virtual tokens between cursor

src/Generator.bf

@@ -580,7 +580,31 @@ abstract class Cpp2BeefGenerator
 		bool first = true;
 		for (let token in tokens)
 		{
-			bool isWritingQueuedToken = false;
+			if (!FilterTokensBetweenCursors(token, let isWritingQueuedToken))
+				continue;
+			if (isWritingQueuedToken && fileInfo.queuedTokens == .None)
+				block = @block;
+			let location = Clang.GetTokenLocation(unit, token);
+			Clang.GetFileLocation(location, ?, let startLine, ?, ?);
+			WriteLinesUntil!(startLine, location);
+			if (!isWritingQueuedToken)
+			{
+				if (first) Block();
+				first = false;
+			}
+			WriteToken(token);
+			for (let c in GetTokenSpelling!(token))
+				if (c == '\n')
+					line++;
+			Flush();
+		}
+		WriteLinesUntil!(curLine, writeUntil);
+		if (@block.HasValue) WriteBlock(@block.Value);
+	}
+
+	protected virtual bool FilterTokensBetweenCursors(CXToken token, out bool isWritingQueuedToken)
+	{
+		isWritingQueuedToken = false;
 		switch (Clang.GetTokenKind(token))
 		{
 		case .Comment:
@@ -599,26 +623,11 @@ abstract class Cpp2BeefGenerator
 			if (!fileInfo.queuedTokens.HasFlag(.RSquirly))
 				QueuedToken!(decltype(fileInfo.queuedTokens).Semicolon, ";");
 
-				if (!isWritingQueuedToken) continue;
-				if (fileInfo.queuedTokens == .None) block = @block;
-			default: continue;
+			if (!isWritingQueuedToken) return false;
+		default:
+			return false;
 		}
-			let location = Clang.GetTokenLocation(unit, token);
-			Clang.GetFileLocation(location, ?, let startLine, ?, ?);
-			WriteLinesUntil!(startLine, location);
-			if (!isWritingQueuedToken)
-			{
-				if (first) Block();
-				first = false;
-			}
-			WriteToken(token);
-			for (let c in GetTokenSpelling!(token))
-				if (c == '\n')
-					line++;
-			Flush();
-		}
-		WriteLinesUntil!(curLine, writeUntil);
-		if (@block.HasValue) WriteBlock(@block.Value);
+		return true;
 	}
 
 	protected enum TypeParamMode { None, InParam, OutParam }