Function clipPos

tools/pythonauto/static/codemirrorepl/codemirrorepl.js:1440–1447

(pos)

        function clipLine(n) {return Math.max(0, Math.min(n, doc.size-1));}
        function clipPos(pos) {
            if (pos.line < 0) return {line: 0, ch: 0};
            if (pos.line >= doc.size) return {line: doc.size-1, ch: getLine(doc.size-1).text.length};
            var ch = pos.ch, linelen = getLine(pos.line).text.length;
            if (ch == null || ch > linelen) return {line: pos.line, ch: linelen};
            else if (ch < 0) return {line: pos.line, ch: 0};
            else return pos;
        }

        function findPosH(dir, unit) {
            var end = sel.inverted ? sel.from : sel.to, line = end.line, ch = end.ch;