Exemplos de AbstractFramePtr::isGlobalFrame em C++ (Cpp)

Exemplo n.º 1

void
StackFrame::initExecuteFrame(JSContext *cx, JSScript *script, AbstractFramePtr evalInFramePrev,
                             const Value &thisv, JSObject &scopeChain, ExecuteType type)
{
    /*
     * See encoding of ExecuteType. When GLOBAL isn't set, we are executing a
     * script in the context of another frame and the frame type is determined
     * by the context.
     */
    flags_ = type | HAS_SCOPECHAIN;

    JSObject *callee = nullptr;
    if (!(flags_ & (GLOBAL))) {
        if (evalInFramePrev) {
            JS_ASSERT(evalInFramePrev.isFunctionFrame() || evalInFramePrev.isGlobalFrame());
            if (evalInFramePrev.isFunctionFrame()) {
                callee = evalInFramePrev.callee();
                flags_ |= FUNCTION;
            } else {
                flags_ |= GLOBAL;
            }
        } else {
            ScriptFrameIter iter(cx);
            JS_ASSERT(iter.isFunctionFrame() || iter.isGlobalFrame());
            if (iter.isFunctionFrame()) {
                callee = iter.callee();
                flags_ |= FUNCTION;
            } else {
                flags_ |= GLOBAL;
            }
        }
    }

    Value *dstvp = (Value *)this - 2;
    dstvp[1] = thisv;

    if (isFunctionFrame()) {
        dstvp[0] = ObjectValue(*callee);
        exec.fun = &callee->as<JSFunction>();
        u.evalScript = script;
    } else {
        JS_ASSERT(isGlobalFrame());
        dstvp[0] = NullValue();
        exec.script = script;
#ifdef DEBUG
        u.evalScript = (JSScript *)0xbad;
#endif
    }

    scopeChain_ = &scopeChain;
    prev_ = nullptr;
    prevpc_ = nullptr;
    prevsp_ = nullptr;

    JS_ASSERT_IF(evalInFramePrev, isDebuggerFrame());
    evalInFramePrev_ = evalInFramePrev;

#ifdef DEBUG
    Debug_SetValueRangeToCrashOnTouch(&rval_, 1);
    hookData_ = (void *)0xbad;
#endif
}