cleanup and implementation of builtin functions

src/interpreter.h

@@ -5,74 +5,24 @@
 #include "../submodules/utilitiec/src/Scratchpad/Scratchpad.h"
 
 #include "tokenizer.h"
+#include "callframe.h"
+#include "value.h"
 #include <stdint.h>
 
-typedef struct FlupFunctionAlternative_s {
-	size_t condition_token_start;
-	size_t condition_token_end;
-	size_t body_token_start;
-	size_t body_token_end;
-	struct FlupFunctionAlternative_s* next;
-} FlupFunctionAlternative;
+typedef struct Interpreter_s Interpreter;
 
-typedef struct ParameterDefinition_s {
-	StringView type;
-	StringView name;
-	struct ParameterDefinition_s* next;
-} ParameterDefinition;
+typedef int (*BuiltinFunction)(CallFrame *);
 
-typedef struct FlupFunction_s {
-	StringView name;
-	ParameterDefinition* parameters;
-	StringView return_type;
-	FlupFunctionAlternative* alternatives;
-	struct FlupFunction_s* next;
-} FlupFunction;
+struct Interpreter_s {
+	const char** builtin_names;
+	const BuiltinFunction* builtin_functions;
 
-enum ValueType {
-	VALUETYPE_INT64,
-	VALUETYPE_DOUBLE,
-	VALUETYPE_BOOLEAN,
-};
-
-union ValueContent {
-	int64_t i64;
-	double  f64;
-	bool    boolean;
-};
-
-typedef struct Value_s {
-	enum ValueType type;
-	union ValueContent get;
-} Value;
-
-typedef struct FlupVariable_s {
-	StringView name;
-	Value value;
-	struct FlupVariable_s* next;
-} FlupVariable;
-
-typedef struct CallFrame_s {
-	size_t instruction_pointer;
-	/* ip = condition start : start
-	 * ip = condition_end + 1 : done
-	 *
-	 */
-	FlupFunction* self_function;
-	FlupFunctionAlternative* alternative;
-	FlupFunction* functions; // functions defined in this callframe
-	FlupVariable* variables; // variables defined in this callframe
-	DynamicArray stack; // Value
-	Scratchpad memory_pad;
-} CallFrame;
-
-typedef struct Interpreter_s {
 	DynamicArray* tokens;
 	DynamicArray call_frames; // stores CallFrame
-} Interpreter;
+};
 
 int Interpreter_Create(Interpreter* self, DynamicArray* tokens);
 int Interpreter_Interpret(Interpreter* self);
 void Interpreter_Destroy(Interpreter* self);
 
-#endif //header guard
+#endif //FLUP_INTERPRETER_H