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Issue 1297803003: Revert of Remove property loads from js builtins objects from runtime. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 4 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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 #include <stdlib.h> 5 #include <stdlib.h>
6 6
7 #include <fstream> // NOLINT(readability/streams) 7 #include <fstream> // NOLINT(readability/streams)
8 #include <sstream> 8 #include <sstream>
9 9
10 #include "src/v8.h" 10 #include "src/v8.h"
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838 838
839 const char* const Isolate::kStackOverflowMessage = 839 const char* const Isolate::kStackOverflowMessage =
840 "Uncaught RangeError: Maximum call stack size exceeded"; 840 "Uncaught RangeError: Maximum call stack size exceeded";
841 841
842 842
843 Object* Isolate::StackOverflow() { 843 Object* Isolate::StackOverflow() {
844 HandleScope scope(this); 844 HandleScope scope(this);
845 // At this point we cannot create an Error object using its javascript 845 // At this point we cannot create an Error object using its javascript
846 // constructor. Instead, we copy the pre-constructed boilerplate and 846 // constructor. Instead, we copy the pre-constructed boilerplate and
847 // attach the stack trace as a hidden property. 847 // attach the stack trace as a hidden property.
848 Handle<Object> exception; 848 Handle<String> key = factory()->stack_overflow_string();
849 if (bootstrapper()->IsActive()) { 849 Handle<Object> boilerplate =
850 // There is no boilerplate to use during bootstrapping. 850 Object::GetProperty(js_builtins_object(), key).ToHandleChecked();
851 exception = factory()->NewStringFromAsciiChecked( 851 if (boilerplate->IsUndefined()) {
852 MessageTemplate::TemplateString(MessageTemplate::kStackOverflow)); 852 return Throw(heap()->undefined_value(), nullptr);
853 } else {
854 Handle<JSObject> boilerplate = stack_overflow_boilerplate();
855 Handle<JSObject> copy = factory()->CopyJSObject(boilerplate);
856 CaptureAndSetSimpleStackTrace(copy, factory()->undefined_value());
857 exception = copy;
858 } 853 }
854 Handle<JSObject> exception =
855 factory()->CopyJSObject(Handle<JSObject>::cast(boilerplate));
859 Throw(*exception, nullptr); 856 Throw(*exception, nullptr);
860 857
858 CaptureAndSetSimpleStackTrace(exception, factory()->undefined_value());
861 #ifdef VERIFY_HEAP 859 #ifdef VERIFY_HEAP
862 if (FLAG_verify_heap && FLAG_stress_compaction) { 860 if (FLAG_verify_heap && FLAG_stress_compaction) {
863 heap()->CollectAllAvailableGarbage("trigger compaction"); 861 heap()->CollectAllAvailableGarbage("trigger compaction");
864 } 862 }
865 #endif // VERIFY_HEAP 863 #endif // VERIFY_HEAP
866 864
867 return heap()->exception(); 865 return heap()->exception();
868 } 866 }
869 867
870 868
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2817 // Then check whether this scope intercepts. 2815 // Then check whether this scope intercepts.
2818 if ((flag & intercept_mask_)) { 2816 if ((flag & intercept_mask_)) {
2819 intercepted_flags_ |= flag; 2817 intercepted_flags_ |= flag;
2820 return true; 2818 return true;
2821 } 2819 }
2822 return false; 2820 return false;
2823 } 2821 }
2824 2822
2825 } // namespace internal 2823 } // namespace internal
2826 } // namespace v8 2824 } // namespace v8
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