feat(pproc): 实现宏展开功能并重构宏定义接口
- 新增 pproc_expand.h 头文件,定义宏展开相关的数据结构和函数接口 - 重命名宏相关类型和函数,将 scc_pp_* 前缀统一改为 scc_pproc_* - 修改宏参数解析逻辑,支持更灵活的参数处理方式 - 实现完整的宏展开功能,包括对象宏和函数宏的展开 - 添加字符串化操作符 (#) 的支持 - 改进预处理器主循环逻辑,优化宏展开流程 - 更新单元测试用例,增加对宏参数解析和字符串化的测试
This commit is contained in:
26
libs/pproc/include/pproc_expand.h
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26
libs/pproc/include/pproc_expand.h
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@@ -0,0 +1,26 @@
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#ifndef __SCC_PPROC_EXPAND_H__
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#define __SCC_PPROC_EXPAND_H__
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#include <pproc_macro.h>
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#include <scc_core.h>
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#include <scc_core_ring.h>
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#include <scc_lexer.h>
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typedef struct {
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scc_pproc_macro_table_t *macro_table;
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scc_lexer_tok_ring_t *input;
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scc_lexer_tok_vec_t output;
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scc_pproc_macro_table_t expanded_set;
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int need_rescan;
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} scc_pproc_expand_t;
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static inline scc_lexer_tok_ring_t
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scc_lexer_array_to_ring(scc_lexer_tok_vec_t *array) {
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scc_lexer_tok_ring_t ret;
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scc_ring_by_buffer(ret, array->data, array->size);
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return ret;
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}
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void scc_pproc_expand_macro(scc_pproc_expand_t *expand_ctx);
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#endif /* __SCC_PPROC_EXPAND_H__ */
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@@ -10,21 +10,20 @@ typedef enum {
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SCC_PP_MACRO_NONE, // 不是宏
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SCC_PP_MACRO_OBJECT, // 对象宏
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SCC_PP_MACRO_FUNCTION, // 函数宏
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} scc_pp_macro_type_t;
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typedef scc_lexer_tok_vec_t scc_pproc_macro_list_t;
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} scc_pproc_macro_type_t;
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typedef SCC_VEC(scc_lexer_tok_vec_t) scc_pproc_macro_extened_params_t;
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// 宏定义结构
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typedef struct scc_macro {
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scc_cstring_t name; // 宏名称
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scc_pp_macro_type_t type; // 宏类型
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scc_lexer_tok_vec_t replaces; // 替换列表
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scc_pproc_macro_list_t params; // 参数列表(仅函数宏)
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} scc_pp_macro_t;
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scc_cstring_t name; // 宏名称
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scc_pproc_macro_type_t type; // 宏类型
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scc_lexer_tok_vec_t replaces; // 替换列表
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scc_lexer_tok_vec_t params; // 参数列表(仅函数宏)
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} scc_pproc_macro_t;
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typedef struct scc_macro_table {
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scc_hashtable_t table; // 宏定义表
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} scc_pp_macro_table_t;
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} scc_pproc_macro_table_t;
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/**
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* @brief 创建宏对象
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@@ -32,14 +31,14 @@ typedef struct scc_macro_table {
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* @param type 宏类型
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* @return 创建的宏对象指针,失败返回NULL
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*/
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scc_pp_macro_t *scc_pp_macro_new(const scc_cstring_t *name,
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scc_pp_macro_type_t type);
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scc_pproc_macro_t *scc_pproc_macro_new(const scc_cstring_t *name,
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scc_pproc_macro_type_t type);
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/**
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* @brief 销毁宏对象
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* @param macro 要销毁的宏对象
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*/
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void scc_pp_macro_drop(scc_pp_macro_t *macro);
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void scc_pproc_macro_drop(scc_pproc_macro_t *macro);
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/**
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* @brief 添加对象宏
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@@ -48,9 +47,9 @@ void scc_pp_macro_drop(scc_pp_macro_t *macro);
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* @param replacement 替换文本列表
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* @return 成功返回true,失败返回false
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*/
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cbool scc_pp_add_object_macro(scc_pp_macro_table_t *pp,
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const scc_cstring_t *name,
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const scc_pproc_macro_list_t *replacement);
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cbool scc_pproc_add_object_macro(scc_pproc_macro_table_t *pp,
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const scc_cstring_t *name,
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const scc_lexer_tok_vec_t *replacement);
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/**
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* @brief 添加函数宏
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@@ -60,19 +59,19 @@ cbool scc_pp_add_object_macro(scc_pp_macro_table_t *pp,
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* @param replacement 替换文本列表
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* @return 成功返回true,失败返回false
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*/
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cbool scc_pp_add_function_macro(scc_pp_macro_table_t *pp,
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const scc_cstring_t *name,
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const scc_pproc_macro_list_t *params,
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const scc_pproc_macro_list_t *replacement);
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cbool scc_pproc_add_function_macro(scc_pproc_macro_table_t *pp,
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const scc_cstring_t *name,
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const scc_lexer_tok_vec_t *params,
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const scc_lexer_tok_vec_t *replacement);
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/**
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* @brief
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*
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* @param pp
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* @param macro
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* @return scc_pp_macro_t*
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* @return scc_pproc_macro_t*
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*/
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scc_pp_macro_t *scc_pp_macro_table_set(scc_pp_macro_table_t *pp,
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scc_pp_macro_t *macro);
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scc_pproc_macro_t *scc_pproc_macro_table_set(scc_pproc_macro_table_t *pp,
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scc_pproc_macro_t *macro);
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/**
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* @brief 查找宏定义
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@@ -80,8 +79,8 @@ scc_pp_macro_t *scc_pp_macro_table_set(scc_pp_macro_table_t *pp,
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* @param name 宏名称
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* @return 找到的宏对象指针,未找到返回NULL
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*/
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scc_pp_macro_t *scc_pp_macro_table_get(scc_pp_macro_table_t *pp,
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const scc_cstring_t *name);
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scc_pproc_macro_t *scc_pproc_macro_table_get(scc_pproc_macro_table_t *pp,
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const scc_cstring_t *name);
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/**
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* @brief 从预处理器中删除宏
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@@ -89,9 +88,10 @@ scc_pp_macro_t *scc_pp_macro_table_get(scc_pp_macro_table_t *pp,
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* @param name 宏名称
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* @return 成功删除返回true,未找到返回false
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*/
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cbool scc_pp_macro_table_remove(scc_pp_macro_table_t *pp,
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const scc_cstring_t *name);
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cbool scc_pproc_macro_table_remove(scc_pproc_macro_table_t *pp,
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const scc_cstring_t *name);
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void scc_pproc_marco_table_init(scc_pproc_macro_table_t *macros);
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void scc_pproc_macro_table_drop(scc_pproc_macro_table_t *macros);
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void scc_pp_marco_table_init(scc_pp_macro_table_t *macros);
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void scc_pp_macro_table_drop(scc_pp_macro_table_t *macros);
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#endif /* __SCC_PP_MACRO_H__ */
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@@ -28,18 +28,18 @@ typedef struct {
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// 可能还需要保存当前位置等
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} scc_pproc_file_state_t;
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typedef SCC_VEC(scc_pproc_file_state_t) scc_pproc_file_stack_t;
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typedef SCC_VEC(scc_lexer_tok_ring_t *) scc_pproc_ring_vec_t;
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typedef struct scc_pproc {
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scc_lexer_tok_ring_t *cur_ring;
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scc_lexer_tok_ring_t expanded_ring;
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scc_strpool_t strpool;
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int at_line_start;
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scc_pp_macro_table_t macro_table;
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scc_pproc_macro_table_t macro_table;
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scc_pproc_if_stack_t if_stack;
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scc_pproc_file_stack_t file_stack;
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scc_lexer_tok_vec_t cache;
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int cache_pos;
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scc_lexer_tok_ring_t ring;
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int ring_ref_count;
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} scc_pproc_t;
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@@ -49,10 +49,9 @@ scc_lexer_tok_ring_t *scc_pproc_to_ring(scc_pproc_t *pp, int ring_size);
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void scc_pproc_drop(scc_pproc_t *pp);
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void scc_pproc_handle_directive(scc_pproc_t *pp);
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void scc_pproc_expand_macro(scc_pproc_t *pp, const scc_pp_macro_t *macro);
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void scc_pproc_parse_macro_arguments(scc_pproc_t *pp,
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scc_pproc_macro_list_t *args);
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void scc_pproc_expand_by_src(scc_pproc_t *pp, const scc_pproc_macro_t *macro);
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void scc_pproc_parse_macro_arguments(scc_lexer_tok_ring_t *ring,
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scc_lexer_tok_vec_t *args, int need_full);
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void scc_pproc_parse_function_macro(scc_pproc_t *pp,
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const scc_lexer_tok_t *ident);
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void scc_pproc_parse_object_macro(scc_pproc_t *pp,
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