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