/*
 * This code is part of the programming language flup
 * flup comes with ABSOLUTELY NO WARRANTY and is licensed under AGPL-3.0 or later.
 *    Copyright (C) 2024  VegOwOtenks
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
#ifndef FLUP_CALLFRAME_H
#define FLUP_CALLFRAME_H

#include "function.h"
#include "variable.h"
#include "value.h"
#include "../submodules/utilitiec/src/dynamicarray/dynamicarray.h"
#include "../submodules/utilitiec/src/StringView/StringView.h"
#include "../submodules/utilitiec/src/Scratchpad/Scratchpad.h"

typedef struct FlupType_s {
	ObjectType* type;
	struct FlupType_s* next;
} FlupType;

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
	FlupType*     types; // types defined in this callframe
	DynamicArray stack; // Value
	Scratchpad memory_pad;
} CallFrame;

int CallFrame_Create(CallFrame* self, FlupFunction* self_function);
void CallFrame_Destroy(CallFrame* self);

int CallFrame_DefineVariable(CallFrame* self, StringView name, Value value);
int CallFrame_DefineObjectType(CallFrame* self, ObjectType* type);
int CallFrame_StackPop(CallFrame* self, Value* dest);
int CallFrame_StackPush(CallFrame* self, Value* value);
FlupVariable* CallFrame_FindVariable(CallFrame* self, StringView name);
void* CallFrame_Reserve(CallFrame* self, size_t amount, size_t alignment);
bool CallFrame_IsExecutingCondition(CallFrame* frame);
bool CallFrame_IsSelectingCondition(CallFrame* frame);
bool CallFrame_IsExecutingBody(CallFrame* frame);
bool CallFrame_IsReturningBody(CallFrame* frame);



#endif