function pushBlock(node) {
			const len = ++functionStack[functionStack.length - 1];

			if (len > maxDepth) {
				context.report({
					node,
					messageId: "tooDeeply",
					data: { depth: len, maxDepth },
				});
			}
		}
Save the block and Evaluate the node
@param {ASTNode} node node to evaluate
@returns {void}
@private