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							38 lines
						
					
					
						
							775 B
						
					
					
				| 'use strict'; | |
| 
 | |
| const types = require('../../tokenizer/types.cjs'); | |
| 
 | |
| const name = 'Parentheses'; | |
| const structure = { | |
|     children: [[]] | |
| }; | |
| 
 | |
| function parse(readSequence, recognizer) { | |
|     const start = this.tokenStart; | |
|     let children = null; | |
| 
 | |
|     this.eat(types.LeftParenthesis); | |
| 
 | |
|     children = readSequence.call(this, recognizer); | |
| 
 | |
|     if (!this.eof) { | |
|         this.eat(types.RightParenthesis); | |
|     } | |
| 
 | |
|     return { | |
|         type: 'Parentheses', | |
|         loc: this.getLocation(start, this.tokenStart), | |
|         children | |
|     }; | |
| } | |
| 
 | |
| function generate(node) { | |
|     this.token(types.LeftParenthesis, '('); | |
|     this.children(node); | |
|     this.token(types.RightParenthesis, ')'); | |
| } | |
| 
 | |
| exports.generate = generate; | |
| exports.name = name; | |
| exports.parse = parse; | |
| exports.structure = structure;
 | |
| 
 |