public override Node VisitAssignment([NotNull] FlyLangParser.AssignmentContext context)
{
if (context.SBL() != null)
{
return(new ArrayAssignment(context.ID().GetText(),
Visit(context.expression(0)), Visit(context.expression(1))));
}
if (context.ADD().Length == 2)
{
return(new Assignment(context.ID().GetText(),
new Expression(new VarCall(context.ID().GetText()),
new Literal(1), "+")));
}
if (context.SUB().Length == 2)
{
return(new Assignment(context.ID().GetText(),
new Expression(new VarCall(context.ID().GetText()),
new Literal(1), "-")));
}
return(new Assignment(context.ID().GetText(), Visit(context.expression(0))));
}
/// <summary>
/// Visit a parse tree produced by <see cref="FlyLangParser.assignment"/>.
/// <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 VisitAssignment([NotNull] FlyLangParser.AssignmentContext context)
{
return(VisitChildren(context));
}
