diff options
Diffstat (limited to 'bitbake/lib/bb/parse/parse_c/BBHandler.py')
-rw-r--r-- | bitbake/lib/bb/parse/parse_c/BBHandler.py | 151 |
1 files changed, 113 insertions, 38 deletions
diff --git a/bitbake/lib/bb/parse/parse_c/BBHandler.py b/bitbake/lib/bb/parse/parse_c/BBHandler.py index d9f48db17b..b430e1f4e5 100644 --- a/bitbake/lib/bb/parse/parse_c/BBHandler.py +++ b/bitbake/lib/bb/parse/parse_c/BBHandler.py @@ -5,33 +5,33 @@ Reads a .bb file and obtains its metadata (using a C++ parser) Copyright (C) 2006 Tim Robert Ansell - Copyright (C) 2006 Holger Hans Peter Freyther - + Copyright (C) 2006 Holger Hans Peter Freyther + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in all - copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT - SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, - DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR - THE USE OR OTHER DEALINGS IN THE SOFTWARE. + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in all + copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT + SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR + THE USE OR OTHER DEALINGS IN THE SOFTWARE. """ -import os +import os, sys # The Module we will use here import bb @@ -61,51 +61,126 @@ def supports(fn, data): return fn[-3:] == ".bb" or fn[-8:] == ".bbclass" or fn[-4:] == ".inc" or fn[-5:] == ".conf" def init(fn, data): - if not data.getVar('TOPDIR'): - bb.error('TOPDIR is not set') - if not data.getVar('BBPATH'): - bb.error('BBPATH is not set') + if not bb.data.getVar('TOPDIR', data): + bb.data.setVar('TOPDIR', os.getcwd(), data) + if not bb.data.getVar('BBPATH', data): + bb.data.setVar('BBPATH', os.path.join(sys.prefix, 'share', 'bitbake'), data) + +def handle_inherit(d): + """ + Handle inheriting of classes. This will load all default classes. + It could be faster, it could detect infinite loops but this is todo + Also this delayed loading of bb.parse could impose a penalty + """ + from bb.parse import handle + + files = (data.getVar('INHERIT', d, True) or "").split() + if not "base" in i: + files[0:0] = ["base"] + + __inherit_cache = data.getVar('__inherit_cache', d) or [] + for f in files: + file = data.expand(f, d) + if file[0] != "/" and file[-8:] != ".bbclass": + file = os.path.join('classes', '%s.bbclass' % file) + + if not file in __inherit_cache: + debug(2, "BB %s:%d: inheriting %s" % (fn, lineno, file)) + __inherit_cache.append( file ) + + try: + handle(file, d, True) + except IOError: + print "Failed to inherit %s" % file + data.setVar('__inherit_cache', __inherit_cache, d) def handle(fn, d, include): - print "" - print "fn: %s" % fn - print "data: %s" % d - print dir(d) - print d.getVar.__doc__ - print "include: %s" % include + from bb import data, parse + + (root, ext) = os.path.splitext(os.path.basename(fn)) + base_name = "%s%s" % (root,ext) + + # initialize with some data + init(fn,d) # check if we include or are the beginning + oldfile = None if include: - oldfile = d.getVar('FILE') - else: - #d.inheritFromOS() - oldfile = None + oldfile = d.getVar('FILE', False) + is_conf = False + elif ext == ".conf": + is_conf = True + data.inheritFromOS(d) # find the file if not os.path.isabs(fn): - bb.error("No Absolute FILE name") - abs_fn = bb.which(d.getVar('BBPATH'), fn) + abs_fn = bb.which(d.getVar('BBPATH', True), fn) else: abs_fn = fn # check if the file exists if not os.path.exists(abs_fn): - raise IOError("file '%(fn)' not found" % locals() ) + raise IOError("file '%(fn)s' not found" % locals() ) # now we know the file is around mark it as dep if include: parse.mark_dependency(d, abs_fn) + # manipulate the bbpath + if ext != ".bbclass" and ext != ".conf": + old_bb_path = data.getVar('BBPATH', d) + data.setVar('BBPATH', os.path.dirname(abs_fn) + (":%s" %old_bb_path) , d) + + # handle INHERITS and base inherit + if ext != ".bbclass" and ext != ".conf": + data.setVar('FILE', fn, d) + handle_interit(d) + # now parse this file - by defering it to C++ - parsefile(fn, d) + parsefile(abs_fn, d, is_conf) + + # Finish it up + if include == 0: + data.expandKeys(d) + data.update_data(d) + #### !!! XXX Finish it up by executing the anonfunc + # restore the original FILE if oldfile: d.setVar('FILE', oldfile) + # restore bbpath + if ext != ".bbclass" and ext != ".conf": + data.setVar('BBPATH', old_bb_path, d ) + + return d + +# Needed for BitBake files... +__pkgsplit_cache__={} +def vars_from_file(mypkg, d): + if not mypkg: + return (None, None, None) + if mypkg in __pkgsplit_cache__: + return __pkgsplit_cache__[mypkg] + + myfile = os.path.splitext(os.path.basename(mypkg)) + parts = myfile[0].split('_') + __pkgsplit_cache__[mypkg] = parts + exp = 3 - len(parts) + tmplist = [] + while exp != 0: + exp -= 1 + tmplist.append(None) + parts.extend(tmplist) + return parts + + + + # Inform bitbake that we are a parser # We need to define all three from bb.parse import handlers |