From 312cdf18d56f4a7e19845c12afc3c678ce155f56 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emmanuel=20Beno=C3=AEt?= <tseeker@nocternity.net>
Date: Mon, 2 Jan 2023 15:18:02 +0100
Subject: [PATCH] Parser - Maximum argument count for functions
---
src/parser.rs | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/parser.rs b/src/parser.rs
index 7212e5b..7d2a8e3 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -567,6 +567,12 @@ impl Parser {
let mut arguments = Vec::new();
if !self.check(&TokenType::RightParen) {
loop {
+ if arguments.len() == 255 {
+ return Err(ParserError::new(
+ self.peek(),
+ "functions may not have more than 255 arguments",
+ ));
+ }
arguments.push(self.parse_expression()?);
if self.expect(&[TokenType::Comma]).is_some() {
break;