/*
 * Copyright (C) 2025 Johnny Richard <johnny@johnnyrichard.com>
 *
 * SPDX-License-Identifier: LGPL-3.0-or-later
 *
 * This file is part of obe.
 *
 * obe is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * obe 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with obe. If not, see <https://www.gnu.org/licenses/>.
 */
#ifndef OBE_IR_H
#define OBE_IR_H

#include <obe/arena.h>
#include <obe/string.h>

typedef enum obe_ir_inst_kind
{
    OBE_IR_INST_CONST,
    OBE_IR_INST_PRINT,
    OBE_IR_INST_RETURN,
    OBE_IR_INST_BR,
    OBE_IR_INST_JMP,
    OBE_IR_INST_LABEL,
} obe_ir_inst_kind_t;

typedef enum obe_ir_type
{
    OBE_IR_TYPE_INT
} obe_ir_type_t;

typedef enum obe_ir_operand_kind
{
    OBE_IR_OPERAND_LITERAL,
    OBE_IR_OPERAND_IDENT
} obe_ir_operand_kind_t;

typedef struct obe_ir_operand
{
    obe_ir_operand_kind_t kind;
    char *value;
} obe_ir_operand_t;

typedef struct obe_ir_inst
{
    obe_ir_inst_kind_t kind;
    obe_ir_type_t type;
    char* dest;
    obe_ir_operand_t operand1;
    obe_ir_operand_t operand2;
} obe_ir_inst_t;

typedef struct obe_ir_function
{
    obe_string_t name;
    obe_ir_inst_t* instrs;
} obe_ir_function_t;

typedef struct obe_ir_translation_unit
{
    obe_ir_function_t* funcs;
} obe_ir_translation_unit_t;

obe_ir_translation_unit_t*
obe_ir_translation_unit_new(obe_arena_t* arena);

obe_ir_function_t*
obe_ir_function_new(obe_arena_t* arena, obe_string_t name);

#endif /* OBE_IR_H */