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