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Issue 9447102: Implement x64 compilation for loading and storing local variables. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 9 months ago
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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a 2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file. 3 // BSD-style license that can be found in the LICENSE file.
4 4
5 #include "vm/scopes.h" 5 #include "vm/scopes.h"
6 6
7 #include "vm/ast.h" 7 #include "vm/ast.h"
8 #include "vm/object.h" 8 #include "vm/object.h"
9 9
10 namespace dart { 10 namespace dart {
11 11
12 const char* SourceLabel::kDefaultLabelName = ":L"; 12 const char* SourceLabel::kDefaultLabelName = ":L";
13 13
14 14
15 int SourceLabel::FunctionLevel() const { 15 int SourceLabel::FunctionLevel() const {
16 ASSERT(owner() != NULL); 16 ASSERT(owner() != NULL);
17 return owner()->function_level(); 17 return owner()->function_level();
18 } 18 }
19 19
20 20
21 LocalScope::LocalScope(LocalScope* parent, int function_level, int loop_level) 21 LocalScope::LocalScope(LocalScope* parent, int function_level, int loop_level)
22 : parent_(parent), 22 : parent_(parent),
23 child_(NULL), 23 child_(NULL),
24 sibling_(NULL), 24 sibling_(NULL),
25 function_level_(function_level), 25 function_level_(function_level),
26 loop_level_(loop_level), 26 loop_level_(loop_level),
27 context_level_(LocalScope::kUnitializedContextLevel_), 27 context_level_(LocalScope::kUnitializedContextLevel),
28 num_context_variables_(0), 28 num_context_variables_(0),
29 end_token_index_(0), 29 end_token_index_(0),
30 variables_(), 30 variables_(),
31 labels_() { 31 labels_() {
32 // Hook this node into the children of the parent, unless the parent has a 32 // Hook this node into the children of the parent, unless the parent has a
33 // different function_level, since the local scope of a nested function can 33 // different function_level, since the local scope of a nested function can
34 // be discarded after it has been parsed. 34 // be discarded after it has been parsed.
35 if ((parent != NULL) && (parent->function_level() == function_level)) { 35 if ((parent != NULL) && (parent->function_level() == function_level)) {
36 sibling_ = parent->child_; 36 sibling_ = parent->child_;
37 parent->child_ = this; 37 parent->child_ = this;
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468 } 468 }
469 if (owner()->context_level() == other.owner()->context_level()) { 469 if (owner()->context_level() == other.owner()->context_level()) {
470 return true; 470 return true;
471 } 471 }
472 } 472 }
473 } 473 }
474 return false; 474 return false;
475 } 475 }
476 476
477 } // namespace dart 477 } // namespace dart
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