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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_entry.h" | 7 #include "vm/dart_entry.h" |
| 8 #include "vm/debugger.h" | 8 #include "vm/debugger.h" |
| 9 #include "vm/flags.h" | 9 #include "vm/flags.h" |
| 10 #include "vm/object.h" | 10 #include "vm/object.h" |
| 11 #include "vm/stack_frame.h" | 11 #include "vm/stack_frame.h" |
| 12 #include "vm/stub_code.h" | 12 #include "vm/stub_code.h" |
| 13 #include "vm/symbols.h" | 13 #include "vm/symbols.h" |
| 14 | 14 |
| 15 namespace dart { | 15 namespace dart { |
| 16 | 16 |
| 17 DEFINE_FLAG(bool, print_stacktrace_at_throw, false, | 17 DEFINE_FLAG(bool, print_stacktrace_at_throw, false, |
| 18 "Prints a stack trace everytime a throw occurs."); | 18 "Prints a stack trace everytime a throw occurs."); |
| 19 | 19 |
| 20 | 20 |
| 21 const char* Exceptions::kCastExceptionDstName = "type cast"; | 21 const char* Exceptions::kCastErrorDstName = "type cast"; |
| 22 | 22 |
| 23 | 23 |
| 24 // Iterate through the stack frames and try to find a frame with an | 24 // Iterate through the stack frames and try to find a frame with an |
| 25 // exception handler. Once found, set the pc, sp and fp so that execution | 25 // exception handler. Once found, set the pc, sp and fp so that execution |
| 26 // can continue in that frame. | 26 // can continue in that frame. |
| 27 static bool FindExceptionHandler(uword* handler_pc, | 27 static bool FindExceptionHandler(uword* handler_pc, |
| 28 uword* handler_sp, | 28 uword* handler_sp, |
| 29 uword* handler_fp, | 29 uword* handler_fp, |
| 30 const GrowableObjectArray& func_list, | 30 const GrowableObjectArray& func_list, |
| 31 const GrowableObjectArray& code_list, | 31 const GrowableObjectArray& code_list, |
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| 249 SetField(instance, cls, "column", Smi::Handle(Smi::New(column))); | 249 SetField(instance, cls, "column", Smi::Handle(Smi::New(column))); |
| 250 } | 250 } |
| 251 | 251 |
| 252 | 252 |
| 253 // Allocate, initialize, and throw a TypeError. | 253 // Allocate, initialize, and throw a TypeError. |
| 254 void Exceptions::CreateAndThrowTypeError(intptr_t location, | 254 void Exceptions::CreateAndThrowTypeError(intptr_t location, |
| 255 const String& src_type_name, | 255 const String& src_type_name, |
| 256 const String& dst_type_name, | 256 const String& dst_type_name, |
| 257 const String& dst_name, | 257 const String& dst_name, |
| 258 const String& malformed_error) { | 258 const String& malformed_error) { |
| 259 // Allocate a new instance of TypeError or CastException. | 259 // Allocate a new instance of TypeError or CastError. |
| 260 Instance& type_error = Instance::Handle(); | 260 Instance& type_error = Instance::Handle(); |
| 261 Class& cls = Class::Handle(); | 261 Class& cls = Class::Handle(); |
| 262 if (dst_name.Equals(kCastExceptionDstName)) { | 262 if (dst_name.Equals(kCastErrorDstName)) { |
| 263 type_error = NewInstance("CastExceptionImplementation"); | 263 type_error = NewInstance("CastErrorImplementation"); |
| 264 cls = type_error.clazz(); | 264 cls = type_error.clazz(); |
| 265 cls = cls.SuperClass(); | 265 cls = cls.SuperClass(); |
| 266 } else { | 266 } else { |
| 267 type_error = NewInstance("TypeErrorImplementation"); | 267 type_error = NewInstance("TypeErrorImplementation"); |
| 268 cls = type_error.clazz(); | 268 cls = type_error.clazz(); |
| 269 } | 269 } |
| 270 | 270 |
| 271 // Initialize 'url', 'line', and 'column' fields. | 271 // Initialize 'url', 'line', and 'column' fields. |
| 272 DartFrameIterator iterator; | 272 DartFrameIterator iterator; |
| 273 const Script& script = Script::Handle(GetCallerScript(&iterator)); | 273 const Script& script = Script::Handle(GetCallerScript(&iterator)); |
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| 432 case kIsolateSpawn: | 432 case kIsolateSpawn: |
| 433 library = Library::IsolateLibrary(); | 433 library = Library::IsolateLibrary(); |
| 434 class_name = Symbols::New("IsolateSpawnException"); | 434 class_name = Symbols::New("IsolateSpawnException"); |
| 435 break; | 435 break; |
| 436 } | 436 } |
| 437 | 437 |
| 438 return DartLibraryCalls::ExceptionCreate(library, class_name, arguments); | 438 return DartLibraryCalls::ExceptionCreate(library, class_name, arguments); |
| 439 } | 439 } |
| 440 | 440 |
| 441 } // namespace dart | 441 } // namespace dart |
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