// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://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 transient " +

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"try void volatile while");

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var blockKeywords = words("catch class do else finally for if switch try while enum interface def");

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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 0;

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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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};

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});

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CodeMirror.defineMIME("text/x-groovy", "groovy");

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});

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