zzy
871d031ceb
新增词法解析器库 `smcc_lex_parser`，包含基础的词法规则解析功能： - 支持字符、字符串、数字、标识符的解析 - 支持跳过注释、空白符、行尾等辅助函数 - 提供对应的单元测试用例，覆盖各类合法与非法输入情况 该模块依赖 `libcore`，并被 `smcc_lex` 模块引用以支持更上层的词法分析逻辑。
49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
// test_skip_line.c
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#include <lex_parser.h>
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#include <utest/acutest.h>
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void check_skip_line(const char *str, const char *expect_remaining) {
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log_set_level(&__default_logger_root, 0);
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core_pos_t pos = core_pos_init();
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core_mem_stream_t mem_stream;
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core_stream_t *stream =
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core_mem_stream_init(&mem_stream, str, smcc_strlen(str), false);
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lex_parse_skip_line(stream, &pos);
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// Check remaining content
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char buffer[256] = {0};
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int i = 0;
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int ch;
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while ((ch = core_stream_next_char(stream)) != core_stream_eof && i < 255) {
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buffer[i++] = (char)ch;
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}
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if (expect_remaining) {
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TEST_CHECK(strcmp(buffer, expect_remaining) == 0);
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}
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}
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void test_simple_line_comment(void) {
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TEST_CASE("simple line comments");
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check_skip_line("// comment\n", "");
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check_skip_line("// comment\nint x;", "int x;");
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}
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void test_crlf_line_comment(void) {
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TEST_CASE("CRLF line comments");
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check_skip_line("// comment\r\n", "");
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check_skip_line("// comment\r\nint x;", "int x;");
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}
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void test_eof_line_comment(void) {
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TEST_CASE("EOF line comments");
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check_skip_line("// comment", "");
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}
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TEST_LIST = {
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{"test_simple_line_comment", test_simple_line_comment},
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{"test_crlf_line_comment", test_crlf_line_comment},
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{"test_eof_line_comment", test_eof_line_comment},
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{NULL, NULL},
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}; |