Function useSoaBackend

lib/css/syntax.js:1808–1856

(input, lc)

 * @param {LocConverter} lc loc converter
 */
const useSoaBackend = (input, lc) => {
	_soaInput = input;
	_soaLC = lc;
	_soaN = 0;
	_mkLeaf = (type, start, end) => _soaAlloc(type, start, end);
	_mkUrl = (start, end, cs, ce) => {
		const r = _soaAlloc(T_URL, start, end);
		_soaA0[_ix(r)] = cs;
		_soaA1[_ix(r)] = ce;
		return r;
	};
	_mkContainer = (type, start, end) => _soaAlloc(type, start, end);
	_mkStylesheet = (start) => _soaAlloc(T_STYLESHEET, start, start);
	// name / nameStart are derived from start + nameEnd; only nameEnd is stored.
	_setName = (r, v, ns, ne) => {
		_soaA0[_ix(r)] = ne;
	};
	_setEnd = (r, v) => {
		_soaEn[_ix(r)] = v;
	};
	_setBlock = (r, bs, be) => {
		const i = _ix(r);
		_soaA1[i] = bs;
		_soaA2[i] = be;
	};
	_setImportant = (r) => {
		_soaFl[_ix(r)] |= 1;
	};
	// A simple block's token is derived from its opening char on read.
	_setToken = (r, ch) => {};
	_setValue = (r, list) => {
		_soaL0[_ix(r)] = list;
	};
	_setPrelude = (r, list) => {
		_soaL0[_ix(r)] = list;
	};
	_setBody = (r, decls, childRules) => {
		const i = _ix(r);
		_soaL1[i] = decls;
		_soaL2[i] = childRules;
	};
	_setRules = (r, list) => {
		_soaL0[_ix(r)] = list;
	};
	_nType = (r) => _soaTy[_ix(r)];
	_nStart = (r) => _soaSt[_ix(r)];
	_nValue = (r) => _soaValueOf(_ix(r));
	_nToken = (r) => /** @type {SimpleBlockToken} */ (_soaInput[_soaSt[_ix(r)]]);
};

/**
 * Materialize a single non-block, non-function lexer token as its leaf AST node — the spec's "consume a token" result (§5.4.8 "anything else"), preserving stray closers / CDO / CDC.