From 1e5e6684b0f27701e6f7c65f8c6a32a10cbcc3ed Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Thu, 26 Aug 2010 13:48:20 +0000
Subject: Move the sorting of code-completion results out of the main path and
 into the clients, e.g., the printing code-completion consumer and
 c-index-test. Clients may want to re-sort the results anyway.

Provide a libclang function that sorts the results.

3rd try. How embarrassing.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112180 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/libclang/CIndexCodeCompletion.cpp | 35 +++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'tools/libclang/CIndexCodeCompletion.cpp')

diff --git a/tools/libclang/CIndexCodeCompletion.cpp b/tools/libclang/CIndexCodeCompletion.cpp
index 026d0be4ba..825031bd4b 100644
--- a/tools/libclang/CIndexCodeCompletion.cpp
+++ b/tools/libclang/CIndexCodeCompletion.cpp
@@ -582,6 +582,8 @@ namespace {
         AllocatedResults.Results[I].CompletionString = StoredCompletion;
       }
     }
+    
+    // FIXME: Add ProcessOverloadCandidates?
   };
 }
 
@@ -784,3 +786,36 @@ clang_codeCompleteGetDiagnostic(CXCodeCompleteResults *ResultsIn,
 
 
 } // end extern "C"
+
+namespace {
+  struct OrderCompletionResults {
+    bool operator()(const CXCompletionResult &XR, 
+                    const CXCompletionResult &YR) const {
+      CXStoredCodeCompletionString *X
+        = (CXStoredCodeCompletionString *)XR.CompletionString;
+      CXStoredCodeCompletionString *Y
+        = (CXStoredCodeCompletionString *)YR.CompletionString;
+      
+      const char *XText = X->getTypedText();
+      const char *YText = Y->getTypedText();
+      if (!XText || !YText)
+        return XText != 0;
+      
+      int result = llvm::StringRef(XText).compare_lower(YText);
+      if (result < 0)
+        return true;
+      if (result > 0)
+        return false;
+      
+      result = llvm::StringRef(XText).compare(YText);
+      return result;
+    }
+  };
+}
+
+extern "C" {
+  void clang_sortCodeCompletionResults(CXCompletionResult *Results,
+                                       unsigned NumResults) {
+    std::stable_sort(Results, Results + NumResults, OrderCompletionResults());
+  }
+}
\ No newline at end of file
-- 
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