v8/src/v8.h

120 lines
4.0 KiB
C++

// 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.
//
// Top include for all V8 .cc files.
//
#ifndef V8_V8_H_
#define V8_V8_H_
#if defined(GOOGLE3)
// Google3 special flag handling.
#if defined(DEBUG) && defined(NDEBUG)
// If both are defined in Google3, then we are building an optimized v8 with
// assertions enabled.
#undef NDEBUG
#elif !defined(DEBUG) && !defined(NDEBUG)
// If neither is defined in Google3, then we are building a debug v8. Mark it
// as such.
#define DEBUG
#endif
#endif // defined(GOOGLE3)
// V8 only uses DEBUG, but included external files
// may use NDEBUG - make sure they are consistent.
#if defined(DEBUG) && defined(NDEBUG)
#error both DEBUG and NDEBUG are set
#endif
// Basic includes
#include "../include/v8.h"
#include "globals.h"
#include "checks.h"
#include "allocation.h"
#include "utils.h"
#include "flags.h"
// Objects & heap
#include "objects-inl.h"
#include "spaces-inl.h"
#include "heap-inl.h"
#include "log-inl.h"
#include "cpu-profiler-inl.h"
#include "handles-inl.h"
#include "vm-state-inl.h"
namespace v8 {
namespace internal {
class Deserializer;
class V8 : public AllStatic {
public:
// Global actions.
// If Initialize is called with des == NULL, the initial state is
// created from scratch. If a non-null Deserializer is given, the
// initial state is created by reading the deserialized data into an
// empty heap.
static bool Initialize(Deserializer* des);
static void TearDown();
static bool IsRunning() { return is_running_; }
// To be dead you have to have lived
static bool IsDead() { return has_fatal_error_ || has_been_disposed_; }
static void SetFatalError();
// Report process out of memory. Implementation found in api.cc.
static void FatalProcessOutOfMemory(const char* location,
bool take_snapshot = false);
// Random number generation support. Not cryptographically safe.
static uint32_t Random();
static Object* FillHeapNumberWithRandom(Object* heap_number);
// Idle notification directly from the API.
static bool IdleNotification();
private:
// True if engine is currently running
static bool is_running_;
// True if V8 has ever been run
static bool has_been_setup_;
// True if error has been signaled for current engine
// (reset to false if engine is restarted)
static bool has_fatal_error_;
// True if engine has been shut down
// (reset if engine is restarted)
static bool has_been_disposed_;
};
} } // namespace v8::internal
namespace i = v8::internal;
#endif // V8_V8_H_