public override object VisitXorExpr(Z80AsmParser.XorExprContext context)
{
if (context == null)
{
return(null);
}
var subExprs = context.andExpr();
var expr = VisitAndExpr(subExprs[0]);
for (var i = 1; i < subExprs.Length; i++)
{
var rightExpr = VisitAndExpr(subExprs[i]);
expr = new BitwiseXorOperationNode(expr, rightExpr);
}
return(expr);
}
/// <summary>
/// Visit a parse tree produced by <see cref="Generated.Z80AsmParser.xorExpr"/>.
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public override object VisitXorExpr(Z80AsmParser.XorExprContext context)
{
if (IsInvalidContext(context))
{
return(null);
}
var expr = VisitAndExpr(context.GetChild(0)
as Z80AsmParser.AndExprContext);
var nextChildIndex = 2;
while (nextChildIndex < context.ChildCount)
{
var rightExpr = VisitAndExpr(context.GetChild(nextChildIndex)
as Z80AsmParser.AndExprContext);
expr = new BitwiseXorOperationNode
{
LeftOperand = (ExpressionNode)expr,
RightOperand = (ExpressionNode)rightExpr
};
nextChildIndex += 2;
}
return(expr);
}
/// <summary>
/// Visit a parse tree produced by <see cref="Z80AsmParser.xorExpr"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitXorExpr([NotNull] Z80AsmParser.XorExprContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="Z80AsmParser.xorExpr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitXorExpr([NotNull] Z80AsmParser.XorExprContext context)
{
}
public BitwiseXorOperationNode(Z80AsmParser.XorExprContext context, Z80AsmVisitor visitor)
: base(context, context.expr()[0], context.expr()[1], visitor)
{
}
