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mcss-0.1.0.js
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var mcss;
(function (modules) {
var cache = {}, require = function (id) {
var module = cache[id];
if (!module) {
module = cache[id] = {};
var exports = module.exports = {};
modules[id].call(exports, require, module, exports, window);
}
return module.exports;
};
mcss = require('0');
}({
'0': function (require, module, exports, global) {
var mcss = module.exports = require('1');
mcss.env = 'BROWSER';
var options = global.mcssOptions || {};
var path = mcss.path;
var io = mcss.io;
var $ = function (selector) {
return mcss._.slice(document.querySelectorAll(selector));
};
var text = function (node) {
return node.innerText || node.contentText;
};
$('link[rel="stylesheet/mcss"], style[type="text/mcss"]').forEach(function (node) {
var nodename = node.nodeName.toLowerCase();
var style = document.createElement('style');
document.head.appendChild(style);
if (nodename === 'link') {
var filename = path.join(path.dirname(location.pathname), node.getAttribute('href'));
io.get(filename).done(function (text) {
mcss({ filename: filename }).translate(text).done(function (mcssContent) {
style.textContent = mcssContent;
}).fail(function (error) {
mcss.error.format(error);
console.error(error.message);
});
}).fail(function (error) {
});
} else {
var filename = location.pathname;
mcss({ filename: filename }).translate(text(node)).done(function (mcssContent) {
style.textContent = mcssContent;
}).fail(function (error) {
mcss.error.format(error);
console.error(error.message);
});
}
document.head.removeChild(node);
});
},
'1': function (require, module, exports, global) {
var Parser = require('2');
var Interpreter = require('i');
var Translator = require('o');
var tk = require('3');
var promise = require('e');
var functions = null;
var path = require('6');
var _ = require('4');
var io = require('h');
var options = require('f');
var error = require('a');
var hooks = require('r');
function Mcss(options) {
if (typeof options.prefix === 'string') {
options.prefix = options.prefix.split(/\s+/);
}
this.options = _.extend(options, {
imports: {},
pathes: [],
walkers: {},
prefix: [
'webkit',
'moz',
'ms',
'o'
],
format: 1
});
}
var m = options.mixTo(Mcss);
m.include = function (path) {
this.get('pathes').push(path);
return this;
};
m.tokenize = function (text) {
return tk.tokenize(text, this.options);
};
m.define = function (key, value) {
if (typeof value === 'function') {
functions[key] === value;
}
return this;
}.__msetter();
m.parse = function (text) {
var options = this.options, parser = new Parser(this.options), fp, pr = promise();
if (text === undefined) {
if (this.get('filename')) {
fp = io.parse(this.options.filename, this.options);
} else {
throw Error('text or filename is required');
}
} else {
fp = parser.parse(text);
}
fp.always(pr);
return pr;
};
m.interpret = function (text) {
var options = this.options;
var interpreter = new Interpreter(options);
var pr = promise();
var walkers = options.walkers;
if (walkers) {
if (!Array.isArray(walkers))
walkers = [walkers];
walkers.forEach(function (hook) {
if (typeof hook === 'string') {
hook = hooks[hook];
}
hook && interpreter.on(hook);
});
options.walkers = walkers;
}
this.parse(text).done(function (ast) {
try {
ast = interpreter.interpret(ast);
pr.resolve(ast);
} catch (e) {
pr.reject(e);
}
}).fail(pr);
return pr;
};
m.translate = function (text) {
var options = this.options;
var translator = new Translator(options);
var interpreter = new Interpreter(options);
var pr = promise();
var walkers = options.walkers;
if (walkers) {
if (!Array.isArray(walkers))
walkers = [walkers];
walkers.forEach(function (hook) {
if (typeof hook === 'string') {
hook = hooks[hook];
}
hook && interpreter.on(hook);
});
options.walkers = walkers;
}
this.parse(text).done(function (ast) {
var date = Date.now();
try {
ast = interpreter.interpret(ast);
pr.resolve(translator.translate(ast));
} catch (e) {
pr.reject(e);
}
}).fail(pr);
return pr;
};
var mcss = module.exports = function (options) {
return new Mcss(options || {});
};
mcss.Parser = Parser;
mcss.Interpreter = Interpreter;
mcss.Translator = Translator;
mcss.Tokenizer = tk.Tokenizer;
mcss.io = io;
mcss.promise = promise;
mcss._ = _;
mcss.error = error;
mcss.path = path;
mcss.connect = function (options) {
return function () {
};
};
},
'2': function (require, module, exports, global) {
module.exports = Parser;
var tk = require('3');
var tree = require('8');
var directive = require('c');
var _ = require('4');
var binop = require('d');
var promise = require('e');
var options = require('f');
var path = require('6');
var fs = null;
var symtab = require('g');
var error = require('a');
var io = require('h');
var perror = new Error();
var slice = [].slice;
var errors = {
INTERPOLATE_FAIL: 1,
DECLARION_FAIL: 2,
FILE_NOT_FOUND: 3
};
var combos = [
'WS',
'>',
'~',
'+'
];
var skipStart = 'WS NEWLINE COMMENT ;';
var operators = '+ - * /';
var isSkipStart = _.makePredicate(skipStart);
var isCombo = _.makePredicate(combos);
var isSelectorSep = _.makePredicate(combos.concat([
'PSEUDO_CLASS',
'PSEUDO_ELEMENT',
'ATTRIBUTE',
'CLASS',
'HASH',
'&',
'TEXT',
'*',
'#',
':',
'.',
'compoundident',
'DIMENSION'
]));
var isOperator = _.makePredicate(operators);
var isColor = _.makePredicate('aliceblue antiquewhite aqua aquamarine azure beige bisque black blanchedalmond blue blueviolet brown burlywood cadetblue chartreuse chocolate coral cornflowerblue cornsilk crimson cyan darkblue darkcyan darkgoldenrod darkgray darkgrey darkgreen darkkhaki darkmagenta darkolivegreen darkorange darkorchid darkred darksalmon darkseagreen darkslateblue darkslategray darkslategrey darkturquoise darkviolet deeppink deepskyblue dimgray dimgrey dodgerblue firebrick floralwhite forestgreen fuchsia gainsboro ghostwhite gold goldenrod gray grey green greenyellow honeydew hotpink indianred indigo ivory khaki lavender lavenderblush lawngreen lemonchiffon lightblue lightcoral lightcyan lightgoldenrodyellow lightgray lightgrey lightgreen lightpink lightsalmon lightseagreen lightskyblue lightslategray lightslategrey lightsteelblue lightyellow lime limegreen linen magenta maroon mediumaquamarine mediumblue mediumorchid mediumpurple mediumseagreen mediumslateblue mediumspringgreen mediumturquoise mediumvioletred midnightblue mintcream mistyrose moccasin navajowhite navy oldlace olive olivedrab orange orangered orchid palegoldenrod palegreen paleturquoise palevioletred papayawhip peachpuff peru pink plum powderblue purple red rosybrown royalblue saddlebrown salmon sandybrown seagreen seashell sienna silver skyblue slateblue slategray slategrey snow springgreen steelblue tan teal thistle tomato turquoise violet wheat white whitesmoke yellow yellowgreen');
var isMcssAtKeyword = _.makePredicate('mixin extend var');
var isMcssFutureAtKeyword = _.makePredicate('if else css for');
var isCssAtKeyword = _.makePredicate('import page keyframe media font-face charset');
var isShorthandProp = _.makePredicate('background font margin border border-top border-right border-bottom border-left border-width border-color border-style transition padding list-style border-radius.');
var isWSOrNewLine = _.makePredicate('WS NEWLINE');
var isCommaOrParen = _.makePredicate(', )');
var isDirectOperate = _.makePredicate('DIMENSION STRING BOOLEAN TEXT NULL');
var isRelationOp = _.makePredicate('== >= <= < > !=');
var isNeg = function (ll) {
return ll.type === 'DIMENSION' && ll.value < 0;
};
var isProbablyModulePath = function (path) {
return /^[-\w]/.test(path) && !/:/.test(path);
};
var states = {
'FILTER_DECLARATION': _.uid(),
'TRY_DECLARATION': _.uid(),
'TRY_INTERPOLATION': _.uid(),
'FUNCTION_CALL': _.uid()
};
function Parser(options) {
this.options = options || {};
}
Parser.prototype = {
parse: function (tks) {
try {
var p = new promise();
if (typeof tks === 'string') {
var filename = this.get('filename');
if (filename && !this.get('imports')[filename]) {
this.get('imports')[filename] = tks;
}
tks = tk.tokenize(tks, this.options);
}
this.lookahead = tks;
this.p = 0;
this.length = this.lookahead.length;
this._states = {};
this.scope = this.options.scope || new symtab.Scope();
this.marked = null;
this.promises = [];
var ast = this.stylesheet();
} catch (e) {
return p.reject(e);
}
var self = this;
if (this.promises.length) {
promise.when.apply(this, this.promises).done(function () {
return p.resolve(ast);
}).fail(function (err1) {
p.reject(err1);
});
} else {
return p.resolve(ast);
}
return p;
},
state: function (state) {
return this._states[state] === true;
},
enter: function (state) {
this._states[state] = true;
},
leave: function (state) {
this._states[state] = false;
},
next: function (k) {
k = k || 1;
this.p += k;
},
lookUpBefore: function (lookup, before) {
var i = 1, la;
while (i++) {
if ((la = this.la(i)) === lookup)
return true;
if (la === before || la === 'EOF' || la === '}') {
return false;
}
}
return false;
},
match: function (tokenType) {
var ll;
if (!(ll = this.eat.apply(this, arguments))) {
var ll = this.ll();
this.error('expect:"' + tokenType + '" -> got: "' + ll.type + '"', ll.lineno, tokenType);
} else {
return ll;
}
},
matchSemiColonIfNoBlock: function () {
this.eat('WS');
if (this.la() !== '}')
this.match(';');
},
ll: function (k) {
k = k || 1;
if (k < 0)
k = k + 1;
var pos = this.p + k - 1;
if (pos > this.length - 1) {
return this.lookahead[this.length - 1];
}
return this.lookahead[pos];
},
la: function (k) {
return this.ll(k).type;
},
is: function (pos, tokenType) {
return this.la(pos) === tokenType;
},
mark: function () {
this.marked = this.p;
return this;
},
restore: function () {
if (this.marked != undefined)
this.p = this.marked;
this.marked = null;
return this;
},
eat: function (tokenType) {
var ll = this.ll();
for (var i = 0, len = arguments.length; i < len; i++) {
if (ll.type === arguments[i]) {
this.next();
return ll;
}
}
return false;
},
skip: function (type) {
var skiped, la, test;
while (true) {
la = this.la();
test = typeof type === 'string' ? type === la : type(la);
if (test) {
this.next();
skiped = true;
} else
break;
}
return skiped;
},
skipStart: function () {
return this.skip(isSkipStart);
},
skipWSorNewlne: function () {
return this.skip(isWSOrNewLine);
},
error: function (msg, ll, expect) {
if (typeof msg === 'number') {
perror.code = msg;
throw perror;
}
var lineno = ll.lineno || ll;
var err = new error.SyntaxError(msg, lineno, this.options);
if (expect)
err.expect = expect;
throw err;
},
stylesheet: function () {
return this.block(true);
},
stmt: function () {
var ll = this.ll(), la = ll.type, node = false;
if (la === 'AT_KEYWORD') {
node = this.atrule();
}
if (la === 'VAR') {
switch (this.la(2)) {
case '(':
node = this.fnCall();
this.matchSemiColonIfNoBlock();
break;
case ':':
node = this.transparentCall();
this.matchSemiColonIfNoBlock();
break;
case '=':
case '?=':
node = this.assign();
if (node.value.type !== 'func') {
this.matchSemiColonIfNoBlock();
}
break;
default:
this.error('UNEXPECT token after VARIABLE', this.ll(2));
}
}
if (la === 'FUNCTION') {
node = this.fnCall();
this.matchSemiColonIfNoBlock();
}
if (isSelectorSep(la)) {
node = this.ruleset(true);
}
if (node !== false) {
return node;
}
this.error('INVALID statementstart ' + ll.type, ll);
},
atrule: function () {
var fullname = this.ll().value.toLowerCase();
var name = this._removePrefix(fullname);
if (typeof this[name] === 'function') {
node = this[name]();
} else {
node = this.directive();
}
node.fullname = fullname;
return node;
},
directive: function () {
var ll = this.ll();
var name = ll.value.toLowerCase();
var dhook = directive.getDirective(name);
if (dhook) {
console.log('has hook');
} else {
this.match('AT_KEYWORD');
this.eat('WS');
var value = this.valuesList();
this.eat('WS');
if (this.eat(';')) {
return tree.directive(name, value);
} else {
var block = this.block();
return tree.directive(name, value, block);
}
this.error('invalid customer directive define', ll);
}
},
extend: function () {
var ll = this.match('AT_KEYWORD');
this.match('WS');
var node = tree.extend(this.selectorList());
node.lineno = ll.lineno;
this.matchSemiColonIfNoBlock();
return node;
},
return: function () {
this.match('AT_KEYWORD');
this.eat('WS');
var value = this.assignExpr();
var node = new tree.ReturnStmt(value);
this.skip('WS');
if (value.type !== 'func') {
this.matchSemiColonIfNoBlock();
}
return node;
},
import: function () {
var node, url, queryList, ll, la, self = this;
this.match('AT_KEYWORD');
this.match('WS');
ll = this.ll();
la = this.la();
if (la === 'STRING' || la === 'URL') {
url = ll;
this.next();
} else {
this.error('expect URL or STRING' + ' got ' + ll.type, ll.lineno);
}
this.eat('WS');
if (!this.eat(';')) {
queryList = this.media_query_list();
this.matchSemiColonIfNoBlock();
}
var node = new tree.Import(url, queryList), extname = path.extname(url.value), filename, stat, p;
if (extname !== '.css') {
var p = this._import(url, node).done(function (ast) {
if (ast) {
node.stylesheet = ast;
}
});
this.promises.push(p);
}
return node;
},
abstract: function () {
var la, url, ruleset;
this.match('AT_KEYWORD');
this.eat('WS');
if ((la = this.la()) !== '{') {
if (url = this.eat('STRING', 'URL')) {
var node = new tree.Import(url);
var p = this._import(url, node).done(function (ast) {
if (ast) {
node.stylesheet = ast.abstract();
}
});
this.promises.push(p);
this.matchSemiColonIfNoBlock();
return node;
} else {
ruleset = this.ruleset();
ruleset.abstract = true;
return ruleset;
}
} else {
var list = this.block().abstract().list;
return list;
}
},
url: function () {
return this.match('STRING', 'URL');
},
if: function () {
this.match('AT_KEYWORD');
var test = this.expression(), block = this.block(), alt, ll;
this.eat('WS');
ll = this.ll();
if (ll.type == 'AT_KEYWORD') {
if (ll.value === 'else') {
this.next();
this.eat('WS');
alt = this.block();
}
if (ll.value === 'elseif') {
alt = this.if();
}
}
return new tree.IfStmt(test, block, alt);
},
for: function () {
var element, index, list, of, block, by;
this.match('AT_KEYWORD');
this.match('WS');
element = this.ll().value;
this.match('VAR');
if (this.eat(',')) {
index = this.ll().value;
this.match('VAR');
}
this.eat('WS');
if (this.ll().value === 'by') {
this.next();
this.eat('WS');
by = this.expression();
this.eat('WS');
}
of = this.match('TEXT');
if (of.value !== 'of' && of.value !== 'in') {
this.error('for statement need of or in KEYWORD but got:' + of.value, of.lineno);
}
list = this.valuesList();
this.eat('WS');
block = this.block();
return new tree.ForStmt(element, index, list, block, of.value == 'in', by);
},
media: function () {
this.match('AT_KEYWORD');
this.eat('WS');
var list = this.media_query_list();
this.skip('WS');
var block = this.block();
return new tree.Media(list, block);
},
media_query_list: function () {
var list = [];
do {
list.push(this.media_query());
} while (this.eat(','));
return list;
},
media_query: function () {
var expressions = [], ll, type = '';
if (this.la() === '(') {
expressions.push(this.media_expression());
} else {
ll = this.ll();
if (ll.value === 'only' || ll.value === 'not') {
type = ll.value;
this.next(1);
this.match('WS');
ll = this.ll();
}
this.match('TEXT');
type += (type ? ' ' : '') + ll.value;
}
this.eat('WS');
while ((ll = this.ll()).type === 'TEXT' && ll.value === 'and') {
this.next();
this.match('WS');
expressions.push(this.media_expression());
this.eat('WS');
}
return new tree.MediaQuery(type, expressions);
},
media_expression: function () {
var feature, value;
this.match('(');
this.eat('WS');
feature = this.expression();
if (this.eat(':')) {
value = this.expression();
}
this.eat('WS');
this.match(')');
return new tree.MediaExpression(feature, value);
},
keyframes: function () {
var lineno = this.ll().lineno;
this.match('AT_KEYWORD');
this.eat('WS');
var name = this.expression();
if (!name)
this.error('@keyframes\'s name should specify', lineno);
if (name.type === 'FUNCTION') {
this.eat('WS');
this.match('(');
this.eat('WS');
}
this.eat('WS');
var block = this.block();
var node = new tree.Keyframes(name, block);
return node;
},
keyframe: function () {
var steps = [];
do {
steps.push(this.expression());
} while (this.eat(','));
var block = this.block();
return new tree.Keyframe(steps, block);
},
page: function () {
var keyword = this.match('AT_KEYWORD');
this.eat('WS');
var selector = this.complexSelector().string;
if (/^:[-a-zA-Z]+$/.test(selector) === false)
this.error('@page only accpet PSEUDO_CLASS', keyword.lineno);
this.eat('WS');
var block = this.block();
return tree.directive('page', tk.createToken('TEXT', selector, keyword.lineno), block);
},
debug: function () {
this.match('AT_KEYWORD');
this.match('WS');
var value = this.valuesList();
var node = new tree.Debug(value);
this.matchSemiColonIfNoBlock();
return node;
},
vain: function () {
var selector, block;
this.match('AT_KEYWORD');
this.eat('WS');
if (this.la() !== '{') {
selector = this.selectorList();
} else {
block = this.block();
}
},
ruleset: function () {
var node = new tree.RuleSet(), rule;
node.selector = this.selectorList();
this.eat('WS');
node.block = this.block();
return node;
},
block: function (noBlock) {
var end = noBlock ? 'EOF' : '}';
this.eat('WS');
var node = new tree.Block();
if (!noBlock)
this.match('{');
this.skip('WS');
while (!this.eat(end)) {
if (noBlock) {
var declareOrStmt = this.stmt();
} else {
declareOrStmt = this.mark().declaration() || this.restore().stmt();
}
node.list.push(declareOrStmt);
this.skipStart();
}
return node;
},
selectorList: function () {
var node = new tree.SelectorList();
do {
node.list.push(this.complexSelector());
} while (this.eat(','));
node.lineno = node.list[0].lineno;
return node;
},
complexSelector: function () {
var node = new tree.ComplexSelector();
var selectorString = '', value;
var i = 0, ll, interpolation, start;
while (true) {
ll = this.ll();
if (ll.type === '#{' && this.ll(2) !== '}') {
interpolation = this.interpolation();
if (interpolation) {
selectorString += '#{' + i++ + '}';
node.interpolations.push(interpolation);
} else {
break;
}
} else if (isSelectorSep(ll.type)) {
if (ll.type === 'DIMENSION') {
if (ll.unit !== '%')
this.error('UNEXPECT: ' + ll.type, ll.lineno);
}
value = ll.type === 'DIMENSION' ? ll.value + '%' : ll.value || (ll.type === 'WS' ? ' ' : ll.type);
selectorString += value;
this.next();
} else {
break;
}
}
node.string = selectorString;
node.lineno = ll.lineno;
return node;
},
declaration: function (noEnd) {
var node = new tree.Declaration();
var ll1 = this.ll(1), ll2 = this.ll(2);
if (ll1.type === '*' && ll2.type == 'TEXT') {
this.next(1);
ll2.value = '*' + ll2.value;
}
node.property = this.compoundIdent();
if (!node.property)
return;
this.eat('WS');
if (!this.eat(':'))
return;
if (node.property.value && /filter$/.test(node.property.value.toLowerCase())) {
this.enter(states.FILTER_DECLARATION);
}
this.enter(states.TRY_DECLARATION);
try {
node.value = this.valuesList();
this.leave(states.TRY_DECLARATION);
} catch (error) {
if (error.code === errors.DECLARION_FAIL)
return;
throw error;
}
if (this.eat('IMPORTANT')) {
node.important = true;
}
if (!noEnd) {
this.matchSemiColonIfNoBlock();
}
this.leave(states.FILTER_DECLARATION);
return node;
},
valuesList: function () {
var list = [], values;
do {
values = this.values();
if (values)
list.push(values);
else
break;
} while (this.eat(','));
if (list.length === 1) {
return list[0];
}
return new tree.ValuesList(list);
},
values: function () {
var list = [], value;
while (true) {
value = this.expression();
if (!value)
break;
list.push(value);
}
if (list.length === 1)
return list[0];
if (list.length === 0)
return null;
return new tree.Values(list);
},
assign: function () {
var ll = this.ll(), la, name = ll.value, value;
this.match('VAR');
var op = this.match('=', '?=').type;
value = this.assignExpr(true);
return new tree.Assign(name, value, op === '?=' ? false : true);
},
assignExpr: function (hasComma) {
var la = this.la(), node, fn = hasComma ? 'valuesList' : 'values';
if (la === '{')
return this.func();
if (la === '(') {
this.mark();
try {
return this.func();
} catch (e) {
if (e.expect && e.expect == '{' || e.expect == 'VAR') {
this.restore();
return this[fn]();
} else {
throw e;
}
}
} else {
return this[hasComma ? 'valuesList' : 'values']();
}
},
func: function () {
var params, block, lineno = this.ll().lineno;
if (this.eat('(')) {
this.eat('WS');
var params = this.params();
this.match(')');
}
block = this.block();
return new tree.Func(params, block);
},
params: function () {
var rest = 0, params = [];
if (this.la() !== ')') {
do {
var param = this.param();
if (param.rest)
rest++;
params.push(param);
} while (this.eat(','));
if (rest >= 2)
this.error('can not have more than 2 rest param', lineno);
this.eat('WS');
}
return params;
},
param: function () {
var ll = this.ll(), name = ll.value, dft, rest = false;
this.match('VAR');
if (this.eat('...')) {
rest = true;
}
if (this.eat('=')) {
if (rest)
this.error('rest type param can"t have default params', ll);
dft = this.values();
}
return new tree.Param(name, dft, rest);
},
expression: function () {
this.eat('WS');
return this.logicOrExpr();
},
logicOrExpr: function () {
var left = this.logicAndExpr(), ll, la, right;
while ((la = this.la()) === '||') {
this.next();
right = this.logicAndExpr();
var bValue = tree.toBoolean(left);
if (bValue != null) {
if (bValue === false) {
left = right;
}
} else {
left = new tree.Operator(la, left, right);
}
this.eat('WS');
}
return left;
},
logicAndExpr: function () {
var node = this.relationExpr(), ll, la, right;
while ((la = this.la()) === '&&') {
this.next();
right = this.relationExpr();
var bValue = tree.toBoolean(node);
if (bValue != null) {
if (bValue === true) {
node = right;
}
} else {
node = new tree.Operator(la, node, right);
}
this.eat('WS');
}
return node;
},
relationExpr: function () {
var left = this.binop1(), la, right;
while (isRelationOp(la = this.la())) {
this.next();
this.eat('WS');
right = this.binop1();
if (tree.isPrimary(left.type) && tree.isPrimary(right.type)) {
left = binop.relation.call(this, left, right, la);
} else {
left = new tree.Operator(la, left, right);
}
this.eat('WS');
}
return left;
},
binop1: function () {
var left = this.binop2(), right, la, ll;
this.eat('WS');
while ((la = this.la()) === '+' || la === '-') {
this.next();
this.eat('WS');
right = this.binop2();
if (right.type === 'DIMENSION' && left.type === 'DIMENSION') {
left = binop[la].call(this, left, right);
} else {
left = new tree.Operator(la, left, right);
}
this.eat('WS');
}
return left;
},
binop2: function () {
var left = this.unary(), right, la, ws;
if (this.eat('WS'))
ws = true;
la = this.la();
if (la === '...') {
this.next();
this.eat('WS');
right = this.unary();
return tree.range(left, right, left.lineno);
}
while (la === '*' || la === '/' || la === '%') {
if (la == '/' && !ws && this.la(2) !== 'WS') {
return left;
}
this.next();
this.eat('WS');
right = this.unary();
if (right.type === 'DIMENSION' && left.type === 'DIMENSION') {
left = binop[la].call(this, left, right);
} else {
left = new tree.Operator(la, left, right);
}
this.eat('WS');
la = this.la();
}
return left;
},
unary: function () {
var ll = this.ll(), value, la;
if ((la = ll.type) === '-' || la === '+' || la === '!') {
this.next();
this.eat('WS');
value = this.unary();
var node = new tree.Unary(value, la);
node.lineno = ll.lineno;
return node;
} else {
return this.primary();
}
},
primary: function () {
var ll = this.ll(), node, value;
switch (ll.type) {
case '(':
return this.parenExpr();
case '=':
if (this.state(states.FILTER_DECLARATION) && this.state(states.FUNCTION_CALL)) {
this.next();
return ll;
}
break;
case '/':
this.next();
return ll;
case '-':
var ll2 = this.ll(2);