[clang] [ClangRepl] Type Directed Code Completion (PR #67349)

[Vassil Vassilev via cfe-commits]

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@@ -56,26 +69,135 @@ class ReplCompletionConsumer : public CodeCompleteConsumer {
   std::shared_ptr<GlobalCodeCompletionAllocator> CCAllocator;
   CodeCompletionTUInfo CCTUInfo;
   std::vector<std::string> &Results;
+  ReplCodeCompletion &CC;
+};
+
+class CompletionContextHanndler {
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vgvassilev wrote:

```suggestion
class CompletionContextHandler {
```

Can we add some documentation, too?

https://github.com/llvm/llvm-project/pull/67349