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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/ast.h" | 8 #include "src/ast.h" |
9 #include "src/compiler/js-graph.h" | 9 #include "src/compiler/js-graph.h" |
10 | 10 |
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77 // Stack of control scopes currently entered by the visitor. | 77 // Stack of control scopes currently entered by the visitor. |
78 ControlScope* execution_control_; | 78 ControlScope* execution_control_; |
79 | 79 |
80 // Stack of context objects pushed onto the chain by the visitor. | 80 // Stack of context objects pushed onto the chain by the visitor. |
81 ContextScope* execution_context_; | 81 ContextScope* execution_context_; |
82 | 82 |
83 // Nodes representing values in the activation record. | 83 // Nodes representing values in the activation record. |
84 SetOncePointer<Node> function_closure_; | 84 SetOncePointer<Node> function_closure_; |
85 SetOncePointer<Node> function_context_; | 85 SetOncePointer<Node> function_context_; |
86 | 86 |
| 87 // Tracks how many try-blocks are currently entered. |
| 88 int try_nesting_level_; |
| 89 |
87 // Temporary storage for building node input lists. | 90 // Temporary storage for building node input lists. |
88 int input_buffer_size_; | 91 int input_buffer_size_; |
89 Node** input_buffer_; | 92 Node** input_buffer_; |
90 | 93 |
91 // Merge of all control nodes that exit the function body. | 94 // Merge of all control nodes that exit the function body. |
92 Node* exit_control_; | 95 Node* exit_control_; |
93 | 96 |
94 // Result of loop assignment analysis performed before graph creation. | 97 // Result of loop assignment analysis performed before graph creation. |
95 LoopAssignmentAnalysis* loop_assignment_analysis_; | 98 LoopAssignmentAnalysis* loop_assignment_analysis_; |
96 | 99 |
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467 | 470 |
468 // Prepare environment to be used as loop header. | 471 // Prepare environment to be used as loop header. |
469 void PrepareForLoop(BitVector* assigned, bool is_osr = false); | 472 void PrepareForLoop(BitVector* assigned, bool is_osr = false); |
470 }; | 473 }; |
471 | 474 |
472 } // namespace compiler | 475 } // namespace compiler |
473 } // namespace internal | 476 } // namespace internal |
474 } // namespace v8 | 477 } // namespace v8 |
475 | 478 |
476 #endif // V8_COMPILER_AST_GRAPH_BUILDER_H_ | 479 #endif // V8_COMPILER_AST_GRAPH_BUILDER_H_ |
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