Introduce the Error object class in the vm. It represents all of the

runtime/vm/object_store.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object_store.h"
 
 #include "vm/exceptions.h"
 #include "vm/isolate.h"
 #include "vm/longjump.h"
 #include "vm/object.h"
@@ skipping 18 matching lines @@
     four_byte_string_class_(Class::null()),
     external_one_byte_string_class_(Class::null()),
     external_two_byte_string_class_(Class::null()),
     external_four_byte_string_class_(Class::null()),
     bool_interface_(Type::null()),
     bool_class_(Class::null()),
     list_interface_(Type::null()),
     array_class_(Class::null()),
     immutable_array_class_(Class::null()),
     byte_buffer_class_(Class::null()),
-    unhandled_exception_class_(Class::null()),
     stacktrace_class_(Class::null()),
     jsregexp_class_(Class::null()),
     true_value_(Bool::null()),
     false_value_(Bool::null()),
     empty_array_(Array::null()),
     symbol_table_(Array::null()),
     canonical_type_arguments_(Array::null()),
     core_library_(Library::null()),
     core_impl_library_(Library::null()),
     native_wrappers_library_(Library::null()),
@@ skipping 61 matching lines @@
     case kOneByteStringClass: return one_byte_string_class_;
     case kTwoByteStringClass: return two_byte_string_class_;
     case kFourByteStringClass: return four_byte_string_class_;
     case kExternalOneByteStringClass: return external_one_byte_string_class_;
     case kExternalTwoByteStringClass: return external_two_byte_string_class_;
     case kExternalFourByteStringClass: return external_four_byte_string_class_;
     case kBoolClass: return bool_class_;
     case kArrayClass: return array_class_;
     case kImmutableArrayClass: return immutable_array_class_;
     case kByteBufferClass: return byte_buffer_class_;
-    case kUnhandledExceptionClass: return unhandled_exception_class_;
     case kStacktraceClass: return stacktrace_class_;
     case kJSRegExpClass: return jsregexp_class_;
     default: break;
   }
   UNREACHABLE();
   return Class::null();
 }
 
 
 int ObjectStore::GetClassIndex(const RawClass* raw_class) {
@@ skipping 21 matching lines @@
   } else if (raw_class == external_four_byte_string_class_) {
     return kExternalFourByteStringClass;
   } else if (raw_class == bool_class_) {
     return kBoolClass;
   } else if (raw_class == array_class_) {
     return kArrayClass;
   } else if (raw_class == immutable_array_class_) {
     return kImmutableArrayClass;
   } else if (raw_class == byte_buffer_class_) {
     return kByteBufferClass;
-  } else if (raw_class == unhandled_exception_class_) {
-    return kUnhandledExceptionClass;
   } else if (raw_class == stacktrace_class_) {
     return kStacktraceClass;
   } else if (raw_class == jsregexp_class_) {
     return kJSRegExpClass;
   }
   return kInvalidIndex;
 }
 
 
 RawType* ObjectStore::GetType(int index) {
@@ skipping 38 matching lines @@
     return kBoolInterface;
   } else if (raw_type == string_interface()) {
     return kStringInterface;
   } else if (raw_type == list_interface()) {
     return kListInterface;
   }
   return kInvalidIndex;
 }
 
 }  // namespace dart