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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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284 PropertyDescriptor desc; | 284 PropertyDescriptor desc; |
285 Maybe<bool> found = JSReceiver::GetOwnPropertyDescriptor( | 285 Maybe<bool> found = JSReceiver::GetOwnPropertyDescriptor( |
286 isolate, Handle<JSReceiver>::cast(object), key, &desc); | 286 isolate, Handle<JSReceiver>::cast(object), key, &desc); |
287 MAYBE_RETURN(found, isolate->heap()->exception()); | 287 MAYBE_RETURN(found, isolate->heap()->exception()); |
288 // 4. Return FromPropertyDescriptor(desc). | 288 // 4. Return FromPropertyDescriptor(desc). |
289 if (!found.FromJust()) return isolate->heap()->undefined_value(); | 289 if (!found.FromJust()) return isolate->heap()->undefined_value(); |
290 return *desc.ToObject(isolate); | 290 return *desc.ToObject(isolate); |
291 } | 291 } |
292 | 292 |
293 | 293 |
294 RUNTIME_FUNCTION(Runtime_PreventExtensions) { | |
295 HandleScope scope(isolate); | |
296 DCHECK(args.length() == 1); | |
297 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, obj, 0); | |
298 MAYBE_RETURN(JSReceiver::PreventExtensions(obj, Object::THROW_ON_ERROR), | |
299 isolate->heap()->exception()); | |
300 return *obj; | |
301 } | |
302 | |
303 | |
304 RUNTIME_FUNCTION(Runtime_IsExtensible) { | |
305 HandleScope scope(isolate); | |
306 DCHECK(args.length() == 1); | |
307 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, obj, 0); | |
308 Maybe<bool> result = JSReceiver::IsExtensible(obj); | |
309 MAYBE_RETURN(result, isolate->heap()->exception()); | |
310 return isolate->heap()->ToBoolean(result.FromJust()); | |
311 } | |
312 | |
313 | |
314 RUNTIME_FUNCTION(Runtime_OptimizeObjectForAddingMultipleProperties) { | 294 RUNTIME_FUNCTION(Runtime_OptimizeObjectForAddingMultipleProperties) { |
315 HandleScope scope(isolate); | 295 HandleScope scope(isolate); |
316 DCHECK(args.length() == 2); | 296 DCHECK(args.length() == 2); |
317 CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0); | 297 CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0); |
318 CONVERT_SMI_ARG_CHECKED(properties, 1); | 298 CONVERT_SMI_ARG_CHECKED(properties, 1); |
319 // Conservative upper limit to prevent fuzz tests from going OOM. | 299 // Conservative upper limit to prevent fuzz tests from going OOM. |
320 RUNTIME_ASSERT(properties <= 100000); | 300 RUNTIME_ASSERT(properties <= 100000); |
321 if (object->HasFastProperties() && !object->IsJSGlobalProxy()) { | 301 if (object->HasFastProperties() && !object->IsJSGlobalProxy()) { |
322 JSObject::NormalizeProperties(object, KEEP_INOBJECT_PROPERTIES, properties, | 302 JSObject::NormalizeProperties(object, KEEP_INOBJECT_PROPERTIES, properties, |
323 "OptimizeForAdding"); | 303 "OptimizeForAdding"); |
324 } | 304 } |
325 return *object; | 305 return *object; |
326 } | 306 } |
327 | 307 |
328 | 308 |
329 RUNTIME_FUNCTION(Runtime_ObjectFreeze) { | |
330 HandleScope scope(isolate); | |
331 DCHECK(args.length() == 1); | |
332 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0); | |
333 | |
334 MAYBE_RETURN( | |
335 JSReceiver::SetIntegrityLevel(object, FROZEN, Object::THROW_ON_ERROR), | |
336 isolate->heap()->exception()); | |
337 return *object; | |
338 } | |
339 | |
340 | |
341 RUNTIME_FUNCTION(Runtime_ObjectIsFrozen) { | |
342 HandleScope scope(isolate); | |
343 DCHECK(args.length() == 1); | |
344 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0); | |
345 | |
346 Maybe<bool> result = JSReceiver::TestIntegrityLevel(object, FROZEN); | |
347 MAYBE_RETURN(result, isolate->heap()->exception()); | |
348 return isolate->heap()->ToBoolean(result.FromJust()); | |
349 } | |
350 | |
351 | |
352 RUNTIME_FUNCTION(Runtime_ObjectSeal) { | |
353 HandleScope scope(isolate); | |
354 DCHECK(args.length() == 1); | |
355 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0); | |
356 | |
357 MAYBE_RETURN( | |
358 JSReceiver::SetIntegrityLevel(object, SEALED, Object::THROW_ON_ERROR), | |
359 isolate->heap()->exception()); | |
360 return *object; | |
361 } | |
362 | |
363 | |
364 RUNTIME_FUNCTION(Runtime_ObjectIsSealed) { | |
365 HandleScope scope(isolate); | |
366 DCHECK(args.length() == 1); | |
367 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, object, 0); | |
368 | |
369 Maybe<bool> result = JSReceiver::TestIntegrityLevel(object, SEALED); | |
370 MAYBE_RETURN(result, isolate->heap()->exception()); | |
371 return isolate->heap()->ToBoolean(result.FromJust()); | |
372 } | |
373 | |
374 | |
375 RUNTIME_FUNCTION(Runtime_LoadGlobalViaContext) { | 309 RUNTIME_FUNCTION(Runtime_LoadGlobalViaContext) { |
376 HandleScope scope(isolate); | 310 HandleScope scope(isolate); |
377 DCHECK_EQ(1, args.length()); | 311 DCHECK_EQ(1, args.length()); |
378 CONVERT_SMI_ARG_CHECKED(slot, 0); | 312 CONVERT_SMI_ARG_CHECKED(slot, 0); |
379 | 313 |
380 // Go up context chain to the script context. | 314 // Go up context chain to the script context. |
381 Handle<Context> script_context(isolate->context()->script_context(), isolate); | 315 Handle<Context> script_context(isolate->context()->script_context(), isolate); |
382 DCHECK(script_context->IsScriptContext()); | 316 DCHECK(script_context->IsScriptContext()); |
383 DCHECK(script_context->get(slot)->IsPropertyCell()); | 317 DCHECK(script_context->get(slot)->IsPropertyCell()); |
384 | 318 |
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1415 DCHECK(args.length() == 2); | 1349 DCHECK(args.length() == 2); |
1416 CONVERT_ARG_HANDLE_CHECKED(Object, o, 0); | 1350 CONVERT_ARG_HANDLE_CHECKED(Object, o, 0); |
1417 CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1); | 1351 CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1); |
1418 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 1352 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
1419 isolate, o, JSReceiver::DefineProperties(isolate, o, properties)); | 1353 isolate, o, JSReceiver::DefineProperties(isolate, o, properties)); |
1420 return *o; | 1354 return *o; |
1421 } | 1355 } |
1422 | 1356 |
1423 } // namespace internal | 1357 } // namespace internal |
1424 } // namespace v8 | 1358 } // namespace v8 |
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