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90 lines
2.1 KiB
90 lines
2.1 KiB
'use strict'; |
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const types = require('../../tokenizer/types.cjs'); |
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function consumeRaw(startToken) { |
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return this.Raw(startToken, null, true); |
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} |
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function consumeRule() { |
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return this.parseWithFallback(this.Rule, consumeRaw); |
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} |
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function consumeRawDeclaration(startToken) { |
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return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true); |
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} |
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function consumeDeclaration() { |
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if (this.tokenType === types.Semicolon) { |
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return consumeRawDeclaration.call(this, this.tokenIndex); |
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} |
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const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration); |
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if (this.tokenType === types.Semicolon) { |
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this.next(); |
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} |
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return node; |
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} |
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const name = 'Block'; |
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const walkContext = 'block'; |
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const structure = { |
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children: [[ |
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'Atrule', |
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'Rule', |
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'Declaration' |
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]] |
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}; |
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function parse(isDeclaration) { |
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const consumer = isDeclaration ? consumeDeclaration : consumeRule; |
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const start = this.tokenStart; |
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let children = this.createList(); |
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this.eat(types.LeftCurlyBracket); |
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scan: |
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while (!this.eof) { |
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switch (this.tokenType) { |
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case types.RightCurlyBracket: |
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break scan; |
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case types.WhiteSpace: |
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case types.Comment: |
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this.next(); |
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break; |
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case types.AtKeyword: |
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children.push(this.parseWithFallback(this.Atrule, consumeRaw)); |
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break; |
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default: |
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children.push(consumer.call(this)); |
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} |
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} |
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if (!this.eof) { |
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this.eat(types.RightCurlyBracket); |
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} |
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return { |
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type: 'Block', |
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loc: this.getLocation(start, this.tokenStart), |
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children |
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}; |
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} |
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function generate(node) { |
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this.token(types.LeftCurlyBracket, '{'); |
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this.children(node, prev => { |
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if (prev.type === 'Declaration') { |
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this.token(types.Semicolon, ';'); |
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} |
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}); |
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this.token(types.RightCurlyBracket, '}'); |
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} |
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exports.generate = generate; |
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exports.name = name; |
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exports.parse = parse; |
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exports.structure = structure; |
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exports.walkContext = walkContext;
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