text: define([
    "../CoderCtor"
  ],function(CoderCtor) {
  
    CoderCtor.partial({
      // Indent the given line. The how parameter can be "smart",
      // "add"/null, "subtract", or "prev". When aggressive is false
      // (typically set to true for forced single-line indents), empty
      // lines are not indented, and places where the mode returns Pass
      // are left alone.
      indentLine : function (n, how, aggressive) {
        var cm = this;
  
        var doc = cm.doc, state;
        if (how == null) how = "add";
        if (how == "smart") {
          // Fall back to "prev" when the mode doesn't have an indentation
          // method.
          if (!doc.mode.indent) how = "prev";
          else state = getStateBefore(cm, n);
        }
  
        var tabSize = cm.options.tabSize;
        var line = getLine(doc, n), 
            curSpace = countColumn(line.text, null, tabSize);
            
        if (line.stateAfter) line.stateAfter = null;
        var curSpaceString = line.text.match(/^\s*/)[0], indentation;
        if (!aggressive && !/\S/.test(line.text)) {
          indentation = 0;
          how = "not";
        } else if (how == "smart") {
          indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
          if (indentation == Pass || indentation > 150) {
            if (!aggressive) return;
            how = "prev";
          }
        }
        if (how == "prev") {
          if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
          else indentation = 0;
        } else if (how == "add") {
          indentation = curSpace + cm.options.indentUnit;
        } else if (how == "subtract") {
          indentation = curSpace - cm.options.indentUnit;
        } else if (typeof how == "number") {
          indentation = curSpace + how;
        }
        indentation = Math.max(0, indentation);
  
        var indentString = "", pos = 0;
        if (cm.options.indentWithTabs)
          for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
        if (pos < indentation) indentString += spaceStr(indentation - pos);
  
        if (indentString != curSpaceString) {
          replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
          line.stateAfter = null;
          return true;
        } else {
          // Ensure that, if the cursor was in the whitespace at the start
          // of the line, it is moved to the end of that space.
          for (var i = 0; i < doc.sel.ranges.length; i++) {
            var range = doc.sel.ranges[i];
            if (range.head.line == n && range.head.ch < curSpaceString.length) {
              var pos = Pos(n, curSpaceString.length);
              replaceOneSelection(doc, i, new Range(pos, pos));
              break;
            }
          }
        }
      }
    });
  
  });
  