ENH: Efficiently filter CTest coverage by label

This teaches CTest to process coverage information only for object files
in targets containing labels of interest.  This change also improves
loading of global coverage information by globbing only in each target
support directory instead of the entire build tree.

1 files changed, 3 insertions, 0 deletions

diff --git a/Source/CTest/cmCTestCoverageHandler.h b/Source/CTest/cmCTestCoverageHandler.h
index 46bcec1..c58b6ab 100644
--- a/Source/CTest/cmCTestCoverageHandler.h
+++ b/Source/CTest/cmCTestCoverageHandler.h
@@ -61,6 +61,7 @@ private:
 
   //! Handle coverage using GCC's GCov
   int HandleGCovCoverage(cmCTestCoverageHandlerContainer* cont);
+  void FindGCovFiles(std::vector<std::string>& files);
 
   //! Handle coverage using Bullseye
   int HandleBullseyeCoverage(cmCTestCoverageHandlerContainer* cont);
@@ -145,6 +146,7 @@ private:
   class LabelSet: public std::set<int> {};
   typedef std::map<cmStdString, LabelSet> LabelMapType;
   LabelMapType SourceLabels;
+  LabelMapType TargetDirs;
 
   // Map from label name to label id.
   typedef std::map<cmStdString, int> LabelIdMapType;
@@ -159,6 +161,7 @@ private:
 
   // Label-based filtering.
   std::set<int> LabelFilter;
+  bool IntersectsFilter(LabelSet const& labels);
   bool IsFilteredOut(std::string const& source);
 };