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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 #include "src/scopes.h" | 5 #include "src/scopes.h" |
6 | 6 |
7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/messages.h" | 9 #include "src/messages.h" |
10 #include "src/parser.h" | 10 #include "src/parser.h" |
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459 for (Scope* scope = this; | 459 for (Scope* scope = this; |
460 scope != NULL; | 460 scope != NULL; |
461 scope = scope->outer_scope()) { | 461 scope = scope->outer_scope()) { |
462 Variable* var = scope->LookupLocal(name); | 462 Variable* var = scope->LookupLocal(name); |
463 if (var != NULL) return var; | 463 if (var != NULL) return var; |
464 } | 464 } |
465 return NULL; | 465 return NULL; |
466 } | 466 } |
467 | 467 |
468 | 468 |
469 Variable* Scope::DeclareParameter( | 469 Variable* Scope::DeclareParameter(const AstRawString* name, VariableMode mode, |
Benedikt Meurer
2015/08/27 04:34:51
And this one.
gdeepti
2015/08/27 18:49:17
Done.
| |
470 const AstRawString* name, VariableMode mode, | 470 bool is_optional, bool is_rest, |
471 bool is_optional, bool is_rest, bool* is_duplicate) { | 471 bool* is_duplicate) { |
472 DCHECK(!already_resolved()); | 472 DCHECK(!already_resolved()); |
473 DCHECK(is_function_scope()); | 473 DCHECK(is_function_scope()); |
474 DCHECK(!is_optional || !is_rest); | 474 DCHECK(!is_optional || !is_rest); |
475 Variable* var; | 475 Variable* var; |
476 if (mode == TEMPORARY) { | 476 if (mode == TEMPORARY) { |
477 var = NewTemporary(name); | 477 var = NewTemporary(name); |
478 } else { | 478 } else { |
479 var = variables_.Declare(this, name, mode, Variable::NORMAL, | 479 var = variables_.Declare(this, name, mode, Variable::NORMAL, |
480 kCreatedInitialized); | 480 kCreatedInitialized); |
481 // TODO(wingo): Avoid O(n^2) check. | 481 // TODO(wingo): Avoid O(n^2) check. |
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1620 function_ != NULL && function_->proxy()->var()->IsContextSlot(); | 1620 function_ != NULL && function_->proxy()->var()->IsContextSlot(); |
1621 return num_heap_slots() - Context::MIN_CONTEXT_SLOTS - num_global_slots() - | 1621 return num_heap_slots() - Context::MIN_CONTEXT_SLOTS - num_global_slots() - |
1622 (is_function_var_in_context ? 1 : 0); | 1622 (is_function_var_in_context ? 1 : 0); |
1623 } | 1623 } |
1624 | 1624 |
1625 | 1625 |
1626 int Scope::ContextGlobalCount() const { return num_global_slots(); } | 1626 int Scope::ContextGlobalCount() const { return num_global_slots(); } |
1627 | 1627 |
1628 } // namespace internal | 1628 } // namespace internal |
1629 } // namespace v8 | 1629 } // namespace v8 |
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