#ifndef __SCC_LIR_BUILDER_H__
#define __SCC_LIR_BUILDER_H__

#include "scc_lir.h"
#include "scc_lir_module.h"
#include <scc_hashtable.h>

typedef struct scc_lir_builder {
    scc_lir_func_t *func;
    scc_lir_bblock_t *cur_bb;
    scc_hashtable_t value_to_vreg; // 高层 IR 值 -> 虚拟寄存器
    scc_lir_module_t *module;
} scc_lir_builder_t;

void scc_lir_builder_init(scc_lir_builder_t *builder, scc_lir_module_t *module);
void scc_lir_builder_drop(scc_lir_builder_t *builder);
void scc_lir_builder_begin_func(scc_lir_builder_t *builder, const char *name);
void scc_lir_builder_end_func(scc_lir_builder_t *builder);
void scc_lir_builder_begin_bblock(scc_lir_builder_t *builder,
                                  const char *label);
void scc_lir_builder_end_bblock(scc_lir_builder_t *builder);
void scc_lir_builder_add_instr(scc_lir_builder_t *builder,
                               const scc_lir_instr_t *instr);
unsigned int scc_lir_builder_new_vreg(scc_lir_builder_t *builder);

#endif /* __SCC_LIR_BUILDER_H__ */