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Issue 1315823002: Parse arrow functions at proper precedence level (Closed) Base URL: https://chromium.googlesource.com/v8/v8@master
Patch Set: Fix nits Created 5 years, 4 months ago
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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_AST_H_ 5 #ifndef V8_AST_H_
6 #define V8_AST_H_ 6 #define V8_AST_H_
7 7
8 #include "src/assembler.h" 8 #include "src/assembler.h"
9 #include "src/ast-value-factory.h" 9 #include "src/ast-value-factory.h"
10 #include "src/bailout-reason.h" 10 #include "src/bailout-reason.h"
(...skipping 70 matching lines...) Expand 10 before | Expand all | Expand 10 after
81 V(CallNew) \ 81 V(CallNew) \
82 V(CallRuntime) \ 82 V(CallRuntime) \
83 V(UnaryOperation) \ 83 V(UnaryOperation) \
84 V(CountOperation) \ 84 V(CountOperation) \
85 V(BinaryOperation) \ 85 V(BinaryOperation) \
86 V(CompareOperation) \ 86 V(CompareOperation) \
87 V(Spread) \ 87 V(Spread) \
88 V(ThisFunction) \ 88 V(ThisFunction) \
89 V(SuperPropertyReference) \ 89 V(SuperPropertyReference) \
90 V(SuperCallReference) \ 90 V(SuperCallReference) \
91 V(CaseClause) 91 V(CaseClause) \
92 V(EmptyParentheses)
92 93
93 #define AST_NODE_LIST(V) \ 94 #define AST_NODE_LIST(V) \
94 DECLARATION_NODE_LIST(V) \ 95 DECLARATION_NODE_LIST(V) \
95 STATEMENT_NODE_LIST(V) \ 96 STATEMENT_NODE_LIST(V) \
96 EXPRESSION_NODE_LIST(V) 97 EXPRESSION_NODE_LIST(V)
97 98
98 // Forward declarations 99 // Forward declarations
99 class AstNodeFactory; 100 class AstNodeFactory;
100 class AstVisitor; 101 class AstVisitor;
101 class Declaration; 102 class Declaration;
(...skipping 2739 matching lines...) Expand 10 before | Expand all | Expand 10 after
2841 DCHECK(this_function_var->raw_name()->IsOneByteEqualTo(".this_function")); 2842 DCHECK(this_function_var->raw_name()->IsOneByteEqualTo(".this_function"));
2842 } 2843 }
2843 2844
2844 private: 2845 private:
2845 VariableProxy* this_var_; 2846 VariableProxy* this_var_;
2846 VariableProxy* new_target_var_; 2847 VariableProxy* new_target_var_;
2847 VariableProxy* this_function_var_; 2848 VariableProxy* this_function_var_;
2848 }; 2849 };
2849 2850
2850 2851
2852 // This class is produced when parsing the () in arrow functions without any
2853 // arguments and is not actually a valid expression.
2854 class EmptyParentheses final : public Expression {
2855 public:
2856 DECLARE_NODE_TYPE(EmptyParentheses)
2857
2858 private:
2859 EmptyParentheses(Zone* zone, int pos) : Expression(zone, pos) {}
2860 };
2861
2862
2851 #undef DECLARE_NODE_TYPE 2863 #undef DECLARE_NODE_TYPE
2852 2864
2853 2865
2854 // ---------------------------------------------------------------------------- 2866 // ----------------------------------------------------------------------------
2855 // Regular expressions 2867 // Regular expressions
2856 2868
2857 2869
2858 class RegExpVisitor BASE_EMBEDDED { 2870 class RegExpVisitor BASE_EMBEDDED {
2859 public: 2871 public:
2860 virtual ~RegExpVisitor() { } 2872 virtual ~RegExpVisitor() { }
(...skipping 765 matching lines...) Expand 10 before | Expand all | Expand 10 after
3626 } 3638 }
3627 3639
3628 SuperCallReference* NewSuperCallReference(VariableProxy* this_var, 3640 SuperCallReference* NewSuperCallReference(VariableProxy* this_var,
3629 VariableProxy* new_target_var, 3641 VariableProxy* new_target_var,
3630 VariableProxy* this_function_var, 3642 VariableProxy* this_function_var,
3631 int pos) { 3643 int pos) {
3632 return new (zone_) SuperCallReference(zone_, this_var, new_target_var, 3644 return new (zone_) SuperCallReference(zone_, this_var, new_target_var,
3633 this_function_var, pos); 3645 this_function_var, pos);
3634 } 3646 }
3635 3647
3648 EmptyParentheses* NewEmptyParentheses(int pos) {
3649 return new (zone_) EmptyParentheses(zone_, pos);
3650 }
3651
3636 private: 3652 private:
3637 Zone* zone_; 3653 Zone* zone_;
3638 AstValueFactory* ast_value_factory_; 3654 AstValueFactory* ast_value_factory_;
3639 }; 3655 };
3640 3656
3641 3657
3642 } } // namespace v8::internal 3658 } } // namespace v8::internal
3643 3659
3644 #endif // V8_AST_H_ 3660 #endif // V8_AST_H_
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