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| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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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| 2298 frame_->EmitPush(Immediate(pairs)); | 2298 frame_->EmitPush(Immediate(pairs)); |
| 2299 frame_->EmitPush(esi); // The context is the second argument. | 2299 frame_->EmitPush(esi); // The context is the second argument. |
| 2300 frame_->EmitPush(Immediate(Smi::FromInt(is_eval() ? 1 : 0))); | 2300 frame_->EmitPush(Immediate(Smi::FromInt(is_eval() ? 1 : 0))); |
| 2301 Result ignored = frame_->CallRuntime(Runtime::kDeclareGlobals, 3); | 2301 Result ignored = frame_->CallRuntime(Runtime::kDeclareGlobals, 3); |
| 2302 // Return value is ignored. | 2302 // Return value is ignored. |
| 2303 } | 2303 } |
| 2304 | 2304 |
| 2305 | 2305 |
| 2306 void CodeGenerator::VisitDeclaration(Declaration* node) { | 2306 void CodeGenerator::VisitDeclaration(Declaration* node) { |
| 2307 Comment cmnt(masm_, "[ Declaration"); | 2307 Comment cmnt(masm_, "[ Declaration"); |
| 2308 CodeForStatementPosition(node); | |
| 2309 Variable* var = node->proxy()->var(); | 2308 Variable* var = node->proxy()->var(); |
| 2310 ASSERT(var != NULL); // must have been resolved | 2309 ASSERT(var != NULL); // must have been resolved |
| 2311 Slot* slot = var->slot(); | 2310 Slot* slot = var->slot(); |
| 2312 | 2311 |
| 2313 // If it was not possible to allocate the variable at compile time, | 2312 // If it was not possible to allocate the variable at compile time, |
| 2314 // we need to "declare" it at runtime to make sure it actually | 2313 // we need to "declare" it at runtime to make sure it actually |
| 2315 // exists in the local context. | 2314 // exists in the local context. |
| 2316 if (slot != NULL && slot->type() == Slot::LOOKUP) { | 2315 if (slot != NULL && slot->type() == Slot::LOOKUP) { |
| 2317 // Variables with a "LOOKUP" slot were introduced as non-locals | 2316 // Variables with a "LOOKUP" slot were introduced as non-locals |
| 2318 // during variable resolution and must have mode DYNAMIC. | 2317 // during variable resolution and must have mode DYNAMIC. |
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| 4326 Load(node->key()); | 4325 Load(node->key()); |
| 4327 Load(node->value()); | 4326 Load(node->value()); |
| 4328 Result result = | 4327 Result result = |
| 4329 frame_->CallRuntime(Runtime::kCreateCatchExtensionObject, 2); | 4328 frame_->CallRuntime(Runtime::kCreateCatchExtensionObject, 2); |
| 4330 frame_->Push(&result); | 4329 frame_->Push(&result); |
| 4331 } | 4330 } |
| 4332 | 4331 |
| 4333 | 4332 |
| 4334 void CodeGenerator::VisitAssignment(Assignment* node) { | 4333 void CodeGenerator::VisitAssignment(Assignment* node) { |
| 4335 Comment cmnt(masm_, "[ Assignment"); | 4334 Comment cmnt(masm_, "[ Assignment"); |
| 4336 CodeForStatementPosition(node); | |
| 4337 | 4335 |
| 4338 { Reference target(this, node->target()); | 4336 { Reference target(this, node->target()); |
| 4339 if (target.is_illegal()) { | 4337 if (target.is_illegal()) { |
| 4340 // Fool the virtual frame into thinking that we left the assignment's | 4338 // Fool the virtual frame into thinking that we left the assignment's |
| 4341 // value on the frame. | 4339 // value on the frame. |
| 4342 frame_->Push(Smi::FromInt(0)); | 4340 frame_->Push(Smi::FromInt(0)); |
| 4343 return; | 4341 return; |
| 4344 } | 4342 } |
| 4345 Variable* var = node->target()->AsVariableProxy()->AsVariable(); | 4343 Variable* var = node->target()->AsVariableProxy()->AsVariable(); |
| 4346 | 4344 |
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| 4408 frame_->PushElementAt(target.size()); | 4406 frame_->PushElementAt(target.size()); |
| 4409 Result ignored = frame_->CallRuntime(Runtime::kToFastProperties, 1); | 4407 Result ignored = frame_->CallRuntime(Runtime::kToFastProperties, 1); |
| 4410 } | 4408 } |
| 4411 } | 4409 } |
| 4412 } | 4410 } |
| 4413 } | 4411 } |
| 4414 | 4412 |
| 4415 | 4413 |
| 4416 void CodeGenerator::VisitThrow(Throw* node) { | 4414 void CodeGenerator::VisitThrow(Throw* node) { |
| 4417 Comment cmnt(masm_, "[ Throw"); | 4415 Comment cmnt(masm_, "[ Throw"); |
| 4418 CodeForStatementPosition(node); | |
| 4419 | |
| 4420 Load(node->exception()); | 4416 Load(node->exception()); |
| 4421 Result result = frame_->CallRuntime(Runtime::kThrow, 1); | 4417 Result result = frame_->CallRuntime(Runtime::kThrow, 1); |
| 4422 frame_->Push(&result); | 4418 frame_->Push(&result); |
| 4423 } | 4419 } |
| 4424 | 4420 |
| 4425 | 4421 |
| 4426 void CodeGenerator::VisitProperty(Property* node) { | 4422 void CodeGenerator::VisitProperty(Property* node) { |
| 4427 Comment cmnt(masm_, "[ Property"); | 4423 Comment cmnt(masm_, "[ Property"); |
| 4428 Reference property(this, node); | 4424 Reference property(this, node); |
| 4429 property.GetValue(typeof_state()); | 4425 property.GetValue(typeof_state()); |
| 4430 } | 4426 } |
| 4431 | 4427 |
| 4432 | 4428 |
| 4433 void CodeGenerator::VisitCall(Call* node) { | 4429 void CodeGenerator::VisitCall(Call* node) { |
| 4434 Comment cmnt(masm_, "[ Call"); | 4430 Comment cmnt(masm_, "[ Call"); |
| 4435 | 4431 |
| 4436 ZoneList<Expression*>* args = node->arguments(); | 4432 ZoneList<Expression*>* args = node->arguments(); |
| 4437 | 4433 |
| 4438 CodeForStatementPosition(node); | |
| 4439 | |
| 4440 // Check if the function is a variable or a property. | 4434 // Check if the function is a variable or a property. |
| 4441 Expression* function = node->expression(); | 4435 Expression* function = node->expression(); |
| 4442 Variable* var = function->AsVariableProxy()->AsVariable(); | 4436 Variable* var = function->AsVariableProxy()->AsVariable(); |
| 4443 Property* property = function->AsProperty(); | 4437 Property* property = function->AsProperty(); |
| 4444 | 4438 |
| 4445 // ------------------------------------------------------------------------ | 4439 // ------------------------------------------------------------------------ |
| 4446 // Fast-case: Use inline caching. | 4440 // Fast-case: Use inline caching. |
| 4447 // --- | 4441 // --- |
| 4448 // According to ECMA-262, section 11.2.3, page 44, the function to call | 4442 // According to ECMA-262, section 11.2.3, page 44, the function to call |
| 4449 // must be resolved after the arguments have been evaluated. The IC code | 4443 // must be resolved after the arguments have been evaluated. The IC code |
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| 4584 LoadGlobalReceiver(); | 4578 LoadGlobalReceiver(); |
| 4585 | 4579 |
| 4586 // Call the function. | 4580 // Call the function. |
| 4587 CallWithArguments(args, node->position()); | 4581 CallWithArguments(args, node->position()); |
| 4588 } | 4582 } |
| 4589 } | 4583 } |
| 4590 | 4584 |
| 4591 | 4585 |
| 4592 void CodeGenerator::VisitCallNew(CallNew* node) { | 4586 void CodeGenerator::VisitCallNew(CallNew* node) { |
| 4593 Comment cmnt(masm_, "[ CallNew"); | 4587 Comment cmnt(masm_, "[ CallNew"); |
| 4594 CodeForStatementPosition(node); | |
| 4595 | 4588 |
| 4596 // According to ECMA-262, section 11.2.2, page 44, the function | 4589 // According to ECMA-262, section 11.2.2, page 44, the function |
| 4597 // expression in new calls must be evaluated before the | 4590 // expression in new calls must be evaluated before the |
| 4598 // arguments. This is different from ordinary calls, where the | 4591 // arguments. This is different from ordinary calls, where the |
| 4599 // actual function to call is resolved after the arguments have been | 4592 // actual function to call is resolved after the arguments have been |
| 4600 // evaluated. | 4593 // evaluated. |
| 4601 | 4594 |
| 4602 // Compute function to call and use the global object as the | 4595 // Compute function to call and use the global object as the |
| 4603 // receiver. There is no need to use the global proxy here because | 4596 // receiver. There is no need to use the global proxy here because |
| 4604 // it will always be replaced with a newly allocated object. | 4597 // it will always be replaced with a newly allocated object. |
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| 4624 void CodeGenerator::VisitCallEval(CallEval* node) { | 4617 void CodeGenerator::VisitCallEval(CallEval* node) { |
| 4625 Comment cmnt(masm_, "[ CallEval"); | 4618 Comment cmnt(masm_, "[ CallEval"); |
| 4626 | 4619 |
| 4627 // In a call to eval, we first call %ResolvePossiblyDirectEval to resolve | 4620 // In a call to eval, we first call %ResolvePossiblyDirectEval to resolve |
| 4628 // the function we need to call and the receiver of the call. | 4621 // the function we need to call and the receiver of the call. |
| 4629 // Then we call the resolved function using the given arguments. | 4622 // Then we call the resolved function using the given arguments. |
| 4630 | 4623 |
| 4631 ZoneList<Expression*>* args = node->arguments(); | 4624 ZoneList<Expression*>* args = node->arguments(); |
| 4632 Expression* function = node->expression(); | 4625 Expression* function = node->expression(); |
| 4633 | 4626 |
| 4634 CodeForStatementPosition(node); | |
| 4635 | |
| 4636 // Prepare the stack for the call to the resolved function. | 4627 // Prepare the stack for the call to the resolved function. |
| 4637 Load(function); | 4628 Load(function); |
| 4638 | 4629 |
| 4639 // Allocate a frame slot for the receiver. | 4630 // Allocate a frame slot for the receiver. |
| 4640 frame_->Push(Factory::undefined_value()); | 4631 frame_->Push(Factory::undefined_value()); |
| 4641 int arg_count = args->length(); | 4632 int arg_count = args->length(); |
| 4642 for (int i = 0; i < arg_count; i++) { | 4633 for (int i = 0; i < arg_count; i++) { |
| 4643 Load(args->at(i)); | 4634 Load(args->at(i)); |
| 4644 } | 4635 } |
| 4645 | 4636 |
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| 7979 | 7970 |
| 7980 int CompareStub::MinorKey() { | 7971 int CompareStub::MinorKey() { |
| 7981 // Encode the two parameters in a unique 16 bit value. | 7972 // Encode the two parameters in a unique 16 bit value. |
| 7982 ASSERT(static_cast<unsigned>(cc_) < (1 << 15)); | 7973 ASSERT(static_cast<unsigned>(cc_) < (1 << 15)); |
| 7983 return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0); | 7974 return (static_cast<unsigned>(cc_) << 1) | (strict_ ? 1 : 0); |
| 7984 } | 7975 } |
| 7985 | 7976 |
| 7986 #undef __ | 7977 #undef __ |
| 7987 | 7978 |
| 7988 } } // namespace v8::internal | 7979 } } // namespace v8::internal |
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