Expand C tokens and parser expression support

meta.c

@@ -86,4 +86,12 @@ int main() {
         }
     }
     printf("};\n");
+
+    printf("char *token_to_name[] = {\n");
+    for (int i = 0; i < ilen(kinds); i += 1) {
+        if (kinds[i].name) {
+            printf("    [TOK_%s] = \"%s\",\n", kinds[i].name, kinds[i].name);
+        }
+    }
+    printf("};\n");
 }