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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_GRAPH_BUILDER_H_ | 5 #ifndef V8_COMPILER_AST_GRAPH_BUILDER_H_ |
6 #define V8_COMPILER_AST_GRAPH_BUILDER_H_ | 6 #define V8_COMPILER_AST_GRAPH_BUILDER_H_ |
7 | 7 |
8 #include "src/v8.h" | 8 #include "src/v8.h" |
9 | 9 |
10 #include "src/ast.h" | 10 #include "src/ast.h" |
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65 | 65 |
66 // | 66 // |
67 // The following build methods all generate graph fragments and return one | 67 // The following build methods all generate graph fragments and return one |
68 // resulting node. The operand stack height remains the same, variables and | 68 // resulting node. The operand stack height remains the same, variables and |
69 // other dependencies tracked by the environment might be mutated though. | 69 // other dependencies tracked by the environment might be mutated though. |
70 // | 70 // |
71 | 71 |
72 // Builder to create a receiver check for sloppy mode. | 72 // Builder to create a receiver check for sloppy mode. |
73 Node* BuildPatchReceiverToGlobalProxy(Node* receiver); | 73 Node* BuildPatchReceiverToGlobalProxy(Node* receiver); |
74 | 74 |
75 // Builder to create a local function context. | 75 // Builders to create local function and block contexts. |
76 Node* BuildLocalFunctionContext(Node* context, Node* closure); | 76 Node* BuildLocalFunctionContext(Node* context, Node* closure); |
| 77 Node* BuildLocalBlockContext(Scope* scope); |
77 | 78 |
78 // Builder to create an arguments object if it is used. | 79 // Builder to create an arguments object if it is used. |
79 Node* BuildArgumentsObject(Variable* arguments); | 80 Node* BuildArgumentsObject(Variable* arguments); |
80 | 81 |
81 // Builders for variable load and assignment. | 82 // Builders for variable load and assignment. |
82 Node* BuildVariableAssignment(Variable* var, Node* value, Token::Value op, | 83 Node* BuildVariableAssignment(Variable* var, Node* value, Token::Value op, |
83 BailoutId bailout_id, | 84 BailoutId bailout_id, |
84 OutputFrameStateCombine state_combine = | 85 OutputFrameStateCombine state_combine = |
85 OutputFrameStateCombine::Ignore()); | 86 OutputFrameStateCombine::Ignore()); |
86 Node* BuildVariableDelete(Variable* var, BailoutId bailout_id, | 87 Node* BuildVariableDelete(Variable* var, BailoutId bailout_id, |
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167 | 168 |
168 // Visit statements. | 169 // Visit statements. |
169 void VisitIfNotNull(Statement* stmt); | 170 void VisitIfNotNull(Statement* stmt); |
170 | 171 |
171 // Visit expressions. | 172 // Visit expressions. |
172 void Visit(Expression* expr); | 173 void Visit(Expression* expr); |
173 void VisitForTest(Expression* expr); | 174 void VisitForTest(Expression* expr); |
174 void VisitForEffect(Expression* expr); | 175 void VisitForEffect(Expression* expr); |
175 void VisitForValue(Expression* expr); | 176 void VisitForValue(Expression* expr); |
176 void VisitForValueOrNull(Expression* expr); | 177 void VisitForValueOrNull(Expression* expr); |
| 178 void VisitForValueOrTheHole(Expression* expr); |
177 void VisitForValues(ZoneList<Expression*>* exprs); | 179 void VisitForValues(ZoneList<Expression*>* exprs); |
178 | 180 |
179 // Common for all IterationStatement bodies. | 181 // Common for all IterationStatement bodies. |
180 void VisitIterationBody(IterationStatement* stmt, LoopBuilder* loop, int); | 182 void VisitIterationBody(IterationStatement* stmt, LoopBuilder* loop, int); |
181 | 183 |
182 // Dispatched from VisitCallRuntime. | 184 // Dispatched from VisitCallRuntime. |
183 void VisitCallJSRuntime(CallRuntime* expr); | 185 void VisitCallJSRuntime(CallRuntime* expr); |
184 | 186 |
185 // Dispatched from VisitUnaryOperation. | 187 // Dispatched from VisitUnaryOperation. |
186 void VisitDelete(UnaryOperation* expr); | 188 void VisitDelete(UnaryOperation* expr); |
187 void VisitVoid(UnaryOperation* expr); | 189 void VisitVoid(UnaryOperation* expr); |
188 void VisitTypeof(UnaryOperation* expr); | 190 void VisitTypeof(UnaryOperation* expr); |
189 void VisitNot(UnaryOperation* expr); | 191 void VisitNot(UnaryOperation* expr); |
190 | 192 |
191 // Dispatched from VisitBinaryOperation. | 193 // Dispatched from VisitBinaryOperation. |
192 void VisitComma(BinaryOperation* expr); | 194 void VisitComma(BinaryOperation* expr); |
193 void VisitLogicalExpression(BinaryOperation* expr); | 195 void VisitLogicalExpression(BinaryOperation* expr); |
194 void VisitArithmeticExpression(BinaryOperation* expr); | 196 void VisitArithmeticExpression(BinaryOperation* expr); |
195 | 197 |
196 // Dispatched from VisitForInStatement. | 198 // Dispatched from VisitForInStatement. |
197 void VisitForInAssignment(Expression* expr, Node* value); | 199 void VisitForInAssignment(Expression* expr, Node* value); |
198 | 200 |
| 201 // Dispatched from VisitClassLiteral. |
| 202 void VisitClassLiteralContents(ClassLiteral* expr); |
| 203 |
199 // Builds deoptimization for a given node. | 204 // Builds deoptimization for a given node. |
200 void PrepareFrameState( | 205 void PrepareFrameState( |
201 Node* node, BailoutId ast_id, | 206 Node* node, BailoutId ast_id, |
202 OutputFrameStateCombine combine = OutputFrameStateCombine::Ignore()); | 207 OutputFrameStateCombine combine = OutputFrameStateCombine::Ignore()); |
203 | 208 |
204 BitVector* GetVariablesAssignedInLoop(IterationStatement* stmt); | 209 BitVector* GetVariablesAssignedInLoop(IterationStatement* stmt); |
205 | 210 |
206 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | 211 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
207 DISALLOW_COPY_AND_ASSIGN(AstGraphBuilder); | 212 DISALLOW_COPY_AND_ASSIGN(AstGraphBuilder); |
208 }; | 213 }; |
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448 | 453 |
449 Scope* AstGraphBuilder::current_scope() const { | 454 Scope* AstGraphBuilder::current_scope() const { |
450 return execution_context_->scope(); | 455 return execution_context_->scope(); |
451 } | 456 } |
452 | 457 |
453 } // namespace compiler | 458 } // namespace compiler |
454 } // namespace internal | 459 } // namespace internal |
455 } // namespace v8 | 460 } // namespace v8 |
456 | 461 |
457 #endif // V8_COMPILER_AST_GRAPH_BUILDER_H_ | 462 #endif // V8_COMPILER_AST_GRAPH_BUILDER_H_ |
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