fix(compiler): tag error messages showed wrong function names; corrected to has_tag/get_tag

releasenotes.md

@@ -10,6 +10,7 @@
 - `$$atomic_store` and `$$atomic_load` takes an alignment parameter.
 - `$vaarg[^1]` is supported. #3276
 - Improve error message when a keyword is used a block parameter. #3275
+- Correct tag method error messages from `tagof`/`has_tagof` to `get_tag` and `has_tag` 
 
 ### Stdlib changes
 - Add math::TAU / math::TWO_PI

src/compiler/sema_expr.c

@@ -3721,7 +3721,7 @@ static inline bool sema_expr_analyse_typecall(SemaContext *context, Expr *expr)
 	Expr **args = expr->call_expr.arguments;
 	unsigned arg_count = vec_size(args);
 	bool is_has = tag->type_call_expr.property == TYPE_PROPERTY_HAS_TAG;
-	const char *name = is_has ? "has_tagof" : "tagof";
+	const char *name = is_has ? "has_tag" : "get_tag";
 	if (arg_count != 1) RETURN_SEMA_ERROR(expr, "Expected a single string argument to '%s'.", name);
 	Expr *key = args[0];
 	if (!sema_analyse_expr_rvalue(context, key)) return false;
@@ -6494,7 +6494,7 @@ static bool sema_expr_rewrite_to_type_property(SemaContext *context, Expr *expr,
 		case TYPE_PROPERTY_GET_TAG:
 			if (!type_is_user_defined(type))
 			{
-				RETURN_SEMA_ERROR(expr, "'tagof' is not defined for builtin types like %s.", type_quoted_error_string(type));
+				RETURN_SEMA_ERROR(expr, "'get_tag' is not defined for builtin types like %s.", type_quoted_error_string(type));
 			}
 			FALLTHROUGH;
 		case TYPE_PROPERTY_HAS_TAG:

test/test_suite/compile_time_introspection/tag_methods.c3t

@@ -0,0 +1,10 @@
+struct MyStruct { int a @tag("a", 0); }
+fn void main(String[] args) {
+	$foreach $member : MyStruct::members:
+		$member.has_tag("a", "a"); // #error: Expected a single string argument to 'has_tag'.
+		$member.get_tag("a", "a"); // #error: Expected a single string argument to 'get_tag'.
+	$endforeach
+}
+fn void test_builtin() {
+	int::get_tag("key"); // #error: 'get_tag' is not defined for builtin types like 'int'.
+}