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.

Modules/CTestUseLaunchers.cmake

@@ -46,9 +46,31 @@ if(NOT "${CMAKE_GENERATOR}" MATCHES "Make|Ninja")
 endif()
 
 if(CTEST_USE_LAUNCHERS)
-  set(CTEST_LAUNCH_COMPILE "\"${CMAKE_CTEST_COMMAND}\" --launch --target-name <TARGET_NAME> --build-dir <CMAKE_CURRENT_BINARY_DIR> --output <OBJECT> --source <SOURCE> --language <LANGUAGE> --")
+  set(__launch_common_options
-  set(CTEST_LAUNCH_LINK    "\"${CMAKE_CTEST_COMMAND}\" --launch --target-name <TARGET_NAME> --build-dir <CMAKE_CURRENT_BINARY_DIR> --output <TARGET> --target-type <TARGET_TYPE> --language <LANGUAGE> --")
+    "--target-name <TARGET_NAME> --build-dir <CMAKE_CURRENT_BINARY_DIR>")
-  set(CTEST_LAUNCH_CUSTOM  "\"${CMAKE_CTEST_COMMAND}\" --launch --target-name <TARGET_NAME> --build-dir <CMAKE_CURRENT_BINARY_DIR> --output <OUTPUT> --")
+
+  set(__launch_compile_options
+    "${__launch_common_options} --output <OBJECT> --source <SOURCE> --language <LANGUAGE>")
+
+  set(__launch_link_options
+    "${__launch_common_options} --output <TARGET> --target-type <TARGET_TYPE> --language <LANGUAGE>")
+
+  set(__launch_custom_options
+    "${__launch_common_options} --output <OUTPUT>")
+
+  if("${CMAKE_GENERATOR}" MATCHES "Ninja")
+    set(__launch_compile_options "${__launch_compile_options} --filter-prefix <CMAKE_CL_SHOWINCLUDES_PREFIX>")
+  endif()
+
+  set(CTEST_LAUNCH_COMPILE
+    "\"${CMAKE_CTEST_COMMAND}\" --launch ${__launch_compile_options} --")
+
+  set(CTEST_LAUNCH_LINK
+    "\"${CMAKE_CTEST_COMMAND}\" --launch ${__launch_link_options} --")
+
+  set(CTEST_LAUNCH_CUSTOM
+    "\"${CMAKE_CTEST_COMMAND}\" --launch ${__launch_custom_options} --")
+
   set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CTEST_LAUNCH_COMPILE}")
   set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CTEST_LAUNCH_LINK}")
   set_property(GLOBAL PROPERTY RULE_LAUNCH_CUSTOM "${CTEST_LAUNCH_CUSTOM}")

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";
     }

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.

Source/cmLocalGenerator.cxx

@@ -807,6 +807,7 @@ static const char* ruleReplaceVars[] =
   "CMAKE_CURRENT_BINARY_DIR",
   "CMAKE_RANLIB",
   "CMAKE_LINKER",
+  "CMAKE_CL_SHOWINCLUDES_PREFIX",
   0
 };
 

Source/cmLocalGenerator.h

@@ -266,6 +266,7 @@ public:
     const char* Defines;
     const char* RuleLauncher;
     const char* DependencyFile;
+    const char* FilterPrefix;
   };
 
   /** Set whether to treat conversions to SHELL as a link script shell.  */