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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 #include "src/ast/variables.h" | 5 #include "src/ast/variables.h" |
6 | 6 |
7 #include "src/ast/ast.h" | 7 #include "src/ast/ast.h" |
8 #include "src/ast/scopes.h" | 8 #include "src/ast/scopes.h" |
| 9 #include "src/globals.h" |
9 | 10 |
10 namespace v8 { | 11 namespace v8 { |
11 namespace internal { | 12 namespace internal { |
12 | 13 |
13 // ---------------------------------------------------------------------------- | 14 // ---------------------------------------------------------------------------- |
14 // Implementation Variable. | 15 // Implementation Variable. |
15 | 16 |
16 const char* Variable::Mode2String(VariableMode mode) { | 17 const char* Variable::Mode2String(VariableMode mode) { |
17 switch (mode) { | 18 switch (mode) { |
18 case VAR: return "VAR"; | 19 case VAR: return "VAR"; |
19 case CONST_LEGACY: return "CONST_LEGACY"; | 20 case CONST_LEGACY: return "CONST_LEGACY"; |
20 case LET: return "LET"; | 21 case LET: return "LET"; |
21 case CONST: return "CONST"; | 22 case CONST: return "CONST"; |
22 case DYNAMIC: return "DYNAMIC"; | 23 case DYNAMIC: return "DYNAMIC"; |
23 case DYNAMIC_GLOBAL: return "DYNAMIC_GLOBAL"; | 24 case DYNAMIC_GLOBAL: return "DYNAMIC_GLOBAL"; |
24 case DYNAMIC_LOCAL: return "DYNAMIC_LOCAL"; | 25 case DYNAMIC_LOCAL: return "DYNAMIC_LOCAL"; |
25 case TEMPORARY: return "TEMPORARY"; | 26 case TEMPORARY: return "TEMPORARY"; |
26 } | 27 } |
27 UNREACHABLE(); | 28 UNREACHABLE(); |
28 return NULL; | 29 return NULL; |
29 } | 30 } |
30 | 31 |
31 | |
32 Variable::Variable(Scope* scope, const AstRawString* name, VariableMode mode, | 32 Variable::Variable(Scope* scope, const AstRawString* name, VariableMode mode, |
33 Kind kind, InitializationFlag initialization_flag, | 33 Kind kind, InitializationFlag initialization_flag, |
34 MaybeAssignedFlag maybe_assigned_flag) | 34 MaybeAssignedFlag maybe_assigned_flag) |
35 : scope_(scope), | 35 : scope_(scope), |
36 name_(name), | 36 name_(name), |
37 mode_(mode), | 37 mode_(mode), |
38 kind_(kind), | 38 kind_(kind), |
39 location_(VariableLocation::UNALLOCATED), | 39 location_(VariableLocation::UNALLOCATED), |
40 index_(-1), | 40 index_(-1), |
41 initializer_position_(RelocInfo::kNoPosition), | 41 initializer_position_(kNoSourcePosition), |
42 local_if_not_shadowed_(NULL), | 42 local_if_not_shadowed_(NULL), |
43 force_context_allocation_(false), | 43 force_context_allocation_(false), |
44 is_used_(false), | 44 is_used_(false), |
45 initialization_flag_(initialization_flag), | 45 initialization_flag_(initialization_flag), |
46 maybe_assigned_(maybe_assigned_flag) { | 46 maybe_assigned_(maybe_assigned_flag) { |
47 // Var declared variables never need initialization. | 47 // Var declared variables never need initialization. |
48 DCHECK(!(mode == VAR && initialization_flag == kNeedsInitialization)); | 48 DCHECK(!(mode == VAR && initialization_flag == kNeedsInitialization)); |
49 } | 49 } |
50 | 50 |
51 | 51 |
(...skipping 16 matching lines...) Expand all Loading... |
68 | 68 |
69 int Variable::CompareIndex(Variable* const* v, Variable* const* w) { | 69 int Variable::CompareIndex(Variable* const* v, Variable* const* w) { |
70 int x = (*v)->index(); | 70 int x = (*v)->index(); |
71 int y = (*w)->index(); | 71 int y = (*w)->index(); |
72 // Consider sorting them according to type as well? | 72 // Consider sorting them according to type as well? |
73 return x - y; | 73 return x - y; |
74 } | 74 } |
75 | 75 |
76 } // namespace internal | 76 } // namespace internal |
77 } // namespace v8 | 77 } // namespace v8 |
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