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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_H_ | 5 #ifndef V8_PARSING_PARSER_H_ |
6 #define V8_PARSING_PARSER_H_ | 6 #define V8_PARSING_PARSER_H_ |
7 | 7 |
8 #include "src/allocation.h" | 8 #include "src/allocation.h" |
9 #include "src/ast/ast.h" | 9 #include "src/ast/ast.h" |
10 #include "src/ast/scopes.h" | 10 #include "src/ast/scopes.h" |
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468 ParseErrorType error_type = kSyntaxError); | 468 ParseErrorType error_type = kSyntaxError); |
469 void ReportMessage(MessageTemplate::Template message, const char* arg = NULL, | 469 void ReportMessage(MessageTemplate::Template message, const char* arg = NULL, |
470 ParseErrorType error_type = kSyntaxError); | 470 ParseErrorType error_type = kSyntaxError); |
471 void ReportMessage(MessageTemplate::Template message, const AstRawString* arg, | 471 void ReportMessage(MessageTemplate::Template message, const AstRawString* arg, |
472 ParseErrorType error_type = kSyntaxError); | 472 ParseErrorType error_type = kSyntaxError); |
473 void ReportMessageAt(Scanner::Location source_location, | 473 void ReportMessageAt(Scanner::Location source_location, |
474 MessageTemplate::Template message, | 474 MessageTemplate::Template message, |
475 const AstRawString* arg, | 475 const AstRawString* arg, |
476 ParseErrorType error_type = kSyntaxError); | 476 ParseErrorType error_type = kSyntaxError); |
477 | 477 |
478 // A dummy function, just useful as an argument to CHECK_OK_CUSTOM. | |
479 static void Void() {} | |
480 | |
481 // "null" return type creators. | 478 // "null" return type creators. |
482 static const AstRawString* EmptyIdentifier() { | 479 static const AstRawString* EmptyIdentifier() { |
483 return NULL; | 480 return NULL; |
484 } | 481 } |
485 static Expression* EmptyExpression() { | 482 static Expression* EmptyExpression() { |
486 return NULL; | 483 return NULL; |
487 } | 484 } |
488 static Literal* EmptyLiteral() { | 485 static Literal* EmptyLiteral() { |
489 return NULL; | 486 return NULL; |
490 } | 487 } |
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758 cached_parse_data_ != NULL; | 755 cached_parse_data_ != NULL; |
759 } | 756 } |
760 bool produce_cached_parse_data() const { | 757 bool produce_cached_parse_data() const { |
761 return compile_options_ == ScriptCompiler::kProduceParserCache; | 758 return compile_options_ == ScriptCompiler::kProduceParserCache; |
762 } | 759 } |
763 | 760 |
764 // All ParseXXX functions take as the last argument an *ok parameter | 761 // All ParseXXX functions take as the last argument an *ok parameter |
765 // which is set to false if parsing failed; it is unchanged otherwise. | 762 // which is set to false if parsing failed; it is unchanged otherwise. |
766 // By making the 'exception handling' explicit, we are forced to check | 763 // By making the 'exception handling' explicit, we are forced to check |
767 // for failure at the call sites. | 764 // for failure at the call sites. |
768 void* ParseStatementList(ZoneList<Statement*>* body, int end_token, bool* ok); | 765 void ParseStatementList(ZoneList<Statement*>* body, int end_token, bool* ok); |
769 Statement* ParseStatementListItem(bool* ok); | 766 Statement* ParseStatementListItem(bool* ok); |
770 void* ParseModuleItemList(ZoneList<Statement*>* body, bool* ok); | 767 void ParseModuleItemList(ZoneList<Statement*>* body, bool* ok); |
771 Statement* ParseModuleItem(bool* ok); | 768 Statement* ParseModuleItem(bool* ok); |
772 const AstRawString* ParseModuleSpecifier(bool* ok); | 769 const AstRawString* ParseModuleSpecifier(bool* ok); |
773 void* ParseImportDeclaration(bool* ok); | 770 void ParseImportDeclaration(bool* ok); |
774 Statement* ParseExportDeclaration(bool* ok); | 771 Statement* ParseExportDeclaration(bool* ok); |
775 Statement* ParseExportDefault(bool* ok); | 772 Statement* ParseExportDefault(bool* ok); |
776 void* ParseExportClause(ZoneList<const AstRawString*>* export_names, | 773 void ParseExportClause(ZoneList<const AstRawString*>* export_names, |
777 ZoneList<Scanner::Location>* export_locations, | 774 ZoneList<Scanner::Location>* export_locations, |
778 ZoneList<const AstRawString*>* local_names, | 775 ZoneList<const AstRawString*>* local_names, |
779 Scanner::Location* reserved_loc, bool* ok); | 776 Scanner::Location* reserved_loc, bool* ok); |
780 struct NamedImport : public ZoneObject { | 777 struct NamedImport : public ZoneObject { |
781 const AstRawString* import_name; | 778 const AstRawString* import_name; |
782 const AstRawString* local_name; | 779 const AstRawString* local_name; |
783 const Scanner::Location location; | 780 const Scanner::Location location; |
784 NamedImport(const AstRawString* import_name, const AstRawString* local_name, | 781 NamedImport(const AstRawString* import_name, const AstRawString* local_name, |
785 Scanner::Location location) | 782 Scanner::Location location) |
786 : import_name(import_name), | 783 : import_name(import_name), |
787 local_name(local_name), | 784 local_name(local_name), |
788 location(location) {} | 785 location(location) {} |
789 }; | 786 }; |
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1034 // Implement sloppy block-scoped functions, ES2015 Annex B 3.3 | 1031 // Implement sloppy block-scoped functions, ES2015 Annex B 3.3 |
1035 void InsertSloppyBlockFunctionVarBindings(Scope* scope, | 1032 void InsertSloppyBlockFunctionVarBindings(Scope* scope, |
1036 Scope* complex_params_scope, | 1033 Scope* complex_params_scope, |
1037 bool* ok); | 1034 bool* ok); |
1038 | 1035 |
1039 // Parser support | 1036 // Parser support |
1040 VariableProxy* NewUnresolved(const AstRawString* name, VariableMode mode); | 1037 VariableProxy* NewUnresolved(const AstRawString* name, VariableMode mode); |
1041 Variable* Declare(Declaration* declaration, | 1038 Variable* Declare(Declaration* declaration, |
1042 DeclarationDescriptor::Kind declaration_kind, bool resolve, | 1039 DeclarationDescriptor::Kind declaration_kind, bool resolve, |
1043 bool* ok, Scope* declaration_scope = nullptr); | 1040 bool* ok, Scope* declaration_scope = nullptr); |
1044 void* DeclareImport(const AstRawString* local_name, int pos, bool* ok); | 1041 void DeclareImport(const AstRawString* local_name, int pos, bool* ok); |
1045 | 1042 |
1046 bool TargetStackContainsLabel(const AstRawString* label); | 1043 bool TargetStackContainsLabel(const AstRawString* label); |
1047 BreakableStatement* LookupBreakTarget(const AstRawString* label, bool* ok); | 1044 BreakableStatement* LookupBreakTarget(const AstRawString* label, bool* ok); |
1048 IterationStatement* LookupContinueTarget(const AstRawString* label, bool* ok); | 1045 IterationStatement* LookupContinueTarget(const AstRawString* label, bool* ok); |
1049 | 1046 |
1050 Statement* BuildAssertIsCoercible(Variable* var); | 1047 Statement* BuildAssertIsCoercible(Variable* var); |
1051 | 1048 |
1052 // Factory methods. | 1049 // Factory methods. |
1053 FunctionLiteral* DefaultConstructor(const AstRawString* name, bool call_super, | 1050 FunctionLiteral* DefaultConstructor(const AstRawString* name, bool call_super, |
1054 Scope* scope, int pos, int end_pos, | 1051 Scope* scope, int pos, int end_pos, |
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1315 | 1312 |
1316 DoExpression* ParserTraits::ParseDoExpression(bool* ok) { | 1313 DoExpression* ParserTraits::ParseDoExpression(bool* ok) { |
1317 return parser_->ParseDoExpression(ok); | 1314 return parser_->ParseDoExpression(ok); |
1318 } | 1315 } |
1319 | 1316 |
1320 | 1317 |
1321 } // namespace internal | 1318 } // namespace internal |
1322 } // namespace v8 | 1319 } // namespace v8 |
1323 | 1320 |
1324 #endif // V8_PARSING_PARSER_H_ | 1321 #endif // V8_PARSING_PARSER_H_ |
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