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C++ VMFrame类代码示例

本文整理汇总了C++中VMFrame类的典型用法代码示例。如果您正苦于以下问题：C++ VMFrame类的具体用法？C++ VMFrame怎么用？C++ VMFrame使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了VMFrame类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: scope

void JS_FASTCALL
stubs::SetName(VMFrame &f, PropertyName *name)
{
    AssertCanGC();
    JSContext *cx = f.cx;
    RootedObject scope(cx, &f.regs.sp[-2].toObject());
    HandleValue value = HandleValue::fromMarkedLocation(&f.regs.sp[-1]);
    RootedScript fscript(cx, f.script());

    if (!SetNameOperation(cx, fscript, f.pc(), scope, value))
        THROW();

    f.regs.sp[-2] = f.regs.sp[-1];
}
开发者ID:Web5design，项目名称:mozilla-central，代码行数:14，代码来源:StubCalls.cpp

示例2: FinishVarIncOp

static void
FinishVarIncOp(VMFrame &f, RejoinState rejoin, Value ov, Value nv, Value *vp)
{
    /* Finish an increment operation on a LOCAL or ARG. These do not involve property accesses. */
    JS_ASSERT(rejoin == REJOIN_POS || rejoin == REJOIN_BINARY);

    JSContext *cx = f.cx;

    JSOp op = JSOp(*f.pc());
    JS_ASSERT(op == JSOP_LOCALINC || op == JSOP_INCLOCAL ||
              op == JSOP_LOCALDEC || op == JSOP_DECLOCAL ||
              op == JSOP_ARGINC || op == JSOP_INCARG ||
              op == JSOP_ARGDEC || op == JSOP_DECARG);
    const JSCodeSpec *cs = &js_CodeSpec[op];

    if (rejoin == REJOIN_POS) {
        double d = ov.toNumber();
        double N = (cs->format & JOF_INC) ? 1 : -1;
        if (!nv.setNumber(d + N)) {
            RootedScript fscript(cx, f.script());
            types::TypeScript::MonitorOverflow(cx, fscript, f.pc());
        }
    }

    unsigned i = GET_SLOTNO(f.pc());
    if (JOF_TYPE(cs->format) == JOF_LOCAL)
        f.fp()->unaliasedLocal(i) = nv;
    else if (f.fp()->script()->argsObjAliasesFormals())
        f.fp()->argsObj().setArg(i, nv);
    else
        f.fp()->unaliasedFormal(i) = nv;

    *vp = (cs->format & JOF_POST) ? ov : nv;
}
开发者ID:LyeSS，项目名称:mozilla-central，代码行数:34，代码来源:InvokeHelpers.cpp

示例3: InlineReturn

/*
 * Clean up a frame and return.
 */
static void
InlineReturn(VMFrame &f)
{
    JS_ASSERT(f.fp() != f.entryfp);
    JS_ASSERT(!js_IsActiveWithOrBlock(f.cx, &f.fp()->scopeChain(), 0));
    f.cx->stack.popInlineFrame(f.regs);

    JS_ASSERT(*f.regs.pc == JSOP_CALL ||
              *f.regs.pc == JSOP_NEW ||
              *f.regs.pc == JSOP_EVAL ||
              *f.regs.pc == JSOP_FUNCALL ||
              *f.regs.pc == JSOP_FUNAPPLY);
    f.regs.pc += JSOP_CALL_LENGTH;
}
开发者ID:Egyptghost1，项目名称:DOMinator，代码行数:17，代码来源:InvokeHelpers.cpp

示例4: Alloc

VMFrame *VMFrameStack::AllocFrame(VMScriptFunction *func)
{
	int size = VMFrame::FrameSize(func->NumRegD, func->NumRegF, func->NumRegS, func->NumRegA,
		func->MaxParam, func->ExtraSpace);
	VMFrame *frame = Alloc(size);
	frame->Func = func;
	frame->NumRegD = func->NumRegD;
	frame->NumRegF = func->NumRegF;
	frame->NumRegS = func->NumRegS;
	frame->NumRegA = func->NumRegA;
	frame->MaxParam = func->MaxParam;
	frame->Func = func;
	frame->InitRegS();
	return frame;
}
开发者ID:Accusedbold，项目名称:zdoom，代码行数:15，代码来源:vmframe.cpp

示例5: THROW

void JS_FASTCALL
stubs::Ursh(VMFrame &f)
{
    uint32_t u;
    if (!ToUint32(f.cx, f.regs.sp[-2], &u))
        THROW();
    int32_t j;
    if (!ToInt32(f.cx, f.regs.sp[-1], &j))
        THROW();

    u >>= (j & 31);

	if (!f.regs.sp[-2].setNumber(uint32_t(u)))
        TypeScript::MonitorOverflow(f.cx, f.script(), f.pc());
}
开发者ID:msliu，项目名称:mozilla-central，代码行数:15，代码来源:StubCalls.cpp

示例6: InlineReturn

/*
 * Clean up a frame and return.
 */
static void
InlineReturn(VMFrame &f)
{
    JS_ASSERT(f.fp() != f.entryfp);
    JS_ASSERT(!IsActiveWithOrBlock(f.cx, f.fp()->scopeChain(), 0));
    JS_ASSERT(!f.fp()->hasBlockChain());
    f.cx->stack.popInlineFrame(f.regs);

    DebugOnly<JSOp> op = JSOp(*f.regs.pc);
    JS_ASSERT(op == JSOP_CALL ||
              op == JSOP_NEW ||
              op == JSOP_EVAL ||
              op == JSOP_FUNCALL ||
              op == JSOP_FUNAPPLY);
    f.regs.pc += JSOP_CALL_LENGTH;
}
开发者ID:michaelrhanson，项目名称:mozilla-central，代码行数:19，代码来源:InvokeHelpers.cpp

示例7: UpdateSetGlobalName

static LookupStatus
UpdateSetGlobalName(VMFrame &f, ic::SetGlobalNameIC *ic, JSObject *obj, Shape *shape)
{
    /* Give globals a chance to appear. */
    if (!shape)
        return Lookup_Uncacheable;

    if (!shape->hasDefaultSetter() ||
        !shape->writable() ||
        !shape->hasSlot() ||
        obj->watched())
    {
        /* Disable the IC for weird shape attributes and watchpoints. */
        PatchSetFallback(f, ic);
        return Lookup_Uncacheable;
    }

    /* Object is not branded, so we can use the inline path. */
    Repatcher repatcher(f.chunk());
    ic->patchInlineShapeGuard(repatcher, obj->lastProperty());

    uint32_t index = obj->dynamicSlotIndex(shape->slot());
    JSC::CodeLocationLabel label = ic->fastPathStart.labelAtOffset(ic->loadStoreOffset);
    repatcher.patchAddressOffsetForValueStore(label, index * sizeof(Value),
                                              ic->vr.isTypeKnown());

    return Lookup_Cacheable;
}
开发者ID:CrtronicsStudio，项目名称:spidermonkey，代码行数:28，代码来源:MonoIC.cpp

示例8: fscript

void JS_FASTCALL
stubs::SlowCall(VMFrame &f, uint32_t argc)
{
    if (*f.regs.pc == JSOP_FUNAPPLY && !GuardFunApplyArgumentsOptimization(f.cx))
        THROW();

    CallArgs args = CallArgsFromSp(argc, f.regs.sp);
    RootedScript fscript(f.cx, f.script());

    if (!MaybeCloneAndPatchCallee(f.cx, args, fscript, f.pc()))
        THROW();
    if (!InvokeKernel(f.cx, args))
        THROW();

    types::TypeScript::Monitor(f.cx, fscript, f.pc(), args.rval());
}
开发者ID:vvuk，项目名称:mozilla-central，代码行数:16，代码来源:InvokeHelpers.cpp

示例9: PatchGetFallback

static void
PatchGetFallback(VMFrame &f, ic::GetGlobalNameIC *ic)
{
    Repatcher repatch(f.chunk());
    JSC::FunctionPtr fptr(JS_FUNC_TO_DATA_PTR(void *, stubs::Name));
    repatch.relink(ic->slowPathCall, fptr);
}
开发者ID:CrtronicsStudio，项目名称:spidermonkey，代码行数:7，代码来源:MonoIC.cpp

示例10: UpdateSetGlobalName

void JS_FASTCALL
ic::SetGlobalName(VMFrame &f, ic::SetGlobalNameIC *ic)
{
    JSObject *obj = f.fp()->scopeChain().getGlobal();
    JSScript *script = f.script();
    JSAtom *atom = script->getAtom(GET_INDEX(f.pc()));
    const Shape *shape = obj->nativeLookup(f.cx, ATOM_TO_JSID(atom));

    LookupStatus status = UpdateSetGlobalName(f, ic, obj, shape);
    if (status == Lookup_Error)
        THROW();

    if (ic->usePropertyCache)
        STRICT_VARIANT(stubs::SetGlobalName)(f, atom);
    else
        STRICT_VARIANT(stubs::SetGlobalNameNoCache)(f, atom);
}
开发者ID:moussa1，项目名称:mozilla-central，代码行数:17，代码来源:MonoIC.cpp

示例11: CallArgsFromSp

void JS_FASTCALL
stubs::Eval(VMFrame &f, uint32 argc)
{
    CallArgs args = CallArgsFromSp(argc, f.regs.sp);

    if (!IsBuiltinEvalForScope(&f.fp()->scopeChain(), args.calleev())) {
        if (!Invoke(f.cx, args))
            THROW();
        return;
    }

    JS_ASSERT(f.fp() == f.cx->fp());
    if (!DirectEval(f.cx, args))
        THROW();

    f.regs.sp = args.spAfterCall();
}
开发者ID:Egyptghost1，项目名称:DOMinator，代码行数:17，代码来源:InvokeHelpers.cpp

示例12: PatchSetFallback

static void
PatchSetFallback(VMFrame &f, ic::SetGlobalNameIC *ic)
{
    Repatcher repatch(f.chunk());
    VoidStubSetGlobal stub = DisabledSetGlobal;
    JSC::FunctionPtr fptr(JS_FUNC_TO_DATA_PTR(void *, stub));
    repatch.relink(ic->slowPathCall, fptr);
}
开发者ID:mjschranz，项目名称:mozilla-central，代码行数:8，代码来源:MonoIC.cpp

示例13: Alloc

VMFrame *VMFrameStack::AllocFrame(VMScriptFunction *func)
{
	VMFrame *frame = Alloc(func->StackSize);
	frame->Func = func;
	frame->NumRegD = func->NumRegD;
	frame->NumRegF = func->NumRegF;
	frame->NumRegS = func->NumRegS;
	frame->NumRegA = func->NumRegA;
	frame->MaxParam = func->MaxParam;
	frame->Func = func;
	frame->InitRegS();
	if (func->SpecialInits.Size())
	{
		func->InitExtra(frame->GetExtra());
	}
	return frame;
}
开发者ID:ArcticPheenix，项目名称:gzdoom，代码行数:17，代码来源:vmframe.cpp

示例14: id

void JS_FASTCALL
stubs::ToId(VMFrame &f)
{
    Value &objval = f.regs.sp[-2];
    Value &idval  = f.regs.sp[-1];

    JSObject *obj = ValueToObject(f.cx, objval);
    if (!obj)
        THROW();

    RootedId id(f.cx);
    if (!FetchElementId(f.cx, obj, idval, id.address(), &idval))
        THROW();

    if (!idval.isInt32())
        TypeScript::MonitorUnknown(f.cx, f.script(), f.pc());
}
开发者ID:msliu，项目名称:mozilla-central，代码行数:17，代码来源:StubCalls.cpp

示例15: obj

void JS_FASTCALL
ic::SetGlobalName(VMFrame &f, ic::SetGlobalNameIC *ic)
{
    RootedObject obj(f.cx, &f.fp()->global());
    RootedPropertyName name(f.cx, f.script()->getName(GET_UINT32_INDEX(f.pc())));

    RecompilationMonitor monitor(f.cx);

    Shape *shape = obj->nativeLookup(f.cx, NameToId(name));

    if (!monitor.recompiled()) {
        LookupStatus status = UpdateSetGlobalName(f, ic, obj, shape);
        if (status == Lookup_Error)
            THROW();
    }

    STRICT_VARIANT(f.script(), stubs::SetGlobalName)(f, name);
}
开发者ID:CrtronicsStudio，项目名称:spidermonkey，代码行数:18，代码来源:MonoIC.cpp


注：本文中的VMFrame类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。