public override Node VisitInfixValueExpr(ML4DParser.InfixValueExprContext context)
{
InfixExpressionNode node;
switch (context.op.Type)
{
case ML4DLexer.PLUS:
node = new AdditionNode("+");
break;
case ML4DLexer.MINUS:
node = new SubtractionNode("-");
break;
case ML4DLexer.MUL:
node = new MultiplicationNode("*");
break;
case ML4DLexer.DIV:
node = new DivisionNode("/");
break;
case ML4DLexer.POW:
node = new PowerNode("**");
break;
default:
throw new NotSupportedException(
$"The operator {context.op.Text}, is not a valid arithmetic operator.");
}
node.Left = (ExpressionNode)Visit(context.left);
node.Right = (ExpressionNode)Visit(context.right);
return(node);
}
/// <summary>
/// Exit a parse tree produced by the <c>infixValueExpr</c>
/// labeled alternative in <see cref="ML4DParser.expr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitInfixValueExpr([NotNull] ML4DParser.InfixValueExprContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>infixValueExpr</c>
/// labeled alternative in <see cref="ML4DParser.expr"/>.
/// <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 VisitInfixValueExpr([NotNull] ML4DParser.InfixValueExprContext context)
{
return(VisitChildren(context));
}
