| # 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. |
| |
| |
| import re |
| import string |
| import logging |
| import bb |
| import itertools |
| from bb import methodpool |
| from bb.parse import logger |
| |
| 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 UnsetNode(AstNode): |
| def __init__(self, filename, lineno, var): |
| AstNode.__init__(self, filename, lineno) |
| self.var = var |
| |
| def eval(self, data): |
| loginfo = { |
| 'variable': self.var, |
| 'file': self.filename, |
| 'line': self.lineno, |
| } |
| data.delVar(self.var,**loginfo) |
| |
| class UnsetFlagNode(AstNode): |
| def __init__(self, filename, lineno, var, flag): |
| AstNode.__init__(self, filename, lineno) |
| self.var = var |
| self.flag = flag |
| |
| def eval(self, data): |
| loginfo = { |
| 'variable': self.var, |
| 'file': self.filename, |
| 'line': self.lineno, |
| } |
| data.delVarFlag(self.var, self.flag, **loginfo) |
| |
| 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() |
| 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 = str.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) - 1) |
| 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 handleUnset(statements, filename, lineno, m): |
| statements.append(UnsetNode(filename, lineno, m.group(1))) |
| |
| def handleUnsetFlag(statements, filename, lineno, m): |
| statements.append(UnsetFlagNode(filename, lineno, m.group(1), m.group(2))) |
| |
| 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 runAnonFuncs(d): |
| code = [] |
| for funcname in d.getVar("__BBANONFUNCS", False) or []: |
| code.append("%s(d)" % funcname) |
| bb.utils.better_exec("\n".join(code), {"d": d}) |
| |
| def finalize(fn, d, variant = None): |
| saved_handlers = bb.event.get_handlers().copy() |
| try: |
| for var in d.getVar('__BBHANDLERS', False) or []: |
| # try to add the handler |
| handlerfn = d.getVarFlag(var, "filename", False) |
| if not handlerfn: |
| bb.fatal("Undefined event handler function '%s'" % var) |
| handlerln = int(d.getVarFlag(var, "lineno", False)) |
| bb.event.register(var, d.getVar(var, False), (d.getVarFlag(var, "eventmask") or "").split(), handlerfn, handlerln) |
| |
| bb.event.fire(bb.event.RecipePreFinalise(fn), d) |
| |
| bb.data.expandKeys(d) |
| runAnonFuncs(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) |
| finally: |
| 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 |