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Diffstat (limited to 'bitbake/lib/bb/parse/ast.py')
| -rw-r--r-- | bitbake/lib/bb/parse/ast.py | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/bitbake/lib/bb/parse/ast.py b/bitbake/lib/bb/parse/ast.py deleted file mode 100644 index b968db40b..000000000 --- a/bitbake/lib/bb/parse/ast.py +++ /dev/null @@ -1,446 +0,0 @@ -# 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 - -__parsed_methods__ = bb.methodpool.get_parsed_dict() -_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 = bb.data.expand(self.what_file, data) - 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, data, "include required") - else: - bb.parse.ConfHandler.include(self.filename, s, data, False) - -class ExportNode(AstNode): - def __init__(self, filename, lineno, var): - AstNode.__init__(self, filename, lineno) - self.var = var - - def eval(self, data): - bb.data.setVarFlag(self.var, "export", 1, data) - -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 bb.data.getVarFlag(key, self.groupd['flag'], data) - else: - return bb.data.getVar(key, data) - - def eval(self, data): - groupd = self.groupd - key = groupd["var"] - if "exp" in groupd and groupd["exp"] != None: - bb.data.setVarFlag(key, "export", 1, data) - if "ques" in groupd and groupd["ques"] != None: - val = self.getFunc(key, data) - if val == None: - val = groupd["value"] - elif "colon" in groupd and groupd["colon"] != None: - e = data.createCopy() - bb.data.update_data(e) - val = bb.data.expand(groupd["value"], e) - elif "append" in groupd and groupd["append"] != None: - val = "%s %s" % ((self.getFunc(key, data) or ""), groupd["value"]) - elif "prepend" in groupd and groupd["prepend"] != None: - val = "%s %s" % (groupd["value"], (self.getFunc(key, data) or "")) - elif "postdot" in groupd and groupd["postdot"] != None: - val = "%s%s" % ((self.getFunc(key, data) or ""), groupd["value"]) - elif "predot" in groupd and groupd["predot"] != None: - val = "%s%s" % (groupd["value"], (self.getFunc(key, data) or "")) - else: - val = groupd["value"] - - if 'flag' in groupd and groupd['flag'] != None: - bb.data.setVarFlag(key, groupd['flag'], val, data) - elif groupd["lazyques"]: - bb.data.setVarFlag(key, "defaultval", val, data) - else: - bb.data.setVar(key, val, data) - -class MethodNode(AstNode): - def __init__(self, filename, lineno, func_name, body): - AstNode.__init__(self, filename, lineno) - self.func_name = func_name - self.body = body - - def eval(self, data): - if self.func_name == "__anonymous": - funcname = ("__anon_%s_%s" % (self.lineno, self.filename.translate(string.maketrans('/.+-', '____')))) - if not funcname in bb.methodpool._parsed_fns: - text = "def %s(d):\n" % (funcname) + '\n'.join(self.body) - bb.methodpool.insert_method(funcname, text, self.filename) - anonfuncs = bb.data.getVar('__BBANONFUNCS', data) or [] - anonfuncs.append(funcname) - bb.data.setVar('__BBANONFUNCS', anonfuncs, data) - else: - bb.data.setVarFlag(self.func_name, "func", 1, data) - bb.data.setVar(self.func_name, '\n'.join(self.body), data) - -class PythonMethodNode(AstNode): - def __init__(self, filename, lineno, function, define, body): - AstNode.__init__(self, filename, lineno) - self.function = function - self.define = define - 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) - if not bb.methodpool.parsed_module(self.define): - bb.methodpool.insert_method(self.define, text, self.filename) - bb.data.setVarFlag(self.function, "func", 1, data) - bb.data.setVarFlag(self.function, "python", 1, data) - bb.data.setVar(self.function, text, data) - -class MethodFlagsNode(AstNode): - def __init__(self, filename, lineno, key, m): - AstNode.__init__(self, filename, lineno) - self.key = key - self.m = m - - def eval(self, data): - if bb.data.getVar(self.key, data): - # clean up old version of this piece of metadata, as its - # flags could cause problems - bb.data.setVarFlag(self.key, 'python', None, data) - bb.data.setVarFlag(self.key, 'fakeroot', None, data) - if self.m.group("py") is not None: - bb.data.setVarFlag(self.key, "python", "1", data) - else: - bb.data.delVarFlag(self.key, "python", data) - if self.m.group("fr") is not None: - bb.data.setVarFlag(self.key, "fakeroot", "1", data) - else: - bb.data.delVarFlag(self.key, "fakeroot", data) - -class ExportFuncsNode(AstNode): - def __init__(self, filename, lineno, fns, classes): - AstNode.__init__(self, filename, lineno) - self.n = fns.split() - self.classes = classes - - def eval(self, data): - for f in self.n: - allvars = [] - allvars.append(f) - allvars.append(self.classes[-1] + "_" + f) - - vars = [[ allvars[0], allvars[1] ]] - if len(self.classes) > 1 and self.classes[-2] is not None: - allvars.append(self.classes[-2] + "_" + f) - vars = [] - vars.append([allvars[2], allvars[1]]) - vars.append([allvars[0], allvars[2]]) - - for (var, calledvar) in vars: - if bb.data.getVar(var, data) and not bb.data.getVarFlag(var, 'export_func', data): - continue - - if bb.data.getVar(var, data): - bb.data.setVarFlag(var, 'python', None, data) - bb.data.setVarFlag(var, 'func', None, data) - - for flag in [ "func", "python" ]: - if bb.data.getVarFlag(calledvar, flag, data): - bb.data.setVarFlag(var, flag, bb.data.getVarFlag(calledvar, flag, data), data) - for flag in [ "dirs" ]: - if bb.data.getVarFlag(var, flag, data): - bb.data.setVarFlag(calledvar, flag, bb.data.getVarFlag(var, flag, data), data) - - if bb.data.getVarFlag(calledvar, "python", data): - bb.data.setVar(var, "\tbb.build.exec_func('" + calledvar + "', d)\n", data) - else: - bb.data.setVar(var, "\t" + calledvar + "\n", data) - bb.data.setVarFlag(var, 'export_func', '1', data) - -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): - var = self.func - if self.func[:3] != "do_": - var = "do_" + self.func - - bb.data.setVarFlag(var, "task", 1, data) - bbtasks = bb.data.getVar('__BBTASKS', data) or [] - if not var in bbtasks: - bbtasks.append(var) - bb.data.setVar('__BBTASKS', bbtasks, data) - - existing = bb.data.getVarFlag(var, "deps", data) or [] - if self.after is not None: - # set up deps for function - for entry in self.after.split(): - if entry not in existing: - existing.append(entry) - bb.data.setVarFlag(var, "deps", existing, data) - if self.before is not None: - # set up things that depend on this func - for entry in self.before.split(): - existing = bb.data.getVarFlag(entry, "deps", data) or [] - if var not in existing: - bb.data.setVarFlag(entry, "deps", [var] + existing, data) - -class BBHandlerNode(AstNode): - def __init__(self, filename, lineno, fns): - AstNode.__init__(self, filename, lineno) - self.hs = fns.split() - - def eval(self, data): - bbhands = bb.data.getVar('__BBHANDLERS', data) or [] - for h in self.hs: - bbhands.append(h) - bb.data.setVarFlag(h, "handler", 1, data) - bb.data.setVar('__BBHANDLERS', bbhands, data) - -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, 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): - statements.append(MethodNode(filename, lineno, func_name, body)) - -def handlePythonMethod(statements, filename, lineno, funcname, root, body): - statements.append(PythonMethodNode(filename, lineno, funcname, root, body)) - -def handleMethodFlags(statements, filename, lineno, key, m): - statements.append(MethodFlagsNode(filename, lineno, key, m)) - -def handleExportFuncs(statements, filename, lineno, m, classes): - statements.append(ExportFuncsNode(filename, lineno, m.group(1), classes)) - -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 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.split())) - -def finalize(fn, d, variant = None): - bb.data.expandKeys(d) - bb.data.update_data(d) - code = [] - for funcname in bb.data.getVar("__BBANONFUNCS", d) or []: - code.append("%s(d)" % funcname) - bb.utils.simple_exec("\n".join(code), {"d": d}) - bb.data.update_data(d) - - all_handlers = {} - for var in bb.data.getVar('__BBHANDLERS', d) or []: - # try to add the handler - handler = bb.data.getVar(var, d) - bb.event.register(var, handler) - - tasklist = bb.data.getVar('__BBTASKS', d) or [] - bb.build.add_tasks(tasklist, d) - - bb.parse.siggen.finalise(fn, d, variant) - - bb.event.fire(bb.event.RecipeParsed(fn), d) - -def _create_variants(datastores, names, function): - def create_variant(name, orig_d, arg = None): - 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(2, "Appending .bbappend file %s to %s", append, fn) - bb.parse.BBHandler.handle(append, d, True) - - safe_d = d - d = bb.data.createCopy(safe_d) - try: - finalize(fn, d) - except bb.parse.SkipPackage: - bb.data.setVar("__SKIPPED", True, d) - 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.SkipPackage: - bb.data.setVar("__SKIPPED", True, d) - - _create_variants(datastores, versions, verfunc) - - extended = d.getVar("BBCLASSEXTEND", True) or "" - if extended: - pn = d.getVar("PN", True) - def extendfunc(name, d): - d.setVar("PN", "%s-%s" % (pn, name)) - bb.parse.BBHandler.inherit([name], d) - - safe_d.setVar("BBCLASSEXTEND", extended) - _create_variants(datastores, extended.split(), extendfunc) - - for variant, variant_d in datastores.iteritems(): - if variant: - try: - finalize(fn, variant_d, variant) - except bb.parse.SkipPackage: - bb.data.setVar("__SKIPPED", True, variant_d) - - if len(datastores) > 1: - variants = filter(None, datastores.iterkeys()) - safe_d.setVar("__VARIANTS", " ".join(variants)) - - datastores[""] = d - return datastores |