| 'use strict'; |
| |
| const types = require('../../tokenizer/types.cjs'); |
| |
| 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 (~) |
| |
| const name = 'Combinator'; |
| const structure = { |
| name: String |
| }; |
| |
| // + | > | ~ | /deep/ |
| function parse() { |
| const start = this.tokenStart; |
| let name; |
| |
| switch (this.tokenType) { |
| case types.WhiteSpace: |
| name = ' '; |
| break; |
| |
| case types.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 |
| }; |
| } |
| |
| function generate(node) { |
| this.tokenize(node.name); |
| } |
| |
| exports.generate = generate; |
| exports.name = name; |
| exports.parse = parse; |
| exports.structure = structure; |