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LibJS: Disallow comma after rest parameter in formal parameters

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davidot 2021-09-27 22:29:49 +02:00 • committed by Linus Groh
parent 7081fb4eb0
commit 9cb5700398
1 changed files with 1 additions and 3 deletions
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4
Userland/Libraries/LibJS/Parser.cpp
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@ -1990,11 +1990,9 @@ Vector<FunctionNode::Parameter> Parser::parse_formal_parameters(int& function_le
syntax_error("Generator function parameter initializer cannot contain a reference to an identifier named \"yield\""); syntax_error("Generator function parameter initializer cannot contain a reference to an identifier named \"yield\"");
} }
parameters.append({ move(parameter), default_value, is_rest }); parameters.append({ move(parameter), default_value, is_rest });
if (match(TokenType::ParenClose)) if (match(TokenType::ParenClose) || is_rest)
break; break;
consume(TokenType::Comma); consume(TokenType::Comma);
if (is_rest)
break;
} }
if (parse_options & FunctionNodeParseOptions::IsSetterFunction && parameters.is_empty()) if (parse_options & FunctionNodeParseOptions::IsSetterFunction && parameters.is_empty())
syntax_error("Setter function must have one argument"); syntax_error("Setter function must have one argument");