# Copyright 2018 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. # This class contains the basic functionality needed to run any interpreter # or an interpreter-based tool from . import AstInterpreter from .. import compilers, environment, mesonlib, optinterpreter from .. import coredata as cdata from ..mesonlib import MachineChoice from ..interpreterbase import InvalidArguments from ..build import Executable, Jar, SharedLibrary, SharedModule, StaticLibrary from ..mparser import BaseNode, ArithmeticNode, ArrayNode, ElementaryNode, IdNode, FunctionNode, StringNode import os build_target_functions = ['executable', 'jar', 'library', 'shared_library', 'shared_module', 'static_library', 'both_libraries'] class IntrospectionHelper: # mimic an argparse namespace def __init__(self, cross_file): self.cross_file = cross_file self.native_file = None self.cmd_line_options = {} class IntrospectionInterpreter(AstInterpreter): # Interpreter to detect the options without a build directory # Most of the code is stolen from interpreter.Interpreter def __init__(self, source_root, subdir, backend, visitors=None, cross_file=None, subproject='', subproject_dir='subprojects', env=None): visitors = visitors if visitors is not None else [] super().__init__(source_root, subdir, visitors=visitors) options = IntrospectionHelper(cross_file) self.cross_file = cross_file if env is None: self.environment = environment.Environment(source_root, None, options) else: self.environment = env self.subproject = subproject self.subproject_dir = subproject_dir self.coredata = self.environment.get_coredata() self.option_file = os.path.join(self.source_root, self.subdir, 'meson_options.txt') self.backend = backend self.default_options = {'backend': self.backend} self.project_data = {} self.targets = [] self.dependencies = [] self.project_node = None self.funcs.update({ 'add_languages': self.func_add_languages, 'dependency': self.func_dependency, 'executable': self.func_executable, 'jar': self.func_jar, 'library': self.func_library, 'project': self.func_project, 'shared_library': self.func_shared_lib, 'shared_module': self.func_shared_module, 'static_library': self.func_static_lib, 'both_libraries': self.func_both_lib, }) def func_project(self, node, args, kwargs): if self.project_node: raise InvalidArguments('Second call to project()') self.project_node = node if len(args) < 1: raise InvalidArguments('Not enough arguments to project(). Needs at least the project name.') proj_name = args[0] proj_vers = kwargs.get('version', 'undefined') proj_langs = self.flatten_args(args[1:]) if isinstance(proj_vers, ElementaryNode): proj_vers = proj_vers.value if not isinstance(proj_vers, str): proj_vers = 'undefined' self.project_data = {'descriptive_name': proj_name, 'version': proj_vers} if os.path.exists(self.option_file): oi = optinterpreter.OptionInterpreter(self.subproject) oi.process(self.option_file) self.coredata.merge_user_options(oi.options) def_opts = self.flatten_args(kwargs.get('default_options', [])) self.project_default_options = mesonlib.stringlistify(def_opts) self.project_default_options = cdata.create_options_dict(self.project_default_options) self.default_options.update(self.project_default_options) self.coredata.set_default_options(self.default_options, self.subproject, self.environment) if not self.is_subproject() and 'subproject_dir' in kwargs: spdirname = kwargs['subproject_dir'] if isinstance(spdirname, ElementaryNode): self.subproject_dir = spdirname.value if not self.is_subproject(): self.project_data['subprojects'] = [] subprojects_dir = os.path.join(self.source_root, self.subproject_dir) if os.path.isdir(subprojects_dir): for i in os.listdir(subprojects_dir): if os.path.isdir(os.path.join(subprojects_dir, i)): self.do_subproject(i) self.coredata.init_backend_options(self.backend) options = {k: v for k, v in self.environment.cmd_line_options.items() if k.startswith('backend_')} self.coredata.set_options(options) self.func_add_languages(None, proj_langs, None) def do_subproject(self, dirname): subproject_dir_abs = os.path.join(self.environment.get_source_dir(), self.subproject_dir) subpr = os.path.join(subproject_dir_abs, dirname) try: subi = IntrospectionInterpreter(subpr, '', self.backend, cross_file=self.cross_file, subproject=dirname, subproject_dir=self.subproject_dir, env=self.environment, visitors=self.visitors) subi.analyze() subi.project_data['name'] = dirname self.project_data['subprojects'] += [subi.project_data] except (mesonlib.MesonException, RuntimeError): return def func_add_languages(self, node, args, kwargs): args = self.flatten_args(args) for for_machine in [MachineChoice.BUILD, MachineChoice.HOST]: for lang in sorted(args, key=compilers.sort_clink): lang = lang.lower() if lang not in self.coredata.compilers[for_machine]: self.environment.detect_compiler_for(lang, for_machine) def func_dependency(self, node, args, kwargs): args = self.flatten_args(args) kwargs = self.flatten_kwargs(kwargs) if not args: return name = args[0] has_fallback = 'fallback' in kwargs required = kwargs.get('required', True) version = kwargs.get('version', []) if not isinstance(version, list): version = [version] condition_level = node.condition_level if hasattr(node, 'condition_level') else 0 if isinstance(required, ElementaryNode): required = required.value if not isinstance(required, bool): required = False self.dependencies += [{ 'name': name, 'required': required, 'version': version, 'has_fallback': has_fallback, 'conditional': condition_level > 0, 'node': node, }] def build_target(self, node, args, kwargs, targetclass): args = self.flatten_args(args) if not args or not isinstance(args[0], str): return name = args[0] srcqueue = [node] # Process the sources BEFORE flattening the kwargs, to preserve the original nodes if 'sources' in kwargs: srcqueue += mesonlib.listify(kwargs['sources']) kwargs = self.flatten_kwargs(kwargs, True) source_nodes = [] while srcqueue: curr = srcqueue.pop(0) arg_node = None assert(isinstance(curr, BaseNode)) if isinstance(curr, FunctionNode): arg_node = curr.args elif isinstance(curr, ArrayNode): arg_node = curr.args elif isinstance(curr, IdNode): # Try to resolve the ID and append the node to the queue var_name = curr.value if var_name in self.assignments and self.assignments[var_name]: tmp_node = self.assignments[var_name][0] if isinstance(tmp_node, (ArrayNode, IdNode, FunctionNode)): srcqueue += [tmp_node] elif isinstance(curr, ArithmeticNode): srcqueue += [curr.left, curr.right] if arg_node is None: continue arg_nodes = arg_node.arguments.copy() # Pop the first element if the function is a build target function if isinstance(curr, FunctionNode) and curr.func_name in build_target_functions: arg_nodes.pop(0) elemetary_nodes = [x for x in arg_nodes if isinstance(x, (str, StringNode))] srcqueue += [x for x in arg_nodes if isinstance(x, (FunctionNode, ArrayNode, IdNode, ArithmeticNode))] if elemetary_nodes: source_nodes += [curr] # Make sure nothing can crash when creating the build class kwargs_reduced = {k: v for k, v in kwargs.items() if k in targetclass.known_kwargs and k in ['install', 'build_by_default', 'build_always']} kwargs_reduced = {k: v.value if isinstance(v, ElementaryNode) else v for k, v in kwargs_reduced.items()} kwargs_reduced = {k: v for k, v in kwargs_reduced.items() if not isinstance(v, BaseNode)} for_machine = MachineChoice.HOST objects = [] empty_sources = [] # Passing the unresolved sources list causes errors target = targetclass(name, self.subdir, self.subproject, for_machine, empty_sources, objects, self.environment, kwargs_reduced) new_target = { 'name': target.get_basename(), 'id': target.get_id(), 'type': target.get_typename(), 'defined_in': os.path.normpath(os.path.join(self.source_root, self.subdir, environment.build_filename)), 'subdir': self.subdir, 'build_by_default': target.build_by_default, 'installed': target.should_install(), 'outputs': target.get_outputs(), 'sources': source_nodes, 'kwargs': kwargs, 'node': node, } self.targets += [new_target] return new_target def build_library(self, node, args, kwargs): default_library = self.coredata.get_builtin_option('default_library') if default_library == 'shared': return self.build_target(node, args, kwargs, SharedLibrary) elif default_library == 'static': return self.build_target(node, args, kwargs, StaticLibrary) elif default_library == 'both': return self.build_target(node, args, kwargs, SharedLibrary) def func_executable(self, node, args, kwargs): return self.build_target(node, args, kwargs, Executable) def func_static_lib(self, node, args, kwargs): return self.build_target(node, args, kwargs, StaticLibrary) def func_shared_lib(self, node, args, kwargs): return self.build_target(node, args, kwargs, SharedLibrary) def func_both_lib(self, node, args, kwargs): return self.build_target(node, args, kwargs, SharedLibrary) def func_shared_module(self, node, args, kwargs): return self.build_target(node, args, kwargs, SharedModule) def func_library(self, node, args, kwargs): return self.build_library(node, args, kwargs) def func_jar(self, node, args, kwargs): return self.build_target(node, args, kwargs, Jar) def func_build_target(self, node, args, kwargs): if 'target_type' not in kwargs: return target_type = kwargs.pop('target_type') if isinstance(target_type, ElementaryNode): target_type = target_type.value if target_type == 'executable': return self.build_target(node, args, kwargs, Executable) elif target_type == 'shared_library': return self.build_target(node, args, kwargs, SharedLibrary) elif target_type == 'static_library': return self.build_target(node, args, kwargs, StaticLibrary) elif target_type == 'both_libraries': return self.build_target(node, args, kwargs, SharedLibrary) elif target_type == 'library': return self.build_library(node, args, kwargs) elif target_type == 'jar': return self.build_target(node, args, kwargs, Jar) def is_subproject(self): return self.subproject != '' def analyze(self): self.load_root_meson_file() self.sanity_check_ast() self.parse_project() self.run()