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Side by Side Diff: src/interpreter/control-flow-builders.h

Issue 2161263003: [debug] use catch prediction flag for promise rejections. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 5 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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_INTERPRETER_CONTROL_FLOW_BUILDERS_H_ 5 #ifndef V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_
6 #define V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_ 6 #define V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_
7 7
8 #include "src/interpreter/bytecode-array-builder.h" 8 #include "src/interpreter/bytecode-array-builder.h"
9 9
10 #include "src/interpreter/bytecode-label.h" 10 #include "src/interpreter/bytecode-label.h"
(...skipping 126 matching lines...) Expand 10 before | Expand all | Expand 10 after
137 137
138 private: 138 private:
139 // Unbound labels that identify jumps for case statements in the code. 139 // Unbound labels that identify jumps for case statements in the code.
140 ZoneVector<BytecodeLabel> case_sites_; 140 ZoneVector<BytecodeLabel> case_sites_;
141 }; 141 };
142 142
143 143
144 // A class to help with co-ordinating control flow in try-catch statements. 144 // A class to help with co-ordinating control flow in try-catch statements.
145 class TryCatchBuilder final : public ControlFlowBuilder { 145 class TryCatchBuilder final : public ControlFlowBuilder {
146 public: 146 public:
147 explicit TryCatchBuilder(BytecodeArrayBuilder* builder, bool catch_predicted) 147 explicit TryCatchBuilder(BytecodeArrayBuilder* builder,
148 HandlerTable::CatchPrediction catch_prediction)
148 : ControlFlowBuilder(builder), 149 : ControlFlowBuilder(builder),
149 handler_id_(builder->NewHandlerEntry()), 150 handler_id_(builder->NewHandlerEntry()),
150 catch_predicted_(catch_predicted) {} 151 catch_prediction_(catch_prediction) {}
151 152
152 void BeginTry(Register context); 153 void BeginTry(Register context);
153 void EndTry(); 154 void EndTry();
154 void EndCatch(); 155 void EndCatch();
155 156
156 private: 157 private:
157 int handler_id_; 158 int handler_id_;
158 bool catch_predicted_; 159 HandlerTable::CatchPrediction catch_prediction_;
159 BytecodeLabel handler_; 160 BytecodeLabel handler_;
160 BytecodeLabel exit_; 161 BytecodeLabel exit_;
161 }; 162 };
162 163
163 164
164 // A class to help with co-ordinating control flow in try-finally statements. 165 // A class to help with co-ordinating control flow in try-finally statements.
165 class TryFinallyBuilder final : public ControlFlowBuilder { 166 class TryFinallyBuilder final : public ControlFlowBuilder {
166 public: 167 public:
167 explicit TryFinallyBuilder(BytecodeArrayBuilder* builder, 168 explicit TryFinallyBuilder(BytecodeArrayBuilder* builder,
168 bool catch_predicted) 169 HandlerTable::CatchPrediction catch_prediction)
169 : ControlFlowBuilder(builder), 170 : ControlFlowBuilder(builder),
170 handler_id_(builder->NewHandlerEntry()), 171 handler_id_(builder->NewHandlerEntry()),
171 catch_predicted_(catch_predicted), 172 catch_prediction_(catch_prediction),
172 finalization_sites_(builder->zone()) {} 173 finalization_sites_(builder->zone()) {}
173 174
174 void BeginTry(Register context); 175 void BeginTry(Register context);
175 void LeaveTry(); 176 void LeaveTry();
176 void EndTry(); 177 void EndTry();
177 void BeginHandler(); 178 void BeginHandler();
178 void BeginFinally(); 179 void BeginFinally();
179 void EndFinally(); 180 void EndFinally();
180 181
181 private: 182 private:
182 int handler_id_; 183 int handler_id_;
183 bool catch_predicted_; 184 HandlerTable::CatchPrediction catch_prediction_;
184 BytecodeLabel handler_; 185 BytecodeLabel handler_;
185 186
186 // Unbound labels that identify jumps to the finally block in the code. 187 // Unbound labels that identify jumps to the finally block in the code.
187 ZoneVector<BytecodeLabel> finalization_sites_; 188 ZoneVector<BytecodeLabel> finalization_sites_;
188 }; 189 };
189 190
190 } // namespace interpreter 191 } // namespace interpreter
191 } // namespace internal 192 } // namespace internal
192 } // namespace v8 193 } // namespace v8
193 194
194 #endif // V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_ 195 #endif // V8_INTERPRETER_CONTROL_FLOW_BUILDERS_H_
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