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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_BYTECODE_ARRAY_BUILDER_H_ | 5 #ifndef V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
6 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 6 #define V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
7 | 7 |
8 #include "src/ast/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/interpreter/bytecodes.h" | 9 #include "src/interpreter/bytecodes.h" |
10 #include "src/interpreter/constant-array-builder.h" | 10 #include "src/interpreter/constant-array-builder.h" |
11 #include "src/interpreter/handler-table-builder.h" | 11 #include "src/interpreter/handler-table-builder.h" |
12 #include "src/interpreter/register-translator.h" | 12 #include "src/interpreter/register-translator.h" |
| 13 #include "src/interpreter/source-position-table.h" |
13 #include "src/zone-containers.h" | 14 #include "src/zone-containers.h" |
14 | 15 |
15 namespace v8 { | 16 namespace v8 { |
16 namespace internal { | 17 namespace internal { |
17 | 18 |
18 class Isolate; | 19 class Isolate; |
19 | 20 |
20 namespace interpreter { | 21 namespace interpreter { |
21 | 22 |
22 class BytecodeLabel; | 23 class BytecodeLabel; |
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242 | 243 |
243 // Exception handling. | 244 // Exception handling. |
244 BytecodeArrayBuilder& MarkHandler(int handler_id, bool will_catch); | 245 BytecodeArrayBuilder& MarkHandler(int handler_id, bool will_catch); |
245 BytecodeArrayBuilder& MarkTryBegin(int handler_id, Register context); | 246 BytecodeArrayBuilder& MarkTryBegin(int handler_id, Register context); |
246 BytecodeArrayBuilder& MarkTryEnd(int handler_id); | 247 BytecodeArrayBuilder& MarkTryEnd(int handler_id); |
247 | 248 |
248 // Creates a new handler table entry and returns a {hander_id} identifying the | 249 // Creates a new handler table entry and returns a {hander_id} identifying the |
249 // entry, so that it can be referenced by above exception handling support. | 250 // entry, so that it can be referenced by above exception handling support. |
250 int NewHandlerEntry() { return handler_table_builder()->NewHandlerEntry(); } | 251 int NewHandlerEntry() { return handler_table_builder()->NewHandlerEntry(); } |
251 | 252 |
| 253 void SetStatementPosition(Statement* stmt); |
| 254 void SetExpressionPosition(Expression* expr); |
| 255 |
252 // Accessors | 256 // Accessors |
253 Zone* zone() const { return zone_; } | 257 Zone* zone() const { return zone_; } |
254 | 258 |
255 private: | 259 private: |
256 class PreviousBytecodeHelper; | 260 class PreviousBytecodeHelper; |
257 friend class BytecodeRegisterAllocator; | 261 friend class BytecodeRegisterAllocator; |
258 | 262 |
259 static Bytecode BytecodeForBinaryOperation(Token::Value op); | 263 static Bytecode BytecodeForBinaryOperation(Token::Value op); |
260 static Bytecode BytecodeForCountOperation(Token::Value op); | 264 static Bytecode BytecodeForCountOperation(Token::Value op); |
261 static Bytecode BytecodeForCompareOperation(Token::Value op); | 265 static Bytecode BytecodeForCompareOperation(Token::Value op); |
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338 Isolate* isolate() const { return isolate_; } | 342 Isolate* isolate() const { return isolate_; } |
339 ConstantArrayBuilder* constant_array_builder() { | 343 ConstantArrayBuilder* constant_array_builder() { |
340 return &constant_array_builder_; | 344 return &constant_array_builder_; |
341 } | 345 } |
342 const ConstantArrayBuilder* constant_array_builder() const { | 346 const ConstantArrayBuilder* constant_array_builder() const { |
343 return &constant_array_builder_; | 347 return &constant_array_builder_; |
344 } | 348 } |
345 HandlerTableBuilder* handler_table_builder() { | 349 HandlerTableBuilder* handler_table_builder() { |
346 return &handler_table_builder_; | 350 return &handler_table_builder_; |
347 } | 351 } |
| 352 SourcePositionTableBuilder* source_position_table_builder() { |
| 353 return &source_position_table_builder_; |
| 354 } |
348 RegisterTranslator* register_translator() { return ®ister_translator_; } | 355 RegisterTranslator* register_translator() { return ®ister_translator_; } |
349 | 356 |
350 Isolate* isolate_; | 357 Isolate* isolate_; |
351 Zone* zone_; | 358 Zone* zone_; |
352 ZoneVector<uint8_t> bytecodes_; | 359 ZoneVector<uint8_t> bytecodes_; |
353 bool bytecode_generated_; | 360 bool bytecode_generated_; |
354 ConstantArrayBuilder constant_array_builder_; | 361 ConstantArrayBuilder constant_array_builder_; |
355 HandlerTableBuilder handler_table_builder_; | 362 HandlerTableBuilder handler_table_builder_; |
| 363 SourcePositionTableBuilder source_position_table_builder_; |
356 size_t last_block_end_; | 364 size_t last_block_end_; |
357 size_t last_bytecode_start_; | 365 size_t last_bytecode_start_; |
358 bool exit_seen_in_block_; | 366 bool exit_seen_in_block_; |
359 int unbound_jumps_; | 367 int unbound_jumps_; |
360 int parameter_count_; | 368 int parameter_count_; |
361 int local_register_count_; | 369 int local_register_count_; |
362 int context_register_count_; | 370 int context_register_count_; |
363 int temporary_register_count_; | 371 int temporary_register_count_; |
364 ZoneSet<int> free_temporaries_; | 372 ZoneSet<int> free_temporaries_; |
365 RegisterTranslator register_translator_; | 373 RegisterTranslator register_translator_; |
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406 size_t offset_; | 414 size_t offset_; |
407 | 415 |
408 friend class BytecodeArrayBuilder; | 416 friend class BytecodeArrayBuilder; |
409 }; | 417 }; |
410 | 418 |
411 } // namespace interpreter | 419 } // namespace interpreter |
412 } // namespace internal | 420 } // namespace internal |
413 } // namespace v8 | 421 } // namespace v8 |
414 | 422 |
415 #endif // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ | 423 #endif // V8_INTERPRETER_BYTECODE_ARRAY_BUILDER_H_ |
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