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#!/usr/bin/env python
#
import sys, cpp, kernel, glob, os, re, getopt
from defaults import *
from utils import *
noUpdate = 1
def cleanupFile( path ):
"""reads an original header and perform the cleanup operation on it
this functions returns the destination path and the clean header
as a single string"""
# check the header path
src_path = path
if not os.path.exists(src_path):
if noUpdate:
panic( "file does not exist: '%s'\n" % path )
sys.stderr.write( "warning: file does not exit: %s\n" % path )
return None, None
if not os.path.isfile(src_path):
if noUpdate:
panic( "path is not a file: '%s'\n" % path )
sys.stderr.write( "warning: not a file: %s\n" % path )
return None, None
original_path = kernel_original_path
if os.path.commonprefix( [ src_path, original_path ] ) != original_path:
if noUpdate:
panic( "file is not in 'original' directory: %s\n" % path );
sys.stderr.write( "warning: file not in 'original' ignored: %s\n" % path )
return None, None
src_path = src_path[len(original_path):]
if len(src_path) > 0 and src_path[0] == '/':
src_path = src_path[1:]
if len(src_path) == 0:
panic( "oops, internal error, can't extract correct relative path" )
# convert into destination path, extracting architecture if needed
# and the corresponding list of known static functions
#
arch = None
re_asm_arch = re.compile( r"asm-([\w\d_\+\.\-]+)(/.*)" )
m = re_asm_arch.match(src_path)
statics = kernel_known_generic_statics
if m and m.group(1) != 'generic':
dst_path = "arch-%s/asm/%s" % m.groups()
arch = m.group(1)
statics = statics.union( kernel_known_statics.get( arch, set() ) )
else:
dst_path = "common/" + src_path
dst_path = os.path.normpath( original_path + "/../" + dst_path )
# now, let's parse the file
#
list = cpp.BlockParser().parseFile(path)
if not list:
sys.stderr.write( "error: can't parse '%s'" % path )
sys.exit(1)
list.optimizeMacros( kernel_known_macros )
list.optimizeIf01()
list.removeVarsAndFuncs( statics )
list.removeComments()
list.removeEmptyLines()
list.insertDisclaimer( kernel.kernel_disclaimer )
out = StringOutput()
list.write(out)
return dst_path, out.get()
if __name__ == "__main__":
def usage():
print """\
usage: %s [options] <header_path>
options:
-v enable verbose mode
-u enabled update mode
this will try to update the corresponding 'clean header'
if the content has changed. with this, you can pass more
than one file on the command-line
<header_path> must be in a subdirectory of 'original'
""" % os.path.basename(sys.argv[0])
sys.exit(1)
try:
optlist, args = getopt.getopt( sys.argv[1:], 'uv' )
except:
# unrecognized option
sys.stderr.write( "error: unrecognized option\n" )
usage()
for opt, arg in optlist:
if opt == '-u':
noUpdate = 0
elif opt == '-v':
verbose = 1
D_setlevel(1)
if len(args) == 0:
usage()
if noUpdate:
for path in args:
dst_path, newdata = cleanupFile(path)
print newdata
sys.exit(0)
# now let's update our files.
b = BatchFileUpdater()
for path in args:
dst_path, newdata = cleanupFile(path)
if not dst_path:
continue
b.readFile( dst_path )
r = b.editFile( dst_path, newdata )
if r == 0:
r = "unchanged"
elif r == 1:
r = "edited"
else:
r = "added"
print "cleaning: %-*s -> %-*s (%s)" % ( 35, path, 35, dst_path, r )
if os.environ.has_key("ANDROID_PRODUCT_OUT"):
b.updateP4Files()
else:
b.updateFiles()
sys.exit(0)
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