90b3370374
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
128 lines
4.5 KiB
C++
128 lines
4.5 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 "v8globals.h"
|
|
#include "v8checks.h"
|
|
#include "allocation.h"
|
|
#include "v8utils.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"
|
|
|
|
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_; }
|
|
static bool UseCrankshaft() { return use_crankshaft_; }
|
|
static void DisableCrankshaft() { use_crankshaft_ = false; }
|
|
// 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();
|
|
// We use random numbers internally in memory allocation and in the
|
|
// compilers for security. In order to prevent information leaks we
|
|
// use a separate random state for internal random number
|
|
// generation.
|
|
static uint32_t RandomPrivate();
|
|
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_;
|
|
// True if we are using the crankshaft optimizing compiler.
|
|
static bool use_crankshaft_;
|
|
};
|
|
|
|
} } // namespace v8::internal
|
|
|
|
namespace i = v8::internal;
|
|
|
|
#endif // V8_V8_H_
|