refactor(lex_parser): 移除旧的词法解析器实现并更新依赖
移除了 libs/lex_parser 目录下的所有头文件和源文件,包括: - lex_parser.h 和 lex_parser.c 核心解析功能 - 所有测试文件(test_char.c, test_identifier.c, test_number.c, test_skip_block_comment.c, test_skip_line.c, test_string.c) 更新了 lexer 模块的依赖配置,将 lex_parser 替换为 sstream, 同时更新了 lexer.h 中的相关包含头文件和数据结构定义, 简化了 scc_lexer_t 结构体的字段。
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33
libs/sstream/include/scc_sstream.h
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33
libs/sstream/include/scc_sstream.h
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#ifndef __SCC_SSTREAM_H__
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#define __SCC_SSTREAM_H__
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#include "scc_pos.h"
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#include <scc_core.h>
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#include <scc_core_ring.h>
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typedef struct {
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scc_pos_t pos;
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int character;
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} scc_sstream_char_t;
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typedef SCC_RING(scc_sstream_char_t) scc_sstream_ring_t;
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typedef struct {
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const char *fname;
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scc_pos_t pos; // 当前消费位置 (可选,可由 ring 推导)
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int used; // 是否仍然在使用
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int owned_src; // 是否拥有src内存 即是否需要释放
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const char *src; // 文件内容缓冲区 (由 sstream 管理)
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usize len; // 缓冲区长度
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scc_pos_t fill_pos; // 内部填充位置
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scc_sstream_ring_t ring;
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} scc_sstream_t;
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int scc_sstream_init(scc_sstream_t *stream, const char *fname, int ring_size);
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int scc_sstream_init_by_buffer(scc_sstream_t *stream, const char *buffer,
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usize len, int owned, int ring_size);
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scc_sstream_ring_t *scc_sstream_ref_ring(scc_sstream_t *stream);
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void scc_sstream_drop_ring(scc_sstream_ring_t *ring);
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void scc_sstream_drop(scc_sstream_t *stream);
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#endif /* __SCC_SSTREAM_H__ */
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