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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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139 bool is_generator, | 139 bool is_generator, |
140 int function_token_position, | 140 int function_token_position, |
141 FunctionLiteral::FunctionType type, | 141 FunctionLiteral::FunctionType type, |
142 bool* ok) { | 142 bool* ok) { |
143 return pre_parser_->ParseFunctionLiteral( | 143 return pre_parser_->ParseFunctionLiteral( |
144 name, function_name_location, name_is_strict_reserved, is_generator, | 144 name, function_name_location, name_is_strict_reserved, is_generator, |
145 function_token_position, type, ok); | 145 function_token_position, type, ok); |
146 } | 146 } |
147 | 147 |
148 | 148 |
149 PreParserExpression PreParserTraits::ParseLeftHandSideExpression(bool* ok) { | 149 PreParserExpression PreParserTraits::ParseMemberWithNewPrefixesExpression( |
150 return pre_parser_->ParseLeftHandSideExpression(ok); | 150 bool* ok) { |
| 151 return pre_parser_->ParseMemberWithNewPrefixesExpression(ok); |
151 } | 152 } |
152 | 153 |
153 | 154 |
154 PreParser::PreParseResult PreParser::PreParseLazyFunction( | 155 PreParser::PreParseResult PreParser::PreParseLazyFunction( |
155 StrictMode strict_mode, bool is_generator, ParserRecorder* log) { | 156 StrictMode strict_mode, bool is_generator, ParserRecorder* log) { |
156 log_ = log; | 157 log_ = log; |
157 // Lazy functions always have trivial outer scopes (no with/catch scopes). | 158 // Lazy functions always have trivial outer scopes (no with/catch scopes). |
158 PreParserScope top_scope(scope_, GLOBAL_SCOPE); | 159 PreParserScope top_scope(scope_, GLOBAL_SCOPE); |
159 FunctionState top_state(&function_state_, &scope_, &top_scope); | 160 FunctionState top_state(&function_state_, &scope_, &top_scope); |
160 scope_->SetStrictMode(strict_mode); | 161 scope_->SetStrictMode(strict_mode); |
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835 | 836 |
836 | 837 |
837 #undef CHECK_OK | 838 #undef CHECK_OK |
838 #define CHECK_OK ok); \ | 839 #define CHECK_OK ok); \ |
839 if (!*ok) return Expression::Default(); \ | 840 if (!*ok) return Expression::Default(); \ |
840 ((void)0 | 841 ((void)0 |
841 #define DUMMY ) // to make indentation work | 842 #define DUMMY ) // to make indentation work |
842 #undef DUMMY | 843 #undef DUMMY |
843 | 844 |
844 | 845 |
845 PreParser::Expression PreParser::ParseLeftHandSideExpression(bool* ok) { | |
846 // LeftHandSideExpression :: | |
847 // (NewExpression | MemberExpression) ... | |
848 | |
849 Expression result = ParseMemberWithNewPrefixesExpression(CHECK_OK); | |
850 | |
851 while (true) { | |
852 switch (peek()) { | |
853 case Token::LBRACK: { | |
854 Consume(Token::LBRACK); | |
855 ParseExpression(true, CHECK_OK); | |
856 Expect(Token::RBRACK, CHECK_OK); | |
857 if (result.IsThis()) { | |
858 result = Expression::ThisProperty(); | |
859 } else { | |
860 result = Expression::Property(); | |
861 } | |
862 break; | |
863 } | |
864 | |
865 case Token::LPAREN: { | |
866 ParseArguments(CHECK_OK); | |
867 result = Expression::Default(); | |
868 break; | |
869 } | |
870 | |
871 case Token::PERIOD: { | |
872 Consume(Token::PERIOD); | |
873 ParseIdentifierName(CHECK_OK); | |
874 if (result.IsThis()) { | |
875 result = Expression::ThisProperty(); | |
876 } else { | |
877 result = Expression::Property(); | |
878 } | |
879 break; | |
880 } | |
881 | |
882 default: | |
883 return result; | |
884 } | |
885 } | |
886 } | |
887 | |
888 | |
889 PreParser::Expression PreParser::ParseMemberWithNewPrefixesExpression( | 846 PreParser::Expression PreParser::ParseMemberWithNewPrefixesExpression( |
890 bool* ok) { | 847 bool* ok) { |
891 // NewExpression :: | 848 // NewExpression :: |
892 // ('new')+ MemberExpression | 849 // ('new')+ MemberExpression |
893 | 850 |
894 // See Parser::ParseNewExpression. | 851 // See Parser::ParseNewExpression. |
895 | 852 |
896 if (peek() == Token::NEW) { | 853 if (peek() == Token::NEW) { |
897 Consume(Token::NEW); | 854 Consume(Token::NEW); |
898 ParseMemberWithNewPrefixesExpression(CHECK_OK); | 855 ParseMemberWithNewPrefixesExpression(CHECK_OK); |
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1132 | 1089 |
1133 | 1090 |
1134 void PreParser::LogSymbol() { | 1091 void PreParser::LogSymbol() { |
1135 if (log_->ShouldLogSymbols()) { | 1092 if (log_->ShouldLogSymbols()) { |
1136 scanner()->LogSymbol(log_, position()); | 1093 scanner()->LogSymbol(log_, position()); |
1137 } | 1094 } |
1138 } | 1095 } |
1139 | 1096 |
1140 | 1097 |
1141 } } // v8::internal | 1098 } } // v8::internal |
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