Function InputStream

js/SCASTPY.js:226–256

(input)

    }

    function InputStream(input) {
        var pos = 0, line = 1, col = 0;
        return {
            next  : next,
            peek  : peek,
            eof   : eof,
            croak : croak,
            poi   : poi
        };
        function next() {
            var ch = input.charAt(pos++);
            if (ch == "\n") line++, col = 0; else col++;
            return ch;
        }
        function peek(i=0) {
            return input.charAt(pos+i);
        }
        function poi() {
            return {
                line: line,
                column: col,
                pos:pos,
            }
        }
        function eof() {
            return peek() == "";
        }
        function croak(msg) {
            throw new Error(msg + " (" + line + ":" + col + ")");
        }
    }

    function parse(input){
        var isclass=false