protected override void VisitBlockSyntax(BlockSyntax pNode)
{
//Validate that deferred statements do not contain "return" statements
//Report any unused variables
if (pNode.Deferred && SyntaxHelper.LastStatementIsReturn(pNode))
{
CompilerErrors.InvalidDefer(pNode.Span);
}
//Report any unused variables
_locals.AddScope();
base.VisitBlockSyntax(pNode);
foreach (var ld in _locals.GetVariablesInScope())
{
if (!ld.IsReferenced)
{
CompilerErrors.VariableNeverUsed(ld.Name, ld.Span);
}
}
_locals.RemoveScope();
}
