sanitize.py: Fix line-endings (dos->unix).

1 files changed, 369 insertions, 369 deletions

diff --git a/contrib/sanitize.py b/contrib/sanitize.py
index 6327653053..3d329730b1 100644
--- a/contrib/sanitize.py
+++ b/contrib/sanitize.py
@@ -1,369 +1,369 @@
-#!/usr/bin/env python

-

-# sanitize a bitbake file following the OpenEmbedded style guidelines 

-# see http://openembedded.org/wiki/StyleGuide 

-# (C) 2006 Cyril Romain <cyril.romain@gmail.com>

-# MIT license

-

-# TODO: 

-#   -  add the others OpenEmbedded variables commonly used

-#   ./ handle comments in .bb files

-#   -  parse command arguments and print usage on misuse

-#       . prevent giving more than one .bb file in arguments

-#   -  write result to a file

-#   -  backup the original .bb file

-#   -  make a diff and ask confirmation for patching ?

-#   -  /!\ startswith('SOMETHING') is not taken into account due to the previous startswith('S').

-#   -  count rule breaks and displays them in the order frequence

-

-from odict import OrderedDict

-import fileinput

-import string

-import re

-

-__author__ = "Cyril Romain <cyril.romain@gmail.com>"

-__version__ = "$Revision: 0.3 $"

-

-# The ordered list of OpenEmbedded variables

-OE_vars = OrderedDict([

-    ('DESCRIPTION', []),

-    ('AUTHOR', []),

-    ('HOMEPAGE', []),

-    ('SECTION', []),

-    ('PRIORITY', []),

-    ('MAINTAINER', []),

-    ('LICENSE', []),

-    ('DEPENDS', []),

-    ('RDEPENDS', []),

-    ('RRECOMMENDS', []),

-    ('RSUGGESTS', []),

-    ('PROVIDES', []),

-    ('RPROVIDES', []),

-    ('RCONFLICTS', []),

-    ('SRCDATE', []),

-    ('PV', []),

-    ('PR', []),

-    ('SRC_URI', []),

-    ('S', []),

-    ('inherit', []),

-    ('EXTRA_', []),

-    ('do_fetch', []),

-    ('do_unpack', []),

-    ('do_patch', []),

-    ('do_configure', []),

-    ('do_compile', []),

-    ('do_install', []),

-    ('do_package', []),

-    ('do_stage', []),

-    ('PACKAGE_ARCH', []),

-    ('PACKAGES', []),

-    ('FILES', []),

-    ('WORKDIR', []),

-    ('acpaths', []),

-    ('addhandler', []),

-    ('addtask', []),

-    ('bindir', []),

-    ('export', []),

-    ('headers', []),

-    ('include', []),

-    ('includedir', []),

-    ('python', []),

-    ('qtopiadir', []),

-    ('pkg_postins', []),

-    ('pkg_postrm', []),

-    ('require', []),

-    ('sbindir', []),

-    ('basesysconfdir', []),

-    ('sysconfdir', []),

-    ('ALLOW_EMPTY', []),

-    ('ALTERNATIVE_LINK', []),

-    ('ALTERNATIVE_NAME', []),

-    ('ALTERNATIVE_PATH', []),

-    ('ALTERNATIVE_PRIORITY', []),

-    ('ALTNAME', []),

-    ('AMD_DRIVER_LABEL', []),

-    ('AMD_DRIVER_VERSION', []),

-    ('ANGSTROM_EXTRA_INSTALL', []),

-    ('APPDESKTOP', []),

-    ('APPIMAGE', []),

-    ('APPNAME', []),

-    ('APPTYPE', []),

-    ('APPWEB_BUILD', []),

-    ('APPWEB_HOST', []),

-    ('AR', []),

-    ('ARCH', []),

-    ('ARM_INSTRUCTION_SET', []),

-    ('ARM_MUTEX', []),

-    ('ART_CONFIG', []),

-    ('B', []),

-    ('BJAM_OPTS', []),

-    ('BJAM_TOOLS', []),

-    ('BONOBO_HEADERS', []),

-    ('BOOTSCRIPTS', []),

-    ('BROKEN', []),

-    ('BUILD_ALL_DEPS', []),

-    ('BUILD_CPPFLAGS', []),

-    ('CFLAGS', []),

-    ('CCFLAGS', []),

-    ('CMDLINE', []),

-    ('COLLIE_MEMORY_SIZE', []),

-    ('COMPATIBLE_HOST', []),

-    ('COMPATIBLE_MACHINE', []),

-    ('COMPILE_HERMES', []),

-    ('CONFFILES', []),

-    ('CONFLICTS', []),

-    ('CORE_EXTRA_D', []),

-    ('CORE_PACKAGES_D', []),

-    ('CORE_PACKAGES_RD', []),

-    ('CPPFLAGS', []),

-    ('CVSDATE', []),

-    ('CXXFLAGS', []),

-    ('DEBIAN_NOAUTONAME', []),

-    ('DEBUG_APPS', []),

-    ('DEFAULT_PREFERENCE', []),

-    ('DB4_CONFIG', []),

-    ('EXCLUDE_FROM_SHLIBS', []),

-    ('EXCLUDE_FROM_WORLD', []),

-    ('FIXEDSRCDATE', []),

-    ('GLIBC_ADDONS', []),

-    ('GLIBC_EXTRA_OECONF', []),

-    ('GNOME_VFS_HEADERS', []),

-    ('GPE_TARBALL_SUFFIX', []),

-    ('HEADERS', []),

-    ('INHIBIT_DEFAULT_DEPS', []),

-    ('INITSCRIPT_NAME', []),

-    ('INITSCRIPT_PACKAGES', []),

-    ('INITSCRIPT_PARAMS', []),

-    ('IPKG_INSTALL', []),

-    ('KERNEL_IMAGETYPE', []),

-    ('KERNEL_IMAGEDEST', []),

-    ('KERNEL_OUTPUT', []),

-    ('KERNEL_RELEASE', []),

-    ('KERNEL_PRIORITY', []),

-    ('KERNEL_SOURCE', []),

-    ('KERNEL_SUFFIX', []),

-    ('KERNEL_VERSION', []),

-    ('K_MAJOR', []),

-    ('K_MICRO', []),

-    ('K_MINOR', []),

-    ('HHV', []),

-    ('KV', []),

-    ('LDFLAGS', []),

-    ('LD', []),

-    ('LD_SO', []),

-    ('LDLIBS', []),

-    ('LEAD_SONAME', []),

-    ('LIBTOOL', []),

-    ('LIBBDB_EXTRA', []),

-    ('LIBV', []),

-    ('MACHINE', []),

-    ('MACHINE_ESSENTIAL_EXTRA_RDEPENDS', []),

-    ('MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS', []),

-    ('MACHINE_EXTRA_RDEPENDS', []),

-    ('MACHINE_EXTRA_RRECOMMENDS', []),

-    ('MACHINE_FEATURES', []),

-    ('MACHINE_TASKS', []),

-    ('MACHTYPE', []),

-    ('MAKE_TARGETS', []),

-    ('MESSAGEUSER', []),

-    ('MESSAGEHOME', []),

-    ('MIRRORS', []),

-    ('MUTEX', []),

-    ('OE_QMAKE_INCDIR_QT', []),

-    ('OE_QMAKE_CXXFLAGS', []),

-    ('ORBIT_IDL_SRC', []),

-    ('PARALLEL_MAKE', []),

-    ('PAKCAGE_ARCH', []),

-    ('PCMCIA_MANAGER', []),

-    ('PKG_BASENAME', []),

-    ('QEMU', []),

-    ('QMAKE_PROFILES', []),

-    ('QPEDIR', []),

-    ('QPF_DESCRIPTION', []),

-    ('QPF_PKGPATTERN', []),

-    ('QT_CONFIG_FLAGS', []),

-    ('QT_LIBRARY', []),

-    ('ROOTFS_POSTPROCESS_COMMAND', []),

-    ('RREPLACES', []),

-    ('TARGET_CFLAGS', []),

-    ('TARGET_CPPFLAGS', []),

-    ('TARGET_LDFLAGS', []),

-    ('UBOOT_MACHINE', []),

-    ('UCLIBC_BASE', []),

-    ('UCLIBC_PATCHES', []),

-    ('UNSLUNG_PACKAGES', []),

-    ('VIRTUAL_NAME', []),

-    ('XORG_PN', []),

-    ('XSERVER', []),

-    ('others', [])

-])

-

-varRegexp = r'^([A-Z_0-9]*)([ \t]*?)([+.:]?=[+.]?)([ \t]*?)("[^"]*["\\]?)'

-routineRegexp = r'^([a-zA-Z0-9_ -]+?)\('

-

-# Style guideline #0: No spaces are allowed at the beginning of lines that define a variable or a do_ routine

-def check_rule0(line): 

-    return line.lstrip()==line

-def follow_rule0(line): 

-    return line.lstrip()

-

-# Style guideline #1: No spaces are allowed behind the line continuation symbol '\'

-def check_rule1(line):

-    if line.rstrip().endswith('\\'):

-        return line.endswith('\\')

-    else: 

-        return True

-def follow_rule1(line):

-    return line.rstrip()

-

-# Style guideline #2: Tabs should not be used (use spaces instead).

-def check_rule2(line):

-    return line.count('\t')==0

-def follow_rule2(line):

-    return line.expandtabs()

-

-# Style guideline #3: Comments inside bb files are allowed using the '#' character at the beginning of a line.

-def check_rule3(line):

-    if line.lstrip().startswith('#'):

-        return line.startswith('#')

-    else: 

-        return True

-def follow_rule3(line):

-    return line.lstrip()

-

-# Style guideline #4: Use quotes on the right hand side of assignments: FOO = "BAR"

-def check_rule4(line):

-    return re.match(varRegexp, line) is not None

-def follow_rule4(line):

-    return follow_rule5(line)

-

-# Style guideline #5: The correct spacing for a variable is FOO = "BAR".

-def check_rule5(line):

-    r = re.search(varRegexp, line)

-    return r is not None and r.group(2)==" " and r.group(4)==" "

-def follow_rule5(line):

-    r = re.search(varRegexp, line)

-    return ''.join([r.group(1), ' ', r.group(3), ' ', r.group(5)])

-

-# Style guideline #6: Don't use spaces or tabs on empty lines

-def check_rule6(line):

-    return not line.isspace() or line=="\n"

-def follow_rule6(line):

-    return ""

-

-# Style guideline #7: Indentation of multiline variables such as SRC_URI is desireable.

-def check_rule7(line):

-    return True

-def follow_rule7(line):

-    return line

-

-rules = (

-    (check_rule0, follow_rule0, "No spaces are allowed at the beginning of lines that define a variable or a do_ routine"),

-    (check_rule1, follow_rule1, "No spaces are allowed behind the line continuation symbol '\\'"),

-    (check_rule2, follow_rule2, "Tabs should not be used (use spaces instead)"),

-    (check_rule3, follow_rule3, "Comments inside bb files are allowed using the '#' character at the beginning of a line"),

-    (check_rule4, follow_rule4, "Use quotes on the right hand side of assignments: FOO = \"BAR\""),

-    (check_rule5, follow_rule5, "The correct spacing for a variable is FOO = \"BAR\""),

-    (check_rule6, follow_rule6, "Don't use spaces or tabs on empty lines"),

-    (check_rule7, follow_rule7, "Indentation of multiline variables such as SRC_URI is desireable"),

-)

-

-def follow_rule(i, line):

-    oldline = line

-    if not rules[i][0](line):

-        line = rules[i][1](line)

-        if not rules[i][0](line):

-            print "## Rule %d disgression: on this line: " % i, line

-            print "## Warning: ", rules[i][2]

-        else:

-            print "## Reminder: ", rules[i][2], " in :", oldline

-    return line

-

-

-if __name__ == "__main__":

-

-    # -- retrieves lines of the .bb file --

-    lines = []

-    for line in fileinput.input():

-        if True:

-            lines.append(line)

-        else:

-            # expandtabs on each line so that rule2 is always respected 

-            # rstrip each line so that rule1 is always respected 

-            line = line.expandtabs().rstrip()

-            # ignore empty lines (or line filled with spaces or tabs only)

-            # so that rule6 is always respected

-            if line is not '':

-                lines.append(line)

-

-    # -- parse the file --

-    var = ""

-    in_routine = False

-    commentBloc = []

-    olines = []

-    unknownVar = set()

-    for line in lines: 

-        line = line.rstrip()

-        line = follow_rule(2, line)

-        line = follow_rule(1, line)

-        line = follow_rule(6, line)

-        # ignore empty lines

-        if line.isspace() or line is '':

-            # flush comments into the olines

-            for c in commentBloc: olines.append(c)

-            commentBloc = []

-            continue

-

-        if line.startswith('}'): in_routine=False

-        keep = line.endswith('\\') or in_routine

-

-        # handles commented lines

-        if line.lstrip().startswith('#'):

-            # check and follow rule3 if not in a variables or routines

-            if not in_routine:

-                line = follow_rule(3, line)

-            commentBloc.append(line)

-            continue

-

-        if OE_vars.has_key(var):

-            for c in commentBloc: 

-                OE_vars[var].append(c)

-                commentBloc = []

-            OE_vars[var].append(line)

-        else:

-            varexist = False

-            for k in OE_vars:

-                if line.startswith(k):

-                    line = follow_rule(0, line)

-                    varexist = True

-                    if re.match(routineRegexp, line) is not None: 

-                        in_routine=True

-                    elif re.match(varRegexp, line) is not None:

-                        line = follow_rule(4, line)

-                        line = follow_rule(5, line)

-                    for c in commentBloc: 

-                        OE_vars[k].append(c)

-                        commentBloc = []

-                    OE_vars[k].append(line)

-                    var = (keep==True or in_routine==True) and k or ""

-                    break

-            if not varexist:

-                s = string.split(line)[0].rstrip().lstrip()

-                if s not in unknownVar: 

-                    unknownVar.add(s)

-                if not in_routine:

-                    print "## Warning: unknown variable/routine \"%s\"" % line

-                    OE_vars['others'].append(line)

-        if not keep and not in_routine: var = ""

-

-    # -- prepare the sanitized .bb file --

-    #for k in OE_vars: print k, OE_vars[k]

-    addEmptyLine = False

-    for k in OE_vars:

-        if k=='SRC_URI': addEmptyLine = True

-        if OE_vars[k] != []: 

-            if addEmptyLine: olines.append("")

-            for l in OE_vars[k]: 

-                olines.append(l)

-    for line in olines: print line

-    #for i in unknownVar: print i, '\n'
\ No newline at end of file
+#!/usr/bin/env python
+
+# sanitize a bitbake file following the OpenEmbedded style guidelines 
+# see http://openembedded.org/wiki/StyleGuide 
+# (C) 2006 Cyril Romain <cyril.romain@gmail.com>
+# MIT license
+
+# TODO: 
+#   -  add the others OpenEmbedded variables commonly used
+#   ./ handle comments in .bb files
+#   -  parse command arguments and print usage on misuse
+#       . prevent giving more than one .bb file in arguments
+#   -  write result to a file
+#   -  backup the original .bb file
+#   -  make a diff and ask confirmation for patching ?
+#   -  /!\ startswith('SOMETHING') is not taken into account due to the previous startswith('S').
+#   -  count rule breaks and displays them in the order frequence
+
+from odict import OrderedDict
+import fileinput
+import string
+import re
+
+__author__ = "Cyril Romain <cyril.romain@gmail.com>"
+__version__ = "$Revision: 0.3 $"
+
+# The ordered list of OpenEmbedded variables
+OE_vars = OrderedDict([
+    ('DESCRIPTION', []),
+    ('AUTHOR', []),
+    ('HOMEPAGE', []),
+    ('SECTION', []),
+    ('PRIORITY', []),
+    ('MAINTAINER', []),
+    ('LICENSE', []),
+    ('DEPENDS', []),
+    ('RDEPENDS', []),
+    ('RRECOMMENDS', []),
+    ('RSUGGESTS', []),
+    ('PROVIDES', []),
+    ('RPROVIDES', []),
+    ('RCONFLICTS', []),
+    ('SRCDATE', []),
+    ('PV', []),
+    ('PR', []),
+    ('SRC_URI', []),
+    ('S', []),
+    ('inherit', []),
+    ('EXTRA_', []),
+    ('do_fetch', []),
+    ('do_unpack', []),
+    ('do_patch', []),
+    ('do_configure', []),
+    ('do_compile', []),
+    ('do_install', []),
+    ('do_package', []),
+    ('do_stage', []),
+    ('PACKAGE_ARCH', []),
+    ('PACKAGES', []),
+    ('FILES', []),
+    ('WORKDIR', []),
+    ('acpaths', []),
+    ('addhandler', []),
+    ('addtask', []),
+    ('bindir', []),
+    ('export', []),
+    ('headers', []),
+    ('include', []),
+    ('includedir', []),
+    ('python', []),
+    ('qtopiadir', []),
+    ('pkg_postins', []),
+    ('pkg_postrm', []),
+    ('require', []),
+    ('sbindir', []),
+    ('basesysconfdir', []),
+    ('sysconfdir', []),
+    ('ALLOW_EMPTY', []),
+    ('ALTERNATIVE_LINK', []),
+    ('ALTERNATIVE_NAME', []),
+    ('ALTERNATIVE_PATH', []),
+    ('ALTERNATIVE_PRIORITY', []),
+    ('ALTNAME', []),
+    ('AMD_DRIVER_LABEL', []),
+    ('AMD_DRIVER_VERSION', []),
+    ('ANGSTROM_EXTRA_INSTALL', []),
+    ('APPDESKTOP', []),
+    ('APPIMAGE', []),
+    ('APPNAME', []),
+    ('APPTYPE', []),
+    ('APPWEB_BUILD', []),
+    ('APPWEB_HOST', []),
+    ('AR', []),
+    ('ARCH', []),
+    ('ARM_INSTRUCTION_SET', []),
+    ('ARM_MUTEX', []),
+    ('ART_CONFIG', []),
+    ('B', []),
+    ('BJAM_OPTS', []),
+    ('BJAM_TOOLS', []),
+    ('BONOBO_HEADERS', []),
+    ('BOOTSCRIPTS', []),
+    ('BROKEN', []),
+    ('BUILD_ALL_DEPS', []),
+    ('BUILD_CPPFLAGS', []),
+    ('CFLAGS', []),
+    ('CCFLAGS', []),
+    ('CMDLINE', []),
+    ('COLLIE_MEMORY_SIZE', []),
+    ('COMPATIBLE_HOST', []),
+    ('COMPATIBLE_MACHINE', []),
+    ('COMPILE_HERMES', []),
+    ('CONFFILES', []),
+    ('CONFLICTS', []),
+    ('CORE_EXTRA_D', []),
+    ('CORE_PACKAGES_D', []),
+    ('CORE_PACKAGES_RD', []),
+    ('CPPFLAGS', []),
+    ('CVSDATE', []),
+    ('CXXFLAGS', []),
+    ('DEBIAN_NOAUTONAME', []),
+    ('DEBUG_APPS', []),
+    ('DEFAULT_PREFERENCE', []),
+    ('DB4_CONFIG', []),
+    ('EXCLUDE_FROM_SHLIBS', []),
+    ('EXCLUDE_FROM_WORLD', []),
+    ('FIXEDSRCDATE', []),
+    ('GLIBC_ADDONS', []),
+    ('GLIBC_EXTRA_OECONF', []),
+    ('GNOME_VFS_HEADERS', []),
+    ('GPE_TARBALL_SUFFIX', []),
+    ('HEADERS', []),
+    ('INHIBIT_DEFAULT_DEPS', []),
+    ('INITSCRIPT_NAME', []),
+    ('INITSCRIPT_PACKAGES', []),
+    ('INITSCRIPT_PARAMS', []),
+    ('IPKG_INSTALL', []),
+    ('KERNEL_IMAGETYPE', []),
+    ('KERNEL_IMAGEDEST', []),
+    ('KERNEL_OUTPUT', []),
+    ('KERNEL_RELEASE', []),
+    ('KERNEL_PRIORITY', []),
+    ('KERNEL_SOURCE', []),
+    ('KERNEL_SUFFIX', []),
+    ('KERNEL_VERSION', []),
+    ('K_MAJOR', []),
+    ('K_MICRO', []),
+    ('K_MINOR', []),
+    ('HHV', []),
+    ('KV', []),
+    ('LDFLAGS', []),
+    ('LD', []),
+    ('LD_SO', []),
+    ('LDLIBS', []),
+    ('LEAD_SONAME', []),
+    ('LIBTOOL', []),
+    ('LIBBDB_EXTRA', []),
+    ('LIBV', []),
+    ('MACHINE', []),
+    ('MACHINE_ESSENTIAL_EXTRA_RDEPENDS', []),
+    ('MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS', []),
+    ('MACHINE_EXTRA_RDEPENDS', []),
+    ('MACHINE_EXTRA_RRECOMMENDS', []),
+    ('MACHINE_FEATURES', []),
+    ('MACHINE_TASKS', []),
+    ('MACHTYPE', []),
+    ('MAKE_TARGETS', []),
+    ('MESSAGEUSER', []),
+    ('MESSAGEHOME', []),
+    ('MIRRORS', []),
+    ('MUTEX', []),
+    ('OE_QMAKE_INCDIR_QT', []),
+    ('OE_QMAKE_CXXFLAGS', []),
+    ('ORBIT_IDL_SRC', []),
+    ('PARALLEL_MAKE', []),
+    ('PAKCAGE_ARCH', []),
+    ('PCMCIA_MANAGER', []),
+    ('PKG_BASENAME', []),
+    ('QEMU', []),
+    ('QMAKE_PROFILES', []),
+    ('QPEDIR', []),
+    ('QPF_DESCRIPTION', []),
+    ('QPF_PKGPATTERN', []),
+    ('QT_CONFIG_FLAGS', []),
+    ('QT_LIBRARY', []),
+    ('ROOTFS_POSTPROCESS_COMMAND', []),
+    ('RREPLACES', []),
+    ('TARGET_CFLAGS', []),
+    ('TARGET_CPPFLAGS', []),
+    ('TARGET_LDFLAGS', []),
+    ('UBOOT_MACHINE', []),
+    ('UCLIBC_BASE', []),
+    ('UCLIBC_PATCHES', []),
+    ('UNSLUNG_PACKAGES', []),
+    ('VIRTUAL_NAME', []),
+    ('XORG_PN', []),
+    ('XSERVER', []),
+    ('others', [])
+])
+
+varRegexp = r'^([A-Z_0-9]*)([ \t]*?)([+.:]?=[+.]?)([ \t]*?)("[^"]*["\\]?)'
+routineRegexp = r'^([a-zA-Z0-9_ -]+?)\('
+
+# Style guideline #0: No spaces are allowed at the beginning of lines that define a variable or a do_ routine
+def check_rule0(line): 
+    return line.lstrip()==line
+def follow_rule0(line): 
+    return line.lstrip()
+
+# Style guideline #1: No spaces are allowed behind the line continuation symbol '\'
+def check_rule1(line):
+    if line.rstrip().endswith('\\'):
+        return line.endswith('\\')
+    else: 
+        return True
+def follow_rule1(line):
+    return line.rstrip()
+
+# Style guideline #2: Tabs should not be used (use spaces instead).
+def check_rule2(line):
+    return line.count('\t')==0
+def follow_rule2(line):
+    return line.expandtabs()
+
+# Style guideline #3: Comments inside bb files are allowed using the '#' character at the beginning of a line.
+def check_rule3(line):
+    if line.lstrip().startswith('#'):
+        return line.startswith('#')
+    else: 
+        return True
+def follow_rule3(line):
+    return line.lstrip()
+
+# Style guideline #4: Use quotes on the right hand side of assignments: FOO = "BAR"
+def check_rule4(line):
+    return re.match(varRegexp, line) is not None
+def follow_rule4(line):
+    return follow_rule5(line)
+
+# Style guideline #5: The correct spacing for a variable is FOO = "BAR".
+def check_rule5(line):
+    r = re.search(varRegexp, line)
+    return r is not None and r.group(2)==" " and r.group(4)==" "
+def follow_rule5(line):
+    r = re.search(varRegexp, line)
+    return ''.join([r.group(1), ' ', r.group(3), ' ', r.group(5)])
+
+# Style guideline #6: Don't use spaces or tabs on empty lines
+def check_rule6(line):
+    return not line.isspace() or line=="\n"
+def follow_rule6(line):
+    return ""
+
+# Style guideline #7: Indentation of multiline variables such as SRC_URI is desireable.
+def check_rule7(line):
+    return True
+def follow_rule7(line):
+    return line
+
+rules = (
+    (check_rule0, follow_rule0, "No spaces are allowed at the beginning of lines that define a variable or a do_ routine"),
+    (check_rule1, follow_rule1, "No spaces are allowed behind the line continuation symbol '\\'"),
+    (check_rule2, follow_rule2, "Tabs should not be used (use spaces instead)"),
+    (check_rule3, follow_rule3, "Comments inside bb files are allowed using the '#' character at the beginning of a line"),
+    (check_rule4, follow_rule4, "Use quotes on the right hand side of assignments: FOO = \"BAR\""),
+    (check_rule5, follow_rule5, "The correct spacing for a variable is FOO = \"BAR\""),
+    (check_rule6, follow_rule6, "Don't use spaces or tabs on empty lines"),
+    (check_rule7, follow_rule7, "Indentation of multiline variables such as SRC_URI is desireable"),
+)
+
+def follow_rule(i, line):
+    oldline = line
+    if not rules[i][0](line):
+        line = rules[i][1](line)
+        if not rules[i][0](line):
+            print "## Rule %d disgression: on this line: " % i, line
+            print "## Warning: ", rules[i][2]
+        else:
+            print "## Reminder: ", rules[i][2], " in :", oldline
+    return line
+
+
+if __name__ == "__main__":
+
+    # -- retrieves lines of the .bb file --
+    lines = []
+    for line in fileinput.input():
+        if True:
+            lines.append(line)
+        else:
+            # expandtabs on each line so that rule2 is always respected 
+            # rstrip each line so that rule1 is always respected 
+            line = line.expandtabs().rstrip()
+            # ignore empty lines (or line filled with spaces or tabs only)
+            # so that rule6 is always respected
+            if line is not '':
+                lines.append(line)
+
+    # -- parse the file --
+    var = ""
+    in_routine = False
+    commentBloc = []
+    olines = []
+    unknownVar = set()
+    for line in lines: 
+        line = line.rstrip()
+        line = follow_rule(2, line)
+        line = follow_rule(1, line)
+        line = follow_rule(6, line)
+        # ignore empty lines
+        if line.isspace() or line is '':
+            # flush comments into the olines
+            for c in commentBloc: olines.append(c)
+            commentBloc = []
+            continue
+
+        if line.startswith('}'): in_routine=False
+        keep = line.endswith('\\') or in_routine
+
+        # handles commented lines
+        if line.lstrip().startswith('#'):
+            # check and follow rule3 if not in a variables or routines
+            if not in_routine:
+                line = follow_rule(3, line)
+            commentBloc.append(line)
+            continue
+
+        if OE_vars.has_key(var):
+            for c in commentBloc: 
+                OE_vars[var].append(c)
+                commentBloc = []
+            OE_vars[var].append(line)
+        else:
+            varexist = False
+            for k in OE_vars:
+                if line.startswith(k):
+                    line = follow_rule(0, line)
+                    varexist = True
+                    if re.match(routineRegexp, line) is not None: 
+                        in_routine=True
+                    elif re.match(varRegexp, line) is not None:
+                        line = follow_rule(4, line)
+                        line = follow_rule(5, line)
+                    for c in commentBloc: 
+                        OE_vars[k].append(c)
+                        commentBloc = []
+                    OE_vars[k].append(line)
+                    var = (keep==True or in_routine==True) and k or ""
+                    break
+            if not varexist:
+                s = string.split(line)[0].rstrip().lstrip()
+                if s not in unknownVar: 
+                    unknownVar.add(s)
+                if not in_routine:
+                    print "## Warning: unknown variable/routine \"%s\"" % line
+                    OE_vars['others'].append(line)
+        if not keep and not in_routine: var = ""
+
+    # -- prepare the sanitized .bb file --
+    #for k in OE_vars: print k, OE_vars[k]
+    addEmptyLine = False
+    for k in OE_vars:
+        if k=='SRC_URI': addEmptyLine = True
+        if OE_vars[k] != []: 
+            if addEmptyLine: olines.append("")
+            for l in OE_vars[k]: 
+                olines.append(l)
+    for line in olines: print line
+    #for i in unknownVar: print i, '\n'