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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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| 610 len_++; | 610 len_++; |
| 611 } | 611 } |
| 612 | 612 |
| 613 void FunctionDone() { | 613 void FunctionDone() { |
| 614 HandleScope scope; | 614 HandleScope scope; |
| 615 FunctionInfoWrapper info = | 615 FunctionInfoWrapper info = |
| 616 FunctionInfoWrapper::cast(result_->GetElement(current_parent_index_)); | 616 FunctionInfoWrapper::cast(result_->GetElement(current_parent_index_)); |
| 617 current_parent_index_ = info.GetParentIndex(); | 617 current_parent_index_ = info.GetParentIndex(); |
| 618 } | 618 } |
| 619 | 619 |
| 620 // TODO(LiveEdit): Move private method below. | 620 public: |
| 621 // This private section was created here to avoid moving the function | 621 // Saves only function code, because for a script function we |
| 622 // to keep already complex diff simpler. | 622 // may never create a SharedFunctionInfo object. |
| 623 void FunctionCode(Handle<Code> function_code) { |
| 624 FunctionInfoWrapper info = |
| 625 FunctionInfoWrapper::cast(result_->GetElement(current_parent_index_)); |
| 626 info.SetFunctionCode(function_code, Handle<Object>(Heap::null_value())); |
| 627 } |
| 628 |
| 629 // Saves full information about a function: its code, its scope info |
| 630 // and a SharedFunctionInfo object. |
| 631 void FunctionInfo(Handle<SharedFunctionInfo> shared, Scope* scope) { |
| 632 if (!shared->IsSharedFunctionInfo()) { |
| 633 return; |
| 634 } |
| 635 FunctionInfoWrapper info = |
| 636 FunctionInfoWrapper::cast(result_->GetElement(current_parent_index_)); |
| 637 info.SetFunctionCode(Handle<Code>(shared->code()), |
| 638 Handle<Object>(shared->scope_info())); |
| 639 info.SetSharedFunctionInfo(shared); |
| 640 |
| 641 Handle<Object> scope_info_list(SerializeFunctionScope(scope)); |
| 642 info.SetOuterScopeInfo(scope_info_list); |
| 643 } |
| 644 |
| 645 Handle<JSArray> GetResult() { return result_; } |
| 646 |
| 623 private: | 647 private: |
| 624 Object* SerializeFunctionScope(Scope* scope) { | 648 Object* SerializeFunctionScope(Scope* scope) { |
| 625 HandleScope handle_scope; | 649 HandleScope handle_scope; |
| 626 | 650 |
| 627 Handle<JSArray> scope_info_list = Factory::NewJSArray(10); | 651 Handle<JSArray> scope_info_list = Factory::NewJSArray(10); |
| 628 int scope_info_length = 0; | 652 int scope_info_length = 0; |
| 629 | 653 |
| 630 // Saves some description of scope. It stores name and indexes of | 654 // Saves some description of scope. It stores name and indexes of |
| 631 // variables in the whole scope chain. Null-named slots delimit | 655 // variables in the whole scope chain. Null-named slots delimit |
| 632 // scopes of this chain. | 656 // scopes of this chain. |
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| 669 SetElement(scope_info_list, scope_info_length, | 693 SetElement(scope_info_list, scope_info_length, |
| 670 Handle<Object>(Heap::null_value())); | 694 Handle<Object>(Heap::null_value())); |
| 671 scope_info_length++; | 695 scope_info_length++; |
| 672 | 696 |
| 673 outer_scope = outer_scope->outer_scope(); | 697 outer_scope = outer_scope->outer_scope(); |
| 674 } while (outer_scope != NULL); | 698 } while (outer_scope != NULL); |
| 675 | 699 |
| 676 return *scope_info_list; | 700 return *scope_info_list; |
| 677 } | 701 } |
| 678 | 702 |
| 679 public: | |
| 680 // Saves only function code, because for a script function we | |
| 681 // may never create a SharedFunctionInfo object. | |
| 682 void FunctionCode(Handle<Code> function_code) { | |
| 683 FunctionInfoWrapper info = | |
| 684 FunctionInfoWrapper::cast(result_->GetElement(current_parent_index_)); | |
| 685 info.SetFunctionCode(function_code, Handle<Object>(Heap::null_value())); | |
| 686 } | |
| 687 | |
| 688 // Saves full information about a function: its code, its scope info | |
| 689 // and a SharedFunctionInfo object. | |
| 690 void FunctionInfo(Handle<SharedFunctionInfo> shared, Scope* scope) { | |
| 691 if (!shared->IsSharedFunctionInfo()) { | |
| 692 return; | |
| 693 } | |
| 694 FunctionInfoWrapper info = | |
| 695 FunctionInfoWrapper::cast(result_->GetElement(current_parent_index_)); | |
| 696 info.SetFunctionCode(Handle<Code>(shared->code()), | |
| 697 Handle<Object>(shared->scope_info())); | |
| 698 info.SetSharedFunctionInfo(shared); | |
| 699 | |
| 700 Handle<Object> scope_info_list(SerializeFunctionScope(scope)); | |
| 701 info.SetOuterScopeInfo(scope_info_list); | |
| 702 } | |
| 703 | |
| 704 Handle<JSArray> GetResult() { | |
| 705 return result_; | |
| 706 } | |
| 707 | |
| 708 private: | |
| 709 Handle<JSArray> result_; | 703 Handle<JSArray> result_; |
| 710 int len_; | 704 int len_; |
| 711 int current_parent_index_; | 705 int current_parent_index_; |
| 712 }; | 706 }; |
| 713 | 707 |
| 714 static FunctionInfoListener* active_function_info_listener = NULL; | 708 static FunctionInfoListener* active_function_info_listener = NULL; |
| 715 | 709 |
| 716 JSArray* LiveEdit::GatherCompileInfo(Handle<Script> script, | 710 JSArray* LiveEdit::GatherCompileInfo(Handle<Script> script, |
| 717 Handle<String> source) { | 711 Handle<String> source) { |
| 718 CompilationZoneScope zone_scope(DELETE_ON_EXIT); | 712 CompilationZoneScope zone_scope(DELETE_ON_EXIT); |
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| 1482 | 1476 |
| 1483 bool LiveEditFunctionTracker::IsActive() { | 1477 bool LiveEditFunctionTracker::IsActive() { |
| 1484 return false; | 1478 return false; |
| 1485 } | 1479 } |
| 1486 | 1480 |
| 1487 #endif // ENABLE_DEBUGGER_SUPPORT | 1481 #endif // ENABLE_DEBUGGER_SUPPORT |
| 1488 | 1482 |
| 1489 | 1483 |
| 1490 | 1484 |
| 1491 } } // namespace v8::internal | 1485 } } // namespace v8::internal |
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