial_ctx);
 FX_TYPE_CLASS_DECLARATION_BEGIN(fx_serial_ctx)
 	fx_result (*s_serialise)(
 		fx_serial_ctx *,
-		fx_object *,
+		const fx_value *,
 		fx_stream *,
 		fx_serial_flags);
 	fx_result (*s_deserialise)(
 		fx_serial_ctx *,
 		fx_stream *,
-		fx_object **,
+		fx_value *,
 		fx_serial_flags);
 FX_TYPE_CLASS_DECLARATION_END(fx_serial_ctx)
 
@@ -39,14 +40,14 @@ FX_API fx_type_id fx_serial_ctx_get_type(void);
 
 FX_API fx_result fx_serial_ctx_serialise(
 	fx_serial_ctx *ctx,
-	fx_object *src,
+	const fx_value *src,
 	fx_stream *dest,
 	fx_serial_flags flags);
 
 FX_API fx_result fx_serial_ctx_deserialise(
 	fx_serial_ctx *ctx,
 	fx_stream *src,
-	fx_object **dest,
+	fx_value *dest,
 	fx_serial_flags flags);
 
 FX_DECLS_END;

fx.serial/test/streams.c

@@ -1,5 +1,4 @@
 #include <fx/collections/array.h>
-#include <fx/collections/dict.h>
 #include <fx/int.h>
 #include <fx/serial/ctx.h>
 #include <fx/serial/toml.h>
@@ -9,6 +8,7 @@
 
 int main(void)
 {
+#if 0
 	fx_serial_ctx *ctx = fx_toml_serial_ctx_create();
 
 	fx_dict *dict = fx_dict_create();
@@ -33,6 +33,7 @@ int main(void)
 
 	fx_dict_unref(dict);
 	fx_serial_ctx_unref(ctx);
+#endif
 
 	return 0;
 }

fx.serial/test/toml-decode.c

@@ -1,23 +1,26 @@
 #include <fx/bool.h>
 #include <fx/collections/array.h>
-#include <fx/collections/datetime.h>
-#include <fx/collections/dict.h>
-#include <fx/double.h>
+#include <fx/collections/hashtable.h>
+#include <fx/datetime.h>
+#include <fx/float.h>
 #include <fx/int.h>
 #include <fx/serial/ctx.h>
 #include <fx/serial/toml.h>
 #include <fx/string.h>
 #include <inttypes.h>
+#include <math.h>
 
-void write_tagged_value(fx_object *data);
+void write_tagged_value(const fx_value *data);
 
 void write_raw_string(const fx_string *data)
 {
 	fx_stream_write_cstr(fx_stdout, "\"", NULL);
 
-	const fx_iterator *it = fx_iterator_cbegin(data);
-	fx_foreach_c(fx_wchar, c, it)
+	const fx_iterator *it = fx_iterator_begin(data);
+	fx_foreach(val, it)
 	{
+		fx_wchar c;
+		fx_value_get_wchar(val, &c);
 		if (c >= 0x10000) {
 			c -= 0x10000;
 			long hi = 0xD800 | ((c >> 10) & 0x3FF);
@@ -53,68 +56,48 @@ void write_tagged_string(fx_string *data)
 	fx_stream_write_cstr(fx_stdout, " }", NULL);
 }
 
-void write_tagged_integer(fx_int *data)
+void write_tagged_integer(const fx_value *data)
 {
 	fx_stream_write_cstr(
 		fx_stdout,
 		"{ \"type\": \"integer\", \"value\": \"",
 		NULL);
-
-	if (fx_int_is_inf_positive(data)) {
-		fx_stream_write_cstr(fx_stdout, "inf", NULL);
-	} else if (fx_int_is_inf_negative(data)) {
-		fx_stream_write_cstr(fx_stdout, "-inf", NULL);
-	} else if (fx_int_is_nan_positive(data)) {
-		fx_stream_write_cstr(fx_stdout, "nan", NULL);
-	} else if (fx_int_is_nan_negative(data)) {
-		fx_stream_write_cstr(fx_stdout, "-nan", NULL);
-	} else {
-		fx_stream_write_fmt(
-			fx_stdout,
-			NULL,
-			"%lld",
-			fx_int_get_value(data),
-			NULL);
-	}
-
+	fx_stream_write_fmt(fx_stdout, NULL, "%lld", data->v_i64, NULL);
 	fx_stream_write_cstr(fx_stdout, "\" }", NULL);
 }
 
-void write_tagged_float(fx_double *data)
+void write_tagged_float(const fx_value *data)
 {
 	fx_stream_write_cstr(
 		fx_stdout,
 		"{ \"type\": \"float\", \"value\": \"",
 		NULL);
 
-	if (fx_double_is_inf_positive(data)) {
+	double d = data->v_double;
+	if (d == INFINITY) {
 		fx_stream_write_cstr(fx_stdout, "inf", NULL);
-	} else if (fx_double_is_inf_negative(data)) {
+	} else if (d == -INFINITY) {
 		fx_stream_write_cstr(fx_stdout, "-inf", NULL);
-	} else if (fx_double_is_nan_positive(data)) {
+	} else if (d == NAN) {
 		fx_stream_write_cstr(fx_stdout, "nan", NULL);
-	} else if (fx_double_is_nan_negative(data)) {
+	} else if (d == -NAN) {
 		fx_stream_write_cstr(fx_stdout, "-nan", NULL);
+	} else if (d <= 1e-9 || d >= 1e9) {
+		fx_stream_write_fmt(fx_stdout, NULL, "%g", d, NULL);
 	} else {
-		double v = fx_double_get_value(data);
-		if ((v <= 0.00000001 && v > 0) || (v >= -0.00000001 && v < 0)
-		    || (v >= 1000000000) || (v <= -1000000000)) {
-			fx_stream_write_fmt(fx_stdout, NULL, "%.15e", v, NULL);
-		} else {
-			fx_stream_write_fmt(fx_stdout, NULL, "%.15f", v, NULL);
-		}
+		fx_stream_write_fmt(fx_stdout, NULL, "%.9lf", d, NULL);
 	}
 
 	fx_stream_write_cstr(fx_stdout, "\" }", NULL);
 }
 
-void write_tagged_bool(fx_bool *data)
+void write_tagged_bool(const fx_value *data)
 {
 	fx_stream_write_fmt(
 		fx_stdout,
 		NULL,
 		"{ \"type\": \"bool\", \"value\": \"%s\" }",
-		fx_bool_get_value(data) ? "true" : "false",
+		data->v_bool ? "true" : "false",
 		NULL);
 }
 
@@ -145,31 +128,37 @@ void write_tagged_datetime(fx_datetime *data)
 
 	fx_stream_write_cstr(fx_stdout, "\", \"value\": \"", NULL);
 
-	fx_string *new_data = fx_string_create();
+	fx_stringstream *new_data = fx_stringstream_create();
 	fx_datetime_to_string(data, FX_DATETIME_FORMAT_RFC3339, new_data);
-	fx_stream_write_cstr(fx_stdout, fx_string_get_cstr(new_data), NULL);
+	fx_stream_write_cstr(fx_stdout, fx_stringstream_get_cstr(new_data), NULL);
 
 	fx_stream_write_cstr(fx_stdout, "\" }", NULL);
 
-	fx_string_unref(new_data);
+	fx_stringstream_unref(new_data);
 }
 
-void write_tagged_dict(fx_dict *data)
+void write_tagged_hashtable(fx_hashtable *data)
 {
 	fx_stream_write_cstr(fx_stdout, "{ ", NULL);
 
 	int i = 0;
 
-	fx_iterator *it = fx_iterator_begin(data);
-	fx_foreach(fx_dict_item *, item, it)
+	const fx_iterator *it = fx_iterator_begin(data);
+	fx_foreach(v, it)
 	{
+		fx_hashtable_item *item;
+		fx_value_get_object(v, &item);
 		if (i++ > 0) {
 			fx_stream_write_cstr(fx_stdout, ", ", NULL);
 		}
 
-		write_raw_string(item->key);
+		const fx_value *key = fx_hashtable_item_get_key(item);
+		const fx_value *value = fx_hashtable_item_get_value(item);
+		fx_string *key_str;
+		fx_value_get_object(key, &key_str);
+		write_raw_string(key_str);
 		fx_stream_write_cstr(fx_stdout, ": ", NULL);
-		write_tagged_value(item->value);
+		write_tagged_value(value);
 	}
 	fx_iterator_unref(it);
 
@@ -181,35 +170,35 @@ void write_tagged_array(fx_array *data)
 	fx_stream_write_cstr(fx_stdout, "[ ", NULL);
 
 	int i = 0;
-	fx_iterator *it = fx_iterator_begin(data);
-	fx_foreach(fx_object *, obj, it)
+	const fx_iterator *it = fx_iterator_begin(data);
+	fx_foreach(val, it)
 	{
 		if (i++ > 0) {
 			fx_stream_write_cstr(fx_stdout, ", ", NULL);
 		}
 
-		write_tagged_value(obj);
+		write_tagged_value(val);
 	}
 	fx_iterator_unref(it);
 
 	fx_stream_write_cstr(fx_stdout, " ]", NULL);
 }
 
-void write_tagged_value(fx_object *data)
+void write_tagged_value(const fx_value *data)
 {
-	if (fx_object_is_type(data, FX_TYPE_DICT)) {
-		write_tagged_dict(data);
-	} else if (fx_object_is_type(data, FX_TYPE_ARRAY)) {
-		write_tagged_array(data);
-	} else if (fx_object_is_type(data, FX_TYPE_STRING)) {
-		write_tagged_string(data);
-	} else if (fx_object_is_type(data, FX_TYPE_DATETIME)) {
-		write_tagged_datetime(data);
-	} else if (fx_object_is_type(data, FX_TYPE_INT)) {
-		write_tagged_integer(data);
-	} else if (fx_object_is_type(data, FX_TYPE_BOOL)) {
+	if (fx_value_is_type(data, FX_TYPE_HASHTABLE)) {
+		write_tagged_hashtable(data->v_object);
+	} else if (fx_value_is_type(data, FX_TYPE_ARRAY)) {
+		write_tagged_array(data->v_object);
+	} else if (fx_value_is_type(data, FX_TYPE_STRING)) {
+		write_tagged_string(data->v_object);
+	} else if (fx_value_is_type(data, FX_TYPE_DATETIME)) {
+		write_tagged_datetime(data->v_object);
+	} else if (fx_value_is_type(data, FX_TYPE_BOOL)) {
 		write_tagged_bool(data);
-	} else if (fx_object_is_type(data, FX_TYPE_DOUBLE)) {
+	} else if (fx_value_is_type(data, FX_TYPE_I64)) {
+		write_tagged_integer(data);
+	} else if (fx_value_is_type(data, FX_TYPE_DOUBLE)) {
 		write_tagged_float(data);
 	}
 }
@@ -221,19 +210,18 @@ int main(void)
 
 	fx_serial_ctx *ctx = fx_toml_serial_ctx_create();
 
-	fx_object *data;
+	fx_value data;
 	fx_result result = fx_serial_ctx_deserialise(ctx, src, &data, 0);
 	if (fx_result_is_error(result)) {
-		fx_throw(result);
-		return -1;
+		return 1;
 	}
 
-	write_tagged_value(data);
+	write_tagged_value(&data);
 
 	fx_stream_write_char(fx_stdout, '\n');
 
 	fx_serial_ctx_unref(ctx);
-	fx_object_unref(data);
+	fx_value_unset(&data);
 
 	return 0;
 }

fx.serial/toml.c

@@ -1,17 +1,17 @@
 #include <fx/bool.h>
 #include <fx/collections/array.h>
-#include <fx/collections/datetime.h>
-#include <fx/collections/dict.h>
 #include <fx/collections/hashmap.h>
-#include <fx/double.h>
+#include <fx/collections/hashtable.h>
+#include <fx/datetime.h>
 #include <fx/error.h>
+#include <fx/float.h>
 #include <fx/int.h>
 #include <fx/serial/ctx.h>
 #include <fx/serial/toml.h>
 #include <fx/status.h>
 #include <fx/string.h>
 #include <fx/stringstream.h>
-#include <fx/uint.h>
+#include <math.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
@@ -117,9 +117,9 @@ struct ctx {
 	fx_stream *ctx_src;
 	fx_string *ctx_wordbuf;
 	fx_string *ctx_linebuf;
-	fx_iterator *ctx_linebuf_ptr;
+	const fx_iterator *ctx_linebuf_ptr;
 	fx_result ctx_result;
-	fx_hashmap *ctx_objects_flags;
+	fx_hashtable *ctx_objects_flags;
 
 	fx_queue ctx_tokens;
 };
@@ -133,28 +133,18 @@ static void ctx_set_object_flags(
 		return;
 	}
 
-	fx_hashmap_key key = {
-		.key_data = obj,
-		.key_size = sizeof(fx_object *),
-		.key_flags = FX_HASHMAP_KEY_F_INTVALUE,
-	};
-
-	const fx_hashmap_value *old_value
-		= fx_hashmap_get(ctx->ctx_objects_flags, &key);
+	fx_value ptr = FX_POINTER(obj);
+	const fx_value *old_value
+		= fx_hashtable_get(ctx->ctx_objects_flags, &ptr);
 
 	enum object_flags new_flags = 0;
 	if (old_value) {
-		new_flags = (enum object_flags)(uintptr_t)old_value->value_data;
+		new_flags = (enum object_flags)old_value->v_i32;
 	}
 
 	new_flags |= flags;
 
-	fx_hashmap_value value = {
-		.value_data = (void *)new_flags,
-		.value_size = sizeof new_flags,
-	};
-
-	fx_hashmap_put(ctx->ctx_objects_flags, &key, &value);
+	fx_hashtable_put(ctx->ctx_objects_flags, &ptr, &FX_I32(new_flags));
 }
 
 static void ctx_clear_object_flags(
@@ -166,28 +156,18 @@ static void ctx_clear_object_flags(
 		return;
 	}
 
-	fx_hashmap_key key = {
-		.key_data = obj,
-		.key_size = sizeof(fx_object *),
-		.key_flags = FX_HASHMAP_KEY_F_INTVALUE,
-	};
-
-	const fx_hashmap_value *old_value
-		= fx_hashmap_get(ctx->ctx_objects_flags, &key);
+	fx_value ptr = FX_POINTER(obj);
+	const fx_value *old_value
+		= fx_hashtable_get(ctx->ctx_objects_flags, &ptr);
 
 	enum object_flags new_flags = 0;
 	if (old_value) {
-		new_flags = (enum object_flags)(uintptr_t)old_value->value_data;
+		new_flags = (enum object_flags)old_value->v_i32;
 	}
 
 	new_flags &= ~mask;
 
-	fx_hashmap_value value = {
-		.value_data = (void *)new_flags,
-		.value_size = sizeof new_flags,
-	};
-
-	fx_hashmap_put(ctx->ctx_objects_flags, &key, &value);
+	fx_hashtable_put(ctx->ctx_objects_flags, &ptr, &FX_I32(new_flags));
 }
 
 static enum object_flags ctx_get_object_flags(struct ctx *ctx, fx_object *obj)
@@ -196,16 +176,13 @@ static enum object_flags ctx_get_object_flags(struct ctx *ctx, fx_object *obj)
 		return 0;
 	}
 
-	fx_hashmap_key key = {
-		.key_data = obj,
-		.key_size = sizeof(fx_object *),
-		.key_flags = FX_HASHMAP_KEY_F_INTVALUE,
-	};
+	fx_value ptr = FX_POINTER(obj);
+	const fx_value *old_value
+		= fx_hashtable_get(ctx->ctx_objects_flags, &ptr);
 
-	const fx_hashmap_value *value
-		= fx_hashmap_get(ctx->ctx_objects_flags, &key);
-	if (value) {
-		return (enum object_flags)(uintptr_t)value->value_data;
+	enum object_flags new_flags = 0;
+	if (old_value) {
+		return (enum object_flags)old_value->v_i32;
 	}
 
 	return 0;
@@ -295,7 +272,7 @@ static fx_wchar advance_char(struct ctx *ctx)
 
 	const char *s = fx_string_get_cstr(ctx->ctx_linebuf);
 
-	fx_wchar c = fx_iterator_get_value(ctx->ctx_linebuf_ptr).v_int;
+	fx_wchar c = fx_iterator_get_value(ctx->ctx_linebuf_ptr)->v_wchar;
 
 	if (!is_valid_char(c)) {
 		ctx->ctx_result = FX_RESULT_ERR(BAD_FORMAT);
@@ -328,7 +305,7 @@ static fx_wchar peek_char(struct ctx *ctx)
 
 	const char *s = fx_string_get_cstr(ctx->ctx_linebuf);
 
-	fx_wchar c = fx_iterator_get_value(ctx->ctx_linebuf_ptr).v_int;
+	fx_wchar c = fx_iterator_get_value(ctx->ctx_linebuf_ptr)->v_wchar;
 
 	if (!is_valid_char(c)) {
 		ctx->ctx_result = FX_RESULT_ERR(BAD_FORMAT);
@@ -924,8 +901,11 @@ static void split_word(struct ctx *ctx, fx_string *wordbuf)
 		FX_STRING_TOK_F_INCLUDE_EMPTY_TOKENS);
 
 	size_t i = 0;
-	fx_foreach_c(const char *, tok, it)
+	fx_foreach(tokv, it)
 	{
+		const char *tok = NULL;
+		fx_value_get_cstr(tokv, &tok);
+
 		if (i > 0) {
 			enqueue_token(ctx, TOK_DOT);
 		}
@@ -1027,9 +1007,11 @@ static void read_word(struct ctx *ctx)
 		return;
 	}
 
-	fx_iterator *it = fx_iterator_begin(wordbuf);
-	fx_foreach(fx_wchar, c, it)
+	const fx_iterator *it = fx_iterator_begin(wordbuf);
+	fx_foreach(cv, it)
 	{
+		fx_wchar c = FX_WCHAR_INVALID;
+		fx_value_get_wchar(cv, &c);
 		/* only allow ASCII numbers/letters here */
 		bool ok = isalnum(c) || c == '_' || c == '-' || c == '.';
 		if (!ok) {
@@ -1473,14 +1455,24 @@ static fx_result advance_token(struct ctx *ctx)
 
 start:
 	c = peek_char(ctx);
-	while (isspace(c) && c != '\n' && c != '\r') {
-		advance_char(ctx);
-		c = peek_char(ctx);
+
+	if (c <= 0) {
+		if (fx_error_get_status_code(ctx->ctx_result)
+		    == FX_ERR_NO_DATA) {
+			ctx->ctx_flags |= CTX_EOF;
+		}
+
+		return ctx->ctx_result;
 	}
 
-	if (c == -1) {
-		ctx->ctx_flags |= CTX_EOF;
-		return FX_RESULT_ERR(NO_DATA);
+	if (c <= 31 && c != '\n' && c != '\r' && c != '\t') {
+		ctx->ctx_result = FX_RESULT_ERR(BAD_FORMAT);
+		return ctx->ctx_result;
+	}
+
+	while (fx_wchar_is_space(c) && c != '\n' && c != '\r') {
+		advance_char(ctx);
+		c = peek_char(ctx);
 	}
 
 #if 1
@@ -1550,7 +1542,7 @@ static void ctx_cleanup(struct ctx *ctx)
 	}
 
 	if (ctx->ctx_objects_flags) {
-		fx_hashmap_unref(ctx->ctx_objects_flags);
+		fx_hashtable_unref(ctx->ctx_objects_flags);
 		ctx->ctx_objects_flags = NULL;
 	}
 }
@@ -1562,14 +1554,14 @@ static fx_result ctx_init(struct ctx *ctx)
 	ctx->ctx_linebuf = fx_string_create();
 	ctx->ctx_wordbuf = fx_string_create();
 
-	ctx->ctx_objects_flags = fx_hashmap_create(NULL, NULL);
+	ctx->ctx_objects_flags = fx_hashtable_create();
 
 	return FX_RESULT_SUCCESS;
 }
 
 static fx_result toml_serialise(
 	fx_serial_ctx *serial,
-	fx_object *src,
+	const fx_value *src,
 	fx_stream *dest,
 	enum fx_serial_flags flags)
 {
@@ -1663,20 +1655,20 @@ static void print_token(struct token *tok)
 	}
 }
 
-static fx_result parse_value(struct ctx *ctx, fx_object **result);
-static fx_result parse_key_value_pair(struct ctx *ctx, fx_dict *container);
+static fx_result parse_value(struct ctx *ctx, fx_value *result);
+static fx_result parse_key_value_pair(struct ctx *ctx, fx_hashtable *container);
 
-static fx_result parse_timestamp(struct ctx *ctx, fx_object **result)
+static fx_result parse_timestamp(struct ctx *ctx, fx_value *result)
 {
 	struct token *tok = peek_token(ctx);
 	fx_datetime *dt = tok->tok_value.time;
 	tok->tok_value.time = NULL;
 
-	*result = (dt);
+	*result = FX_VALUE_OBJECT(dt);
 	return FX_RESULT_SUCCESS;
 }
 
-static fx_result parse_string(struct ctx *ctx, fx_object **result)
+static fx_result parse_string(struct ctx *ctx, fx_value *result)
 {
 	struct token *tok = peek_token(ctx);
 	fx_string *str = fx_string_duplicate(tok->tok_str);
@@ -1684,88 +1676,61 @@ static fx_result parse_string(struct ctx *ctx, fx_object **result)
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
 
-	*result = (str);
+	*result = FX_VALUE_OBJECT(str);
 	return FX_RESULT_SUCCESS;
 }
 
-static fx_result parse_int(struct ctx *ctx, fx_object **result)
+static fx_result parse_int(struct ctx *ctx, fx_value *result)
 {
 	struct token *tok = peek_token(ctx);
-	fx_int *val = fx_int_create(tok->tok_value.i.v);
-	if (!val) {
-		return FX_RESULT_ERR(NO_MEMORY);
-	}
-
-	if (tok->tok_value.i.inf) {
-		if (tok->tok_value.i.v >= 0) {
-			fx_int_set_value_inf(val);
-		} else {
-			fx_int_set_value_inf_negative(val);
-		}
-	} else if (tok->tok_value.i.nan) {
-		if (tok->tok_value.i.v >= 0) {
-			fx_int_set_value_nan(val);
-		} else {
-			fx_int_set_value_nan_negative(val);
-		}
-	}
-
-	*result = (val);
+	*result = FX_I64(tok->tok_value.i.v);
 	return FX_RESULT_SUCCESS;
 }
 
-static fx_result parse_float(struct ctx *ctx, fx_object **result)
+static fx_result parse_float(struct ctx *ctx, fx_value *result)
 {
 	struct token *tok = peek_token(ctx);
-	fx_double *val = fx_double_create(tok->tok_value.f.v);
-	if (!val) {
-		return FX_RESULT_ERR(NO_MEMORY);
-	}
 
 	if (tok->tok_value.f.inf) {
 		if (tok->tok_value.f.v >= 0) {
-			fx_double_set_value_inf(val);
+			*result = FX_DOUBLE(INFINITY);
 		} else {
-			fx_double_set_value_inf_negative(val);
+			*result = FX_DOUBLE(-INFINITY);
 		}
 	} else if (tok->tok_value.f.nan) {
 		if (tok->tok_value.f.v >= 0) {
-			fx_double_set_value_nan(val);
+			*result = FX_DOUBLE(NAN);
 		} else {
-			fx_double_set_value_nan_negative(val);
+			*result = FX_DOUBLE(-NAN);
 		}
+	} else {
+		*result = FX_DOUBLE(tok->tok_value.f.v);
 	}
 
-	*result = (val);
 	return FX_RESULT_SUCCESS;
 }
 
-static fx_result parse_bool(struct ctx *ctx, fx_object **result)
+static fx_result parse_bool(struct ctx *ctx, fx_value *result)
 {
 	struct token *tok = peek_token(ctx);
-	fx_bool *val = fx_bool_create(tok->tok_value.b);
-	if (!val) {
-		return FX_RESULT_ERR(NO_MEMORY);
-	}
-
-	*result = (val);
+	*result = FX_BOOL(tok->tok_value.b);
 	return FX_RESULT_SUCCESS;
 }
 
-static fx_result parse_table_inline(struct ctx *ctx, fx_object **result)
+static fx_result parse_table_inline(struct ctx *ctx, fx_value *result)
 {
 	DISABLE_EXTENDED_LEXING(ctx);
 
 	advance_token(ctx);
 
-	fx_dict *table = fx_dict_create();
+	fx_hashtable *table = fx_hashtable_create();
 	if (!table) {
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
 
 	struct token *tok = peek_token(ctx);
 	if (tok && tok->tok_type == TOK_RIGHT_BRACE) {
-		*result = (table);
+		*result = FX_VALUE_OBJECT(table);
 		return FX_RESULT_SUCCESS;
 	}
 
@@ -1775,14 +1740,14 @@ static fx_result parse_table_inline(struct ctx *ctx, fx_object **result)
 		fx_object *value;
 		fx_result status = parse_key_value_pair(ctx, table);
 		if (!FX_OK(status)) {
-			fx_dict_unref(table);
+			fx_hashtable_unref(table);
 			return status;
 		}
 
 		tok = peek_token(ctx);
 
 		if (!tok) {
-			fx_dict_unref(table);
+			fx_hashtable_unref(table);
 			return status;
 		}
 
@@ -1794,12 +1759,12 @@ static fx_result parse_table_inline(struct ctx *ctx, fx_object **result)
 			advance_token(ctx);
 			break;
 		default:
-			fx_dict_unref(table);
+			fx_hashtable_unref(table);
 			return FX_RESULT_ERR(BAD_FORMAT);
 		}
 	}
 
-	*result = (table);
+	*result = FX_VALUE_OBJECT(table);
 	return FX_RESULT_SUCCESS;
 }
 
@@ -1813,7 +1778,7 @@ static void skip_newlines(struct ctx *ctx)
 	}
 }
 
-static fx_result parse_array_inline(struct ctx *ctx, fx_object **result)
+static fx_result parse_array_inline(struct ctx *ctx, fx_value *result)
 {
 	bool done = false;
 	ENABLE_EXTENDED_LEXING(ctx);
@@ -1850,14 +1815,15 @@ static fx_result parse_array_inline(struct ctx *ctx, fx_object **result)
 			break;
 		}
 
-		fx_object *value;
+		fx_value value;
 		fx_result status = parse_value(ctx, &value);
 		if (!FX_OK(status)) {
 			fx_array_unref(array);
 			return status;
 		}
 
-		fx_array_append(array, FX_RV(value));
+		fx_array_push_back(array, value);
+		fx_value_unset(&value);
 		ENABLE_EXTENDED_LEXING(ctx);
 
 		advance_token(ctx);
@@ -1880,13 +1846,12 @@ static fx_result parse_array_inline(struct ctx *ctx, fx_object **result)
 	}
 
 	DISABLE_EXTENDED_LEXING(ctx);
-	*result = (array);
+	*result = FX_VALUE_OBJECT(array);
 	return FX_RESULT_SUCCESS;
 }
 
-static fx_result parse_value(struct ctx *ctx, fx_object **result)
+static fx_result parse_value(struct ctx *ctx, fx_value *result)
 {
-
 	struct token *tok = peek_token(ctx);
 	if (!tok) {
 		return FX_RESULT_ERR(BAD_FORMAT);
@@ -1912,7 +1877,7 @@ static fx_result parse_value(struct ctx *ctx, fx_object **result)
 	}
 }
 
-static fx_result parse_key_value_pair(struct ctx *ctx, fx_dict *container)
+static fx_result parse_key_value_pair(struct ctx *ctx, fx_hashtable *container)
 {
 	struct token *tok = peek_token(ctx);
 	if (!IS_VALID_KEY_COMPONENT(tok)) {
@@ -1931,36 +1896,42 @@ static fx_result parse_key_value_pair(struct ctx *ctx, fx_dict *container)
 	}
 
 	while (tok && tok->tok_type == TOK_DOT) {
-		fx_object *sub_dict = fx_dict_at_sk(container, key);
-		if (!sub_dict) {
-			sub_dict = (fx_dict_create());
-			fx_dict_put_sk(container, key, FX_RV(sub_dict));
-		} else if (
-			sub_dict
-			&& !fx_object_is_type(sub_dict, FX_TYPE_DICT)) {
-			free(key);
+		const fx_value *child
+			= fx_hashtable_get(container, &FX_VALUE_OBJECT(key));
+		if (child && !fx_value_is_type(child, FX_TYPE_HASHTABLE)) {
+			fx_string_unref(key);
 			return FX_RESULT_ERR(BAD_FORMAT);
 		}
 
+		fx_hashmap *subtable = NULL;
+		fx_value_get_object(child, &subtable);
+		if (!subtable) {
+			subtable = (fx_hashtable_create());
+			fx_hashtable_put(
+				container,
+				&FX_VALUE_OBJECT(key),
+				&FX_VALUE_OBJECT(subtable));
+		}
+
 #if 1
-		enum object_flags flags = ctx_get_object_flags(ctx, sub_dict);
+		enum object_flags flags = ctx_get_object_flags(ctx, subtable);
 		if (flags
 		    & (OBJECT_KV_END_DEFINED | OBJECT_HEADER_END_DEFINED)) {
-			free(key);
+			fx_string_unref(key);
 			return FX_RESULT_ERR(BAD_FORMAT);
 		}
 #endif
 
-		ctx_set_object_flags(ctx, sub_dict, OBJECT_KV_MID_DEFINED);
+		ctx_set_object_flags(ctx, subtable, OBJECT_KV_MID_DEFINED);
 
 		advance_token(ctx);
 		tok = peek_token(ctx);
 		if (!IS_VALID_KEY_COMPONENT(tok)) {
-			free(key);
+			fx_string_unref(key);
 			return FX_RESULT_ERR(BAD_FORMAT);
 		}
 
-		container = sub_dict;
+		container = subtable;
 		fx_string_unref(key);
 		key = fx_string_duplicate(tok->tok_str);
 		if (!key) {
@@ -1971,7 +1942,7 @@ static fx_result parse_key_value_pair(struct ctx *ctx, fx_dict *container)
 		tok = peek_token(ctx);
 	}
 
-	if (fx_dict_has_skey(container, key)) {
+	if (fx_hashtable_get(container, &FX_VALUE_OBJECT(key))) {
 		return FX_RESULT_ERR(BAD_FORMAT);
 	}
 
@@ -1986,7 +1957,7 @@ static fx_result parse_key_value_pair(struct ctx *ctx, fx_dict *container)
 	ENABLE_EXTENDED_LEXING(ctx);
 	advance_token(ctx);
 
-	fx_object *value = NULL;
+	fx_value value = FX_VALUE_EMPTY;
 	fx_result result = parse_value(ctx, &value);
 
 	DISABLE_EXTENDED_LEXING(ctx);
@@ -2001,20 +1972,24 @@ static fx_result parse_key_value_pair(struct ctx *ctx, fx_dict *container)
 		return fx_result_propagate(result);
 	}
 
-	fx_dict_put_sk(container, key, FX_RV(value));
+	fx_hashtable_put(container, &FX_VALUE_OBJECT(key), &value);
 
-	if (fx_object_is_type(value, FX_TYPE_DICT)
-	    || fx_object_is_type(value, FX_TYPE_ARRAY)) {
-		ctx_set_object_flags(ctx, value, OBJECT_KV_END_DEFINED);
+	if (fx_value_is_type(&value, FX_TYPE_HASHTABLE)
+	    || fx_value_is_type(&value, FX_TYPE_ARRAY)) {
+		ctx_set_object_flags(
+			ctx,
+			value.v_object,
+			OBJECT_KV_END_DEFINED);
 	}
 
+	fx_value_unset(&value);
 	return FX_RESULT_SUCCESS;
 }
 
 static fx_result parse_table_header(
 	struct ctx *ctx,
-	fx_dict *container,
-	fx_dict **new_container)
+	fx_hashtable *container,
+	fx_hashtable **new_container)
 {
 	advance_token(ctx);
 	struct token *tok = peek_token(ctx);
@@ -2034,17 +2009,24 @@ static fx_result parse_table_header(
 	}
 
 	while (tok && tok->tok_type == TOK_DOT) {
-		fx_object *sub_dict = fx_dict_at_sk(container, key);
-		enum object_flags flags = ctx_get_object_flags(ctx, sub_dict);
-		if (!sub_dict) {
-			sub_dict = (fx_dict_create());
-			fx_dict_put_sk(container, key, FX_RV(sub_dict));
-		} else if (fx_object_is_type(sub_dict, FX_TYPE_ARRAY)) {
-
-			sub_dict = fx_array_at(
-				sub_dict,
-				fx_array_size(sub_dict) - 1);
-		} else if (!fx_object_is_type(sub_dict, FX_TYPE_DICT)) {
+		const fx_value *value
+			= fx_hashtable_get(container, &FX_VALUE_OBJECT(key));
+		fx_object *subtable = NULL;
+		fx_value_get_object(value, &subtable);
+		enum object_flags flags = ctx_get_object_flags(ctx, subtable);
+		if (!value) {
+			subtable = (fx_hashtable_create());
+			fx_hashtable_put(
+				container,
+				&FX_VALUE_OBJECT(key),
+				&FX_VALUE_OBJECT(subtable));
+			fx_object_unref(subtable);
+		} else if (fx_value_is_type(value, FX_TYPE_ARRAY)) {
+			value = fx_array_get_ref(
+				subtable,
+				fx_array_get_size(subtable) - 1);
+			fx_value_get_object(value, &subtable);
+		} else if (!fx_value_is_type(value, FX_TYPE_HASHTABLE)) {
 			return FX_RESULT_ERR(BAD_FORMAT);
 		}
 
@@ -2058,9 +2040,9 @@ static fx_result parse_table_header(
 			return FX_RESULT_ERR(BAD_FORMAT);
 		}
 
-		ctx_set_object_flags(ctx, sub_dict, OBJECT_HEADER_MID_DEFINED);
+		ctx_set_object_flags(ctx, subtable, OBJECT_HEADER_MID_DEFINED);
 
-		container = sub_dict;
+		container = subtable;
 		fx_string_unref(key);
 		key = fx_string_duplicate(tok->tok_str);
 		if (!key) {
@@ -2075,20 +2057,31 @@ static fx_result parse_table_header(
 		return FX_RESULT_ERR(BAD_FORMAT);
 	}
 
-	fx_dict *new_table = fx_dict_at_sk(container, key);
+	const fx_value *child
+		= fx_hashtable_get(container, &FX_VALUE_OBJECT(key));
+	if (child && !fx_value_is_type(child, FX_TYPE_HASHTABLE)) {
+		return FX_RESULT_ERR(BAD_FORMAT);
+	}
+
+	fx_hashtable *new_table = NULL;
+	fx_value_get_object(child, &new_table);
 
 	if (!new_table) {
-		new_table = fx_dict_create();
+		new_table = fx_hashtable_create();
 
 		if (!new_table) {
-			free(key);
+			fx_string_unref(key);
 			return FX_RESULT_ERR(NO_MEMORY);
 		}
 
-		fx_dict_put_sk(container, key, FX_RV(new_table));
+		fx_hashtable_put(
+			container,
+			&FX_VALUE_OBJECT(key),
+			&FX_VALUE_OBJECT(new_table));
+		fx_hashtable_unref(new_table);
 	}
 
-	if (!fx_object_is_type((new_table), FX_TYPE_DICT)) {
+	if (!fx_object_is_type((new_table), FX_TYPE_HASHTABLE)) {
 		return FX_RESULT_ERR(BAD_FORMAT);
 	}
 
@@ -2109,8 +2102,8 @@ static fx_result parse_table_header(
 
 static fx_result parse_array_header(
 	struct ctx *ctx,
-	fx_dict *container,
-	fx_dict **new_container)
+	fx_hashtable *container,
+	fx_hashtable **new_container)
 {
 	advance_token(ctx);
 	struct token *tok = peek_token(ctx);
@@ -2130,15 +2123,29 @@ static fx_result parse_array_header(
 	}
 
 	while (tok && tok->tok_type == TOK_DOT) {
-		fx_object *sub_dict = fx_dict_at_sk(container, key);
-		if (!sub_dict) {
-			sub_dict = (fx_dict_create());
-			fx_dict_put_sk(container, key, FX_RV(sub_dict));
-		} else if (fx_object_is_type(sub_dict, FX_TYPE_ARRAY)) {
-			sub_dict = fx_array_at(
+		const fx_value *child
+			= fx_hashtable_get(container, &FX_VALUE_OBJECT(key));
+		fx_object *sub_dict = NULL;
+		fx_value_get_object(child, &sub_dict);
+
+		enum object_flags flags = ctx_get_object_flags(ctx, (sub_dict));
+		if (flags & OBJECT_KV_END_DEFINED) {
+			return FX_RESULT_ERR(BAD_FORMAT);
+		}
+
+		if (!child) {
+			sub_dict = (fx_hashtable_create());
+			fx_hashtable_put(
+				container,
+				&FX_VALUE_OBJECT(key),
+				&FX_VALUE_OBJECT(sub_dict));
+			fx_hashtable_unref(sub_dict);
+		} else if (fx_value_is_type(child, FX_TYPE_ARRAY)) {
+			child = fx_array_get_ref(
 				sub_dict,
-				fx_array_size(sub_dict) - 1);
-		} else if (!fx_object_is_type(sub_dict, FX_TYPE_DICT)) {
+				fx_array_get_size(sub_dict) - 1);
+			sub_dict = child->v_object;
+		} else if (!fx_value_is_type(child, FX_TYPE_HASHTABLE)) {
 			return FX_RESULT_ERR(BAD_FORMAT);
 		}
 
@@ -2163,37 +2170,48 @@ static fx_result parse_array_header(
 		return FX_RESULT_ERR(BAD_FORMAT);
 	}
 
-	fx_array *array = fx_dict_get_sk(container, key);
+	const fx_value *child
+		= fx_hashtable_get(container, &FX_VALUE_OBJECT(key));
+	if (child && !fx_value_is_type(child, FX_TYPE_ARRAY)) {
+		return FX_RESULT_ERR(BAD_FORMAT);
+	}
+
+	fx_array *array = NULL;
+	fx_value_get_object(child, &array);
+
 	if (!array) {
 		array = fx_array_create();
-		fx_dict_put_sk(container, key, FX_RV(array));
+		fx_hashtable_put(
+			container,
+			&FX_VALUE_OBJECT(key),
+			&FX_VALUE_OBJECT(array));
 	} else if (!fx_object_is_type(array, FX_TYPE_ARRAY)) {
 		return FX_RESULT_ERR(BAD_FORMAT);
 	}
-	free(key);
+	fx_string_unref(key);
 
 	enum object_flags flags = ctx_get_object_flags(ctx, (array));
 	if (flags & OBJECT_KV_END_DEFINED) {
-		return FX_RESULT_ERR(NO_MEMORY);
+		return FX_RESULT_ERR(BAD_FORMAT);
 	}
 
-	fx_dict *new_table = fx_dict_create();
+	fx_hashtable *new_table = fx_hashtable_create();
 	if (!new_table) {
 		return FX_RESULT_ERR(NO_MEMORY);
 	}
 
-	fx_array_append(array, FX_RV(new_table));
+	fx_array_push_back(array, FX_VALUE_OBJECT(new_table));
 
 	advance_token(ctx);
 	*new_container = new_table;
 	return FX_RESULT_SUCCESS;
 }
 
-static fx_result parse_root(struct ctx *ctx, fx_dict **out)
+static fx_result parse_root(struct ctx *ctx, fx_hashtable **out)
 {
 	fx_result result = FX_RESULT_SUCCESS;
-	fx_dict *root = fx_dict_create();
-	fx_dict *current = root;
+	fx_hashtable *root = fx_hashtable_create();
+	fx_hashtable *current = root;
 
 	while (!(ctx->ctx_flags & CTX_EOF) && fx_result_is_success(result)) {
 		struct token *tok = peek_token(ctx);
@@ -2253,7 +2271,7 @@ static fx_result parse_root(struct ctx *ctx, fx_dict **out)
 	}
 
 	if (fx_result_is_error(result)) {
-		fx_dict_unref(root);
+		fx_hashtable_unref(root);
 		root = NULL;
 	}
 
@@ -2264,7 +2282,7 @@ static fx_result parse_root(struct ctx *ctx, fx_dict **out)
 static fx_result toml_deserialise(
 	fx_serial_ctx *serial,
 	fx_stream *src,
-	fx_object **dest,
+	fx_value *dest,
 	enum fx_serial_flags flags)
 {
 	struct ctx ctx = {0};
@@ -2285,17 +2303,17 @@ static fx_result toml_deserialise(
 	}
 
 	if (ctx.ctx_flags & CTX_EOF) {
-		*dest = (fx_dict_create());
+		*dest = FX_VALUE_OBJECT(fx_hashtable_create());
 		return FX_RESULT_SUCCESS;
 	}
 
-	fx_dict *data = NULL;
+	fx_hashtable *data = NULL;
 	ctx.ctx_result = parse_root(&ctx, &data);
 	if (fx_result_is_error(ctx.ctx_result)) {
 		return fx_result_propagate(ctx.ctx_result);
 	}
 
-	*dest = (data);
+	*dest = FX_VALUE_OBJECT(data);
 #if 0
 	ctx.ctx_flags
 		= CTX_ENABLE_NUMBERS | CTX_ENABLE_TIMESTAMPS | CTX_ENABLE_BOOLS;

fx.term/include/fx/term/tty.h

@@ -50,6 +50,11 @@ enum {
 	FX_KEY_BACKSPACE,
 	FX_KEY_RETURN,
 
+	/* within this range, we further reserve a sub-range. applications can
+	 * define their own special keycode values within this range */
+	FX_KEY_RESERVED_START = 0xFFF00,
+	FX_KEY_RESERVED_END = 0xFFFFD,
+
 	FX_MOD_CTRL = 0x10000000,
 
 	FX_KEY_EOF = 0xFFFFFFFF,
@@ -153,6 +158,7 @@ FX_API void fx_tty_set_vmode(
 	struct fx_tty *tty,
 	const struct fx_tty_vmode *vmode);
 FX_API void fx_tty_reset_vmode(struct fx_tty *tty);
+FX_API void fx_tty_flush(struct fx_tty *tty);
 
 FX_API enum fx_status fx_tty_get_dimensions(
 	struct fx_tty *tty,

fx.term/print.c

@@ -102,8 +102,8 @@ static print_function format_printers[] = {
 	[FX_PRINT_WARN] = print_warn,
 	[FX_PRINT_ERR] = print_err,
 };
-static size_t nr_format_printers
-	= sizeof format_printers / sizeof format_printers[FX_PRINT_NORMAL];
+static size_t nr_format_printers = sizeof format_printers
+                                 / sizeof format_printers[FX_PRINT_NORMAL];
 
 fx_status fx_print(fx_print_format format, const char *str, ...)
 {
@@ -140,11 +140,7 @@ int fx_printf(const char *format, ...)
 {
 	va_list arg;
 	va_start(arg, format);
-	int x = fx_tty_vprintf(
-		fx_stdtty,
-		FX_TTY_DISABLE_INTERPOLATED_FORMATTING,
-		format,
-		arg);
+	int x = fx_tty_vprintf(fx_stdtty, 0, format, arg);
 	va_end(arg);
 	return x;
 }

fx.term/printf.c

@@ -1,975 +1,42 @@
-///////////////////////////////////////////////////////////////////////////////
-// \author (c) Marco Paland (info@paland.com)
-//             2014-2019, PALANDesign Hannover, Germany
-//
-// \license The MIT License (MIT)
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-//
-// \brief Tiny printf, sprintf and (v)snprintf implementation, optimized for speed on
-//        embedded systems with a very limited resources. These routines are thread
-//        safe and reentrant!
-//        Use this instead of the bloated standard/newlib printf cause these use
-//        malloc for printf (and may not be thread safe).
-//
-///////////////////////////////////////////////////////////////////////////////
-
 #include "printf.h"
 
 #include <fx/term/tty.h>
 #include <stdbool.h>
 #include <stdint.h>
 
-// define this globally (e.g. gcc -DPRINTF_INCLUDE_CONFIG_H ...) to include the
-// printf_config.h header file
-// default: undefined
-#ifdef PRINTF_INCLUDE_CONFIG_H
-#include "printf_config.h"
-#endif
-
-// 'ntoa' conversion buffer size, this must be big enough to hold one converted
-// numeric number including padded zeros (dynamically created on stack)
-// default: 32 byte
-#ifndef PRINTF_NTOA_BUFFER_SIZE
-#define PRINTF_NTOA_BUFFER_SIZE 32U
-#endif
-
-// 'ftoa' conversion buffer size, this must be big enough to hold one converted
-// float number including padded zeros (dynamically created on stack)
-// default: 32 byte
-#ifndef PRINTF_FTOA_BUFFER_SIZE
-#define PRINTF_FTOA_BUFFER_SIZE 32U
-#endif
-
-// support for the floating point type (%f)
-// default: activated
-#ifndef PRINTF_DISABLE_SUPPORT_FLOAT
-#define PRINTF_SUPPORT_FLOAT
-#endif
-
-// support for exponential floating point notation (%e/%g)
-// default: activated
-#ifndef PRINTF_DISABLE_SUPPORT_EXPONENTIAL
-#define PRINTF_SUPPORT_EXPONENTIAL
-#endif
-
-// define the default floating point precision
-// default: 6 digits
-#ifndef PRINTF_DEFAULT_FLOAT_PRECISION
-#define PRINTF_DEFAULT_FLOAT_PRECISION 6U
-#endif
-
-// define the largest float suitable to print with %f
-// default: 1e9
-#ifndef PRINTF_MAX_FLOAT
-#define PRINTF_MAX_FLOAT 1e9
-#endif
-
-// support for the long long types (%llu or %p)
-// default: activated
-#ifndef PRINTF_DISABLE_SUPPORT_LONG_LONG
-#define PRINTF_SUPPORT_LONG_LONG
-#endif
-
-// support for the ptrdiff_t type (%t)
-// ptrdiff_t is normally defined in <stddef.h> as long or long long type
-// default: activated
-#ifndef PRINTF_DISABLE_SUPPORT_PTRDIFF_T
-#define PRINTF_SUPPORT_PTRDIFF_T
-#endif
-
-///////////////////////////////////////////////////////////////////////////////
-
-// internal flag definitions
-#define FLAGS_ZEROPAD   (1U << 0U)
-#define FLAGS_LEFT      (1U << 1U)
-#define FLAGS_PLUS      (1U << 2U)
-#define FLAGS_SPACE     (1U << 3U)
-#define FLAGS_HASH      (1U << 4U)
-#define FLAGS_UPPERCASE (1U << 5U)
-#define FLAGS_CHAR      (1U << 6U)
-#define FLAGS_SHORT     (1U << 7U)
-#define FLAGS_LONG      (1U << 8U)
-#define FLAGS_LONG_LONG (1U << 9U)
-#define FLAGS_PRECISION (1U << 10U)
-#define FLAGS_ADAPT_EXP (1U << 11U)
-
-// import float.h for DBL_MAX
-#if defined(PRINTF_SUPPORT_FLOAT)
-#include <float.h>
-#endif
-
 struct out_tty_args {
 	struct fx_tty *tty;
 	enum fx_tty_print_flags flags;
 	bool format_ch;
 };
 
-// output function type
-typedef void (*out_fct_type)(char character, struct out_tty_args *args);
-
-// wrapper (used as buffer) for output function type
-typedef struct {
-	void (*fct)(char character, void *arg);
-	void *arg;
-} out_fct_wrap_type;
-
-// internal buffer output
-static inline void _out_buffer(
-	char character, void *buffer, size_t idx, size_t maxlen)
-{
-	if (idx < maxlen) {
-		((char *)buffer)[idx] = character;
-	}
-}
-
-// internal null output
-static inline void _out_null(char character, void *buffer, size_t idx, size_t maxlen)
-{
-	(void)character;
-	(void)buffer;
-	(void)idx;
-	(void)maxlen;
-}
-
-// internal output function wrapper
-static inline void _out_fct(char character, void *buffer, size_t idx, size_t maxlen)
-{
-	(void)idx;
-	(void)maxlen;
-	if (character) {
-		// buffer is the output fct pointer
-		((out_fct_wrap_type *)buffer)
-			->fct(character, ((out_fct_wrap_type *)buffer)->arg);
-	}
-}
-
-// internal secure strlen
-// \return The length of the string (excluding the terminating 0) limited by 'maxsize'
-static inline unsigned int _strnlen_s(const char *str, size_t maxsize)
-{
-	const char *s;
-	for (s = str; *s && maxsize--; ++s)
-		;
-	return (unsigned int)(s - str);
-}
-
-// internal test if char is a digit (0-9)
-// \return true if char is a digit
-static inline bool _is_digit(char ch)
-{
-	return (ch >= '0') && (ch <= '9');
-}
-
-// internal ASCII string to unsigned int conversion
-static unsigned int _atoi(const char **str)
-{
-	unsigned int i = 0U;
-	while (_is_digit(**str)) {
-		i = i * 10U + (unsigned int)(*((*str)++) - '0');
-	}
-	return i;
-}
-
-// output the specified string in reverse, taking care of any zero-padding
-static size_t _out_rev(
-	out_fct_type out, struct out_tty_args *args, const char *buf,
-	size_t len, unsigned int width, unsigned int flags)
-{
-	size_t idx = 0;
-
-	// pad spaces up to given width
-	if (!(flags & FLAGS_LEFT) && !(flags & FLAGS_ZEROPAD)) {
-		for (size_t i = len; i < width; i++) {
-			out(' ', args);
-		}
-	}
-
-	// reverse string
-	while (len) {
-		out(buf[--len], args);
-	}
-
-	// append pad spaces up to given width
-	if (flags & FLAGS_LEFT) {
-		while (idx < width) {
-			out(' ', args);
-			idx++;
-		}
-	}
-
-	return idx;
-}
-
-// internal itoa format
-static size_t _ntoa_format(
-	out_fct_type out, struct out_tty_args *args, char *buf, size_t len,
-	bool negative, unsigned int base, unsigned int prec, unsigned int width,
-	unsigned int flags)
-{
-	// pad leading zeros
-	if (!(flags & FLAGS_LEFT)) {
-		if (width && (flags & FLAGS_ZEROPAD)
-		    && (negative || (flags & (FLAGS_PLUS | FLAGS_SPACE)))) {
-			width--;
-		}
-		while ((len < prec) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
-			buf[len++] = '0';
-		}
-		while ((flags & FLAGS_ZEROPAD) && (len < width)
-		       && (len < PRINTF_NTOA_BUFFER_SIZE)) {
-			buf[len++] = '0';
-		}
-	}
-
-	// handle hash
-	if (flags & FLAGS_HASH) {
-		if (!(flags & FLAGS_PRECISION) && len
-		    && ((len == prec) || (len == width))) {
-			len--;
-			if (len && (base == 16U)) {
-				len--;
-			}
-		}
-		if ((base == 16U) && !(flags & FLAGS_UPPERCASE)
-		    && (len < PRINTF_NTOA_BUFFER_SIZE)) {
-			buf[len++] = 'x';
-		} else if (
-			(base == 16U) && (flags & FLAGS_UPPERCASE)
-			&& (len < PRINTF_NTOA_BUFFER_SIZE)) {
-			buf[len++] = 'X';
-		} else if ((base == 2U) && (len < PRINTF_NTOA_BUFFER_SIZE)) {
-			buf[len++] = 'b';
-		}
-		if (len < PRINTF_NTOA_BUFFER_SIZE) {
-			buf[len++] = '0';
-		}
-	}
-
-	if (len < PRINTF_NTOA_BUFFER_SIZE) {
-		if (negative) {
-			buf[len++] = '-';
-		} else if (flags & FLAGS_PLUS) {
-			buf[len++] = '+';   // ignore the space if the '+' exists
-		} else if (flags & FLAGS_SPACE) {
-			buf[len++] = ' ';
-		}
-	}
-
-	return _out_rev(out, args, buf, len, width, flags);
-}
-
-// internal itoa for 'long' type
-static size_t _ntoa_long(
-	out_fct_type out, struct out_tty_args *args, unsigned long value,
-	bool negative, unsigned long base, unsigned int prec,
-	unsigned int width, unsigned int flags)
-{
-	char buf[PRINTF_NTOA_BUFFER_SIZE];
-	size_t len = 0U;
-
-	// no hash for 0 values
-	if (!value) {
-		flags &= ~FLAGS_HASH;
-	}
-
-	// write if precision != 0 and value is != 0
-	if (!(flags & FLAGS_PRECISION) || value) {
-		do {
-			const char digit = (char)(value % base);
-			buf[len++] = digit < 10
-			                   ? '0' + digit
-			                   : (flags & FLAGS_UPPERCASE ? 'A' : 'a')
-			                             + digit - 10;
-			value /= base;
-		} while (value && (len < PRINTF_NTOA_BUFFER_SIZE));
-	}
-
-	return _ntoa_format(
-		out, args, buf, len, negative, (unsigned int)base, prec, width,
-		flags);
-}
-
-// internal itoa for 'long long' type
-#if defined(PRINTF_SUPPORT_LONG_LONG)
-static size_t _ntoa_long_long(
-	out_fct_type out, struct out_tty_args *args, unsigned long long value,
-	bool negative, unsigned long long base, unsigned int prec,
-	unsigned int width, unsigned int flags)
-{
-	char buf[PRINTF_NTOA_BUFFER_SIZE];
-	size_t len = 0U;
-
-	// no hash for 0 values
-	if (!value) {
-		flags &= ~FLAGS_HASH;
-	}
-
-	// write if precision != 0 and value is != 0
-	if (!(flags & FLAGS_PRECISION) || value) {
-		do {
-			const char digit = (char)(value % base);
-			buf[len++] = digit < 10
-			                   ? '0' + digit
-			                   : (flags & FLAGS_UPPERCASE ? 'A' : 'a')
-			                             + digit - 10;
-			value /= base;
-		} while (value && (len < PRINTF_NTOA_BUFFER_SIZE));
-	}
-
-	return _ntoa_format(
-		out, args, buf, len, negative, (unsigned int)base, prec, width,
-		flags);
-}
-#endif   // PRINTF_SUPPORT_LONG_LONG
-
-#if defined(PRINTF_SUPPORT_FLOAT)
-
-#if defined(PRINTF_SUPPORT_EXPONENTIAL)
-// forward declaration so that _ftoa can switch to exp notation for values > PRINTF_MAX_FLOAT
-static size_t _etoa(
-	out_fct_type out, struct out_tty_args *args, double value,
-	unsigned int prec, unsigned int width, unsigned int flags);
-#endif
-
-// internal ftoa for fixed decimal floating point
-static size_t _ftoa(
-	out_fct_type out, struct out_tty_args *args, double value,
-	unsigned int prec, unsigned int width, unsigned int flags)
-{
-	char buf[PRINTF_FTOA_BUFFER_SIZE];
-	size_t len = 0U;
-	double diff = 0.0;
-
-	// powers of 10
-	static const double pow10[]
-		= {1,      10,      100,      1000,      10000,
-	           100000, 1000000, 10000000, 100000000, 1000000000};
-
-	// test for special values
-	if (value != value)
-		return _out_rev(out, args, "nan", 3, width, flags);
-	if (value < -DBL_MAX)
-		return _out_rev(out, args, "fni-", 4, width, flags);
-	if (value > DBL_MAX)
-		return _out_rev(
-			out, args, (flags & FLAGS_PLUS) ? "fni+" : "fni",
-			(flags & FLAGS_PLUS) ? 4U : 3U, width, flags);
-
-	// test for very large values
-	// standard printf behavior is to print EVERY whole number digit --
-	// which could be 100s of characters overflowing your buffers == bad
-	if ((value > PRINTF_MAX_FLOAT) || (value < -PRINTF_MAX_FLOAT)) {
-#if defined(PRINTF_SUPPORT_EXPONENTIAL)
-		return _etoa(out, args, value, prec, width, flags);
-#else
-		return 0U;
-#endif
-	}
-
-	// test for negative
-	bool negative = false;
-	if (value < 0) {
-		negative = true;
-		value = 0 - value;
-	}
-
-	// set default precision, if not set explicitly
-	if (!(flags & FLAGS_PRECISION)) {
-		prec = PRINTF_DEFAULT_FLOAT_PRECISION;
-	}
-	// limit precision to 9, cause a prec >= 10 can lead to overflow errors
-	while ((len < PRINTF_FTOA_BUFFER_SIZE) && (prec > 9U)) {
-		buf[len++] = '0';
-		prec--;
-	}
-
-	int whole = (int)value;
-	double tmp = (value - whole) * pow10[prec];
-	unsigned long frac = (unsigned long)tmp;
-	diff = tmp - frac;
-
-	if (diff > 0.5) {
-		++frac;
-		// handle rollover, e.g. case 0.99 with prec 1 is 1.0
-		if (frac >= pow10[prec]) {
-			frac = 0;
-			++whole;
-		}
-	} else if (diff < 0.5) {
-	} else if ((frac == 0U) || (frac & 1U)) {
-		// if halfway, round up if odd OR if last digit is 0
-		++frac;
-	}
-
-	if (prec == 0U) {
-		diff = value - (double)whole;
-		if ((!(diff < 0.5) || (diff > 0.5)) && (whole & 1)) {
-			// exactly 0.5 and ODD, then round up
-			// 1.5 -> 2, but 2.5 -> 2
-			++whole;
-		}
-	} else {
-		unsigned int count = prec;
-		// now do fractional part, as an unsigned number
-		while (len < PRINTF_FTOA_BUFFER_SIZE) {
-			--count;
-			buf[len++] = (char)(48U + (frac % 10U));
-			if (!(frac /= 10U)) {
-				break;
-			}
-		}
-		// add extra 0s
-		while ((len < PRINTF_FTOA_BUFFER_SIZE) && (count-- > 0U)) {
-			buf[len++] = '0';
-		}
-		if (len < PRINTF_FTOA_BUFFER_SIZE) {
-			// add decimal
-			buf[len++] = '.';
-		}
-	}
-
-	// do whole part, number is reversed
-	while (len < PRINTF_FTOA_BUFFER_SIZE) {
-		buf[len++] = (char)(48 + (whole % 10));
-		if (!(whole /= 10)) {
-			break;
-		}
-	}
-
-	// pad leading zeros
-	if (!(flags & FLAGS_LEFT) && (flags & FLAGS_ZEROPAD)) {
-		if (width && (negative || (flags & (FLAGS_PLUS | FLAGS_SPACE)))) {
-			width--;
-		}
-		while ((len < width) && (len < PRINTF_FTOA_BUFFER_SIZE)) {
-			buf[len++] = '0';
-		}
-	}
-
-	if (len < PRINTF_FTOA_BUFFER_SIZE) {
-		if (negative) {
-			buf[len++] = '-';
-		} else if (flags & FLAGS_PLUS) {
-			buf[len++] = '+';   // ignore the space if the '+' exists
-		} else if (flags & FLAGS_SPACE) {
-			buf[len++] = ' ';
-		}
-	}
-
-	return _out_rev(out, args, buf, len, width, flags);
-}
-
-#if defined(PRINTF_SUPPORT_EXPONENTIAL)
-// internal ftoa variant for exponential floating-point type, contributed by Martijn Jasperse <m.jasperse@gmail.com>
-static size_t _etoa(
-	out_fct_type out, struct out_tty_args *args, double value,
-	unsigned int prec, unsigned int width, unsigned int flags)
-{
-	// check for NaN and special values
-	if ((value != value) || (value > DBL_MAX) || (value < -DBL_MAX)) {
-		return _ftoa(out, args, value, prec, width, flags);
-	}
-
-	// determine the sign
-	const bool negative = value < 0;
-	if (negative) {
-		value = -value;
-	}
-
-	// default precision
-	if (!(flags & FLAGS_PRECISION)) {
-		prec = PRINTF_DEFAULT_FLOAT_PRECISION;
-	}
-
-	// determine the decimal exponent
-	// based on the algorithm by David Gay (https://www.ampl.com/netlib/fp/dtoa.c)
-	union {
-		uint64_t U;
-		double F;
-	} conv;
-
-	conv.F = value;
-	int exp2 = (int)((conv.U >> 52U) & 0x07FFU) - 1023;   // effectively log2
-	conv.U = (conv.U & ((1ULL << 52U) - 1U))
-	       | (1023ULL << 52U);   // drop the exponent so conv.F is now in [1,2)
-	// now approximate log10 from the log2 integer part and an expansion of ln around 1.5
-	int expval = (int)(0.1760912590558 + exp2 * 0.301029995663981
-	                   + (conv.F - 1.5) * 0.289529654602168);
-	// now we want to compute 10^expval but we want to be sure it won't overflow
-	exp2 = (int)(expval * 3.321928094887362 + 0.5);
-	const double z = expval * 2.302585092994046 - exp2 * 0.6931471805599453;
-	const double z2 = z * z;
-	conv.U = (uint64_t)(exp2 + 1023) << 52U;
-	// compute exp(z) using continued fractions, see https://en.wikipedia.org/wiki/Exponential_function#Continued_fractions_for_ex
-	conv.F *= 1 + 2 * z / (2 - z + (z2 / (6 + (z2 / (10 + z2 / 14)))));
-	// correct for rounding errors
-	if (value < conv.F) {
-		expval--;
-		conv.F /= 10;
-	}
-
-	// the exponent format is "%+03d" and largest value is "307", so set aside 4-5 characters
-	unsigned int minwidth = ((expval < 100) && (expval > -100)) ? 4U : 5U;
-
-	// in "%g" mode, "prec" is the number of *significant figures* not decimals
-	if (flags & FLAGS_ADAPT_EXP) {
-		// do we want to fall-back to "%f" mode?
-		if ((value >= 1e-4) && (value < 1e6)) {
-			if ((int)prec > expval) {
-				prec = (unsigned)((int)prec - expval - 1);
-			} else {
-				prec = 0;
-			}
-			flags |= FLAGS_PRECISION;   // make sure _ftoa respects precision
-			// no characters in exponent
-			minwidth = 0U;
-			expval = 0;
-		} else {
-			// we use one sigfig for the whole part
-			if ((prec > 0) && (flags & FLAGS_PRECISION)) {
-				--prec;
-			}
-		}
-	}
-
-	// will everything fit?
-	unsigned int fwidth = width;
-	if (width > minwidth) {
-		// we didn't fall-back so subtract the characters required for the exponent
-		fwidth -= minwidth;
-	} else {
-		// not enough characters, so go back to default sizing
-		fwidth = 0U;
-	}
-	if ((flags & FLAGS_LEFT) && minwidth) {
-		// if we're padding on the right, DON'T pad the floating part
-		fwidth = 0U;
-	}
-
-	// rescale the float value
-	if (expval) {
-		value /= conv.F;
-	}
-
-	// output the floating part
-	size_t idx
-		= _ftoa(out, args, negative ? -value : value, prec, fwidth,
-	                flags & ~FLAGS_ADAPT_EXP);
-
-	// output the exponent part
-	if (minwidth) {
-		// output the exponential symbol
-		out((flags & FLAGS_UPPERCASE) ? 'E' : 'e', args);
-		// output the exponent value
-		idx = _ntoa_long(
-			out, args, (expval < 0) ? -expval : expval, expval < 0,
-			10, 0, minwidth - 1, FLAGS_ZEROPAD | FLAGS_PLUS);
-		// might need to right-pad spaces
-		if (flags & FLAGS_LEFT) {
-			while (idx < width) {
-				out(' ', args);
-				idx++;
-			}
-		}
-	}
-	return idx;
-}
-#endif   // PRINTF_SUPPORT_EXPONENTIAL
-#endif   // PRINTF_SUPPORT_FLOAT
-
-#define set_format_ch(args)   ((args)->format_ch = true)
-#define unset_format_ch(args) ((args)->format_ch = false)
-
-// internal vsnprintf
-static int _vsnprintf(
-	out_fct_type out, struct out_tty_args *args, const char *format, va_list va)
-{
-	unsigned int flags, width, precision, n;
-	size_t idx = 0U;
-
-	while (*format) {
-		// format specifier?  %[flags][width][.precision][length]
-		if (*format != '%') {
-			// no
-			set_format_ch(args);
-			out(*format, args);
-			unset_format_ch(args);
-			format++;
-			continue;
-		} else {
-			// yes, evaluate it
-			format++;
-		}
-
-		// evaluate flags
-		flags = 0U;
-		do {
-			switch (*format) {
-			case '0':
-				flags |= FLAGS_ZEROPAD;
-				format++;
-				n = 1U;
-				break;
-			case '-':
-				flags |= FLAGS_LEFT;
-				format++;
-				n = 1U;
-				break;
-			case '+':
-				flags |= FLAGS_PLUS;
-				format++;
-				n = 1U;
-				break;
-			case ' ':
-				flags |= FLAGS_SPACE;
-				format++;
-				n = 1U;
-				break;
-			case '#':
-				flags |= FLAGS_HASH;
-				format++;
-				n = 1U;
-				break;
-			default:
-				n = 0U;
-				break;
-			}
-		} while (n);
-
-		// evaluate width field
-		width = 0U;
-		if (_is_digit(*format)) {
-			width = _atoi(&format);
-		} else if (*format == '*') {
-			const int w = va_arg(va, int);
-			if (w < 0) {
-				flags |= FLAGS_LEFT;   // reverse padding
-				width = (unsigned int)-w;
-			} else {
-				width = (unsigned int)w;
-			}
-			format++;
-		}
-
-		// evaluate precision field
-		precision = 0U;
-		if (*format == '.') {
-			flags |= FLAGS_PRECISION;
-			format++;
-			if (_is_digit(*format)) {
-				precision = _atoi(&format);
-			} else if (*format == '*') {
-				const int prec = (int)va_arg(va, int);
-				precision = prec > 0 ? (unsigned int)prec : 0U;
-				format++;
-			}
-		}
-
-		// evaluate length field
-		switch (*format) {
-		case 'l':
-			flags |= FLAGS_LONG;
-			format++;
-			if (*format == 'l') {
-				flags |= FLAGS_LONG_LONG;
-				format++;
-			}
-			break;
-		case 'h':
-			flags |= FLAGS_SHORT;
-			format++;
-			if (*format == 'h') {
-				flags |= FLAGS_CHAR;
-				format++;
-			}
-			break;
-#if defined(PRINTF_SUPPORT_PTRDIFF_T)
-		case 't':
-			flags
-				|= (sizeof(ptrdiff_t) == sizeof(long)
-			                    ? FLAGS_LONG
-			                    : FLAGS_LONG_LONG);
-			format++;
-			break;
-#endif
-		case 'j':
-			flags
-				|= (sizeof(intmax_t) == sizeof(long)
-			                    ? FLAGS_LONG
-			                    : FLAGS_LONG_LONG);
-			format++;
-			break;
-		case 'z':
-			flags
-				|= (sizeof(size_t) == sizeof(long)
-			                    ? FLAGS_LONG
-			                    : FLAGS_LONG_LONG);
-			format++;
-			break;
-		default:
-			break;
-		}
-
-		// evaluate specifier
-		switch (*format) {
-		case 'd':
-		case 'i':
-		case 'u':
-		case 'x':
-		case 'X':
-		case 'o':
-		case 'b': {
-			// set the base
-			unsigned int base;
-			if (*format == 'x' || *format == 'X') {
-				base = 16U;
-			} else if (*format == 'o') {
-				base = 8U;
-			} else if (*format == 'b') {
-				base = 2U;
-			} else {
-				base = 10U;
-				flags &= ~FLAGS_HASH;   // no hash for dec format
-			}
-			// uppercase
-			if (*format == 'X') {
-				flags |= FLAGS_UPPERCASE;
-			}
-
-			// no plus or space flag for u, x, X, o, b
-			if ((*format != 'i') && (*format != 'd')) {
-				flags &= ~(FLAGS_PLUS | FLAGS_SPACE);
-			}
-
-			// ignore '0' flag when precision is given
-			if (flags & FLAGS_PRECISION) {
-				flags &= ~FLAGS_ZEROPAD;
-			}
-
-			// convert the integer
-			if ((*format == 'i') || (*format == 'd')) {
-				// signed
-				if (flags & FLAGS_LONG_LONG) {
-#if defined(PRINTF_SUPPORT_LONG_LONG)
-					const long long value
-						= va_arg(va, long long);
-					idx = _ntoa_long_long(
-						out, args,
-						(unsigned long long)(value > 0 ? value
-					                                       : 0 - value),
-						value < 0, base, precision,
-						width, flags);
-#endif
-				} else if (flags & FLAGS_LONG) {
-					const long value = va_arg(va, long);
-					idx = _ntoa_long(
-						out, args,
-						(unsigned long)(value > 0 ? value
-					                                  : 0 - value),
-						value < 0, base, precision,
-						width, flags);
-				} else {
-					const int value
-						= (flags & FLAGS_CHAR)
-					                ? (char)va_arg(va, int)
-					        : (flags & FLAGS_SHORT)
-					                ? (short int)va_arg(va, int)
-					                : va_arg(va, int);
-					idx = _ntoa_long(
-						out, args,
-						(unsigned int)(value > 0 ? value
-					                                 : 0 - value),
-						value < 0, base, precision,
-						width, flags);
-				}
-			} else {
-				// unsigned
-				if (flags & FLAGS_LONG_LONG) {
-#if defined(PRINTF_SUPPORT_LONG_LONG)
-					idx = _ntoa_long_long(
-						out, args,
-						va_arg(va, unsigned long long),
-						false, base, precision, width,
-						flags);
-#endif
-				} else if (flags & FLAGS_LONG) {
-					idx = _ntoa_long(
-						out, args,
-						va_arg(va, unsigned long), false,
-						base, precision, width, flags);
-				} else {
-					const unsigned int value
-						= (flags & FLAGS_CHAR)
-					                ? (unsigned char)va_arg(
-								  va, unsigned int)
-					        : (flags & FLAGS_SHORT)
-					                ? (unsigned short int)va_arg(
-								  va, unsigned int)
-					                : va_arg(va, unsigned int);
-					idx = _ntoa_long(
-						out, args, value, false, base,
-						precision, width, flags);
-				}
-			}
-			format++;
-			break;
-		}
-#if defined(PRINTF_SUPPORT_FLOAT)
-		case 'f':
-		case 'F':
-			if (*format == 'F')
-				flags |= FLAGS_UPPERCASE;
-			idx
-				= _ftoa(out, args, va_arg(va, double),
-			                precision, width, flags);
-			format++;
-			break;
-#if defined(PRINTF_SUPPORT_EXPONENTIAL)
-		case 'e':
-		case 'E':
-		case 'g':
-		case 'G':
-			if ((*format == 'g') || (*format == 'G'))
-				flags |= FLAGS_ADAPT_EXP;
-			if ((*format == 'E') || (*format == 'G'))
-				flags |= FLAGS_UPPERCASE;
-			idx
-				= _etoa(out, args, va_arg(va, double),
-			                precision, width, flags);
-			format++;
-			break;
-#endif   // PRINTF_SUPPORT_EXPONENTIAL
-#endif   // PRINTF_SUPPORT_FLOAT
-		case 'c': {
-			unsigned int l = 1U;
-			// pre padding
-			if (!(flags & FLAGS_LEFT)) {
-				while (l++ < width) {
-					out(' ', args);
-				}
-			}
-			// char output
-			out((char)va_arg(va, int), args);
-			// post padding
-			if (flags & FLAGS_LEFT) {
-				while (l++ < width) {
-					out(' ', args);
-				}
-			}
-			format++;
-			break;
-		}
-
-		case 's': {
-			const char *p = va_arg(va, char *);
-			unsigned int l = _strnlen_s(
-				p, precision ? precision : (size_t)-1);
-			// pre padding
-			if (flags & FLAGS_PRECISION) {
-				l = (l < precision ? l : precision);
-			}
-			if (!(flags & FLAGS_LEFT)) {
-				while (l++ < width) {
-					out(' ', args);
-				}
-			}
-			// string output
-			while ((*p != 0)
-			       && (!(flags & FLAGS_PRECISION) || precision--)) {
-				out(*(p++), args);
-			}
-			// post padding
-			if (flags & FLAGS_LEFT) {
-				while (l++ < width) {
-					out(' ', args);
-				}
-			}
-			format++;
-			break;
-		}
-
-		case 'p': {
-			width = sizeof(void *) * 2U;
-			flags |= FLAGS_ZEROPAD | FLAGS_UPPERCASE;
-#if defined(PRINTF_SUPPORT_LONG_LONG)
-			const bool is_ll = sizeof(uintptr_t) == sizeof(long long);
-			if (is_ll) {
-				idx = _ntoa_long_long(
-					out, args, (uintptr_t)va_arg(va, void *),
-					false, 16U, precision, width, flags);
-			} else {
-#endif
-				idx = _ntoa_long(
-					out, args,
-					(unsigned long)((uintptr_t)va_arg(
-						va, void *)),
-					false, 16U, precision, width, flags);
-#if defined(PRINTF_SUPPORT_LONG_LONG)
-			}
-#endif
-			format++;
-			break;
-		}
-
-		case '%':
-			set_format_ch(args);
-			out('%', args);
-			unset_format_ch(args);
-			format++;
-			break;
-
-		default:
-			set_format_ch(args);
-			out(*format, args);
-			unset_format_ch(args);
-			format++;
-			break;
-		}
-	}
-
-	// termination
-	out((char)0, args);
-
-	// return written chars without terminating \0
-	return (int)idx;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-static void out_tty(char c, struct out_tty_args *args)
+static void out_tty(char c, void *argp)
 {
 	if (c == 0) {
 		return;
 	}
 
+	struct out_tty_args *args = argp;
 	enum fx_tty_print_flags flags = args->flags;
 
-	if (!args->format_ch && (flags & FX_TTY_DISABLE_INTERPOLATED_FORMATTING)) {
+	if (!args->format_ch
+	    && (flags & FX_TTY_DISABLE_INTERPOLATED_FORMATTING)) {
 		flags |= FX_TTY_DISABLE_FORMATTING;
 	}
 
 	fx_tty_putc(args->tty, flags, c);
 }
 
+extern int z__fx_fctprintf(
+	void (*out)(char c, void *extra_arg),
+	void *extra_arg,
+	const char *format,
+	va_list arg);
+
 int fx_tty_vprintf(
-	struct fx_tty *tty, enum fx_tty_print_flags flags, const char *format,
+	struct fx_tty *tty,
+	enum fx_tty_print_flags flags,
+	const char *format,
 	va_list args)
 {
 	struct out_tty_args tty_args = {
@@ -977,6 +44,6 @@ int fx_tty_vprintf(
 		.tty = tty,
 	};
 
-	const int ret = _vsnprintf(out_tty, &tty_args, format, args);
+	const int ret = z__fx_fctprintf(out_tty, &tty_args, format, args);
 	return ret;
 }

fx.term/sys/apple/tty.c

@@ -1,5 +1,8 @@
+#define _POSIX_C_SOURCE 200809L
+
 #include "../../tty.h"
 
+#include <ctype.h>
 #include <fx/term/tty.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -101,6 +104,7 @@ static void init_tty(struct fx_tty *tty, FILE *in, FILE *out)
 
 	tcgetattr(fd, &tty->t_ios_default);
 	memcpy(&tty->t_ios_raw, &tty->t_ios_default, sizeof tty->t_ios_raw);
+	setvbuf(out, NULL, _IOLBF, 4096);
 
 	tty->t_ios_raw.c_iflag &= ~(ICRNL | IXON);
 	tty->t_ios_raw.c_oflag &= ~(OPOST);
@@ -205,8 +209,14 @@ void fx_tty_reset_vmode(struct fx_tty *tty)
 	tty->t_vmode.v_attrib = FX_TTY_ATTRIB_NORMAL;
 }
 
+void fx_tty_flush(struct fx_tty *tty)
+{
+	fflush(tty->t_out);
+}
+
 static int compare_colour(
-	const struct fx_tty_colour *a, const struct fx_tty_colour *b)
+	const struct fx_tty_colour *a,
+	const struct fx_tty_colour *b)
 {
 	if (a->c_mode != b->c_mode) {
 		return -1;
@@ -243,7 +253,9 @@ static int compare_colour(
 	return 0;
 }
 
-static int compare_vmode(const struct fx_tty_vmode *a, const struct fx_tty_vmode *b)
+static int compare_vmode(
+	const struct fx_tty_vmode *a,
+	const struct fx_tty_vmode *b)
 {
 	if (a->v_attrib != b->v_attrib) {
 		return -1;
@@ -271,7 +283,9 @@ static void put_ansi_attrib(struct fx_tty *tty, const char *s)
 }
 
 static void set_attrib(
-	struct fx_tty *tty, enum fx_tty_attrib old, enum fx_tty_attrib new)
+	struct fx_tty *tty,
+	enum fx_tty_attrib old,
+	enum fx_tty_attrib new)
 {
 	if (old == new) {
 		return;
@@ -309,7 +323,8 @@ static void set_attrib(
 }
 
 static void set_fg(
-	struct fx_tty *tty, const struct fx_tty_colour *old,
+	struct fx_tty *tty,
+	const struct fx_tty_colour *old,
 	const struct fx_tty_colour *new)
 {
 	if (compare_colour(old, new) == 0) {
@@ -345,7 +360,8 @@ static void set_fg(
 }
 
 static void set_bg(
-	struct fx_tty *tty, const struct fx_tty_colour *old,
+	struct fx_tty *tty,
+	const struct fx_tty_colour *old,
 	const struct fx_tty_colour *new)
 {
 	if (compare_colour(old, new) == 0) {
@@ -458,7 +474,10 @@ fx_keycode fx_tty_read_key(struct fx_tty *tty)
 	return c;
 }
 
-void fx_tty_move_cursor_x(struct fx_tty *tty, enum fx_tty_position_base base, int pos)
+void fx_tty_move_cursor_x(
+	struct fx_tty *tty,
+	enum fx_tty_position_base base,
+	int pos)
 {
 	if (base == FX_TTY_POS_CURSOR && pos < 0 && pos >= -4) {
 		for (int i = 0; i > pos; i--) {
@@ -487,7 +506,10 @@ void fx_tty_move_cursor_x(struct fx_tty *tty, enum fx_tty_position_base base, in
 	}
 }
 
-void fx_tty_move_cursor_y(struct fx_tty *tty, enum fx_tty_position_base base, int pos)
+void fx_tty_move_cursor_y(
+	struct fx_tty *tty,
+	enum fx_tty_position_base base,
+	int pos)
 {
 	if (base == FX_TTY_POS_START) {
 		/* we don't need this functionality right now */
@@ -528,7 +550,9 @@ void fx_tty_clear(struct fx_tty *tty, enum fx_tty_clear_mode mode)
 }
 
 enum fx_status fx_tty_get_dimensions(
-	struct fx_tty *tty, unsigned int *w, unsigned int *h)
+	struct fx_tty *tty,
+	unsigned int *w,
+	unsigned int *h)
 {
 	if (!(tty->t_flags & FX_TTY_INTERACTIVE)) {
 		return -1;
@@ -550,3 +574,62 @@ enum fx_status fx_tty_get_dimensions(
 
 	return 0;
 }
+
+enum fx_status fx_tty_get_cursor_position(
+	struct fx_tty *tty,
+	unsigned int *w,
+	unsigned int *h)
+{
+	if (!(tty->t_flags & FX_TTY_INTERACTIVE)) {
+		return -1;
+	}
+
+	int in_fd = fileno(tty->t_in);
+	int out_fd = fileno(tty->t_out);
+
+	write(out_fd, "\x1b[6n", 4);
+
+	char c;
+	read(in_fd, &c, 1);
+	read(in_fd, &c, 1);
+
+	char s[16] = {0};
+	for (int i = 0; i < sizeof s - 1; i++) {
+		read(in_fd, &c, 1);
+		if (!isdigit(c)) {
+			break;
+		}
+
+		s[i] = c;
+		s[i + 1] = 0;
+	}
+
+	if (w) {
+		if (s[0]) {
+			*w = atoi(s);
+		} else {
+			*w = 0;
+		}
+	}
+
+	s[0] = 0;
+	for (int i = 0; i < sizeof s - 1; i++) {
+		read(in_fd, &c, 1);
+		if (!isdigit(c)) {
+			break;
+		}
+
+		s[i] = c;
+		s[i + 1] = 0;
+	}
+
+	if (h) {
+		if (s[0]) {
+			*h = atoi(s);
+		} else {
+			*h = 0;
+		}
+	}
+
+	return 0;
+}

fx.term/sys/linux/tty.c

@@ -2,6 +2,7 @@
 
 #include "../../tty.h"
 
+#include <ctype.h>
 #include <fx/term/tty.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -103,6 +104,7 @@ static void init_tty(struct fx_tty *tty, FILE *in, FILE *out)
 
 	tcgetattr(fd, &tty->t_ios_default);
 	memcpy(&tty->t_ios_raw, &tty->t_ios_default, sizeof tty->t_ios_raw);
+	setvbuf(out, NULL, _IOLBF, 4096);
 
 	tty->t_ios_raw.c_iflag &= ~(ICRNL | IXON);
 	tty->t_ios_raw.c_oflag &= ~(OPOST);
@@ -207,8 +209,14 @@ void fx_tty_reset_vmode(struct fx_tty *tty)
 	tty->t_vmode.v_attrib = FX_TTY_ATTRIB_NORMAL;
 }
 
+void fx_tty_flush(struct fx_tty *tty)
+{
+	fflush(tty->t_out);
+}
+
 static int compare_colour(
-	const struct fx_tty_colour *a, const struct fx_tty_colour *b)
+	const struct fx_tty_colour *a,
+	const struct fx_tty_colour *b)
 {
 	if (a->c_mode != b->c_mode) {
 		return -1;
@@ -245,7 +253,9 @@ static int compare_colour(
 	return 0;
 }
 
-static int compare_vmode(const struct fx_tty_vmode *a, const struct fx_tty_vmode *b)
+static int compare_vmode(
+	const struct fx_tty_vmode *a,
+	const struct fx_tty_vmode *b)
 {
 	if (a->v_attrib != b->v_attrib) {
 		return -1;
@@ -273,45 +283,48 @@ static void put_ansi_attrib(struct fx_tty *tty, const char *s)
 }
 
 static void set_attrib(
-	struct fx_tty *tty, enum fx_tty_attrib old, enum fx_tty_attrib new)
+	struct fx_tty *tty,
+	enum fx_tty_attrib old,
+	enum fx_tty_attrib new)
 {
 	if (old == new) {
 		return;
 	}
 
 	/* Bold ON */
-	if (!(old & FX_TTY_ATTRIB_BOLD) && new &FX_TTY_ATTRIB_BOLD) {
+	if (!(old & FX_TTY_ATTRIB_BOLD) && new & FX_TTY_ATTRIB_BOLD) {
 		put_ansi_attrib(tty, ANSI_BOLD_ON);
 	}
 
 	/* Bold OFF */
-	if (old & FX_TTY_ATTRIB_BOLD && !(new &FX_TTY_ATTRIB_BOLD)) {
+	if (old & FX_TTY_ATTRIB_BOLD && !(new & FX_TTY_ATTRIB_BOLD)) {
 		put_ansi_attrib(tty, ANSI_BOLD_OFF);
 	}
 
 	/* Underline ON */
-	if (!(old & FX_TTY_ATTRIB_UNDERLINE) && new &FX_TTY_ATTRIB_UNDERLINE) {
+	if (!(old & FX_TTY_ATTRIB_UNDERLINE) && new & FX_TTY_ATTRIB_UNDERLINE) {
 		put_ansi_attrib(tty, ANSI_UNDERLINE_ON);
 	}
 
 	/* Underline OFF */
-	if (old & FX_TTY_ATTRIB_UNDERLINE && !(new &FX_TTY_ATTRIB_UNDERLINE)) {
+	if (old & FX_TTY_ATTRIB_UNDERLINE && !(new & FX_TTY_ATTRIB_UNDERLINE)) {
 		put_ansi_attrib(tty, ANSI_UNDERLINE_OFF);
 	}
 
 	/* Italic ON */
-	if (!(old & FX_TTY_ATTRIB_ITALIC) && new &FX_TTY_ATTRIB_ITALIC) {
+	if (!(old & FX_TTY_ATTRIB_ITALIC) && new & FX_TTY_ATTRIB_ITALIC) {
 		put_ansi_attrib(tty, ANSI_ITALIC_ON);
 	}
 
 	/* Italic OFF */
-	if (old & FX_TTY_ATTRIB_ITALIC && !(new &FX_TTY_ATTRIB_ITALIC)) {
+	if (old & FX_TTY_ATTRIB_ITALIC && !(new & FX_TTY_ATTRIB_ITALIC)) {
 		put_ansi_attrib(tty, ANSI_ITALIC_OFF);
 	}
 }
 
 static void set_fg(
-	struct fx_tty *tty, const struct fx_tty_colour *old,
+	struct fx_tty *tty,
+	const struct fx_tty_colour *old,
 	const struct fx_tty_colour *new)
 {
 	if (compare_colour(old, new) == 0) {
@@ -347,7 +360,8 @@ static void set_fg(
 }
 
 static void set_bg(
-	struct fx_tty *tty, const struct fx_tty_colour *old,
+	struct fx_tty *tty,
+	const struct fx_tty_colour *old,
 	const struct fx_tty_colour *new)
 {
 	if (compare_colour(old, new) == 0) {
@@ -460,7 +474,10 @@ fx_keycode fx_tty_read_key(struct fx_tty *tty)
 	return c;
 }
 
-void fx_tty_move_cursor_x(struct fx_tty *tty, enum fx_tty_position_base base, int pos)
+void fx_tty_move_cursor_x(
+	struct fx_tty *tty,
+	enum fx_tty_position_base base,
+	int pos)
 {
 	if (base == FX_TTY_POS_CURSOR && pos < 0 && pos >= -4) {
 		for (int i = 0; i > pos; i--) {
@@ -489,7 +506,10 @@ void fx_tty_move_cursor_x(struct fx_tty *tty, enum fx_tty_position_base base, in
 	}
 }
 
-void fx_tty_move_cursor_y(struct fx_tty *tty, enum fx_tty_position_base base, int pos)
+void fx_tty_move_cursor_y(
+	struct fx_tty *tty,
+	enum fx_tty_position_base base,
+	int pos)
 {
 	if (base == FX_TTY_POS_START) {
 		/* we don't need this functionality right now */
@@ -530,7 +550,9 @@ void fx_tty_clear(struct fx_tty *tty, enum fx_tty_clear_mode mode)
 }
 
 enum fx_status fx_tty_get_dimensions(
-	struct fx_tty *tty, unsigned int *w, unsigned int *h)
+	struct fx_tty *tty,
+	unsigned int *w,
+	unsigned int *h)
 {
 	if (!(tty->t_flags & FX_TTY_INTERACTIVE)) {
 		return -1;
@@ -552,3 +574,62 @@ enum fx_status fx_tty_get_dimensions(
 
 	return 0;
 }
+
+enum fx_status fx_tty_get_cursor_position(
+	struct fx_tty *tty,
+	unsigned int *w,
+	unsigned int *h)
+{
+	if (!(tty->t_flags & FX_TTY_INTERACTIVE)) {
+		return -1;
+	}
+
+	int in_fd = fileno(tty->t_in);
+	int out_fd = fileno(tty->t_out);
+
+	write(out_fd, "\x1b[6n", 4);
+
+	char c;
+	read(in_fd, &c, 1);
+	read(in_fd, &c, 1);
+
+	char s[16] = {0};
+	for (int i = 0; i < sizeof s - 1; i++) {
+		read(in_fd, &c, 1);
+		if (!isdigit(c)) {
+			break;
+		}
+
+		s[i] = c;
+		s[i + 1] = 0;
+	}
+
+	if (w) {
+		if (s[0]) {
+			*w = atoi(s);
+		} else {
+			*w = 0;
+		}
+	}
+
+	s[0] = 0;
+	for (int i = 0; i < sizeof s - 1; i++) {
+		read(in_fd, &c, 1);
+		if (!isdigit(c)) {
+			break;
+		}
+
+		s[i] = c;
+		s[i + 1] = 0;
+	}
+
+	if (h) {
+		if (s[0]) {
+			*h = atoi(s);
+		} else {
+			*h = 0;
+		}
+	}
+
+	return 0;
+}

fx.term/sys/rosetta/print.c

@@ -0,0 +1,30 @@
+#define _POSIX_C_SOURCE 200809L
+
+#include "../../print.h"
+
+#include <stdio.h>
+#include <string.h>
+
+int z__fx_stream_is_tty(FILE *fp)
+{
+	return 0;
+}
+
+int z__fx_stream_dimensions(FILE *fp, unsigned int *w, unsigned int *h)
+{
+	return -1;
+}
+
+int z__fx_stream_cursorpos(
+	FILE *in,
+	FILE *out,
+	unsigned int *x,
+	unsigned int *y)
+{
+	return -1;
+}
+
+int z__fx_stream_set_modifier(FILE *fp, enum z__fx_stream_modifier mod)
+{
+	return -1;
+}

fx.term/sys/rosetta/tty.c

@@ -0,0 +1,229 @@
+#define _POSIX_C_SOURCE 200809L
+
+#include "../../tty.h"
+
+#include <ctype.h>
+#include <fx/term/tty.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define ANSI_BOLD_ON          "1"
+#define ANSI_BOLD_OFF         "22"
+#define ANSI_ITALIC_ON        "3"
+#define ANSI_ITALIC_OFF       "23"
+#define ANSI_UNDERLINE_ON     "4"
+#define ANSI_UNDERLINE_OFF    "24"
+
+#define ANSI_DEFAULTCOLOUR_FG "39"
+#define ANSI_DEFAULTCOLOUR_BG "49"
+
+#define ANSI_256COLOUR_FG     "38;5"
+#define ANSI_256COLOUR_BG     "48;5"
+
+#define ANSI_TRUECOLOUR_FG    "38;2"
+#define ANSI_TRUECOLOUR_BG    "48;2"
+
+enum tty_flags {
+	FX_TTY_INIT = 0x01u,
+	FX_TTY_INTERACTIVE = 0x02u,
+};
+
+struct fx_tty {
+	FILE *t_in, *t_out;
+	enum tty_flags t_flags;
+	struct fx_tty_vmode t_vmode;
+	unsigned char t_mcount;
+	struct tty_format_buf t_format_buf;
+};
+
+static struct fx_tty std = {0};
+static struct fx_tty err = {0};
+
+static const char *ansi_colour16_fg[] = {
+	[FX_TTY_COLOUR16_BLACK] = "30",
+	[FX_TTY_COLOUR16_RED] = "31",
+	[FX_TTY_COLOUR16_GREEN] = "32",
+	[FX_TTY_COLOUR16_YELLOW] = "33",
+	[FX_TTY_COLOUR16_FX] = "34",
+	[FX_TTY_COLOUR16_MAGENTA] = "35",
+	[FX_TTY_COLOUR16_CYAN] = "36",
+	[FX_TTY_COLOUR16_WHITE] = "37",
+	[FX_TTY_COLOUR16_BRIGHT_BLACK] = "90",
+	[FX_TTY_COLOUR16_BRIGHT_RED] = "91",
+	[FX_TTY_COLOUR16_BRIGHT_GREEN] = "92",
+	[FX_TTY_COLOUR16_BRIGHT_YELLOW] = "93",
+	[FX_TTY_COLOUR16_BRIGHT_FX] = "94",
+	[FX_TTY_COLOUR16_BRIGHT_MAGENTA] = "95",
+	[FX_TTY_COLOUR16_BRIGHT_CYAN] = "96",
+	[FX_TTY_COLOUR16_BRIGHT_WHITE] = "97",
+};
+
+static const char *ansi_colour16_bg[] = {
+	[FX_TTY_COLOUR16_BLACK] = "40",
+	[FX_TTY_COLOUR16_RED] = "41",
+	[FX_TTY_COLOUR16_GREEN] = "42",
+	[FX_TTY_COLOUR16_YELLOW] = "43",
+	[FX_TTY_COLOUR16_FX] = "44",
+	[FX_TTY_COLOUR16_MAGENTA] = "45",
+	[FX_TTY_COLOUR16_CYAN] = "46",
+	[FX_TTY_COLOUR16_WHITE] = "47",
+	[FX_TTY_COLOUR16_BRIGHT_BLACK] = "100",
+	[FX_TTY_COLOUR16_BRIGHT_RED] = "101",
+	[FX_TTY_COLOUR16_BRIGHT_GREEN] = "102",
+	[FX_TTY_COLOUR16_BRIGHT_YELLOW] = "103",
+	[FX_TTY_COLOUR16_BRIGHT_FX] = "104",
+	[FX_TTY_COLOUR16_BRIGHT_MAGENTA] = "105",
+	[FX_TTY_COLOUR16_BRIGHT_CYAN] = "106",
+	[FX_TTY_COLOUR16_BRIGHT_WHITE] = "107",
+};
+
+static void init_tty(struct fx_tty *tty, FILE *in, FILE *out)
+{
+}
+
+struct fx_tty *z__fx_tty_get_std(void)
+{
+	if (!(std.t_flags & FX_TTY_INIT)) {
+		init_tty(&std, stdin, stdout);
+	}
+
+	return &std;
+}
+
+struct fx_tty *z__fx_tty_get_err(void)
+{
+	if (!(err.t_flags & FX_TTY_INIT)) {
+		init_tty(&err, NULL, stderr);
+	}
+
+	return &err;
+}
+
+struct tty_format_buf *z__fx_tty_get_format_buf(struct fx_tty *tty)
+{
+	return &tty->t_format_buf;
+}
+
+void z__fx_tty_putc(struct fx_tty *tty, char c)
+{
+	fputc(c, tty->t_out);
+}
+
+bool fx_tty_is_interactive(const struct fx_tty *tty)
+{
+	return (tty->t_flags & FX_TTY_INTERACTIVE) == FX_TTY_INTERACTIVE;
+}
+
+void fx_tty_set_mode(struct fx_tty *tty, enum fx_tty_mode mode)
+{
+}
+
+void fx_tty_reset_vmode(struct fx_tty *tty)
+{
+}
+
+void fx_tty_flush(struct fx_tty *tty)
+{
+}
+
+static int compare_colour(
+	const struct fx_tty_colour *a,
+	const struct fx_tty_colour *b)
+{
+	if (a->c_mode != b->c_mode) {
+		return -1;
+	}
+
+	switch (a->c_mode) {
+	case FX_TTY_COLOUR_16:
+		if (a->c_16.value != b->c_16.value) {
+			return -1;
+		}
+		break;
+	case FX_TTY_COLOUR_256:
+		if (a->c_256.value != b->c_256.value) {
+			return -1;
+		}
+		break;
+	case FX_TTY_COLOUR_TRUE:
+		if (a->c_true.r != b->c_true.r) {
+			return -1;
+		}
+
+		if (a->c_true.g != b->c_true.g) {
+			return -1;
+		}
+
+		if (a->c_true.b != b->c_true.b) {
+			return -1;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int compare_vmode(
+	const struct fx_tty_vmode *a,
+	const struct fx_tty_vmode *b)
+{
+	if (a->v_attrib != b->v_attrib) {
+		return -1;
+	}
+
+	if (compare_colour(&a->v_fg, &b->v_fg) != 0) {
+		return -1;
+	}
+
+	if (compare_colour(&a->v_bg, &b->v_bg) != 0) {
+		return -1;
+	}
+
+	return 0;
+}
+
+void fx_tty_set_vmode(struct fx_tty *tty, const struct fx_tty_vmode *vmode)
+{
+}
+
+fx_keycode fx_tty_read_key(struct fx_tty *tty)
+{
+	return FX_KEY_EOF;
+}
+
+void fx_tty_move_cursor_x(
+	struct fx_tty *tty,
+	enum fx_tty_position_base base,
+	int pos)
+{
+}
+
+void fx_tty_move_cursor_y(
+	struct fx_tty *tty,
+	enum fx_tty_position_base base,
+	int pos)
+{
+}
+
+void fx_tty_clear(struct fx_tty *tty, enum fx_tty_clear_mode mode)
+{
+}
+
+enum fx_status fx_tty_get_dimensions(
+	struct fx_tty *tty,
+	unsigned int *w,
+	unsigned int *h)
+{
+	return -1;
+}
+
+enum fx_status fx_tty_get_cursor_position(
+	struct fx_tty *tty,
+	unsigned int *w,
+	unsigned int *h)
+{
+	return -1;
+}