mirror of
https://github.com/TriliumNext/Notes.git
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360 lines
9.8 KiB
JavaScript
360 lines
9.8 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/5/LICENSE
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/**
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* Link to the project's GitHub page:
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* https://github.com/pickhardt/coffeescript-codemirror-mode
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*/
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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("coffeescript", function(conf, parserConf) {
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var ERRORCLASS = "error";
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function wordRegexp(words) {
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return new RegExp("^((" + words.join(")|(") + "))\\b");
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}
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var operators = /^(?:->|=>|\+[+=]?|-[\-=]?|\*[\*=]?|\/[\/=]?|[=!]=|<[><]?=?|>>?=?|%=?|&=?|\|=?|\^=?|\~|!|\?|(or|and|\|\||&&|\?)=)/;
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var delimiters = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/;
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var identifiers = /^[_A-Za-z$][_A-Za-z$0-9]*/;
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var atProp = /^@[_A-Za-z$][_A-Za-z$0-9]*/;
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var wordOperators = wordRegexp(["and", "or", "not",
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"is", "isnt", "in",
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"instanceof", "typeof"]);
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var indentKeywords = ["for", "while", "loop", "if", "unless", "else",
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"switch", "try", "catch", "finally", "class"];
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var commonKeywords = ["break", "by", "continue", "debugger", "delete",
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"do", "in", "of", "new", "return", "then",
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"this", "@", "throw", "when", "until", "extends"];
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var keywords = wordRegexp(indentKeywords.concat(commonKeywords));
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indentKeywords = wordRegexp(indentKeywords);
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var stringPrefixes = /^('{3}|\"{3}|['\"])/;
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var regexPrefixes = /^(\/{3}|\/)/;
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var commonConstants = ["Infinity", "NaN", "undefined", "null", "true", "false", "on", "off", "yes", "no"];
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var constants = wordRegexp(commonConstants);
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// Tokenizers
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function tokenBase(stream, state) {
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// Handle scope changes
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if (stream.sol()) {
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if (state.scope.align === null) state.scope.align = false;
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var scopeOffset = state.scope.offset;
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if (stream.eatSpace()) {
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var lineOffset = stream.indentation();
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if (lineOffset > scopeOffset && state.scope.type == "coffee") {
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return "indent";
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} else if (lineOffset < scopeOffset) {
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return "dedent";
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}
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return null;
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} else {
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if (scopeOffset > 0) {
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dedent(stream, state);
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}
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}
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}
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if (stream.eatSpace()) {
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return null;
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}
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var ch = stream.peek();
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// Handle docco title comment (single line)
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if (stream.match("####")) {
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stream.skipToEnd();
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return "comment";
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}
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// Handle multi line comments
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if (stream.match("###")) {
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state.tokenize = longComment;
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return state.tokenize(stream, state);
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}
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// Single line comment
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if (ch === "#") {
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stream.skipToEnd();
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return "comment";
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}
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// Handle number literals
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if (stream.match(/^-?[0-9\.]/, false)) {
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var floatLiteral = false;
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// Floats
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if (stream.match(/^-?\d*\.\d+(e[\+\-]?\d+)?/i)) {
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floatLiteral = true;
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}
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if (stream.match(/^-?\d+\.\d*/)) {
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floatLiteral = true;
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}
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if (stream.match(/^-?\.\d+/)) {
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floatLiteral = true;
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}
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if (floatLiteral) {
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// prevent from getting extra . on 1..
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if (stream.peek() == "."){
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stream.backUp(1);
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}
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return "number";
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}
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// Integers
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var intLiteral = false;
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// Hex
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if (stream.match(/^-?0x[0-9a-f]+/i)) {
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intLiteral = true;
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}
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// Decimal
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if (stream.match(/^-?[1-9]\d*(e[\+\-]?\d+)?/)) {
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intLiteral = true;
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}
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// Zero by itself with no other piece of number.
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if (stream.match(/^-?0(?![\dx])/i)) {
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intLiteral = true;
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}
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if (intLiteral) {
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return "number";
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}
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}
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// Handle strings
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if (stream.match(stringPrefixes)) {
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state.tokenize = tokenFactory(stream.current(), false, "string");
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return state.tokenize(stream, state);
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}
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// Handle regex literals
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if (stream.match(regexPrefixes)) {
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if (stream.current() != "/" || stream.match(/^.*\//, false)) { // prevent highlight of division
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state.tokenize = tokenFactory(stream.current(), true, "string-2");
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return state.tokenize(stream, state);
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} else {
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stream.backUp(1);
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}
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}
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// Handle operators and delimiters
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if (stream.match(operators) || stream.match(wordOperators)) {
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return "operator";
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}
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if (stream.match(delimiters)) {
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return "punctuation";
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}
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if (stream.match(constants)) {
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return "atom";
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}
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if (stream.match(atProp) || state.prop && stream.match(identifiers)) {
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return "property";
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}
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if (stream.match(keywords)) {
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return "keyword";
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}
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if (stream.match(identifiers)) {
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return "variable";
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}
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// Handle non-detected items
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stream.next();
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return ERRORCLASS;
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}
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function tokenFactory(delimiter, singleline, outclass) {
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return function(stream, state) {
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while (!stream.eol()) {
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stream.eatWhile(/[^'"\/\\]/);
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if (stream.eat("\\")) {
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stream.next();
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if (singleline && stream.eol()) {
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return outclass;
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}
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} else if (stream.match(delimiter)) {
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state.tokenize = tokenBase;
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return outclass;
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} else {
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stream.eat(/['"\/]/);
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}
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}
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if (singleline) {
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if (parserConf.singleLineStringErrors) {
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outclass = ERRORCLASS;
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} else {
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state.tokenize = tokenBase;
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}
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}
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return outclass;
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};
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}
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function longComment(stream, state) {
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while (!stream.eol()) {
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stream.eatWhile(/[^#]/);
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if (stream.match("###")) {
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state.tokenize = tokenBase;
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break;
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}
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stream.eatWhile("#");
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}
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return "comment";
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}
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function indent(stream, state, type) {
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type = type || "coffee";
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var offset = 0, align = false, alignOffset = null;
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for (var scope = state.scope; scope; scope = scope.prev) {
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if (scope.type === "coffee" || scope.type == "}") {
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offset = scope.offset + conf.indentUnit;
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break;
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}
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}
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if (type !== "coffee") {
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align = null;
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alignOffset = stream.column() + stream.current().length;
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} else if (state.scope.align) {
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state.scope.align = false;
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}
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state.scope = {
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offset: offset,
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type: type,
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prev: state.scope,
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align: align,
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alignOffset: alignOffset
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};
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}
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function dedent(stream, state) {
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if (!state.scope.prev) return;
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if (state.scope.type === "coffee") {
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var _indent = stream.indentation();
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var matched = false;
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for (var scope = state.scope; scope; scope = scope.prev) {
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if (_indent === scope.offset) {
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matched = true;
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break;
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}
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}
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if (!matched) {
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return true;
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}
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while (state.scope.prev && state.scope.offset !== _indent) {
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state.scope = state.scope.prev;
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}
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return false;
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} else {
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state.scope = state.scope.prev;
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return false;
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}
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}
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function tokenLexer(stream, state) {
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var style = state.tokenize(stream, state);
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var current = stream.current();
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// Handle scope changes.
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if (current === "return") {
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state.dedent = true;
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}
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if (((current === "->" || current === "=>") && stream.eol())
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|| style === "indent") {
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indent(stream, state);
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}
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var delimiter_index = "[({".indexOf(current);
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if (delimiter_index !== -1) {
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indent(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
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}
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if (indentKeywords.exec(current)){
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indent(stream, state);
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}
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if (current == "then"){
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dedent(stream, state);
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}
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if (style === "dedent") {
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if (dedent(stream, state)) {
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return ERRORCLASS;
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}
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}
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delimiter_index = "])}".indexOf(current);
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if (delimiter_index !== -1) {
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while (state.scope.type == "coffee" && state.scope.prev)
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state.scope = state.scope.prev;
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if (state.scope.type == current)
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state.scope = state.scope.prev;
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}
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if (state.dedent && stream.eol()) {
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if (state.scope.type == "coffee" && state.scope.prev)
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state.scope = state.scope.prev;
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state.dedent = false;
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}
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return style;
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}
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var external = {
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startState: function(basecolumn) {
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return {
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tokenize: tokenBase,
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scope: {offset:basecolumn || 0, type:"coffee", prev: null, align: false},
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prop: false,
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dedent: 0
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};
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},
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token: function(stream, state) {
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var fillAlign = state.scope.align === null && state.scope;
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if (fillAlign && stream.sol()) fillAlign.align = false;
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var style = tokenLexer(stream, state);
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if (style && style != "comment") {
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if (fillAlign) fillAlign.align = true;
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state.prop = style == "punctuation" && stream.current() == "."
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}
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return style;
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},
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indent: function(state, text) {
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if (state.tokenize != tokenBase) return 0;
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var scope = state.scope;
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var closer = text && "])}".indexOf(text.charAt(0)) > -1;
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if (closer) while (scope.type == "coffee" && scope.prev) scope = scope.prev;
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var closes = closer && scope.type === text.charAt(0);
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if (scope.align)
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return scope.alignOffset - (closes ? 1 : 0);
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else
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return (closes ? scope.prev : scope).offset;
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},
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lineComment: "#",
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fold: "indent"
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};
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return external;
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});
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// IANA registered media type
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// https://www.iana.org/assignments/media-types/
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CodeMirror.defineMIME("application/vnd.coffeescript", "coffeescript");
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CodeMirror.defineMIME("text/x-coffeescript", "coffeescript");
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CodeMirror.defineMIME("text/coffeescript", "coffeescript");
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});
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