[PATCH] D67825: [AST] Extract Decl::printNestedNameSpecifier helper from Decl::printQualifiedName

[Ilya Biryukov via Phabricator via cfe-commits]

ilya-biryukov updated this revision to Diff 221002.
ilya-biryukov marked 4 inline comments as done.
ilya-biryukov added a comment.

- Update comments
- Rename new function to printNestedNameSpecifier


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D67825/new/

https://reviews.llvm.org/D67825

Files:
  clang/include/clang/AST/Decl.h
  clang/lib/AST/Decl.cpp


Index: clang/lib/AST/Decl.cpp
===================================================================
--- clang/lib/AST/Decl.cpp
+++ clang/lib/AST/Decl.cpp
@@ -1558,6 +1558,19 @@
 
 void NamedDecl::printQualifiedName(raw_ostream &OS,
                                    const PrintingPolicy &P) const {
+  printNestedNameSpecifier(OS, P);
+  if (getDeclName() || isa<DecompositionDecl>(this))
+    OS << *this;
+  else
+    OS << "(anonymous)";
+}
+
+void NamedDecl::printNestedNameSpecifier(raw_ostream &OS) const {
+  printNestedNameSpecifier(OS, getASTContext().getPrintingPolicy());
+}
+
+void NamedDecl::printNestedNameSpecifier(raw_ostream &OS,
+                                         const PrintingPolicy &P) const {
   const DeclContext *Ctx = getDeclContext();
 
   // For ObjC methods and properties, look through categories and use the
@@ -1571,10 +1584,8 @@
         Ctx = ID;
   }
 
-  if (Ctx->isFunctionOrMethod()) {
-    printName(OS);
+  if (Ctx->isFunctionOrMethod())
     return;
-  }
 
   using ContextsTy = SmallVector<const DeclContext *, 8>;
   ContextsTy Contexts;
@@ -1644,11 +1655,6 @@
     }
     OS << "::";
   }
-
-  if (getDeclName() || isa<DecompositionDecl>(this))
-    OS << *this;
-  else
-    OS << "(anonymous)";
 }
 
 void NamedDecl::getNameForDiagnostic(raw_ostream &OS,
Index: clang/include/clang/AST/Decl.h
===================================================================
--- clang/include/clang/AST/Decl.h
+++ clang/include/clang/AST/Decl.h
@@ -310,6 +310,14 @@
   void printQualifiedName(raw_ostream &OS) const;
   void printQualifiedName(raw_ostream &OS, const PrintingPolicy &Policy) const;
 
+  /// Print only the nested name specifier part of a fully-qualified name,
+  /// including the '::' at the end. E.g.
+  ///    when `printQualifiedName(D)` prints "A::B::i",
+  ///    this function prints "A::B::".
+  void printNestedNameSpecifier(raw_ostream &OS) const;
+  void printNestedNameSpecifier(raw_ostream &OS,
+                                const PrintingPolicy &Policy) const;
+
   // FIXME: Remove string version.
   std::string getQualifiedNameAsString() const;
 


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