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Issue 566008: Incorporate the arguments to the code generator constructors and their (Closed)
Patch Set: Incorporate the arguments to the code generator constructors and their... Created 10 years, 10 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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298 // compiler and needs to setup everything or the compiler is used as 298 // compiler and needs to setup everything or the compiler is used as
299 // the secondary compiler for split compilation and has to handle 299 // the secondary compiler for split compilation and has to handle
300 // bailouts. 300 // bailouts.
301 enum Mode { 301 enum Mode {
302 PRIMARY, 302 PRIMARY,
303 SECONDARY 303 SECONDARY
304 }; 304 };
305 305
306 // Takes a function literal, generates code for it. This function should only 306 // Takes a function literal, generates code for it. This function should only
307 // be called by compiler.cc. 307 // be called by compiler.cc.
308 static Handle<Code> MakeCode(FunctionLiteral* fun, 308 static Handle<Code> MakeCode(CompilationInfo* info);
309 Handle<Script> script,
310 bool is_eval,
311 CompilationInfo* info);
312 309
313 // Printing of AST, etc. as requested by flags. 310 // Printing of AST, etc. as requested by flags.
314 static void MakeCodePrologue(FunctionLiteral* fun); 311 static void MakeCodePrologue(CompilationInfo* info);
315 312
316 // Allocate and install the code. 313 // Allocate and install the code.
317 static Handle<Code> MakeCodeEpilogue(FunctionLiteral* fun, 314 static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
318 MacroAssembler* masm,
319 Code::Flags flags, 315 Code::Flags flags,
320 Handle<Script> script); 316 CompilationInfo* info);
321 317
322 #ifdef ENABLE_LOGGING_AND_PROFILING 318 #ifdef ENABLE_LOGGING_AND_PROFILING
323 static bool ShouldGenerateLog(Expression* type); 319 static bool ShouldGenerateLog(Expression* type);
324 #endif 320 #endif
325 321
326 static void RecordPositions(MacroAssembler* masm, int pos); 322 static void RecordPositions(MacroAssembler* masm, int pos);
327 323
328 // Accessors 324 // Accessors
329 MacroAssembler* masm() { return masm_; } 325 MacroAssembler* masm() { return masm_; }
330 VirtualFrame* frame() const { return frame_; } 326 VirtualFrame* frame() const { return frame_; }
331 Handle<Script> script() { return script_; } 327 inline Handle<Script> script();
332 328
333 bool has_valid_frame() const { return frame_ != NULL; } 329 bool has_valid_frame() const { return frame_ != NULL; }
334 330
335 // Set the virtual frame to be new_frame, with non-frame register 331 // Set the virtual frame to be new_frame, with non-frame register
336 // reference counts given by non_frame_registers. The non-frame 332 // reference counts given by non_frame_registers. The non-frame
337 // register reference counts of the old frame are returned in 333 // register reference counts of the old frame are returned in
338 // non_frame_registers. 334 // non_frame_registers.
339 void SetFrame(VirtualFrame* new_frame, RegisterFile* non_frame_registers); 335 void SetFrame(VirtualFrame* new_frame, RegisterFile* non_frame_registers);
340 336
341 void DeleteFrame(); 337 void DeleteFrame();
342 338
343 RegisterAllocator* allocator() const { return allocator_; } 339 RegisterAllocator* allocator() const { return allocator_; }
344 340
345 CodeGenState* state() { return state_; } 341 CodeGenState* state() { return state_; }
346 void set_state(CodeGenState* state) { state_ = state; } 342 void set_state(CodeGenState* state) { state_ = state; }
347 343
348 void AddDeferred(DeferredCode* code) { deferred_.Add(code); } 344 void AddDeferred(DeferredCode* code) { deferred_.Add(code); }
349 345
350 bool in_spilled_code() const { return in_spilled_code_; } 346 bool in_spilled_code() const { return in_spilled_code_; }
351 void set_in_spilled_code(bool flag) { in_spilled_code_ = flag; } 347 void set_in_spilled_code(bool flag) { in_spilled_code_ = flag; }
352 348
353 private: 349 private:
354 // Construction/Destruction 350 // Construction/Destruction
355 CodeGenerator(MacroAssembler* masm, Handle<Script> script, bool is_eval); 351 CodeGenerator(MacroAssembler* masm);
356 352
357 // Accessors 353 // Accessors
358 Scope* scope() const { return scope_; } 354 inline bool is_eval();
355 Scope* scope();
359 356
360 // Generating deferred code. 357 // Generating deferred code.
361 void ProcessDeferred(); 358 void ProcessDeferred();
362 359
363 bool is_eval() { return is_eval_; }
364
365 // State 360 // State
366 ControlDestination* destination() const { return state_->destination(); } 361 ControlDestination* destination() const { return state_->destination(); }
367 362
368 // Track loop nesting level. 363 // Track loop nesting level.
369 int loop_nesting() const { return loop_nesting_; } 364 int loop_nesting() const { return loop_nesting_; }
370 void IncrementLoopNesting() { loop_nesting_++; } 365 void IncrementLoopNesting() { loop_nesting_++; }
371 void DecrementLoopNesting() { loop_nesting_--; } 366 void DecrementLoopNesting() { loop_nesting_--; }
372 367
373 368
374 // Node visitors. 369 // Node visitors.
375 void VisitStatements(ZoneList<Statement*>* statements); 370 void VisitStatements(ZoneList<Statement*>* statements);
376 371
377 #define DEF_VISIT(type) \ 372 #define DEF_VISIT(type) \
378 void Visit##type(type* node); 373 void Visit##type(type* node);
379 AST_NODE_LIST(DEF_VISIT) 374 AST_NODE_LIST(DEF_VISIT)
380 #undef DEF_VISIT 375 #undef DEF_VISIT
381 376
382 // Visit a statement and then spill the virtual frame if control flow can 377 // Visit a statement and then spill the virtual frame if control flow can
383 // reach the end of the statement (ie, it does not exit via break, 378 // reach the end of the statement (ie, it does not exit via break,
384 // continue, return, or throw). This function is used temporarily while 379 // continue, return, or throw). This function is used temporarily while
385 // the code generator is being transformed. 380 // the code generator is being transformed.
386 void VisitAndSpill(Statement* statement); 381 void VisitAndSpill(Statement* statement);
387 382
388 // Visit a list of statements and then spill the virtual frame if control 383 // Visit a list of statements and then spill the virtual frame if control
389 // flow can reach the end of the list. 384 // flow can reach the end of the list.
390 void VisitStatementsAndSpill(ZoneList<Statement*>* statements); 385 void VisitStatementsAndSpill(ZoneList<Statement*>* statements);
391 386
392 // Main code generation function 387 // Main code generation function
393 void Generate(FunctionLiteral* fun, Mode mode, CompilationInfo* info); 388 void Generate(CompilationInfo* info, Mode mode);
394 389
395 // Generate the return sequence code. Should be called no more than 390 // Generate the return sequence code. Should be called no more than
396 // once per compiled function, immediately after binding the return 391 // once per compiled function, immediately after binding the return
397 // target (which can not be done more than once). 392 // target (which can not be done more than once).
398 void GenerateReturnSequence(Result* return_value); 393 void GenerateReturnSequence(Result* return_value);
399 394
400 // Returns the arguments allocation mode. 395 // Returns the arguments allocation mode.
401 ArgumentsAllocationMode ArgumentsMode() const; 396 ArgumentsAllocationMode ArgumentsMode();
402 397
403 // Store the arguments object and allocate it if necessary. 398 // Store the arguments object and allocate it if necessary.
404 Result StoreArgumentsObject(bool initial); 399 Result StoreArgumentsObject(bool initial);
405 400
406 // The following are used by class Reference. 401 // The following are used by class Reference.
407 void LoadReference(Reference* ref); 402 void LoadReference(Reference* ref);
408 void UnloadReference(Reference* ref); 403 void UnloadReference(Reference* ref);
409 404
410 static Operand ContextOperand(Register context, int index) { 405 static Operand ContextOperand(Register context, int index) {
411 return Operand(context, Context::SlotOffset(index)); 406 return Operand(context, Context::SlotOffset(index));
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597 void CodeForStatementPosition(Statement* node); 592 void CodeForStatementPosition(Statement* node);
598 void CodeForDoWhileConditionPosition(DoWhileStatement* stmt); 593 void CodeForDoWhileConditionPosition(DoWhileStatement* stmt);
599 void CodeForSourcePosition(int pos); 594 void CodeForSourcePosition(int pos);
600 595
601 #ifdef DEBUG 596 #ifdef DEBUG
602 // True if the registers are valid for entry to a block. There should 597 // True if the registers are valid for entry to a block. There should
603 // be no frame-external references to (non-reserved) registers. 598 // be no frame-external references to (non-reserved) registers.
604 bool HasValidEntryRegisters(); 599 bool HasValidEntryRegisters();
605 #endif 600 #endif
606 601
607 bool is_eval_; // Tells whether code is generated for eval.
608 Handle<Script> script_;
609 ZoneList<DeferredCode*> deferred_; 602 ZoneList<DeferredCode*> deferred_;
610 603
611 // Assembler 604 // Assembler
612 MacroAssembler* masm_; // to generate code 605 MacroAssembler* masm_; // to generate code
613 606
607 CompilationInfo* info_;
608
614 // Code generation state 609 // Code generation state
615 Scope* scope_;
616 VirtualFrame* frame_; 610 VirtualFrame* frame_;
617 RegisterAllocator* allocator_; 611 RegisterAllocator* allocator_;
618 CodeGenState* state_; 612 CodeGenState* state_;
619 int loop_nesting_; 613 int loop_nesting_;
620 614
621 // Jump targets. 615 // Jump targets.
622 // The target of the return from the function. 616 // The target of the return from the function.
623 BreakTarget function_return_; 617 BreakTarget function_return_;
624 618
625 // True if the function return is shadowed (ie, jumping to the target 619 // True if the function return is shadowed (ie, jumping to the target
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823 Major MajorKey() { return StringCompare; } 817 Major MajorKey() { return StringCompare; }
824 int MinorKey() { return 0; } 818 int MinorKey() { return 0; }
825 819
826 void Generate(MacroAssembler* masm); 820 void Generate(MacroAssembler* masm);
827 }; 821 };
828 822
829 823
830 } } // namespace v8::internal 824 } } // namespace v8::internal
831 825
832 #endif // V8_X64_CODEGEN_X64_H_ 826 #endif // V8_X64_CODEGEN_X64_H_
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