public CompoundOperation(IZ80AsmVisitorContext visitorContext, Z80AsmParser.CompoundOperationContext context) : base(context)
{
var operands = context.operand();
if (operands == null)
{
return;
}
for (var i = 0; i < operands.Length; i++)
{
// --- Collect operands
var operandCtx = operands[i];
switch (i)
{
case 0:
Operand = visitorContext.GetOperand(operandCtx);
break;
case 1:
Operand2 = visitorContext.GetOperand(operandCtx);
break;
default:
Operand3 = visitorContext.GetOperand(operandCtx);
break;
}
}
}
/// <summary>
/// Visit a parse tree produced by <see cref="Generated.Z80AsmParser.compoundOperation"/>.
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public override object VisitCompoundOperation(Z80AsmParser.CompoundOperationContext context)
{
if (IsInvalidContext(context))
{
return(null);
}
var op = new CompoundOperation
{
Mnemonic = context.GetChild(0).NormalizeToken()
};
var operandFound = false;
foreach (var child in context.children)
{
// --- Collect operands
if (child is Z80AsmParser.OperandContext operandChild)
{
if (!operandFound)
{
op.Operand = (Operand)VisitOperand(operandChild);
}
else
{
op.Operand2 = (Operand)VisitOperand(operandChild);
}
operandFound = true;
continue;
}
// --- Collect optional condition
if (child is Z80AsmParser.ConditionContext condChild)
{
op.Condition = condChild.GetText().NormalizeToken();
continue;
}
// --- Collect optional bit index
if (child is Z80AsmParser.ExprContext exprChild)
{
op.BitIndex = (ExpressionNode)VisitExpr(exprChild);
}
}
return(AddLine(op, context));
}
public override object VisitCompoundOperation(Z80AsmParser.CompoundOperationContext context) => new CompoundOperation(this, context);
/// <summary>
/// Visit a parse tree produced by <see cref="Z80AsmParser.compoundOperation"/>.
/// <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 VisitCompoundOperation([NotNull] Z80AsmParser.CompoundOperationContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="Z80AsmParser.compoundOperation"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitCompoundOperation([NotNull] Z80AsmParser.CompoundOperationContext context)
{
}
