CTest: filter /showIncludes output from ninja compile launcher

Teach "ctest --launch" a new "--filter-prefix" option.  Set it using
the CMAKE_CL_SHOWINCLUDES_PREFIX value with the Ninja generator.

2 files changed, 19 insertions, 1 deletions

diff --git a/Source/CTest/cmCTestLaunch.cxx b/Source/CTest/cmCTestLaunch.cxx
index 9831d02..8e5fd78 100644
--- a/Source/CTest/cmCTestLaunch.cxx
+++ b/Source/CTest/cmCTestLaunch.cxx
@@ -64,7 +64,8 @@ bool cmCTestLaunch::ParseArguments(int argc, const char* const* argv)
                DoingTargetName,
                DoingTargetType,
                DoingBuildDir,
-               DoingCount };
+               DoingCount,
+               DoingFilterPrefix };
   Doing doing = DoingNone;
   int arg0 = 0;
   for(int i=1; !arg0 && i < argc; ++i)
@@ -98,6 +99,10 @@ bool cmCTestLaunch::ParseArguments(int argc, const char* const* argv)
       {
       doing = DoingBuildDir;
       }
+    else if(strcmp(arg, "--filter-prefix") == 0)
+      {
+      doing = DoingFilterPrefix;
+      }
     else if(doing == DoingOutput)
       {
       this->OptionOutput = arg;
@@ -132,6 +137,11 @@ bool cmCTestLaunch::ParseArguments(int argc, const char* const* argv)
       this->OptionBuildDir = arg;
       doing = DoingNone;
       }
+    else if(doing == DoingFilterPrefix)
+      {
+      this->OptionFilterPrefix = arg;
+      doing = DoingNone;
+      }
     }
 
   // Extract the real command line.
@@ -573,8 +583,15 @@ void cmCTestLaunch::DumpFileToXML(std::ostream& fxml,
 
   std::string line;
   const char* sep = "";
+
   while(cmSystemTools::GetLineFromStream(fin, line))
     {
+    if(OptionFilterPrefix.size() && cmSystemTools::StringStartsWith(
+      line.c_str(), OptionFilterPrefix.c_str()))
+      {
+      continue;
+      }
+
     fxml << sep << cmXMLSafe(line).Quotes(false);
     sep = "\n";
     }
diff --git a/Source/CTest/cmCTestLaunch.h b/Source/CTest/cmCTestLaunch.h
index 7457e83..a86a9df 100644
--- a/Source/CTest/cmCTestLaunch.h
+++ b/Source/CTest/cmCTestLaunch.h
@@ -45,6 +45,7 @@ private:
   std::string OptionTargetName;
   std::string OptionTargetType;
   std::string OptionBuildDir;
+  std::string OptionFilterPrefix;
   bool ParseArguments(int argc, const char* const* argv);
 
   // The real command line appearing after launcher arguments.