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/*
* Copyright (C) 2019 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_STRING_BUILDER_APPEND_H_
#define ART_RUNTIME_STRING_BUILDER_APPEND_H_
#include <stddef.h>
#include <stdint.h>
#include "base/bit_utils.h"
#include "base/locks.h"
#include "obj_ptr.h"
namespace art {
class Thread;
namespace mirror {
class String;
} // namespace mirror
class StringBuilderAppend {
public:
enum class Argument : uint8_t {
kEnd = 0u,
kObject,
kStringBuilder,
kString,
kCharArray,
kBoolean,
kChar,
kInt,
kLong,
kFloat,
kDouble,
kLast = kDouble
};
static constexpr size_t kBitsPerArg =
MinimumBitsToStore(static_cast<size_t>(Argument::kLast));
static constexpr size_t kMaxArgs = BitSizeOf<uint32_t>() / kBitsPerArg;
static_assert(kMaxArgs * kBitsPerArg == BitSizeOf<uint32_t>(), "Expecting no extra bits.");
static constexpr uint32_t kArgMask = MaxInt<uint32_t>(kBitsPerArg);
static ObjPtr<mirror::String> AppendF(uint32_t format, const uint32_t* args, Thread* self)
REQUIRES_SHARED(Locks::mutator_lock_);
private:
class Builder;
};
} // namespace art
#endif // ART_RUNTIME_STRING_BUILDER_APPEND_H_
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