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。
55 lines
2.2 KiB
C
55 lines
2.2 KiB
C
// test_identifier.c
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#include <lex_parser.h>
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#include <utest/acutest.h>
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cbool check_identifier(const char *str, const char *expect, cstring_t *output) {
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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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cbool ret = lex_parse_identifier(stream, &pos, output);
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if (ret && expect) {
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return strcmp(output->data, expect) == 0;
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}
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return ret;
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}
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#define CHECK_IDENTIFIER_VALID(str, expect) \
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do { \
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cstring_t _output = cstring_new(); \
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cbool ret = check_identifier(str, expect, &_output); \
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TEST_CHECK(ret == true); \
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TEST_CHECK(strcmp(_output.data, expect) == 0); \
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cstring_free(&_output); \
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} while (0)
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#define CHECK_IDENTIFIER_INVALID(str) \
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do { \
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cstring_t _output = cstring_new(); \
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cbool ret = check_identifier(str, NULL, &_output); \
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TEST_CHECK(ret == false); \
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cstring_free(&_output); \
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} while (0)
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void test_valid_identifier(void) {
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TEST_CASE("valid identifiers");
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CHECK_IDENTIFIER_VALID("variable", "variable");
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CHECK_IDENTIFIER_VALID("my_var", "my_var");
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CHECK_IDENTIFIER_VALID("_private", "_private");
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CHECK_IDENTIFIER_VALID("Var123", "Var123");
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CHECK_IDENTIFIER_VALID("a", "a");
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}
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void test_invalid_identifier(void) {
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TEST_CASE("invalid identifiers");
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CHECK_IDENTIFIER_INVALID("");
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CHECK_IDENTIFIER_INVALID("123var");
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}
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TEST_LIST = {
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{"test_valid_identifier", test_valid_identifier},
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{"test_invalid_identifier", test_invalid_identifier},
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{NULL, NULL},
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}; |