| # SPDX-License-Identifier: Apache-2.0 |
| # Copyright 2014-2016 The Meson development team |
| # Copyright © 2023-2024 Intel Corporation |
| |
| from __future__ import annotations |
| |
| import itertools |
| import hashlib |
| import shutil |
| import os |
| import textwrap |
| import typing as T |
| import collections |
| |
| from . import build |
| from . import coredata |
| from . import environment |
| from . import mesonlib |
| from . import mintro |
| from . import mlog |
| from .ast import AstIDGenerator, IntrospectionInterpreter |
| from .mesonlib import MachineChoice, OptionKey |
| from .optinterpreter import OptionInterpreter |
| |
| if T.TYPE_CHECKING: |
| from typing_extensions import Protocol |
| import argparse |
| |
| class CMDOptions(coredata.SharedCMDOptions, Protocol): |
| |
| builddir: str |
| clearcache: bool |
| pager: bool |
| |
| # cannot be TV_Loggable, because non-ansidecorators do direct string concat |
| LOGLINE = T.Union[str, mlog.AnsiDecorator] |
| |
| # Note: when adding arguments, please also add them to the completion |
| # scripts in $MESONSRC/data/shell-completions/ |
| def add_arguments(parser: 'argparse.ArgumentParser') -> None: |
| 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)') |
| parser.add_argument('--no-pager', action='store_false', dest='pager', |
| help='Do not redirect output to a pager') |
| |
| def stringify(val: T.Any) -> str: |
| if isinstance(val, bool): |
| return str(val).lower() |
| elif isinstance(val, list): |
| s = ', '.join(stringify(i) for i in val) |
| return f'[{s}]' |
| elif val is None: |
| return '' |
| else: |
| return str(val) |
| |
| |
| class ConfException(mesonlib.MesonException): |
| pass |
| |
| |
| class Conf: |
| def __init__(self, build_dir: str): |
| 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 |
| self.name_col: T.List[LOGLINE] = [] |
| self.value_col: T.List[LOGLINE] = [] |
| self.choices_col: T.List[LOGLINE] = [] |
| self.descr_col: T.List[LOGLINE] = [] |
| self.all_subprojects: T.Set[str] = set() |
| |
| 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 = self.build.environment.coredata |
| self.default_values_only = False |
| |
| # if the option file has been updated, reload it |
| # This cannot handle options for a new subproject that has not yet |
| # been configured. |
| for sub, options in self.coredata.options_files.items(): |
| if options is not None and os.path.exists(options[0]): |
| opfile = options[0] |
| with open(opfile, 'rb') as f: |
| ophash = hashlib.sha1(f.read()).hexdigest() |
| if ophash != options[1]: |
| oi = OptionInterpreter(sub) |
| oi.process(opfile) |
| self.coredata.update_project_options(oi.options, sub) |
| self.coredata.options_files[sub] = (opfile, ophash) |
| else: |
| opfile = os.path.join(self.source_dir, 'meson.options') |
| if not os.path.exists(opfile): |
| opfile = os.path.join(self.source_dir, 'meson_options.txt') |
| if os.path.exists(opfile): |
| oi = OptionInterpreter(sub) |
| oi.process(opfile) |
| self.coredata.update_project_options(oi.options, sub) |
| with open(opfile, 'rb') as f: |
| ophash = hashlib.sha1(f.read()).hexdigest() |
| self.coredata.options_files[sub] = (opfile, ophash) |
| else: |
| self.coredata.update_project_options({}, sub) |
| 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 |
| with mlog.no_logging(): |
| self.source_dir = os.path.abspath(os.path.realpath(self.build_dir)) |
| intr = IntrospectionInterpreter(self.source_dir, '', 'ninja', visitors = [AstIDGenerator()]) |
| intr.analyze() |
| self.coredata = intr.coredata |
| self.default_values_only = True |
| else: |
| raise ConfException(f'Directory {build_dir} is neither a Meson build directory nor a project source directory.') |
| |
| def clear_cache(self) -> None: |
| self.coredata.clear_cache() |
| |
| def set_options(self, options: T.Dict[OptionKey, str]) -> bool: |
| return self.coredata.set_options(options) |
| |
| def save(self) -> None: |
| # Do nothing when using introspection |
| if self.default_values_only: |
| return |
| 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) -> None: |
| """Do the actual printing. |
| |
| This prints the generated output in an aligned, pretty form. it aims |
| for a total width of 160 characters, but will use whatever the tty |
| reports it's value to be. Though this is much wider than the standard |
| 80 characters of terminals, and even than the newer 120, compressing |
| it to those lengths makes the output hard to read. |
| |
| Each column will have a specific width, and will be line wrapped. |
| """ |
| total_width = shutil.get_terminal_size(fallback=(160, 0))[0] |
| _col = max(total_width // 5, 20) |
| last_column = total_width - (3 * _col) - 3 |
| four_column = (_col, _col, _col, last_column if last_column > 1 else _col) |
| |
| for line in zip(self.name_col, self.value_col, self.choices_col, self.descr_col): |
| if not any(line): |
| mlog.log('') |
| continue |
| |
| # This is a header, like `Subproject foo:`, |
| # We just want to print that and get on with it |
| if line[0] and not any(line[1:]): |
| mlog.log(line[0]) |
| continue |
| |
| def wrap_text(text: LOGLINE, width: int) -> mlog.TV_LoggableList: |
| raw = text.text if isinstance(text, mlog.AnsiDecorator) else text |
| indent = ' ' if raw.startswith('[') else '' |
| wrapped_ = textwrap.wrap(raw, width, subsequent_indent=indent) |
| # We cast this because https://github.com/python/mypy/issues/1965 |
| # mlog.TV_LoggableList does not provide __len__ for stringprotocol |
| if isinstance(text, mlog.AnsiDecorator): |
| wrapped = T.cast('T.List[LOGLINE]', [mlog.AnsiDecorator(i, text.code) for i in wrapped_]) |
| else: |
| wrapped = T.cast('T.List[LOGLINE]', wrapped_) |
| # Add padding here to get even rows, as `textwrap.wrap()` will |
| # only shorten, not lengthen each item |
| return [str(i) + ' ' * (width - len(i)) for i in wrapped] |
| |
| # wrap will take a long string, and create a list of strings no |
| # longer than the size given. Then that list can be zipped into, to |
| # print each line of the output, such the that columns are printed |
| # to the right width, row by row. |
| name = wrap_text(line[0], four_column[0]) |
| val = wrap_text(line[1], four_column[1]) |
| choice = wrap_text(line[2], four_column[2]) |
| desc = wrap_text(line[3], four_column[3]) |
| for l in itertools.zip_longest(name, val, choice, desc, fillvalue=''): |
| items = [l[i] if l[i] else ' ' * four_column[i] for i in range(4)] |
| mlog.log(*items) |
| |
| def split_options_per_subproject(self, options: 'coredata.KeyedOptionDictType') -> T.Dict[str, 'coredata.MutableKeyedOptionDictType']: |
| result: T.Dict[str, 'coredata.MutableKeyedOptionDictType'] = {} |
| for k, o in options.items(): |
| if k.subproject: |
| self.all_subprojects.add(k.subproject) |
| result.setdefault(k.subproject, {})[k] = o |
| return result |
| |
| def _add_line(self, name: LOGLINE, value: LOGLINE, choices: LOGLINE, descr: LOGLINE) -> None: |
| if isinstance(name, mlog.AnsiDecorator): |
| name.text = ' ' * self.print_margin + name.text |
| else: |
| name = ' ' * self.print_margin + name |
| self.name_col.append(name) |
| self.value_col.append(value) |
| self.choices_col.append(choices) |
| self.descr_col.append(descr) |
| |
| def add_option(self, name: str, descr: str, value: T.Any, choices: T.Any) -> None: |
| value = stringify(value) |
| choices = stringify(choices) |
| self._add_line(mlog.green(name), mlog.yellow(value), mlog.blue(choices), descr) |
| |
| def add_title(self, title: str) -> None: |
| newtitle = mlog.cyan(title) |
| descr = mlog.cyan('Description') |
| value = mlog.cyan('Default Value' if self.default_values_only else 'Current Value') |
| choices = mlog.cyan('Possible Values') |
| self._add_line('', '', '', '') |
| self._add_line(newtitle, value, choices, descr) |
| self._add_line('-' * len(newtitle), '-' * len(value), '-' * len(choices), '-' * len(descr)) |
| |
| def add_section(self, section: str) -> None: |
| self.print_margin = 0 |
| self._add_line('', '', '', '') |
| self._add_line(mlog.normal_yellow(section + ':'), '', '', '') |
| self.print_margin = 2 |
| |
| def print_options(self, title: str, options: 'coredata.KeyedOptionDictType') -> None: |
| if not options: |
| return |
| if title: |
| self.add_title(title) |
| auto = T.cast('coredata.UserFeatureOption', self.coredata.options[OptionKey('auto_features')]) |
| for k, o in sorted(options.items()): |
| printable_value = o.printable_value() |
| root = k.as_root() |
| if o.yielding and k.subproject and root in self.coredata.options: |
| printable_value = '<inherited from main project>' |
| if isinstance(o, coredata.UserFeatureOption) and o.is_auto(): |
| printable_value = auto.printable_value() |
| self.add_option(str(root), o.description, printable_value, o.choices) |
| |
| def print_conf(self, pager: bool) -> None: |
| if pager: |
| mlog.start_pager() |
| |
| def print_default_values_warning() -> None: |
| mlog.warning('The source directory instead of the build directory was specified.') |
| mlog.warning('Only the default values for the project are printed.') |
| |
| if self.default_values_only: |
| print_default_values_warning() |
| mlog.log('') |
| |
| mlog.log('Core properties:') |
| mlog.log(' Source dir', self.source_dir) |
| if not self.default_values_only: |
| mlog.log(' Build dir ', self.build_dir) |
| |
| dir_option_names = set(coredata.BUILTIN_DIR_OPTIONS) |
| test_option_names = {OptionKey('errorlogs'), |
| OptionKey('stdsplit')} |
| |
| dir_options: 'coredata.MutableKeyedOptionDictType' = {} |
| test_options: 'coredata.MutableKeyedOptionDictType' = {} |
| core_options: 'coredata.MutableKeyedOptionDictType' = {} |
| module_options: T.Dict[str, 'coredata.MutableKeyedOptionDictType'] = collections.defaultdict(dict) |
| for k, v in self.coredata.options.items(): |
| if k in dir_option_names: |
| dir_options[k] = v |
| elif k in test_option_names: |
| test_options[k] = v |
| elif k.module: |
| # Ignore module options if we did not use that module during |
| # configuration. |
| if self.build and k.module not in self.build.modules: |
| continue |
| module_options[k.module][k] = v |
| elif k.is_builtin(): |
| core_options[k] = v |
| |
| host_core_options = self.split_options_per_subproject({k: v for k, v in core_options.items() if k.machine is MachineChoice.HOST}) |
| build_core_options = self.split_options_per_subproject({k: v for k, v in core_options.items() if k.machine is MachineChoice.BUILD}) |
| host_compiler_options = self.split_options_per_subproject({k: v for k, v in self.coredata.options.items() if k.is_compiler() and k.machine is MachineChoice.HOST}) |
| build_compiler_options = self.split_options_per_subproject({k: v for k, v in self.coredata.options.items() if k.is_compiler() and k.machine is MachineChoice.BUILD}) |
| project_options = self.split_options_per_subproject({k: v for k, v in self.coredata.options.items() if k.is_project()}) |
| show_build_options = self.default_values_only or self.build.environment.is_cross_build() |
| |
| self.add_section('Main project options') |
| self.print_options('Core options', host_core_options['']) |
| if show_build_options: |
| self.print_options('', build_core_options['']) |
| self.print_options('Backend options', {k: v for k, v in self.coredata.options.items() if k.is_backend()}) |
| self.print_options('Base options', {k: v for k, v in self.coredata.options.items() if k.is_base()}) |
| self.print_options('Compiler options', host_compiler_options.get('', {})) |
| if show_build_options: |
| self.print_options('', build_compiler_options.get('', {})) |
| for mod, mod_options in module_options.items(): |
| self.print_options(f'{mod} module options', mod_options) |
| self.print_options('Directories', dir_options) |
| self.print_options('Testing options', test_options) |
| self.print_options('Project options', project_options.get('', {})) |
| for subproject in sorted(self.all_subprojects): |
| if subproject == '': |
| continue |
| self.add_section('Subproject ' + subproject) |
| if subproject in host_core_options: |
| self.print_options('Core options', host_core_options[subproject]) |
| if subproject in build_core_options and show_build_options: |
| self.print_options('', build_core_options[subproject]) |
| if subproject in host_compiler_options: |
| self.print_options('Compiler options', host_compiler_options[subproject]) |
| if subproject in build_compiler_options and show_build_options: |
| self.print_options('', build_compiler_options[subproject]) |
| if subproject in project_options: |
| self.print_options('Project options', project_options[subproject]) |
| self.print_aligned() |
| |
| # Print the warning twice so that the user shouldn't be able to miss it |
| if self.default_values_only: |
| mlog.log('') |
| print_default_values_warning() |
| |
| self.print_nondefault_buildtype_options() |
| |
| def print_nondefault_buildtype_options(self) -> None: |
| mismatching = self.coredata.get_nondefault_buildtype_args() |
| if not mismatching: |
| return |
| mlog.log("\nThe following option(s) have a different value than the build type default\n") |
| mlog.log(' current default') |
| for m in mismatching: |
| mlog.log(f'{m[0]:21}{m[1]:10}{m[2]:10}') |
| |
| def run_impl(options: CMDOptions, builddir: str) -> int: |
| print_only = not options.cmd_line_options and not options.clearcache |
| c = None |
| try: |
| c = Conf(builddir) |
| if c.default_values_only and not print_only: |
| raise mesonlib.MesonException('No valid build directory found, cannot modify options.') |
| if c.default_values_only or print_only: |
| c.print_conf(options.pager) |
| return 0 |
| |
| save = False |
| if options.cmd_line_options: |
| save = c.set_options(options.cmd_line_options) |
| coredata.update_cmd_line_file(builddir, options) |
| if options.clearcache: |
| c.clear_cache() |
| save = True |
| 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: |
| mlog.log('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 |
| except BrokenPipeError: |
| # Pager quit before we wrote everything. |
| pass |
| return 0 |
| |
| def run(options: CMDOptions) -> int: |
| coredata.parse_cmd_line_options(options) |
| builddir = os.path.abspath(os.path.realpath(options.builddir)) |
| return run_impl(options, builddir) |
