From aaba027717a81d49c73739665d0305f04475e2ce Mon Sep 17 00:00:00 2001
From: Steve Naroff <snaroff@apple.com>
Date: Wed, 31 Oct 2007 20:55:39 +0000
Subject: [PATCH] Implement ObjC built-in types in MinimalAction.

This fixes the recent regression with selector-1.m and -parse-noop.

llvm-svn: 43575
---
 clang/Driver/PrintParserCallbacks.cpp |  7 +++++--
 clang/Driver/clang.cpp                |  5 +++--
 clang/Driver/clang.h                  |  3 ++-
 clang/Parse/MinimalAction.cpp         | 14 +++++++++++++-
 clang/include/clang/Parse/Action.h    |  3 +++
 5 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/clang/Driver/PrintParserCallbacks.cpp b/clang/Driver/PrintParserCallbacks.cpp
index d7deb43f87ac..9568b872114e 100644
--- a/clang/Driver/PrintParserCallbacks.cpp
+++ b/clang/Driver/PrintParserCallbacks.cpp
@@ -21,6 +21,9 @@ using namespace clang;
 namespace {
   class ParserPrintActions : public MinimalAction {
     
+  public:
+    ParserPrintActions(IdentifierTable &IT) : MinimalAction(IT) {}
+    
     /// ActOnDeclarator - This callback is invoked when a declarator is parsed
     /// and 'Init' specifies the initializer if any.  This is for things like:
     /// "int X = 4" or "typedef int foo".
@@ -49,6 +52,6 @@ namespace {
   };
 }
 
-MinimalAction *clang::CreatePrintParserActionsAction() {
-  return new ParserPrintActions();
+MinimalAction *clang::CreatePrintParserActionsAction(IdentifierTable &IT) {
+  return new ParserPrintActions(IT);
 }
diff --git a/clang/Driver/clang.cpp b/clang/Driver/clang.cpp
index 6e0ed914e2b9..77779f7e80e7 100644
--- a/clang/Driver/clang.cpp
+++ b/clang/Driver/clang.cpp
@@ -763,12 +763,13 @@ static void ProcessInputFile(Preprocessor &PP, unsigned MainFileID,
     break;
     
   case ParseNoop:                    // -parse-noop
-    ParseFile(PP, new MinimalAction(), MainFileID);
+    ParseFile(PP, new MinimalAction(PP.getIdentifierTable()), MainFileID);
     ClearSourceMgr = true;
     break;
     
   case ParsePrintCallbacks:
-    ParseFile(PP, CreatePrintParserActionsAction(), MainFileID);
+    ParseFile(PP, CreatePrintParserActionsAction(PP.getIdentifierTable()), 
+              MainFileID);
     ClearSourceMgr = true;
     break;
       
diff --git a/clang/Driver/clang.h b/clang/Driver/clang.h
index bf212866ec8d..fd11590854e6 100644
--- a/clang/Driver/clang.h
+++ b/clang/Driver/clang.h
@@ -21,6 +21,7 @@ class MinimalAction;
 class TargetInfo;
 class Diagnostic;
 class ASTConsumer;
+class IdentifierTable;
 
 /// DoPrintPreprocessedInput - Implement -E mode.
 void DoPrintPreprocessedInput(unsigned MainFileID, Preprocessor &PP,
@@ -28,7 +29,7 @@ void DoPrintPreprocessedInput(unsigned MainFileID, Preprocessor &PP,
 
 /// CreatePrintParserActionsAction - Return the actions implementation that
 /// implements the -parse-print-callbacks option.
-MinimalAction *CreatePrintParserActionsAction();
+MinimalAction *CreatePrintParserActionsAction(IdentifierTable &);
 
 /// CreateTargetInfo - Return the set of target info objects as specified by
 /// the -arch command line option.
diff --git a/clang/Parse/MinimalAction.cpp b/clang/Parse/MinimalAction.cpp
index bc7c41bec398..92d997f59cf5 100644
--- a/clang/Parse/MinimalAction.cpp
+++ b/clang/Parse/MinimalAction.cpp
@@ -30,7 +30,19 @@ struct TypeNameInfo {
 
 void MinimalAction:: ActOnTranslationUnitScope(SourceLocation Loc, Scope *S) {
   TUScope = S;
-  // FIXME: add id/SEL/Class. We need to get our paws on the identifier table.
+  IdentifierInfo *II;
+  TypeNameInfo *TI;
+  
+  // recognize the ObjC built-in type identifiers.
+  II = &Idents.get("id");
+  TI = new TypeNameInfo(1, II->getFETokenInfo<TypeNameInfo>());
+  II->setFETokenInfo(TI);
+  II = &Idents.get("SEL");
+  TI = new TypeNameInfo(1, II->getFETokenInfo<TypeNameInfo>());
+  II->setFETokenInfo(TI);
+  II = &Idents.get("Class");
+  TI = new TypeNameInfo(1, II->getFETokenInfo<TypeNameInfo>());
+  II->setFETokenInfo(TI);
 }
 
 /// isTypeName - This looks at the IdentifierInfo::FETokenInfo field to
diff --git a/clang/include/clang/Parse/Action.h b/clang/include/clang/Parse/Action.h
index 43290f2add98..32025eaa01ee 100644
--- a/clang/include/clang/Parse/Action.h
+++ b/clang/include/clang/Parse/Action.h
@@ -632,7 +632,10 @@ class MinimalAction : public Action {
   /// to lookup file scope declarations in the "ordinary" C decl namespace.
   /// For example, user-defined classes, built-in "id" type, etc.
   Scope *TUScope;
+  IdentifierTable &Idents;
 public:
+  MinimalAction(IdentifierTable &IT) : Idents(IT) {}
+  
   /// isTypeName - This looks at the IdentifierInfo::FETokenInfo field to
   /// determine whether the name is a typedef or not in this scope.
   virtual DeclTy *isTypeName(const IdentifierInfo &II, Scope *S) const;