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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_PREPARSER_H | 5 #ifndef V8_PREPARSER_H |
6 #define V8_PREPARSER_H | 6 #define V8_PREPARSER_H |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/bailout-reason.h" | 10 #include "src/bailout-reason.h" |
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886 ExpressionClassifier* classifier, bool* ok); | 886 ExpressionClassifier* classifier, bool* ok); |
887 ExpressionT ParseStrongSuperCallExpression(ExpressionClassifier* classifier, | 887 ExpressionT ParseStrongSuperCallExpression(ExpressionClassifier* classifier, |
888 bool* ok); | 888 bool* ok); |
889 | 889 |
890 void ParseFormalParameter(FormalParameterScopeT* scope, bool is_rest, | 890 void ParseFormalParameter(FormalParameterScopeT* scope, bool is_rest, |
891 ExpressionClassifier* classifier, bool* ok); | 891 ExpressionClassifier* classifier, bool* ok); |
892 int ParseFormalParameterList(FormalParameterScopeT* scope, bool* has_rest, | 892 int ParseFormalParameterList(FormalParameterScopeT* scope, bool* has_rest, |
893 ExpressionClassifier* classifier, bool* ok); | 893 ExpressionClassifier* classifier, bool* ok); |
894 void CheckArityRestrictions( | 894 void CheckArityRestrictions( |
895 int param_count, FunctionLiteral::ArityRestriction arity_restriction, | 895 int param_count, FunctionLiteral::ArityRestriction arity_restriction, |
896 int formals_start_pos, int formals_end_pos, bool* ok); | 896 bool has_rest, int formals_start_pos, int formals_end_pos, bool* ok); |
897 | 897 |
898 // Checks if the expression is a valid reference expression (e.g., on the | 898 // Checks if the expression is a valid reference expression (e.g., on the |
899 // left-hand side of assignments). Although ruled out by ECMA as early errors, | 899 // left-hand side of assignments). Although ruled out by ECMA as early errors, |
900 // we allow calls for web compatibility and rewrite them to a runtime throw. | 900 // we allow calls for web compatibility and rewrite them to a runtime throw. |
901 ExpressionT CheckAndRewriteReferenceExpression( | 901 ExpressionT CheckAndRewriteReferenceExpression( |
902 ExpressionT expression, Scanner::Location location, | 902 ExpressionT expression, Scanner::Location location, |
903 MessageTemplate::Template message, bool* ok); | 903 MessageTemplate::Template message, bool* ok); |
904 | 904 |
905 // Used to validate property names in object literals and class literals | 905 // Used to validate property names in object literals and class literals |
906 enum PropertyKind { | 906 enum PropertyKind { |
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3644 } | 3644 } |
3645 } | 3645 } |
3646 | 3646 |
3647 return parameter_count; | 3647 return parameter_count; |
3648 } | 3648 } |
3649 | 3649 |
3650 | 3650 |
3651 template <class Traits> | 3651 template <class Traits> |
3652 void ParserBase<Traits>::CheckArityRestrictions( | 3652 void ParserBase<Traits>::CheckArityRestrictions( |
3653 int param_count, FunctionLiteral::ArityRestriction arity_restriction, | 3653 int param_count, FunctionLiteral::ArityRestriction arity_restriction, |
3654 int formals_start_pos, int formals_end_pos, bool* ok) { | 3654 bool has_rest, int formals_start_pos, int formals_end_pos, bool* ok) { |
3655 switch (arity_restriction) { | 3655 switch (arity_restriction) { |
3656 case FunctionLiteral::GETTER_ARITY: | 3656 case FunctionLiteral::GETTER_ARITY: |
3657 if (param_count != 0) { | 3657 if (param_count != 0) { |
3658 ReportMessageAt(Scanner::Location(formals_start_pos, formals_end_pos), | 3658 ReportMessageAt(Scanner::Location(formals_start_pos, formals_end_pos), |
3659 MessageTemplate::kBadGetterArity); | 3659 MessageTemplate::kBadGetterArity); |
3660 *ok = false; | 3660 *ok = false; |
3661 } | 3661 } |
3662 break; | 3662 break; |
3663 case FunctionLiteral::SETTER_ARITY: | 3663 case FunctionLiteral::SETTER_ARITY: |
3664 if (param_count != 1) { | 3664 if (param_count != 1) { |
3665 ReportMessageAt(Scanner::Location(formals_start_pos, formals_end_pos), | 3665 ReportMessageAt(Scanner::Location(formals_start_pos, formals_end_pos), |
3666 MessageTemplate::kBadSetterArity); | 3666 MessageTemplate::kBadSetterArity); |
3667 *ok = false; | 3667 *ok = false; |
3668 } | 3668 } |
| 3669 if (has_rest) { |
| 3670 ReportMessageAt(Scanner::Location(formals_start_pos, formals_end_pos), |
| 3671 MessageTemplate::kBadSetterRestParameter); |
| 3672 *ok = false; |
| 3673 } |
3669 break; | 3674 break; |
3670 default: | 3675 default: |
3671 break; | 3676 break; |
3672 } | 3677 } |
3673 } | 3678 } |
3674 | 3679 |
3675 | 3680 |
3676 template <class Traits> | 3681 template <class Traits> |
3677 typename ParserBase<Traits>::ExpressionT | 3682 typename ParserBase<Traits>::ExpressionT |
3678 ParserBase<Traits>::ParseArrowFunctionLiteral( | 3683 ParserBase<Traits>::ParseArrowFunctionLiteral( |
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3955 *ok = false; | 3960 *ok = false; |
3956 return; | 3961 return; |
3957 } | 3962 } |
3958 has_seen_constructor_ = true; | 3963 has_seen_constructor_ = true; |
3959 return; | 3964 return; |
3960 } | 3965 } |
3961 } | 3966 } |
3962 } } // v8::internal | 3967 } } // v8::internal |
3963 | 3968 |
3964 #endif // V8_PREPARSER_H | 3969 #endif // V8_PREPARSER_H |
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