GenerateBoxable(
AST.Exp exp,
System.Type tTarget
)
{
Debug.Assert(tTarget != null);
System.Type tSource = exp.CLRType;
exp.GenerateAsRight(this);
// Check if we need to box.
// Null expressions don't have a clr type. But they're not value
// types so they don't have to be boxed.
if (tSource != null)
{
// Strip off references to look at base types
if (tSource.IsByRef)
tSource = tSource.GetElementType();
if (tTarget.IsByRef)
tTarget = tTarget.GetElementType();
if (tSource.IsValueType && !tTarget.IsValueType)
m_ilGenerator.Emit(OpCodes.Box, tSource);
}
else
{
// Make sure this really is a null and not just an unresolved type
// Note that ArgExp can be null, but can't be boxed.
Debug.Assert(AST.Exp.CanBeNullType(exp));
}
}
