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sehugg
20 lines
733 B
JavaScript
20 lines
733 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.hexTokenizer = void 0;
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const lr_1 = require("@lezer/lr");
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const lang_6502_grammar_terms_1 = require("../../gen/parser/lang-6502.grammar.terms");
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function isHexDigit(ch) {
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return (ch >= 48 && ch <= 57) || // 0-9
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(ch >= 65 && ch <= 70) || // A-F
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(ch >= 97 && ch <= 102); // a-f
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}
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exports.hexTokenizer = new lr_1.ExternalTokenizer((input) => {
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if (!isHexDigit(input.peek(0)) || !isHexDigit(input.peek(1)))
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return;
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let len = 2;
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while (isHexDigit(input.peek(len)))
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len++;
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if (len % 2 === 0)
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input.acceptToken(lang_6502_grammar_terms_1.HexByte, len);
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});
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//# sourceMappingURL=tokens-6502.js.map
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