private static _structuralEquals()

in src/grammar.ts [1480:1504]

• 18 lines of code
• 10 McCabe index (conditional complexity)

	private static _structuralEquals(a: StackElement | null, b: StackElement | null): boolean {
		do {
			if (a === b) {
				return true;
			}

			if (!a && !b) {
				// End of list reached for both
				return true;
			}

			if (!a || !b) {
				// End of list reached only for one
				return false;
			}

			if (a.depth !== b.depth || a.ruleId !== b.ruleId || a.endRule !== b.endRule) {
				return false;
			}

			// Go to previous pair
			a = a.parent;
			b = b.parent;
		} while (true);
	}