core/avm.cpp

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  39
  40 #include "avmplus.h"
  41
  42 namespace avm {
  43
  44     // you probably don't want to open this namespace.
  45     // using namespace avmplus;
  46
  47     // -------- AvmObject --------
  48
  49     bool isFunction(Object o)
  50     {
  51         avmplus::ScriptObject* so = avmplus::avmFromObject(o);
  52         return so && so->core()->isFunction(so->atom());
  53     }
  54
  55     CodeContext getFunctionCodeContext(Object o)
  56     {
  57         if (!isFunction(o))
  58         {
  59             AvmAssert(!"Only Function is legal here.");
  60             return NULL;
  61         }
  62         avmplus::ScriptObject* so = avmplus::avmFromObject(o);
  63     //  avmplus::CodeContext* cc = ((avmplus::FunctionObject*)so)->getFunctionCodeContext();
  64     // getFunctionCodeContext() has been temporarily relocated to ScriptObject, as AIR defines
  65     // some classes that are subclasses of Function (in AS3) but not of FunctionObject (in C++)...
  66         avmplus::CodeContext* cc = ((avmplus::ScriptObject*)so)->getFunctionCodeContext();
  67         return avmToCodeContext(cc);
  68     }
  69
  70     CodeContext getClassCodeContext(Object o)
  71     {
  72         if (!o)
  73             return NULL;
  74         avmplus::ScriptObject* so = avmplus::avmFromObject(o);
  75         if (so->core()->isFunction(so->atom()))
  76         {
  77             AvmAssert(!"Function or MC is not legal here.");
  78             return NULL;
  79         }
  80         avmplus::TraitsPosType t = so->traits()->posType();
  81         if (t == avmplus::TRAITSTYPE_CATCH || t == avmplus::TRAITSTYPE_ACTIVATION)
  82         {
  83             AvmAssert(!"Activation and Catch objects are not legal here.");
  84             return NULL;
  85         }
  86         avmplus::MethodEnv* init = so->vtable->init;
  87         if (!init)
  88         {
  89             AvmAssert(!"init method is null, should not be possible.");
  90             return NULL;
  91         }
  92         avmplus::CodeContext* cc = init->scope()->abcEnv()->codeContext();
  93         return avmToCodeContext(cc);
  94     }
  95
  96 } // namespace avm
  97