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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/runtime/runtime.h" | 10 #include "src/runtime/runtime.h" |
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1272 | 1272 |
1273 RUNTIME_FUNCTION(Runtime_AllocateHeapNumber) { | 1273 RUNTIME_FUNCTION(Runtime_AllocateHeapNumber) { |
1274 HandleScope scope(isolate); | 1274 HandleScope scope(isolate); |
1275 DCHECK(args.length() == 0); | 1275 DCHECK(args.length() == 0); |
1276 return *isolate->factory()->NewHeapNumber(0); | 1276 return *isolate->factory()->NewHeapNumber(0); |
1277 } | 1277 } |
1278 | 1278 |
1279 | 1279 |
1280 static Object* Runtime_NewObjectHelper(Isolate* isolate, | 1280 static Object* Runtime_NewObjectHelper(Isolate* isolate, |
1281 Handle<Object> constructor, | 1281 Handle<Object> constructor, |
| 1282 Handle<Object> original_constructor, |
1282 Handle<AllocationSite> site) { | 1283 Handle<AllocationSite> site) { |
| 1284 // TODO(dslomov): implement prototype rewiring. |
| 1285 // The check below is a sanity check. |
| 1286 CHECK(*constructor == *original_constructor); |
| 1287 |
1283 // If the constructor isn't a proper function we throw a type error. | 1288 // If the constructor isn't a proper function we throw a type error. |
1284 if (!constructor->IsJSFunction()) { | 1289 if (!constructor->IsJSFunction()) { |
1285 Vector<Handle<Object> > arguments = HandleVector(&constructor, 1); | 1290 Vector<Handle<Object> > arguments = HandleVector(&constructor, 1); |
1286 THROW_NEW_ERROR_RETURN_FAILURE(isolate, | 1291 THROW_NEW_ERROR_RETURN_FAILURE(isolate, |
1287 NewTypeError("not_constructor", arguments)); | 1292 NewTypeError("not_constructor", arguments)); |
1288 } | 1293 } |
1289 | 1294 |
1290 Handle<JSFunction> function = Handle<JSFunction>::cast(constructor); | 1295 Handle<JSFunction> function = Handle<JSFunction>::cast(constructor); |
1291 | 1296 |
1292 // If function should not have prototype, construction is not allowed. In this | 1297 // If function should not have prototype, construction is not allowed. In this |
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1333 | 1338 |
1334 isolate->counters()->constructed_objects()->Increment(); | 1339 isolate->counters()->constructed_objects()->Increment(); |
1335 isolate->counters()->constructed_objects_runtime()->Increment(); | 1340 isolate->counters()->constructed_objects_runtime()->Increment(); |
1336 | 1341 |
1337 return *result; | 1342 return *result; |
1338 } | 1343 } |
1339 | 1344 |
1340 | 1345 |
1341 RUNTIME_FUNCTION(Runtime_NewObject) { | 1346 RUNTIME_FUNCTION(Runtime_NewObject) { |
1342 HandleScope scope(isolate); | 1347 HandleScope scope(isolate); |
1343 DCHECK(args.length() == 1); | 1348 DCHECK(args.length() == 2); |
1344 CONVERT_ARG_HANDLE_CHECKED(Object, constructor, 0); | 1349 CONVERT_ARG_HANDLE_CHECKED(Object, constructor, 0); |
1345 return Runtime_NewObjectHelper(isolate, constructor, | 1350 CONVERT_ARG_HANDLE_CHECKED(Object, original_constructor, 1); |
| 1351 return Runtime_NewObjectHelper(isolate, constructor, original_constructor, |
1346 Handle<AllocationSite>::null()); | 1352 Handle<AllocationSite>::null()); |
1347 } | 1353 } |
1348 | 1354 |
1349 | 1355 |
1350 RUNTIME_FUNCTION(Runtime_NewObjectWithAllocationSite) { | 1356 RUNTIME_FUNCTION(Runtime_NewObjectWithAllocationSite) { |
1351 HandleScope scope(isolate); | 1357 HandleScope scope(isolate); |
1352 DCHECK(args.length() == 2); | 1358 DCHECK(args.length() == 3); |
| 1359 CONVERT_ARG_HANDLE_CHECKED(Object, original_constructor, 2); |
1353 CONVERT_ARG_HANDLE_CHECKED(Object, constructor, 1); | 1360 CONVERT_ARG_HANDLE_CHECKED(Object, constructor, 1); |
1354 CONVERT_ARG_HANDLE_CHECKED(Object, feedback, 0); | 1361 CONVERT_ARG_HANDLE_CHECKED(Object, feedback, 0); |
1355 Handle<AllocationSite> site; | 1362 Handle<AllocationSite> site; |
1356 if (feedback->IsAllocationSite()) { | 1363 if (feedback->IsAllocationSite()) { |
1357 // The feedback can be an AllocationSite or undefined. | 1364 // The feedback can be an AllocationSite or undefined. |
1358 site = Handle<AllocationSite>::cast(feedback); | 1365 site = Handle<AllocationSite>::cast(feedback); |
1359 } | 1366 } |
1360 return Runtime_NewObjectHelper(isolate, constructor, site); | 1367 return Runtime_NewObjectHelper(isolate, constructor, original_constructor, |
| 1368 site); |
1361 } | 1369 } |
1362 | 1370 |
1363 | 1371 |
1364 RUNTIME_FUNCTION(Runtime_FinalizeInstanceSize) { | 1372 RUNTIME_FUNCTION(Runtime_FinalizeInstanceSize) { |
1365 HandleScope scope(isolate); | 1373 HandleScope scope(isolate); |
1366 DCHECK(args.length() == 1); | 1374 DCHECK(args.length() == 1); |
1367 | 1375 |
1368 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); | 1376 CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 0); |
1369 function->CompleteInobjectSlackTracking(); | 1377 function->CompleteInobjectSlackTracking(); |
1370 | 1378 |
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1628 CONVERT_ARG_HANDLE_CHECKED(JSFunction, setter, 2); | 1636 CONVERT_ARG_HANDLE_CHECKED(JSFunction, setter, 2); |
1629 | 1637 |
1630 RETURN_FAILURE_ON_EXCEPTION( | 1638 RETURN_FAILURE_ON_EXCEPTION( |
1631 isolate, | 1639 isolate, |
1632 JSObject::DefineAccessor(object, name, isolate->factory()->null_value(), | 1640 JSObject::DefineAccessor(object, name, isolate->factory()->null_value(), |
1633 setter, NONE)); | 1641 setter, NONE)); |
1634 return isolate->heap()->undefined_value(); | 1642 return isolate->heap()->undefined_value(); |
1635 } | 1643 } |
1636 } | 1644 } |
1637 } // namespace v8::internal | 1645 } // namespace v8::internal |
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