stage1 支持更多语法 修复更多问题 暂时stage1功能结束

nob.c

@@ -272,6 +272,21 @@ static bool test_once_with_dump(const char *fname, void *user_data) {
     return nob_cmd_run(&cmd);
 }
 
+static bool is_stage_name(const char *s) {
+    return strcmp(s, "stage1") == 0 || strcmp(s, "stage2") == 0 || strcmp(s, "diff") == 0;
+}
+
+static bool is_dump_mode(const char *s) {
+    return strcmp(s, "lex") == 0 || strcmp(s, "ast") == 0 || strcmp(s, "sema") == 0 ||
+           strcmp(s, "ir") == 0 || strcmp(s, "vm") == 0;
+}
+
+static const char *stage_dir_of(const char *stage) {
+    if (strcmp(stage, "stage2") == 0)
+        return "./stage2/";
+    return "./tests/stage1/";
+}
+
 typedef bool (*test_fn_t)(const char *fname, void *user_data);
 static bool run_test(Nob_Files *files, test_fn_t test_once, void *user_data) {
     const char *test_folder = "./tests/stage1/";