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Issue 1417243002: [es6] Partially implement Reflect.setPrototypeOf. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 2 months ago
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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/runtime/runtime-utils.h" 5 #include "src/runtime/runtime-utils.h"
6 6
7 #include "src/arguments.h" 7 #include "src/arguments.h"
8 #include "src/conversions-inl.h" 8 #include "src/conversions-inl.h"
9 #include "src/elements.h" 9 #include "src/elements.h"
10 #include "src/factory.h" 10 #include "src/factory.h"
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313 site->SetDoNotInlineCall(); 313 site->SetDoNotInlineCall();
314 } 314 }
315 315
316 // Set up the prototoype using original function. 316 // Set up the prototoype using original function.
317 // TODO(dslomov): instead of setting the __proto__, 317 // TODO(dslomov): instead of setting the __proto__,
318 // use and cache the correct map. 318 // use and cache the correct map.
319 if (*original_constructor != *constructor) { 319 if (*original_constructor != *constructor) {
320 if (original_constructor->has_instance_prototype()) { 320 if (original_constructor->has_instance_prototype()) {
321 Handle<Object> prototype = 321 Handle<Object> prototype =
322 handle(original_constructor->instance_prototype(), isolate); 322 handle(original_constructor->instance_prototype(), isolate);
323 RETURN_FAILURE_ON_EXCEPTION( 323 MAYBE_RETURN(
324 isolate, JSObject::SetPrototype(array, prototype, false)); 324 JSObject::SetPrototype(array, prototype, false, THROW_ON_ERROR),
325 isolate->heap()->exception());
325 } 326 }
326 } 327 }
327 328
328 return *array; 329 return *array;
329 } 330 }
330 331
331 332
332 RUNTIME_FUNCTION(Runtime_ArrayConstructor) { 333 RUNTIME_FUNCTION(Runtime_ArrayConstructor) {
333 HandleScope scope(isolate); 334 HandleScope scope(isolate);
334 // If we get 2 arguments then they are the stub parameters (constructor, type 335 // If we get 2 arguments then they are the stub parameters (constructor, type
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491 492
492 RUNTIME_FUNCTION(Runtime_FastOneByteArrayJoin) { 493 RUNTIME_FUNCTION(Runtime_FastOneByteArrayJoin) {
493 SealHandleScope shs(isolate); 494 SealHandleScope shs(isolate);
494 DCHECK(args.length() == 2); 495 DCHECK(args.length() == 2);
495 // Returning undefined means that this fast path fails and one has to resort 496 // Returning undefined means that this fast path fails and one has to resort
496 // to a slow path. 497 // to a slow path.
497 return isolate->heap()->undefined_value(); 498 return isolate->heap()->undefined_value();
498 } 499 }
499 } // namespace internal 500 } // namespace internal
500 } // namespace v8 501 } // namespace v8
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