import full versions of dependency libraries!

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+// 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_GLOBALS_H_
+#define V8_GLOBALS_H_
+
+// -----------------------------------------------------------------------------
+// Types
+// Visual Studio C++ is missing the stdint.h header file. Instead we define
+// standard integer types for Windows here.
+
+#ifdef _MSC_VER
+typedef signed char int8_t;
+typedef unsigned char uint8_t;
+typedef short int16_t;  // NOLINT
+typedef unsigned short uint16_t;  // NOLINT
+typedef int int32_t;
+typedef unsigned int uint32_t;
+typedef __int64 int64_t;
+typedef unsigned __int64 uint64_t;
+#else  // _MSC_VER
+#include <stdint.h>  // for intptr_t
+#endif  // _MSC_VER
+
+
+namespace v8 { namespace internal {
+
+// Support for alternative bool type. This is only enabled if the code is
+// compiled with USE_MYBOOL defined. This catches some nasty type bugs.
+// For instance, 'bool b = "false";' results in b == true! This is a hidden
+// source of bugs.
+// However, redefining the bool type does have some negative impact on some
+// platforms. It gives rise to compiler warnings (i.e. with
+// MSVC) in the API header files when mixing code that uses the standard
+// bool with code that uses the redefined version.
+// This does not actually belong in the platform code, but needs to be
+// defined here because the platform code uses bool, and platform.h is
+// include very early in the main include file.
+
+#ifdef USE_MYBOOL
+typedef unsigned int __my_bool__;
+#define bool __my_bool__  // use 'indirection' to avoid name clashes
+#endif
+
+typedef uint8_t byte;
+typedef byte* Address;
+
+// Code-point values in Unicode 4.0 are 21 bits wide.
+typedef uint16_t uc16;
+typedef signed int uc32;
+
+#ifndef ARM
+#define CAN_READ_UNALIGNED 1
+#endif
+
+// -----------------------------------------------------------------------------
+// Constants
+
+#ifdef DEBUG
+const bool kDebug = true;
+#else
+const bool kDebug = false;
+#endif  // DEBUG
+
+const int KB = 1024;
+const int MB = KB * KB;
+const int GB = KB * KB * KB;
+const int kMaxInt = 0x7FFFFFFF;
+const int kMinInt = -kMaxInt - 1;
+
+const int kCharSize     = sizeof(char);    // NOLINT
+const int kShortSize    = sizeof(short);   // NOLINT
+const int kIntSize      = sizeof(int);     // NOLINT
+const int kDoubleSize   = sizeof(double);  // NOLINT
+const int kPointerSize  = sizeof(void*);   // NOLINT
+
+const int kPointerSizeLog2 = 2;
+
+const int kObjectAlignmentBits = 2;
+const int kObjectAlignmentMask = (1 << kObjectAlignmentBits) - 1;
+const int kObjectAlignment = 1 << kObjectAlignmentBits;
+
+
+// Tag information for HeapObject.
+const int kHeapObjectTag = 1;
+const int kHeapObjectTagSize = 2;
+const int kHeapObjectTagMask = (1 << kHeapObjectTagSize) - 1;
+
+
+// Tag information for Smi.
+const int kSmiTag = 0;
+const int kSmiTagSize = 1;
+const int kSmiTagMask = (1 << kSmiTagSize) - 1;
+
+
+// Tag information for Failure.
+const int kFailureTag = 3;
+const int kFailureTagSize = 2;
+const int kFailureTagMask = (1 << kFailureTagSize) - 1;
+
+
+const int kBitsPerByte = 8;
+const int kBitsPerByteLog2 = 3;
+const int kBitsPerPointer = kPointerSize * kBitsPerByte;
+const int kBitsPerInt = kIntSize * kBitsPerByte;
+
+
+// Zap-value: The value used for zapping dead objects. Should be a recognizable
+// illegal heap object pointer.
+const Address kZapValue = reinterpret_cast<Address>(0xdeadbeed);
+const Address kHandleZapValue = reinterpret_cast<Address>(0xbaddead);
+const Address kFromSpaceZapValue = reinterpret_cast<Address>(0xbeefdad);
+
+// -----------------------------------------------------------------------------
+// Forward declarations for frequently used classes
+// (sorted alphabetically)
+
+class AccessorInfo;
+class Allocation;
+class Arguments;
+class Assembler;
+class BreakableStatement;
+class Code;
+class CodeGenerator;
+class CodeRegion;
+class CodeStub;
+class Context;
+class Debug;
+class Debugger;
+class DebugInfo;
+class Descriptor;
+class DescriptorArray;
+class Expression;
+class ExternalReference;
+class FixedArray;
+class FunctionEntry;
+class FunctionLiteral;
+class FunctionTemplateInfo;
+class Dictionary;
+class FreeStoreAllocationPolicy;
+template <typename T> class Handle;
+class Heap;
+class HeapObject;
+class IC;
+class InterceptorInfo;
+class IterationStatement;
+class JSArray;
+class JSFunction;
+class JSObject;
+class LargeObjectSpace;
+template <typename T, class P = FreeStoreAllocationPolicy> class List;
+class LookupResult;
+class MacroAssembler;
+class Map;
+class MapSpace;
+class MarkCompactCollector;
+class NewSpace;
+class NodeVisitor;
+class Object;
+class OldSpace;
+class Property;
+class Proxy;
+class RegExpNode;
+struct RegExpCompileData;
+class RegExpTree;
+class RegExpCompiler;
+class RegExpVisitor;
+class Scope;
+template<class Allocator = FreeStoreAllocationPolicy> class ScopeInfo;
+class Script;
+class Slot;
+class Smi;
+class Statement;
+class String;
+class Struct;
+class SwitchStatement;
+class AstVisitor;
+class Variable;
+class VariableProxy;
+class RelocInfo;
+class Deserializer;
+class MessageLocation;
+class ObjectGroup;
+class TickSample;
+class VirtualMemory;
+class Mutex;
+
+typedef bool (*WeakSlotCallback)(Object** pointer);
+
+// -----------------------------------------------------------------------------
+// Miscellaneous
+
+// NOTE: SpaceIterator depends on AllocationSpace enumeration values being
+// consecutive.
+enum AllocationSpace {
+  NEW_SPACE,          // Semispaces collected with copying collector.
+  OLD_POINTER_SPACE,  // Must be first of the paged spaces - see PagedSpaces.
+  OLD_DATA_SPACE,     // May not have pointers to new space.
+  CODE_SPACE,         // Also one of the old spaces.  Marked executable.
+  MAP_SPACE,          // Only map objects.
+  LO_SPACE,           // Large objects.
+  FIRST_SPACE = NEW_SPACE,
+  LAST_SPACE = LO_SPACE  // <= 5 (see kSpaceBits and kLOSpacePointer)
+};
+const int kSpaceTagSize = 3;
+const int kSpaceTagMask = (1 << kSpaceTagSize) - 1;
+
+
+// A flag that indicates whether objects should be pretenured when
+// allocated (allocated directly into the old generation) or not
+// (allocated in the young generation if the object size and type
+// allows).
+enum PretenureFlag { NOT_TENURED, TENURED };
+
+enum GarbageCollector { SCAVENGER, MARK_COMPACTOR };
+
+enum Executability { NOT_EXECUTABLE, EXECUTABLE };
+
+
+// A CodeDesc describes a buffer holding instructions and relocation
+// information. The instructions start at the beginning of the buffer
+// and grow forward, the relocation information starts at the end of
+// the buffer and grows backward.
+//
+//  |<--------------- buffer_size ---------------->|
+//  |<-- instr_size -->|        |<-- reloc_size -->|
+//  +==================+========+==================+
+//  |   instructions   |  free  |    reloc info    |
+//  +==================+========+==================+
+//  ^
+//  |
+//  buffer
+
+struct CodeDesc {
+  byte* buffer;
+  int buffer_size;
+  int instr_size;
+  int reloc_size;
+  Assembler* origin;
+};
+
+
+// Callback function on object slots, used for iterating heap object slots in
+// HeapObjects, global pointers to heap objects, etc. The callback allows the
+// callback function to change the value of the slot.
+typedef void (*ObjectSlotCallback)(HeapObject** pointer);
+
+
+// Callback function used for iterating objects in heap spaces,
+// for example, scanning heap objects.
+typedef int (*HeapObjectCallback)(HeapObject* obj);
+
+
+// Callback function used for checking constraints when copying/relocating
+// objects. Returns true if an object can be copied/relocated from its
+// old_addr to a new_addr.
+typedef bool (*ConstraintCallback)(Address new_addr, Address old_addr);
+
+
+// Callback function on inline caches, used for iterating over inline caches
+// in compiled code.
+typedef void (*InlineCacheCallback)(Code* code, Address ic);
+
+
+// State for inline cache call sites. Aliased as IC::State.
+enum InlineCacheState {
+  // Has never been executed.
+  UNINITIALIZED,
+  // Has never been executed, but is in a loop.
+  UNINITIALIZED_IN_LOOP,
+  // Has been executed but monomorhic state has been delayed.
+  PREMONOMORPHIC,
+  // Has been executed and only one receiver type has been seen.
+  MONOMORPHIC,
+  // Like MONOMORPHIC but check failed due to prototype.
+  MONOMORPHIC_PROTOTYPE_FAILURE,
+  // Multiple receiver types have been seen.
+  MEGAMORPHIC,
+  // Special states for debug break or step in prepare stubs.
+  DEBUG_BREAK,
+  DEBUG_PREPARE_STEP_IN
+};
+
+
+// Type of properties.
+// Order of properties is significant.
+// Must fit in the BitField PropertyDetails::TypeField.
+// A copy of this is in mirror-delay.js.
+enum PropertyType {
+  NORMAL              = 0,  // only in slow mode
+  FIELD               = 1,  // only in fast mode
+  CONSTANT_FUNCTION   = 2,  // only in fast mode
+  CALLBACKS           = 3,
+  INTERCEPTOR         = 4,  // only in lookup results, not in descriptors.
+  MAP_TRANSITION      = 5,  // only in fast mode
+  CONSTANT_TRANSITION = 6,  // only in fast mode
+  NULL_DESCRIPTOR     = 7,  // only in fast mode
+  // All properties before MAP_TRANSITION are real.
+  FIRST_PHANTOM_PROPERTY_TYPE = MAP_TRANSITION
+};
+
+
+// Whether to remove map transitions and constant transitions from a
+// DescriptorArray.
+enum TransitionFlag {
+  REMOVE_TRANSITIONS,
+  KEEP_TRANSITIONS
+};
+
+
+// Union used for fast testing of specific double values.
+union DoubleRepresentation {
+  double  value;
+  int64_t bits;
+  DoubleRepresentation(double x) { value = x; }
+};
+
+
+// AccessorCallback
+struct AccessorDescriptor {
+  Object* (*getter)(Object* object, void* data);
+  Object* (*setter)(JSObject* object, Object* value, void* data);
+  void* data;
+};
+
+
+// Logging and profiling.
+// A StateTag represents a possible state of the VM.  When compiled with
+// ENABLE_LOGGING_AND_PROFILING, the logger maintains a stack of these.
+// Creating a VMState object enters a state by pushing on the stack, and
+// destroying a VMState object leaves a state by popping the current state
+// from the stack.
+
+#define STATE_TAG_LIST(V) \
+  V(JS)                   \
+  V(GC)                   \
+  V(COMPILER)             \
+  V(OTHER)                \
+  V(EXTERNAL)
+
+enum StateTag {
+#define DEF_STATE_TAG(name) name,
+  STATE_TAG_LIST(DEF_STATE_TAG)
+#undef DEF_STATE_TAG
+  // Pseudo-types.
+  state_tag_count
+};
+
+
+// -----------------------------------------------------------------------------
+// Macros
+
+// Testers for test.
+
+#define HAS_SMI_TAG(value) \
+  ((reinterpret_cast<int>(value) & kSmiTagMask) == kSmiTag)
+
+#define HAS_FAILURE_TAG(value) \
+  ((reinterpret_cast<int>(value) & kFailureTagMask) == kFailureTag)
+
+#define HAS_HEAP_OBJECT_TAG(value) \
+  ((reinterpret_cast<int>(value) & kHeapObjectTagMask) == kHeapObjectTag)
+
+// OBJECT_SIZE_ALIGN returns the value aligned HeapObject size
+#define OBJECT_SIZE_ALIGN(value)                                \
+  ((value + kObjectAlignmentMask) & ~kObjectAlignmentMask)
+
+// The expression OFFSET_OF(type, field) computes the byte-offset
+// of the specified field relative to the containing type. This
+// corresponds to 'offsetof' (in stddef.h), except that it doesn't
+// use 0 or NULL, which causes a problem with the compiler warnings
+// we have enabled (which is also why 'offsetof' doesn't seem to work).
+// Here we simply use the non-zero value 4, which seems to work.
+#define OFFSET_OF(type, field)                                          \
+  (reinterpret_cast<intptr_t>(&(reinterpret_cast<type*>(4)->field)) - 4)
+
+
+// The expression ARRAY_SIZE(a) is a compile-time constant of type
+// size_t which represents the number of elements of the given
+// array. You should only use ARRAY_SIZE on statically allocated
+// arrays.
+#define ARRAY_SIZE(a)                                   \
+  ((sizeof(a) / sizeof(*(a))) /                         \
+  static_cast<size_t>(!(sizeof(a) % sizeof(*(a)))))
+
+
+// The USE(x) template is used to silence C++ compiler warnings
+// issued for (yet) unused variables (typically parameters).
+template <typename T>
+static inline void USE(T) { }
+
+
+// FUNCTION_ADDR(f) gets the address of a C function f.
+#define FUNCTION_ADDR(f)                                        \
+  (reinterpret_cast<v8::internal::Address>(reinterpret_cast<intptr_t>(f)))
+
+
+// FUNCTION_CAST<F>(addr) casts an address into a function
+// of type F. Used to invoke generated code from within C.
+template <typename F>
+F FUNCTION_CAST(Address addr) {
+  return reinterpret_cast<F>(reinterpret_cast<intptr_t>(addr));
+}
+
+
+// A macro to disallow the evil copy constructor and operator= functions
+// This should be used in the private: declarations for a class
+#define DISALLOW_COPY_AND_ASSIGN(TypeName)      \
+  TypeName(const TypeName&);                    \
+  void operator=(const TypeName&)
+
+
+// A macro to disallow all the implicit constructors, namely the
+// default constructor, copy constructor and operator= functions.
+//
+// This should be used in the private: declarations for a class
+// that wants to prevent anyone from instantiating it. This is
+// especially useful for classes containing only static methods.
+#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
+  TypeName();                                    \
+  DISALLOW_COPY_AND_ASSIGN(TypeName)
+
+
+// Support for tracking C++ memory allocation.  Insert TRACK_MEMORY("Fisk")
+// inside a C++ class and new and delete will be overloaded so logging is
+// performed.
+// This file (globals.h) is included before log.h, so we use direct calls to
+// the Logger rather than the LOG macro.
+#ifdef DEBUG
+#define TRACK_MEMORY(name) \
+  void* operator new(size_t size) { \
+    void* result = ::operator new(size); \
+    Logger::NewEvent(name, result, size); \
+    return result; \
+  } \
+  void operator delete(void* object) { \
+    Logger::DeleteEvent(name, object); \
+    ::operator delete(object); \
+  }
+#else
+#define TRACK_MEMORY(name)
+#endif
+
+// define used for helping GCC to make better inlining. Don't bother for debug
+// builds. On GCC 3.4.5 using __attribute__((always_inline)) causes compilation
+// errors in debug build.
+#if defined(__GNUC__) && !defined(DEBUG)
+#if (__GNUC__ >= 4)
+#define INLINE(header) inline header  __attribute__((always_inline))
+#else
+#define INLINE(header) inline __attribute__((always_inline)) header
+#endif
+#else
+#define INLINE(header) inline header
+#endif
+
+// The type-based aliasing rule allows the compiler to assume that pointers of
+// different types (for some definition of different) never alias each other.
+// Thus the following code does not work:
+//
+// float f = foo();
+// int fbits = *(int*)(&f);
+//
+// The compiler 'knows' that the int pointer can't refer to f since the types
+// don't match, so the compiler may cache f in a register, leaving random data
+// in fbits.  Using C++ style casts makes no difference, however a pointer to
+// char data is assumed to alias any other pointer.  This is the 'memcpy
+// exception'.
+//
+// Bit_cast uses the memcpy exception to move the bits from a variable of one
+// type o a variable of another type.  Of course the end result is likely to
+// be implementation dependent.  Most compilers (gcc-4.2 and MSVC 2005)
+// will completely optimize bit_cast away.
+//
+// There is an additional use for bit_cast.
+// Recent gccs will warn when they see casts that may result in breakage due to
+// the type-based aliasing rule.  If you have checked that there is no breakage
+// you can use bit_cast to cast one pointer type to another.  This confuses gcc
+// enough that it can no longer see that you have cast one pointer type to
+// another thus avoiding the warning.
+template <class Dest, class Source>
+inline Dest bit_cast(const Source& source) {
+  // Compile time assertion: sizeof(Dest) == sizeof(Source)
+  // A compile error here means your Dest and Source have different sizes.
+  typedef char VerifySizesAreEqual[sizeof(Dest) == sizeof(Source) ? 1 : -1];
+
+  Dest dest;
+  memcpy(&dest, &source, sizeof(dest));
+  return dest;
+}
+
+
+} }  // namespace v8::internal
+
+#endif  // V8_GLOBALS_H_