Quelle  primitive.cc

/*
 * 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.
 */

#include "dex/primitive.h"

namespace art {

static const char* kTypeNames[] = {
  "PrimNot",
  "PrimBoolean",
  "PrimByte",
  "PrimChar",
  "PrimShort",
  "PrimInt",
  "PrimLong",
  "PrimFloat",
  "PrimDouble",
  "PrimVoid",
};

static const char* kBoxedDescriptors[] = {
  "Ljava/lang/Object;",
  "Ljava/lang/Boolean;",
  "Ljava/lang/Byte;",
  "Ljava/lang/Character;",
  "Ljava/lang/Short;",
  "Ljava/lang/Integer;",
  "Ljava/lang/Long;",
  "Ljava/lang/Float;",
  "Ljava/lang/Double;",
  "Ljava/lang/Void;",
};

#define COUNT_OF(x) (sizeof(x) / sizeof((x)[0]))

const char* Primitive::PrettyDescriptor(Primitive::Type type) {
  static_assert(COUNT_OF(kTypeNames) == static_cast<size_t>(Primitive::kPrimLast) + 1,
                "Missing element");
  CHECK(Primitive::kPrimNot <= type && type <= Primitive::kPrimVoid) << static_cast<int>(type);
  return kTypeNames[type];
}

const char* Primitive::BoxedDescriptor(Primitive::Type type) {
  static_assert(COUNT_OF(kBoxedDescriptors) == static_cast<size_t>(Primitive::kPrimLast) + 1,
                "Missing element");
  CHECK(Primitive::kPrimNot <= type && type <= Primitive::kPrimVoid) << static_cast<int>(type);
  return kBoxedDescriptors[type];
}

std::ostream& operator<<(std::ostream& os, Primitive::Type type) {
  uint32_t int_type = static_cast<uint32_t>(type);
  if (type <= Primitive::kPrimLast) {
    os << kTypeNames[int_type];
  } else {
    os << "Type[" << int_type << "]";
  }
  return os;
}

}  // namespace art