/// <summary>
/// Walks the entire syntax tree and evaluates the maximum depth of all the nodes.
/// </summary>
private static int ComputeMaxDepth(SyntaxElement root)
{
var maxDepth = 0;
var depth = 0;
SyntaxElement.Walk(
root,
fnBefore: e =>
{
depth++;
if (depth > maxDepth)
{
maxDepth = depth;
}
},
fnAfter: e => depth--);
return(maxDepth);
}