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| 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_VARIABLES_H_ | 5 #ifndef V8_VARIABLES_H_ |
| 6 #define V8_VARIABLES_H_ | 6 #define V8_VARIABLES_H_ |
| 7 | 7 |
| 8 #include "src/ast-value-factory.h" | 8 #include "src/ast-value-factory.h" |
| 9 #include "src/interface.h" | 9 #include "src/interface.h" |
| 10 #include "src/zone.h" | 10 #include "src/zone.h" |
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| 68 // scope is only used to follow the context chain length. | 68 // scope is only used to follow the context chain length. |
| 69 Scope* scope() const { return scope_; } | 69 Scope* scope() const { return scope_; } |
| 70 | 70 |
| 71 Handle<String> name() const { return name_->string(); } | 71 Handle<String> name() const { return name_->string(); } |
| 72 const AstRawString* raw_name() const { return name_; } | 72 const AstRawString* raw_name() const { return name_; } |
| 73 VariableMode mode() const { return mode_; } | 73 VariableMode mode() const { return mode_; } |
| 74 bool has_forced_context_allocation() const { | 74 bool has_forced_context_allocation() const { |
| 75 return force_context_allocation_; | 75 return force_context_allocation_; |
| 76 } | 76 } |
| 77 void ForceContextAllocation() { | 77 void ForceContextAllocation() { |
| 78 ASSERT(mode_ != TEMPORARY); | 78 DCHECK(mode_ != TEMPORARY); |
| 79 force_context_allocation_ = true; | 79 force_context_allocation_ = true; |
| 80 } | 80 } |
| 81 bool is_used() { return is_used_; } | 81 bool is_used() { return is_used_; } |
| 82 void set_is_used() { is_used_ = true; } | 82 void set_is_used() { is_used_ = true; } |
| 83 MaybeAssignedFlag maybe_assigned() const { return maybe_assigned_; } | 83 MaybeAssignedFlag maybe_assigned() const { return maybe_assigned_; } |
| 84 void set_maybe_assigned() { maybe_assigned_ = kMaybeAssigned; } | 84 void set_maybe_assigned() { maybe_assigned_ = kMaybeAssigned; } |
| 85 | 85 |
| 86 int initializer_position() { return initializer_position_; } | 86 int initializer_position() { return initializer_position_; } |
| 87 void set_initializer_position(int pos) { initializer_position_ = pos; } | 87 void set_initializer_position(int pos) { initializer_position_ = pos; } |
| 88 | 88 |
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| 106 | 106 |
| 107 bool is_this() const { return kind_ == THIS; } | 107 bool is_this() const { return kind_ == THIS; } |
| 108 bool is_arguments() const { return kind_ == ARGUMENTS; } | 108 bool is_arguments() const { return kind_ == ARGUMENTS; } |
| 109 | 109 |
| 110 // True if the variable is named eval and not known to be shadowed. | 110 // True if the variable is named eval and not known to be shadowed. |
| 111 bool is_possibly_eval(Isolate* isolate) const { | 111 bool is_possibly_eval(Isolate* isolate) const { |
| 112 return IsVariable(isolate->factory()->eval_string()); | 112 return IsVariable(isolate->factory()->eval_string()); |
| 113 } | 113 } |
| 114 | 114 |
| 115 Variable* local_if_not_shadowed() const { | 115 Variable* local_if_not_shadowed() const { |
| 116 ASSERT(mode_ == DYNAMIC_LOCAL && local_if_not_shadowed_ != NULL); | 116 DCHECK(mode_ == DYNAMIC_LOCAL && local_if_not_shadowed_ != NULL); |
| 117 return local_if_not_shadowed_; | 117 return local_if_not_shadowed_; |
| 118 } | 118 } |
| 119 | 119 |
| 120 void set_local_if_not_shadowed(Variable* local) { | 120 void set_local_if_not_shadowed(Variable* local) { |
| 121 local_if_not_shadowed_ = local; | 121 local_if_not_shadowed_ = local; |
| 122 } | 122 } |
| 123 | 123 |
| 124 Location location() const { return location_; } | 124 Location location() const { return location_; } |
| 125 int index() const { return index_; } | 125 int index() const { return index_; } |
| 126 InitializationFlag initialization_flag() const { | 126 InitializationFlag initialization_flag() const { |
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| 160 MaybeAssignedFlag maybe_assigned_; | 160 MaybeAssignedFlag maybe_assigned_; |
| 161 | 161 |
| 162 // Module type info. | 162 // Module type info. |
| 163 Interface* interface_; | 163 Interface* interface_; |
| 164 }; | 164 }; |
| 165 | 165 |
| 166 | 166 |
| 167 } } // namespace v8::internal | 167 } } // namespace v8::internal |
| 168 | 168 |
| 169 #endif // V8_VARIABLES_H_ | 169 #endif // V8_VARIABLES_H_ |
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