Edit File by line

// 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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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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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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