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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium 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 "tools/gn/parse_tree.h" | 5 #include "tools/gn/parse_tree.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include <string> | 9 #include <string> |
10 #include <tuple> | 10 #include <tuple> |
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480 } | 480 } |
481 | 481 |
482 IdentifierNode::~IdentifierNode() { | 482 IdentifierNode::~IdentifierNode() { |
483 } | 483 } |
484 | 484 |
485 const IdentifierNode* IdentifierNode::AsIdentifier() const { | 485 const IdentifierNode* IdentifierNode::AsIdentifier() const { |
486 return this; | 486 return this; |
487 } | 487 } |
488 | 488 |
489 Value IdentifierNode::Execute(Scope* scope, Err* err) const { | 489 Value IdentifierNode::Execute(Scope* scope, Err* err) const { |
490 const Scope* found_in_scope = nullptr; | 490 const Value* value = scope->GetValue(value_.value(), true); |
491 const Value* value = scope->GetValueWithScope(value_.value(), true, | |
492 &found_in_scope); | |
493 Value result; | 491 Value result; |
494 if (!value) { | 492 if (!value) { |
495 *err = MakeErrorDescribing("Undefined identifier"); | 493 *err = MakeErrorDescribing("Undefined identifier"); |
496 return result; | 494 return result; |
497 } | 495 } |
498 | 496 |
499 if (!EnsureNotReadingFromSameDeclareArgs(this, scope, found_in_scope, err)) | |
500 return result; | |
501 | |
502 result = *value; | 497 result = *value; |
503 result.set_origin(this); | 498 result.set_origin(this); |
504 return result; | 499 return result; |
505 } | 500 } |
506 | 501 |
507 LocationRange IdentifierNode::GetRange() const { | 502 LocationRange IdentifierNode::GetRange() const { |
508 return value_.range(); | 503 return value_.range(); |
509 } | 504 } |
510 | 505 |
511 Err IdentifierNode::MakeErrorDescribing(const std::string& msg, | 506 Err IdentifierNode::MakeErrorDescribing(const std::string& msg, |
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872 | 867 |
873 Err EndNode::MakeErrorDescribing(const std::string& msg, | 868 Err EndNode::MakeErrorDescribing(const std::string& msg, |
874 const std::string& help) const { | 869 const std::string& help) const { |
875 return Err(value_, msg, help); | 870 return Err(value_, msg, help); |
876 } | 871 } |
877 | 872 |
878 void EndNode::Print(std::ostream& out, int indent) const { | 873 void EndNode::Print(std::ostream& out, int indent) const { |
879 out << IndentFor(indent) << "END(" << value_.value() << ")\n"; | 874 out << IndentFor(indent) << "END(" << value_.value() << ")\n"; |
880 PrintComments(out, indent); | 875 PrintComments(out, indent); |
881 } | 876 } |
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