| 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934 |
1
1
1
884
884
884
884
884
884
884
884
884
1
1257
1
795
795
1
1
11612
10824
95724
95724
1708
1708
247
39304
39304
39288
970
970
970
970
970
968
968
10850
11986
11143
1334
479
479
855
11739
11739
596
596
596
584
177
177
81
81
81
81
81
9604
16
16
16
16
16
8508
8508
2269
2269
2269
13
13
13
13
2256
2269
2269
6239
6239
34
34
9651
1
9650
9650
2
9648
5812
5730
1066
2
2
1
1
70
70
68
68
9538
9408
9408
20
20
20
20
9428
9428
20
20
20
20
9388
9388
260
260
260
260
9128
9128
59
59
9687
9069
8984
8984
22
22
22
22
1
21
21
1
20
20
20
20
20
20
9588
9575
9550
8846
8846
157
153
153
4
4
4
4
4
4
157
97
97
97
77
77
157
8962
8962
116
116
116
116
8689
8689
101
101
101
101
101
101
49
49
49
49
6
6
6
6
1
1
1
1
1
45
1
44
44
44
100
100
100
100
100
8512
8512
4
4
4
4
4
8588
8588
76
76
76
76
76
76
6205
6205
393
393
393
393
393
393
393
390
5459
797
795
794
794
829
22
16
16
16
16
16
794
794
794
794
794
794
794
794
794
16280
15060
14272
4480
75
168
74
12
4406
9792
2332
2332
1125
109
212
91
50
1034
1207
794
794
16280
1010
1010
1010
1010
1010
1010
1010
1010
15270
145
15
15
1
130
144
5655
15
15
5640
946
946
946
945
945
4694
5654
2452
2452
813
813
813
1639
2452
7018
7018
7018
813
813
7018
792
8
8
792
4662
4662
56
56
56
56
4606
4606
3112
1494
1494
1494
1219
1219
1494
4606
3540
3540
3540
3540
1
3539
3
3
3536
625
950
950
625
2911
1435
1435
1476
3536
3536
9809
234
234
178
56
56
56
52
52
56
234
234
122
122
122
122
122
420
420
420
420
420
375
375
122
122
96
1
10850
11986
| 'use strict';
var utils = require('./utils');
var characterParser = require('character-parser');
/**
* Initialize `Lexer` with the given `str`.
*
* @param {String} str
* @param {String} filename
* @api private
*/
var Lexer = module.exports = function Lexer(str, filename) {
this.input = str.replace(/\r\n|\r/g, '\n');
this.filename = filename;
this.deferredTokens = [];
this.lastIndents = 0;
this.lineno = 1;
this.stash = [];
this.indentStack = [];
this.indentRe = null;
this.pipeless = false;
};
function assertExpression(exp) {
//this verifies that a JavaScript expression is valid
Function('', 'return (' + exp + ')');
}
function assertNestingCorrect(exp) {
//this verifies that code is properly nested, but allows
//invalid JavaScript such as the contents of `attributes`
var res = characterParser(exp)
if (res.isNesting()) {
throw new Error('Nesting must match on expression `' + exp + '`')
}
}
/**
* Lexer prototype.
*/
Lexer.prototype = {
/**
* Construct a token with the given `type` and `val`.
*
* @param {String} type
* @param {String} val
* @return {Object}
* @api private
*/
tok: function(type, val){
return {
type: type
, line: this.lineno
, val: val
}
},
/**
* Consume the given `len` of input.
*
* @param {Number} len
* @api private
*/
consume: function(len){
this.input = this.input.substr(len);
},
/**
* Scan for `type` with the given `regexp`.
*
* @param {String} type
* @param {RegExp} regexp
* @return {Object}
* @api private
*/
scan: function(regexp, type){
var captures;
if (captures = regexp.exec(this.input)) {
this.consume(captures[0].length);
return this.tok(type, captures[1]);
}
},
/**
* Defer the given `tok`.
*
* @param {Object} tok
* @api private
*/
defer: function(tok){
this.deferredTokens.push(tok);
},
/**
* Lookahead `n` tokens.
*
* @param {Number} n
* @return {Object}
* @api private
*/
lookahead: function(n){
var fetch = n - this.stash.length;
while (fetch-- > 0) this.stash.push(this.next());
return this.stash[--n];
},
/**
* Return the indexOf `(` or `{` or `[` / `)` or `}` or `]` delimiters.
*
* @return {Number}
* @api private
*/
bracketExpression: function(skip){
skip = skip || 0;
var start = this.input[skip];
Iif (start != '(' && start != '{' && start != '[') throw new Error('unrecognized start character');
var end = ({'(': ')', '{': '}', '[': ']'})[start];
var range = characterParser.parseMax(this.input, {start: skip + 1});
Iif (this.input[range.end] !== end) throw new Error('start character ' + start + ' does not match end character ' + this.input[range.end]);
return range;
},
/**
* Stashed token.
*/
stashed: function() {
return this.stash.length
&& this.stash.shift();
},
/**
* Deferred token.
*/
deferred: function() {
return this.deferredTokens.length
&& this.deferredTokens.shift();
},
/**
* end-of-source.
*/
eos: function() {
if (this.input.length) return;
if (this.indentStack.length) {
this.indentStack.shift();
return this.tok('outdent');
} else {
return this.tok('eos');
}
},
/**
* Blank line.
*/
blank: function() {
var captures;
if (captures = /^\n *\n/.exec(this.input)) {
this.consume(captures[0].length - 1);
++this.lineno;
if (this.pipeless) return this.tok('text', '');
return this.next();
}
},
/**
* Comment.
*/
comment: function() {
var captures;
if (captures = /^\/\/(-)?([^\n]*)/.exec(this.input)) {
this.consume(captures[0].length);
var tok = this.tok('comment', captures[2]);
tok.buffer = '-' != captures[1];
this.pipeless = true;
return tok;
}
},
/**
* Interpolated tag.
*/
interpolation: function() {
if (/^#\{/.test(this.input)) {
var match;
try {
match = this.bracketExpression(1);
} catch (ex) {
return;//not an interpolation expression, just an unmatched open interpolation
}
this.consume(match.end + 1);
return this.tok('interpolation', match.src);
}
},
/**
* Tag.
*/
tag: function() {
var captures;
if (captures = /^(\w[-:\w]*)(\/?)/.exec(this.input)) {
this.consume(captures[0].length);
var tok, name = captures[1];
if (':' == name[name.length - 1]) {
name = name.slice(0, -1);
tok = this.tok('tag', name);
this.defer(this.tok(':'));
while (' ' == this.input[0]) this.input = this.input.substr(1);
} else {
tok = this.tok('tag', name);
}
tok.selfClosing = !!captures[2];
return tok;
}
},
/**
* Filter.
*/
filter: function() {
var tok = this.scan(/^:([\w\-]+)/, 'filter');
if (tok) {
this.pipeless = true;
return tok;
}
},
/**
* Doctype.
*/
doctype: function() {
if (this.scan(/^!!! *([^\n]+)?/, 'doctype')) {
throw new Error('`!!!` is deprecated, you must now use `doctype`');
}
var node = this.scan(/^(?:doctype) *([^\n]+)?/, 'doctype');
if (node && node.val && node.val.trim() === '5') {
throw new Error('`doctype 5` is deprecated, you must now use `doctype html`');
}
return node;
},
/**
* Id.
*/
id: function() {
return this.scan(/^#([\w-]+)/, 'id');
},
/**
* Class.
*/
className: function() {
return this.scan(/^\.([\w-]+)/, 'class');
},
/**
* Text.
*/
text: function() {
return this.scan(/^(?:\| ?| )([^\n]+)/, 'text') ||
this.scan(/^\|?( )/, 'text') ||
this.scan(/^(<[^\n]*)/, 'text');
},
textFail: function () {
var tok;
if (tok = this.scan(/^([^\.\n][^\n]+)/, 'text')) {
console.warn('Warning: missing space before text for line ' + this.lineno +
' of jade file "' + this.filename + '"');
return tok;
}
},
/**
* Dot.
*/
dot: function() {
var match;
if (match = this.scan(/^\./, 'dot')) {
this.pipeless = true;
return match;
}
},
/**
* Extends.
*/
"extends": function() {
return this.scan(/^extends? +([^\n]+)/, 'extends');
},
/**
* Block prepend.
*/
prepend: function() {
var captures;
if (captures = /^prepend +([^\n]+)/.exec(this.input)) {
this.consume(captures[0].length);
var mode = 'prepend'
, name = captures[1]
, tok = this.tok('block', name);
tok.mode = mode;
return tok;
}
},
/**
* Block append.
*/
append: function() {
var captures;
if (captures = /^append +([^\n]+)/.exec(this.input)) {
this.consume(captures[0].length);
var mode = 'append'
, name = captures[1]
, tok = this.tok('block', name);
tok.mode = mode;
return tok;
}
},
/**
* Block.
*/
block: function() {
var captures;
if (captures = /^block\b *(?:(prepend|append) +)?([^\n]+)/.exec(this.input)) {
this.consume(captures[0].length);
var mode = captures[1] || 'replace'
, name = captures[2]
, tok = this.tok('block', name);
tok.mode = mode;
return tok;
}
},
/**
* Mixin Block.
*/
mixinBlock: function() {
var captures;
if (captures = /^block[ \t]*(\n|$)/.exec(this.input)) {
this.consume(captures[0].length - captures[1].length);
return this.tok('mixin-block');
}
},
/**
* Yield.
*/
'yield': function() {
return this.scan(/^yield */, 'yield');
},
/**
* Include.
*/
include: function() {
return this.scan(/^include +([^\n]+)/, 'include');
},
/**
* Include with filter
*/
includeFiltered: function() {
var captures;
if (captures = /^include:([\w\-]+)([\( ])/.exec(this.input)) {
this.consume(captures[0].length - 1);
var filter = captures[1];
var attrs = captures[2] === '(' ? this.attrs() : null;
if (!(captures[2] === ' ' || this.input[0] === ' ')) {
throw new Error('expected space after include:filter but got ' + utils.stringify(this.input[0]));
}
captures = /^ *([^\n]+)/.exec(this.input);
if (!captures || captures[1].trim() === '') {
throw new Error('missing path for include:filter');
}
this.consume(captures[0].length);
var path = captures[1];
var tok = this.tok('include', path);
tok.filter = filter;
tok.attrs = attrs;
return tok;
}
},
/**
* Case.
*/
"case": function() {
return this.scan(/^case +([^\n]+)/, 'case');
},
/**
* When.
*/
when: function() {
return this.scan(/^when +([^:\n]+)/, 'when');
},
/**
* Default.
*/
"default": function() {
return this.scan(/^default */, 'default');
},
/**
* Call mixin.
*/
call: function(){
var tok, captures;
if (captures = /^\+(\s*)(([-\w]+)|(#\{))/.exec(this.input)) {
// try to consume simple or interpolated call
if (captures[3]) {
// simple call
this.consume(captures[0].length);
tok = this.tok('call', captures[3]);
} else {
// interpolated call
var match;
try {
match = this.bracketExpression(2 + captures[1].length);
} catch (ex) {
return;//not an interpolation expression, just an unmatched open interpolation
}
this.consume(match.end + 1);
assertExpression(match.src);
tok = this.tok('call', '#{'+match.src+'}');
}
// Check for args (not attributes)
if (captures = /^ *\(/.exec(this.input)) {
try {
var range = this.bracketExpression(captures[0].length - 1);
if (!/^\s*[-\w]+ *=/.test(range.src)) { // not attributes
this.consume(range.end + 1);
tok.args = range.src;
}
} catch (ex) {
//not a bracket expcetion, just unmatched open parens
}
}
return tok;
}
},
/**
* Mixin.
*/
mixin: function(){
var captures;
if (captures = /^mixin +([-\w]+)(?: *\((.*)\))? */.exec(this.input)) {
this.consume(captures[0].length);
var tok = this.tok('mixin', captures[1]);
tok.args = captures[2];
return tok;
}
},
/**
* Conditional.
*/
conditional: function() {
var captures;
if (captures = /^(if|unless|else if|else)\b([^\n]*)/.exec(this.input)) {
this.consume(captures[0].length);
var type = captures[1]
var js = captures[2];
var isIf = false;
var isElse = false;
switch (type) {
case 'if':
assertExpression(js)
js = 'if (' + js + ')';
isIf = true;
break;
case 'unless':
assertExpression(js)
js = 'if (!(' + js + '))';
isIf = true;
break;
case 'else if':
assertExpression(js)
js = 'else if (' + js + ')';
isIf = true;
isElse = true;
break;
case 'else':
if (js && js.trim()) {
throw new Error('`else` cannot have a condition, perhaps you meant `else if`');
}
js = 'else';
isElse = true;
break;
}
var tok = this.tok('code', js);
tok.isElse = isElse;
tok.isIf = isIf;
tok.requiresBlock = true;
return tok;
}
},
/**
* While.
*/
"while": function() {
var captures;
if (captures = /^while +([^\n]+)/.exec(this.input)) {
this.consume(captures[0].length);
assertExpression(captures[1])
var tok = this.tok('code', 'while (' + captures[1] + ')');
tok.requiresBlock = true;
return tok;
}
},
/**
* Each.
*/
each: function() {
var captures;
if (captures = /^(?:- *)?(?:each|for) +([a-zA-Z_$][\w$]*)(?: *, *([a-zA-Z_$][\w$]*))? * in *([^\n]+)/.exec(this.input)) {
this.consume(captures[0].length);
var tok = this.tok('each', captures[1]);
tok.key = captures[2] || '$index';
assertExpression(captures[3])
tok.code = captures[3];
return tok;
}
},
/**
* Code.
*/
code: function() {
var captures;
if (captures = /^(!?=|-)[ \t]*([^\n]+)/.exec(this.input)) {
this.consume(captures[0].length);
var flags = captures[1];
captures[1] = captures[2];
var tok = this.tok('code', captures[1]);
tok.escape = flags.charAt(0) === '=';
tok.buffer = flags.charAt(0) === '=' || flags.charAt(1) === '=';
if (tok.buffer) assertExpression(captures[1])
return tok;
}
},
/**
* Attributes.
*/
attrs: function() {
if ('(' == this.input.charAt(0)) {
var index = this.bracketExpression().end
, str = this.input.substr(1, index-1)
, tok = this.tok('attrs');
assertNestingCorrect(str);
var quote = '';
var interpolate = function (attr) {
return attr.replace(/(\\)?#\{(.+)/g, function(_, escape, expr){
if (escape) return _;
try {
var range = characterParser.parseMax(expr);
Iif (expr[range.end] !== '}') return _.substr(0, 2) + interpolate(_.substr(2));
assertExpression(range.src)
return quote + " + (" + range.src + ") + " + quote + interpolate(expr.substr(range.end + 1));
} catch (ex) {
return _.substr(0, 2) + interpolate(_.substr(2));
}
});
}
this.consume(index + 1);
tok.attrs = [];
var escapedAttr = true
var key = '';
var val = '';
var interpolatable = '';
var state = characterParser.defaultState();
var loc = 'key';
var isEndOfAttribute = function (i) {
if (key.trim() === '') return false;
if (i === str.length) return true;
if (loc === 'key') {
if (str[i] === ' ' || str[i] === '\n') {
for (var x = i; x < str.length; x++) {
if (str[x] != ' ' && str[x] != '\n') {
if (str[x] === '=' || str[x] === '!' || str[x] === ',') return false;
else return true;
}
}
}
return str[i] === ','
} else if (loc === 'value' && !state.isNesting()) {
try {
Function('', 'return (' + val + ');');
if (str[i] === ' ' || str[i] === '\n') {
for (var x = i; x < str.length; x++) {
if (str[x] != ' ' && str[x] != '\n') {
if (characterParser.isPunctuator(str[x]) && str[x] != '"' && str[x] != "'") return false;
else return true;
}
}
}
return str[i] === ',';
} catch (ex) {
return false;
}
}
}
this.lineno += str.split("\n").length - 1;
for (var i = 0; i <= str.length; i++) {
if (isEndOfAttribute(i)) {
val = val.trim();
if (val) assertExpression(val)
key = key.trim();
key = key.replace(/^['"]|['"]$/g, '');
tok.attrs.push({
name: key,
val: '' == val ? true : val,
escaped: escapedAttr
});
key = val = '';
loc = 'key';
escapedAttr = false;
} else {
switch (loc) {
case 'key-char':
if (str[i] === quote) {
loc = 'key';
if (i + 1 < str.length && [' ', ',', '!', '=', '\n'].indexOf(str[i + 1]) === -1)
throw new Error('Unexpected character ' + str[i + 1] + ' expected ` `, `\\n`, `,`, `!` or `=`');
} else {
key += str[i];
}
break;
case 'key':
if (key === '' && (str[i] === '"' || str[i] === "'")) {
loc = 'key-char';
quote = str[i];
} else if (str[i] === '!' || str[i] === '=') {
escapedAttr = str[i] !== '!';
if (str[i] === '!') i++;
if (str[i] !== '=') throw new Error('Unexpected character ' + str[i] + ' expected `=`');
loc = 'value';
state = characterParser.defaultState();
} else {
key += str[i]
}
break;
case 'value':
state = characterParser.parseChar(str[i], state);
if (state.isString()) {
loc = 'string';
quote = str[i];
interpolatable = str[i];
} else {
val += str[i];
}
break;
case 'string':
state = characterParser.parseChar(str[i], state);
interpolatable += str[i];
if (!state.isString()) {
loc = 'value';
val += interpolate(interpolatable);
}
break;
}
}
}
if ('/' == this.input.charAt(0)) {
this.consume(1);
tok.selfClosing = true;
}
return tok;
}
},
/**
* &attributes block
*/
attributesBlock: function () {
var captures;
if (/^&attributes\b/.test(this.input)) {
this.consume(11);
var args = this.bracketExpression();
this.consume(args.end + 1);
return this.tok('&attributes', args.src);
}
},
/**
* Indent | Outdent | Newline.
*/
indent: function() {
var captures, re;
// established regexp
if (this.indentRe) {
captures = this.indentRe.exec(this.input);
// determine regexp
} else {
// tabs
re = /^\n(\t*) */;
captures = re.exec(this.input);
// spaces
if (captures && !captures[1].length) {
re = /^\n( *)/;
captures = re.exec(this.input);
}
// established
if (captures && captures[1].length) this.indentRe = re;
}
if (captures) {
var tok
, indents = captures[1].length;
++this.lineno;
this.consume(indents + 1);
if (' ' == this.input[0] || '\t' == this.input[0]) {
throw new Error('Invalid indentation, you can use tabs or spaces but not both');
}
// blank line
if ('\n' == this.input[0]) {
this.pipeless = false;
return this.tok('newline');
}
// outdent
if (this.indentStack.length && indents < this.indentStack[0]) {
while (this.indentStack.length && this.indentStack[0] > indents) {
this.stash.push(this.tok('outdent'));
this.indentStack.shift();
}
tok = this.stash.pop();
// indent
} else if (indents && indents != this.indentStack[0]) {
this.indentStack.unshift(indents);
tok = this.tok('indent', indents);
// newline
} else {
tok = this.tok('newline');
}
this.pipeless = false;
return tok;
}
},
/**
* Pipe-less text consumed only when
* pipeless is true;
*/
pipelessText: function() {
if (!this.pipeless) return;
var captures, re;
// established regexp
if (this.indentRe) {
captures = this.indentRe.exec(this.input);
// determine regexp
} else {
// tabs
re = /^\n(\t*) */;
captures = re.exec(this.input);
// spaces
if (captures && !captures[1].length) {
re = /^\n( *)/;
captures = re.exec(this.input);
}
// established
if (captures && captures[1].length) this.indentRe = re;
}
var indents = captures && captures[1].length;
if (indents && (this.indentStack.length === 0 || indents > this.indentStack[0])) {
var indent = captures[1];
var line;
var tokens = [];
var isMatch;
do {
// text has `\n` as a prefix
var i = this.input.substr(1).indexOf('\n');
if (-1 == i) i = this.input.length - 1;
var str = this.input.substr(1, i);
isMatch = str.substr(0, indent.length) === indent || !str.trim();
if (isMatch) {
// consume test along with `\n` prefix if match
this.consume(str.length + 1);
tokens.push(str.substr(indent.length));
}
} while(this.input.length && isMatch);
while (this.input.length === 0 && tokens[tokens.length - 1] === '') tokens.pop();
return this.tok('pipeless-text', tokens);
}
},
/**
* ':'
*/
colon: function() {
return this.scan(/^: */, ':');
},
fail: function () {
throw new Error('unexpected text ' + this.input.substr(0, 5));
},
/**
* Return the next token object, or those
* previously stashed by lookahead.
*
* @return {Object}
* @api private
*/
advance: function(){
return this.stashed()
|| this.next();
},
/**
* Return the next token object.
*
* @return {Object}
* @api private
*/
next: function() {
return this.deferred()
|| this.blank()
|| this.eos()
|| this.pipelessText()
|| this.yield()
|| this.doctype()
|| this.interpolation()
|| this["case"]()
|| this.when()
|| this["default"]()
|| this["extends"]()
|| this.append()
|| this.prepend()
|| this.block()
|| this.mixinBlock()
|| this.include()
|| this.includeFiltered()
|| this.mixin()
|| this.call()
|| this.conditional()
|| this.each()
|| this["while"]()
|| this.tag()
|| this.filter()
|| this.code()
|| this.id()
|| this.className()
|| this.attrs()
|| this.attributesBlock()
|| this.indent()
|| this.text()
|| this.comment()
|| this.colon()
|| this.dot()
|| this.textFail()
|| this.fail();
}
};
|