From 5e1b01f35ca68a09de1bc3d5b577fe84342d773d Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 13 Sep 2025 22:56:03 +0900
Subject: feat: allow array size to be omitted

---
 src/parse.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/parse.c b/src/parse.c
index 82c431a..cc0648a 100644
--- a/src/parse.c
+++ b/src/parse.c
@@ -1008,8 +1008,11 @@ static int eval(AstNode* e);
 static Type* parse_array_declarator_suffix(Parser* p, Type* ty) {
     next_token(p); // skip '['
 
-    AstNode* size_expr = parse_assignment_expr(p);
-    int size = eval(size_expr);
+    int size = -1;
+    if (peek_token(p)->kind != TokenKind_bracket_r) {
+        AstNode* size_expr = parse_assignment_expr(p);
+        size = eval(size_expr);
+    }
     expect(p, TokenKind_bracket_r);
 
     return type_new_array(ty, size);
-- 
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