The Meson Build System
http://mesonbuild.com/
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256 lines
11 KiB
256 lines
11 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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from ..build import Executable, Jar, SharedLibrary, SharedModule, StaticLibrary |
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import os |
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build_target_functions = ['executable', 'jar', 'library', 'shared_library', 'shared_module', 'static_library', 'both_libraries'] |
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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, visitors=[], cross_file=None, subproject='', subproject_dir='subprojects', env=None): |
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super().__init__(source_root, subdir, visitors=visitors) |
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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.targets = [] |
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self.dependencies = [] |
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self.project_node = None |
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self.funcs.update({ |
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'add_languages': self.func_add_languages, |
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'dependency': self.func_dependency, |
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'executable': self.func_executable, |
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'jar': self.func_jar, |
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'library': self.func_library, |
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'project': self.func_project, |
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'shared_library': self.func_shared_lib, |
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'shared_module': self.func_shared_module, |
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'static_library': self.func_static_lib, |
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'both_libraries': self.func_both_lib, |
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}) |
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def func_project(self, node, args, kwargs): |
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if self.project_node: |
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raise InvalidArguments('Second call to project()') |
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self.project_node = node |
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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) |
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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 func_dependency(self, node, args, kwargs): |
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args = self.flatten_args(args) |
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if not args: |
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return |
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name = args[0] |
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self.dependencies += [{ |
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'name': name, |
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'node': node |
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}] |
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def build_target(self, node, args, kwargs, targetclass): |
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args = self.flatten_args(args) |
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if not args: |
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return |
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kwargs = self.flatten_kwargs(kwargs, True) |
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name = args[0] |
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srcqueue = [node] |
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if 'sources' in kwargs: |
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srcqueue += kwargs['sources'] |
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source_nodes = [] |
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while srcqueue: |
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curr = srcqueue.pop(0) |
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arg_node = None |
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if isinstance(curr, mparser.FunctionNode): |
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arg_node = curr.args |
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elif isinstance(curr, mparser.ArrayNode): |
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arg_node = curr.args |
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elif isinstance(curr, mparser.IdNode): |
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# Try to resolve the ID and append the node to the queue |
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id = curr.value |
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if id in self.assignments and self.assignments[id]: |
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tmp_node = self.assignments[id][0] |
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if isinstance(tmp_node, (mparser.ArrayNode, mparser.IdNode, mparser.FunctionNode)): |
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srcqueue += [tmp_node] |
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if arg_node is None: |
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continue |
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elemetary_nodes = list(filter(lambda x: isinstance(x, (str, mparser.StringNode)), arg_node.arguments)) |
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srcqueue += list(filter(lambda x: isinstance(x, (mparser.FunctionNode, mparser.ArrayNode, mparser.IdNode)), arg_node.arguments)) |
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# Pop the first element if the function is a build target function |
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if isinstance(curr, mparser.FunctionNode) and curr.func_name in build_target_functions: |
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elemetary_nodes.pop(0) |
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if elemetary_nodes: |
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source_nodes += [curr] |
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# Make sure nothing can crash when creating the build class |
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kwargs = {} |
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is_cross = False |
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objects = [] |
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empty_sources = [] # Passing the unresolved sources list causes errors |
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target = targetclass(name, self.subdir, self.subproject, is_cross, empty_sources, objects, self.environment, kwargs) |
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self.targets += [{ |
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'name': target.get_basename(), |
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'id': target.get_id(), |
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'type': target.get_typename(), |
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'defined_in': os.path.normpath(os.path.join(self.source_root, self.subdir, environment.build_filename)), |
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'subdir': self.subdir, |
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'build_by_default': target.build_by_default, |
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'sources': source_nodes, |
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'kwargs': kwargs, |
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'node': node, |
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}] |
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return |
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def build_library(self, node, args, kwargs): |
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default_library = self.coredata.get_builtin_option('default_library') |
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if default_library == 'shared': |
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return self.build_target(node, args, kwargs, SharedLibrary) |
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elif default_library == 'static': |
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return self.build_target(node, args, kwargs, StaticLibrary) |
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elif default_library == 'both': |
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return self.build_target(node, args, kwargs, SharedLibrary) |
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def func_executable(self, node, args, kwargs): |
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return self.build_target(node, args, kwargs, Executable) |
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def func_static_lib(self, node, args, kwargs): |
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return self.build_target(node, args, kwargs, StaticLibrary) |
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def func_shared_lib(self, node, args, kwargs): |
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return self.build_target(node, args, kwargs, SharedLibrary) |
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def func_both_lib(self, node, args, kwargs): |
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return self.build_target(node, args, kwargs, SharedLibrary) |
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def func_shared_module(self, node, args, kwargs): |
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return self.build_target(node, args, kwargs, SharedModule) |
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def func_library(self, node, args, kwargs): |
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return self.build_library(node, args, kwargs) |
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def func_jar(self, node, args, kwargs): |
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return self.build_target(node, args, kwargs, Jar) |
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def func_build_target(self, node, args, kwargs): |
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if 'target_type' not in kwargs: |
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return |
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target_type = kwargs.pop('target_type') |
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if isinstance(target_type, mparser.ElementaryNode): |
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target_type = target_type.value |
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if target_type == 'executable': |
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return self.build_target(node, args, kwargs, Executable) |
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elif target_type == 'shared_library': |
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return self.build_target(node, args, kwargs, SharedLibrary) |
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elif target_type == 'static_library': |
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return self.build_target(node, args, kwargs, StaticLibrary) |
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elif target_type == 'both_libraries': |
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return self.build_target(node, args, kwargs, SharedLibrary) |
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elif target_type == 'library': |
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return self.build_library(node, args, kwargs) |
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elif target_type == 'jar': |
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return self.build_target(node, args, kwargs, Jar) |
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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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