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4 years ago
var TYPE = require('../../tokenizer').TYPE;
var rawMode = require('./Raw').mode;
var LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;
function consumeRaw(startToken) {
return this.Raw(startToken, rawMode.leftCurlyBracket, true);
}
function consumePrelude() {
var prelude = this.SelectorList();
if (prelude.type !== 'Raw' &&
this.scanner.eof === false &&
this.scanner.tokenType !== LEFTCURLYBRACKET) {
this.error();
}
return prelude;
}
module.exports = {
name: 'Rule',
structure: {
prelude: ['SelectorList', 'Raw'],
block: ['Block']
},
parse: function() {
var startToken = this.scanner.tokenIndex;
var startOffset = this.scanner.tokenStart;
var prelude;
var block;
if (this.parseRulePrelude) {
prelude = this.parseWithFallback(consumePrelude, consumeRaw);
} else {
prelude = consumeRaw.call(this, startToken);
}
block = this.Block(true);
return {
type: 'Rule',
loc: this.getLocation(startOffset, this.scanner.tokenStart),
prelude: prelude,
block: block
};
},
generate: function(node) {
this.node(node.prelude);
this.node(node.block);
},
walkContext: 'rule'
};