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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ | 5 #ifndef V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ |
6 #define V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ | 6 #define V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ |
7 | 7 |
8 #include "src/ast.h" | 8 #include "src/ast.h" |
9 #include "src/bit-vector.h" | 9 #include "src/bit-vector.h" |
10 #include "src/zone-containers.h" | 10 #include "src/zone-containers.h" |
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46 LoopAssignmentAnalysis* Analyze(); | 46 LoopAssignmentAnalysis* Analyze(); |
47 | 47 |
48 #define DECLARE_VISIT(type) void Visit##type(type* node) override; | 48 #define DECLARE_VISIT(type) void Visit##type(type* node) override; |
49 AST_NODE_LIST(DECLARE_VISIT) | 49 AST_NODE_LIST(DECLARE_VISIT) |
50 #undef DECLARE_VISIT | 50 #undef DECLARE_VISIT |
51 | 51 |
52 static int GetVariableIndex(Scope* scope, Variable* var); | 52 static int GetVariableIndex(Scope* scope, Variable* var); |
53 | 53 |
54 private: | 54 private: |
55 CompilationInfo* info_; | 55 CompilationInfo* info_; |
| 56 Zone* zone_; |
56 ZoneDeque<BitVector*> loop_stack_; | 57 ZoneDeque<BitVector*> loop_stack_; |
57 LoopAssignmentAnalysis* result_; | 58 LoopAssignmentAnalysis* result_; |
58 | 59 |
59 CompilationInfo* info() { return info_; } | 60 CompilationInfo* info() { return info_; } |
60 | 61 |
61 void Enter(IterationStatement* loop); | 62 void Enter(IterationStatement* loop); |
62 void Exit(IterationStatement* loop); | 63 void Exit(IterationStatement* loop); |
63 | 64 |
64 void VisitIfNotNull(AstNode* node) { | 65 void VisitIfNotNull(AstNode* node) { |
65 if (node != NULL) Visit(node); | 66 if (node != NULL) Visit(node); |
66 } | 67 } |
67 | 68 |
68 void AnalyzeAssignment(Variable* var); | 69 void AnalyzeAssignment(Variable* var); |
69 | 70 |
70 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | 71 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
71 DISALLOW_COPY_AND_ASSIGN(AstLoopAssignmentAnalyzer); | 72 DISALLOW_COPY_AND_ASSIGN(AstLoopAssignmentAnalyzer); |
72 }; | 73 }; |
73 } // namespace compiler | 74 } // namespace compiler |
74 } // namespace internal | 75 } // namespace internal |
75 } // namespace v8 | 76 } // namespace v8 |
76 | 77 |
77 #endif // V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ | 78 #endif // V8_COMPILER_AST_LOOP_ASSIGNMENT_ANALYZER_H_ |
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