Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import {Lexer, createToken} from 'chevrotain';
import {k} from './lexer/ASN1Keyword';
export const Comment = createToken({
name: 'Comment',
pattern: /--.*?(?:\n|--)/,
group: Lexer.SKIPPED,
});
export const WhiteSpace = createToken({
name: 'WhiteSpace',
pattern: /[ \t\n\r]+/,
group: Lexer.SKIPPED,
});
// Keywords
export const AFFECTATION = createToken({name: 'AFFECTATION', pattern: /::=/});
export const L_CURLY = createToken({name: 'LCurly', pattern: /{/});
export const R_CURLY = createToken({name: 'RCurly', pattern: /}/});
export const L_PARENTHESIS = createToken({name: 'LParenthesis', pattern: /\(/});
export const R_PARENTHESIS = createToken({name: 'RParenthesis', pattern: /\)/});
export const L_SQUARE = createToken({name: 'LSquareBracket', pattern: /\[/});
export const R_SQUARE = createToken({name: 'RSquareBracket', pattern: /\]/});
export const COMMA = createToken({name: 'Comma', pattern: /,/});
export const SEMI_COLUMN = createToken({name: 'SemiColumn', pattern: /;/});
export const PIPE = createToken({name: 'Pipe', pattern: /\|/});
export const RANGE_SEPARATOR = createToken({
name: 'RangeSeparator',
pattern: /[.][.]/,
});
export const TypeReference = createToken({
name: 'TypeReference',
// 12.2.1
// Note: use of non capturing group. (?:xxx)
pattern: /[A-Z](?:-?\w+)*/,
});
export const Identifier = createToken({
name: 'Identifier',
// 12.3
pattern: /[a-z](?:-?\w+)*/,
});
export const NegativeNumberToken = createToken({
name: 'NegativeNumber',
// 12.8 and 19.1
pattern: /-[1-9][0-9]*/,
});
export const NumberToken = createToken({
name: 'Number',
// 12.8
pattern: /(?:[1-9][0-9]*)|0/,
});
export const allASN1Tokens = [
Comment,
WhiteSpace,
...Object.values(k),
// 3 chars
AFFECTATION,
// 2 chars
RANGE_SEPARATOR,
// 1 chars
L_CURLY,
R_CURLY,
L_PARENTHESIS,
R_PARENTHESIS,
L_SQUARE,
R_SQUARE,
COMMA,
SEMI_COLUMN,
PIPE,
// The Identifier must appear after the keywords because all keywords are valid identifiers.
Identifier,
TypeReference,
NegativeNumberToken,
NumberToken,
];
export const ASN1Lexer = new Lexer(allASN1Tokens);
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