Function addScopeSymbols

lib/util/concatenate.js:174–185

(s, nameSet, scopeSet1, scopeSet2)

 * @param {ScopeSet} scopeSet2 scope set 2
 */
const addScopeSymbols = (s, nameSet, scopeSet1, scopeSet2) => {
	let scope = s;
	while (scope) {
		if (scopeSet1.has(scope)) break;
		if (scopeSet2.has(scope)) break;
		scopeSet1.add(scope);
		for (const variable of scope.variables) {
			nameSet.add(variable.name);
		}
		scope = scope.upper;
	}
};

const RESERVED_NAMES = new Set(
	[