/// <summary>
/// Visit a parse tree produced by <see cref="Z80EvalParser.multExpr"/>.
/// <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 override object VisitMultExpr(Z80EvalParser.MultExprContext context)
{
if (IsInvalidContext(context))
{
return(null);
}
var expr = (ExpressionNode)VisitUnaryExpr(context.unaryExpr()[0]);
var opIndex = 1;
for (var i = 1; i < context.unaryExpr().Length; i++)
{
var rightExpr = VisitUnaryExpr(context.unaryExpr()[i]);
var opToken = context.GetTokenText(opIndex);
var multExpr = opToken == "*"
? new MultiplyOperationNode()
: (opToken == "/"
? new DivideOperationNode()
: new ModuloOperationNode() as BinaryOperationNode);
multExpr.LeftOperand = expr;
multExpr.RightOperand = (ExpressionNode)rightExpr;
expr = multExpr;
opIndex += 2;
}
return(expr);
}
/// <summary>
/// Visit a parse tree produced by <see cref="Z80EvalParser.multExpr"/>.
/// <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 VisitMultExpr([NotNull] Z80EvalParser.MultExprContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="Z80EvalParser.multExpr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitMultExpr([NotNull] Z80EvalParser.MultExprContext context)
{
}