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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_PARSING_PARSER_BASE_H | 5 #ifndef V8_PARSING_PARSER_BASE_H |
6 #define V8_PARSING_PARSER_BASE_H | 6 #define V8_PARSING_PARSER_BASE_H |
7 | 7 |
8 #include "src/ast/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/ast/scopes.h" | 9 #include "src/ast/scopes.h" |
10 #include "src/bailout-reason.h" | 10 #include "src/bailout-reason.h" |
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862 } | 862 } |
863 return false; | 863 return false; |
864 } | 864 } |
865 | 865 |
866 bool PeekInOrOf() { | 866 bool PeekInOrOf() { |
867 return peek() == Token::IN || PeekContextualKeyword(CStrVector("of")); | 867 return peek() == Token::IN || PeekContextualKeyword(CStrVector("of")); |
868 } | 868 } |
869 | 869 |
870 // Checks whether an octal literal was last seen between beg_pos and end_pos. | 870 // Checks whether an octal literal was last seen between beg_pos and end_pos. |
871 // If so, reports an error. Only called for strict mode and template strings. | 871 // If so, reports an error. Only called for strict mode and template strings. |
872 void CheckOctalLiteral(int beg_pos, int end_pos, | 872 void CheckOctalLiteral(int beg_pos, int end_pos, bool is_template, bool* ok) { |
873 MessageTemplate::Template message, bool* ok) { | |
874 Scanner::Location octal = scanner()->octal_position(); | 873 Scanner::Location octal = scanner()->octal_position(); |
875 if (octal.IsValid() && beg_pos <= octal.beg_pos && | 874 if (octal.IsValid() && beg_pos <= octal.beg_pos && |
876 octal.end_pos <= end_pos) { | 875 octal.end_pos <= end_pos) { |
| 876 MessageTemplate::Template message = |
| 877 is_template ? MessageTemplate::kTemplateOctalLiteral |
| 878 : scanner()->octal_message(); |
| 879 DCHECK_NE(message, MessageTemplate::kNone); |
877 impl()->ReportMessageAt(octal, message); | 880 impl()->ReportMessageAt(octal, message); |
878 scanner()->clear_octal_position(); | 881 scanner()->clear_octal_position(); |
879 *ok = false; | 882 *ok = false; |
880 } | 883 } |
881 } | 884 } |
882 // for now, this check just collects statistics. | 885 // for now, this check just collects statistics. |
883 void CheckDecimalLiteralWithLeadingZero(int beg_pos, int end_pos) { | 886 void CheckDecimalLiteralWithLeadingZero(int beg_pos, int end_pos) { |
884 Scanner::Location token_location = | 887 Scanner::Location token_location = |
885 scanner()->decimal_with_leading_zero_position(); | 888 scanner()->decimal_with_leading_zero_position(); |
886 if (token_location.IsValid() && beg_pos <= token_location.beg_pos && | 889 if (token_location.IsValid() && beg_pos <= token_location.beg_pos && |
887 token_location.end_pos <= end_pos) { | 890 token_location.end_pos <= end_pos) { |
888 scanner()->clear_decimal_with_leading_zero_position(); | 891 scanner()->clear_decimal_with_leading_zero_position(); |
889 impl()->CountUsage(v8::Isolate::kDecimalWithLeadingZeroInStrictMode); | 892 impl()->CountUsage(v8::Isolate::kDecimalWithLeadingZeroInStrictMode); |
890 } | 893 } |
891 } | 894 } |
892 | 895 |
893 inline void CheckStrictOctalLiteral(int beg_pos, int end_pos, bool* ok) { | 896 inline void CheckStrictOctalLiteral(int beg_pos, int end_pos, bool* ok) { |
894 CheckOctalLiteral(beg_pos, end_pos, MessageTemplate::kStrictOctalLiteral, | 897 CheckOctalLiteral(beg_pos, end_pos, false, ok); |
895 ok); | |
896 } | 898 } |
897 | 899 |
898 inline void CheckTemplateOctalLiteral(int beg_pos, int end_pos, bool* ok) { | 900 inline void CheckTemplateOctalLiteral(int beg_pos, int end_pos, bool* ok) { |
899 CheckOctalLiteral(beg_pos, end_pos, MessageTemplate::kTemplateOctalLiteral, | 901 CheckOctalLiteral(beg_pos, end_pos, true, ok); |
900 ok); | |
901 } | 902 } |
902 | 903 |
903 void CheckDestructuringElement(ExpressionT element, int beg_pos, int end_pos); | 904 void CheckDestructuringElement(ExpressionT element, int beg_pos, int end_pos); |
904 | 905 |
905 // Checking the name of a function literal. This has to be done after parsing | 906 // Checking the name of a function literal. This has to be done after parsing |
906 // the function, since the function can declare itself strict. | 907 // the function, since the function can declare itself strict. |
907 void CheckFunctionName(LanguageMode language_mode, IdentifierT function_name, | 908 void CheckFunctionName(LanguageMode language_mode, IdentifierT function_name, |
908 FunctionNameValidity function_name_validity, | 909 FunctionNameValidity function_name_validity, |
909 const Scanner::Location& function_name_loc, bool* ok) { | 910 const Scanner::Location& function_name_loc, bool* ok) { |
910 if (function_name_validity == kSkipFunctionNameCheck) return; | 911 if (function_name_validity == kSkipFunctionNameCheck) return; |
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5495 has_seen_constructor_ = true; | 5496 has_seen_constructor_ = true; |
5496 return; | 5497 return; |
5497 } | 5498 } |
5498 } | 5499 } |
5499 | 5500 |
5500 | 5501 |
5501 } // namespace internal | 5502 } // namespace internal |
5502 } // namespace v8 | 5503 } // namespace v8 |
5503 | 5504 |
5504 #endif // V8_PARSING_PARSER_BASE_H | 5505 #endif // V8_PARSING_PARSER_BASE_H |
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