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// 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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/** |
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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 "." connected identifiers |
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if (false && current === ".") { |
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style = state.tokenize(stream, state); |
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current = stream.current(); |
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if (/^\.[\w$]+$/.test(current)) { |
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return "variable"; |
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} else { |
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return ERRORCLASS; |
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} |
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} |
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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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300
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301
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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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313
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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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316
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state.dedent = false; |
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} |
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318
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319
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return style; |
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320
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} |
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321
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322
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var external = { |
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323
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startState: function(basecolumn) { |
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324
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return { |
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325
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tokenize: tokenBase, |
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326
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scope: {offset:basecolumn || 0, type:"coffee", prev: null, align: false}, |
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|
|
|
prop: false, |
|
328
|
|
|
dedent: 0 |
|
329
|
|
|
}; |
|
330
|
|
|
}, |
|
331
|
|
|
|
|
332
|
|
|
token: function(stream, state) { |
|
333
|
|
|
var fillAlign = state.scope.align === null && state.scope; |
|
334
|
|
|
if (fillAlign && stream.sol()) fillAlign.align = false; |
|
335
|
|
|
|
|
336
|
|
|
var style = tokenLexer(stream, state); |
|
337
|
|
|
if (style && style != "comment") { |
|
338
|
|
|
if (fillAlign) fillAlign.align = true; |
|
339
|
|
|
state.prop = style == "punctuation" && stream.current() == "." |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
return style; |
|
343
|
|
|
}, |
|
344
|
|
|
|
|
345
|
|
|
indent: function(state, text) { |
|
346
|
|
|
if (state.tokenize != tokenBase) return 0; |
|
347
|
|
|
var scope = state.scope; |
|
348
|
|
|
var closer = text && "])}".indexOf(text.charAt(0)) > -1; |
|
349
|
|
|
if (closer) while (scope.type == "coffee" && scope.prev) scope = scope.prev; |
|
350
|
|
|
var closes = closer && scope.type === text.charAt(0); |
|
351
|
|
|
if (scope.align) |
|
352
|
|
|
return scope.alignOffset - (closes ? 1 : 0); |
|
353
|
|
|
else |
|
354
|
|
|
return (closes ? scope.prev : scope).offset; |
|
355
|
|
|
}, |
|
356
|
|
|
|
|
357
|
|
|
lineComment: "#", |
|
358
|
|
|
fold: "indent" |
|
359
|
|
|
}; |
|
360
|
|
|
return external; |
|
361
|
|
|
}); |
|
362
|
|
|
|
|
363
|
|
|
CodeMirror.defineMIME("text/x-coffeescript", "coffeescript"); |
|
364
|
|
|
CodeMirror.defineMIME("text/coffeescript", "coffeescript"); |
|
365
|
|
|
|
|
366
|
|
|
}); |
|
367
|
|
|
|
flack /
openpsa
