fx.reflection: implement dynamic function calling

2026-05-04 16:33:16 +01:00
parent 85ff8b7eaa
commit bf7d8cfb75
7 changed files with 854 additions and 0 deletions
@@ -0,0 +1,83 @@
+#ifndef FX_REFLECTION_FUNCTION_H_
+#define FX_REFLECTION_FUNCTION_H_
+
+#include <fx/macros.h>
+#include <fx/status.h>
+#include <fx/value.h>
+
+FX_DECLS_BEGIN;
+
+#define FX_REFLECTION_TYPE_FUNCTION         (fx_function_get_type())
+#define FX_REFLECTION_TYPE_FUNCTION_CONTEXT (fx_function_context_get_type())
+
+typedef enum fx_function_flags {
+	FX_FUNCTION_F_NONE = 0x00u,
+	FX_FUNCTION_F_STATIC = 0x01u,
+	FX_FUNCTION_F_VIRTUAL = 0x02u,
+	FX_FUNCTION_F_VARARG = 0x04u,
+} fx_function_flags;
+
+#if 0
+#define FX_FUNCTION_VALUE(type)                                                \
+	((fx_function_value) {                                                 \
+		.v_type = FX_FUNCTION_V_PRIMITIVE,                             \
+		.v_primitive = (type),                                         \
+	})
+
+typedef enum fx_function_value_type {
+	FX_FUNCTION_V_NONE = 0,
+	FX_FUNCTION_V_PRIMITIVE,
+	FX_FUNCTION_V_OBJECT,
+} fx_function_value_type;
+
+typedef struct fx_function_value {
+	fx_function_value_type v_type;
+	union {
+		fx_value_type v_primitive;
+		fx_type v_object;
+	};
+} fx_function_value;
+#endif
+
+typedef void (*fx_function_impl)();
+
+FX_DECLARE_TYPE(fx_function);
+FX_DECLARE_TYPE(fx_function_context);
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_function)
+FX_TYPE_CLASS_DECLARATION_END(fx_function)
+
+FX_TYPE_CLASS_DECLARATION_BEGIN(fx_function_context)
+FX_TYPE_CLASS_DECLARATION_END(fx_function_context)
+
+FX_API fx_type fx_function_get_type();
+FX_API fx_type fx_function_context_get_type();
+
+FX_API fx_function_context *fx_function_context_create(void);
+FX_API void fx_function_context_reset(fx_function_context *ctx);
+FX_API void fx_function_context_push_arg(
+	fx_function_context *ctx,
+	const fx_value *value);
+
+FX_API fx_function *fx_function_create(
+	const char *name,
+	fx_function_flags flags,
+	fx_function_impl impl,
+	const fx_value_type *args,
+	size_t nr_args,
+	fx_value_type return_type);
+FX_API fx_status
+fx_function_bind(const fx_function *func, const fx_value *args, size_t nr_args);
+FX_API fx_status fx_function_invoke(
+	const fx_function *func,
+	const fx_value *args,
+	size_t nr_args,
+	fx_value *return_value);
+FX_API fx_status fx_function_invoke_with_context(
+	const fx_function *func,
+	const fx_function_context *ctx,
+	fx_value *return_value);
+
+FX_DECLS_END;
+
+#endif