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# 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, mparser, optinterpreter
from .. import coredata as cdata
from ..interpreterbase import InvalidArguments
from ..build import Executable, Jar, SharedLibrary, SharedModule, StaticLibrary
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 interperter.Interpreter
def __init__(self, source_root, subdir, backend, visitors=[], cross_file=None, subproject='', subproject_dir='subprojects', env=None):
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, mparser.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, str):
self.subproject_dir = spdirname
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)
subi.analyze()
subi.project_data['name'] = dirname
self.project_data['subprojects'] += [subi.project_data]
except:
return
def func_add_languages(self, node, args, kwargs):
args = self.flatten_args(args)
need_cross_compiler = self.environment.is_cross_build()
for lang in sorted(args, key=compilers.sort_clink):
lang = lang.lower()
if lang not in self.coredata.compilers:
self.environment.detect_compilers(lang, need_cross_compiler)
def func_dependency(self, node, args, kwargs):
args = self.flatten_args(args)
if not args:
return
name = args[0]
self.dependencies += [{
'name': name,
'node': node
}]
def build_target(self, node, args, kwargs, targetclass):
args = self.flatten_args(args)
if not args:
return
kwargs = self.flatten_kwargs(kwargs, True)
name = args[0]
srcqueue = [node]
if 'sources' in kwargs:
srcqueue += kwargs['sources']
source_nodes = []
while srcqueue:
curr = srcqueue.pop(0)
arg_node = None
if isinstance(curr, mparser.FunctionNode):
arg_node = curr.args
elif isinstance(curr, mparser.ArrayNode):
arg_node = curr.args
elif isinstance(curr, mparser.IdNode):
# Try to resolve the ID and append the node to the queue
id = curr.value
if id in self.assignments and self.assignments[id]:
tmp_node = self.assignments[id][0]
if isinstance(tmp_node, (mparser.ArrayNode, mparser.IdNode, mparser.FunctionNode)):
srcqueue += [tmp_node]
if arg_node is None:
continue
elemetary_nodes = list(filter(lambda x: isinstance(x, (str, mparser.StringNode)), arg_node.arguments))
srcqueue += list(filter(lambda x: isinstance(x, (mparser.FunctionNode, mparser.ArrayNode, mparser.IdNode)), arg_node.arguments))
# Pop the first element if the function is a build target function
if isinstance(curr, mparser.FunctionNode) and curr.func_name in build_target_functions:
elemetary_nodes.pop(0)
if elemetary_nodes:
source_nodes += [curr]
# Make sure nothing can crash when creating the build class
kwargs = {}
is_cross = False
objects = []
empty_sources = [] # Passing the unresolved sources list causes errors
target = targetclass(name, self.subdir, self.subproject, is_cross, empty_sources, objects, self.environment, kwargs)
self.targets += [{
'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,
'sources': source_nodes,
'kwargs': kwargs,
'node': node,
}]
return
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, mparser.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()
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