Move ParseYieldExpression to ParserBase.

src/preparser.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 124 matching lines @@
     bool is_generator,
     int function_token_position,
     FunctionLiteral::FunctionType type,
     bool* ok) {
   return pre_parser_->ParseFunctionLiteral(
       name, function_name_location, name_is_strict_reserved, is_generator,
       function_token_position, type, ok);
 }
 
 
-PreParserExpression PreParserTraits::ParseYieldExpression(bool* ok) {
-  return pre_parser_->ParseYieldExpression(ok);
-}
-
-
 PreParserExpression PreParserTraits::ParseConditionalExpression(bool accept_IN,
                                                                 bool* ok) {
   return pre_parser_->ParseConditionalExpression(accept_IN, ok);
 }
 
 
 PreParser::PreParseResult PreParser::PreParseLazyFunction(
     StrictMode strict_mode, bool is_generator, ParserRecorder* log) {
   log_ = log;
   // Lazy functions always have trivial outer scopes (no with/catch scopes).
@@ skipping 678 matching lines @@
 
 #undef CHECK_OK
 #define CHECK_OK  ok);                     \
   if (!*ok) return Expression::Default();  \
   ((void)0
 #define DUMMY )  // to make indentation work
 #undef DUMMY
 
 
 // Precedence = 3
-PreParser::Expression PreParser::ParseYieldExpression(bool* ok) {
-  // YieldExpression ::
-  //   'yield' '*'? AssignmentExpression
-  Consume(Token::YIELD);
-  Check(Token::MUL);
-
-  ParseAssignmentExpression(false, CHECK_OK);
-
-  return Expression::Default();
-}
-
-
-// Precedence = 3
 PreParser::Expression PreParser::ParseConditionalExpression(bool accept_IN,
                                                             bool* ok) {
   // ConditionalExpression ::
   //   LogicalOrExpression
   //   LogicalOrExpression '?' AssignmentExpression ':' AssignmentExpression
 
   // We start using the binary expression parser for prec >= 4 only!
   Expression expression = ParseBinaryExpression(4, accept_IN, CHECK_OK);
   if (peek() != Token::CONDITIONAL) return expression;
   Consume(Token::CONDITIONAL);
@@ skipping 368 matching lines @@
   int identifier_pos = position();
   if (scanner()->is_literal_one_byte()) {
     log_->LogAsciiSymbol(identifier_pos, scanner()->literal_one_byte_string());
   } else {
     log_->LogUtf16Symbol(identifier_pos, scanner()->literal_utf16_string());
   }
 }
 
 
 } }  // v8::internal