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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/zone.h" | 8 #include "src/zone.h" |
9 #include "src/interface.h" | 9 #include "src/interface.h" |
10 | 10 |
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73 Handle<String> name() const { return name_; } | 73 Handle<String> name() const { return name_; } |
74 VariableMode mode() const { return mode_; } | 74 VariableMode mode() const { return mode_; } |
75 bool has_forced_context_allocation() const { | 75 bool has_forced_context_allocation() const { |
76 return force_context_allocation_; | 76 return force_context_allocation_; |
77 } | 77 } |
78 void ForceContextAllocation() { | 78 void ForceContextAllocation() { |
79 ASSERT(mode_ != TEMPORARY); | 79 ASSERT(mode_ != TEMPORARY); |
80 force_context_allocation_ = true; | 80 force_context_allocation_ = true; |
81 } | 81 } |
82 bool is_used() { return is_used_; } | 82 bool is_used() { return is_used_; } |
83 void set_is_used(bool flag) { is_used_ = flag; } | 83 void set_is_used() { is_used_ = true; } |
| 84 bool maybe_assigned() { return maybe_assigned_; } |
| 85 void set_maybe_assigned() { maybe_assigned_ = true; } |
84 | 86 |
85 int initializer_position() { return initializer_position_; } | 87 int initializer_position() { return initializer_position_; } |
86 void set_initializer_position(int pos) { initializer_position_ = pos; } | 88 void set_initializer_position(int pos) { initializer_position_ = pos; } |
87 | 89 |
88 bool IsVariable(Handle<String> n) const { | 90 bool IsVariable(Handle<String> n) const { |
89 return !is_this() && name().is_identical_to(n); | 91 return !is_this() && name().is_identical_to(n); |
90 } | 92 } |
91 | 93 |
92 bool IsUnallocated() const { return location_ == UNALLOCATED; } | 94 bool IsUnallocated() const { return location_ == UNALLOCATED; } |
93 bool IsParameter() const { return location_ == PARAMETER; } | 95 bool IsParameter() const { return location_ == PARAMETER; } |
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148 // sloppy 'eval' calls between the reference scope (inclusive) and the | 150 // sloppy 'eval' calls between the reference scope (inclusive) and the |
149 // binding scope (exclusive). | 151 // binding scope (exclusive). |
150 Variable* local_if_not_shadowed_; | 152 Variable* local_if_not_shadowed_; |
151 | 153 |
152 // Valid as a reference? (const and this are not valid, for example) | 154 // Valid as a reference? (const and this are not valid, for example) |
153 bool is_valid_ref_; | 155 bool is_valid_ref_; |
154 | 156 |
155 // Usage info. | 157 // Usage info. |
156 bool force_context_allocation_; // set by variable resolver | 158 bool force_context_allocation_; // set by variable resolver |
157 bool is_used_; | 159 bool is_used_; |
| 160 bool maybe_assigned_; |
158 InitializationFlag initialization_flag_; | 161 InitializationFlag initialization_flag_; |
159 | 162 |
160 // Module type info. | 163 // Module type info. |
161 Interface* interface_; | 164 Interface* interface_; |
162 }; | 165 }; |
163 | 166 |
164 | 167 |
165 } } // namespace v8::internal | 168 } } // namespace v8::internal |
166 | 169 |
167 #endif // V8_VARIABLES_H_ | 170 #endif // V8_VARIABLES_H_ |
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