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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 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 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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432 void FullCodeGenSyntaxChecker::VisitThisFunction(ThisFunction* expr) { 432 void FullCodeGenSyntaxChecker::VisitThisFunction(ThisFunction* expr) {
433 // Supported. 433 // Supported.
434 } 434 }
435 435
436 #undef BAILOUT 436 #undef BAILOUT
437 #undef CHECK_BAILOUT 437 #undef CHECK_BAILOUT
438 438
439 439
440 #define __ ACCESS_MASM(masm()) 440 #define __ ACCESS_MASM(masm())
441 441
442 Handle<Code> FullCodeGenerator::MakeCode(FunctionLiteral* fun, 442 Handle<Code> FullCodeGenerator::MakeCode(CompilationInfo* info) {
443 Handle<Script> script, 443 Handle<Script> script = info->script();
444 bool is_eval) {
445 if (!script->IsUndefined() && !script->source()->IsUndefined()) { 444 if (!script->IsUndefined() && !script->source()->IsUndefined()) {
446 int len = String::cast(script->source())->length(); 445 int len = String::cast(script->source())->length();
447 Counters::total_full_codegen_source_size.Increment(len); 446 Counters::total_full_codegen_source_size.Increment(len);
448 } 447 }
449 CodeGenerator::MakeCodePrologue(fun); 448 CodeGenerator::MakeCodePrologue(info);
450 const int kInitialBufferSize = 4 * KB; 449 const int kInitialBufferSize = 4 * KB;
451 MacroAssembler masm(NULL, kInitialBufferSize); 450 MacroAssembler masm(NULL, kInitialBufferSize);
452 FullCodeGenerator cgen(&masm, script, is_eval); 451 FullCodeGenerator cgen(&masm);
453 cgen.Generate(fun, PRIMARY); 452 cgen.Generate(info, PRIMARY);
454 if (cgen.HasStackOverflow()) { 453 if (cgen.HasStackOverflow()) {
455 ASSERT(!Top::has_pending_exception()); 454 ASSERT(!Top::has_pending_exception());
456 return Handle<Code>::null(); 455 return Handle<Code>::null();
457 } 456 }
458 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION, NOT_IN_LOOP); 457 Code::Flags flags = Code::ComputeFlags(Code::FUNCTION, NOT_IN_LOOP);
459 return CodeGenerator::MakeCodeEpilogue(fun, &masm, flags, script); 458 return CodeGenerator::MakeCodeEpilogue(&masm, flags, info);
460 } 459 }
461 460
462 461
463 int FullCodeGenerator::SlotOffset(Slot* slot) { 462 int FullCodeGenerator::SlotOffset(Slot* slot) {
464 ASSERT(slot != NULL); 463 ASSERT(slot != NULL);
465 // Offset is negative because higher indexes are at lower addresses. 464 // Offset is negative because higher indexes are at lower addresses.
466 int offset = -slot->index() * kPointerSize; 465 int offset = -slot->index() * kPointerSize;
467 // Adjust by a (parameter or local) base offset. 466 // Adjust by a (parameter or local) base offset.
468 switch (slot->type()) { 467 switch (slot->type()) {
469 case Slot::PARAMETER: 468 case Slot::PARAMETER:
470 offset += (function_->scope()->num_parameters() + 1) * kPointerSize; 469 offset += (scope()->num_parameters() + 1) * kPointerSize;
471 break; 470 break;
472 case Slot::LOCAL: 471 case Slot::LOCAL:
473 offset += JavaScriptFrameConstants::kLocal0Offset; 472 offset += JavaScriptFrameConstants::kLocal0Offset;
474 break; 473 break;
475 case Slot::CONTEXT: 474 case Slot::CONTEXT:
476 case Slot::LOOKUP: 475 case Slot::LOOKUP:
477 UNREACHABLE(); 476 UNREACHABLE();
478 } 477 }
479 return offset; 478 return offset;
480 } 479 }
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513 array->set(j++, *(var->name())); 512 array->set(j++, *(var->name()));
514 if (decl->fun() == NULL) { 513 if (decl->fun() == NULL) {
515 if (var->mode() == Variable::CONST) { 514 if (var->mode() == Variable::CONST) {
516 // In case this is const property use the hole. 515 // In case this is const property use the hole.
517 array->set_the_hole(j++); 516 array->set_the_hole(j++);
518 } else { 517 } else {
519 array->set_undefined(j++); 518 array->set_undefined(j++);
520 } 519 }
521 } else { 520 } else {
522 Handle<JSFunction> function = 521 Handle<JSFunction> function =
523 Compiler::BuildBoilerplate(decl->fun(), script_, this); 522 Compiler::BuildBoilerplate(decl->fun(), script(), this);
524 // Check for stack-overflow exception. 523 // Check for stack-overflow exception.
525 if (HasStackOverflow()) return; 524 if (HasStackOverflow()) return;
526 array->set(j++, *function); 525 array->set(j++, *function);
527 } 526 }
528 } 527 }
529 } 528 }
530 // Invoke the platform-dependent code generator to do the actual 529 // Invoke the platform-dependent code generator to do the actual
531 // declaration the global variables and functions. 530 // declaration the global variables and functions.
532 DeclareGlobals(array); 531 DeclareGlobals(array);
533 } 532 }
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1146 // The macros used here must preserve the result register. 1145 // The macros used here must preserve the result register.
1147 __ Drop(stack_depth); 1146 __ Drop(stack_depth);
1148 __ PopTryHandler(); 1147 __ PopTryHandler();
1149 return 0; 1148 return 0;
1150 } 1149 }
1151 1150
1152 #undef __ 1151 #undef __
1153 1152
1154 1153
1155 } } // namespace v8::internal 1154 } } // namespace v8::internal
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