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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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(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("sass", function(config) {
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function tokenRegexp(words) {
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return new RegExp("^" + words.join("|"));
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}
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var keywords = ["true", "false", "null", "auto"];
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var keywordsRegexp = new RegExp("^" + keywords.join("|"));
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var operators = ["\\(", "\\)", "=", ">", "<", "==", ">=", "<=", "\\+", "-",
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"\\!=", "/", "\\*", "%", "and", "or", "not", ";","\\{","\\}",":"];
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var opRegexp = tokenRegexp(operators);
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var pseudoElementsRegexp = /^::?[a-zA-Z_][\w\-]*/;
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function urlTokens(stream, state) {
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var ch = stream.peek();
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if (ch === ")") {
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stream.next();
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state.tokenizer = tokenBase;
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return "operator";
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} else if (ch === "(") {
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stream.next();
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stream.eatSpace();
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return "operator";
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} else if (ch === "'" || ch === '"') {
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state.tokenizer = buildStringTokenizer(stream.next());
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return "string";
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} else {
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state.tokenizer = buildStringTokenizer(")", false);
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return "string";
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}
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}
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function comment(indentation, multiLine) {
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return function(stream, state) {
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if (stream.sol() && stream.indentation() <= indentation) {
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state.tokenizer = tokenBase;
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return tokenBase(stream, state);
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}
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if (multiLine && stream.skipTo("*/")) {
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stream.next();
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stream.next();
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state.tokenizer = tokenBase;
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} else {
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stream.skipToEnd();
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}
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return "comment";
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};
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}
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function buildStringTokenizer(quote, greedy) {
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if (greedy == null) { greedy = true; }
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function stringTokenizer(stream, state) {
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var nextChar = stream.next();
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var peekChar = stream.peek();
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var previousChar = stream.string.charAt(stream.pos-2);
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var endingString = ((nextChar !== "\\" && peekChar === quote) || (nextChar === quote && previousChar !== "\\"));
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if (endingString) {
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if (nextChar !== quote && greedy) { stream.next(); }
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state.tokenizer = tokenBase;
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return "string";
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} else if (nextChar === "#" && peekChar === "{") {
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state.tokenizer = buildInterpolationTokenizer(stringTokenizer);
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stream.next();
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return "operator";
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} else {
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return "string";
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}
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}
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return stringTokenizer;
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}
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function buildInterpolationTokenizer(currentTokenizer) {
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return function(stream, state) {
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if (stream.peek() === "}") {
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stream.next();
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state.tokenizer = currentTokenizer;
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return "operator";
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} else {
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return tokenBase(stream, state);
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}
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};
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}
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function indent(state) {
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if (state.indentCount == 0) {
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state.indentCount++;
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var lastScopeOffset = state.scopes[0].offset;
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var currentOffset = lastScopeOffset + config.indentUnit;
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state.scopes.unshift({ offset:currentOffset });
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}
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}
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function dedent(state) {
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if (state.scopes.length == 1) return;
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state.scopes.shift();
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}
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function tokenBase(stream, state) {
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var ch = stream.peek();
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// Comment
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if (stream.match("/*")) {
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state.tokenizer = comment(stream.indentation(), true);
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return state.tokenizer(stream, state);
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}
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if (stream.match("//")) {
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state.tokenizer = comment(stream.indentation(), false);
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return state.tokenizer(stream, state);
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}
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// Interpolation
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if (stream.match("#{")) {
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state.tokenizer = buildInterpolationTokenizer(tokenBase);
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return "operator";
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}
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// Strings
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if (ch === '"' || ch === "'") {
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stream.next();
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state.tokenizer = buildStringTokenizer(ch);
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return "string";
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}
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if(!state.cursorHalf){// state.cursorHalf === 0
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// first half i.e. before : for key-value pairs
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// including selectors
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if (ch === ".") {
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stream.next();
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if (stream.match(/^[\w-]+/)) {
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indent(state);
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return "atom";
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} else if (stream.peek() === "#") {
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indent(state);
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return "atom";
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}
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}
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if (ch === "#") {
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stream.next();
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// ID selectors
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if (stream.match(/^[\w-]+/)) {
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indent(state);
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return "atom";
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}
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if (stream.peek() === "#") {
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indent(state);
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return "atom";
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}
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}
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// Variables
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if (ch === "$") {
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stream.next();
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stream.eatWhile(/[\w-]/);
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return "variable-2";
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}
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// Numbers
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if (stream.match(/^-?[0-9\.]+/))
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return "number";
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// Units
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if (stream.match(/^(px|em|in)\b/))
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return "unit";
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if (stream.match(keywordsRegexp))
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return "keyword";
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if (stream.match(/^url/) && stream.peek() === "(") {
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state.tokenizer = urlTokens;
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return "atom";
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}
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if (ch === "=") {
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// Match shortcut mixin definition
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if (stream.match(/^=[\w-]+/)) {
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indent(state);
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return "meta";
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}
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}
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if (ch === "+") {
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// Match shortcut mixin definition
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if (stream.match(/^\+[\w-]+/)){
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return "variable-3";
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}
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}
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if(ch === "@"){
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if(stream.match(/@extend/)){
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if(!stream.match(/\s*[\w]/))
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dedent(state);
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}
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}
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// Indent Directives
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if (stream.match(/^@(else if|if|media|else|for|each|while|mixin|function)/)) {
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indent(state);
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return "meta";
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}
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// Other Directives
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if (ch === "@") {
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stream.next();
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stream.eatWhile(/[\w-]/);
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return "meta";
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}
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if (stream.eatWhile(/[\w-]/)){
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if(stream.match(/ *: *[\w-\+\$#!\("']/,false)){
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return "property";
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}
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else if(stream.match(/ *:/,false)){
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indent(state);
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state.cursorHalf = 1;
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return "atom";
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}
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else if(stream.match(/ *,/,false)){
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return "atom";
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}
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else{
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indent(state);
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return "atom";
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}
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}
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if(ch === ":"){
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if (stream.match(pseudoElementsRegexp)){ // could be a pseudo-element
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return "keyword";
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}
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stream.next();
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state.cursorHalf=1;
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return "operator";
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}
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} // cursorHalf===0 ends here
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else{
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if (ch === "#") {
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stream.next();
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// Hex numbers
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if (stream.match(/[0-9a-fA-F]{6}|[0-9a-fA-F]{3}/)){
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "number";
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}
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}
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// Numbers
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if (stream.match(/^-?[0-9\.]+/)){
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "number";
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}
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// Units
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if (stream.match(/^(px|em|in)\b/)){
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "unit";
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}
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if (stream.match(keywordsRegexp)){
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "keyword";
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}
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if (stream.match(/^url/) && stream.peek() === "(") {
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state.tokenizer = urlTokens;
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "atom";
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}
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// Variables
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if (ch === "$") {
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stream.next();
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stream.eatWhile(/[\w-]/);
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "variable-3";
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}
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// bang character for !important, !default, etc.
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if (ch === "!") {
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stream.next();
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return stream.match(/^[\w]+/) ? "keyword": "operator";
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}
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if (stream.match(opRegexp)){
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "operator";
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}
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// attributes
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if (stream.eatWhile(/[\w-]/)) {
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if(!stream.peek()){
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state.cursorHalf = 0;
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}
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return "attribute";
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}
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//stream.eatSpace();
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if(!stream.peek()){
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state.cursorHalf = 0;
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return null;
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}
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} // else ends here
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if (stream.match(opRegexp))
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return "operator";
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// If we haven't returned by now, we move 1 character
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// and return an error
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stream.next();
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return null;
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}
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function tokenLexer(stream, state) {
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if (stream.sol()) state.indentCount = 0;
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var style = state.tokenizer(stream, state);
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var current = stream.current();
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if (current === "@return" || current === "}"){
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dedent(state);
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}
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if (style !== null) {
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var startOfToken = stream.pos - current.length;
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var withCurrentIndent = startOfToken + (config.indentUnit * state.indentCount);
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var newScopes = [];
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for (var i = 0; i < state.scopes.length; i++) {
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var scope = state.scopes[i];
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if (scope.offset <= withCurrentIndent)
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newScopes.push(scope);
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}
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state.scopes = newScopes;
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}
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return style;
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}
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return {
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startState: function() {
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return {
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tokenizer: tokenBase,
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scopes: [{offset: 0, type: "sass"}],
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indentCount: 0,
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cursorHalf: 0, // cursor half tells us if cursor lies after (1)
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// or before (0) colon (well... more or less)
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definedVars: [],
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definedMixins: []
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};
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},
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token: function(stream, state) {
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var style = tokenLexer(stream, state);
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state.lastToken = { style: style, content: stream.current() };
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return style;
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},
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indent: function(state) {
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return state.scopes[0].offset;
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}
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};
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});
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CodeMirror.defineMIME("text/x-sass", "sass");
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});
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