QScript::FunctionWrapper Class Reference

#include <qscriptfunction_p.h>

Inheritance diagram for QScript::FunctionWrapper:

Classes
struct	Data

Public Functions
virtual const JSC::ClassInfo *	classInfo () const
QScriptEngine::FunctionSignature	function () const
	FunctionWrapper (JSC::ExecState *, int length, const JSC::Identifier &, QScriptEngine::FunctionSignature)
	~FunctionWrapper ()

Static Public Variables
static const JSC::ClassInfo	info = { "QtNativeFunctionWrapper", &PrototypeFunction::info, 0, 0 }

Private Functions
virtual JSC::ConstructType	getConstructData (JSC::ConstructData &)

Static Private Functions
static JSC::JSValue JSC_HOST_CALL	proxyCall (JSC::ExecState *, JSC::JSObject *, JSC::JSValue, const JSC::ArgList &)
static JSC::JSObject *	proxyConstruct (JSC::ExecState *, JSC::JSObject *, const JSC::ArgList &)

Properties
Data *	data

Detailed Description

Definition at line 49 of file qscriptfunction_p.h.

Constructors and Destructors

FunctionWrapper()

QScript::FunctionWrapper::FunctionWrapper	(	JSC::ExecState *	exec,
		int	length,
		const JSC::Identifier &	name,
		QScriptEngine::FunctionSignature	function
	)

Definition at line 52 of file qscriptfunction.cpp.

    : JSC::PrototypeFunction(exec, length, name, proxyCall),
      data(new Data())
{
    data->function = function;
}

~FunctionWrapper()

QScript::FunctionWrapper::~FunctionWrapper

(

)

Definition at line 60 of file qscriptfunction.cpp.

{
    delete data;
}

Functions

classInfo()

virtual const JSC::ClassInfo* QScript::FunctionWrapper::classInfo ( ) const

inlinevirtual

Definition at line 62 of file qscriptfunction_p.h.

{ return &info; }

function()

QScriptEngine::FunctionSignature QScript::FunctionWrapper::function ( ) const

inline

Definition at line 65 of file qscriptfunction_p.h.

    { return data->function; }

getConstructData()

JSC::ConstructType QScript::FunctionWrapper::getConstructData ( JSC::ConstructData &  consData )

privatevirtual

Definition at line 65 of file qscriptfunction.cpp.

Referenced by QScript::FunctionWithArgWrapper::arg(), and function().

{
    consData.native.function = proxyConstruct;
    consData.native.function.doNotCallDebuggerFunctionExit();
    return JSC::ConstructTypeHost;
}

proxyCall()

JSC::JSValue QScript::FunctionWrapper::proxyCall ( JSC::ExecState *  exec, JSC::JSObject *  callee, JSC::JSValue  thisObject, const JSC::ArgList &  args  )

staticprivate

Definition at line 72 of file qscriptfunction.cpp.

Referenced by QScript::FunctionWithArgWrapper::arg(), and function().

{
    FunctionWrapper *self = static_cast<FunctionWrapper*>(callee);
    QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec);

    JSC::ExecState *oldFrame = eng_p->currentFrame;
    eng_p->pushContext(exec, thisObject, args, callee);
    QScriptContext *ctx = eng_p->contextForFrame(eng_p->currentFrame);

    QScriptValue result = self->data->function(ctx, QScriptEnginePrivate::get(eng_p));
    if (!result.isValid())
        result = QScriptValue(QScriptValue::UndefinedValue);

    eng_p->popContext();
    eng_p->currentFrame = oldFrame;

    return eng_p->scriptValueToJSCValue(result);
}

proxyConstruct()

JSC::JSObject * QScript::FunctionWrapper::proxyConstruct ( JSC::ExecState *  exec, JSC::JSObject *  callee, const JSC::ArgList &  args  )

staticprivate

Definition at line 92 of file qscriptfunction.cpp.

Referenced by QScript::FunctionWithArgWrapper::arg(), function(), and getConstructData().

{
    FunctionWrapper *self = static_cast<FunctionWrapper*>(callee);
    QScriptEnginePrivate *eng_p = QScript::scriptEngineFromExec(exec);

    JSC::ExecState *oldFrame = eng_p->currentFrame;
    eng_p->pushContext(exec, JSC::JSValue(), args, callee, true);
    QScriptContext *ctx = eng_p->contextForFrame(eng_p->currentFrame);

    QScriptValue result = self->data->function(ctx, QScriptEnginePrivate::get(eng_p));

    if (JSC::Debugger* debugger = eng_p->originalGlobalObject()->debugger())
        debugger->functionExit(QScriptValuePrivate::get(result)->jscValue, -1);

    if (!result.isObject())
        result = ctx->thisObject();

    eng_p->popContext();
    eng_p->currentFrame = oldFrame;

    return JSC::asObject(eng_p->scriptValueToJSCValue(result));
}

Properties

data

Data* QScript::FunctionWrapper::data

private

Definition at line 77 of file qscriptfunction_p.h.

Referenced by QScript::FunctionWithArgWrapper::arg(), function(), QScript::FunctionWithArgWrapper::function(), FunctionWrapper(), and ~FunctionWrapper().

info

const JSC::ClassInfo QScript::FunctionWrapper::info = { "QtNativeFunctionWrapper", &PrototypeFunction::info, 0, 0 }

static

Definition at line 63 of file qscriptfunction_p.h.

Referenced by classInfo(), QScript::FunctionWithArgWrapper::classInfo(), and QScript::QMetaObjectWrapperObject::execute().

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The documentation for this class was generated from the following files:

• /src/script/bridge/qscriptfunction_p.h
• /src/script/bridge/qscriptfunction.cpp