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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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/exceptions.h" | 5 #include "vm/exceptions.h" |
| 6 | 6 |
| 7 #include "vm/dart_api_impl.h" | 7 #include "vm/dart_api_impl.h" |
| 8 #include "vm/dart_entry.h" | 8 #include "vm/dart_entry.h" |
| 9 #include "vm/debugger.h" | 9 #include "vm/debugger.h" |
| 10 #include "vm/flags.h" | 10 #include "vm/flags.h" |
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| 136 StubCode::JumpToErrorHandlerEntryPoint()); | 136 StubCode::JumpToErrorHandlerEntryPoint()); |
| 137 func(program_counter, stack_pointer, frame_pointer, raw_error); | 137 func(program_counter, stack_pointer, frame_pointer, raw_error); |
| 138 UNREACHABLE(); | 138 UNREACHABLE(); |
| 139 } | 139 } |
| 140 | 140 |
| 141 | 141 |
| 142 static void ThrowExceptionHelper(const Instance& incoming_exception, | 142 static void ThrowExceptionHelper(const Instance& incoming_exception, |
| 143 const Instance& existing_stacktrace) { | 143 const Instance& existing_stacktrace) { |
| 144 Instance& exception = Instance::Handle(incoming_exception.raw()); | 144 Instance& exception = Instance::Handle(incoming_exception.raw()); |
| 145 if (exception.IsNull()) { | 145 if (exception.IsNull()) { |
| 146 GrowableArray<const Object*> arguments; | 146 const Array& arguments = Array::Handle(Object::empty_array()); |
| 147 exception ^= Exceptions::Create(Exceptions::kNullThrown, arguments); | 147 exception ^= Exceptions::Create(Exceptions::kNullThrown, arguments); |
| 148 } | 148 } |
| 149 uword handler_pc = 0; | 149 uword handler_pc = 0; |
| 150 uword handler_sp = 0; | 150 uword handler_sp = 0; |
| 151 uword handler_fp = 0; | 151 uword handler_fp = 0; |
| 152 const GrowableObjectArray& func_list = | 152 const GrowableObjectArray& func_list = |
| 153 GrowableObjectArray::Handle(GrowableObjectArray::New()); | 153 GrowableObjectArray::Handle(GrowableObjectArray::New()); |
| 154 const GrowableObjectArray& code_list = | 154 const GrowableObjectArray& code_list = |
| 155 GrowableObjectArray::Handle(GrowableObjectArray::New()); | 155 GrowableObjectArray::Handle(GrowableObjectArray::New()); |
| 156 const GrowableObjectArray& pc_offset_list = | 156 const GrowableObjectArray& pc_offset_list = |
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| 371 uword handler_pc = 0; | 371 uword handler_pc = 0; |
| 372 uword handler_sp = 0; | 372 uword handler_sp = 0; |
| 373 uword handler_fp = 0; | 373 uword handler_fp = 0; |
| 374 FindErrorHandler(&handler_pc, &handler_sp, &handler_fp); | 374 FindErrorHandler(&handler_pc, &handler_sp, &handler_fp); |
| 375 JumpToErrorHandler(handler_pc, handler_sp, handler_fp, error); | 375 JumpToErrorHandler(handler_pc, handler_sp, handler_fp, error); |
| 376 } | 376 } |
| 377 UNREACHABLE(); | 377 UNREACHABLE(); |
| 378 } | 378 } |
| 379 | 379 |
| 380 | 380 |
| 381 void Exceptions::ThrowByType( | 381 void Exceptions::ThrowByType(ExceptionType type, const Array& arguments) { |
| 382 ExceptionType type, const GrowableArray<const Object*>& arguments) { | |
| 383 const Object& result = Object::Handle(Create(type, arguments)); | 382 const Object& result = Object::Handle(Create(type, arguments)); |
| 384 if (result.IsError()) { | 383 if (result.IsError()) { |
| 385 // We got an error while constructing the exception object. | 384 // We got an error while constructing the exception object. |
| 386 // Propagate the error instead of throwing the exception. | 385 // Propagate the error instead of throwing the exception. |
| 387 PropagateError(Error::Cast(result)); | 386 PropagateError(Error::Cast(result)); |
| 388 } else { | 387 } else { |
| 389 ASSERT(result.IsInstance()); | 388 ASSERT(result.IsInstance()); |
| 390 Throw(Instance::Cast(result)); | 389 Throw(Instance::Cast(result)); |
| 391 } | 390 } |
| 392 } | 391 } |
| 393 | 392 |
| 394 | 393 |
| 395 RawObject* Exceptions::Create( | 394 RawObject* Exceptions::Create(ExceptionType type, const Array& arguments) { |
| 396 ExceptionType type, const GrowableArray<const Object*>& arguments) { | |
| 397 Library& library = Library::Handle(); | 395 Library& library = Library::Handle(); |
| 398 String& class_name = String::Handle(); | 396 String& class_name = String::Handle(); |
| 399 switch (type) { | 397 switch (type) { |
| 400 case kNone: | 398 case kNone: |
| 401 UNREACHABLE(); | 399 UNREACHABLE(); |
| 402 break; | 400 break; |
| 403 case kRange: | 401 case kRange: |
| 404 library = Library::CoreLibrary(); | 402 library = Library::CoreLibrary(); |
| 405 class_name = Symbols::New("RangeError"); | 403 class_name = Symbols::New("RangeError"); |
| 406 break; | 404 break; |
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| 443 case kIsolateUnhandledException: | 441 case kIsolateUnhandledException: |
| 444 library = Library::IsolateLibrary(); | 442 library = Library::IsolateLibrary(); |
| 445 class_name = Symbols::New("IsolateUnhandledException"); | 443 class_name = Symbols::New("IsolateUnhandledException"); |
| 446 break; | 444 break; |
| 447 } | 445 } |
| 448 | 446 |
| 449 return DartLibraryCalls::ExceptionCreate(library, class_name, arguments); | 447 return DartLibraryCalls::ExceptionCreate(library, class_name, arguments); |
| 450 } | 448 } |
| 451 | 449 |
| 452 } // namespace dart | 450 } // namespace dart |
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