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import { WhiteSpace, Delim } from '../../tokenizer/index.js';
const PLUSSIGN = 0x002B; // U+002B PLUS SIGN (+)
const SOLIDUS = 0x002F; // U+002F SOLIDUS (/)
const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
const TILDE = 0x007E; // U+007E TILDE (~)
export const name = 'Combinator';
export const structure = {
name: String
};
// + | > | ~ | /deep/
export function parse() {
const start = this.tokenStart;
let name;
switch (this.tokenType) {
case WhiteSpace:
name = ' ';
break;
case Delim:
switch (this.charCodeAt(this.tokenStart)) {
case GREATERTHANSIGN:
case PLUSSIGN:
case TILDE:
this.next();
break;
case SOLIDUS:
this.next();
this.eatIdent('deep');
this.eatDelim(SOLIDUS);
break;
default:
this.error('Combinator is expected');
}
name = this.substrToCursor(start);
break;
}
return {
type: 'Combinator',
loc: this.getLocation(start, this.tokenStart),
name
};
}
export function generate(node) {
this.tokenize(node.name);
}