diff options
Diffstat (limited to 'import-layers/yocto-poky/bitbake/lib/bb/parse')
5 files changed, 1126 insertions, 0 deletions
diff --git a/import-layers/yocto-poky/bitbake/lib/bb/parse/__init__.py b/import-layers/yocto-poky/bitbake/lib/bb/parse/__init__.py new file mode 100644 index 000000000..26ae7ead8 --- /dev/null +++ b/import-layers/yocto-poky/bitbake/lib/bb/parse/__init__.py @@ -0,0 +1,170 @@ +""" +BitBake Parsers + +File parsers for the BitBake build tools. + +""" + + +# 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. +# +# Based on functions from the base bb module, Copyright 2003 Holger Schurig + +handlers = [] + +import errno +import logging +import os +import stat +import bb +import bb.utils +import bb.siggen + +logger = logging.getLogger("BitBake.Parsing") + +class ParseError(Exception): + """Exception raised when parsing fails""" + def __init__(self, msg, filename, lineno=0): + self.msg = msg + self.filename = filename + self.lineno = lineno + Exception.__init__(self, msg, filename, lineno) + + def __str__(self): + if self.lineno: + return "ParseError at %s:%d: %s" % (self.filename, self.lineno, self.msg) + else: + return "ParseError in %s: %s" % (self.filename, self.msg) + +class SkipRecipe(Exception): + """Exception raised to skip this recipe""" + +class SkipPackage(SkipRecipe): + """Exception raised to skip this recipe (use SkipRecipe in new code)""" + +__mtime_cache = {} +def cached_mtime(f): + if f not in __mtime_cache: + __mtime_cache[f] = os.stat(f)[stat.ST_MTIME] + return __mtime_cache[f] + +def cached_mtime_noerror(f): + if f not in __mtime_cache: + try: + __mtime_cache[f] = os.stat(f)[stat.ST_MTIME] + except OSError: + return 0 + return __mtime_cache[f] + +def update_mtime(f): + try: + __mtime_cache[f] = os.stat(f)[stat.ST_MTIME] + except OSError: + if f in __mtime_cache: + del __mtime_cache[f] + return 0 + return __mtime_cache[f] + +def update_cache(f): + if f in __mtime_cache: + logger.debug(1, "Updating mtime cache for %s" % f) + update_mtime(f) + +def mark_dependency(d, f): + if f.startswith('./'): + f = "%s/%s" % (os.getcwd(), f[2:]) + deps = (d.getVar('__depends', False) or []) + s = (f, cached_mtime_noerror(f)) + if s not in deps: + deps.append(s) + d.setVar('__depends', deps) + +def check_dependency(d, f): + s = (f, cached_mtime_noerror(f)) + deps = (d.getVar('__depends', False) or []) + return s in deps + +def supports(fn, data): + """Returns true if we have a handler for this file, false otherwise""" + for h in handlers: + if h['supports'](fn, data): + return 1 + return 0 + +def handle(fn, data, include = 0): + """Call the handler that is appropriate for this file""" + for h in handlers: + if h['supports'](fn, data): + with data.inchistory.include(fn): + return h['handle'](fn, data, include) + raise ParseError("not a BitBake file", fn) + +def init(fn, data): + for h in handlers: + if h['supports'](fn): + return h['init'](data) + +def init_parser(d): + bb.parse.siggen = bb.siggen.init(d) + +def resolve_file(fn, d): + if not os.path.isabs(fn): + bbpath = d.getVar("BBPATH", True) + newfn, attempts = bb.utils.which(bbpath, fn, history=True) + for af in attempts: + mark_dependency(d, af) + if not newfn: + raise IOError(errno.ENOENT, "file %s not found in %s" % (fn, bbpath)) + fn = newfn + + mark_dependency(d, fn) + if not os.path.isfile(fn): + raise IOError(errno.ENOENT, "file %s not found" % fn) + + return fn + +# Used by OpenEmbedded metadata +__pkgsplit_cache__={} +def vars_from_file(mypkg, d): + if not mypkg or not mypkg.endswith((".bb", ".bbappend")): + 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 filename (too many underscores)", mypkg) + exp = 3 - len(parts) + tmplist = [] + while exp != 0: + exp -= 1 + tmplist.append(None) + parts.extend(tmplist) + return parts + +def get_file_depends(d): + '''Return the dependent files''' + dep_files = [] + depends = d.getVar('__base_depends', False) or [] + depends = depends + (d.getVar('__depends', False) or []) + for (fn, _) in depends: + dep_files.append(os.path.abspath(fn)) + return " ".join(dep_files) + +from bb.parse.parse_py import __version__, ConfHandler, BBHandler diff --git a/import-layers/yocto-poky/bitbake/lib/bb/parse/ast.py b/import-layers/yocto-poky/bitbake/lib/bb/parse/ast.py new file mode 100644 index 000000000..5f55af5ef --- /dev/null +++ b/import-layers/yocto-poky/bitbake/lib/bb/parse/ast.py @@ -0,0 +1,476 @@ +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +""" + AbstractSyntaxTree classes for the Bitbake language +""" + +# Copyright (C) 2003, 2004 Chris Larson +# Copyright (C) 2003, 2004 Phil Blundell +# Copyright (C) 2009 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 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. + +from __future__ import absolute_import +from future_builtins import filter +import re +import string +import logging +import bb +import itertools +from bb import methodpool +from bb.parse import logger + +_bbversions_re = re.compile(r"\[(?P<from>[0-9]+)-(?P<to>[0-9]+)\]") + +class StatementGroup(list): + def eval(self, data): + for statement in self: + statement.eval(data) + +class AstNode(object): + def __init__(self, filename, lineno): + self.filename = filename + self.lineno = lineno + +class IncludeNode(AstNode): + def __init__(self, filename, lineno, what_file, force): + AstNode.__init__(self, filename, lineno) + self.what_file = what_file + self.force = force + + def eval(self, data): + """ + Include the file and evaluate the statements + """ + s = data.expand(self.what_file) + logger.debug(2, "CONF %s:%s: including %s", self.filename, self.lineno, s) + + # TODO: Cache those includes... maybe not here though + if self.force: + bb.parse.ConfHandler.include(self.filename, s, self.lineno, data, "include required") + else: + bb.parse.ConfHandler.include(self.filename, s, self.lineno, data, False) + +class ExportNode(AstNode): + def __init__(self, filename, lineno, var): + AstNode.__init__(self, filename, lineno) + self.var = var + + def eval(self, data): + data.setVarFlag(self.var, "export", 1, op = 'exported') + +class DataNode(AstNode): + """ + Various data related updates. For the sake of sanity + we have one class doing all this. This means that all + this need to be re-evaluated... we might be able to do + that faster with multiple classes. + """ + def __init__(self, filename, lineno, groupd): + AstNode.__init__(self, filename, lineno) + self.groupd = groupd + + def getFunc(self, key, data): + if 'flag' in self.groupd and self.groupd['flag'] != None: + return data.getVarFlag(key, self.groupd['flag'], expand=False, noweakdefault=True) + else: + return data.getVar(key, False, noweakdefault=True, parsing=True) + + def eval(self, data): + groupd = self.groupd + key = groupd["var"] + loginfo = { + 'variable': key, + 'file': self.filename, + 'line': self.lineno, + } + if "exp" in groupd and groupd["exp"] != None: + data.setVarFlag(key, "export", 1, op = 'exported', **loginfo) + + op = "set" + if "ques" in groupd and groupd["ques"] != None: + val = self.getFunc(key, data) + op = "set?" + if val == None: + val = groupd["value"] + elif "colon" in groupd and groupd["colon"] != None: + e = data.createCopy() + bb.data.update_data(e) + op = "immediate" + val = e.expand(groupd["value"], key + "[:=]") + elif "append" in groupd and groupd["append"] != None: + op = "append" + val = "%s %s" % ((self.getFunc(key, data) or ""), groupd["value"]) + elif "prepend" in groupd and groupd["prepend"] != None: + op = "prepend" + val = "%s %s" % (groupd["value"], (self.getFunc(key, data) or "")) + elif "postdot" in groupd and groupd["postdot"] != None: + op = "postdot" + val = "%s%s" % ((self.getFunc(key, data) or ""), groupd["value"]) + elif "predot" in groupd and groupd["predot"] != None: + op = "predot" + val = "%s%s" % (groupd["value"], (self.getFunc(key, data) or "")) + else: + val = groupd["value"] + + flag = None + if 'flag' in groupd and groupd['flag'] != None: + flag = groupd['flag'] + elif groupd["lazyques"]: + flag = "_defaultval" + + loginfo['op'] = op + loginfo['detail'] = groupd["value"] + + if flag: + data.setVarFlag(key, flag, val, **loginfo) + else: + data.setVar(key, val, parsing=True, **loginfo) + +class MethodNode(AstNode): + tr_tbl = string.maketrans('/.+-@%&', '_______') + + def __init__(self, filename, lineno, func_name, body, python, fakeroot): + AstNode.__init__(self, filename, lineno) + self.func_name = func_name + self.body = body + self.python = python + self.fakeroot = fakeroot + + def eval(self, data): + text = '\n'.join(self.body) + funcname = self.func_name + if self.func_name == "__anonymous": + funcname = ("__anon_%s_%s" % (self.lineno, self.filename.translate(MethodNode.tr_tbl))) + self.python = True + text = "def %s(d):\n" % (funcname) + text + bb.methodpool.insert_method(funcname, text, self.filename, self.lineno - len(self.body)) + anonfuncs = data.getVar('__BBANONFUNCS', False) or [] + anonfuncs.append(funcname) + data.setVar('__BBANONFUNCS', anonfuncs) + if data.getVar(funcname, False): + # clean up old version of this piece of metadata, as its + # flags could cause problems + data.delVarFlag(funcname, 'python') + data.delVarFlag(funcname, 'fakeroot') + if self.python: + data.setVarFlag(funcname, "python", "1") + if self.fakeroot: + data.setVarFlag(funcname, "fakeroot", "1") + data.setVarFlag(funcname, "func", 1) + data.setVar(funcname, text, parsing=True) + data.setVarFlag(funcname, 'filename', self.filename) + data.setVarFlag(funcname, 'lineno', str(self.lineno - len(self.body))) + +class PythonMethodNode(AstNode): + def __init__(self, filename, lineno, function, modulename, body): + AstNode.__init__(self, filename, lineno) + self.function = function + self.modulename = modulename + self.body = body + + def eval(self, data): + # Note we will add root to parsedmethods after having parse + # 'this' file. This means we will not parse methods from + # bb classes twice + text = '\n'.join(self.body) + bb.methodpool.insert_method(self.modulename, text, self.filename, self.lineno - len(self.body) - 1) + data.setVarFlag(self.function, "func", 1) + data.setVarFlag(self.function, "python", 1) + data.setVar(self.function, text, parsing=True) + data.setVarFlag(self.function, 'filename', self.filename) + data.setVarFlag(self.function, 'lineno', str(self.lineno - len(self.body) - 1)) + +class ExportFuncsNode(AstNode): + def __init__(self, filename, lineno, fns, classname): + AstNode.__init__(self, filename, lineno) + self.n = fns.split() + self.classname = classname + + def eval(self, data): + + for func in self.n: + calledfunc = self.classname + "_" + func + + if data.getVar(func, False) and not data.getVarFlag(func, 'export_func', False): + continue + + if data.getVar(func, False): + data.setVarFlag(func, 'python', None) + data.setVarFlag(func, 'func', None) + + for flag in [ "func", "python" ]: + if data.getVarFlag(calledfunc, flag, False): + data.setVarFlag(func, flag, data.getVarFlag(calledfunc, flag, False)) + for flag in [ "dirs" ]: + if data.getVarFlag(func, flag, False): + data.setVarFlag(calledfunc, flag, data.getVarFlag(func, flag, False)) + data.setVarFlag(func, "filename", "autogenerated") + data.setVarFlag(func, "lineno", 1) + + if data.getVarFlag(calledfunc, "python", False): + data.setVar(func, " bb.build.exec_func('" + calledfunc + "', d)\n", parsing=True) + else: + if "-" in self.classname: + 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)) + data.setVar(func, " " + calledfunc + "\n", parsing=True) + data.setVarFlag(func, 'export_func', '1') + +class AddTaskNode(AstNode): + def __init__(self, filename, lineno, func, before, after): + AstNode.__init__(self, filename, lineno) + self.func = func + self.before = before + self.after = after + + def eval(self, data): + bb.build.addtask(self.func, self.before, self.after, data) + +class DelTaskNode(AstNode): + def __init__(self, filename, lineno, func): + AstNode.__init__(self, filename, lineno) + self.func = func + + def eval(self, data): + bb.build.deltask(self.func, data) + +class BBHandlerNode(AstNode): + def __init__(self, filename, lineno, fns): + AstNode.__init__(self, filename, lineno) + self.hs = fns.split() + + def eval(self, data): + bbhands = data.getVar('__BBHANDLERS', False) or [] + for h in self.hs: + bbhands.append(h) + data.setVarFlag(h, "handler", 1) + data.setVar('__BBHANDLERS', bbhands) + +class InheritNode(AstNode): + def __init__(self, filename, lineno, classes): + AstNode.__init__(self, filename, lineno) + self.classes = classes + + def eval(self, data): + bb.parse.BBHandler.inherit(self.classes, self.filename, self.lineno, data) + +def handleInclude(statements, filename, lineno, m, force): + statements.append(IncludeNode(filename, lineno, m.group(1), force)) + +def handleExport(statements, filename, lineno, m): + statements.append(ExportNode(filename, lineno, m.group(1))) + +def handleData(statements, filename, lineno, groupd): + statements.append(DataNode(filename, lineno, groupd)) + +def handleMethod(statements, filename, lineno, func_name, body, python, fakeroot): + statements.append(MethodNode(filename, lineno, func_name, body, python, fakeroot)) + +def handlePythonMethod(statements, filename, lineno, funcname, modulename, body): + statements.append(PythonMethodNode(filename, lineno, funcname, modulename, body)) + +def handleExportFuncs(statements, filename, lineno, m, classname): + statements.append(ExportFuncsNode(filename, lineno, m.group(1), classname)) + +def handleAddTask(statements, filename, lineno, m): + func = m.group("func") + before = m.group("before") + after = m.group("after") + if func is None: + return + + statements.append(AddTaskNode(filename, lineno, func, before, after)) + +def handleDelTask(statements, filename, lineno, m): + func = m.group("func") + if func is None: + return + + statements.append(DelTaskNode(filename, lineno, func)) + +def handleBBHandlers(statements, filename, lineno, m): + statements.append(BBHandlerNode(filename, lineno, m.group(1))) + +def handleInherit(statements, filename, lineno, m): + classes = m.group(1) + statements.append(InheritNode(filename, lineno, classes)) + +def finalize(fn, d, variant = None): + all_handlers = {} + for var in d.getVar('__BBHANDLERS', False) or []: + # try to add the handler + handlerfn = d.getVarFlag(var, "filename", False) + handlerln = int(d.getVarFlag(var, "lineno", False)) + bb.event.register(var, d.getVar(var, False), (d.getVarFlag(var, "eventmask", True) or "").split(), handlerfn, handlerln) + + bb.event.fire(bb.event.RecipePreFinalise(fn), d) + + bb.data.expandKeys(d) + bb.data.update_data(d) + code = [] + for funcname in d.getVar("__BBANONFUNCS", False) or []: + code.append("%s(d)" % funcname) + bb.utils.better_exec("\n".join(code), {"d": d}) + bb.data.update_data(d) + + tasklist = d.getVar('__BBTASKS', False) or [] + 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) + +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, variant_d in datastores.items(): + for name in names: + if not variant: + # Based on main recipe + create_variant(name, variant_d) + else: + create_variant("%s-%s" % (variant, name), variant_d, name) + +def _expand_versions(versions): + def expand_one(version, start, end): + for i in xrange(start, end + 1): + ver = _bbversions_re.sub(str(i), version, 1) + yield ver + + versions = iter(versions) + while True: + try: + version = next(versions) + except StopIteration: + break + + range_ver = _bbversions_re.search(version) + if not range_ver: + yield version + else: + newversions = expand_one(version, int(range_ver.group("from")), + int(range_ver.group("to"))) + versions = itertools.chain(newversions, versions) + +def multi_finalize(fn, d): + appends = (d.getVar("__BBAPPEND", True) 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} + + versions = (d.getVar("BBVERSIONS", True) or "").split() + if versions: + pv = orig_pv = d.getVar("PV", True) + baseversions = {} + + def verfunc(ver, d, pv_d = None): + if pv_d is None: + pv_d = d + + overrides = d.getVar("OVERRIDES", True).split(":") + pv_d.setVar("PV", ver) + overrides.append(ver) + bpv = baseversions.get(ver) or orig_pv + pv_d.setVar("BPV", bpv) + overrides.append(bpv) + d.setVar("OVERRIDES", ":".join(overrides)) + + versions = list(_expand_versions(versions)) + for pos, version in enumerate(list(versions)): + try: + pv, bpv = version.split(":", 2) + except ValueError: + pass + else: + versions[pos] = pv + baseversions[pv] = bpv + + if pv in versions and not baseversions.get(pv): + versions.remove(pv) + else: + pv = versions.pop() + + # This is necessary because our existing main datastore + # has already been finalized with the old PV, we need one + # that's been finalized with the new PV. + d = bb.data.createCopy(safe_d) + verfunc(pv, d, safe_d) + try: + finalize(fn, d) + except bb.parse.SkipRecipe as e: + d.setVar("__SKIPPED", e.args[0]) + + _create_variants(datastores, versions, verfunc, onlyfinalise) + + extended = d.getVar("BBCLASSEXTEND", True) 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", True) + 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, variant_d in datastores.iteritems(): + if variant: + try: + if not onlyfinalise or variant in onlyfinalise: + finalize(fn, variant_d, variant) + except bb.parse.SkipRecipe as e: + variant_d.setVar("__SKIPPED", e.args[0]) + + if len(datastores) > 1: + variants = filter(None, datastores.iterkeys()) + safe_d.setVar("__VARIANTS", " ".join(variants)) + + datastores[""] = d + return datastores diff --git a/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/BBHandler.py b/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/BBHandler.py new file mode 100644 index 000000000..ef72c3700 --- /dev/null +++ b/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/BBHandler.py @@ -0,0 +1,254 @@ +#!/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. + +from __future__ import absolute_import +import re, bb, os +import logging +import bb.build, bb.utils +from bb import data + +from . import ConfHandler +from .. import resolve_file, ast, logger, ParseError +from .ConfHandler import include, init + +# For compatibility +bb.deprecate_import(__name__, "bb.parse", ["vars_from_file"]) + +__func_start_regexp__ = re.compile( r"(((?P<py>python)|(?P<fr>fakeroot))\s*)*(?P<func>[\w\.\-\+\{\}\$]+)?\s*\(\s*\)\s*{$" ) +__inherit_regexp__ = re.compile( r"inherit\s+(.+)" ) +__export_func_regexp__ = re.compile( r"EXPORT_FUNCTIONS\s+(.+)" ) +__addtask_regexp__ = re.compile("addtask\s+(?P<func>\w+)\s*((before\s*(?P<before>((.*(?=after))|(.*))))|(after\s*(?P<after>((.*(?=before))|(.*)))))*") +__deltask_regexp__ = re.compile("deltask\s+(?P<func>\w+)") +__addhandler_regexp__ = re.compile( r"addhandler\s+(.+)" ) +__def_regexp__ = re.compile( r"def\s+(\w+).*:" ) +__python_func_regexp__ = re.compile( r"(\s+.*)|(^$)" ) + +__infunc__ = [] +__inpython__ = False +__body__ = [] +__classname__ = "" + +cached_statements = {} + +def supports(fn, d): + """Return True if fn has a supported extension""" + return os.path.splitext(fn)[-1] in [".bb", ".bbclass", ".inc"] + +def inherit(files, fn, lineno, d): + __inherit_cache = d.getVar('__inherit_cache', False) or [] + files = d.expand(files).split() + for file in files: + if not os.path.isabs(file) and not file.endswith(".bbclass"): + file = os.path.join('classes', '%s.bbclass' % file) + + if not os.path.isabs(file): + bbpath = d.getVar("BBPATH", True) + abs_fn, attempts = bb.utils.which(bbpath, file, history=True) + for af in attempts: + if af != abs_fn: + bb.parse.mark_dependency(d, af) + if abs_fn: + file = abs_fn + + if not file in __inherit_cache: + logger.debug(1, "Inheriting %s (from %s:%d)" % (file, fn, lineno)) + __inherit_cache.append( file ) + d.setVar('__inherit_cache', __inherit_cache) + include(fn, file, lineno, d, "inherit") + __inherit_cache = d.getVar('__inherit_cache', False) or [] + +def get_statements(filename, absolute_filename, base_name): + global cached_statements + + try: + return cached_statements[absolute_filename] + except KeyError: + file = open(absolute_filename, 'r') + statements = ast.StatementGroup() + + lineno = 0 + while True: + lineno = lineno + 1 + s = file.readline() + if not s: break + s = s.rstrip() + feeder(lineno, s, filename, base_name, statements) + file.close() + if __inpython__: + # add a blank line to close out any python definition + feeder(lineno, "", filename, base_name, statements, eof=True) + + if filename.endswith(".bbclass") or filename.endswith(".inc"): + cached_statements[absolute_filename] = statements + return statements + +def handle(fn, d, include): + global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __infunc__, __body__, __residue__, __classname__ + __body__ = [] + __infunc__ = [] + __classname__ = "" + __residue__ = [] + + base_name = os.path.basename(fn) + (root, ext) = os.path.splitext(base_name) + init(d) + + if ext == ".bbclass": + __classname__ = root + __inherit_cache = d.getVar('__inherit_cache', False) or [] + if not fn in __inherit_cache: + __inherit_cache.append(fn) + d.setVar('__inherit_cache', __inherit_cache) + + if include != 0: + oldfile = d.getVar('FILE', False) + else: + oldfile = None + + abs_fn = resolve_file(fn, d) + + if include: + bb.parse.mark_dependency(d, abs_fn) + + # actual loading + statements = get_statements(fn, abs_fn, base_name) + + # DONE WITH PARSING... time to evaluate + if ext != ".bbclass" and abs_fn != oldfile: + d.setVar('FILE', abs_fn) + + try: + statements.eval(d) + except bb.parse.SkipRecipe: + bb.data.setVar("__SKIPPED", True, d) + if include == 0: + return { "" : d } + + if __infunc__: + raise ParseError("Shell function %s is never closed" % __infunc__[0], __infunc__[1], __infunc__[2]) + if __residue__: + raise ParseError("Leftover unparsed (incomplete?) data %s from %s" % __residue__, fn) + + if ext != ".bbclass" and include == 0: + return ast.multi_finalize(fn, d) + + if ext != ".bbclass" and oldfile and abs_fn != oldfile: + d.setVar("FILE", oldfile) + + return d + +def feeder(lineno, s, fn, root, statements, eof=False): + global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __def_regexp__, __python_func_regexp__, __inpython__, __infunc__, __body__, bb, __residue__, __classname__ + if __infunc__: + if s == '}': + __body__.append('') + ast.handleMethod(statements, fn, lineno, __infunc__[0], __body__, __infunc__[3], __infunc__[4]) + __infunc__ = [] + __body__ = [] + else: + __body__.append(s) + return + + if __inpython__: + m = __python_func_regexp__.match(s) + if m and not eof: + __body__.append(s) + return + else: + ast.handlePythonMethod(statements, fn, lineno, __inpython__, + root, __body__) + __body__ = [] + __inpython__ = False + + if eof: + return + + if s and s[0] == '#': + if len(__residue__) != 0 and __residue__[0][0] != "#": + bb.fatal("There is a comment on line %s of file %s (%s) which is in the middle of a multiline expression.\nBitbake used to ignore these but no longer does so, please fix your metadata as errors are likely as a result of this change." % (lineno, fn, s)) + + if len(__residue__) != 0 and __residue__[0][0] == "#" and (not s or s[0] != "#"): + bb.fatal("There is a confusing multiline, partially commented expression on line %s of file %s (%s).\nPlease clarify whether this is all a comment or should be parsed." % (lineno, fn, s)) + + if s and s[-1] == '\\': + __residue__.append(s[:-1]) + return + + s = "".join(__residue__) + s + __residue__ = [] + + # Skip empty lines + if s == '': + return + + # Skip comments + if s[0] == '#': + return + + m = __func_start_regexp__.match(s) + if m: + __infunc__ = [m.group("func") or "__anonymous", fn, lineno, m.group("py") is not None, m.group("fr") is not None] + return + + m = __def_regexp__.match(s) + if m: + __body__.append(s) + __inpython__ = m.group(1) + + return + + m = __export_func_regexp__.match(s) + if m: + ast.handleExportFuncs(statements, fn, lineno, m, __classname__) + return + + m = __addtask_regexp__.match(s) + if m: + ast.handleAddTask(statements, fn, lineno, m) + return + + m = __deltask_regexp__.match(s) + if m: + ast.handleDelTask(statements, fn, lineno, m) + return + + m = __addhandler_regexp__.match(s) + if m: + ast.handleBBHandlers(statements, fn, lineno, m) + return + + m = __inherit_regexp__.match(s) + if m: + ast.handleInherit(statements, fn, lineno, m) + return + + return ConfHandler.feeder(lineno, s, fn, statements) + +# Add us to the handlers list +from .. import handlers +handlers.append({'supports': supports, 'handle': handle, 'init': init}) +del handlers diff --git a/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py b/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py new file mode 100644 index 000000000..fbd75b14a --- /dev/null +++ b/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py @@ -0,0 +1,193 @@ +#!/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 configuration data files + + Reads a .conf 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 errno +import re +import os +import bb.utils +from bb.parse import ParseError, resolve_file, ast, logger, handle + +__config_regexp__ = re.compile( r""" + ^ + (?P<exp>export\s*)? + (?P<var>[a-zA-Z0-9\-~_+.${}/]+?) + (\[(?P<flag>[a-zA-Z0-9\-_+.]+)\])? + + \s* ( + (?P<colon>:=) | + (?P<lazyques>\?\?=) | + (?P<ques>\?=) | + (?P<append>\+=) | + (?P<prepend>=\+) | + (?P<predot>=\.) | + (?P<postdot>\.=) | + = + ) \s* + + (?!'[^']*'[^']*'$) + (?!\"[^\"]*\"[^\"]*\"$) + (?P<apo>['\"]) + (?P<value>.*) + (?P=apo) + $ + """, re.X) +__include_regexp__ = re.compile( r"include\s+(.+)" ) +__require_regexp__ = re.compile( r"require\s+(.+)" ) +__export_regexp__ = re.compile( r"export\s+([a-zA-Z0-9\-_+.${}/]+)$" ) + +def init(data): + topdir = data.getVar('TOPDIR', False) + if not topdir: + data.setVar('TOPDIR', os.getcwd()) + + +def supports(fn, d): + return fn[-5:] == ".conf" + +def include(parentfn, fn, lineno, data, error_out): + """ + error_out: A string indicating the verb (e.g. "include", "inherit") to be + used in a ParseError that will be raised if the file to be included could + not be included. Specify False to avoid raising an error in this case. + """ + if parentfn == fn: # prevent infinite recursion + return None + + fn = data.expand(fn) + parentfn = data.expand(parentfn) + + if not os.path.isabs(fn): + dname = os.path.dirname(parentfn) + bbpath = "%s:%s" % (dname, data.getVar("BBPATH", True)) + abs_fn, attempts = bb.utils.which(bbpath, fn, history=True) + if abs_fn and bb.parse.check_dependency(data, abs_fn): + logger.warn("Duplicate inclusion for %s in %s" % (abs_fn, data.getVar('FILE', True))) + for af in attempts: + bb.parse.mark_dependency(data, af) + if abs_fn: + fn = abs_fn + elif bb.parse.check_dependency(data, fn): + logger.warn("Duplicate inclusion for %s in %s" % (fn, data.getVar('FILE', True))) + + try: + bb.parse.handle(fn, data, True) + except (IOError, OSError) as exc: + if exc.errno == errno.ENOENT: + if error_out: + raise ParseError("Could not %s file %s" % (error_out, fn), parentfn, lineno) + logger.debug(2, "CONF file '%s' not found", fn) + else: + if error_out: + raise ParseError("Could not %s file %s: %s" % (error_out, fn, exc.strerror), parentfn, lineno) + else: + raise ParseError("Error parsing %s: %s" % (fn, exc.strerror), parentfn, lineno) + +# We have an issue where a UI might want to enforce particular settings such as +# an empty DISTRO variable. If configuration files do something like assigning +# a weak default, it turns out to be very difficult to filter out these changes, +# particularly when the weak default might appear half way though parsing a chain +# of configuration files. We therefore let the UIs hook into configuration file +# parsing. This turns out to be a hard problem to solve any other way. +confFilters = [] + +def handle(fn, data, include): + init(data) + + if include == 0: + oldfile = None + else: + oldfile = data.getVar('FILE', False) + + abs_fn = resolve_file(fn, data) + f = open(abs_fn, 'r') + + if include: + bb.parse.mark_dependency(data, abs_fn) + + statements = ast.StatementGroup() + lineno = 0 + while True: + lineno = lineno + 1 + s = f.readline() + if not s: + break + w = s.strip() + # skip empty lines + if not w: + continue + s = s.rstrip() + while s[-1] == '\\': + s2 = f.readline().strip() + lineno = lineno + 1 + if (not s2 or s2 and s2[0] != "#") and s[0] == "#" : + bb.fatal("There is a confusing multiline, partially commented expression on line %s of file %s (%s).\nPlease clarify whether this is all a comment or should be parsed." % (lineno, fn, s)) + s = s[:-1] + s2 + # skip comments + if s[0] == '#': + continue + feeder(lineno, s, abs_fn, statements) + + # DONE WITH PARSING... time to evaluate + data.setVar('FILE', abs_fn) + statements.eval(data) + if oldfile: + data.setVar('FILE', oldfile) + + f.close() + + for f in confFilters: + f(fn, data) + + return data + +def feeder(lineno, s, fn, statements): + m = __config_regexp__.match(s) + if m: + groupd = m.groupdict() + ast.handleData(statements, fn, lineno, groupd) + return + + m = __include_regexp__.match(s) + if m: + ast.handleInclude(statements, fn, lineno, m, False) + return + + m = __require_regexp__.match(s) + if m: + ast.handleInclude(statements, fn, lineno, m, True) + return + + m = __export_regexp__.match(s) + if m: + ast.handleExport(statements, fn, lineno, m) + return + + raise ParseError("unparsed line: '%s'" % s, fn, lineno); + +# Add us to the handlers list +from bb.parse import handlers +handlers.append({'supports': supports, 'handle': handle, 'init': init}) +del handlers diff --git a/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/__init__.py b/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/__init__.py new file mode 100644 index 000000000..3e658d0de --- /dev/null +++ b/import-layers/yocto-poky/bitbake/lib/bb/parse/parse_py/__init__.py @@ -0,0 +1,33 @@ +#!/usr/bin/env python +# ex:ts=4:sw=4:sts=4:et +# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- +""" +BitBake Parsers + +File parsers for the BitBake build tools. + +""" + +# 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. +# +# Based on functions from the base bb module, Copyright 2003 Holger Schurig + +from __future__ import absolute_import +from . import ConfHandler +from . import BBHandler + +__version__ = '1.0' |
