68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/*
|
|
* 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_
|