| # 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, environment, mesonlib, build, mintro, mlog |
| from .ast import AstIDGenerator |
| |
| 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 = os.path.abspath(os.path.realpath(build_dir)) |
| if 'meson.build' in [os.path.basename(self.build_dir), self.build_dir]: |
| self.build_dir = os.path.dirname(self.build_dir) |
| self.build = None |
| self.max_choices_line_length = 60 |
| |
| if os.path.isdir(os.path.join(self.build_dir, 'meson-private')): |
| self.build = build.load(self.build_dir) |
| self.source_dir = self.build.environment.get_source_dir() |
| self.coredata = coredata.load(self.build_dir) |
| self.default_values_only = False |
| elif os.path.isfile(os.path.join(self.build_dir, environment.build_filename)): |
| # Make sure that log entries in other parts of meson don't interfere with the JSON output |
| mlog.disable() |
| self.source_dir = os.path.abspath(os.path.realpath(self.build_dir)) |
| intr = mintro.IntrospectionInterpreter(self.source_dir, '', 'ninja', visitors = [AstIDGenerator()]) |
| intr.analyze() |
| # Reenable logging just in case |
| mlog.enable() |
| self.coredata = intr.coredata |
| self.default_values_only = True |
| else: |
| raise ConfException('Directory {} is neither a Meson build directory nor a project source directory.'.format(build_dir)) |
| |
| def clear_cache(self): |
| self.coredata.deps.host.clear() |
| self.coredata.deps.build.clear() |
| |
| def set_options(self, options): |
| self.coredata.set_options(options) |
| |
| def save(self): |
| # Do nothing when using introspection |
| if self.default_values_only: |
| return |
| # 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. |
| |
| def print_aligned(self, arr): |
| if not arr: |
| return |
| |
| titles = {'name': 'Option', 'descr': 'Description', 'value': 'Current Value', 'choices': 'Possible Values'} |
| if self.default_values_only: |
| titles['value'] = 'Default Value' |
| |
| 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_list = make_lower_case(opt['choices']) |
| current = '[' |
| while choices_list: |
| i = choices_list.pop(0) |
| if len(current) + len(i) >= self.max_choices_line_length: |
| choices_col.append(current + ',') |
| name_col.append('') |
| value_col.append('') |
| descr_col.append('') |
| current = ' ' |
| if len(current) > 1: |
| current += ', ' |
| current += i |
| choices_col.append(current + ']') |
| 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, o in sorted(options.items()): |
| 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): |
| def print_default_values_warning(): |
| mlog.warning('The source directory instead of the build directory was specified.') |
| mlog.warning('Only the default values for the project are printed, and all command line parameters are ignored.') |
| |
| if self.default_values_only: |
| print_default_values_warning() |
| print('') |
| |
| print('Core properties:') |
| print(' Source dir', self.source_dir) |
| if not self.default_values_only: |
| print(' Build dir ', self.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) |
| if self.build.environment.is_cross_build(): |
| self.print_options('Core options (for host machine)', self.coredata.builtins_per_machine.host) |
| self.print_options( |
| 'Core options (for build machine)', |
| {'build.' + k: o for k, o in self.coredata.builtins_per_machine.build.items()}) |
| else: |
| self.print_options('Core options', self.coredata.builtins_per_machine.host) |
| self.print_options('Backend options', self.coredata.backend_options) |
| self.print_options('Base options', self.coredata.base_options) |
| if self.build.environment.is_cross_build(): |
| self.print_options('Compiler options (for host machine)', self.coredata.compiler_options.host) |
| self.print_options( |
| 'Compiler options (for build machine)', |
| {'build.' + k: o for k, o in self.coredata.compiler_options.build.items()}) |
| else: |
| self.print_options('Compiler options', self.coredata.compiler_options.host) |
| self.print_options('Directories', dir_options) |
| self.print_options('Project options', self.coredata.user_options) |
| self.print_options('Testing options', test_options) |
| |
| # Print the warning twice so that the user shouldn't be able to miss it |
| if self.default_values_only: |
| print('') |
| print_default_values_warning() |
| |
| def run(options): |
| coredata.parse_cmd_line_options(options) |
| builddir = os.path.abspath(os.path.realpath(options.builddir)) |
| c = None |
| try: |
| c = Conf(builddir) |
| if c.default_values_only: |
| c.print_conf() |
| return 0 |
| |
| 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 |