[analyzer] SATestBuild.py: Treat '#' as comment in projectMap.csv

[dcoughlin]

Summary

Treat lines in projectMap.csv that start with '#' as comments.

This enables a workflow where projects can be temporarily disabled with a comment describing when they should be turned back on.

cfe/trunk/utils/analyzer/SATestBuild.py

def testProject(ID, ProjectBuildMode, IsReferenceBuild=False, Dir=None, Strictness = 0):
     if IsReferenceBuild == False:
         runCmpResults(Dir, Strictness)
     else:
         cleanupReferenceResults(SBOutputDir)
 
     print "Completed tests for project %s (time: %.2f)." % \
           (ID, (time.time()-TBegin))
 
+def isCommentCSVLine(Entries):
+  # Treat CSV lines starting with a '#' as a comment.
+  return len(Entries) > 0 and Entries[0].startswith("#")
+
 def testAll(IsReferenceBuild = False, UpdateSVN = False, Strictness = 0):
     PMapFile = open(getProjectMapPath(), "rb")
     try:
         # Validate the input.
         for I in csv.reader(PMapFile):
+            if (isCommentCSVLine(I)):
+                continue
             if (len(I) != 2) :
                 print "Error: Rows in the ProjectMapFile should have 3 entries."
                 raise Exception()
             if (not ((I[1] == "0") | (I[1] == "1") | (I[1] == "2"))):
                 print "Error: Second entry in the ProjectMapFile should be 0" \
                       " (single file), 1 (project), or 2(single file c++11)."
                 raise Exception()
 
         # When we are regenerating the reference results, we might need to
         # update svn. Remove reference results from SVN.
         if UpdateSVN == True:
             assert(IsReferenceBuild == True);
             updateSVN("delete",  PMapFile);
 
         # Test the projects.
         PMapFile.seek(0)
         for I in csv.reader(PMapFile):
+            if isCommentCSVLine(I):
+              continue;
             testProject(I[0], int(I[1]), IsReferenceBuild, None, Strictness)
 
         # Add reference results to SVN.
         if UpdateSVN == True:
             updateSVN("add",  PMapFile);
 
     except:
         print "Error occurred. Premature termination."