-
Notifications
You must be signed in to change notification settings - Fork 3.7k
/
ZLexer.g4
482 lines (422 loc) · 16.6 KB
/
ZLexer.g4
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
/*
[The "BSD licence"]
Copyright (c) 2017 Adam Taylor
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The name of the author may not be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// $antlr-format alignTrailingComments true, columnLimit 150, maxEmptyLinesToKeep 1, reflowComments false, useTab false
// $antlr-format allowShortRulesOnASingleLine true, allowShortBlocksOnASingleLine true, minEmptyLines 0, alignSemicolons ownLine
// $antlr-format alignColons trailing, singleLineOverrulesHangingColon true, alignLexerCommands true, alignLabels true, alignTrailers true
lexer grammar ZLexer;
@lexer::members {
public static final Integer[] BOTH_VALUES = new Integer[] { ELSE, FUNCTION, GENERIC, LEFTASSOC, PARENTS, RELATION, RIGHTASSOC, SECTION, THEN, FREE_EQUALS, VERTICAL_LINE, LEFT_DOUBLE_ANGLE_BRACKET, RIGHT_DOUBLE_ANGLE_BRACKET, AMPERSAND, RIGHT_TACK, LIST, LOGICAL_AND, LOGICAL_OR, RIGHTWARDS_DOUBLE_ARROW, LEFT_RIGHT_DOUBLE_ARROW, MULTIPLICATION_SIGN, SOLIDUS, EQUALS_SIGN, ELEMENT_OF, DEFINE_EQUAL, COLON, SEMICOLON, COMMA, FULL_STOP, SPOT, BIG_REVERSE_SOLIDUS, SCHEMA_PROJECTION, SCHEMA_COMPOSITION, SCHEMA_PIPING };
public static final Integer[] AFTER_VALUES = new Integer[] { IF, LET, PRE_KEY, LEFT_SQUARE_BRACKET, ARGUMENT, NOT_SIGN, FOR_ALL, THERE_EXISTS, POWERSET, LEFT_PARENTHESIS, LEFT_CURLY_BRACKET, LEFT_BINDING_BRACKET, GREEK_SMALL_LETTER_LAMBDA, GREEK_SMALL_LETTER_MU, GREEK_SMALL_LETTER_THETA, ZED, AX, SCH /*GENAX GENSCH*/};
public static final Integer[] BEFORE_VALUES = new Integer[] { RIGHT_SQUARE_BRACKET, RIGHT_PARENTHESIS, RIGHT_CURLY_BRACKET, RIGHT_BINDING_BRACKET, END};
public static final java.util.Set<Integer> BOTH = new java.util.HashSet<Integer>(java.util.Arrays.asList(BOTH_VALUES));
public static final java.util.Set<Integer> AFTER = new java.util.HashSet<Integer>(java.util.Arrays.asList(AFTER_VALUES));
public static final java.util.Set<Integer> BEFORE = new java.util.HashSet<Integer>(java.util.Arrays.asList(BEFORE_VALUES));
int lastTokenType = 0;
public void emit(Token token) {
super.emit(token);
lastTokenType = token.getType();
}
public boolean shouldNL(int nextToken) {
if(BOTH.contains(lastTokenType)) {
return false;
} else if(AFTER.contains(lastTokenType)) {
return false;
} else if(BEFORE.contains(nextToken)) {
return false;
}
return true;
}
}
// http://standards.iso.org/ittf/PubliclyAvailableStandards/c021573_ISO_IEC_13568_2002(E).zip
// https://www.iso.org/obp/ui/#iso:std:iso-iec:13568:ed-1:v1:cor:1:v1:en
// 6.4.4.4 Box characters
ZED:
'\u2500' -> mode(Z)
; // In line 6, replace "| 0000 2028 LINE SEPARATOR" by "— 0000 2500 BOX DRAWINGS LIGHT HORIZONTAL".
SCH : '\u250C' -> mode(Z); // ┌
AX : '\u2577' -> mode(Z); // ╷
TEXT : ~[\u2500\u250C\u2577]+ -> channel(HIDDEN);
mode Z;
// 7.5 Newlines
NUMERAL : DECIMAL+;
STROKE : (STROKECHAR | SOUTH_EAST_ARROW DECIMAL NORTH_WEST_ARROW);
// 6.4.4.3 Bracket characters
LEFT_PARENTHESIS : '\u0028'; // (
RIGHT_PARENTHESIS : '\u0029'; // )
LEFT_SQUARE_BRACKET : '\u005B'; // [
RIGHT_SQUARE_BRACKET : '\u005D'; // ]
LEFT_CURLY_BRACKET : '\u007B'; // {
RIGHT_CURLY_BRACKET : '\u007D'; // }
LEFT_BINDING_BRACKET : '\u2989'; // ⦉
RIGHT_BINDING_BRACKET : '\u298A'; // ⦊
LEFT_DOUBLE_ANGLE_BRACKET:
'\u27EA'
; //《 In line 10, replace "0000 300A LEFT DOUBLE ANGLE BRACKET" by "0000 27EA MATHEMATICAL LEFT DOUBLE ANGLE BRACKET".
RIGHT_DOUBLE_ANGLE_BRACKET:
'\u27EB'
; // 》In line 11, replace "0000 300B RIGHT DOUBLE ANGLE BRACKET" by "0000 27EB MATHEMATICAL RIGHT DOUBLE ANGLE BRACKET".
// 6.4.4.4 Box characters
GEN: '\u2550'; // ═
END:
'\u2514' -> mode(DEFAULT_MODE)
; // In line 10, replace "(new line) 0000 2029 PARAGRAPH SEPARATOR" by "| 0000 2514 BOX DRAWINGS LIGHT UP AND RIGHT".
// 6.4.4.5 Other SPECIAL characters
NLCHAR:
'\u2028' -> type(NL)
; // In line 2, replace "0000 000A LINE FEED" by "0000 2028 LINE SEPARATOR".
//SPACE: '\u0020'; // ' '
WS:
[\p{Zs}]+ -> skip
; // All Unicode characters with General Category Zs shall be treated as SPACE.
NL: [\r\n]+ {shouldNL(_input.LA(1))}?;
//NL: [\r\n]+ -> channel(HIDDEN);
IGNORE_NL: [\r\n]+ -> skip;
// 7.4.2 Alphabetic keywords
ELSE : 'else';
FALSE : 'false';
FUNCTION : 'function';
GENERIC : 'generic';
IF : 'if';
LEFTASSOC : 'leftassoc';
LET : 'let';
POWERSET : '\u2119'; // ℙ
PARENTS : 'parents';
PRE_KEY : 'pre';
RELATION : 'relation';
RIGHTASSOC : 'rightassoc';
SECTION : 'section';
THEN : 'then';
TRUE : 'true';
// 7.4.3 Symbolic keywords
COLON : ':';
DEFINE_EQUAL : '==';
COMMA : ',';
FREE_EQUALS : '::=';
VERTICAL_LINE : '|';
AMPERSAND : '\u0026'; // &
REVERSE_SOLIDUS : '\u005C'; // \
SOLIDUS : '/';
FULL_STOP : '.'; // SELECT
SEMICOLON : ';';
ARGUMENT : '_';
LIST : ',,';
EQUALS_SIGN : '=';
CONJECTURE : '\u22A2' QUESTION_MARK; // ⊢?
FOR_ALL : '\u2200'; // ∀
SPOT : '\u2981'; // ⦁
THERE_EXISTS : '\u2203'; // ∃
UNIQUE_EXISTS : THERE_EXISTS SOUTH_EAST_ARROW '1' NORTH_WEST_ARROW; // ∃0
LEFT_RIGHT_DOUBLE_ARROW : '\u21D4'; // ⇔
RIGHTWARDS_DOUBLE_ARROW : '\u21D2'; // ⇒
LOGICAL_OR : '\u2228'; // ∨
LOGICAL_AND : '\u2227'; // ∧
NOT_SIGN : '\u00AC'; // ¬
ELEMENT_OF : '\u2208'; // ∈
SCHEMA_PROJECTION : '\u2A21'; // ⨡
MULTIPLICATION_SIGN : '\u00D7'; // x
GREEK_SMALL_LETTER_THETA : '\u03B8'; // θ
GREEK_SMALL_LETTER_LAMBDA : '\u03BB'; // λ
GREEK_SMALL_LETTER_MU : '\u03BC'; // μ
SCHEMA_COMPOSITION : '\u2A1F'; // ⨟
SCHEMA_PIPING : '\u2A20'; // ⨠
NAME: WORD STROKE*;
// 7.2 Formal definition of context free lexis
// modified to fit section 7.4.1
fragment WORD:
WORDPART+
| (LETTER | NONDECIMAL) ALPHASTR WORDPART*
| SYMBOL SYMBOLSTR WORDPART*
| PUNCT+ EQUALS_SIGN?
;
fragment WORDGLUE:
SOUTH_EAST_ARROW
| NORTH_WEST_ARROW
| NORTH_EAST_ARROW
| SOUTH_WEST_ARROW
| '_'
;
WORDPART: WORDGLUE (ALPHASTR | SYMBOLSTR);
fragment ALPHASTR: (LETTER | DIGIT)*;
fragment SYMBOLSTR: SYMBOL*;
fragment DIGIT:
DECIMAL
| NONDECIMAL // any other UCS characters with General Category N* except Nd
;
fragment DECIMAL:
[\p{Nd}] // Decimal number
;
fragment NONDECIMAL:
[\p{Nl}] // Letter number
| [\p{No}] // Other number
;
fragment LETTER:
LATIN
| GREEK
| OTHERLETTER
| OTHER_MATH_TOOLKIT_LETTERS // characters of the mathematical toolkit with General Category neither L* nor N*
| OTHER_UCS_LETTERS // any other UCS characters with General Category L*
;
fragment OTHER_MATH_TOOLKIT_LETTERS:
MATHEMATICAL_DOUBLE_STRUCK_CAPITAL_F
| DOUBLE_STRUCK_CAPITAL_Z
;
fragment OTHER_UCS_LETTERS:
[\p{L}] // Letter
;
fragment LATIN: [A-Za-z];
fragment GREEK:
GREEK_CAPITAL_LETTER_DELTA
| GREEK_CAPITAL_LETTER_XI
| GREEK_SMALL_LETTER_THETA
| GREEK_SMALL_LETTER_LAMBDA
| GREEK_SMALL_LETTER_MU
;
// 6.4.3.2 Greek alphabet characters
GREEK_CAPITAL_LETTER_DELTA : '\u0394'; // Δ
GREEK_CAPITAL_LETTER_XI : '\u039E'; // Ξ
// 6.4.3.3 Other Z core language letter characters
MATHEMATICAL_DOUBLE_STRUCK_CAPITAL_A : '\uD835\uDD38'; // 𝔸
DOUBLE_STRUCK_CAPITAL_N : '\u2115'; // ℕ
fragment OTHERLETTER: MATHEMATICAL_DOUBLE_STRUCK_CAPITAL_A | DOUBLE_STRUCK_CAPITAL_N | POWERSET;
fragment PUNCT:
COMMA
| SEMICOLON
| COLON
| FULL_STOP //SELECT
;
fragment STROKECHAR: MODIFIER_LETTER_PRIME | EXCLAMATION_MARK | QUESTION_MARK;
// 6.4.4.1 Stroke characters
MODIFIER_LETTER_PRIME:
'\u2032'
; // ′ In line 2, replace "0000 02B9 MODIFIER LETTER PRIME" by "0000 2032 PRIME".
EXCLAMATION_MARK : '\u0021'; // !
QUESTION_MARK : '\u003F'; // ?
// 6.4.4.2 Word glue characters
NORTH_EAST_ARROW : '\u2197'; // ↗
SOUTH_WEST_ARROW : '\u2199'; // ↙
SOUTH_EAST_ARROW : '\u2198'; // ↘
NORTH_WEST_ARROW : '\u2196'; // ↖
//LOW_LINE : '\u005F'; // _
fragment SYMBOL:
VERTICAL_LINE
| AMPERSAND
| RIGHT_TACK
| LOGICAL_AND
| LOGICAL_OR
| RIGHTWARDS_DOUBLE_ARROW
| LEFT_RIGHT_DOUBLE_ARROW
| NOT_SIGN
| FOR_ALL
| THERE_EXISTS
| MULTIPLICATION_SIGN
| SOLIDUS
| EQUALS_SIGN
| ELEMENT_OF
| SPOT
| BIG_REVERSE_SOLIDUS
| SCHEMA_PROJECTION
| SCHEMA_COMPOSITION
| SCHEMA_PIPING
| PLUS_SIGN
| MATHEMATICAL_TOOLKIT_SYMBOLS // characters of the mathematical toolkit with General Category neither L* nor N*
| OTHER_UCS_SYMBOLS // any other UCS characters with General Category S*, P* or M* and that are not in SPECIAL
;
fragment OTHER_UCS_SYMBOLS:
[\p{S}] // Currency Symbol
| [\p{P}] // Connector Punctuation
| [\p{Mc}] // Spacing mark
;
// Insert "6.4.4 Punctuation characters
//COLON : '\u003A'; // :
//SEMICOLON : '\u003B'; // ;
//COMMA : '\u002C'; // ,
//FULL_STOP : '\u002E'; // .
// 6.4.5 Symbol characters except mathematical toolkit characters
//VERTICAL_LINE: '\u007C'; // |
//AMPERSAND : '\u0026'; // &
RIGHT_TACK: '\u22A2'; // ⊢
//LOGICAL_AND : '\u2227'; // ∧
//LOGICAL_OR : '\u2228'; // ∨
//RIGHTWARDS_DOUBLE_ARROW : '\u21D2'; // ⇒
//LEFT_RIGHT_DOUBLE_ARROW : '\u21D4'; // ⇔
//NOT_SIGN : '\u00AC'; // ¬
//FOR_ALL : '\u2200'; // ∀
//THERE_EXISTS : '\u2203'; // ∃
//MULTIPLICATION_SIGN : '\u00D7'; // x
//SOLIDUS : '\u002F'; // /
//EQUALS_SIGN : '\u003D'; // =
//ELEMENT_OF : '\u2208'; // ∈
//SPOT : '\u2981'; // ⦁
BIG_REVERSE_SOLIDUS: '\u29F9'; // ⧹
//SCHEMA_PROJECTION : '\u2A21'; // ⨡
//SCHEMA_COMPOSITION : '\u2A1F'; // ⨟
//SCHEMA_PIPING : '\u2A20'; // ⨠
PLUS_SIGN: '\u002B'; // +
// 6.4.6 Mathematical toolkit characters
//fragment
MATHEMATICAL_TOOLKIT_SYMBOLS:
SET_TOOLKIT
| RELATION_TOOLKIT
| FUNCTION_TOOLKIT
| NUMBER_TOOLKIT
| SEQUENCE_TOOLKIT
;
// 6.4.6.1 Section set toolkit
LEFT_RIGHT_ARROW : '\u2194'; // ↔
RIGHTWARDS_ARROW : '\u2192'; // →
NOT_EQUAL_TO : '\u2260'; // ≠
NOT_AN_ELEMENT_OF : '\u2209'; // ∉
EMPTY_SET : '\u2205'; // ∅
SUBSET_OF_OR_EQUAL_TO : '\u2286'; // ⊆
SUBSET_OF : '\u2282'; // ⊂
UNION : '\u222A'; // ∪
INTERSECTION : '\u2229'; // ∩
SET_MINUS : '\u2216'; // ∖ In line 11, replace "0000 005C REVERSE SOLIDUS" by "0000 2216 SET MINUS".
CIRCLED_MINUS : '\u2296'; // ⊖
N_ARY_UNION : '\u22C3'; // ⋃
N_ARY_INTERSECTION : '\u22C2'; // ⋂
MATHEMATICAL_DOUBLE_STRUCK_CAPITAL_F : '\uD835\uDD3D'; // 𝔽
fragment SET_TOOLKIT:
LEFT_RIGHT_ARROW
| RIGHTWARDS_ARROW
| NOT_EQUAL_TO
| NOT_AN_ELEMENT_OF
| EMPTY_SET
| SUBSET_OF_OR_EQUAL_TO
| SUBSET_OF
| UNION
| INTERSECTION
| REVERSE_SOLIDUS
| CIRCLED_MINUS
| N_ARY_UNION
| N_ARY_INTERSECTION
;
// 6.4.6.2 Section relation toolkit
RIGHTWARDS_ARROW_FROM_BAR : '\u21A6'; // ↦
RELATIONAL_COMPOSITION : '\u2A3E'; // ⨾
RING_OPERATOR : '\u2218'; // ∘
WHITE_LEFT_POINTING_TRIANGLE : '\u25C1'; // ◁
WHITE_RIGHT_POINTING_TRIANGLE : '\u25B7'; // ▷
DOMAIN_ANTIRESTRICTION : '\u2A64'; // ⩤
RANGE_ANTIRESTRICTION : '\u2A65'; // ⩥
TILDE_OPERATOR : '\u223C'; // ∼
LEFT_IMAGE_BRACKET : '\u2987'; // ⦇
RIGHT_IMAGE_BRACKET : '\u2988'; // ⦈
CIRCLED_PLUS : '\u2295'; // ⊕
fragment RELATION_TOOLKIT:
RIGHTWARDS_ARROW_FROM_BAR
| RELATIONAL_COMPOSITION
| RING_OPERATOR
| WHITE_LEFT_POINTING_TRIANGLE
| WHITE_RIGHT_POINTING_TRIANGLE
| DOMAIN_ANTIRESTRICTION
| RANGE_ANTIRESTRICTION
| TILDE_OPERATOR
| LEFT_IMAGE_BRACKET
| RIGHT_IMAGE_BRACKET
| CIRCLED_PLUS
;
// 6.4.6.3 Section function toolkit
RIGHTWARDS_ARROW_WITH_VERTICAL_STROKE : '\u21F8'; // ⇸
RIGHTWARDS_ARROW_WITH_TAIL_WITH_VERTICAL_STROKE : '\u2914'; // ⤔
RIGHTWARDS_ARROW_WITH_TAIL : '\u21A3'; // ↣
RIGHTWARDS_TWO_HEADED_ARROW_WITH_VERTICAL_STROKE : '\u2900'; // ⤀
RIGHTWARDS_TWO_HEADED_ARROW : '\u21A0'; // ↠
RIGHTWARDS_TWO_HEADED_ARROW_WITH_TAIL : '\u2916'; // ⤖
RIGHTWARDS_ARROW_WITH_DOUBLE_VERTICAL_STROKE : '\u21FB'; // ⇻
RIGHTWARDS_ARROW_WITH_TAIL_WITH_DOUBLE_VERTICAL_STROKE : '\u2915'; // ⤕
fragment FUNCTION_TOOLKIT:
RIGHTWARDS_ARROW_WITH_VERTICAL_STROKE
| RIGHTWARDS_ARROW_WITH_TAIL_WITH_VERTICAL_STROKE
| RIGHTWARDS_ARROW_WITH_TAIL
| RIGHTWARDS_TWO_HEADED_ARROW_WITH_VERTICAL_STROKE
| RIGHTWARDS_TWO_HEADED_ARROW
| RIGHTWARDS_TWO_HEADED_ARROW_WITH_TAIL
| RIGHTWARDS_ARROW_WITH_DOUBLE_VERTICAL_STROKE
| RIGHTWARDS_ARROW_WITH_TAIL_WITH_DOUBLE_VERTICAL_STROKE
;
// 6.4.6.4 Section number toolkit
DOUBLE_STRUCK_CAPITAL_Z : '\u2124'; // ℤ
HYPHEN_MINUS : '\u002D'; // -
MINUS_SIGN : '\u2212'; // −
LESS_THAN_OR_EQUAL_TO : '\u2264'; // ≤
LESS_THAN_SIGN : '\u003C'; // <
GREATER_THAN_OR_EQUAL_TO : '\u2265'; // ≥
GREATER_THAN_SIGN : '\u003E'; // >
ASTERISK : '\u002A'; // *
// 6.4.6.4 Section number toolkit
fragment NUMBER_TOOLKIT:
HYPHEN_MINUS
| MINUS_SIGN
| LESS_THAN_OR_EQUAL_TO
| LESS_THAN_SIGN
| GREATER_THAN_OR_EQUAL_TO
| GREATER_THAN_SIGN
| ASTERISK
;
// 6.4.6.5 Section sequence toolkit
NUMBER_SIGN : '\u0023'; // #
CHARACTER_TIE : '\u2040'; // ⁀
UPWARDS_HARPOON_WITH_BARB_LEFTWARDS : '\u21BF'; // ↿
UPWARDS_HARPOON_WITH_BARB_RIGHTWARDS : '\u21BE'; // ↾
LEFT_ANGLE_BRACKET:
'\u27E8'
; // 〈 In line 3, replace "0000 3008 LEFT ANGLE BRACKET" by "0000 27E8 MATHEMATICAL LEFT ANGLE BRACKET".
RIGHT_ANGLE_BRACKET:
'\u27E9'
; // 〉In line 4, replace "0000 3009 RIGHT ANGLE BRACKET" by "0000 27E9 MATHEMATICAL RIGHT ANGLE BRACKET".
fragment SEQUENCE_TOOLKIT:
NUMBER_SIGN
| LEFT_ANGLE_BRACKET
| RIGHT_ANGLE_BRACKET
| CHARACTER_TIE
| UPWARDS_HARPOON_WITH_BARB_LEFTWARDS
| UPWARDS_HARPOON_WITH_BARB_RIGHTWARDS
;
ID: ID0 ID1*;
fragment ID1 : ID0 | [\p{Nd}];
fragment ID0 : [\p{L}] | '_';
PREP : NAME;
PRE : NAME;
POSTP : NAME;
POST : NAME;
IP : NAME;
I : NAME;
LP : NAME;
L : NAME;
ELP : NAME;
EL : NAME;
ERP : NAME;
ER : NAME;
SRP : NAME;
SR : NAME;
EREP : NAME;
ERE : NAME;
SREP : NAME;
SRE : NAME;
ES : NAME;
SS : NAME;
UNKNOWN: .;