From 67ca9166d36375fd42725c16ca3933d4c91ebfee Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Wed, 21 Jun 2023 01:03:21 +0100
Subject: [PATCH] Allow named arguments variadic expansion `..`

---
 src/parser.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/parser.cpp b/src/parser.cpp
index 96b7c96ea..b756412ff 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -2752,9 +2752,9 @@ gb_internal Ast *parse_call_expr(AstFile *f, Ast *operand) {
 
 	open_paren = expect_token(f, Token_OpenParen);
 
+	bool seen_ellipsis = false;
 	while (f->curr_token.kind != Token_CloseParen &&
-	       f->curr_token.kind != Token_EOF &&
-	       ellipsis.pos.line == 0) {
+	       f->curr_token.kind != Token_EOF) {
 		if (f->curr_token.kind == Token_Comma) {
 			syntax_error(f->curr_token, "Expected an expression not ,");
 		} else if (f->curr_token.kind == Token_Eq) {
@@ -2777,9 +2777,15 @@ gb_internal Ast *parse_call_expr(AstFile *f, Ast *operand) {
 
 			Ast *value = parse_value(f);
 			arg = ast_field_value(f, arg, value, eq);
+		} else if (seen_ellipsis) {
+			syntax_error(arg, "Positional arguments are not allowed after '..'");
 		}
 		array_add(&args, arg);
 
+		if (ellipsis.pos.line != 0) {
+			seen_ellipsis = true;
+		}
+
 		if (!allow_field_separator(f)) {
 			break;
 		}