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			| a053984 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | import {
    WhiteSpace,
    Comment,
    Semicolon,
    AtKeyword,
    LeftCurlyBracket,
    RightCurlyBracket
} from '../../tokenizer/index.js';
const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
function consumeRaw(startToken) {
    return this.Raw(startToken, null, true);
}
function consumeRule() {
    return this.parseWithFallback(this.Rule, consumeRaw);
}
function consumeRawDeclaration(startToken) {
    return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);
}
function consumeDeclaration() {
    if (this.tokenType === Semicolon) {
        return consumeRawDeclaration.call(this, this.tokenIndex);
    }
    const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);
    if (this.tokenType === Semicolon) {
        this.next();
    }
    return node;
}
export const name = 'Block';
export const walkContext = 'block';
export const structure = {
    children: [[
        'Atrule',
        'Rule',
        'Declaration'
    ]]
};
export function parse(isStyleBlock) {
    const consumer = isStyleBlock ? consumeDeclaration : consumeRule;
    const start = this.tokenStart;
    let children = this.createList();
    this.eat(LeftCurlyBracket);
    scan:
    while (!this.eof) {
        switch (this.tokenType) {
            case RightCurlyBracket:
                break scan;
            case WhiteSpace:
            case Comment:
                this.next();
                break;
            case AtKeyword:
                children.push(this.parseWithFallback(this.Atrule.bind(this, isStyleBlock), consumeRaw));
                break;
            default:
                if (isStyleBlock && this.isDelim(AMPERSAND))  {
                    children.push(consumeRule.call(this));
                } else {
                    children.push(consumer.call(this));
                }
        }
    }
    if (!this.eof) {
        this.eat(RightCurlyBracket);
    }
    return {
        type: 'Block',
        loc: this.getLocation(start, this.tokenStart),
        children
    };
}
export function generate(node) {
    this.token(LeftCurlyBracket, '{');
    this.children(node, prev => {
        if (prev.type === 'Declaration') {
            this.token(Semicolon, ';');
        }
    });
    this.token(RightCurlyBracket, '}');
}
 |