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// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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  if (typeof exports == "object" && typeof module == "object") // CommonJS
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    mod(require("../../lib/codemirror"));
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  else if (typeof define == "function" && define.amd) // AMD
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    define(["../../lib/codemirror"], mod);
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  else // Plain browser env
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    mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("groovy", function(config) {
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  function words(str) {
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    var obj = {}, words = str.split(" ");
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    for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
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    return obj;
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  }
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  var keywords = words(
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    "abstract as assert boolean break byte case catch char class const continue def default " +
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    "do double else enum extends final finally float for goto if implements import in " +
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    "instanceof int interface long native new package private protected public return " +
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    "short static strictfp super switch synchronized threadsafe throw throws trait transient " +
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    "try void volatile while");
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  var blockKeywords = words("catch class def do else enum finally for if interface switch trait try while");
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  var standaloneKeywords = words("return break continue");
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  var atoms = words("null true false this");
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  var curPunc;
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  function tokenBase(stream, state) {
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    var ch = stream.next();
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    if (ch == '"' || ch == "'") {
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      return startString(ch, stream, state);
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    }
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    if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
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      curPunc = ch;
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      return null;
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    }
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    if (/\d/.test(ch)) {
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      stream.eatWhile(/[\w\.]/);
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      if (stream.eat(/eE/)) { stream.eat(/\+\-/); stream.eatWhile(/\d/); }
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      return "number";
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    }
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    if (ch == "/") {
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      if (stream.eat("*")) {
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        state.tokenize.push(tokenComment);
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        return tokenComment(stream, state);
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      }
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      if (stream.eat("/")) {
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        stream.skipToEnd();
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        return "comment";
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      }
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      if (expectExpression(state.lastToken, false)) {
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        return startString(ch, stream, state);
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      }
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    }
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    if (ch == "-" && stream.eat(">")) {
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      curPunc = "->";
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      return null;
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    }
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    if (/[+\-*&%=<>!?|\/~]/.test(ch)) {
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      stream.eatWhile(/[+\-*&%=<>|~]/);
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      return "operator";
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    }
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    stream.eatWhile(/[\w\$_]/);
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    if (ch == "@") { stream.eatWhile(/[\w\$_\.]/); return "meta"; }
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    if (state.lastToken == ".") return "property";
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    if (stream.eat(":")) { curPunc = "proplabel"; return "property"; }
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    var cur = stream.current();
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    if (atoms.propertyIsEnumerable(cur)) { return "atom"; }
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    if (keywords.propertyIsEnumerable(cur)) {
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      if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
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      else if (standaloneKeywords.propertyIsEnumerable(cur)) curPunc = "standalone";
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      return "keyword";
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    }
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    return "variable";
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  }
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  tokenBase.isBase = true;
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  function startString(quote, stream, state) {
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    var tripleQuoted = false;
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    if (quote != "/" && stream.eat(quote)) {
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      if (stream.eat(quote)) tripleQuoted = true;
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      else return "string";
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    }
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    function t(stream, state) {
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      var escaped = false, next, end = !tripleQuoted;
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      while ((next = stream.next()) != null) {
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        if (next == quote && !escaped) {
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          if (!tripleQuoted) { break; }
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          if (stream.match(quote + quote)) { end = true; break; }
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        }
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        if (quote == '"' && next == "$" && !escaped && stream.eat("{")) {
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          state.tokenize.push(tokenBaseUntilBrace());
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          return "string";
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        }
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        escaped = !escaped && next == "\\";
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      }
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      if (end) state.tokenize.pop();
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      return "string";
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    }
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    state.tokenize.push(t);
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    return t(stream, state);
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  }
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  function tokenBaseUntilBrace() {
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    var depth = 1;
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    function t(stream, state) {
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      if (stream.peek() == "}") {
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        depth--;
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        if (depth == 0) {
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          state.tokenize.pop();
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          return state.tokenize[state.tokenize.length-1](stream, state);
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        }
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      } else if (stream.peek() == "{") {
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        depth++;
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      }
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      return tokenBase(stream, state);
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    }
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    t.isBase = true;
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    return t;
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  }
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  function tokenComment(stream, state) {
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    var maybeEnd = false, ch;
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    while (ch = stream.next()) {
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      if (ch == "/" && maybeEnd) {
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        state.tokenize.pop();
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        break;
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      }
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      maybeEnd = (ch == "*");
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    }
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    return "comment";
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  }
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  function expectExpression(last, newline) {
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    return !last || last == "operator" || last == "->" || /[\.\[\{\(,;:]/.test(last) ||
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      last == "newstatement" || last == "keyword" || last == "proplabel" ||
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      (last == "standalone" && !newline);
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  }
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  function Context(indented, column, type, align, prev) {
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    this.indented = indented;
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    this.column = column;
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    this.type = type;
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    this.align = align;
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    this.prev = prev;
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  }
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  function pushContext(state, col, type) {
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    return state.context = new Context(state.indented, col, type, null, state.context);
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  }
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  function popContext(state) {
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    var t = state.context.type;
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    if (t == ")" || t == "]" || t == "}")
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      state.indented = state.context.indented;
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    return state.context = state.context.prev;
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  }
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  // Interface
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  return {
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    startState: function(basecolumn) {
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      return {
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        tokenize: [tokenBase],
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        context: new Context((basecolumn || 0) - config.indentUnit, 0, "top", false),
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        indented: 0,
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        startOfLine: true,
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        lastToken: null
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      };
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    },
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    token: function(stream, state) {
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      var ctx = state.context;
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      if (stream.sol()) {
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        if (ctx.align == null) ctx.align = false;
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        state.indented = stream.indentation();
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        state.startOfLine = true;
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        // Automatic semicolon insertion
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        if (ctx.type == "statement" && !expectExpression(state.lastToken, true)) {
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          popContext(state); ctx = state.context;
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        }
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      }
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      if (stream.eatSpace()) return null;
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      curPunc = null;
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      var style = state.tokenize[state.tokenize.length-1](stream, state);
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      if (style == "comment") return style;
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      if (ctx.align == null) ctx.align = true;
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      if ((curPunc == ";" || curPunc == ":") && ctx.type == "statement") popContext(state);
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      // Handle indentation for {x -> \n ... }
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      else if (curPunc == "->" && ctx.type == "statement" && ctx.prev.type == "}") {
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        popContext(state);
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        state.context.align = false;
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      }
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      else if (curPunc == "{") pushContext(state, stream.column(), "}");
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      else if (curPunc == "[") pushContext(state, stream.column(), "]");
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      else if (curPunc == "(") pushContext(state, stream.column(), ")");
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      else if (curPunc == "}") {
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        while (ctx.type == "statement") ctx = popContext(state);
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        if (ctx.type == "}") ctx = popContext(state);
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        while (ctx.type == "statement") ctx = popContext(state);
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      }
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      else if (curPunc == ctx.type) popContext(state);
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      else if (ctx.type == "}" || ctx.type == "top" || (ctx.type == "statement" && curPunc == "newstatement"))
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        pushContext(state, stream.column(), "statement");
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      state.startOfLine = false;
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      state.lastToken = curPunc || style;
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      return style;
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    },
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    indent: function(state, textAfter) {
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      if (!state.tokenize[state.tokenize.length-1].isBase) return CodeMirror.Pass;
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      var firstChar = textAfter && textAfter.charAt(0), ctx = state.context;
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      if (ctx.type == "statement" && !expectExpression(state.lastToken, true)) ctx = ctx.prev;
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      var closing = firstChar == ctx.type;
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      if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : config.indentUnit);
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      else if (ctx.align) return ctx.column + (closing ? 0 : 1);
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      else return ctx.indented + (closing ? 0 : config.indentUnit);
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    },
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    electricChars: "{}",
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    closeBrackets: {triples: "'\""},
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    fold: "brace",
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    blockCommentStart: "/*",
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    blockCommentEnd: "*/",
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    lineComment: "//"
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  };
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});
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CodeMirror.defineMIME("text/x-groovy", "groovy");
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});
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