[Static Analyzer] Made it easier to test new checkers using the test …

…suite.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@245637 91177308-0d34-0410-b5e6-96231b3b80d8

utils/analyzer/SATestBuild.py

@@ -36,6 +36,10 @@
 For more logging, set the  env variables:
    zaks:TI zaks$ export CCC_ANALYZER_LOG=1
    zaks:TI zaks$ export CCC_ANALYZER_VERBOSE=1
+   
+The list of checkers tested are hardcoded in the Checkers variable.
+For testing additional checkers, use the SA_ADDITIONAL_CHECKERS environment
+variable. It should contain a comma separated list.
 """
 import CmpRuns
 
@@ -593,4 +597,7 @@ def testAll(IsReferenceBuild = False, UpdateSVN = False, Strictness = 0):
         IsReference = True
         UpdateSVN = True
 
+    if os.environ.has_key('SA_ADDITIONAL_CHECKERS'):
+        Checkers = Checkers + ',' + os.environ['SA_ADDITIONAL_CHECKERS']
+
     testAll(IsReference, UpdateSVN, Strictness)