public override Node VisitTypeExpr(ML4DParser.TypeExprContext context)
{
ExpressionNode node;
switch (context.value.Type)
{
case ML4DLexer.INUM:
node = new IntNode(int.Parse(context.value.Text));
break;
case ML4DLexer.FNUM:
node = new DoubleNode(double.Parse(context.value.Text, CultureInfo.InvariantCulture));
break;
case ML4DLexer.BOOLVAL:
node = new BoolNode(bool.Parse(context.value.Text));
break;
case ML4DLexer.ID:
node = new IDNode(context.value.Text);
break;
default:
throw new NotSupportedException($"The value {context.value.Text}, is not allowed.");
}
return(node);
}
/// <summary>
/// Exit a parse tree produced by the <c>typeExpr</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 ExitTypeExpr([NotNull] ML4DParser.TypeExprContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>typeExpr</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 VisitTypeExpr([NotNull] ML4DParser.TypeExprContext context)
{
return(VisitChildren(context));
}