mirror of
https://github.com/dart-lang/sdk
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bbefc05748
TEST=ci Bug: https://github.com/dart-lang/sdk/issues/25559 Bug: https://github.com/dart-lang/sdk/issues/27285 Bug: https://github.com/flutter/flutter/issues/84691 Change-Id: I04608c5d337144195748d5f3509a29eb3116585d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/207865 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
62 lines
1.8 KiB
C++
62 lines
1.8 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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#ifndef RUNTIME_VM_DART_API_MESSAGE_H_
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#define RUNTIME_VM_DART_API_MESSAGE_H_
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#include "include/dart_native_api.h"
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#include "platform/utils.h"
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#include "vm/allocation.h"
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#include "vm/dart_api_state.h"
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#include "vm/message.h"
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#include "vm/raw_object.h"
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#include "vm/snapshot.h"
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namespace dart {
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// This class handles translation of certain RawObjects to CObjects for
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// NativeMessageHandlers.
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//
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// TODO(zra): Expand to support not only null, but also other VM heap objects
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// as well.
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class ApiObjectConverter : public AllStatic {
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public:
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static bool CanConvert(const ObjectPtr raw_obj) {
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return !raw_obj->IsHeapObject() || (raw_obj == Object::null());
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}
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static bool Convert(const ObjectPtr raw_obj, Dart_CObject* c_obj) {
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if (!raw_obj->IsHeapObject()) {
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ConvertSmi(static_cast<const SmiPtr>(raw_obj), c_obj);
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} else if (raw_obj == Object::null()) {
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ConvertNull(c_obj);
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} else {
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return false;
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}
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return true;
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}
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private:
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static void ConvertSmi(const SmiPtr raw_smi, Dart_CObject* c_obj) {
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ASSERT(!raw_smi->IsHeapObject());
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intptr_t value = Smi::Value(raw_smi);
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if (Utils::IsInt(31, value)) {
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c_obj->type = Dart_CObject_kInt32;
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c_obj->value.as_int32 = static_cast<int32_t>(value);
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} else {
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c_obj->type = Dart_CObject_kInt64;
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c_obj->value.as_int64 = static_cast<int64_t>(value);
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}
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}
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static void ConvertNull(Dart_CObject* c_obj) {
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c_obj->type = Dart_CObject_kNull;
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c_obj->value.as_int64 = 0;
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}
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};
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} // namespace dart
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#endif // RUNTIME_VM_DART_API_MESSAGE_H_
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