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# Copyright 2014-2016 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 os
from . import (coredata, mesonlib, build)
from . import mintro
def add_arguments(parser):
coredata.register_builtin_arguments(parser)
parser.add_argument('builddir', nargs='?', default='.')
parser.add_argument('--clearcache', action='store_true', default=False,
help='Clear cached state (e.g. found dependencies)')
def make_lower_case(val):
if isinstance(val, bool):
return str(val).lower()
elif isinstance(val, list):
return [make_lower_case(i) for i in val]
else:
return str(val)
class ConfException(mesonlib.MesonException):
pass
class Conf:
def __init__(self, build_dir):
self.build_dir = build_dir
if not os.path.isdir(os.path.join(build_dir, 'meson-private')):
raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir)
self.build = build.load(self.build_dir)
self.coredata = coredata.load(self.build_dir)
def clear_cache(self):
self.coredata.deps = {}
def set_options(self, options):
self.coredata.set_options(options)
def save(self):
# Only called if something has changed so overwrite unconditionally.
coredata.save(self.coredata, self.build_dir)
# We don't write the build file because any changes to it
# are erased when Meson is executed the next time, i.e. when
# Ninja is run.
@staticmethod
def print_aligned(arr):
if not arr:
return
titles = {'name': 'Option', 'descr': 'Description', 'value': 'Current Value', 'choices': 'Possible Values'}
name_col = [titles['name'], '-' * len(titles['name'])]
value_col = [titles['value'], '-' * len(titles['value'])]
choices_col = [titles['choices'], '-' * len(titles['choices'])]
descr_col = [titles['descr'], '-' * len(titles['descr'])]
choices_found = False
for opt in arr:
name_col.append(opt['name'])
descr_col.append(opt['descr'])
if isinstance(opt['value'], list):
value_col.append('[{0}]'.format(', '.join(make_lower_case(opt['value']))))
else:
value_col.append(make_lower_case(opt['value']))
if opt['choices']:
choices_found = True
if isinstance(opt['choices'], list):
choices_col.append('[{0}]'.format(', '.join(make_lower_case(opt['choices']))))
else:
choices_col.append(make_lower_case(opt['choices']))
else:
choices_col.append('')
col_widths = (max([len(i) for i in name_col], default=0),
max([len(i) for i in value_col], default=0),
max([len(i) for i in choices_col], default=0),
max([len(i) for i in descr_col], default=0))
for line in zip(name_col, value_col, choices_col, descr_col):
if choices_found:
print(' {0:{width[0]}} {1:{width[1]}} {2:{width[2]}} {3:{width[3]}}'.format(*line, width=col_widths))
else:
print(' {0:{width[0]}} {1:{width[1]}} {3:{width[3]}}'.format(*line, width=col_widths))
def print_options(self, title, options):
print('\n{}:'.format(title))
if not options:
print(' No {}\n'.format(title.lower()))
arr = []
for k in sorted(options):
o = options[k]
d = o.description
v = o.printable_value()
c = o.choices
arr.append({'name': k, 'descr': d, 'value': v, 'choices': c})
self.print_aligned(arr)
def print_conf(self):
print('Core properties:')
print(' Source dir', self.build.environment.source_dir)
print(' Build dir ', self.build.environment.build_dir)
dir_option_names = ['bindir',
'datadir',
'includedir',
'infodir',
'libdir',
'libexecdir',
'localedir',
'localstatedir',
'mandir',
'prefix',
'sbindir',
'sharedstatedir',
'sysconfdir']
test_option_names = ['errorlogs',
'stdsplit']
core_option_names = [k for k in self.coredata.builtins if k not in dir_option_names + test_option_names]
dir_options = {k: o for k, o in self.coredata.builtins.items() if k in dir_option_names}
test_options = {k: o for k, o in self.coredata.builtins.items() if k in test_option_names}
core_options = {k: o for k, o in self.coredata.builtins.items() if k in core_option_names}
self.print_options('Core options', core_options)
self.print_options('Backend options', self.coredata.backend_options)
self.print_options('Base options', self.coredata.base_options)
self.print_options('Compiler options', self.coredata.compiler_options)
self.print_options('Directories', dir_options)
self.print_options('Project options', self.coredata.user_options)
self.print_options('Testing options', test_options)
def run(options):
coredata.parse_cmd_line_options(options)
builddir = os.path.abspath(os.path.realpath(options.builddir))
c = None
try:
c = Conf(builddir)
save = False
if len(options.cmd_line_options) > 0:
c.set_options(options.cmd_line_options)
coredata.update_cmd_line_file(builddir, options)
save = True
elif options.clearcache:
c.clear_cache()
save = True
else:
c.print_conf()
if save:
c.save()
mintro.update_build_options(c.coredata, c.build.environment.info_dir)
mintro.write_meson_info_file(c.build, [])
except ConfException as e:
print('Meson configurator encountered an error:')
if c is not None and c.build is not None:
mintro.write_meson_info_file(c.build, [e])
raise e
return 0
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