C++程序  |  65行  |  2.64 KB

// Copyright 2006-2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
//       copyright notice, this list of conditions and the following
//       disclaimer in the documentation and/or other materials provided
//       with the distribution.
//     * Neither the name of Google Inc. nor the names of its
//       contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef V8_V8CHECKS_H_
#define V8_V8CHECKS_H_

#include "checks.h"

void API_Fatal(const char* location, const char* format, ...);

namespace v8 {
  class Value;
  template <class T> class Handle;

namespace internal {
  intptr_t HeapObjectTagMask();

} }  // namespace v8::internal


void CheckNonEqualsHelper(const char* file,
                          int line,
                          const char* unexpected_source,
                          v8::Handle<v8::Value> unexpected,
                          const char* value_source,
                          v8::Handle<v8::Value> value);

void CheckEqualsHelper(const char* file,
                       int line,
                       const char* expected_source,
                       v8::Handle<v8::Value> expected,
                       const char* value_source,
                       v8::Handle<v8::Value> value);

#define ASSERT_TAG_ALIGNED(address) \
  ASSERT((reinterpret_cast<intptr_t>(address) & HeapObjectTagMask()) == 0)

#define ASSERT_SIZE_TAG_ALIGNED(size) ASSERT((size & HeapObjectTagMask()) == 0)

#endif  // V8_V8CHECKS_H_