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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_MIRROR_STRING_INL_H_
#define ART_RUNTIME_MIRROR_STRING_INL_H_
#include "array.h"
#include "class.h"
#include "intern_table.h"
#include "runtime.h"
#include "string.h"
#include "thread.h"
#include "utf.h"
namespace art {
namespace mirror {
inline uint32_t String::ClassSize() {
uint32_t vtable_entries = Object::kVTableLength + 51;
return Class::ComputeClassSize(true, vtable_entries, 0, 1, 0, 1, 2);
}
inline CharArray* String::GetCharArray() {
return GetFieldObject<CharArray>(ValueOffset());
}
inline int32_t String::GetLength() {
int32_t result = GetField32(OFFSET_OF_OBJECT_MEMBER(String, count_));
DCHECK(result >= 0 && result <= GetCharArray()->GetLength());
return result;
}
inline void String::SetArray(CharArray* new_array) {
// Array is invariant so use non-transactional mode. Also disable check as we may run inside
// a transaction.
DCHECK(new_array != NULL);
SetFieldObject<false, false>(OFFSET_OF_OBJECT_MEMBER(String, array_), new_array);
}
inline String* String::Intern() {
return Runtime::Current()->GetInternTable()->InternWeak(this);
}
inline uint16_t String::CharAt(int32_t index) {
// TODO: do we need this? Equals is the only caller, and could
// bounds check itself.
DCHECK_GE(count_, 0); // ensures the unsigned comparison is safe.
if (UNLIKELY(static_cast<uint32_t>(index) >= static_cast<uint32_t>(count_))) {
Thread* self = Thread::Current();
ThrowLocation throw_location = self->GetCurrentLocationForThrow();
self->ThrowNewExceptionF(throw_location, "Ljava/lang/StringIndexOutOfBoundsException;",
"length=%i; index=%i", count_, index);
return 0;
}
return GetCharArray()->Get(index + GetOffset());
}
inline int32_t String::GetHashCode() {
int32_t result = GetField32(OFFSET_OF_OBJECT_MEMBER(String, hash_code_));
if (UNLIKELY(result == 0)) {
result = ComputeHashCode();
}
DCHECK(result != 0 || ComputeUtf16Hash(GetCharArray(), GetOffset(), GetLength()) == 0)
<< ToModifiedUtf8() << " " << result;
return result;
}
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_STRING_INL_H_