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.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@112149 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/CodeCompleteConsumer.cpp b/lib/Sema/CodeCompleteConsumer.cpp
index 4345123..c4e7bb4 100644
--- a/lib/Sema/CodeCompleteConsumer.cpp
+++ b/lib/Sema/CodeCompleteConsumer.cpp
@@ -443,6 +443,8 @@
                                                  CodeCompletionContext Context,
                                                  CodeCompletionResult *Results,
                                                          unsigned NumResults) {
+  std::stable_sort(Results, Results + NumResults);
+  
   // Print the results.
   for (unsigned I = 0; I != NumResults; ++I) {
     OS << "COMPLETION: ";
@@ -660,6 +662,11 @@
   if (cmp)
     return cmp < 0;
   
+  // If case-insensitive comparison fails, try case-sensitive comparison.
+  cmp = XStr.compare(YStr);
+  if (cmp)
+    return cmp < 0;
+
   // Non-hidden names precede hidden names.
   if (X.Hidden != Y.Hidden)
     return !X.Hidden;
@@ -695,7 +702,7 @@
                                                        unsigned NumCandidates) {
   for (unsigned I = 0; I != NumCandidates; ++I) {
     WriteUnsigned(OS, CXCursor_NotImplemented);
-    WriteUnsigned(OS, /*Priority=*/0);
+    WriteUnsigned(OS, /*Priority=*/I);
     WriteUnsigned(OS, /*Availability=*/CXAvailability_Available);
     CodeCompletionString *CCS
       = Candidates[I].CreateSignatureString(CurrentArg, SemaRef);