LNode ExprOrNull(bool allowUnassignedVarDecl = false)
{
TokenType la0;
LNode result = default(LNode);
// Line 2069: greedy(ExprStart)?
la0 = LA0;
if (ReturnBreakContinueThrow_set0.Contains((int) la0))
result = ExprStart(allowUnassignedVarDecl);
return result;
}