Alexander Aprelev
cdf7bf9c78
This relies on runtime check of Map-typed variable initialization. TEST=kernel_binary_flowgraph_test Change-Id: Ia9be2644208883739f5896a223dcbe2b59c98114 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/482021 Reviewed-by: Slava Egorov <vegorov@google.com>
110 lines
4.0 KiB
C++
110 lines
4.0 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/assert.h"
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#include "vm/bootstrap_natives.h"
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#include "vm/exceptions.h"
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#include "vm/native_entry.h"
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#include "vm/object.h"
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#include "vm/object_graph_copy.h"
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namespace dart {
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DEFINE_NATIVE_ENTRY(GrowableList_allocate, 0, 2) {
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const TypeArguments& type_arguments =
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TypeArguments::CheckedHandle(zone, arguments->NativeArgAt(0));
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GET_NON_NULL_NATIVE_ARGUMENT(Array, data, arguments->NativeArgAt(1));
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if (data.Length() < 0) {
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Exceptions::ThrowRangeError("length",
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Integer::Handle(Integer::New(data.Length())),
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0, // This is the limit the user sees.
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Array::kMaxElements);
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}
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const GrowableObjectArray& new_array =
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GrowableObjectArray::Handle(GrowableObjectArray::New(data));
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new_array.SetTypeArguments(type_arguments);
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return new_array.ptr();
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}
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DEFINE_NATIVE_ENTRY(GrowableList_setIndexed, 0, 3) {
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const GrowableObjectArray& array =
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GrowableObjectArray::CheckedHandle(zone, arguments->NativeArgAt(0));
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GET_NON_NULL_NATIVE_ARGUMENT(Smi, index, arguments->NativeArgAt(1));
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if ((index.Value() < 0) || (index.Value() >= array.Length())) {
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Exceptions::ThrowRangeError("index", index, 0, array.Length() - 1);
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}
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GET_NON_NULL_NATIVE_ARGUMENT(Instance, value, arguments->NativeArgAt(2));
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array.SetAt(index.Value(), value);
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return Object::null();
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}
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DEFINE_NATIVE_ENTRY(GrowableList_getLength, 0, 1) {
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const GrowableObjectArray& array =
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GrowableObjectArray::CheckedHandle(zone, arguments->NativeArgAt(0));
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return Smi::New(array.Length());
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}
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DEFINE_NATIVE_ENTRY(GrowableList_getCapacity, 0, 1) {
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const GrowableObjectArray& array =
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GrowableObjectArray::CheckedHandle(zone, arguments->NativeArgAt(0));
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return Smi::New(array.Capacity());
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}
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DEFINE_NATIVE_ENTRY(GrowableList_setLength, 0, 2) {
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const GrowableObjectArray& array =
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GrowableObjectArray::CheckedHandle(zone, arguments->NativeArgAt(0));
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GET_NON_NULL_NATIVE_ARGUMENT(Smi, length, arguments->NativeArgAt(1));
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ASSERT((length.Value() >= 0) && (length.Value() <= array.Capacity()));
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array.SetLength(length.Value());
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return Object::null();
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}
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DEFINE_NATIVE_ENTRY(GrowableList_setData, 0, 2) {
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const GrowableObjectArray& array =
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GrowableObjectArray::CheckedHandle(zone, arguments->NativeArgAt(0));
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GET_NON_NULL_NATIVE_ARGUMENT(Array, data, arguments->NativeArgAt(1));
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ASSERT(data.Length() >= 0);
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array.SetData(data);
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return Object::null();
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}
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DEFINE_NATIVE_ENTRY(Internal_makeListFixedLength, 0, 1) {
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GET_NON_NULL_NATIVE_ARGUMENT(GrowableObjectArray, array,
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arguments->NativeArgAt(0));
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return Array::MakeFixedLength(array, /* unique = */ true);
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}
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DEFINE_NATIVE_ENTRY(Internal_makeFixedListUnmodifiable, 0, 1) {
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GET_NON_NULL_NATIVE_ARGUMENT(Array, array, arguments->NativeArgAt(0));
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array.MakeImmutable();
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return array.ptr();
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}
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DEFINE_NATIVE_ENTRY(createConstMapFromMapOfDeeplyImmutables, 0, 1) {
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GET_NON_NULL_NATIVE_ARGUMENT(Map, map, arguments->NativeArgAt(0));
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const Instance& instance =
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Instance::Handle(zone, ConstMap::NewUninitialized());
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const LinkedHashBase& const_map = LinkedHashBase::Cast(instance);
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const_map.SetTypeArguments(
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TypeArguments::Handle(zone, map.GetTypeArguments()));
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intptr_t used_data = map.Length() << 1;
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const_map.set_used_data(used_data);
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const auto& data = Array::Handle(zone, map.data());
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const auto& new_data = Array::Handle(zone, Array::New(used_data));
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const_map.set_data(new_data);
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const_map.set_deleted_keys(0);
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const_map.ComputeAndSetHashMask();
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Object& object = Object::Handle(zone);
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for (intptr_t i = 0; i < used_data; i++) {
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object = data.At(i);
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object.EnsureDeeplyImmutable(zone);
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new_data.SetAt(i, object);
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}
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return instance.ptr();
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}
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} // namespace dart
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