C++ (Cpp) jsd_NewValue示例

示例#1

文件： jsd_val.c 项目： moussa1/mozilla-central

static JSDProperty* _newProperty(JSDContext* jsdc, JSPropertyDesc* pd,
                                 uintN additionalFlags)
{
    JSDProperty* jsdprop;

    if(!(jsdprop = (JSDProperty*) calloc(1, sizeof(JSDProperty))))
        return NULL;

    JS_INIT_CLIST(&jsdprop->links);
    jsdprop->nref = 1;
    jsdprop->flags = pd->flags | additionalFlags;
    jsdprop->slot = pd->slot;

    if(!(jsdprop->name = jsd_NewValue(jsdc, pd->id)))
        goto new_prop_fail;

    if(!(jsdprop->val = jsd_NewValue(jsdc, pd->value)))
        goto new_prop_fail;

    if((jsdprop->flags & JSDPD_ALIAS) &&
       !(jsdprop->alias = jsd_NewValue(jsdc, pd->alias)))
        goto new_prop_fail;

    return jsdprop;
new_prop_fail:
    jsd_DropProperty(jsdc, jsdprop);
    return NULL;
}

示例#2

文件： jsd_val.c 项目： moussa1/mozilla-central

JSDValue*
jsd_GetValueParent(JSDContext* jsdc, JSDValue* jsdval)
{
    JSCrossCompartmentCall *call = NULL;

    if(!(CHECK_BIT_FLAG(jsdval->flags, GOT_PARENT)))
    {
        JSObject* obj;
        JSObject* parent;
        JS_ASSERT(!jsdval->parent);
        SET_BIT_FLAG(jsdval->flags, GOT_PARENT);
        if(!JSVAL_IS_OBJECT(jsdval->val))
            return NULL;
        if(!(obj = JSVAL_TO_OBJECT(jsdval->val)))
            return NULL;
        JS_BeginRequest(jsdc->dumbContext);
        call = JS_EnterCrossCompartmentCall(jsdc->dumbContext, obj);
        if(!call) {
            JS_EndRequest(jsdc->dumbContext);

            return NULL;
        }
        parent = JS_GetParent(jsdc->dumbContext,obj);
        JS_LeaveCrossCompartmentCall(call);
        JS_EndRequest(jsdc->dumbContext);
        if(!parent)
            return NULL;
        jsdval->parent = jsd_NewValue(jsdc, OBJECT_TO_JSVAL(parent));
    }
    if(jsdval->parent)
        jsdval->parent->nref++;
    return jsdval->parent;
}

示例#3

文件： jsd_val.c 项目： moussa1/mozilla-central

JSDValue*
jsd_GetValuePrototype(JSDContext* jsdc, JSDValue* jsdval)
{
    JSCrossCompartmentCall *call = NULL;

    if(!(CHECK_BIT_FLAG(jsdval->flags, GOT_PROTO)))
    {
        JSObject* obj;
        JSObject* proto;
        JS_ASSERT(!jsdval->proto);
        SET_BIT_FLAG(jsdval->flags, GOT_PROTO);
        if(!JSVAL_IS_OBJECT(jsdval->val))
            return NULL;
        if(!(obj = JSVAL_TO_OBJECT(jsdval->val)))
            return NULL;
        JS_BeginRequest(jsdc->dumbContext);
        call = JS_EnterCrossCompartmentCall(jsdc->dumbContext, obj);
        if(!call) {
            JS_EndRequest(jsdc->dumbContext);

            return NULL;
        }
        proto = JS_GetPrototype(jsdc->dumbContext, obj);
        JS_LeaveCrossCompartmentCall(call);
        JS_EndRequest(jsdc->dumbContext);
        if(!proto)
            return NULL;
        jsdval->proto = jsd_NewValue(jsdc, OBJECT_TO_JSVAL(proto));
    }
    if(jsdval->proto)
        jsdval->proto->nref++;
    return jsdval->proto;
}

示例#4

文件： jsd_val.c 项目： MozillaOnline/gecko-dev

JSDValue*
jsd_GetValueConstructor(JSDContext* jsdc, JSDValue* jsdval)
{
    if(!(CHECK_BIT_FLAG(jsdval->flags, GOT_CTOR)))
    {
        JSObject* obj;
        JSObject* proto;
        JSObject* ctor;
        JS_ASSERT(!jsdval->ctor);
        SET_BIT_FLAG(jsdval->flags, GOT_CTOR);
        if(!JSVAL_IS_OBJECT(jsdval->val))
            return NULL;
        if(!(obj = JSVAL_TO_OBJECT(jsdval->val)))
            return NULL;
        JS_BeginRequest(jsdc->dumbContext);
        proto = JS_GetPrototype(jsdc->dumbContext,obj);
        if(!proto)
        {
            JS_EndRequest(jsdc->dumbContext);
            return NULL;
        }
        ctor = JS_GetConstructor(jsdc->dumbContext,proto);
        JS_EndRequest(jsdc->dumbContext);
        if(!ctor)
            return NULL;
        jsdval->ctor = jsd_NewValue(jsdc, OBJECT_TO_JSVAL(ctor));
    }
    if(jsdval->ctor)
        jsdval->ctor->nref++;
    return jsdval->ctor;
}

示例#5

文件： jsd_val.cpp 项目： mvarie/Spidermonkey

JSDValue*
jsd_GetValueConstructor(JSDContext* jsdc, JSDValue* jsdval)
{
    JSCompartment* oldCompartment = NULL;
    JSContext* cx = jsdc->dumbContext;

    if(!(CHECK_BIT_FLAG(jsdval->flags, GOT_CTOR)))
    {
        JS::RootedObject obj(cx);
        JS::RootedObject proto(cx);
        JS::RootedObject ctor(cx);
        JS_ASSERT(!jsdval->ctor);
        SET_BIT_FLAG(jsdval->flags, GOT_CTOR);
        if(JSVAL_IS_PRIMITIVE(jsdval->val))
            return NULL;
        obj = JSVAL_TO_OBJECT(jsdval->val);
        if(!JS_GetPrototype(cx, obj, proto.address()))
            return NULL;
        if(!proto)
            return NULL;
        JS_BeginRequest(jsdc->dumbContext);
        oldCompartment = JS_EnterCompartment(jsdc->dumbContext, obj);
        ctor = JS_GetConstructor(jsdc->dumbContext,proto);
        JS_LeaveCompartment(jsdc->dumbContext, oldCompartment);
        JS_EndRequest(jsdc->dumbContext);
        if(!ctor)
            return NULL;
        jsdval->ctor = jsd_NewValue(jsdc, OBJECT_TO_JSVAL(ctor));
    }
    if(jsdval->ctor)
        jsdval->ctor->nref++;
    return jsdval->ctor;
}

示例#6

文件： jsd_val.cpp 项目： mvarie/Spidermonkey

JSDValue*
jsd_GetValueParent(JSDContext* jsdc, JSDValue* jsdval)
{
    JSCompartment* oldCompartment = NULL;

    if(!(CHECK_BIT_FLAG(jsdval->flags, GOT_PARENT)))
    {
        JSContext* cx = jsdc->dumbContext;

        JS::RootedObject obj(cx);
        JS::RootedObject parent(cx);
        JS_ASSERT(!jsdval->parent);
        SET_BIT_FLAG(jsdval->flags, GOT_PARENT);
        if(JSVAL_IS_PRIMITIVE(jsdval->val))
            return NULL;
        obj = JSVAL_TO_OBJECT(jsdval->val);
        JS_BeginRequest(jsdc->dumbContext);
        oldCompartment = JS_EnterCompartment(jsdc->dumbContext, obj);
        parent = JS_GetParentOrScopeChain(jsdc->dumbContext,obj);
        JS_LeaveCompartment(jsdc->dumbContext, oldCompartment);
        JS_EndRequest(jsdc->dumbContext);
        if(!parent)
            return NULL;
        jsdval->parent = jsd_NewValue(jsdc, OBJECT_TO_JSVAL(parent));
    }
    if(jsdval->parent)
        jsdval->parent->nref++;
    return jsdval->parent;
}

示例#7

文件： jsd_stak.c 项目： lofter2011/Icefox

JSDValue*
jsd_GetException(JSDContext* jsdc, JSDThreadState* jsdthreadstate)
{
    JSContext* cx;
    jsval val;

    if(!(cx = _getContextForThreadState(jsdc, jsdthreadstate)))
        return NULL;

    if(JS_GetPendingException(cx, &val))
        return jsd_NewValue(jsdc, val);
    return NULL;
}        

示例#8

文件： jsd_val.cpp 项目： Lynart/mozilla-central

JSDValue*
jsd_GetValuePrototype(JSDContext* jsdc, JSDValue* jsdval)
{
    if(!(CHECK_BIT_FLAG(jsdval->flags, GOT_PROTO)))
    {
        JSObject* obj;
        JSObject* proto;
        JS_ASSERT(!jsdval->proto);
        SET_BIT_FLAG(jsdval->flags, GOT_PROTO);
        if(JSVAL_IS_PRIMITIVE(jsdval->val))
            return NULL;
        obj = JSVAL_TO_OBJECT(jsdval->val);
        proto = JS_GetPrototype(obj);
        if(!proto)
            return NULL;
        jsdval->proto = jsd_NewValue(jsdc, OBJECT_TO_JSVAL(proto));
    }
    if(jsdval->proto)
        jsdval->proto->nref++;
    return jsdval->proto;
}

示例#9

文件： jsd_val.cpp 项目： mvarie/Spidermonkey

JSDValue*
jsd_GetValuePrototype(JSDContext* jsdc, JSDValue* jsdval)
{
    JSContext* cx = jsdc->dumbContext;
    if(!(CHECK_BIT_FLAG(jsdval->flags, GOT_PROTO)))
    {
        JS::RootedObject obj(cx);
        JS::RootedObject proto(cx);
        JS_ASSERT(!jsdval->proto);
        SET_BIT_FLAG(jsdval->flags, GOT_PROTO);
        if(JSVAL_IS_PRIMITIVE(jsdval->val))
            return NULL;
        obj = JSVAL_TO_OBJECT(jsdval->val);
        if(!JS_GetPrototype(cx, obj, proto.address()))
            return NULL;
        if(!proto)
            return NULL;
        jsdval->proto = jsd_NewValue(jsdc, OBJECT_TO_JSVAL(proto));
    }
    if(jsdval->proto)
        jsdval->proto->nref++;
    return jsdval->proto;
}

示例#10

文件： jsd_obj.c 项目： pope/APE_Server

JSDValue*
jsd_GetValueForObject(JSDContext* jsdc, JSDObject* jsdobj)
{
    return jsd_NewValue(jsdc, OBJECT_TO_JSVAL(jsdobj->obj));
}

示例#11

JSD_NewValue(JSDContext* jsdc, jsval val)
{
    JSD_ASSERT_VALID_CONTEXT(jsdc);
    return jsd_NewValue(jsdc, val);
}