Ejemplo n.º 1
0
        public static void AddVariant(
			string name,
			mysFunction variant,
			mysSymbolSpace global
		)
        {
            mysSymbol symbol = new mysSymbol( name );
            mysFunctionGroup fg;

            if ( !global.Defined( symbol ) ) {
                global.Define(
                    symbol,
                    new mysToken( new mysFunctionGroup() )
                );
            }

            fg = global
                .GetValue( new mysSymbol( name ) )
                .Value as mysFunctionGroup
            ;

            fg.Variants.Add( variant );
        }
Ejemplo n.º 2
0
        bool judgeVariant(
			mysFunction variant,
			List<mysToken> arguments,
			Stack<mysSymbolSpace> spaceStack
		)
        {
            // lh: make this a bit cleverer later to handle variadics.
            if ( variant.SignatureLength != arguments.Count ) {
                return false;
            }

            if ( variant.Signature
                .Zip(
                    arguments,
                    (type, token) => typeCheck( type, token, spaceStack )
                )
                // if the zip of our two collections is less than the count
                // we started with, at least one given token did not match
                // the sig, so we remove that variant from the potential
                // ones.
                .Where( p => p )
                .Count() != arguments.Count
            ) {
                return false;
            }

            return true;
        }