root/core/avm.cpp

DEFINITIONS

1. isFunction
2. getFunctionCodeContext
3. getClassCodeContext

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#include "avmplus.h"

namespace avm {

        // you probably don't want to open this namespace.
        // using namespace avmplus;

        // -------- AvmObject --------

        bool isFunction(Object o)
        {
                avmplus::ScriptObject* so = avmplus::avmFromObject(o);
                return so && so->core()->isFunction(so->atom());
        }

        CodeContext getFunctionCodeContext(Object o)
        {
                if (!isFunction(o))
                {
                        AvmAssert(!"Only Function is legal here.");
                        return NULL;
                }
                avmplus::ScriptObject* so = avmplus::avmFromObject(o);
        //      avmplus::CodeContext* cc = ((avmplus::FunctionObject*)so)->getFunctionCodeContext();
        // getFunctionCodeContext() has been temporarily relocated to ScriptObject, as AIR defines
        // some classes that are subclasses of Function (in AS3) but not of FunctionObject (in C++)...
                avmplus::CodeContext* cc = ((avmplus::ScriptObject*)so)->getFunctionCodeContext();
                return avmToCodeContext(cc);
        }

        CodeContext getClassCodeContext(Object o)
        {
                if (!o)
                        return NULL;
                avmplus::ScriptObject* so = avmplus::avmFromObject(o);
                if (so->core()->isFunction(so->atom()))
                {
                        AvmAssert(!"Function or MC is not legal here.");
                        return NULL;
                }
                avmplus::TraitsPosType t = so->traits()->posType();
                if (t == avmplus::TRAITSTYPE_CATCH || t == avmplus::TRAITSTYPE_ACTIVATION)
                {
                        AvmAssert(!"Activation and Catch objects are not legal here.");
                        return NULL;
                }
                avmplus::MethodEnv* init = so->vtable->init;
                if (!init)
                {
                        AvmAssert(!"init method is null, should not be possible.");
                        return NULL;
                }
                avmplus::CodeContext* cc = init->scope()->abcEnv()->codeContext();
                return avmToCodeContext(cc);
        }

} // namespace avm