Read/write more information of ASTContext for PCH. Overriden methods and instantiated-from information.

llvm-svn: 107597

2 files changed, 14 insertions, 0 deletions

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 24ddb127bda..4fb9d369de3 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -478,6 +478,16 @@ ASTContext::overridden_methods_end(const CXXMethodDecl *Method) const {
   return Pos->second.end();
 }
 
+unsigned
+ASTContext::overridden_methods_size(const CXXMethodDecl *Method) const {
+  llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos
+    = OverriddenMethods.find(Method);
+  if (Pos == OverriddenMethods.end())
+    return 0;
+
+  return Pos->second.size();
+}
+
 void ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 
                                      const CXXMethodDecl *Overridden) {
   OverriddenMethods[Method].push_back(Overridden);
diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp
index 7ce9c64de03..19c3ac10119 100644
--- a/clang/lib/AST/DeclCXX.cpp
+++ b/clang/lib/AST/DeclCXX.cpp
@@ -716,6 +716,10 @@ CXXMethodDecl::method_iterator CXXMethodDecl::end_overridden_methods() const {
   return getASTContext().overridden_methods_end(this);
 }
 
+unsigned CXXMethodDecl::size_overridden_methods() const {
+  return getASTContext().overridden_methods_size(this);
+}
+
 QualType CXXMethodDecl::getThisType(ASTContext &C) const {
   // C++ 9.3.2p1: The type of this in a member function of a class X is X*.
   // If the member function is declared const, the type of this is const X*,