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55 lines
1.5 KiB
55 lines
1.5 KiB
2 years ago
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import { tokenize } from '../tokenizer/index.js';
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import { createParser } from '../parser/create.js';
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import { createGenerator } from '../generator/create.js';
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import { createConvertor } from '../convertor/create.js';
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import { createWalker } from '../walker/create.js';
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import { Lexer } from '../lexer/Lexer.js';
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import mix from './config/mix.js';
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function createSyntax(config) {
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const parse = createParser(config);
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const walk = createWalker(config);
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const generate = createGenerator(config);
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const { fromPlainObject, toPlainObject } = createConvertor(walk);
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const syntax = {
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lexer: null,
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createLexer: config => new Lexer(config, syntax, syntax.lexer.structure),
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tokenize,
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parse,
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generate,
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walk,
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find: walk.find,
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findLast: walk.findLast,
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findAll: walk.findAll,
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fromPlainObject,
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toPlainObject,
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fork(extension) {
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const base = mix({}, config); // copy of config
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return createSyntax(
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typeof extension === 'function'
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? extension(base, Object.assign)
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: mix(base, extension)
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);
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}
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};
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syntax.lexer = new Lexer({
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generic: true,
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units: config.units,
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types: config.types,
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atrules: config.atrules,
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properties: config.properties,
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node: config.node
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}, syntax);
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return syntax;
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};
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export default config => createSyntax(mix({}, config));
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