internal override void Walk()
{
CCTypeSet cts = Stack.Peek(0);
Stack.Peek(1).CheckInt();
CCTypeSet mv = null;
foreach (CCType tos in cts)
{
tos.xType.CheckExtends(owner);
CCType tos2 = tos.GetEmbedded(owner);
CCStruct cs = CCStruct.Lookup(tos2);
CCTypeSet vt = cs.Get(0);
if (vt != null)
{
if (mv == null)
{
mv = vt;
}
else
{
mv = CCTypeSet.Merge(mv, vt);
}
}
}
if (mv != null)
{
next.MergeStack(Stack.Pop(2).Push(mv));
}
}
internal override void Walk()
{
/*
* For all possible types of the TOS:
*
* 1. Verify that the accessor is usable on that type.
*
* 2. Obtain the right CCStruct, and get the types
* that may be thus obtained. The "right CCStruct"
* is the one for the CCType that matches the
* element type, and the allocation node and variant
* of the type found on the stack.
*
* 3. Merge all resulting types.
*/
CCTypeSet cts = Stack.Peek(0);
CCTypeSet mv = null;
foreach (CCType tos in cts)
{
tos.xType.CheckExtends(owner);
CCType tos2 = tos.GetEmbedded(owner);
CCStruct cs = CCStruct.Lookup(tos2);
CCTypeSet vt = cs.Get(owner.fieldInverseMapping[off]);
if (vt != null)
{
if (mv == null)
{
mv = vt;
}
else
{
mv = CCTypeSet.Merge(mv, vt);
}
}
}
if (mv != null)
{
next.MergeStack(Stack.Pop().Push(mv));
}
}