add PCH support for a bunch of C++ Decls, patch by

Andrew Sutton!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103301 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 65 insertions, 2 deletions

diff --git a/include/clang/Frontend/PCHBitCodes.h b/include/clang/Frontend/PCHBitCodes.h
index 1640afb412..08efcc296f 100644
--- a/include/clang/Frontend/PCHBitCodes.h
+++ b/include/clang/Frontend/PCHBitCodes.h
@@ -534,8 +534,46 @@ namespace clang {
       /// IDs. This data is used when performing qualified name lookup
       /// into a DeclContext via DeclContext::lookup.
       DECL_CONTEXT_VISIBLE,
-      /// \brief A NamespaceDecl record.
-      DECL_NAMESPACE
+      /// \brief A NamespaceDecl rcord.
+      DECL_NAMESPACE,
+      /// \brief A NamespaceAliasDecl record.
+      DECL_NAMESPACE_ALIAS,
+      /// \brief A UsingDecl record.
+      DECL_USING,
+      /// \brief A UsingShadowDecl record.
+      DECL_USING_SHADOW,
+      /// \brief A UsingDirecitveDecl record.
+      DECL_USING_DIRECTIVE,
+      /// \brief An UnresolvedUsingValueDecl record.
+      DECL_UNRESOLVED_USING_VALUE,
+      /// \brief An UnresolvedUsingTypenameDecl record.
+      DECL_UNRESOLVED_USING_TYPENAME,
+      /// \brief A LinkageSpecDecl record.
+      DECL_LINKAGE_SPEC,
+      /// \brief A CXXRecordDecl record.
+      DECL_CXX_RECORD,
+      /// \brief A CXXMethodDecl record.
+      DECL_CXX_METHOD,
+      /// \brief A CXXConstructorDecl record.
+      DECL_CXX_CONSTRUCTOR,
+      /// \brief A CXXDestructorDecl record.
+      DECL_CXX_DESTRUCTOR,
+      /// \brief A CXXConversionDecl record.
+      DECL_CXX_CONVERSION,
+
+      // FIXME: Implement serialization for these decl types. This just
+      // allocates the order in which
+      DECL_FRIEND,
+      DECL_FRIEND_TEMPLATE,
+      DECL_TEMPLATE,
+      DECL_CLASS_TEMPLATE,
+      DECL_CLASS_TEMPLATE_SPECIALIZATION,
+      DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION,
+      DECL_FUNCTION_TEMPLATE,
+      DECL_TEMPLATE_TYPE_PARM,
+      DECL_NON_TYPE_TEMPLATE_PARM,
+      DECL_TEMPLATE_TEMPLATE_PARM,
+      DECL_STATIC_ASSERT
     };
 
     /// \brief Record codes for each kind of statement or expression.
diff --git a/include/clang/Frontend/PCHReader.h b/include/clang/Frontend/PCHReader.h
index c2352301ca..cac3398b96 100644
--- a/include/clang/Frontend/PCHReader.h
+++ b/include/clang/Frontend/PCHReader.h
@@ -52,6 +52,9 @@ class ASTContext;
 class Attr;
 class Decl;
 class DeclContext;
+class NestedNameSpecifier;
+class CXXBaseSpecifier;
+class CXXBaseOrMemberInitializer;
 class GotoStmt;
 class LabelStmt;
 class MacroDefinition;
@@ -694,8 +697,21 @@ public:
   Selector GetSelector(const RecordData &Record, unsigned &Idx) {
     return DecodeSelector(Record[Idx++]);
   }
+
+  /// \brief Read a declaration name.
   DeclarationName ReadDeclarationName(const RecordData &Record, unsigned &Idx);
 
+  NestedNameSpecifier *ReadNestedNameSpecifier(const RecordData &Record,
+                                               unsigned &Idx);
+
+  /// \brief Read a source location.
+  SourceLocation ReadSourceLocation(const RecordData &Record, unsigned& Idx) {
+    return SourceLocation::getFromRawEncoding(Record[Idx++]);
+  }
+
+  /// \brief Read a source range.
+  SourceRange ReadSourceRange(const RecordData &Record, unsigned& Idx);
+
   /// \brief Read an integral value
   llvm::APInt ReadAPInt(const RecordData &Record, unsigned &Idx);
 
diff --git a/include/clang/Frontend/PCHWriter.h b/include/clang/Frontend/PCHWriter.h
index e006de524c..24025c9feb 100644
--- a/include/clang/Frontend/PCHWriter.h
+++ b/include/clang/Frontend/PCHWriter.h
@@ -32,6 +32,9 @@ namespace llvm {
 namespace clang {
 
 class ASTContext;
+class NestedNameSpecifier;
+class CXXBaseSpecifier;
+class CXXBaseOrMemberInitializer;
 class LabelStmt;
 class MacroDefinition;
 class MemorizeStatCalls;
@@ -251,6 +254,9 @@ public:
   /// \brief Emit a source location.
   void AddSourceLocation(SourceLocation Loc, RecordData &Record);
 
+  /// \brief Emit a source range.
+  void AddSourceRange(SourceRange Range, RecordData &Record);
+
   /// \brief Emit an integral value.
   void AddAPInt(const llvm::APInt &Value, RecordData &Record);
 
@@ -304,6 +310,9 @@ public:
   /// \brief Emit a declaration name.
   void AddDeclarationName(DeclarationName Name, RecordData &Record);
 
+  /// \brief Emit a nested name specifier.
+  void AddNestedNameSpecifier(NestedNameSpecifier *NNS, RecordData &Record);
+
   /// \brief Add a string to the given record.
   void AddString(const std::string &Str, RecordData &Record);