QDeclarativeJS Namespace Reference

Namespaces
	AST
	Ecma

Classes
class	DiagnosticMessage
class	Engine
class	Lexer
class	MemoryPool
class	NameId
class	NodePool
class	Parser
class	TextWriter

Functions
double	integerFromString (const char *buf, int size, int radix)
double	integerFromString (const QString &str, int radix)
template<typename NodeType >
NodeType *	makeAstNode (MemoryPool *storage)
template<typename NodeType , typename Arg1 >
NodeType *	makeAstNode (MemoryPool *storage, Arg1 arg1)
template<typename NodeType , typename Arg1 , typename Arg2 >
NodeType *	makeAstNode (MemoryPool *storage, Arg1 arg1, Arg2 arg2)
template<typename NodeType , typename Arg1 , typename Arg2 , typename Arg3 >
NodeType *	makeAstNode (MemoryPool *storage, Arg1 arg1, Arg2 arg2, Arg3 arg3)
template<typename NodeType , typename Arg1 , typename Arg2 , typename Arg3 , typename Arg4 >
NodeType *	makeAstNode (MemoryPool *storage, Arg1 arg1, Arg2 arg2, Arg3 arg3, Arg4 arg4)
QString	numberToString (double value)
uint	qHash (const QDeclarativeJS::NameId &id)
static int	toDigit (char c)

Function Documentation

integerFromString() [1/2]

double QDeclarativeJS::integerFromString	(	const char *	buf,
		int	size,
		int	radix
	)

Definition at line 114 of file qdeclarativejsengine_p.cpp.

Referenced by integerFromString(), and QDeclarativeJS::Lexer::lex().

{
    if (size == 0)
        return qSNaN();

    double sign = 1.0;
    int i = 0;
    if (buf[0] == '+') {
        ++i;
    } else if (buf[0] == '-') {
        sign = -1.0;
        ++i;
    }

    if (((size-i) >= 2) && (buf[i] == '0')) {
        if (((buf[i+1] == 'x') || (buf[i+1] == 'X'))
            && (radix < 34)) {
            if ((radix != 0) && (radix != 16))
                return 0;
            radix = 16;
            i += 2;
        } else {
            if (radix == 0) {
                radix = 8;
                ++i;
            }
        }
    } else if (radix == 0) {
        radix = 10;
    }

    int j = i;
    for ( ; i < size; ++i) {
        int d = toDigit(buf[i]);
        if ((d == -1) || (d >= radix))
            break;
    }
    double result;
    if (j == i) {
        if (!qstrcmp(buf, "Infinity"))
            result = qInf();
        else
            result = qSNaN();
    } else {
        result = 0;
        double multiplier = 1;
        for (--i ; i >= j; --i, multiplier *= radix)
            result += toDigit(buf[i]) * multiplier;
    }
    result *= sign;
    return result;
}

integerFromString() [2/2]

double QDeclarativeJS::integerFromString	(	const QString &	str,
		int	radix
	)

Definition at line 167 of file qdeclarativejsengine_p.cpp.

{
    QByteArray ba = str.trimmed().toLatin1();
    return integerFromString(ba.constData(), ba.size(), radix);
}

makeAstNode() [1/5]

template<typename NodeType >

NodeType* QDeclarativeJS::makeAstNode ( MemoryPool *  storage )

inline

Definition at line 75 of file qdeclarativejsnodepool_p.h.

{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType();
    return node;
}

makeAstNode() [2/5]

template<typename NodeType , typename Arg1 >

NodeType* QDeclarativeJS::makeAstNode ( MemoryPool *  storage, Arg1  arg1  )

inline

Definition at line 82 of file qdeclarativejsnodepool_p.h.

{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1);
    return node;
}

makeAstNode() [3/5]

template<typename NodeType , typename Arg1 , typename Arg2 >

NodeType* QDeclarativeJS::makeAstNode ( MemoryPool *  storage, Arg1  arg1, Arg2  arg2  )

inline

Definition at line 89 of file qdeclarativejsnodepool_p.h.

{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1, arg2);
    return node;
}

makeAstNode() [4/5]

template<typename NodeType , typename Arg1 , typename Arg2 , typename Arg3 >

NodeType* QDeclarativeJS::makeAstNode ( MemoryPool *  storage, Arg1  arg1, Arg2  arg2, Arg3  arg3  )

inline

Definition at line 96 of file qdeclarativejsnodepool_p.h.

{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1, arg2, arg3);
    return node;
}

makeAstNode() [5/5]

template<typename NodeType , typename Arg1 , typename Arg2 , typename Arg3 , typename Arg4 >

NodeType* QDeclarativeJS::makeAstNode ( MemoryPool *  storage, Arg1  arg1, Arg2  arg2, Arg3  arg3, Arg4  arg4  )

inline

Definition at line 103 of file qdeclarativejsnodepool_p.h.

{
    NodeType *node = new (storage->allocate(sizeof(NodeType))) NodeType(arg1, arg2, arg3, arg4);
    return node;
}

numberToString()

QString QDeclarativeJS::numberToString

(

double

value

)

Definition at line 57 of file qdeclarativejsengine_p.cpp.

{ return QString::number(value); }

qHash()

uint QDeclarativeJS::qHash

(

const QDeclarativeJS::NameId &

id

)

Definition at line 54 of file qdeclarativejsengine_p.cpp.

Referenced by QDeclarativeJS::NameId::operator<().

{ return qHash(id.asString()); }

toDigit()

static int QDeclarativeJS::toDigit ( char  c )

static

Definition at line 103 of file qdeclarativejsengine_p.cpp.

Referenced by integerFromString().

{
    if ((c >= '0') && (c <= '9'))
        return c - '0';
    else if ((c >= 'a') && (c <= 'z'))
        return 10 + c - 'a';
    else if ((c >= 'A') && (c <= 'Z'))
        return 10 + c - 'A';
    return -1;
}