Generalize printing of nested-name-specifier sequences for use in both
QualifiedNameType and QualifiedDeclRefExpr. We now keep track of the
exact nested-name-specifier spelling for a QualifiedDeclRefExpr, and
use that spelling when printing ASTs. This fixes PR3493.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67283 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/NestedNameSpecifier.cpp b/lib/AST/NestedNameSpecifier.cpp
index 318c05f..ea4b506 100644
--- a/lib/AST/NestedNameSpecifier.cpp
+++ b/lib/AST/NestedNameSpecifier.cpp
@@ -15,6 +15,8 @@
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/Type.h"
+#include "llvm/Support/raw_ostream.h"
+
using namespace clang;
DeclContext *
@@ -32,3 +34,28 @@
assert(TagT && "No DeclContext from a non-tag type");
return TagT->getDecl();
}
+
+void NestedNameSpecifier::Print(llvm::raw_ostream &OS,
+ const NestedNameSpecifier *First,
+ const NestedNameSpecifier *Last) {
+ for (; First != Last; ++First) {
+ if (Type *T = First->getAsType()) {
+ std::string TypeStr;
+
+ // If this is a qualified name type, suppress the qualification:
+ // it's part of our nested-name-specifier sequence anyway.
+ if (const QualifiedNameType *QualT = dyn_cast<QualifiedNameType>(T))
+ T = QualT->getNamedType().getTypePtr();
+
+ if (const TagType *TagT = dyn_cast<TagType>(T))
+ TagT->getAsStringInternal(TypeStr, true);
+ else
+ T->getAsStringInternal(TypeStr);
+ OS << TypeStr;
+ } else if (NamedDecl *NamedDC
+ = dyn_cast_or_null<NamedDecl>(First->getAsDeclContext()))
+ OS << NamedDC->getNameAsString();
+
+ OS << "::";
+ }
+}