More header elimination. The goal of all this is to allow Parser to

#include Sema.h while keeping all the AST declarations opaque.  That may
not be reasonably attainable, though.

llvm-svn: 111907

clang/include/clang/Sema/Sema.h

@@ -18,11 +18,9 @@
 #include "clang/Sema/Action.h"
 #include "clang/Sema/IdentifierResolver.h"
 #include "clang/Sema/CodeCompleteConsumer.h"
-#include "clang/Sema/CXXFieldCollector.h"
 #include "clang/Sema/ObjCMethodList.h"
 #include "clang/Sema/Overload.h"
 #include "clang/Sema/AnalysisBasedWarnings.h"
-#include "clang/Sema/Scope.h"
 #include "clang/Sema/SemaDiagnostic.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/DenseSet.h"
@@ -106,6 +104,7 @@ namespace clang {
   class VisibleDeclConsumer;
   class TargetAttributesSema;
   class ADLResult;
+  class CXXFieldCollector;
 
 /// \brief Retains information about a function, method, or block that is
 /// currently being parsed.
@@ -1105,16 +1104,7 @@ public:
 
   /// Finds the scope corresponding to the given decl context, if it
   /// happens to be an enclosing scope.  Otherwise return NULL.
-  Scope *getScopeForDeclContext(Scope *S, DeclContext *DC) {
-    DeclContext *TargetDC = DC->getPrimaryContext();
-    do {
-      if (DeclContext *ScopeDC = (DeclContext*) S->getEntity())
-        if (ScopeDC->getPrimaryContext() == TargetDC)
-          return S;
-    } while ((S = S->getParent()));
-
-    return NULL;
-  }
+  static Scope *getScopeForDeclContext(Scope *S, DeclContext *DC);
 
   /// Subroutines of ActOnDeclarator().
   TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T,

clang/lib/Sema/Sema.cpp

@@ -17,7 +17,9 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/APFloat.h"
+#include "clang/Sema/CXXFieldCollector.h"
 #include "clang/Sema/ExternalSemaSource.h"
+#include "clang/Sema/Scope.h"
 #include "clang/Sema/SemaConsumer.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/ASTDiagnostic.h"

clang/lib/Sema/SemaCodeComplete.cpp

@@ -14,6 +14,7 @@
 #include "clang/Sema/Lookup.h"
 #include "clang/Sema/CodeCompleteConsumer.h"
 #include "clang/Sema/ExternalSemaSource.h"
+#include "clang/Sema/Scope.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/ExprCXX.h"
 #include "clang/AST/ExprObjC.h"

clang/lib/Sema/SemaDecl.cpp

@@ -14,6 +14,8 @@
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/Initialization.h"
 #include "clang/Sema/Lookup.h"
+#include "clang/Sema/CXXFieldCollector.h"
+#include "clang/Sema/Scope.h"
 #include "clang/AST/APValue.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/ASTContext.h"
@@ -479,6 +481,17 @@ bool Sema::isDeclInScope(NamedDecl *&D, DeclContext *Ctx, Scope *S) {
   return IdResolver.isDeclInScope(D, Ctx, Context, S);
 }
 
+Scope *Sema::getScopeForDeclContext(Scope *S, DeclContext *DC) {
+  DeclContext *TargetDC = DC->getPrimaryContext();
+  do {
+    if (DeclContext *ScopeDC = (DeclContext*) S->getEntity())
+      if (ScopeDC->getPrimaryContext() == TargetDC)
+        return S;
+  } while ((S = S->getParent()));
+
+  return 0;
+}
+
 static bool isOutOfScopePreviousDeclaration(NamedDecl *,
                                             DeclContext*,
                                             ASTContext&);

clang/lib/Sema/SemaDeclCXX.cpp

@@ -12,6 +12,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Sema/Sema.h"
+#include "clang/Sema/CXXFieldCollector.h"
+#include "clang/Sema/Scope.h"
 #include "clang/Sema/Initialization.h"
 #include "clang/Sema/Lookup.h"
 #include "clang/AST/ASTConsumer.h"

clang/lib/Sema/SemaDeclObjC.cpp

@@ -14,6 +14,7 @@
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/Lookup.h"
 #include "clang/Sema/ExternalSemaSource.h"
+#include "clang/Sema/Scope.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/DeclObjC.h"

clang/lib/Sema/SemaExprCXX.cpp

@@ -1295,7 +1295,7 @@ void Sema::DeclareGlobalAllocationFunction(DeclarationName Name,
   // FIXME: Also add this declaration to the IdentifierResolver, but
   // make sure it is at the end of the chain to coincide with the
   // global scope.
-  ((DeclContext *)TUScope->getEntity())->addDecl(Alloc);
+  Context.getTranslationUnitDecl()->addDecl(Alloc);
 }
 
 bool Sema::FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD,

clang/lib/Sema/SemaExprObjC.cpp

@@ -13,6 +13,7 @@
 
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/Lookup.h"
+#include "clang/Sema/Scope.h"
 #include "clang/Sema/Initialization.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/DeclObjC.h"

clang/lib/Sema/SemaLookup.cpp

@@ -14,6 +14,7 @@
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/Lookup.h"
 #include "clang/Sema/DeclSpec.h"
+#include "clang/Sema/Scope.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/CXXInheritance.h"
 #include "clang/AST/Decl.h"

clang/lib/Sema/SemaStmt.cpp

@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Sema/Sema.h"
+#include "clang/Sema/Scope.h"
 #include "clang/Sema/Initialization.h"
 #include "clang/AST/APValue.h"
 #include "clang/AST/ASTContext.h"

clang/lib/Sema/SemaTemplate.cpp

@@ -11,6 +11,7 @@
 
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/Lookup.h"
+#include "clang/Sema/Scope.h"
 #include "clang/Sema/Template.h"
 #include "TreeTransform.h"
 #include "clang/AST/ASTContext.h"

clang/lib/Serialization/ASTReader.cpp

@@ -17,6 +17,7 @@
 #include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Frontend/Utils.h"
 #include "clang/Sema/Sema.h"
+#include "clang/Sema/Scope.h"
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/Expr.h"