gistfile1.js

  CodeMirror.extendMode("clojure", {
    newlineAfterToken: function(type, content, textAfter) {
      console.log(type, content, textAfter);
      return /[\(\{\[].+\s/.test(content);
    }
  });
  
  // Applies automatic mode-aware indentation to the specified range
  CodeMirror.defineExtension("autoIndentRange", function (from, to) {
    var cmInstance = this;
    this.operation(function () {
      for (var i = from.line; i <= to.line; i++) {
        cmInstance.indentLine(i, "smart");
      }
    });
  });
  
  // Applies automatic formatting to the specified range
  CodeMirror.defineExtension("autoFormatRange", function (from, to) {
    var cm = this;
    var outer = cm.getMode(), text = cm.getRange(from, to).split("\n");
    var state = CodeMirror.copyState(outer, cm.getTokenAt(from).state);
    var tabSize = cm.getOption("tabSize");

    var out = "", lines = 0, atSol = from.ch == 0;
    function newline() {
      out += "\n";
      atSol = true;
      ++lines;
    }

    for (var i = 0; i < text.length; ++i) {
      var stream = new CodeMirror.StringStream(text[i], tabSize);
      while (!stream.eol()) {
        var inner = CodeMirror.innerMode(outer, state);
        var style = outer.token(stream, state), cur = stream.current();
        stream.start = stream.pos;
        if (!atSol || /\S/.test(cur)) {
          out += cur;
          atSol = false;
        }
        if (!atSol && inner.mode.newlineAfterToken &&
            inner.mode.newlineAfterToken(style, cur, stream.string.slice(stream.pos) || text[i+1] || "", inner.state))
          newline();
      }
      if (!stream.pos && outer.blankLine) outer.blankLine(state);
      if (!atSol) newline();
    }

    cm.operation(function () {
      cm.replaceRange(out, from, to);
      for (var cur = from.line + 1, end = from.line + lines; cur <= end; ++cur)
        cm.indentLine(cur, "smart");
      cm.setSelection(from, cm.getCursor(false));
    });
  });