private bool _tryOptimizeConstCast(CompilerTarget target, AstConstant constSubject,
AstConstantTypeExpression constType, out AstExpr expr)
{
expr = null;
PType type;
try
{
type = target.Loader.ConstructPType(constType.TypeExpression);
}
catch (PrexoniteException)
{
//ignore, cast failed. cannot be optimized
return false;
}
PValue result;
if (constSubject.ToPValue(target).TryConvertTo(target.Loader, type, out result))
return AstConstant.TryCreateConstant(target, Position, result, out expr);
else
return false;
}
