OLD | NEW |
1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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_VARIABLES_H_ | 5 #ifndef V8_AST_VARIABLES_H_ |
6 #define V8_AST_VARIABLES_H_ | 6 #define V8_AST_VARIABLES_H_ |
7 | 7 |
8 #include "src/ast/ast-value-factory.h" | 8 #include "src/ast/ast-value-factory.h" |
9 #include "src/zone.h" | 9 #include "src/zone.h" |
10 | 10 |
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
106 VariableLocation location() const { | 106 VariableLocation location() const { |
107 return LocationField::decode(bit_field_); | 107 return LocationField::decode(bit_field_); |
108 } | 108 } |
109 Kind kind() const { return KindField::decode(bit_field_); } | 109 Kind kind() const { return KindField::decode(bit_field_); } |
110 InitializationFlag initialization_flag() const { | 110 InitializationFlag initialization_flag() const { |
111 return InitializationFlagField::decode(bit_field_); | 111 return InitializationFlagField::decode(bit_field_); |
112 } | 112 } |
113 | 113 |
114 int index() const { return index_; } | 114 int index() const { return index_; } |
115 | 115 |
| 116 bool IsExport() const { |
| 117 DCHECK(location() == VariableLocation::MODULE); |
| 118 return index() == 0; |
| 119 } |
| 120 |
116 void AllocateTo(VariableLocation location, int index) { | 121 void AllocateTo(VariableLocation location, int index) { |
117 DCHECK(IsUnallocated() || | 122 DCHECK(IsUnallocated() || |
118 (this->location() == location && this->index() == index)); | 123 (this->location() == location && this->index() == index)); |
119 bit_field_ = LocationField::update(bit_field_, location); | 124 bit_field_ = LocationField::update(bit_field_, location); |
120 DCHECK_EQ(location, this->location()); | 125 DCHECK_EQ(location, this->location()); |
121 index_ = index; | 126 index_ = index; |
122 } | 127 } |
123 | 128 |
124 private: | 129 private: |
125 Scope* scope_; | 130 Scope* scope_; |
(...skipping 19 matching lines...) Expand all Loading... |
145 class InitializationFlagField | 150 class InitializationFlagField |
146 : public BitField16<InitializationFlag, IsUsedField::kNext, 2> {}; | 151 : public BitField16<InitializationFlag, IsUsedField::kNext, 2> {}; |
147 class MaybeAssignedFlagField | 152 class MaybeAssignedFlagField |
148 : public BitField16<MaybeAssignedFlag, InitializationFlagField::kNext, | 153 : public BitField16<MaybeAssignedFlag, InitializationFlagField::kNext, |
149 2> {}; | 154 2> {}; |
150 }; | 155 }; |
151 } // namespace internal | 156 } // namespace internal |
152 } // namespace v8 | 157 } // namespace v8 |
153 | 158 |
154 #endif // V8_AST_VARIABLES_H_ | 159 #endif // V8_AST_VARIABLES_H_ |
OLD | NEW |