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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #include "src/arguments.h" | 7 #include "src/arguments.h" |
| 8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
| 9 #include "src/debug.h" | 9 #include "src/debug.h" |
| 10 #include "src/messages.h" |
| 10 #include "src/runtime/runtime.h" | 11 #include "src/runtime/runtime.h" |
| 11 #include "src/runtime/runtime-utils.h" | 12 #include "src/runtime/runtime-utils.h" |
| 12 | 13 |
| 13 namespace v8 { | 14 namespace v8 { |
| 14 namespace internal { | 15 namespace internal { |
| 15 | 16 |
| 16 // Returns a single character string where first character equals | 17 // Returns a single character string where first character equals |
| 17 // string->Get(index). | 18 // string->Get(index). |
| 18 static Handle<Object> GetCharAt(Handle<String> string, uint32_t index) { | 19 static Handle<Object> GetCharAt(Handle<String> string, uint32_t index) { |
| 19 if (index < static_cast<uint32_t>(string->length())) { | 20 if (index < static_cast<uint32_t>(string->length())) { |
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| 1201 return *isolate->factory()->NewHeapNumber(0); | 1202 return *isolate->factory()->NewHeapNumber(0); |
| 1202 } | 1203 } |
| 1203 | 1204 |
| 1204 | 1205 |
| 1205 static Object* Runtime_NewObjectHelper(Isolate* isolate, | 1206 static Object* Runtime_NewObjectHelper(Isolate* isolate, |
| 1206 Handle<Object> constructor, | 1207 Handle<Object> constructor, |
| 1207 Handle<Object> original_constructor, | 1208 Handle<Object> original_constructor, |
| 1208 Handle<AllocationSite> site) { | 1209 Handle<AllocationSite> site) { |
| 1209 // If the constructor isn't a proper function we throw a type error. | 1210 // If the constructor isn't a proper function we throw a type error. |
| 1210 if (!constructor->IsJSFunction()) { | 1211 if (!constructor->IsJSFunction()) { |
| 1211 Vector<Handle<Object> > arguments = HandleVector(&constructor, 1); | 1212 THROW_NEW_ERROR_RETURN_FAILURE( |
| 1212 THROW_NEW_ERROR_RETURN_FAILURE(isolate, | 1213 isolate, NewTypeError(MessageTemplate::kNotConstructor, constructor)); |
| 1213 NewTypeError("not_constructor", arguments)); | |
| 1214 } | 1214 } |
| 1215 | 1215 |
| 1216 Handle<JSFunction> function = Handle<JSFunction>::cast(constructor); | 1216 Handle<JSFunction> function = Handle<JSFunction>::cast(constructor); |
| 1217 | 1217 |
| 1218 CHECK(original_constructor->IsJSFunction()); | 1218 CHECK(original_constructor->IsJSFunction()); |
| 1219 Handle<JSFunction> original_function = | 1219 Handle<JSFunction> original_function = |
| 1220 Handle<JSFunction>::cast(original_constructor); | 1220 Handle<JSFunction>::cast(original_constructor); |
| 1221 | 1221 |
| 1222 | 1222 |
| 1223 // If function should not have prototype, construction is not allowed. In this | 1223 // If function should not have prototype, construction is not allowed. In this |
| 1224 // case generated code bailouts here, since function has no initial_map. | 1224 // case generated code bailouts here, since function has no initial_map. |
| 1225 if (!function->should_have_prototype() && !function->shared()->bound()) { | 1225 if (!function->should_have_prototype() && !function->shared()->bound()) { |
| 1226 Vector<Handle<Object> > arguments = HandleVector(&constructor, 1); | 1226 THROW_NEW_ERROR_RETURN_FAILURE( |
| 1227 THROW_NEW_ERROR_RETURN_FAILURE(isolate, | 1227 isolate, NewTypeError(MessageTemplate::kNotConstructor, constructor)); |
| 1228 NewTypeError("not_constructor", arguments)); | |
| 1229 } | 1228 } |
| 1230 | 1229 |
| 1231 Debug* debug = isolate->debug(); | 1230 Debug* debug = isolate->debug(); |
| 1232 // Handle stepping into constructors if step into is active. | 1231 // Handle stepping into constructors if step into is active. |
| 1233 if (debug->StepInActive()) { | 1232 if (debug->StepInActive()) { |
| 1234 debug->HandleStepIn(function, Handle<Object>::null(), 0, true); | 1233 debug->HandleStepIn(function, Handle<Object>::null(), 0, true); |
| 1235 } | 1234 } |
| 1236 | 1235 |
| 1237 if (function->has_initial_map()) { | 1236 if (function->has_initial_map()) { |
| 1238 if (function->initial_map()->instance_type() == JS_FUNCTION_TYPE) { | 1237 if (function->initial_map()->instance_type() == JS_FUNCTION_TYPE) { |
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| 1596 CONVERT_PROPERTY_ATTRIBUTES_CHECKED(attrs, 3); | 1595 CONVERT_PROPERTY_ATTRIBUTES_CHECKED(attrs, 3); |
| 1597 | 1596 |
| 1598 RETURN_FAILURE_ON_EXCEPTION( | 1597 RETURN_FAILURE_ON_EXCEPTION( |
| 1599 isolate, | 1598 isolate, |
| 1600 JSObject::DefineAccessor(object, name, isolate->factory()->null_value(), | 1599 JSObject::DefineAccessor(object, name, isolate->factory()->null_value(), |
| 1601 setter, attrs)); | 1600 setter, attrs)); |
| 1602 return isolate->heap()->undefined_value(); | 1601 return isolate->heap()->undefined_value(); |
| 1603 } | 1602 } |
| 1604 } | 1603 } |
| 1605 } // namespace v8::internal | 1604 } // namespace v8::internal |
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