420 lines
14 KiB
Python
420 lines
14 KiB
Python
#!/usr/bin/env python
|
|
# ex:ts=4:sw=4:sts=4:et
|
|
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
|
|
"""
|
|
class for handling .bb files
|
|
|
|
Reads a .bb file and obtains its metadata
|
|
|
|
"""
|
|
|
|
|
|
# Copyright (C) 2003, 2004 Chris Larson
|
|
# Copyright (C) 2003, 2004 Phil Blundell
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License version 2 as
|
|
# published by the Free Software Foundation.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along
|
|
# with this program; if not, write to the Free Software Foundation, Inc.,
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
import re, bb, os, sys, time
|
|
import bb.fetch, bb.build, bb.utils
|
|
from bb import data, fetch, methodpool
|
|
|
|
from ConfHandler import include, localpath, obtain, init
|
|
from bb.parse import ParseError
|
|
|
|
__func_start_regexp__ = re.compile( r"(((?P<py>python)|(?P<fr>fakeroot))\s*)*(?P<func>[\w\.\-\+\{\}\$]+)?\s*\(\s*\)\s*{$" )
|
|
__inherit_regexp__ = re.compile( r"inherit\s+(.+)" )
|
|
__export_func_regexp__ = re.compile( r"EXPORT_FUNCTIONS\s+(.+)" )
|
|
__addtask_regexp__ = re.compile("addtask\s+(?P<func>\w+)\s*((before\s*(?P<before>((.*(?=after))|(.*))))|(after\s*(?P<after>((.*(?=before))|(.*)))))*")
|
|
__addhandler_regexp__ = re.compile( r"addhandler\s+(.+)" )
|
|
__def_regexp__ = re.compile( r"def\s+(\w+).*:" )
|
|
__python_func_regexp__ = re.compile( r"(\s+.*)|(^$)" )
|
|
__word__ = re.compile(r"\S+")
|
|
|
|
__infunc__ = ""
|
|
__inpython__ = False
|
|
__body__ = []
|
|
__classname__ = ""
|
|
classes = [ None, ]
|
|
|
|
# We need to indicate EOF to the feeder. This code is so messy that
|
|
# factoring it out to a close_parse_file method is out of question.
|
|
# We will use the IN_PYTHON_EOF as an indicator to just close the method
|
|
#
|
|
# The two parts using it are tightly integrated anyway
|
|
IN_PYTHON_EOF = -9999999999999
|
|
|
|
__parsed_methods__ = methodpool.get_parsed_dict()
|
|
|
|
def supports(fn, d):
|
|
localfn = localpath(fn, d)
|
|
return localfn[-3:] == ".bb" or localfn[-8:] == ".bbclass" or localfn[-4:] == ".inc"
|
|
|
|
def inherit(files, d):
|
|
__inherit_cache = data.getVar('__inherit_cache', d) or []
|
|
fn = ""
|
|
lineno = 0
|
|
files = data.expand(files, d)
|
|
for file in files:
|
|
if file[0] != "/" and file[-8:] != ".bbclass":
|
|
file = os.path.join('classes', '%s.bbclass' % file)
|
|
|
|
if not file in __inherit_cache:
|
|
bb.msg.debug(2, bb.msg.domain.Parsing, "BB %s:%d: inheriting %s" % (fn, lineno, file))
|
|
__inherit_cache.append( file )
|
|
data.setVar('__inherit_cache', __inherit_cache, d)
|
|
include(fn, file, d, "inherit")
|
|
__inherit_cache = data.getVar('__inherit_cache', d) or []
|
|
|
|
def handle(fn, d, include = 0):
|
|
global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __infunc__, __body__, __residue__
|
|
__body__ = []
|
|
__infunc__ = ""
|
|
__classname__ = ""
|
|
__residue__ = []
|
|
|
|
if include == 0:
|
|
bb.msg.debug(2, bb.msg.domain.Parsing, "BB " + fn + ": handle(data)")
|
|
else:
|
|
bb.msg.debug(2, bb.msg.domain.Parsing, "BB " + fn + ": handle(data, include)")
|
|
|
|
(root, ext) = os.path.splitext(os.path.basename(fn))
|
|
base_name = "%s%s" % (root,ext)
|
|
init(d)
|
|
|
|
if ext == ".bbclass":
|
|
__classname__ = root
|
|
classes.append(__classname__)
|
|
|
|
if include != 0:
|
|
oldfile = data.getVar('FILE', d)
|
|
else:
|
|
oldfile = None
|
|
|
|
fn = obtain(fn, d)
|
|
bbpath = (data.getVar('BBPATH', d, 1) or '').split(':')
|
|
if not os.path.isabs(fn):
|
|
f = None
|
|
for p in bbpath:
|
|
j = os.path.join(p, fn)
|
|
if os.access(j, os.R_OK):
|
|
abs_fn = j
|
|
f = open(j, 'r')
|
|
break
|
|
if f is None:
|
|
raise IOError("file not found")
|
|
else:
|
|
f = open(fn,'r')
|
|
abs_fn = fn
|
|
|
|
if ext != ".bbclass":
|
|
bbpath.insert(0, os.path.dirname(abs_fn))
|
|
data.setVar('BBPATH', ":".join(bbpath), d)
|
|
|
|
if include:
|
|
bb.parse.mark_dependency(d, abs_fn)
|
|
|
|
if ext != ".bbclass":
|
|
data.setVar('FILE', fn, d)
|
|
i = (data.getVar("INHERIT", d, 1) or "").split()
|
|
if not "base" in i and __classname__ != "base":
|
|
i[0:0] = ["base"]
|
|
inherit(i, d)
|
|
|
|
lineno = 0
|
|
while 1:
|
|
lineno = lineno + 1
|
|
s = f.readline()
|
|
if not s: break
|
|
s = s.rstrip()
|
|
feeder(lineno, s, fn, base_name, d)
|
|
if __inpython__:
|
|
# add a blank line to close out any python definition
|
|
feeder(IN_PYTHON_EOF, "", fn, base_name, d)
|
|
if ext == ".bbclass":
|
|
classes.remove(__classname__)
|
|
else:
|
|
if include == 0:
|
|
data.expandKeys(d)
|
|
data.update_data(d)
|
|
anonqueue = data.getVar("__anonqueue", d, 1) or []
|
|
body = [x['content'] for x in anonqueue]
|
|
flag = { 'python' : 1, 'func' : 1 }
|
|
data.setVar("__anonfunc", "\n".join(body), d)
|
|
data.setVarFlags("__anonfunc", flag, d)
|
|
from bb import build
|
|
try:
|
|
t = data.getVar('T', d)
|
|
data.setVar('T', '${TMPDIR}/', d)
|
|
build.exec_func("__anonfunc", d)
|
|
data.delVar('T', d)
|
|
if t:
|
|
data.setVar('T', t, d)
|
|
except Exception, e:
|
|
bb.msg.debug(1, bb.msg.domain.Parsing, "executing anonymous function: %s" % e)
|
|
raise
|
|
data.delVar("__anonqueue", d)
|
|
data.delVar("__anonfunc", d)
|
|
set_additional_vars(fn, d, include)
|
|
data.update_data(d)
|
|
|
|
all_handlers = {}
|
|
for var in data.getVar('__BBHANDLERS', d) or []:
|
|
# try to add the handler
|
|
# if we added it remember the choiche
|
|
handler = data.getVar(var,d)
|
|
if bb.event.register(var,handler) == bb.event.Registered:
|
|
all_handlers[var] = handler
|
|
|
|
for var in data.getVar('__BBTASKS', d) or []:
|
|
deps = data.getVarFlag(var, 'deps', d) or []
|
|
postdeps = data.getVarFlag(var, 'postdeps', d) or []
|
|
bb.build.add_task(var, deps, d)
|
|
for p in postdeps:
|
|
pdeps = data.getVarFlag(p, 'deps', d) or []
|
|
pdeps.append(var)
|
|
data.setVarFlag(p, 'deps', pdeps, d)
|
|
bb.build.add_task(p, pdeps, d)
|
|
|
|
# now add the handlers
|
|
if not len(all_handlers) == 0:
|
|
data.setVar('__all_handlers__', all_handlers, d)
|
|
|
|
bbpath.pop(0)
|
|
if oldfile:
|
|
bb.data.setVar("FILE", oldfile, d)
|
|
|
|
# we have parsed the bb class now
|
|
if ext == ".bbclass" or ext == ".inc":
|
|
__parsed_methods__[base_name] = 1
|
|
|
|
return d
|
|
|
|
def feeder(lineno, s, fn, root, d):
|
|
global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __def_regexp__, __python_func_regexp__, __inpython__,__infunc__, __body__, classes, bb, __residue__
|
|
if __infunc__:
|
|
if s == '}':
|
|
__body__.append('')
|
|
data.setVar(__infunc__, '\n'.join(__body__), d)
|
|
data.setVarFlag(__infunc__, "func", 1, d)
|
|
if __infunc__ == "__anonymous":
|
|
anonqueue = bb.data.getVar("__anonqueue", d) or []
|
|
anonitem = {}
|
|
anonitem["content"] = bb.data.getVar("__anonymous", d)
|
|
anonitem["flags"] = bb.data.getVarFlags("__anonymous", d)
|
|
anonqueue.append(anonitem)
|
|
bb.data.setVar("__anonqueue", anonqueue, d)
|
|
bb.data.delVarFlags("__anonymous", d)
|
|
bb.data.delVar("__anonymous", d)
|
|
__infunc__ = ""
|
|
__body__ = []
|
|
else:
|
|
__body__.append(s)
|
|
return
|
|
|
|
if __inpython__:
|
|
m = __python_func_regexp__.match(s)
|
|
if m and lineno != IN_PYTHON_EOF:
|
|
__body__.append(s)
|
|
return
|
|
else:
|
|
# Note we will add root to parsedmethods after having parse
|
|
# 'this' file. This means we will not parse methods from
|
|
# bb classes twice
|
|
if not root in __parsed_methods__:
|
|
text = '\n'.join(__body__)
|
|
methodpool.insert_method( root, text, fn )
|
|
funcs = data.getVar('__functions__', d) or {}
|
|
if not funcs.has_key( root ):
|
|
funcs[root] = text
|
|
else:
|
|
funcs[root] = "%s\n%s" % (funcs[root], text)
|
|
|
|
data.setVar('__functions__', funcs, d)
|
|
__body__ = []
|
|
__inpython__ = False
|
|
|
|
if lineno == IN_PYTHON_EOF:
|
|
return
|
|
|
|
# fall through
|
|
|
|
if s == '' or s[0] == '#': return # skip comments and empty lines
|
|
|
|
if s[-1] == '\\':
|
|
__residue__.append(s[:-1])
|
|
return
|
|
|
|
s = "".join(__residue__) + s
|
|
__residue__ = []
|
|
|
|
m = __func_start_regexp__.match(s)
|
|
if m:
|
|
__infunc__ = m.group("func") or "__anonymous"
|
|
key = __infunc__
|
|
if data.getVar(key, d):
|
|
# clean up old version of this piece of metadata, as its
|
|
# flags could cause problems
|
|
data.setVarFlag(key, 'python', None, d)
|
|
data.setVarFlag(key, 'fakeroot', None, d)
|
|
if m.group("py") is not None:
|
|
data.setVarFlag(key, "python", "1", d)
|
|
else:
|
|
data.delVarFlag(key, "python", d)
|
|
if m.group("fr") is not None:
|
|
data.setVarFlag(key, "fakeroot", "1", d)
|
|
else:
|
|
data.delVarFlag(key, "fakeroot", d)
|
|
return
|
|
|
|
m = __def_regexp__.match(s)
|
|
if m:
|
|
__body__.append(s)
|
|
__inpython__ = True
|
|
return
|
|
|
|
m = __export_func_regexp__.match(s)
|
|
if m:
|
|
fns = m.group(1)
|
|
n = __word__.findall(fns)
|
|
for f in n:
|
|
allvars = []
|
|
allvars.append(f)
|
|
allvars.append(classes[-1] + "_" + f)
|
|
|
|
vars = [[ allvars[0], allvars[1] ]]
|
|
if len(classes) > 1 and classes[-2] is not None:
|
|
allvars.append(classes[-2] + "_" + f)
|
|
vars = []
|
|
vars.append([allvars[2], allvars[1]])
|
|
vars.append([allvars[0], allvars[2]])
|
|
|
|
for (var, calledvar) in vars:
|
|
if data.getVar(var, d) and not data.getVarFlag(var, 'export_func', d):
|
|
continue
|
|
|
|
if data.getVar(var, d):
|
|
data.setVarFlag(var, 'python', None, d)
|
|
data.setVarFlag(var, 'func', None, d)
|
|
|
|
for flag in [ "func", "python" ]:
|
|
if data.getVarFlag(calledvar, flag, d):
|
|
data.setVarFlag(var, flag, data.getVarFlag(calledvar, flag, d), d)
|
|
for flag in [ "dirs" ]:
|
|
if data.getVarFlag(var, flag, d):
|
|
data.setVarFlag(calledvar, flag, data.getVarFlag(var, flag, d), d)
|
|
|
|
if data.getVarFlag(calledvar, "python", d):
|
|
data.setVar(var, "\tbb.build.exec_func('" + calledvar + "', d)\n", d)
|
|
else:
|
|
data.setVar(var, "\t" + calledvar + "\n", d)
|
|
data.setVarFlag(var, 'export_func', '1', d)
|
|
|
|
return
|
|
|
|
m = __addtask_regexp__.match(s)
|
|
if m:
|
|
func = m.group("func")
|
|
before = m.group("before")
|
|
after = m.group("after")
|
|
if func is None:
|
|
return
|
|
var = "do_" + func
|
|
|
|
data.setVarFlag(var, "task", 1, d)
|
|
|
|
bbtasks = data.getVar('__BBTASKS', d) or []
|
|
bbtasks.append(var)
|
|
data.setVar('__BBTASKS', bbtasks, d)
|
|
|
|
if after is not None:
|
|
# set up deps for function
|
|
data.setVarFlag(var, "deps", after.split(), d)
|
|
if before is not None:
|
|
# set up things that depend on this func
|
|
data.setVarFlag(var, "postdeps", before.split(), d)
|
|
return
|
|
|
|
m = __addhandler_regexp__.match(s)
|
|
if m:
|
|
fns = m.group(1)
|
|
hs = __word__.findall(fns)
|
|
bbhands = data.getVar('__BBHANDLERS', d) or []
|
|
for h in hs:
|
|
bbhands.append(h)
|
|
data.setVarFlag(h, "handler", 1, d)
|
|
data.setVar('__BBHANDLERS', bbhands, d)
|
|
return
|
|
|
|
m = __inherit_regexp__.match(s)
|
|
if m:
|
|
|
|
files = m.group(1)
|
|
n = __word__.findall(files)
|
|
inherit(n, d)
|
|
return
|
|
|
|
from bb.parse import ConfHandler
|
|
return ConfHandler.feeder(lineno, s, fn, d)
|
|
|
|
__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
|
|
if len(parts) > 3:
|
|
raise ParseError("Unable to generate default variables from the filename: %s (too many underscores)" % mypkg)
|
|
exp = 3 - len(parts)
|
|
tmplist = []
|
|
while exp != 0:
|
|
exp -= 1
|
|
tmplist.append(None)
|
|
parts.extend(tmplist)
|
|
return parts
|
|
|
|
def set_additional_vars(file, d, include):
|
|
"""Deduce rest of variables, e.g. ${A} out of ${SRC_URI}"""
|
|
|
|
return
|
|
# Nothing seems to use this variable
|
|
#bb.msg.debug(2, bb.msg.domain.Parsing, "BB %s: set_additional_vars" % file)
|
|
|
|
#src_uri = data.getVar('SRC_URI', d, 1)
|
|
#if not src_uri:
|
|
# return
|
|
|
|
#a = (data.getVar('A', d, 1) or '').split()
|
|
|
|
#from bb import fetch
|
|
#try:
|
|
# ud = fetch.init(src_uri.split(), d)
|
|
# a += fetch.localpaths(d, ud)
|
|
#except fetch.NoMethodError:
|
|
# pass
|
|
#except bb.MalformedUrl,e:
|
|
# raise ParseError("Unable to generate local paths for SRC_URI due to malformed uri: %s" % e)
|
|
#del fetch
|
|
|
|
#data.setVar('A', " ".join(a), d)
|
|
|
|
|
|
# Add us to the handlers list
|
|
from bb.parse import handlers
|
|
handlers.append({'supports': supports, 'handle': handle, 'init': init})
|
|
del handlers
|