The Meson Build System
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125 lines
5.3 KiB
125 lines
5.3 KiB
# Copyright 2018 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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# This class contains the basic functionality needed to run any interpreter |
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# or an interpreter-based tool |
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from . import AstInterpreter |
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from .. import compilers, environment, mesonlib, mparser, optinterpreter |
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from .. import coredata as cdata |
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from ..interpreterbase import InvalidArguments |
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import os |
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class IntrospectionHelper: |
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# mimic an argparse namespace |
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def __init__(self, cross_file): |
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self.cross_file = cross_file |
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self.native_file = None |
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self.cmd_line_options = {} |
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class IntrospectionInterpreter(AstInterpreter): |
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# Interpreter to detect the options without a build directory |
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# Most of the code is stolen from interperter.Interpreter |
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def __init__(self, source_root, subdir, backend, cross_file=None, subproject='', subproject_dir='subprojects', env=None): |
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super().__init__(source_root, subdir) |
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options = IntrospectionHelper(cross_file) |
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self.cross_file = cross_file |
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if env is None: |
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self.environment = environment.Environment(source_root, None, options) |
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else: |
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self.environment = env |
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self.subproject = subproject |
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self.subproject_dir = subproject_dir |
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self.coredata = self.environment.get_coredata() |
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self.option_file = os.path.join(self.source_root, self.subdir, 'meson_options.txt') |
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self.backend = backend |
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self.default_options = {'backend': self.backend} |
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self.project_data = {} |
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self.funcs.update({ |
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'project': self.func_project, |
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'add_languages': self.func_add_languages |
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}) |
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def func_project(self, node, args, kwargs): |
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if len(args) < 1: |
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raise InvalidArguments('Not enough arguments to project(). Needs at least the project name.') |
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proj_name = args[0] |
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proj_vers = kwargs.get('version', 'undefined') |
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proj_langs = self.flatten_args(args[1:]) |
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if isinstance(proj_vers, mparser.ElementaryNode): |
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proj_vers = proj_vers.value |
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if not isinstance(proj_vers, str): |
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proj_vers = 'undefined' |
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self.project_data = {'descriptive_name': proj_name, 'version': proj_vers} |
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if os.path.exists(self.option_file): |
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oi = optinterpreter.OptionInterpreter(self.subproject) |
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oi.process(self.option_file) |
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self.coredata.merge_user_options(oi.options) |
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def_opts = self.flatten_args(kwargs.get('default_options', [])) |
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self.project_default_options = mesonlib.stringlistify(def_opts) |
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self.project_default_options = cdata.create_options_dict(self.project_default_options) |
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self.default_options.update(self.project_default_options) |
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self.coredata.set_default_options(self.default_options, self.subproject, self.environment.cmd_line_options) |
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if not self.is_subproject() and 'subproject_dir' in kwargs: |
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spdirname = kwargs['subproject_dir'] |
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if isinstance(spdirname, str): |
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self.subproject_dir = spdirname |
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if not self.is_subproject(): |
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self.project_data['subprojects'] = [] |
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subprojects_dir = os.path.join(self.source_root, self.subproject_dir) |
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if os.path.isdir(subprojects_dir): |
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for i in os.listdir(subprojects_dir): |
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if os.path.isdir(os.path.join(subprojects_dir, i)): |
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self.do_subproject(i) |
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self.coredata.init_backend_options(self.backend) |
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options = {k: v for k, v in self.environment.cmd_line_options.items() if k.startswith('backend_')} |
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self.coredata.set_options(options) |
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self.func_add_languages(None, proj_langs, None) |
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def do_subproject(self, dirname): |
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subproject_dir_abs = os.path.join(self.environment.get_source_dir(), self.subproject_dir) |
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subpr = os.path.join(subproject_dir_abs, dirname) |
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try: |
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subi = IntrospectionInterpreter(subpr, '', self.backend, cross_file=self.cross_file, subproject=dirname, subproject_dir=self.subproject_dir, env=self.environment) |
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subi.analyze() |
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subi.project_data['name'] = dirname |
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self.project_data['subprojects'] += [subi.project_data] |
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except: |
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return |
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def func_add_languages(self, node, args, kwargs): |
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args = self.flatten_args(args) |
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need_cross_compiler = self.environment.is_cross_build() |
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for lang in sorted(args, key=compilers.sort_clink): |
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lang = lang.lower() |
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if lang not in self.coredata.compilers: |
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self.environment.detect_compilers(lang, need_cross_compiler) |
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def is_subproject(self): |
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return self.subproject != '' |
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def analyze(self): |
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self.load_root_meson_file() |
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self.sanity_check_ast() |
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self.parse_project() |
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self.run()
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