public override MurMurVariable VisitMethodOrVariableExpression([NotNull] MurMurParser.MethodOrVariableExpressionContext context)
{
var name = context.WORD().GetText();
MurMurVariable variable;
try
{
variable = FindVariable(name);
}
catch (Exception ex)
{
throw new MurMurException(ex.Message, context.start.Line);
}
if (variable.HasValue())
{
return(variable);
}
try
{
return(Invoke(name));
}
catch (Exception ex)
{
throw new MurMurException(ex.Message, context.start.Line);
}
}
/// <summary>
/// Visit a parse tree produced by the <c>methodOrVariableExpression</c>
/// labeled alternative in <see cref="MurMurParser.expression"/>.
/// <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 VisitMethodOrVariableExpression([NotNull] MurMurParser.MethodOrVariableExpressionContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>methodOrVariableExpression</c>
/// labeled alternative in <see cref="MurMurParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitMethodOrVariableExpression([NotNull] MurMurParser.MethodOrVariableExpressionContext context)
{
}
