utils.h File Reference

#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <algorithm>
#include "allocation.h"
#include "checks.h"
#include "globals.h"

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Go to the source code of this file.

Data Structures
class	Handle< T >
class	BitFieldBase< T, shift, size, U >
class	BitField< T, shift, size >
class	BitField64< T, shift, size >
class	StaticResource< T >
class	Access< T >
class	Vector< T >
class	SetOncePointer< T >
class	EmbeddedVector< T, kSize >
class	ScopedVector< T >
class	Collector< T, growth_factor, max_growth >
class	SequenceCollector< T, growth_factor, max_growth >
struct	BitCastHelper< Dest, Source >
struct	BitCastHelper< Dest, Source * >
class	EmbeddedContainer< ElementType, NumElements >
class	EmbeddedContainer< ElementType, 0 >
class	SimpleStringBuilder
class	EnumSet< E, T >
class	TypeFeedbackId
class	BailoutId
class	ContainerPointerWrapper< C >

Namespaces
	v8
	v8::internal

Macros
#define	IS_POWER_OF_TWO(x)   (((x) & ((x) - 1)) == 0)
#define	STATIC_ASCII_VECTOR(x)
#define	INT_1_TO_63_LIST(V)
#define	DECLARE_IS_INT_N(N)   inline bool is_int##N(int64_t x) { return is_intn(x, N); }
#define	DECLARE_IS_UINT_N(N)
#define	DECLARE_TRUNCATE_TO_INT_N(N)

Functions
template<typename T >
bool	IsPowerOf2 (T x)
int	WhichPowerOf2 (uint32_t x)
int	MostSignificantBit (uint32_t x)
int	ArithmeticShiftRight (int x, int s)
template<typename T >
intptr_t	OffsetFrom (T x)
template<typename T >
T	AddressFrom (intptr_t x)
template<typename T >
T	RoundDown (T x, intptr_t m)
template<typename T >
T	RoundUp (T x, intptr_t m)
template<class T >
T	AlignUp (T pointer, size_t alignment)
template<typename T >
int	Compare (const T &a, const T &b)
template<typename T >
int	PointerValueCompare (const T *a, const T *b)
template<typename T >
int	HandleObjectPointerCompare (const Handle< T > *a, const Handle< T > *b)
uint32_t	RoundUpToPowerOf2 (uint32_t x)
uint32_t	RoundDownToPowerOf2 (uint32_t x)
template<typename T , typename U >
bool	IsAligned (T value, U alignment)
bool	IsAddressAligned (Address addr, intptr_t alignment, int offset=0)
template<typename T >
T	Max (T a, T b)
template<typename T >
T	Min (T a, T b)
template<typename T >
T	Abs (T a)
template<typename T >
T	NegAbs (T a)
int	StrLength (const char *string)
int32_t	WhichPowerOf2Abs (int32_t x)
uint32_t	ComputeIntegerHash (uint32_t key, uint32_t seed)
uint32_t	ComputeLongHash (uint64_t key)
uint32_t	ComputePointerHash (void *ptr)
Vector< const char >	CStrVector (const char *data)
Vector< const uint8_t >	OneByteVector (const char *data, int length)
Vector< const uint8_t >	OneByteVector (const char *data)
Vector< char >	MutableCStrVector (char *data)
Vector< char >	MutableCStrVector (char *data, int max)
template<typename lchar , typename rchar >
int	CompareCharsUnsigned (const lchar *lhs, const rchar *rhs, int chars)
template<typename lchar , typename rchar >
int	CompareChars (const lchar *lhs, const rchar *rhs, int chars)
int	TenToThe (int exponent)
template<class Dest , class Source >
	INLINE (Dest BitCast(const Source &source))
template<class Dest , class Source >
Dest	BitCast (const Source &source)
uint32_t	unsigned_bitextract_32 (int msb, int lsb, uint32_t x)
uint64_t	unsigned_bitextract_64 (int msb, int lsb, uint64_t x)
int32_t	signed_bitextract_32 (int msb, int lsb, int32_t x)
int	signed_bitextract_64 (int msb, int lsb, int x)
bool	is_intn (int64_t x, unsigned n)
bool	is_uintn (int64_t x, unsigned n)
template<class T >
T	truncate_to_intn (T x, unsigned n)

Macro Definition Documentation

#define DECLARE_IS_INT_N

(

N

)

inline bool is_int##N(int64_t x) { return is_intn(x, N); }

Definition at line 1129 of file utils.h.

#define DECLARE_IS_UINT_N

(

N

)

Value:

template <class T>                                                             \
inline bool is_uint##N(T x) { return is_uintn(x, N); }

Definition at line 1131 of file utils.h.

#define DECLARE_TRUNCATE_TO_INT_N

(

N

)

Value:

template <class T>                                                             \
inline T truncate_to_int##N(T x) { return truncate_to_intn(x, N); }

Definition at line 1134 of file utils.h.

#define INT_1_TO_63_LIST

(

V

)

Value:

V(1)  V(2)  V(3)  V(4)  V(5)  V(6)  V(7)  V(8)                                 \
V(9)  V(10) V(11) V(12) V(13) V(14) V(15) V(16)                                \
V(17) V(18) V(19) V(20) V(21) V(22) V(23) V(24)                                \
V(25) V(26) V(27) V(28) V(29) V(30) V(31) V(32)                                \
V(33) V(34) V(35) V(36) V(37) V(38) V(39) V(40)                                \
V(41) V(42) V(43) V(44) V(45) V(46) V(47) V(48)                                \
V(49) V(50) V(51) V(52) V(53) V(54) V(55) V(56)                                \
V(57) V(58) V(59) V(60) V(61) V(62) V(63)

Definition at line 1119 of file utils.h.

#define IS_POWER_OF_TWO

(

x

)

(((x) & ((x) - 1)) == 0)

Definition at line 46 of file utils.h.

Referenced by HashTable< Shape, Key >::Allocate(), and v8::internal::IsPowerOf2().

#define STATIC_ASCII_VECTOR

(

x

)

Value:

v8::internal::Vector<const uint8_t>(reinterpret_cast<const uint8_t*>(x), \
                                      ARRAY_SIZE(x)-1)

Definition at line 570 of file utils.h.

Referenced by Scope::AllocateModulesRecursively(), Isolate::CaptureCurrentStackTrace(), Isolate::DoThrow(), Context::ErrorMessageForCodeGenerationFromStrings(), Function::GetDisplayName(), MessageHandler::GetMessage(), JSProxy::GetPropertyAttributeWithHandler(), v8::internal::GetScriptNameOrSourceURL(), Object::ObjectProtoToString(), Heap::ReinitializeJSReceiver(), v8::internal::RUNTIME_FUNCTION(), JSProxy::SetPropertyViaPrototypesWithHandler(), CodeGenerator::ShouldGenerateLog(), TEST(), and URIUnescape::Unescape().