Spark.Emit.HLSL.EmitContextHLSL.GetElementCtor C# (CSharp) Method

        private ElementCtorInfo GetElementCtor(MidElementDecl elementDecl)
        {
            ElementCtorInfo result;
            if (_elementCtors.TryGetValue(elementDecl, out result))
                return result;

            string name = "Ctor_" + elementDecl.Name.ToString();
            var inputAttributes = (from a in elementDecl.Attributes
                                   where a.Exp == null // \todo: real test for input-ness
                                   select a).ToArray();

            result = new ElementCtorInfo(
                name,
                elementDecl,
                inputAttributes);

            var span = new Span();

            span.WriteLine("void {0}(", name);

            var resultType = EmitType(elementDecl);

            bool first = true;
            var resultParam = DeclareOutParam("__result", resultType, span, ref first);

            foreach (var a in inputAttributes)
            {
                var attrName = MapName(a);
                var attrType = EmitType(a.Type);

                var attrParam = DeclareParam(
                    attrName,
                    attrType,
                    span,
                    ref first);

                _attrVals[a] = attrParam;

            }
            span.WriteLine(")");
            span.WriteLine("{");

            var resultAttrs = (from a in elementDecl.Attributes
                               where a.IsOutput
                               select EmitAttribRef(a, span)).ToArray();

            var resultVal = new TupleValHLSL(
                (IAggTypeHLSL) resultType,
                resultAttrs);

            Assign(resultParam, resultVal, span);

            span.WriteLine("}");

            _subroutineHeaderSpan.Add(span);

            _elementCtors[elementDecl] = result;
            return result;
        }