erichkeane added inline comments.

================
Comment at: clang/utils/TableGen/ClangAttrEmitter.cpp:3400
 
-static std::string GenerateAppertainsTo(const Record &Attr, raw_ostream &OS) {
+static void GenerateAppertainsTo(const Record &Attr, raw_ostream &SS,
+                                 raw_ostream &OS) {
----------------
john.brawn wrote:
> erichkeane wrote:
> > Why does this take SS AND OS.  What is the difference here?  Does this 
> > actually use OS anymore?
> It's because of GenerateCustomAppertainsTo.  That generates a function that 
> expects to be at file scope (because emitAttributeMatchRules re-uses the same 
> function), but at the time GenerateAppertainsTo is called SS is in the middle 
> of the ParsedAttrInfo. Previously both the function that 
> GenerateCustomAppertainsTo generates and that this file generates would be at 
> file scope, so both were written to OS.
Thanks!


================
Comment at: clang/utils/TableGen/ClangAttrEmitter.cpp:3637
+    SS << "ParsedAttrInfo" << I->first;
+    SS << " parsedAttrInfo" << I->first << "Instance;\n\n";
   }
----------------
john.brawn wrote:
> erichkeane wrote:
> > Should the instance be static? Perhaps a static variable in the class 
> > itself?  
> Making it static makes sense, I'll do that.
static class member is what I'm thinking.  That way it is 
ParsedAttrInfoWHATEVER::Instance?


================
Comment at: clang/utils/TableGen/ClangAttrEmitter.cpp:3641
 
-  OS << "static const ParsedAttrInfo AttrInfoMap[ParsedAttr::UnknownAttribute "
+  OS << "static const ParsedAttrInfo *AttrInfoMap[ParsedAttr::UnknownAttribute 
"
         "+ 1] = {\n";
----------------
john.brawn wrote:
> erichkeane wrote:
> > Is there a good reason this doesn't return references?
> You can't have an array of references (C++11 dcl.ref paragraph 5).
Ah, right... got lost in the code-that-generates-code thing.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D31337/new/

https://reviews.llvm.org/D31337



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