You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

34 lines
812 B

var TYPE = require('../../tokenizer').TYPE;
var LEFTPARENTHESIS = TYPE.LeftParenthesis;
var RIGHTPARENTHESIS = TYPE.RightParenthesis;
module.exports = {
name: 'Parentheses',
structure: {
children: [[]]
},
parse: function(readSequence, recognizer) {
var start = this.scanner.tokenStart;
var children = null;
this.eat(LEFTPARENTHESIS);
children = readSequence.call(this, recognizer);
if (!this.scanner.eof) {
this.eat(RIGHTPARENTHESIS);
}
return {
type: 'Parentheses',
loc: this.getLocation(start, this.scanner.tokenStart),
children: children
};
},
generate: function(node) {
this.chunk('(');
this.children(node);
this.chunk(')');
}
};