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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/debugger.h" | 5 #include "vm/debugger.h" |
6 | 6 |
7 #include "include/dart_api.h" | 7 #include "include/dart_api.h" |
8 | 8 |
9 #include "vm/code_generator.h" | 9 #include "vm/code_generator.h" |
10 #include "vm/code_patcher.h" | 10 #include "vm/code_patcher.h" |
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2606 } | 2606 } |
2607 } | 2607 } |
2608 } | 2608 } |
2609 | 2609 |
2610 | 2610 |
2611 // static | 2611 // static |
2612 bool Debugger::IsDebuggable(const Function& func) { | 2612 bool Debugger::IsDebuggable(const Function& func) { |
2613 if (!func.is_debuggable()) { | 2613 if (!func.is_debuggable()) { |
2614 return false; | 2614 return false; |
2615 } | 2615 } |
2616 if (ServiceIsolate::IsRunning()) { | |
2617 return true; | |
2618 } | |
2619 const Class& cls = Class::Handle(func.Owner()); | 2616 const Class& cls = Class::Handle(func.Owner()); |
2620 const Library& lib = Library::Handle(cls.library()); | 2617 const Library& lib = Library::Handle(cls.library()); |
2621 return lib.IsDebuggable(); | 2618 return lib.IsDebuggable(); |
2622 } | 2619 } |
2623 | 2620 |
2624 | 2621 |
2625 void Debugger::SignalPausedEvent(ActivationFrame* top_frame, | 2622 void Debugger::SignalPausedEvent(ActivationFrame* top_frame, |
2626 Breakpoint* bpt) { | 2623 Breakpoint* bpt) { |
2627 resume_action_ = kContinue; | 2624 resume_action_ = kContinue; |
2628 stepping_fp_ = 0; | 2625 stepping_fp_ = 0; |
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2677 // the user is interested in, we ignore the single step if we are | 2674 // the user is interested in, we ignore the single step if we are |
2678 // in a callee of that frame. Note that we assume that the stack | 2675 // in a callee of that frame. Note that we assume that the stack |
2679 // grows towards lower addresses. | 2676 // grows towards lower addresses. |
2680 ActivationFrame* frame = TopDartFrame(); | 2677 ActivationFrame* frame = TopDartFrame(); |
2681 ASSERT(frame != NULL); | 2678 ASSERT(frame != NULL); |
2682 | 2679 |
2683 if (stepping_fp_ != 0) { | 2680 if (stepping_fp_ != 0) { |
2684 // There is an "interesting frame" set. Only pause at appropriate | 2681 // There is an "interesting frame" set. Only pause at appropriate |
2685 // locations in this frame. | 2682 // locations in this frame. |
2686 if (IsCalleeFrameOf(stepping_fp_, frame->fp())) { | 2683 if (IsCalleeFrameOf(stepping_fp_, frame->fp())) { |
2687 // We are i n a callee of the frame we're interested in. | 2684 // We are in a callee of the frame we're interested in. |
2688 // Ignore this stepping break. | 2685 // Ignore this stepping break. |
2689 return Error::null(); | 2686 return Error::null(); |
2690 } else if (IsCalleeFrameOf(frame->fp(), stepping_fp_)) { | 2687 } else if (IsCalleeFrameOf(frame->fp(), stepping_fp_)) { |
2691 // We returned from the "interesting frame", there can be no more | 2688 // We returned from the "interesting frame", there can be no more |
2692 // stepping breaks for it. Pause at the next appropriate location | 2689 // stepping breaks for it. Pause at the next appropriate location |
2693 // and let the user set the "interesting" frame again. | 2690 // and let the user set the "interesting" frame again. |
2694 stepping_fp_ = 0; | 2691 stepping_fp_ = 0; |
2695 } | 2692 } |
2696 } | 2693 } |
2697 | 2694 |
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2856 | 2853 |
2857 | 2854 |
2858 void Debugger::PauseDeveloper(const String& msg) { | 2855 void Debugger::PauseDeveloper(const String& msg) { |
2859 // We ignore this breakpoint when the VM is executing code invoked | 2856 // We ignore this breakpoint when the VM is executing code invoked |
2860 // by the debugger to evaluate variables values, or when we see a nested | 2857 // by the debugger to evaluate variables values, or when we see a nested |
2861 // breakpoint or exception event. | 2858 // breakpoint or exception event. |
2862 if (ignore_breakpoints_ || IsPaused()) { | 2859 if (ignore_breakpoints_ || IsPaused()) { |
2863 return; | 2860 return; |
2864 } | 2861 } |
2865 | 2862 |
2866 if (!NeedsDebugEvents()) { | |
2867 OS::Print("Hit debugger!"); | |
2868 } | |
2869 | |
2870 DebuggerStackTrace* stack_trace = CollectStackTrace(); | 2863 DebuggerStackTrace* stack_trace = CollectStackTrace(); |
2871 ASSERT(stack_trace->Length() > 0); | 2864 ASSERT(stack_trace->Length() > 0); |
2872 ASSERT(stack_trace_ == NULL); | 2865 ASSERT(stack_trace_ == NULL); |
2873 stack_trace_ = stack_trace; | 2866 stack_trace_ = stack_trace; |
2874 | 2867 |
2875 // TODO(johnmccutchan): Send |msg| to Observatory. | 2868 // TODO(johnmccutchan): Send |msg| to Observatory. |
2876 | 2869 |
2877 // We are in the native call to Developer_debugger. the developer | 2870 // We are in the native call to Developer_debugger. the developer |
2878 // gets a better experience by not seeing this call. To accomplish | 2871 // gets a better experience by not seeing this call. To accomplish |
2879 // this, we continue execution until the call exits (step out). | 2872 // this, we continue execution until the call exits (step out). |
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3332 | 3325 |
3333 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) { | 3326 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) { |
3334 ASSERT(bpt->next() == NULL); | 3327 ASSERT(bpt->next() == NULL); |
3335 bpt->set_next(code_breakpoints_); | 3328 bpt->set_next(code_breakpoints_); |
3336 code_breakpoints_ = bpt; | 3329 code_breakpoints_ = bpt; |
3337 } | 3330 } |
3338 | 3331 |
3339 #endif // !PRODUCT | 3332 #endif // !PRODUCT |
3340 | 3333 |
3341 } // namespace dart | 3334 } // namespace dart |
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