enforce leading comptime params

2026-07-12 19:48:36 +02:00
parent 2dea7711f2
commit c914083102
4 changed files with 52 additions and 0 deletions
@@ -2060,7 +2060,21 @@ validate_declarations :: proc(checker: ^Checker) {
 		has_comptime := function_has_comptime_params(function)
 		locals: [dynamic]symbol.Id
 		locals.allocator = checker.allocator
+		seen_runtime_param := false
+		comptime_order_reported := false
 		for param in function.params {
+			if param.comptime_value {
+				if seen_runtime_param && !comptime_order_reported {
+					checker.template_diagnostics[function_id] = source.add(
+						checker.diagnostics,
+						param.span,
+						"comptime parameters must form a leading parameter prefix",
+					)
+					comptime_order_reported = true
+				}
+			} else {
+				seen_runtime_param = true
+			}
 			param_type := types.INVALID
 			if param.comptime_value || !has_comptime {
 				param_type = type_from_syntax(checker, param.type, function.pkg, function.file)