public override object VisitFunction_decl([NotNull] xmllangParser.Function_declContext context)
{
var functionName = context.ID().ToString();
Functions.TryGetValue(functionName, out var function);
if (function != null)
{
throw new Exception(VisitorExceptionMessages.AlreadyDefinedFunction);
}
CurrentFunction = new Function
{
Name = functionName,
Content = new StringBuilder($"public static void {functionName}(")
};
CurrentVarScope = new VarScope(CurrentFunction.Name);
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="xmllangParser.function_decl"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitFunction_decl([NotNull] xmllangParser.Function_declContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="xmllangParser.function_decl"/>.
/// <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 VisitFunction_decl([NotNull] xmllangParser.Function_declContext context)
{
return(VisitChildren(context));
}