# Copyright 2012-2016 The Meson development team # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import pickle, os, uuid version = '0.31.0.dev1' build_types = ['plain', 'debug', 'debugoptimized', 'release'] layouts = ['mirror', 'flat'] warning_levels = ['1', '2', '3'] libtypelist = ['shared', 'static'] builtin_options = {'buildtype': True, 'strip': True, 'coverage': True, 'pch': True, 'unity': True, 'prefix': True, 'libdir' : True, 'bindir' : True, 'includedir' : True, 'datadir' : True, 'mandir' : True, 'localedir' : True, 'werror' : True, 'warning_level': True, 'layout' : True, 'default_library': True, } class MesonException(Exception): def __init__(self, *args, **kwargs): Exception.__init__(self, *args, **kwargs) class UserOption: def __init__(self, name, description, choices): super().__init__() self.name = name self.choices = choices self.description = description def parse_string(self, valuestring): return valuestring class UserStringOption(UserOption): def __init__(self, name, description, value, choices=None): super().__init__(name, description, choices) self.set_value(value) def validate(self, value): if not isinstance(value, str): raise MesonException('Value "%s" for string option "%s" is not a string.' % (str(value), self.name)) if self.name == 'prefix' and not os.path.isabs(value): raise MesonException('Prefix option value \'{0}\' must be an absolute path.'.format(value)) if self.name in ('libdir', 'bindir', 'includedir', 'datadir', 'mandir', 'localedir') \ and os.path.isabs(value): raise MesonException('Option %s must not be an absolute path.' % self.name) def set_value(self, newvalue): self.validate(newvalue) self.value = newvalue class UserBooleanOption(UserOption): def __init__(self, name, description, value): super().__init__(name, description, '[true, false]') self.set_value(value) def tobool(self, thing): if isinstance(thing, bool): return thing if thing.lower() == 'true': return True if thing.lower() == 'false': return False raise MesonException('Value %s is not boolean (true or false).' % thing) def set_value(self, newvalue): self.value = self.tobool(newvalue) def parse_string(self, valuestring): if valuestring == 'false': return False if valuestring == 'true': return True raise MesonException('Value "%s" for boolean option "%s" is not a boolean.' % (valuestring, self.name)) class UserComboOption(UserOption): def __init__(self, name, description, choices, value): super().__init__(name, description, choices) if not isinstance(self.choices, list): raise MesonException('Combo choices must be an array.') for i in self.choices: if not isinstance(i, str): raise MesonException('Combo choice elements must be strings.') self.set_value(value) def set_value(self, newvalue): if newvalue not in self.choices: optionsstring = ', '.join(['"%s"' % (item,) for item in self.choices]) raise MesonException('Value "%s" for combo option "%s" is not one of the choices. Possible choices are: %s.' % (newvalue, self.name, optionsstring)) self.value = newvalue class UserStringArrayOption(UserOption): def __init__(self, name, description, value, **kwargs): super().__init__(name, description, kwargs.get('choices', [])) self.set_value(value) def set_value(self, newvalue): if isinstance(newvalue, str): if not newvalue.startswith('['): raise MesonException('Valuestring does not define an array: ' + newvalue) newvalue = eval(newvalue, {}, {}) # Yes, it is unsafe. if not isinstance(newvalue, list): raise MesonException('String array value is not an array.') for i in newvalue: if not isinstance(i, str): raise MesonException('String array element not a string.') self.value = newvalue # This class contains all data that must persist over multiple # invocations of Meson. It is roughly the same thing as # cmakecache. class CoreData(): def __init__(self, options): self.guid = str(uuid.uuid4()).upper() self.test_guid = str(uuid.uuid4()).upper() self.regen_guid = str(uuid.uuid4()).upper() self.target_guids = {} self.version = version self.builtin_options = {} self.init_builtins(options) self.user_options = {} self.compiler_options = {} self.base_options = {} self.external_args = {} # These are set from "the outside" with e.g. mesonconf self.external_link_args = {} if options.cross_file is not None: self.cross_file = os.path.join(os.getcwd(), options.cross_file) else: self.cross_file = None self.compilers = {} self.cross_compilers = {} self.deps = {} self.modules = {} def init_builtins(self, options): self.builtin_options['prefix'] = UserStringOption('prefix', 'Installation prefix', options.prefix) self.builtin_options['libdir'] = UserStringOption('libdir', 'Library dir', options.libdir) self.builtin_options['bindir'] = UserStringOption('bindir', 'Executable dir', options.bindir) self.builtin_options['includedir'] = UserStringOption('includedir', 'Include dir', options.includedir) self.builtin_options['datadir'] = UserStringOption('datadir', 'Data directory', options.datadir) self.builtin_options['mandir'] = UserStringOption('mandir', 'Man page dir', options.mandir) self.builtin_options['localedir'] = UserStringOption('localedir', 'Locale dir', options.localedir) self.builtin_options['backend'] = UserStringOption('backend', 'Backend to use', options.backend) self.builtin_options['buildtype'] = UserComboOption('buildtype', 'Build type', build_types, options.buildtype) self.builtin_options['strip'] = UserBooleanOption('strip', 'Strip on install', options.strip) self.builtin_options['use_pch'] = UserBooleanOption('use_pch', 'Use precompiled headers', options.use_pch) self.builtin_options['unity'] = UserBooleanOption('unity', 'Unity build', options.unity) self.builtin_options['coverage'] = UserBooleanOption('coverage', 'Enable coverage', options.coverage) self.builtin_options['warning_level'] = UserComboOption('warning_level', 'Warning level', warning_levels, options.warning_level) self.builtin_options['werror'] = UserBooleanOption('werror', 'Warnings are errors', options.werror) self.builtin_options['layout'] = UserComboOption('layout', 'Build dir layout', layouts, options.layout) self.builtin_options['default_library'] = UserComboOption('default_library', 'Default_library type', libtypelist, options.default_library) def get_builtin_option(self, optname): if optname in self.builtin_options: return self.builtin_options[optname].value raise RuntimeError('Tried to get unknown builtin option %s' % optname) def set_builtin_option(self, optname, value): if optname in self.builtin_options: self.builtin_options[optname].set_value(value) else: raise RuntimeError('Tried to set unknown builtin option %s' % optname) def is_builtin_option(self, optname): return optname in self.builtin_options def load(filename): obj = pickle.load(open(filename, 'rb')) if not isinstance(obj, CoreData): raise RuntimeError('Core data file is corrupted.') if obj.version != version: raise RuntimeError('Build tree has been generated with Meson version %s, which is incompatible with current version %s.'% (obj.version, version)) return obj def save(obj, filename): if obj.version != version: raise RuntimeError('Fatal version mismatch corruption.') pickle.dump(obj, open(filename, 'wb')) forbidden_target_names = {'clean': None, 'clean-gcno': None, 'clean-gcda': None, 'coverage-text': None, 'coverage-xml': None, 'coverage-html': None, 'phony': None, 'PHONY': None, 'all': None, 'test': None, 'test-valgrind': None, 'test-': None, 'benchmark': None, 'install': None, 'build.ninja': None, }