Add a new libclang API to return a CXCompletionString for an arbitrary

cursor, from Connor Wakamo! Addresses <rdar://problem/9087798>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136911 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 26 insertions, 0 deletions

diff --git a/include/clang-c/Index.h b/include/clang-c/Index.h
index e52ed46131..e16a21ef35 100644
--- a/include/clang-c/Index.h
+++ b/include/clang-c/Index.h
@@ -2899,6 +2899,18 @@ CINDEX_LINKAGE enum CXAvailabilityKind
 clang_getCompletionAvailability(CXCompletionString completion_string);
 
 /**
+ * \brief Retrieve a completion string for an arbitrary declaration or macro
+ * definition cursor.
+ *
+ * \param cursor The cursor to query.
+ *
+ * \returns A non-context-sensitive completion string for declaration and macro
+ * definition cursors, or NULL for other kinds of cursors.
+ */
+CINDEX_LINKAGE CXCompletionString
+clang_getCursorCompletionString(CXCursor cursor);
+  
+/**
  * \brief Contains the results of code-completion.
  *
  * This data structure contains the results of code completion, as
diff --git a/include/clang/Frontend/ASTUnit.h b/include/clang/Frontend/ASTUnit.h
index 6a3f9d5d42..4f81de53be 100644
--- a/include/clang/Frontend/ASTUnit.h
+++ b/include/clang/Frontend/ASTUnit.h
@@ -310,10 +310,24 @@ public:
     return CachedCompletionAllocator;
   }
   
+  /// \brief Retrieve the allocator used to cache global code completions.
+  /// Creates the allocator if it doesn't already exist.
+  llvm::IntrusiveRefCntPtr<GlobalCodeCompletionAllocator>
+  getCursorCompletionAllocator() {
+    if (!CursorCompletionAllocator.getPtr()) {
+      CursorCompletionAllocator = new GlobalCodeCompletionAllocator;
+    }
+    return CursorCompletionAllocator;
+  }
+  
 private:
   /// \brief Allocator used to store cached code completions.
   llvm::IntrusiveRefCntPtr<GlobalCodeCompletionAllocator>
     CachedCompletionAllocator;
+  
+  /// \brief Allocator used to store code completions for arbitrary cursors.
+  llvm::IntrusiveRefCntPtr<GlobalCodeCompletionAllocator>
+    CursorCompletionAllocator;
 
   /// \brief The set of cached code-completion results.
   std::vector<CachedCodeCompletionResult> CachedCompletionResults;