60 lines
1.2 KiB
Plaintext
60 lines
1.2 KiB
Plaintext
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'use strict';
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const types = require('../../tokenizer/types.cjs');
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const ASTERISK = 0x002A; // U+002A ASTERISK (*)
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const VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)
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function eatIdentifierOrAsterisk() {
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if (this.tokenType !== types.Ident &&
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this.isDelim(ASTERISK) === false) {
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this.error('Identifier or asterisk is expected');
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}
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this.next();
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}
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const name = 'TypeSelector';
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const structure = {
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name: String
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};
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// ident
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// ident|ident
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// ident|*
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// *
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// *|ident
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// *|*
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// |ident
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// |*
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function parse() {
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const start = this.tokenStart;
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if (this.isDelim(VERTICALLINE)) {
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this.next();
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eatIdentifierOrAsterisk.call(this);
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} else {
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eatIdentifierOrAsterisk.call(this);
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if (this.isDelim(VERTICALLINE)) {
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this.next();
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eatIdentifierOrAsterisk.call(this);
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}
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}
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return {
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type: 'TypeSelector',
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loc: this.getLocation(start, this.tokenStart),
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name: this.substrToCursor(start)
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};
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}
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function generate(node) {
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this.tokenize(node.name);
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}
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exports.generate = generate;
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exports.name = name;
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exports.parse = parse;
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exports.structure = structure;
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