Tagsgen script rewritten in python

tools/tagsgen/tagsgen_kernel

@@ -1,22 +0,0 @@
-
-rm -f cscope.*
-rm -f tags
-# Put all sources into a file list.
-find ./src -name '*.cc' > tagfilelist
-find ./src -name '*.c' >> tagfilelist
-find ./src -name '*.h' >> tagfilelist
-find ./src -name '*.s' >> tagfilelist
-find ./src -name '*.S' >> tagfilelist
-find ./src -name '*.lds' >> tagfilelist
-
-find ./include -name '*.h' >> tagfilelist
-find ./include -name '*.s' >> tagfilelist
-find ./include -name '*.S' >> tagfilelist
-find ./include -name '*.lds' >> tagfilelist
-
-# Use file list to include in tags.
-ctags --languages=C,Asm --recurse -Ltagfilelist
-
-cscope -q -k -R -i tagfilelist
-# Remove file list.
-rm -f tagfilelist

tools/tagsgen/tagsgen_kernel.py

@@ -0,0 +1,54 @@
+#! /usr/bin/env python2.6
+# -*- mode: python; coding: utf-8; -*-
+
+import os, sys
+
+PROJRELROOT = '../../'
+sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), PROJRELROOT)))
+
+from config.configuration import *
+config = configuration_retrieve()
+
+platform = config.platform
+subarch = config.subarch
+arch = config.arch
+
+def main():
+    os.system("rm -f cscope.*")
+    os.system("rm -f tags")
+
+    # Type of files to be included
+    file_extn = ['*.cc', '*.c', '*.h', '*.s', '*.S', '*.lds']
+
+    # Kernel directories
+    src_dir_path = 'src'
+    include_dir_path = 'include/l4'
+
+    search_folder = \
+        ['api', 'arch/'+ arch, 'arch/'+ arch + '/' + subarch, 'drivers', \
+         'generic', 'glue/' + arch, 'lib', 'platform/' + platform]
+
+    # Put all sources into a file list.
+    for extn in file_extn:
+        for dir in search_folder:
+            # Directory depth to be searched
+            if dir == 'drivers':
+                depth = 5
+            else:
+                depth = 1
+
+            os.system("find " + join(src_dir_path, dir) + \
+                " -maxdepth " + str(depth) + " -name '" + extn + "' >> tagfilelist")
+            os.system("find " + join(include_dir_path, dir) + \
+                " -maxdepth " + str(depth) + " -name '" + extn + "' >> tagfilelist")
+
+    # Use file list to include in tags.
+    os.system("ctags --languages=C,Asm --recurse -Ltagfilelist")
+    os.system("cscope -q -k -R -i tagfilelist")
+
+    # Remove file list.
+    os.system("rm -f tagfilelist")
+
+if __name__ == "__main__":
+    main()
+