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Issue 1668853002: [proxies] allow duplicate keys for [[OwnPropertyKeys]] trap. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: enabling test again Created 4 years, 10 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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/factory.h" 8 #include "src/factory.h"
9 #include "src/isolate-inl.h" 9 #include "src/isolate-inl.h"
10 #include "src/objects-inl.h" 10 #include "src/objects-inl.h"
11 11
12 namespace v8 { 12 namespace v8 {
13 namespace internal { 13 namespace internal {
14 14
15 namespace { 15 namespace {
16 16
17 // Returns either a FixedArray or, if the given {receiver} has an enum cache 17 // Returns either a FixedArray or, if the given {receiver} has an enum cache
18 // that contains all enumerable properties of the {receiver} and its prototypes 18 // that contains all enumerable properties of the {receiver} and its prototypes
19 // have none, the map of the {receiver}. This is used to speed up the check for 19 // have none, the map of the {receiver}. This is used to speed up the check for
20 // deletions during a for-in. 20 // deletions during a for-in.
21 MaybeHandle<HeapObject> Enumerate(Handle<JSReceiver> receiver) { 21 MaybeHandle<HeapObject> Enumerate(Handle<JSReceiver> receiver) {
22 Isolate* const isolate = receiver->GetIsolate(); 22 Isolate* const isolate = receiver->GetIsolate();
23 // Test if we have an enum cache for {receiver}. 23 // Test if we have an enum cache for {receiver}.
24 if (!receiver->IsSimpleEnum()) { 24 if (!receiver->IsSimpleEnum()) {
25 Handle<FixedArray> keys; 25 Handle<FixedArray> keys;
26 ASSIGN_RETURN_ON_EXCEPTION( 26 ASSIGN_RETURN_ON_EXCEPTION(
27 isolate, keys, JSReceiver::GetKeys(receiver, JSReceiver::INCLUDE_PROTOS, 27 isolate, keys,
28 ENUMERABLE_STRINGS), 28 JSReceiver::GetKeys(receiver, KeyCollectionType::INCLUDE_PROTOS,
29 ENUMERABLE_STRINGS),
29 HeapObject); 30 HeapObject);
30 // Test again, since cache may have been built by GetKeys() calls above. 31 // Test again, since cache may have been built by GetKeys() calls above.
31 if (!receiver->IsSimpleEnum()) return keys; 32 if (!receiver->IsSimpleEnum()) return keys;
32 } 33 }
33 return handle(receiver->map(), isolate); 34 return handle(receiver->map(), isolate);
34 } 35 }
35 36
36 37
37 MaybeHandle<Object> Filter(Handle<JSReceiver> receiver, Handle<Object> key) { 38 MaybeHandle<Object> Filter(Handle<JSReceiver> receiver, Handle<Object> key) {
38 Isolate* const isolate = receiver->GetIsolate(); 39 Isolate* const isolate = receiver->GetIsolate();
(...skipping 94 matching lines...) Expand 10 before | Expand all | Expand 10 after
133 SealHandleScope scope(isolate); 134 SealHandleScope scope(isolate);
134 DCHECK_EQ(1, args.length()); 135 DCHECK_EQ(1, args.length());
135 CONVERT_SMI_ARG_CHECKED(index, 0); 136 CONVERT_SMI_ARG_CHECKED(index, 0);
136 DCHECK_LE(0, index); 137 DCHECK_LE(0, index);
137 DCHECK_LT(index, Smi::kMaxValue); 138 DCHECK_LT(index, Smi::kMaxValue);
138 return Smi::FromInt(index + 1); 139 return Smi::FromInt(index + 1);
139 } 140 }
140 141
141 } // namespace internal 142 } // namespace internal
142 } // namespace v8 143 } // namespace v8
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