zzy
72ef3964ce
- 提取条件判断逻辑到独立函数 scc_pproc_parse_if_need_skip - 使用辅助函数 in_if, in_elif, in_else, in_endif 简化条件处理 - 添加宏 __SCC_PPROC_LOG_PNT 统一错误和警告处理逻辑 - 增加嵌套条件测试用例验证非活动状态下的正确行为
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/**
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* @file pprocessor.h
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* @brief C语言预处理器核心数据结构与接口
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*/
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#ifndef __SCC_PPROC_H__
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#define __SCC_PPROC_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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// 预处理器状态结构
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// 条件编译状态栈
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typedef struct {
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cbool found_true;
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cbool seen_else;
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cbool active;
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} scc_pproc_if_t;
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typedef SCC_VEC(scc_pproc_if_t) scc_pproc_if_stack_t;
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typedef struct {
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scc_sstream_t sstream;
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scc_lexer_t lexer;
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scc_lexer_tok_ring_t *ring;
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} scc_pproc_file_t;
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typedef SCC_VEC(scc_pproc_file_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 SCC_VEC(scc_cstring_t) scc_pproc_cstr_vec_t;
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typedef struct scc_pproc {
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scc_lexer_tok_ring_t *org_ring;
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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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int enable;
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scc_pproc_cstr_vec_t include_paths;
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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_ring_t ring;
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int ring_ref_count;
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struct {
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int max_include_depth;
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} config;
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} scc_pproc_t;
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void scc_pproc_init(scc_pproc_t *pp, scc_lexer_tok_ring_t *input);
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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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static inline void scc_pproc_add_include_path(scc_pproc_t *pp,
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const scc_cstring_t *path) {
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scc_vec_push(pp->include_paths, scc_cstring_copy(path));
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}
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static inline void scc_pproc_add_include_path_cstr(scc_pproc_t *pp,
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const char *path) {
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scc_vec_push(pp->include_paths, scc_cstring_from_cstr(path));
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}
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void scc_pproc_handle_directive(scc_pproc_t *pp);
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cbool scc_pproc_parse_if_need_skip(scc_pproc_t *pp, scc_tok_type_t type);
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cbool scc_pproc_parse_if_defined(scc_pproc_t *pp, scc_tok_type_t type,
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const scc_lexer_tok_t *tok);
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cbool scc_pproc_parse_if_condition(scc_pproc_t *pp, scc_tok_type_t type,
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scc_lexer_tok_ring_t *tok_ring);
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void scc_pproc_parse_include(scc_pproc_t *pp, scc_lexer_tok_t *include_tok,
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scc_lexer_tok_ring_t *tok_ring);
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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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const scc_lexer_tok_t *ident);
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#endif /* __SCC_PPROC_H__ */
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