text: // CodeMirror, copyright (c) by Marijn Haverbeke and others
  
  // Distributed under an MIT license: http://codemirror.net/LICENSE
  
  
  
  (function(mod) {
  
    if (typeof exports == "object" && typeof module == "object") // CommonJS
  
      mod(require("../../lib/codemirror"));
  
    else if (typeof define == "function" && define.amd) // AMD
  
      define(["../../lib/codemirror"], mod);
  
    else // Plain browser env
  
      mod(CodeMirror);
  
  })(function(CodeMirror) {
  
    "use strict";
  
  
  
    CodeMirror.defineSimpleMode = function(name, states) {
  
      CodeMirror.defineMode(name, function(config) {
  
        return CodeMirror.simpleMode(config, states);
  
      });
  
    };
  
  
  
    CodeMirror.simpleMode = function(config, states) {
  
      ensureState(states, "start");
  
      var states_ = {}, meta = states.meta || {}, hasIndentation = false;
  
      for (var state in states) if (state != meta && states.hasOwnProperty(state)) {
  
        var list = states_[state] = [], orig = states[state];
  
        for (var i = 0; i < orig.length; i++) {
  
          var data = orig[i];
  
          list.push(new Rule(data, states));
  
          if (data.indent || data.dedent) hasIndentation = true;
  
        }
  
      }
  
      var mode = {
  
        startState: function() {
  
          return {state: "start", pending: null,
  
                  local: null, localState: null,
  
                  indent: hasIndentation ? [] : null};
  
        },
  
        copyState: function(state) {
  
          var s = {state: state.state, pending: state.pending,
  
                   local: state.local, localState: null,
  
                   indent: state.indent && state.indent.slice(0)};
  
          if (state.localState)
  
            s.localState = CodeMirror.copyState(state.local.mode, state.localState);
  
          if (state.stack)
  
            s.stack = state.stack.slice(0);
  
          for (var pers = state.persistentStates; pers; pers = pers.next)
  
            s.persistentStates = {mode: pers.mode,
  
                                  spec: pers.spec,
  
                                  state: pers.state == state.localState ? s.localState : CodeMirror.copyState(pers.mode, pers.state),
  
                                  next: s.persistentStates};
  
          return s;
  
        },
  
        token: tokenFunction(states_, config),
  
        innerMode: function(state) { return state.local && {mode: state.local.mode, state: state.localState}; },
  
        indent: indentFunction(states_, meta)
  
      };
  
      if (meta) for (var prop in meta) if (meta.hasOwnProperty(prop))
  
        mode[prop] = meta[prop];
  
      return mode;
  
    };
  
  
  
    function ensureState(states, name) {
  
      if (!states.hasOwnProperty(name))
  
        throw new Error("Undefined state " + name + " in simple mode");
  
    }
  
  
  
    function toRegex(val, caret) {
  
      if (!val) return /(?:)/;
  
      var flags = "";
  
      if (val instanceof RegExp) {
  
        if (val.ignoreCase) flags = "i";
  
        val = val.source;
  
      } else {
  
        val = String(val);
  
      }
  
      return new RegExp((caret === false ? "" : "^") + "(?:" + val + ")", flags);
  
    }
  
  
  
    function asToken(val) {
  
      if (!val) return null;
  
      if (typeof val == "string") return val.replace(/\./g, " ");
  
      var result = [];
  
      for (var i = 0; i < val.length; i++)
  
        result.push(val[i] && val[i].replace(/\./g, " "));
  
      return result;
  
    }
  
  
  
    function Rule(data, states) {
  
      if (data.next || data.push) ensureState(states, data.next || data.push);
  
      this.regex = toRegex(data.regex);
  
      this.token = asToken(data.token);
  
      this.data = data;
  
    }
  
  
  
    function tokenFunction(states, config) {
  
      return function(stream, state) {
  
        if (state.pending) {
  
          var pend = state.pending.shift();
  
          if (state.pending.length == 0) state.pending = null;
  
          stream.pos += pend.text.length;
  
          return pend.token;
  
        }
  
  
  
        if (state.local) {
  
          if (state.local.end && stream.match(state.local.end)) {
  
            var tok = state.local.endToken || null;
  
            state.local = state.localState = null;
  
            return tok;
  
          } else {
  
            var tok = state.local.mode.token(stream, state.localState), m;
  
            if (state.local.endScan && (m = state.local.endScan.exec(stream.current())))
  
              stream.pos = stream.start + m.index;
  
            return tok;
  
          }
  
        }
  
  
  
        var curState = states[state.state];
  
        for (var i = 0; i < curState.length; i++) {
  
          var rule = curState[i];
  
          var matches = (!rule.data.sol || stream.sol()) && stream.match(rule.regex);
  
          if (matches) {
  
            if (rule.data.next) {
  
              state.state = rule.data.next;
  
            } else if (rule.data.push) {
  
              (state.stack || (state.stack = [])).push(state.state);
  
              state.state = rule.data.push;
  
            } else if (rule.data.pop && state.stack && state.stack.length) {
  
              state.state = state.stack.pop();
  
            }
  
  
  
            if (rule.data.mode)
  
              enterLocalMode(config, state, rule.data.mode, rule.token);
  
            if (rule.data.indent)
  
              state.indent.push(stream.indentation() + config.indentUnit);
  
            if (rule.data.dedent)
  
              state.indent.pop();
  
            if (matches.length > 2) {
  
              state.pending = [];
  
              for (var j = 2; j < matches.length; j++)
  
                if (matches[j])
  
                  state.pending.push({text: matches[j], token: rule.token[j - 1]});
  
              stream.backUp(matches[0].length - (matches[1] ? matches[1].length : 0));
  
              return rule.token[0];
  
            } else if (rule.token && rule.token.join) {
  
              return rule.token[0];
  
            } else {
  
              return rule.token;
  
            }
  
          }
  
        }
  
        stream.next();
  
        return null;
  
      };
  
    }
  
  
  
    function cmp(a, b) {
  
      if (a === b) return true;
  
      if (!a || typeof a != "object" || !b || typeof b != "object") return false;
  
      var props = 0;
  
      for (var prop in a) if (a.hasOwnProperty(prop)) {
  
        if (!b.hasOwnProperty(prop) || !cmp(a[prop], b[prop])) return false;
  
        props++;
  
      }
  
      for (var prop in b) if (b.hasOwnProperty(prop)) props--;
  
      return props == 0;
  
    }
  
  
  
    function enterLocalMode(config, state, spec, token) {
  
      var pers;
  
      if (spec.persistent) for (var p = state.persistentStates; p && !pers; p = p.next)
  
        if (spec.spec ? cmp(spec.spec, p.spec) : spec.mode == p.mode) pers = p;
  
      var mode = pers ? pers.mode : spec.mode || CodeMirror.getMode(config, spec.spec);
  
      var lState = pers ? pers.state : CodeMirror.startState(mode);
  
      if (spec.persistent && !pers)
  
        state.persistentStates = {mode: mode, spec: spec.spec, state: lState, next: state.persistentStates};
  
  
  
      state.localState = lState;
  
      state.local = {mode: mode,
  
                     end: spec.end && toRegex(spec.end),
  
                     endScan: spec.end && spec.forceEnd !== false && toRegex(spec.end, false),
  
                     endToken: token && token.join ? token[token.length - 1] : token};
  
    }
  
  
  
    function indexOf(val, arr) {
  
      for (var i = 0; i < arr.length; i++) if (arr[i] === val) return true;
  
    }
  
  
  
    function indentFunction(states, meta) {
  
      return function(state, textAfter, line) {
  
        if (state.local && state.local.mode.indent)
  
          return state.local.mode.indent(state.localState, textAfter, line);
  
        if (state.indent == null || state.local || meta.dontIndentStates && indexOf(state.state, meta.dontIndentStates) > -1)
  
          return CodeMirror.Pass;
  
  
  
        var pos = state.indent.length - 1, rules = states[state.state];
  
        scan: for (;;) {
  
          for (var i = 0; i < rules.length; i++) {
  
            var rule = rules[i];
  
            if (rule.data.dedent && rule.data.dedentIfLineStart !== false) {
  
              var m = rule.regex.exec(textAfter);
  
              if (m && m[0]) {
  
                pos--;
  
                if (rule.next || rule.push) rules = states[rule.next || rule.push];
  
                textAfter = textAfter.slice(m[0].length);
  
                continue scan;
  
              }
  
            }
  
          }
  
          break;
  
        }
  
        return pos < 0 ? 0 : state.indent[pos];
  
      };
  
    }
  
  });
  
  