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Issue 10878047: Revert to code state of 3.13.1 plus r12350 (Closed) Base URL: https://v8.googlecode.com/svn/trunk
Patch Set: Created 8 years, 3 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 // 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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90 Isolate* isolate = Isolate::Current(); 90 Isolate* isolate = Isolate::Current();
91 return isolate->stub_cache()->ComputeCallDebugPrepareStepIn(argc, kind); 91 return isolate->stub_cache()->ComputeCallDebugPrepareStepIn(argc, kind);
92 } 92 }
93 93
94 94
95 static v8::Handle<v8::Context> GetDebugEventContext(Isolate* isolate) { 95 static v8::Handle<v8::Context> GetDebugEventContext(Isolate* isolate) {
96 Handle<Context> context = isolate->debug()->debugger_entry()->GetContext(); 96 Handle<Context> context = isolate->debug()->debugger_entry()->GetContext();
97 // Isolate::context() may have been NULL when "script collected" event 97 // Isolate::context() may have been NULL when "script collected" event
98 // occured. 98 // occured.
99 if (context.is_null()) return v8::Local<v8::Context>(); 99 if (context.is_null()) return v8::Local<v8::Context>();
100 Handle<Context> native_context(context->native_context()); 100 Handle<Context> global_context(context->global_context());
101 return v8::Utils::ToLocal(native_context); 101 return v8::Utils::ToLocal(global_context);
102 } 102 }
103 103
104 104
105 BreakLocationIterator::BreakLocationIterator(Handle<DebugInfo> debug_info, 105 BreakLocationIterator::BreakLocationIterator(Handle<DebugInfo> debug_info,
106 BreakLocatorType type) { 106 BreakLocatorType type) {
107 debug_info_ = debug_info; 107 debug_info_ = debug_info;
108 type_ = type; 108 type_ = type;
109 reloc_iterator_ = NULL; 109 reloc_iterator_ = NULL;
110 reloc_iterator_original_ = NULL; 110 reloc_iterator_original_ = NULL;
111 Reset(); // Initialize the rest of the member variables. 111 Reset(); // Initialize the rest of the member variables.
(...skipping 643 matching lines...) Expand 10 before | Expand all | Expand 10 after
755 NATIVES_CODE); 755 NATIVES_CODE);
756 756
757 // Silently ignore stack overflows during compilation. 757 // Silently ignore stack overflows during compilation.
758 if (function_info.is_null()) { 758 if (function_info.is_null()) {
759 ASSERT(isolate->has_pending_exception()); 759 ASSERT(isolate->has_pending_exception());
760 isolate->clear_pending_exception(); 760 isolate->clear_pending_exception();
761 return false; 761 return false;
762 } 762 }
763 763
764 // Execute the shared function in the debugger context. 764 // Execute the shared function in the debugger context.
765 Handle<Context> context = isolate->native_context(); 765 Handle<Context> context = isolate->global_context();
766 bool caught_exception; 766 bool caught_exception;
767 Handle<JSFunction> function = 767 Handle<JSFunction> function =
768 factory->NewFunctionFromSharedFunctionInfo(function_info, context); 768 factory->NewFunctionFromSharedFunctionInfo(function_info, context);
769 769
770 Handle<Object> exception = 770 Handle<Object> exception =
771 Execution::TryCall(function, Handle<Object>(context->global_object()), 771 Execution::TryCall(function, Handle<Object>(context->global()),
772 0, NULL, &caught_exception); 772 0, NULL, &caught_exception);
773 773
774 // Check for caught exceptions. 774 // Check for caught exceptions.
775 if (caught_exception) { 775 if (caught_exception) {
776 ASSERT(!isolate->has_pending_exception()); 776 ASSERT(!isolate->has_pending_exception());
777 MessageLocation computed_location; 777 MessageLocation computed_location;
778 isolate->ComputeLocation(&computed_location); 778 isolate->ComputeLocation(&computed_location);
779 Handle<Object> message = MessageHandler::MakeMessageObject( 779 Handle<Object> message = MessageHandler::MakeMessageObject(
780 "error_loading_debugger", &computed_location, 780 "error_loading_debugger", &computed_location,
781 Vector<Handle<Object> >::empty(), Handle<String>(), Handle<JSArray>()); 781 Vector<Handle<Object> >::empty(), Handle<String>(), Handle<JSArray>());
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822 822
823 // Fail if no context could be created. 823 // Fail if no context could be created.
824 if (context.is_null()) return false; 824 if (context.is_null()) return false;
825 825
826 // Use the debugger context. 826 // Use the debugger context.
827 SaveContext save(isolate_); 827 SaveContext save(isolate_);
828 isolate_->set_context(*context); 828 isolate_->set_context(*context);
829 829
830 // Expose the builtins object in the debugger context. 830 // Expose the builtins object in the debugger context.
831 Handle<String> key = isolate_->factory()->LookupAsciiSymbol("builtins"); 831 Handle<String> key = isolate_->factory()->LookupAsciiSymbol("builtins");
832 Handle<GlobalObject> global = Handle<GlobalObject>(context->global_object()); 832 Handle<GlobalObject> global = Handle<GlobalObject>(context->global());
833 RETURN_IF_EMPTY_HANDLE_VALUE( 833 RETURN_IF_EMPTY_HANDLE_VALUE(
834 isolate_, 834 isolate_,
835 JSReceiver::SetProperty(global, key, Handle<Object>(global->builtins()), 835 JSReceiver::SetProperty(global, key, Handle<Object>(global->builtins()),
836 NONE, kNonStrictMode), 836 NONE, kNonStrictMode),
837 false); 837 false);
838 838
839 // Compile the JavaScript for the debugger in the debugger context. 839 // Compile the JavaScript for the debugger in the debugger context.
840 debugger->set_compiling_natives(true); 840 debugger->set_compiling_natives(true);
841 bool caught_exception = 841 bool caught_exception =
842 !CompileDebuggerScript(Natives::GetIndex("mirror")) || 842 !CompileDebuggerScript(Natives::GetIndex("mirror")) ||
(...skipping 245 matching lines...) Expand 10 before | Expand all | Expand 10 after
1088 HandleScope scope(isolate_); 1088 HandleScope scope(isolate_);
1089 1089
1090 // Ignore check if break point object is not a JSObject. 1090 // Ignore check if break point object is not a JSObject.
1091 if (!break_point_object->IsJSObject()) return true; 1091 if (!break_point_object->IsJSObject()) return true;
1092 1092
1093 // Get the function IsBreakPointTriggered (defined in debug-debugger.js). 1093 // Get the function IsBreakPointTriggered (defined in debug-debugger.js).
1094 Handle<String> is_break_point_triggered_symbol = 1094 Handle<String> is_break_point_triggered_symbol =
1095 factory->LookupAsciiSymbol("IsBreakPointTriggered"); 1095 factory->LookupAsciiSymbol("IsBreakPointTriggered");
1096 Handle<JSFunction> check_break_point = 1096 Handle<JSFunction> check_break_point =
1097 Handle<JSFunction>(JSFunction::cast( 1097 Handle<JSFunction>(JSFunction::cast(
1098 debug_context()->global_object()->GetPropertyNoExceptionThrown( 1098 debug_context()->global()->GetPropertyNoExceptionThrown(
1099 *is_break_point_triggered_symbol))); 1099 *is_break_point_triggered_symbol)));
1100 1100
1101 // Get the break id as an object. 1101 // Get the break id as an object.
1102 Handle<Object> break_id = factory->NewNumberFromInt(Debug::break_id()); 1102 Handle<Object> break_id = factory->NewNumberFromInt(Debug::break_id());
1103 1103
1104 // Call HandleBreakPointx. 1104 // Call HandleBreakPointx.
1105 bool caught_exception; 1105 bool caught_exception;
1106 Handle<Object> argv[] = { break_id, break_point_object }; 1106 Handle<Object> argv[] = { break_id, break_point_object };
1107 Handle<Object> result = Execution::TryCall(check_break_point, 1107 Handle<Object> result = Execution::TryCall(check_break_point,
1108 isolate_->js_builtins_object(), 1108 isolate_->js_builtins_object(),
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2292 2292
2293 2293
2294 const int Debug::FramePaddingLayout::kInitialSize = 1; 2294 const int Debug::FramePaddingLayout::kInitialSize = 1;
2295 2295
2296 2296
2297 // Any even value bigger than kInitialSize as needed for stack scanning. 2297 // Any even value bigger than kInitialSize as needed for stack scanning.
2298 const int Debug::FramePaddingLayout::kPaddingValue = kInitialSize + 1; 2298 const int Debug::FramePaddingLayout::kPaddingValue = kInitialSize + 1;
2299 2299
2300 2300
2301 bool Debug::IsDebugGlobal(GlobalObject* global) { 2301 bool Debug::IsDebugGlobal(GlobalObject* global) {
2302 return IsLoaded() && global == debug_context()->global_object(); 2302 return IsLoaded() && global == debug_context()->global();
2303 } 2303 }
2304 2304
2305 2305
2306 void Debug::ClearMirrorCache() { 2306 void Debug::ClearMirrorCache() {
2307 PostponeInterruptsScope postpone(isolate_); 2307 PostponeInterruptsScope postpone(isolate_);
2308 HandleScope scope(isolate_); 2308 HandleScope scope(isolate_);
2309 ASSERT(isolate_->context() == *Debug::debug_context()); 2309 ASSERT(isolate_->context() == *Debug::debug_context());
2310 2310
2311 // Clear the mirror cache. 2311 // Clear the mirror cache.
2312 Handle<String> function_name = 2312 Handle<String> function_name =
2313 isolate_->factory()->LookupSymbol(CStrVector("ClearMirrorCache")); 2313 isolate_->factory()->LookupSymbol(CStrVector("ClearMirrorCache"));
2314 Handle<Object> fun( 2314 Handle<Object> fun(Isolate::Current()->global()->GetPropertyNoExceptionThrown(
2315 Isolate::Current()->global_object()->GetPropertyNoExceptionThrown(
2316 *function_name)); 2315 *function_name));
2317 ASSERT(fun->IsJSFunction()); 2316 ASSERT(fun->IsJSFunction());
2318 bool caught_exception; 2317 bool caught_exception;
2319 Execution::TryCall(Handle<JSFunction>::cast(fun), 2318 Execution::TryCall(Handle<JSFunction>::cast(fun),
2320 Handle<JSObject>(Debug::debug_context()->global_object()), 2319 Handle<JSObject>(Debug::debug_context()->global()),
2321 0, NULL, &caught_exception); 2320 0, NULL, &caught_exception);
2322 } 2321 }
2323 2322
2324 2323
2325 void Debug::CreateScriptCache() { 2324 void Debug::CreateScriptCache() {
2326 Heap* heap = isolate_->heap(); 2325 Heap* heap = isolate_->heap();
2327 HandleScope scope(isolate_); 2326 HandleScope scope(isolate_);
2328 2327
2329 // Perform two GCs to get rid of all unreferenced scripts. The first GC gets 2328 // Perform two GCs to get rid of all unreferenced scripts. The first GC gets
2330 // rid of all the cached script wrappers and the second gets rid of the 2329 // rid of all the cached script wrappers and the second gets rid of the
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2432 Handle<Object> Debugger::MakeJSObject(Vector<const char> constructor_name, 2431 Handle<Object> Debugger::MakeJSObject(Vector<const char> constructor_name,
2433 int argc, 2432 int argc,
2434 Handle<Object> argv[], 2433 Handle<Object> argv[],
2435 bool* caught_exception) { 2434 bool* caught_exception) {
2436 ASSERT(isolate_->context() == *isolate_->debug()->debug_context()); 2435 ASSERT(isolate_->context() == *isolate_->debug()->debug_context());
2437 2436
2438 // Create the execution state object. 2437 // Create the execution state object.
2439 Handle<String> constructor_str = 2438 Handle<String> constructor_str =
2440 isolate_->factory()->LookupSymbol(constructor_name); 2439 isolate_->factory()->LookupSymbol(constructor_name);
2441 Handle<Object> constructor( 2440 Handle<Object> constructor(
2442 isolate_->global_object()->GetPropertyNoExceptionThrown( 2441 isolate_->global()->GetPropertyNoExceptionThrown(*constructor_str));
2443 *constructor_str));
2444 ASSERT(constructor->IsJSFunction()); 2442 ASSERT(constructor->IsJSFunction());
2445 if (!constructor->IsJSFunction()) { 2443 if (!constructor->IsJSFunction()) {
2446 *caught_exception = true; 2444 *caught_exception = true;
2447 return isolate_->factory()->undefined_value(); 2445 return isolate_->factory()->undefined_value();
2448 } 2446 }
2449 Handle<Object> js_object = Execution::TryCall( 2447 Handle<Object> js_object = Execution::TryCall(
2450 Handle<JSFunction>::cast(constructor), 2448 Handle<JSFunction>::cast(constructor),
2451 Handle<JSObject>(isolate_->debug()->debug_context()->global_object()), 2449 Handle<JSObject>(isolate_->debug()->debug_context()->global()),
2452 argc, 2450 argc,
2453 argv, 2451 argv,
2454 caught_exception); 2452 caught_exception);
2455 return js_object; 2453 return js_object;
2456 } 2454 }
2457 2455
2458 2456
2459 Handle<Object> Debugger::MakeExecutionState(bool* caught_exception) { 2457 Handle<Object> Debugger::MakeExecutionState(bool* caught_exception) {
2460 // Create the execution state object. 2458 // Create the execution state object.
2461 Handle<Object> break_id = isolate_->factory()->NewNumberFromInt( 2459 Handle<Object> break_id = isolate_->factory()->NewNumberFromInt(
(...skipping 201 matching lines...) Expand 10 before | Expand all | Expand 10 after
2663 EnterDebugger debugger; 2661 EnterDebugger debugger;
2664 if (debugger.FailedToEnter()) return; 2662 if (debugger.FailedToEnter()) return;
2665 2663
2666 // If debugging there might be script break points registered for this 2664 // If debugging there might be script break points registered for this
2667 // script. Make sure that these break points are set. 2665 // script. Make sure that these break points are set.
2668 2666
2669 // Get the function UpdateScriptBreakPoints (defined in debug-debugger.js). 2667 // Get the function UpdateScriptBreakPoints (defined in debug-debugger.js).
2670 Handle<String> update_script_break_points_symbol = 2668 Handle<String> update_script_break_points_symbol =
2671 isolate_->factory()->LookupAsciiSymbol("UpdateScriptBreakPoints"); 2669 isolate_->factory()->LookupAsciiSymbol("UpdateScriptBreakPoints");
2672 Handle<Object> update_script_break_points = 2670 Handle<Object> update_script_break_points =
2673 Handle<Object>(debug->debug_context()->global_object()-> 2671 Handle<Object>(debug->debug_context()->global()->
2674 GetPropertyNoExceptionThrown(*update_script_break_points_symbol)); 2672 GetPropertyNoExceptionThrown(*update_script_break_points_symbol));
2675 if (!update_script_break_points->IsJSFunction()) { 2673 if (!update_script_break_points->IsJSFunction()) {
2676 return; 2674 return;
2677 } 2675 }
2678 ASSERT(update_script_break_points->IsJSFunction()); 2676 ASSERT(update_script_break_points->IsJSFunction());
2679 2677
2680 // Wrap the script object in a proper JS object before passing it 2678 // Wrap the script object in a proper JS object before passing it
2681 // to JavaScript. 2679 // to JavaScript.
2682 Handle<JSValue> wrapper = GetScriptWrapper(script); 2680 Handle<JSValue> wrapper = GetScriptWrapper(script);
2683 2681
(...skipping 135 matching lines...) Expand 10 before | Expand all | Expand 10 after
2819 ASSERT(event_listener_->IsJSFunction()); 2817 ASSERT(event_listener_->IsJSFunction());
2820 Handle<JSFunction> fun(Handle<JSFunction>::cast(event_listener_)); 2818 Handle<JSFunction> fun(Handle<JSFunction>::cast(event_listener_));
2821 2819
2822 // Invoke the JavaScript debug event listener. 2820 // Invoke the JavaScript debug event listener.
2823 Handle<Object> argv[] = { Handle<Object>(Smi::FromInt(event)), 2821 Handle<Object> argv[] = { Handle<Object>(Smi::FromInt(event)),
2824 exec_state, 2822 exec_state,
2825 event_data, 2823 event_data,
2826 event_listener_data_ }; 2824 event_listener_data_ };
2827 bool caught_exception; 2825 bool caught_exception;
2828 Execution::TryCall(fun, 2826 Execution::TryCall(fun,
2829 isolate_->global_object(), 2827 isolate_->global(),
2830 ARRAY_SIZE(argv), 2828 ARRAY_SIZE(argv),
2831 argv, 2829 argv,
2832 &caught_exception); 2830 &caught_exception);
2833 // Silently ignore exceptions from debug event listeners. 2831 // Silently ignore exceptions from debug event listeners.
2834 } 2832 }
2835 2833
2836 2834
2837 Handle<Context> Debugger::GetDebugContext() { 2835 Handle<Context> Debugger::GetDebugContext() {
2838 never_unload_debugger_ = true; 2836 never_unload_debugger_ = true;
2839 EnterDebugger debugger; 2837 EnterDebugger debugger;
(...skipping 815 matching lines...) Expand 10 before | Expand all | Expand 10 after
3655 { 3653 {
3656 Locker locker; 3654 Locker locker;
3657 Isolate::Current()->debugger()->CallMessageDispatchHandler(); 3655 Isolate::Current()->debugger()->CallMessageDispatchHandler();
3658 } 3656 }
3659 } 3657 }
3660 } 3658 }
3661 3659
3662 #endif // ENABLE_DEBUGGER_SUPPORT 3660 #endif // ENABLE_DEBUGGER_SUPPORT
3663 3661
3664 } } // namespace v8::internal 3662 } } // namespace v8::internal
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