bshell: re-organise build into three separate components

bshell: the front-end binary bshell.runtime: contains the parser, compiler, and classes needed to run bshell scripts bshell.core: contains the builtin commandlets and aliases
2026-05-25 10:33:29 +01:00
parent 58c76a1f57
commit edfb3e24a3
165 changed files with 5173 additions and 4995 deletions
@@ -0,0 +1,140 @@
+#include <bshell/command/cmdlet.h>
+#include <bshell/command/command.h>
+#include <bshell/format.h>
+#include <bshell/runtime/pipeline.h>
+#include <bshell/status.h>
+#include <fx/collections/array.h>
+#include <fx/reflection/function.h>
+#include <fx/string.h>
+#include <fx/value-type.h>
+#include <fx/vector.h>
+
+#define BSHELL_TYPE_WRITE_OUTPUT (bshell_write_output_get_type())
+
+fx_type_id bshell_write_output_get_type(void);
+
+FX_DECLARE_TYPE(bshell_write_output);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(bshell_write_output)
+FX_TYPE_CLASS_DECLARATION_END(bshell_write_output)
+
+struct bshell_write_output_p {
+	struct bshell_table_ctx w_table_ctx;
+	bool w_table_initialised;
+};
+
+static void initialise_table(
+	struct bshell_write_output_p *cmd,
+	const fx_value *first_record)
+{
+	bshell_table_ctx_init(&cmd->w_table_ctx, fx_stdout);
+	const fx_type *ty = fx_type_get_by_id(first_record->v_type);
+	bshell_table_ctx_prepare_columns_from_format(
+		&cmd->w_table_ctx,
+		ty,
+		NULL);
+	bshell_table_ctx_print_headers(&cmd->w_table_ctx);
+	cmd->w_table_initialised = true;
+}
+
+static bool value_requires_table(const fx_value *value)
+{
+	if (fx_type_is_value_type(value->v_type)) {
+		return false;
+	}
+
+	if (fx_value_is_type(value, FX_TYPE_STRING)
+	    || fx_value_is_type(value, FX_TYPE_ARRAY)) {
+		return false;
+	}
+
+	return true;
+}
+
+static void write_value(
+	struct bshell_write_output_p *cmd,
+	const fx_value *value)
+{
+	if (!value_requires_table(value)) {
+		fx_value_to_string(value, fx_stdout, NULL);
+		fx_stream_write_char(fx_stdout, '\n');
+		return;
+	}
+
+	if (!cmd->w_table_initialised) {
+		initialise_table(cmd, value);
+	}
+
+	bshell_table_ctx_print_record(&cmd->w_table_ctx, value);
+}
+
+static enum bshell_status begin_processing(bshell_cmdlet *cmdlet)
+{
+	struct bshell_write_output_p *p
+		= fx_object_get_private(cmdlet, BSHELL_TYPE_WRITE_OUTPUT);
+	for (size_t i = 1;; i++) {
+		const fx_value *v = bshell_command_get_arg(cmdlet, i);
+		if (!v) {
+			break;
+		}
+
+		write_value(p, v);
+	}
+
+	return BSHELL_SUCCESS;
+}
+
+static enum bshell_status process_record(
+	bshell_cmdlet *cmdlet,
+	bshell_pipeline *pipeline,
+	struct bshell_runtime *rt)
+{
+	struct bshell_write_output_p *p
+		= fx_object_get_private(cmdlet, BSHELL_TYPE_WRITE_OUTPUT);
+
+	fx_value in = bshell_pipeline_read_value(pipeline);
+	if (fx_value_is_set(&in)) {
+		write_value(p, &in);
+		fx_value_unset(&in);
+	}
+
+	return BSHELL_SUCCESS;
+}
+
+static enum bshell_status end_processing(bshell_cmdlet *cmdlet)
+{
+	struct bshell_write_output_p *p
+		= fx_object_get_private(cmdlet, BSHELL_TYPE_WRITE_OUTPUT);
+
+	return BSHELL_SUCCESS;
+}
+
+static void init(fx_object *obj, void *priv)
+{
+}
+
+FX_TYPE_CLASS_BEGIN(bshell_write_output)
+	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(bshell_cmdlet, BSHELL_TYPE_CMDLET)
+		FX_INTERFACE_ENTRY(c_verb) = BSHELL_VERB_WRITE;
+		FX_INTERFACE_ENTRY(c_noun) = "Output";
+	FX_TYPE_VTABLE_INTERFACE_END(bshell_cmdlet, BSHELL_TYPE_CMDLET)
+
+	FX_TYPE_VTABLE_INTERFACE_BEGIN(bshell_command, BSHELL_TYPE_COMMAND)
+		FX_INTERFACE_ENTRY(c_begin_processing) = begin_processing;
+		FX_INTERFACE_ENTRY(c_process_record) = process_record;
+		FX_INTERFACE_ENTRY(c_end_processing) = end_processing;
+	FX_TYPE_VTABLE_INTERFACE_END(bshell_cmdlet, BSHELL_TYPE_CMDLET)
+FX_TYPE_CLASS_END(bshell_write_output)
+
+FX_TYPE_DEFINITION_BEGIN(bshell_write_output)
+	FX_TYPE_ID(0xf7f9c42d, 0xc053, 0x4ffc, 0xa8ec, 0x78fef4844ac0);
+	FX_TYPE_NAME("bshell.core.write_output");
+	FX_TYPE_EXTENDS(BSHELL_TYPE_CMDLET);
+	FX_TYPE_CLASS(bshell_write_output_class);
+	FX_TYPE_INSTANCE_INIT(init);
+	FX_TYPE_INSTANCE_PRIVATE(struct bshell_write_output_p);
+FX_TYPE_DEFINITION_END(bshell_write_output)