zzy
ffb23afaf4
添加了对未知长度数组的自动长度推导功能，支持字符串字面量和复合 初始化的数组长度计算。新增辅助函数resolve_array_length用于计算 数组实际长度，以及emit_array_initialization用于生成数组初始化 代码。 同时将AST转IR过程中的参数改为const引用，提高代码安全性。 新增IR构建器的借用检查机制，防止在借用期间进行重分配操作。 fix(ast): 为AST结构体添加详细注释说明字段用途
83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
#ifndef __SCC_FORMAT_BUILDER_H__
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#define __SCC_FORMAT_BUILDER_H__
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#include "sccf_utils.h"
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#include <scc_utils.h>
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typedef struct {
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sccf_t sccf;
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int aligned;
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const char *entry_symbol_name;
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sccf_strtab_t strtab;
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sccf_reloc_vec_t relocs;
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sccf_sym_vec_t symtab;
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scc_hashtable_t str2sym;
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scc_hashtable_t str2offset;
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} sccf_builder_t;
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void sccf_builder_init(sccf_builder_t *builder);
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usize sccf_builder_add_symbol(sccf_builder_t *builder, const char *name,
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sccf_sym_t *sym);
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usize sccf_builder_get_symbol_idx(sccf_builder_t *builder, const char *name);
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static inline void sccf_builder_set_entry_symbol_name(sccf_builder_t *builder,
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const char *name) {
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builder->entry_symbol_name = name ? name : "_scc_entry";
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}
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static inline sccf_sym_t *
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sccf_builder_get_symbol_unsafe(sccf_builder_t *builder, const char *name) {
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usize idx = sccf_builder_get_symbol_idx(builder, name);
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if (idx == 0) {
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return nullptr;
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}
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return &scc_vec_at(builder->symtab, idx);
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}
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void sccf_builder_add_reloc(sccf_builder_t *builder, sccf_reloc_t reloc);
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/**
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* @brief 必须确保参数合法
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*
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* @param builder
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* @param sect_header
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* @param sect_data
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*/
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void sccf_builder_add_section(sccf_builder_t *builder,
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sccf_sect_header_t *sect_header,
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sccf_sect_data_t *sect_data);
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static inline void sccf_builder_add_text_section(sccf_builder_t *builder,
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sccf_sect_data_t *sect_data) {
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sccf_sect_header_t text_header = {
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.name = ".text",
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.addralign = 1,
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.data_size = scc_vec_size(*sect_data),
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.sccf_sect_type = SCCF_SECT_CODE,
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.size = scc_vec_size(*sect_data),
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.info = 0,
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.reserved = {0},
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};
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sccf_builder_add_section(builder, &text_header, sect_data);
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}
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static inline void sccf_builder_add_data_section(sccf_builder_t *builder,
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sccf_sect_data_t *sect_data) {
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sccf_sect_header_t text_header = {
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.name = ".data",
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.addralign = 1,
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.data_size = scc_vec_size(*sect_data),
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.sccf_sect_type = SCCF_SECT_DATA,
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.size = scc_vec_size(*sect_data),
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.info = 0,
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.reserved = {0},
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};
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sccf_builder_add_section(builder, &text_header, sect_data);
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}
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const sccf_t *sccf_builder_to_sccf(sccf_builder_t *builder);
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void sccf_builder_to_buffer(sccf_builder_t *builder, sccf_buffer_t *buffer);
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void sccf_builder_to_file(sccf_builder_t *builder, const char *file_path);
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#endif /* __SCC_FORMAT_BUILDER_H__ */
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