[PATCH] D138377: add clang_Type_getFullyQualifiedName

[Anders Langlands via Phabricator via cfe-commits]

anderslanglands created this revision.
anderslanglands added a reviewer: aaron.ballman.
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Not sure how to test this - adding it to c-index-test's PrintType will change *everything*, which doesn't seem like a great idea.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D138377

Files:
  clang/docs/ReleaseNotes.rst
  clang/include/clang-c/Index.h
  clang/tools/libclang/CXType.cpp
  clang/tools/libclang/libclang.map


Index: clang/tools/libclang/libclang.map
===================================================================
--- clang/tools/libclang/libclang.map
+++ clang/tools/libclang/libclang.map
@@ -413,6 +413,7 @@
     clang_CXXMethod_isDeleted;
     clang_CXXMethod_isCopyAssignmentOperator;
     clang_CXXMethod_isMoveAssignmentOperator;
+    clang_Type_getFullyQualifiedName;
 };
 
 # Example of how to add a new symbol version entry.  If you do add a new symbol
Index: clang/tools/libclang/CXType.cpp
===================================================================
--- clang/tools/libclang/CXType.cpp
+++ clang/tools/libclang/CXType.cpp
@@ -20,6 +20,7 @@
 #include "clang/AST/DeclTemplate.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/Type.h"
+#include "clang/AST/QualTypeNames.h"
 #include "clang/Basic/AddressSpaces.h"
 #include "clang/Frontend/ASTUnit.h"
 
@@ -309,6 +310,22 @@
   return cxstring::createDup(OS.str());
 }
 
+CXString clang_Type_getFullyQualifiedName(CXType CT) {
+  QualType T = GetQualType(CT);
+  if (T.isNull())
+    return cxstring::createEmpty();
+
+  CXTranslationUnit TU = GetTU(CT);
+  SmallString<64> Str;
+  llvm::raw_svector_ostream OS(Str);
+  PrintingPolicy PP(cxtu::getASTUnit(TU)->getASTContext().getLangOpts());
+
+  std::string qname = clang::TypeName::getFullyQualifiedName(
+      T, cxtu::getASTUnit(TU)->getASTContext(), PP);
+
+  return cxstring::createDup(qname);
+}
+
 CXType clang_getTypedefDeclUnderlyingType(CXCursor C) {
   using namespace cxcursor;
   CXTranslationUnit TU = cxcursor::getCursorTU(C);
Index: clang/include/clang-c/Index.h
===================================================================
--- clang/include/clang-c/Index.h
+++ clang/include/clang-c/Index.h
@@ -2846,6 +2846,13 @@
  */
 CINDEX_LINKAGE CXString clang_getTypeSpelling(CXType CT);
 
+/**
+ * Get the fully qualified name for a type.
+ *
+ * This includes full qualification of all template parameters.
+*/
+CINDEX_LINKAGE CXString clang_Type_getFullyQualifiedName(CXType CT);
+
 /**
  * Retrieve the underlying type of a typedef declaration.
  *
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -810,6 +810,8 @@
   is a replacement for a template type parameter (previously reported a ``CXType_Unexposed``).
 - Introduced the new function ``clang_Type_getReplacementType`` which gets the type replacing
   the template type parameter when type kind is ``CXType_SubstTemplateTypeParm``.
+- Introduced the new function ``clang_Type_getFullyQualifiedName``, which gets the fully
+  qualified name of the given type, including qualification of all template parameters.
 
 Static Analyzer
 ---------------


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