55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
var TYPE = require('../../tokenizer').TYPE;
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var CHARCODE = require('../../tokenizer').CHARCODE;
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var IDENT = TYPE.Ident;
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var ASTERISK = CHARCODE.Asterisk;
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var VERTICALLINE = CHARCODE.VerticalLine;
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function eatIdentifierOrAsterisk() {
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if (this.scanner.tokenType !== IDENT &&
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this.scanner.isDelim(ASTERISK) === false) {
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this.error('Identifier or asterisk is expected');
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}
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this.scanner.next();
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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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module.exports = {
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name: 'TypeSelector',
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structure: {
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name: String
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},
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parse: function() {
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var start = this.scanner.tokenStart;
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if (this.scanner.isDelim(VERTICALLINE)) {
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this.scanner.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.scanner.isDelim(VERTICALLINE)) {
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this.scanner.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.scanner.tokenStart),
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name: this.scanner.substrToCursor(start)
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};
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},
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generate: function(node) {
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this.chunk(node.name);
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}
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};
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