// CodeMirror, copyright © by Marijn Haverbeke and others // Distributed under an MIT license: 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.defineMode(“kotlin”, function (config, parserConfig) {

function words(str) {
  var obj = {}, words = str.split(" ");
  for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
  return obj;
}

var multiLineStrings = parserConfig.multiLineStrings;

var keywords = words(
        "package continue return object while break class data trait throw super" +
        " when type this else This try val var fun for is in if do as true false null get set");
var softKeywords = words("import" +
    " where by get set abstract enum open annotation override private public internal" +
    " protected catch out vararg inline finally final ref");
var blockKeywords = words("catch class do else finally for if where try while enum");
var atoms = words("null true false this");

var curPunc;

function tokenBase(stream, state) {
  var ch = stream.next();
  if (ch == '"' || ch == "'") {
    return startString(ch, stream, state);
  }
  // Wildcard import w/o trailing semicolon (import smth.*)
  if (ch == "." && stream.eat("*")) {
    return "word";
  }
  if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
    curPunc = ch;
    return null;
  }
  if (/\d/.test(ch)) {
    if (stream.eat(/eE/)) {
      stream.eat(/\+\-/);
      stream.eatWhile(/\d/);
    }
    return "number";
  }
  if (ch == "/") {
    if (stream.eat("*")) {
      state.tokenize.push(tokenComment);
      return tokenComment(stream, state);
    }
    if (stream.eat("/")) {
      stream.skipToEnd();
      return "comment";
    }
    if (expectExpression(state.lastToken)) {
      return startString(ch, stream, state);
    }
  }
  // Commented
  if (ch == "-" && stream.eat(">")) {
    curPunc = "->";
    return null;
  }
  if (/[\-+*&%=<>!?|\/~]/.test(ch)) {
    stream.eatWhile(/[\-+*&%=<>|~]/);
    return "operator";
  }
  stream.eatWhile(/[\w\$_]/);

  var cur = stream.current();
  if (atoms.propertyIsEnumerable(cur)) {
    return "atom";
  }
  if (softKeywords.propertyIsEnumerable(cur)) {
    if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
    return "softKeyword";
  }

  if (keywords.propertyIsEnumerable(cur)) {
    if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
    return "keyword";
  }
  return "word";
}

tokenBase.isBase = true;

function startString(quote, stream, state) {
  var tripleQuoted = false;
  if (quote != "/" && stream.eat(quote)) {
    if (stream.eat(quote)) tripleQuoted = true;
    else return "string";
  }
  function t(stream, state) {
    var escaped = false, next, end = !tripleQuoted;

    while ((next = stream.next()) != null) {
      if (next == quote && !escaped) {
        if (!tripleQuoted) {
          break;
        }
        if (stream.match(quote + quote)) {
          end = true;
          break;
        }
      }

      if (quote == '"' && next == "$" && !escaped && stream.eat("{")) {
        state.tokenize.push(tokenBaseUntilBrace());
        return "string";
      }

      if (next == "$" && !escaped && !stream.eat(" ")) {
        state.tokenize.push(tokenBaseUntilSpace());
        return "string";
      }
      escaped = !escaped && next == "\\";
    }
    if (multiLineStrings)
      state.tokenize.push(t);
    if (end) state.tokenize.pop();
    return "string";
  }

  state.tokenize.push(t);
  return t(stream, state);
}

function tokenBaseUntilBrace() {
  var depth = 1;

  function t(stream, state) {
    if (stream.peek() == "}") {
      depth--;
      if (depth == 0) {
        state.tokenize.pop();
        return state.tokenize[state.tokenize.length - 1](stream, state);
      }
    } else if (stream.peek() == "{") {
      depth++;
    }
    return tokenBase(stream, state);
  }

  t.isBase = true;
  return t;
}

function tokenBaseUntilSpace() {
  function t(stream, state) {
    if (stream.eat(/[\w]/)) {
      var isWord = stream.eatWhile(/[\w]/);
      if (isWord) {
        state.tokenize.pop();
        return "word";
      }
    }
    state.tokenize.pop();
    return "string";
  }

  t.isBase = true;
  return t;
}

function tokenComment(stream, state) {
  var maybeEnd = false, ch;
  while (ch = stream.next()) {
    if (ch == "/" && maybeEnd) {
      state.tokenize.pop();
      break;
    }
    maybeEnd = (ch == "*");
  }
  return "comment";
}

function expectExpression(last) {
  return !last || last == "operator" || last == "->" || /[\.\[\{\(,;:]/.test(last) ||
      last == "newstatement" || last == "keyword" || last == "proplabel";
}

function Context(indented, column, type, align, prev) {
  this.indented = indented;
  this.column = column;
  this.type = type;
  this.align = align;
  this.prev = prev;
}

function pushContext(state, col, type) {
  return state.context = new Context(state.indented, col, type, null, state.context);
}

function popContext(state) {
  var t = state.context.type;
  if (t == ")" || t == "]" || t == "}")
    state.indented = state.context.indented;
  return state.context = state.context.prev;
}

// Interface

return {
  startState: function (basecolumn) {
    return {
      tokenize: [tokenBase],
      context: new Context((basecolumn || 0) - config.indentUnit, 0, "top", false),
      indented: 0,
      startOfLine: true,
      lastToken: null
    };
  },

  token: function (stream, state) {
    var ctx = state.context;
    if (stream.sol()) {
      if (ctx.align == null) ctx.align = false;
      state.indented = stream.indentation();
      state.startOfLine = true;
      // Automatic semicolon insertion
      if (ctx.type == "statement" && !expectExpression(state.lastToken)) {
        popContext(state);
        ctx = state.context;
      }
    }
    if (stream.eatSpace()) return null;
    curPunc = null;
    var style = state.tokenize[state.tokenize.length - 1](stream, state);
    if (style == "comment") return style;
    if (ctx.align == null) ctx.align = true;
    if ((curPunc == ";" || curPunc == ":") && ctx.type == "statement") popContext(state);
    // Handle indentation for {x -> \n ... }
    else if (curPunc == "->" && ctx.type == "statement" && ctx.prev.type == "}") {
      popContext(state);
      state.context.align = false;
    }
    else if (curPunc == "{") pushContext(state, stream.column(), "}");
    else if (curPunc == "[") pushContext(state, stream.column(), "]");
    else if (curPunc == "(") pushContext(state, stream.column(), ")");
    else if (curPunc == "}") {
      while (ctx.type == "statement") ctx = popContext(state);
      if (ctx.type == "}") ctx = popContext(state);
      while (ctx.type == "statement") ctx = popContext(state);
    }
    else if (curPunc == ctx.type) popContext(state);
    else if (ctx.type == "}" || ctx.type == "top" || (ctx.type == "statement" && curPunc == "newstatement"))
      pushContext(state, stream.column(), "statement");
    state.startOfLine = false;
    state.lastToken = curPunc || style;
    return style;
  },

  indent: function (state, textAfter) {
    if (!state.tokenize[state.tokenize.length - 1].isBase) return 0;
    var firstChar = textAfter && textAfter.charAt(0), ctx = state.context;
    if (ctx.type == "statement" && !expectExpression(state.lastToken)) ctx = ctx.prev;
    var closing = firstChar == ctx.type;
    if (ctx.type == "statement") {
      return ctx.indented + (firstChar == "{" ? 0 : config.indentUnit);
    }
    else if (ctx.align) return ctx.column + (closing ? 0 : 1);
    else return ctx.indented + (closing ? 0 : config.indentUnit);
  },

  electricChars: "{}"
};

});

CodeMirror.defineMIME(“text/x-kotlin”, “kotlin”);

});