Fixed scope issue

Author: informedcitizenry

.gitignore

@@ -260,3 +260,5 @@ paket-files/
 
 # Visual Studio Code
 .vscode/
+
+cfg

Sixty502DotNet.Shared/Helpers/ResourceHandling/FileSystemCharStreamFactory.cs

@@ -38,7 +38,7 @@ public ICharStream GetStream(string source)
         {
             return CharStreams.fromPath(sourcePath);
         }
-        throw new IOException();
+        throw new IOException($"Could not open file '{source}'");
     }
 }
 

Sixty502DotNet.Shared/Runtime/Interpreter.cs

@@ -308,6 +308,7 @@ private int GenListing(SyntaxParser.InstructionContext context, char leadingChar
 
     private void PushAnonymousScope(int scopeIndex)
     {
+        Services.State.PassNeeded |= Services.State.InFirstPass;
         if (Services.State.Symbols.LookupToScope($"::{scopeIndex}") is not AnonymousScope scope)
         {
             scope = new AnonymousScope(scopeIndex, Services.State.Symbols.ActiveScope);

Sixty502DotNet.Shared/Runtime/InterpreterStatements.cs

@@ -4,7 +4,7 @@
 // Licensed under the MIT license. See LICENSE for full license information.
 // 
 //-----------------------------------------------------------------------------
-
+
 using Antlr4.Runtime.Misc;
 
 namespace Sixty502DotNet.Shared;
@@ -97,6 +97,7 @@ public override int VisitStatConstant([NotNull] SyntaxParser.StatConstantContext
 
     public override int VisitStatBlock([NotNull] SyntaxParser.StatBlockContext context)
     {
+        Services.State.PassNeeded |= Services.State.InFirstPass;
         CheckWhiteSpaceLeftOfLabel(context.name);
         if (context.name?.Identifier() == null)
         {