Index: src/preparser.cc |
diff --git a/src/preparser.cc b/src/preparser.cc |
index a02305ffd206bb0a0b5097e9961685cd52c7d5b2..5db11dd34d75d3578a2e78c3113baab357d3e46f 100644 |
--- a/src/preparser.cc |
+++ b/src/preparser.cc |
@@ -908,11 +908,6 @@ PreParser::Expression PreParser::ParseFunctionLiteral( |
PreParserFactory factory(NULL); |
FunctionState function_state(&function_state_, &scope_, function_scope, kind, |
&factory); |
- // FormalParameterList :: |
- // '(' (Identifier)*[','] ')' |
- Expect(Token::LPAREN, CHECK_OK); |
- int start_position = position(); |
- DuplicateFinder duplicate_finder(scanner()->unicode_cache()); |
// We don't yet know if the function will be strict, so we cannot yet produce |
// errors for parameter names or duplicates. However, we remember the |
// locations of these errors if they occur and produce the errors later. |
@@ -924,46 +919,17 @@ PreParser::Expression PreParser::ParseFunctionLiteral( |
Scanner::Location undefined_loc = Scanner::Location::invalid(); |
bool is_rest = false; |
- bool done = arity_restriction == FunctionLiteral::GETTER_ARITY || |
- (peek() == Token::RPAREN && |
- arity_restriction != FunctionLiteral::SETTER_ARITY); |
- while (!done) { |
- bool is_strict_reserved = false; |
- is_rest = peek() == Token::ELLIPSIS && allow_harmony_rest_params(); |
- if (is_rest) { |
- Consume(Token::ELLIPSIS); |
- } |
- |
- Identifier param_name = |
- ParseIdentifierOrStrictReservedWord(&is_strict_reserved, CHECK_OK); |
- if (!eval_args_loc.IsValid() && param_name.IsEvalOrArguments()) { |
- eval_args_loc = scanner()->location(); |
- } |
- if (!undefined_loc.IsValid() && param_name.IsUndefined()) { |
- undefined_loc = scanner()->location(); |
- } |
- if (!reserved_loc.IsValid() && is_strict_reserved) { |
- reserved_loc = scanner()->location(); |
- } |
- |
- int prev_value = scanner()->FindSymbol(&duplicate_finder, 1); |
- |
- if (!dupe_loc.IsValid() && prev_value != 0) { |
- dupe_loc = scanner()->location(); |
- } |
- |
- if (arity_restriction == FunctionLiteral::SETTER_ARITY) break; |
- done = (peek() == Token::RPAREN); |
- if (!done) { |
- if (is_rest) { |
- ReportMessageAt(scanner()->peek_location(), "param_after_rest"); |
- *ok = false; |
- return Expression::Default(); |
- } |
- Expect(Token::COMMA, CHECK_OK); |
- } |
- } |
+ Expect(Token::LPAREN, CHECK_OK); |
+ int start_position = scanner()->location().beg_pos; |
+ PreParserFormalParameterList params = |
+ ParseFormalParameterList(&eval_args_loc, &undefined_loc, &dupe_loc, |
+ &reserved_loc, &is_rest, CHECK_OK); |
Expect(Token::RPAREN, CHECK_OK); |
+ int formals_end_position = scanner()->location().end_pos; |
+ |
+ CheckArityRestrictions(params->length(), arity_restriction, start_position, |
+ formals_end_position, ok); |
+ if (!*ok) return Expression::Default(); |
// See Parser::ParseFunctionLiteral for more information about lazy parsing |
// and lazy compilation. |