移除了旧的lexer_stream.c实现,引入新的环形缓冲区机制来替代原有的 动态数组缓冲区。更新了词法分析器的核心数据结构,修改了token获取 相关函数的实现以支持新的缓冲区管理方式。 BREAKING CHANGE: 移除了scc_lexer_stream_t相关的API,替换为基于 环形缓冲区的新接口scc_lexer_to_ring和相关函数。 feat(lexer_token): 添加词法分析结果内存泄漏警告注释 docs: 移除预处理器模块的测试文件和相关配置
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#include "scc_sstream.h"
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#include <stdio.h>
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int main(int argc, char **argv) {
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const char *filename = (argc > 1) ? argv[1] : __FILE__; // 默认读取自身
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scc_sstream_t stream;
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scc_sstream_ring_t *ring;
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// 初始化
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if (scc_sstream_init(&stream, filename, 16) != 0) {
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fprintf(stderr, "Failed to initialize stream for %s\n", filename);
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return 1;
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}
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ring = scc_sstream_ref_ring(&stream);
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Assert(ring != null);
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printf("Reading file: %s\n", filename);
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scc_sstream_char_t elem;
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cbool ok;
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int char_count = 0;
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int line_count = 0;
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// 循环读取所有字符
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while (1) {
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scc_ring_next_consume(*ring, elem, ok);
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if (!ok)
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break; // 文件结束或错误
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char_count++;
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if (elem.character == '\n')
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line_count++;
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// 打印前 200 个字符的位置信息(避免刷屏)
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if (char_count <= 200) {
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printf("char[%d]: '%c' (line %zu, col %zu)\n", char_count,
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elem.character == '\n' ? ' '
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: elem.character, // 换行符显示为空格
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elem.pos.line, elem.pos.col);
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}
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}
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printf("\nSummary:\n");
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printf(" Total characters: %d\n", char_count);
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printf(" Total lines: %d\n", line_count);
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// 释放资源
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scc_sstream_drop_ring(ring);
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scc_sstream_drop(&stream);
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return 0;
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}
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