#ifndef __SCC_FORMAT_BUILDER_H__
#define __SCC_FORMAT_BUILDER_H__

#include "sccf_utils.h"
#include <scc_utils.h>

typedef struct {
    sccf_t sccf;
    int aligned;
    sccf_strtab_t strtab;
    sccf_reloc_vec_t relocs;
    sccf_sym_vec_t symtab;
    scc_hashtable_t str2sym;
    scc_hashtable_t str2offset;
} sccf_builder_t;

void sccf_builder_init(sccf_builder_t *builder);

usize sccf_builder_add_symbol(sccf_builder_t *builder, const char *name,
                              sccf_sym_t *sym);
usize sccf_builder_get_symbol_idx(sccf_builder_t *builder, const char *name);
static inline sccf_sym_t *
sccf_builder_get_symbol_unsafe(sccf_builder_t *builder, usize idx) {
    return &scc_vec_at(builder->symtab, idx);
}
void sccf_builder_add_reloc(sccf_builder_t *builder, sccf_reloc_t reloc);

/**
 * @brief 必须确保参数合法
 *
 * @param builder
 * @param sect_header
 * @param sect_data
 */
void sccf_builder_add_section(sccf_builder_t *builder,
                              sccf_sect_header_t *sect_header,
                              sccf_sect_data_t *sect_data);

static inline void sccf_builder_add_text_section(sccf_builder_t *builder,
                                                 sccf_sect_data_t *sect_data) {
    sccf_sect_header_t text_header = {
        .name = ".text",
        .addralign = 1,
        .data_size = scc_vec_size(*sect_data),
        .sccf_sect_type = SCCF_SECT_CODE,
        .size = scc_vec_size(*sect_data),
        .info = 0,
        .reserved = {0},
    };
    sccf_builder_add_section(builder, &text_header, sect_data);
}
static inline void sccf_builder_add_data_section(sccf_builder_t *builder,
                                                 sccf_sect_data_t *sect_data) {
    sccf_sect_header_t text_header = {
        .name = ".data",
        .addralign = 1,
        .data_size = scc_vec_size(*sect_data),
        .sccf_sect_type = SCCF_SECT_DATA,
        .size = scc_vec_size(*sect_data),
        .info = 0,
        .reserved = {0},
    };
    sccf_builder_add_section(builder, &text_header, sect_data);
}

const sccf_t *sccf_builder_to_sccf(sccf_builder_t *builder);
void sccf_builder_to_buffer(sccf_builder_t *builder, sccf_buffer_t *buffer);
void sccf_builder_to_file(sccf_builder_t *builder, const char *file_path);

#endif /* __SCC_FORMAT_BUILDER_H__ */