public override Result VisitLiteral([NotNull] OclParser.LiteralContext context)
{
if (context.NUMBER() != null)
{
return(new DoubleResult(double.Parse(context.NUMBER().GetText())));
}
else if (context.stringLiteral() != null)
{
if (context.stringLiteral().NAME() != null)
{
return(new StringResult(context.stringLiteral().NAME().GetText()));
}
else if (context.stringLiteral().NUMBER() != null)
{
return(new StringResult(context.stringLiteral().NUMBER().GetText()));
}
else
{
return(new StringResult(string.Empty));
}
}
else if (context.booleanLiteral() != null)
{
return(new BoolResult(context.booleanLiteral().GetText() == "true"));
}
return(null);
}
/// <summary>
/// Visit a parse tree produced by <see cref="OclParser.literal"/>.
/// <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 VisitLiteral([NotNull] OclParser.LiteralContext context)
{
return(VisitChildren(context));
}