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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/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/debug/debug.h" | 9 #include "src/debug/debug.h" |
10 #include "src/isolate-inl.h" | 10 #include "src/isolate-inl.h" |
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1339 // {callable} must have a [[Call]] internal method. | 1339 // {callable} must have a [[Call]] internal method. |
1340 if (!callable->IsCallable()) { | 1340 if (!callable->IsCallable()) { |
1341 THROW_NEW_ERROR_RETURN_FAILURE( | 1341 THROW_NEW_ERROR_RETURN_FAILURE( |
1342 isolate, | 1342 isolate, |
1343 NewTypeError(MessageTemplate::kInstanceofFunctionExpected, callable)); | 1343 NewTypeError(MessageTemplate::kInstanceofFunctionExpected, callable)); |
1344 } | 1344 } |
1345 // If {object} is not a receiver, return false. | 1345 // If {object} is not a receiver, return false. |
1346 if (!object->IsJSReceiver()) { | 1346 if (!object->IsJSReceiver()) { |
1347 return isolate->heap()->false_value(); | 1347 return isolate->heap()->false_value(); |
1348 } | 1348 } |
1349 // Check if {callable} is bound, if so, get [[BoundFunction]] from it and use | 1349 // Check if {callable} is bound, if so, get [[BoundTargetFunction]] from it |
1350 // that instead of {callable}. | 1350 // and use that instead of {callable}. |
1351 if (callable->IsJSFunction()) { | 1351 while (callable->IsJSBoundFunction()) { |
1352 Handle<JSFunction> function = Handle<JSFunction>::cast(callable); | 1352 callable = |
1353 if (function->shared()->bound()) { | 1353 handle(Handle<JSBoundFunction>::cast(callable)->bound_target_function(), |
1354 Handle<BindingsArray> bindings(function->function_bindings(), isolate); | 1354 isolate); |
1355 callable = handle(bindings->bound_function(), isolate); | |
1356 } | |
1357 } | 1355 } |
1358 DCHECK(callable->IsCallable()); | 1356 DCHECK(callable->IsCallable()); |
1359 // Get the "prototype" of {callable}; raise an error if it's not a receiver. | 1357 // Get the "prototype" of {callable}; raise an error if it's not a receiver. |
1360 Handle<Object> prototype; | 1358 Handle<Object> prototype; |
1361 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 1359 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
1362 isolate, prototype, | 1360 isolate, prototype, |
1363 Object::GetProperty(callable, isolate->factory()->prototype_string())); | 1361 Object::GetProperty(callable, isolate->factory()->prototype_string())); |
1364 if (!prototype->IsJSReceiver()) { | 1362 if (!prototype->IsJSReceiver()) { |
1365 THROW_NEW_ERROR_RETURN_FAILURE( | 1363 THROW_NEW_ERROR_RETURN_FAILURE( |
1366 isolate, | 1364 isolate, |
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1414 | 1412 |
1415 RUNTIME_FUNCTION(Runtime_ObjectDefineProperties) { | 1413 RUNTIME_FUNCTION(Runtime_ObjectDefineProperties) { |
1416 HandleScope scope(isolate); | 1414 HandleScope scope(isolate); |
1417 DCHECK(args.length() == 2); | 1415 DCHECK(args.length() == 2); |
1418 CONVERT_ARG_HANDLE_CHECKED(Object, o, 0); | 1416 CONVERT_ARG_HANDLE_CHECKED(Object, o, 0); |
1419 CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1); | 1417 CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1); |
1420 return JSReceiver::DefineProperties(isolate, o, properties); | 1418 return JSReceiver::DefineProperties(isolate, o, properties); |
1421 } | 1419 } |
1422 } // namespace internal | 1420 } // namespace internal |
1423 } // namespace v8 | 1421 } // namespace v8 |
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