public virtual void Visit(LogicalAndExpression node)
{
Visit((PolyadicOperatorExpression)node);
}
/// <summary>
/// <code>higherPRJExpr ( ('AND'|'&&') higherPRJExpr )*</code>
/// </summary>
/// <exception cref="System.SqlSyntaxErrorException" />
private IExpression LogicalAndExpression()
{
LogicalAndExpression and = null;
for (var expr = LogicalNotExpression();;)
{
switch (lexer.Token())
{
case MySqlToken.OpLogicalAnd:
case MySqlToken.KwAnd:
{
lexer.NextToken();
if (and == null)
{
and = new LogicalAndExpression();
and.SetCacheEvalRst(cacheEvalRst);
and.AppendOperand(expr);
expr = and;
}
var newExpr = LogicalNotExpression();
and.AppendOperand(newExpr);
break;
}
default:
{
return expr;
}
}
}
}