Adding more generation debug output

[kiibohd-kll.git] / kll.py

diff --git a/kll.py b/kll.py
index 401d22e1f5b0de76b39812d3749a1d8538c4ccc6..37cfd5fc285c8d354491726e983c6b96d2f27cac 100755 (executable)
--- a/kll.py
+++ b/kll.py
@@ -2,7 +2,7 @@
 # KLL Compiler
 # Keyboard Layout Langauge
 #
-# Copyright (C) 2014 by Jacob Alexander
+# Copyright (C) 2014-2015 by Jacob Alexander
 #
 # This file is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -558,11 +558,41 @@ def processKLLFile( filename ):
                        print("Error parsing %s. %s" % (filename, e.msg), file=sys.stderr)
                        sys.exit(1)
 
+
+### Misc Utility Functions ###
+
+def gitRevision( kllPath ):
+       import subprocess
+
+       # Change the path to where kll.py is
+       origPath = os.getcwd()
+       os.chdir( kllPath )
+
+       # Just in case git can't be found
+       try:
+               # Get hash of the latest git commit
+               revision = subprocess.check_output( ['git', 'rev-parse', 'HEAD'] ).decode()[:-1]
+
+               # Get list of files that have changed since the commit
+               changed = subprocess.check_output( ['git', 'diff-index', '--name-only', 'HEAD', '--'] ).decode().splitlines()
+       except:
+               revision = "<no git>"
+               changed = []
+
+       # Change back to the old working directory
+       os.chdir( origPath )
+
+       return revision, changed
+
+
 ### Main Entry Point ###
 
 if __name__ == '__main__':
        (baseFiles, defaultFiles, partialFileSets, backend_name, template, defines_template, output, defines_output) = processCommandLineArgs()
 
+       # Look up git information on the compiler
+       gitRev, gitChanges = gitRevision( os.path.dirname( os.path.realpath( __file__ ) ) )
+
        # Load backend module
        global backend
        backend_import = importlib.import_module( "backends.{0}".format( backend_name ) )
@@ -602,7 +632,13 @@ if __name__ == '__main__':
        macros_map.generate()
 
        # Process needed templating variables using backend
-       backend.process( capabilities_dict, macros_map, variables_dict )
+       backend.process(
+               capabilities_dict,
+               macros_map,
+               variables_dict,
+               gitRev,
+               gitChanges
+       )
 
        # Generate output file using template and backend
        backend.generate( output, defines_output )