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/*
* Copyright (C) 2023 Johnny Richard
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#ifndef GAS_ASSEMBLY_GENERATOR_H
#define GAS_ASSEMBLY_GENERATOR_H
#include "ast.h"
#include "vector.h"
#include <stdio.h>
typedef enum evaluation_result_kind_t
{
EVALUATION_RESULT_VOID,
EVALUATION_RESULT_ON_RAX,
EVALUATION_RESULT_ON_STACK,
EVALUATION_RESULT_AS_LITERAL_INTEGER,
EVALUATION_RESULT_AS_LITERAL_BOOL
} evaluation_result_kind_t;
typedef union evaluation_result_data_t
{
int64_t literal_int;
bool literal_bool;
int stack_offset;
} evaluation_result_data_t;
typedef struct evaluation_result_t
{
evaluation_result_kind_t kind;
evaluation_result_data_t data;
} evaluation_result_t;
typedef struct gas_assembly_generator_t
{
FILE *stream;
vector_t *refs;
int stack_offset;
uint64_t cur_label_index;
evaluation_result_t latest_evaluation;
} gas_assembly_generator_t;
void
gas_assembly_generator_init(gas_assembly_generator_t *gen, FILE *stream);
void
gas_assembly_generator_compile(gas_assembly_generator_t *gen, ast_node_t *ast);
#endif /* GAS_ASSEMBLY_GENERATOR_H */
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