440 lines
16 KiB
Python
440 lines
16 KiB
Python
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# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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"""
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AbstractSyntaxTree classes for the Bitbake language
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"""
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# Copyright (C) 2003, 2004 Chris Larson
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# Copyright (C) 2003, 2004 Phil Blundell
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# Copyright (C) 2009 Holger Hans Peter Freyther
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import re
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import string
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import logging
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import bb
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import itertools
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from bb import methodpool
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from bb.parse import logger
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class StatementGroup(list):
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def eval(self, data):
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for statement in self:
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statement.eval(data)
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class AstNode(object):
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def __init__(self, filename, lineno):
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self.filename = filename
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self.lineno = lineno
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class IncludeNode(AstNode):
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def __init__(self, filename, lineno, what_file, force):
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AstNode.__init__(self, filename, lineno)
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self.what_file = what_file
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self.force = force
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def eval(self, data):
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"""
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Include the file and evaluate the statements
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"""
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s = data.expand(self.what_file)
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logger.debug(2, "CONF %s:%s: including %s", self.filename, self.lineno, s)
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# TODO: Cache those includes... maybe not here though
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if self.force:
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bb.parse.ConfHandler.include(self.filename, s, self.lineno, data, "include required")
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else:
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bb.parse.ConfHandler.include(self.filename, s, self.lineno, data, False)
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class ExportNode(AstNode):
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def __init__(self, filename, lineno, var):
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AstNode.__init__(self, filename, lineno)
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self.var = var
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def eval(self, data):
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data.setVarFlag(self.var, "export", 1, op = 'exported')
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class UnsetNode(AstNode):
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def __init__(self, filename, lineno, var):
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AstNode.__init__(self, filename, lineno)
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self.var = var
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def eval(self, data):
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loginfo = {
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'variable': self.var,
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'file': self.filename,
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'line': self.lineno,
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}
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data.delVar(self.var,**loginfo)
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class UnsetFlagNode(AstNode):
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def __init__(self, filename, lineno, var, flag):
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AstNode.__init__(self, filename, lineno)
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self.var = var
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self.flag = flag
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def eval(self, data):
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loginfo = {
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'variable': self.var,
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'file': self.filename,
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'line': self.lineno,
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}
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data.delVarFlag(self.var, self.flag, **loginfo)
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class DataNode(AstNode):
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"""
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Various data related updates. For the sake of sanity
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we have one class doing all this. This means that all
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this need to be re-evaluated... we might be able to do
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that faster with multiple classes.
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"""
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def __init__(self, filename, lineno, groupd):
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AstNode.__init__(self, filename, lineno)
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self.groupd = groupd
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def getFunc(self, key, data):
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if 'flag' in self.groupd and self.groupd['flag'] != None:
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return data.getVarFlag(key, self.groupd['flag'], expand=False, noweakdefault=True)
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else:
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return data.getVar(key, False, noweakdefault=True, parsing=True)
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def eval(self, data):
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groupd = self.groupd
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key = groupd["var"]
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loginfo = {
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'variable': key,
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'file': self.filename,
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'line': self.lineno,
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}
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if "exp" in groupd and groupd["exp"] != None:
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data.setVarFlag(key, "export", 1, op = 'exported', **loginfo)
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op = "set"
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if "ques" in groupd and groupd["ques"] != None:
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val = self.getFunc(key, data)
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op = "set?"
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if val == None:
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val = groupd["value"]
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elif "colon" in groupd and groupd["colon"] != None:
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e = data.createCopy()
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op = "immediate"
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val = e.expand(groupd["value"], key + "[:=]")
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elif "append" in groupd and groupd["append"] != None:
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op = "append"
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val = "%s %s" % ((self.getFunc(key, data) or ""), groupd["value"])
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elif "prepend" in groupd and groupd["prepend"] != None:
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op = "prepend"
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val = "%s %s" % (groupd["value"], (self.getFunc(key, data) or ""))
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elif "postdot" in groupd and groupd["postdot"] != None:
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op = "postdot"
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val = "%s%s" % ((self.getFunc(key, data) or ""), groupd["value"])
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elif "predot" in groupd and groupd["predot"] != None:
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op = "predot"
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val = "%s%s" % (groupd["value"], (self.getFunc(key, data) or ""))
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else:
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val = groupd["value"]
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flag = None
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if 'flag' in groupd and groupd['flag'] != None:
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flag = groupd['flag']
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elif groupd["lazyques"]:
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flag = "_defaultval"
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loginfo['op'] = op
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loginfo['detail'] = groupd["value"]
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if flag:
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data.setVarFlag(key, flag, val, **loginfo)
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else:
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data.setVar(key, val, parsing=True, **loginfo)
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class MethodNode(AstNode):
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tr_tbl = str.maketrans('/.+-@%&', '_______')
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def __init__(self, filename, lineno, func_name, body, python, fakeroot):
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AstNode.__init__(self, filename, lineno)
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self.func_name = func_name
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self.body = body
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self.python = python
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self.fakeroot = fakeroot
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def eval(self, data):
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text = '\n'.join(self.body)
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funcname = self.func_name
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if self.func_name == "__anonymous":
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funcname = ("__anon_%s_%s" % (self.lineno, self.filename.translate(MethodNode.tr_tbl)))
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self.python = True
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text = "def %s(d):\n" % (funcname) + text
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bb.methodpool.insert_method(funcname, text, self.filename, self.lineno - len(self.body))
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anonfuncs = data.getVar('__BBANONFUNCS', False) or []
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anonfuncs.append(funcname)
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data.setVar('__BBANONFUNCS', anonfuncs)
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if data.getVar(funcname, False):
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# clean up old version of this piece of metadata, as its
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# flags could cause problems
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data.delVarFlag(funcname, 'python')
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data.delVarFlag(funcname, 'fakeroot')
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if self.python:
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data.setVarFlag(funcname, "python", "1")
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if self.fakeroot:
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data.setVarFlag(funcname, "fakeroot", "1")
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data.setVarFlag(funcname, "func", 1)
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data.setVar(funcname, text, parsing=True)
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data.setVarFlag(funcname, 'filename', self.filename)
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data.setVarFlag(funcname, 'lineno', str(self.lineno - len(self.body)))
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class PythonMethodNode(AstNode):
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def __init__(self, filename, lineno, function, modulename, body):
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AstNode.__init__(self, filename, lineno)
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self.function = function
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self.modulename = modulename
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self.body = body
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def eval(self, data):
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# Note we will add root to parsedmethods after having parse
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# 'this' file. This means we will not parse methods from
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# bb classes twice
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text = '\n'.join(self.body)
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bb.methodpool.insert_method(self.modulename, text, self.filename, self.lineno - len(self.body) - 1)
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data.setVarFlag(self.function, "func", 1)
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data.setVarFlag(self.function, "python", 1)
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data.setVar(self.function, text, parsing=True)
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data.setVarFlag(self.function, 'filename', self.filename)
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data.setVarFlag(self.function, 'lineno', str(self.lineno - len(self.body) - 1))
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class ExportFuncsNode(AstNode):
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def __init__(self, filename, lineno, fns, classname):
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AstNode.__init__(self, filename, lineno)
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self.n = fns.split()
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self.classname = classname
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def eval(self, data):
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for func in self.n:
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calledfunc = self.classname + "_" + func
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if data.getVar(func, False) and not data.getVarFlag(func, 'export_func', False):
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continue
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if data.getVar(func, False):
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data.setVarFlag(func, 'python', None)
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data.setVarFlag(func, 'func', None)
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for flag in [ "func", "python" ]:
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if data.getVarFlag(calledfunc, flag, False):
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data.setVarFlag(func, flag, data.getVarFlag(calledfunc, flag, False))
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for flag in [ "dirs" ]:
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if data.getVarFlag(func, flag, False):
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data.setVarFlag(calledfunc, flag, data.getVarFlag(func, flag, False))
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data.setVarFlag(func, "filename", "autogenerated")
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data.setVarFlag(func, "lineno", 1)
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if data.getVarFlag(calledfunc, "python", False):
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data.setVar(func, " bb.build.exec_func('" + calledfunc + "', d)\n", parsing=True)
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else:
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if "-" in self.classname:
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bb.fatal("The classname %s contains a dash character and is calling an sh function %s using EXPORT_FUNCTIONS. Since a dash is illegal in sh function names, this cannot work, please rename the class or don't use EXPORT_FUNCTIONS." % (self.classname, calledfunc))
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data.setVar(func, " " + calledfunc + "\n", parsing=True)
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data.setVarFlag(func, 'export_func', '1')
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class AddTaskNode(AstNode):
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def __init__(self, filename, lineno, func, before, after):
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AstNode.__init__(self, filename, lineno)
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self.func = func
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self.before = before
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self.after = after
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def eval(self, data):
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bb.build.addtask(self.func, self.before, self.after, data)
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class DelTaskNode(AstNode):
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def __init__(self, filename, lineno, func):
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AstNode.__init__(self, filename, lineno)
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self.func = func
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def eval(self, data):
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bb.build.deltask(self.func, data)
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class BBHandlerNode(AstNode):
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def __init__(self, filename, lineno, fns):
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AstNode.__init__(self, filename, lineno)
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self.hs = fns.split()
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def eval(self, data):
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bbhands = data.getVar('__BBHANDLERS', False) or []
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for h in self.hs:
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bbhands.append(h)
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data.setVarFlag(h, "handler", 1)
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data.setVar('__BBHANDLERS', bbhands)
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class InheritNode(AstNode):
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def __init__(self, filename, lineno, classes):
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AstNode.__init__(self, filename, lineno)
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self.classes = classes
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def eval(self, data):
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bb.parse.BBHandler.inherit(self.classes, self.filename, self.lineno, data)
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def handleInclude(statements, filename, lineno, m, force):
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statements.append(IncludeNode(filename, lineno, m.group(1), force))
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def handleExport(statements, filename, lineno, m):
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statements.append(ExportNode(filename, lineno, m.group(1)))
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def handleUnset(statements, filename, lineno, m):
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statements.append(UnsetNode(filename, lineno, m.group(1)))
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def handleUnsetFlag(statements, filename, lineno, m):
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statements.append(UnsetFlagNode(filename, lineno, m.group(1), m.group(2)))
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def handleData(statements, filename, lineno, groupd):
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statements.append(DataNode(filename, lineno, groupd))
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def handleMethod(statements, filename, lineno, func_name, body, python, fakeroot):
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statements.append(MethodNode(filename, lineno, func_name, body, python, fakeroot))
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def handlePythonMethod(statements, filename, lineno, funcname, modulename, body):
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statements.append(PythonMethodNode(filename, lineno, funcname, modulename, body))
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def handleExportFuncs(statements, filename, lineno, m, classname):
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statements.append(ExportFuncsNode(filename, lineno, m.group(1), classname))
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def handleAddTask(statements, filename, lineno, m):
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func = m.group("func")
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before = m.group("before")
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after = m.group("after")
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if func is None:
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return
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statements.append(AddTaskNode(filename, lineno, func, before, after))
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def handleDelTask(statements, filename, lineno, m):
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func = m.group("func")
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if func is None:
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return
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statements.append(DelTaskNode(filename, lineno, func))
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def handleBBHandlers(statements, filename, lineno, m):
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statements.append(BBHandlerNode(filename, lineno, m.group(1)))
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def handleInherit(statements, filename, lineno, m):
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classes = m.group(1)
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statements.append(InheritNode(filename, lineno, classes))
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def finalize(fn, d, variant = None):
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saved_handlers = bb.event.get_handlers().copy()
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for var in d.getVar('__BBHANDLERS', False) or []:
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# try to add the handler
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handlerfn = d.getVarFlag(var, "filename", False)
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if not handlerfn:
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bb.fatal("Undefined event handler function '%s'" % var)
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handlerln = int(d.getVarFlag(var, "lineno", False))
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bb.event.register(var, d.getVar(var, False), (d.getVarFlag(var, "eventmask") or "").split(), handlerfn, handlerln)
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bb.event.fire(bb.event.RecipePreFinalise(fn), d)
|
||
|
|
|
||
|
|
bb.data.expandKeys(d)
|
||
|
|
code = []
|
||
|
|
for funcname in d.getVar("__BBANONFUNCS", False) or []:
|
||
|
|
code.append("%s(d)" % funcname)
|
||
|
|
bb.utils.better_exec("\n".join(code), {"d": d})
|
||
|
|
|
||
|
|
tasklist = d.getVar('__BBTASKS', False) or []
|
||
|
|
bb.event.fire(bb.event.RecipeTaskPreProcess(fn, list(tasklist)), d)
|
||
|
|
bb.build.add_tasks(tasklist, d)
|
||
|
|
|
||
|
|
bb.parse.siggen.finalise(fn, d, variant)
|
||
|
|
|
||
|
|
d.setVar('BBINCLUDED', bb.parse.get_file_depends(d))
|
||
|
|
|
||
|
|
bb.event.fire(bb.event.RecipeParsed(fn), d)
|
||
|
|
bb.event.set_handlers(saved_handlers)
|
||
|
|
|
||
|
|
def _create_variants(datastores, names, function, onlyfinalise):
|
||
|
|
def create_variant(name, orig_d, arg = None):
|
||
|
|
if onlyfinalise and name not in onlyfinalise:
|
||
|
|
return
|
||
|
|
new_d = bb.data.createCopy(orig_d)
|
||
|
|
function(arg or name, new_d)
|
||
|
|
datastores[name] = new_d
|
||
|
|
|
||
|
|
for variant in list(datastores.keys()):
|
||
|
|
for name in names:
|
||
|
|
if not variant:
|
||
|
|
# Based on main recipe
|
||
|
|
create_variant(name, datastores[""])
|
||
|
|
else:
|
||
|
|
create_variant("%s-%s" % (variant, name), datastores[variant], name)
|
||
|
|
|
||
|
|
def multi_finalize(fn, d):
|
||
|
|
appends = (d.getVar("__BBAPPEND") or "").split()
|
||
|
|
for append in appends:
|
||
|
|
logger.debug(1, "Appending .bbappend file %s to %s", append, fn)
|
||
|
|
bb.parse.BBHandler.handle(append, d, True)
|
||
|
|
|
||
|
|
onlyfinalise = d.getVar("__ONLYFINALISE", False)
|
||
|
|
|
||
|
|
safe_d = d
|
||
|
|
d = bb.data.createCopy(safe_d)
|
||
|
|
try:
|
||
|
|
finalize(fn, d)
|
||
|
|
except bb.parse.SkipRecipe as e:
|
||
|
|
d.setVar("__SKIPPED", e.args[0])
|
||
|
|
datastores = {"": safe_d}
|
||
|
|
|
||
|
|
extended = d.getVar("BBCLASSEXTEND") or ""
|
||
|
|
if extended:
|
||
|
|
# the following is to support bbextends with arguments, for e.g. multilib
|
||
|
|
# an example is as follows:
|
||
|
|
# BBCLASSEXTEND = "multilib:lib32"
|
||
|
|
# it will create foo-lib32, inheriting multilib.bbclass and set
|
||
|
|
# BBEXTENDCURR to "multilib" and BBEXTENDVARIANT to "lib32"
|
||
|
|
extendedmap = {}
|
||
|
|
variantmap = {}
|
||
|
|
|
||
|
|
for ext in extended.split():
|
||
|
|
eext = ext.split(':', 2)
|
||
|
|
if len(eext) > 1:
|
||
|
|
extendedmap[ext] = eext[0]
|
||
|
|
variantmap[ext] = eext[1]
|
||
|
|
else:
|
||
|
|
extendedmap[ext] = ext
|
||
|
|
|
||
|
|
pn = d.getVar("PN")
|
||
|
|
def extendfunc(name, d):
|
||
|
|
if name != extendedmap[name]:
|
||
|
|
d.setVar("BBEXTENDCURR", extendedmap[name])
|
||
|
|
d.setVar("BBEXTENDVARIANT", variantmap[name])
|
||
|
|
else:
|
||
|
|
d.setVar("PN", "%s-%s" % (pn, name))
|
||
|
|
bb.parse.BBHandler.inherit(extendedmap[name], fn, 0, d)
|
||
|
|
|
||
|
|
safe_d.setVar("BBCLASSEXTEND", extended)
|
||
|
|
_create_variants(datastores, extendedmap.keys(), extendfunc, onlyfinalise)
|
||
|
|
|
||
|
|
for variant in datastores.keys():
|
||
|
|
if variant:
|
||
|
|
try:
|
||
|
|
if not onlyfinalise or variant in onlyfinalise:
|
||
|
|
finalize(fn, datastores[variant], variant)
|
||
|
|
except bb.parse.SkipRecipe as e:
|
||
|
|
datastores[variant].setVar("__SKIPPED", e.args[0])
|
||
|
|
|
||
|
|
datastores[""] = d
|
||
|
|
return datastores
|