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1223 lines
51 KiB
1223 lines
51 KiB
# Copyrighs 2012-2019 The Meson development team |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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from . import mlog, mparser |
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import pickle, os, uuid |
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import sys |
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from itertools import chain |
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from pathlib import PurePath |
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from collections import OrderedDict, defaultdict |
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from .mesonlib import ( |
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MesonException, MachineChoice, PerMachine, OrderedSet, |
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default_libdir, default_libexecdir, default_prefix, split_args |
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) |
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from .envconfig import get_env_var_pair |
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from .wrap import WrapMode |
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import ast |
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import argparse |
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import configparser |
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import enum |
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import shlex |
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import typing as T |
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if T.TYPE_CHECKING: |
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from . import dependencies |
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from .compilers import Compiler # noqa: F401 |
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from .environment import Environment |
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OptionDictType = T.Dict[str, 'UserOption[T.Any]'] |
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version = '0.55.999' |
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backendlist = ['ninja', 'vs', 'vs2010', 'vs2015', 'vs2017', 'vs2019', 'xcode'] |
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default_yielding = False |
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# Can't bind this near the class method it seems, sadly. |
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_T = T.TypeVar('_T') |
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class UserOption(T.Generic[_T]): |
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def __init__(self, description, choices, yielding): |
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super().__init__() |
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self.choices = choices |
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self.description = description |
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if yielding is None: |
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yielding = default_yielding |
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if not isinstance(yielding, bool): |
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raise MesonException('Value of "yielding" must be a boolean.') |
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self.yielding = yielding |
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def printable_value(self): |
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return self.value |
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# Check that the input is a valid value and return the |
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# "cleaned" or "native" version. For example the Boolean |
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# option could take the string "true" and return True. |
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def validate_value(self, value: T.Any) -> _T: |
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raise RuntimeError('Derived option class did not override validate_value.') |
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def set_value(self, newvalue): |
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self.value = self.validate_value(newvalue) |
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class UserStringOption(UserOption[str]): |
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def __init__(self, description, value, choices=None, yielding=None): |
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super().__init__(description, choices, yielding) |
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self.set_value(value) |
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def validate_value(self, value): |
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if not isinstance(value, str): |
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raise MesonException('Value "%s" for string option is not a string.' % str(value)) |
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return value |
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class UserBooleanOption(UserOption[bool]): |
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def __init__(self, description, value, yielding=None): |
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super().__init__(description, [True, False], yielding) |
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self.set_value(value) |
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def __bool__(self) -> bool: |
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return self.value |
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def validate_value(self, value) -> bool: |
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if isinstance(value, bool): |
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return value |
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if value.lower() == 'true': |
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return True |
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if value.lower() == 'false': |
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return False |
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raise MesonException('Value %s is not boolean (true or false).' % value) |
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class UserIntegerOption(UserOption[int]): |
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def __init__(self, description, value, yielding=None): |
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min_value, max_value, default_value = value |
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self.min_value = min_value |
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self.max_value = max_value |
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c = [] |
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if min_value is not None: |
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c.append('>=' + str(min_value)) |
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if max_value is not None: |
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c.append('<=' + str(max_value)) |
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choices = ', '.join(c) |
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super().__init__(description, choices, yielding) |
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self.set_value(default_value) |
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def validate_value(self, value) -> int: |
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if isinstance(value, str): |
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value = self.toint(value) |
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if not isinstance(value, int): |
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raise MesonException('New value for integer option is not an integer.') |
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if self.min_value is not None and value < self.min_value: |
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raise MesonException('New value %d is less than minimum value %d.' % (value, self.min_value)) |
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if self.max_value is not None and value > self.max_value: |
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raise MesonException('New value %d is more than maximum value %d.' % (value, self.max_value)) |
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return value |
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def toint(self, valuestring) -> int: |
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try: |
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return int(valuestring) |
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except ValueError: |
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raise MesonException('Value string "%s" is not convertible to an integer.' % valuestring) |
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class UserUmaskOption(UserIntegerOption, UserOption[T.Union[str, int]]): |
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def __init__(self, description, value, yielding=None): |
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super().__init__(description, (0, 0o777, value), yielding) |
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self.choices = ['preserve', '0000-0777'] |
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def printable_value(self): |
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if self.value == 'preserve': |
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return self.value |
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return format(self.value, '04o') |
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def validate_value(self, value): |
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if value is None or value == 'preserve': |
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return 'preserve' |
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return super().validate_value(value) |
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def toint(self, valuestring): |
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try: |
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return int(valuestring, 8) |
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except ValueError as e: |
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raise MesonException('Invalid mode: {}'.format(e)) |
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class UserComboOption(UserOption[str]): |
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def __init__(self, description, choices: T.List[str], value, yielding=None): |
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super().__init__(description, choices, yielding) |
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if not isinstance(self.choices, list): |
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raise MesonException('Combo choices must be an array.') |
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for i in self.choices: |
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if not isinstance(i, str): |
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raise MesonException('Combo choice elements must be strings.') |
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self.set_value(value) |
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def validate_value(self, value): |
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if value not in self.choices: |
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optionsstring = ', '.join(['"%s"' % (item,) for item in self.choices]) |
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raise MesonException('Value "{}" for combo option "{}" is not one of the choices.' |
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' Possible choices are: {}.'.format( |
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value, self.description, optionsstring)) |
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return value |
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class UserArrayOption(UserOption[T.List[str]]): |
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def __init__(self, description, value, split_args=False, user_input=False, allow_dups=False, **kwargs): |
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super().__init__(description, kwargs.get('choices', []), yielding=kwargs.get('yielding', None)) |
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self.split_args = split_args |
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self.allow_dups = allow_dups |
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self.value = self.validate_value(value, user_input=user_input) |
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def validate_value(self, value, user_input: bool = True) -> T.List[str]: |
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# User input is for options defined on the command line (via -D |
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# options). Users can put their input in as a comma separated |
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# string, but for defining options in meson_options.txt the format |
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# should match that of a combo |
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if not user_input and isinstance(value, str) and not value.startswith('['): |
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raise MesonException('Value does not define an array: ' + value) |
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if isinstance(value, str): |
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if value.startswith('['): |
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try: |
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newvalue = ast.literal_eval(value) |
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except ValueError: |
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raise MesonException('malformed option {}'.format(value)) |
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elif value == '': |
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newvalue = [] |
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else: |
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if self.split_args: |
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newvalue = split_args(value) |
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else: |
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newvalue = [v.strip() for v in value.split(',')] |
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elif isinstance(value, list): |
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newvalue = value |
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else: |
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raise MesonException('"{}" should be a string array, but it is not'.format(newvalue)) |
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if not self.allow_dups and len(set(newvalue)) != len(newvalue): |
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msg = 'Duplicated values in array option is deprecated. ' \ |
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'This will become a hard error in the future.' |
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mlog.deprecation(msg) |
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for i in newvalue: |
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if not isinstance(i, str): |
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raise MesonException('String array element "{0}" is not a string.'.format(str(newvalue))) |
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if self.choices: |
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bad = [x for x in newvalue if x not in self.choices] |
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if bad: |
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raise MesonException('Options "{}" are not in allowed choices: "{}"'.format( |
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', '.join(bad), ', '.join(self.choices))) |
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return newvalue |
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class UserFeatureOption(UserComboOption): |
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static_choices = ['enabled', 'disabled', 'auto'] |
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def __init__(self, description, value, yielding=None): |
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super().__init__(description, self.static_choices, value, yielding) |
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def is_enabled(self): |
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return self.value == 'enabled' |
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def is_disabled(self): |
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return self.value == 'disabled' |
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def is_auto(self): |
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return self.value == 'auto' |
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if T.TYPE_CHECKING: |
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CacheKeyType = T.Tuple[T.Tuple[T.Any, ...], ...] |
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SubCacheKeyType = T.Tuple[T.Any, ...] |
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class DependencyCacheType(enum.Enum): |
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OTHER = 0 |
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PKG_CONFIG = 1 |
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CMAKE = 2 |
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@classmethod |
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def from_type(cls, dep: 'dependencies.Dependency') -> 'DependencyCacheType': |
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from . import dependencies |
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# As more types gain search overrides they'll need to be added here |
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if isinstance(dep, dependencies.PkgConfigDependency): |
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return cls.PKG_CONFIG |
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if isinstance(dep, dependencies.CMakeDependency): |
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return cls.CMAKE |
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return cls.OTHER |
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class DependencySubCache: |
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def __init__(self, type_: DependencyCacheType): |
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self.types = [type_] |
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self.__cache = {} # type: T.Dict[SubCacheKeyType, dependencies.Dependency] |
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def __getitem__(self, key: 'SubCacheKeyType') -> 'dependencies.Dependency': |
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return self.__cache[key] |
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def __setitem__(self, key: 'SubCacheKeyType', value: 'dependencies.Dependency') -> None: |
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self.__cache[key] = value |
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def __contains__(self, key: 'SubCacheKeyType') -> bool: |
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return key in self.__cache |
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def values(self) -> T.Iterable['dependencies.Dependency']: |
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return self.__cache.values() |
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class DependencyCache: |
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"""Class that stores a cache of dependencies. |
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This class is meant to encapsulate the fact that we need multiple keys to |
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successfully lookup by providing a simple get/put interface. |
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""" |
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def __init__(self, builtins_per_machine: PerMachine[T.Dict[str, UserOption[T.Any]]], for_machine: MachineChoice): |
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self.__cache = OrderedDict() # type: T.MutableMapping[CacheKeyType, DependencySubCache] |
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self.__builtins_per_machine = builtins_per_machine |
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self.__for_machine = for_machine |
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def __calculate_subkey(self, type_: DependencyCacheType) -> T.Tuple[T.Any, ...]: |
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if type_ is DependencyCacheType.PKG_CONFIG: |
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return tuple(self.__builtins_per_machine[self.__for_machine]['pkg_config_path'].value) |
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elif type_ is DependencyCacheType.CMAKE: |
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return tuple(self.__builtins_per_machine[self.__for_machine]['cmake_prefix_path'].value) |
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assert type_ is DependencyCacheType.OTHER, 'Someone forgot to update subkey calculations for a new type' |
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return tuple() |
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def __iter__(self) -> T.Iterator['CacheKeyType']: |
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return self.keys() |
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def put(self, key: 'CacheKeyType', dep: 'dependencies.Dependency') -> None: |
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t = DependencyCacheType.from_type(dep) |
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if key not in self.__cache: |
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self.__cache[key] = DependencySubCache(t) |
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subkey = self.__calculate_subkey(t) |
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self.__cache[key][subkey] = dep |
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def get(self, key: 'CacheKeyType') -> T.Optional['dependencies.Dependency']: |
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"""Get a value from the cache. |
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If there is no cache entry then None will be returned. |
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""" |
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try: |
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val = self.__cache[key] |
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except KeyError: |
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return None |
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for t in val.types: |
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subkey = self.__calculate_subkey(t) |
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try: |
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return val[subkey] |
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except KeyError: |
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pass |
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return None |
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def values(self) -> T.Iterator['dependencies.Dependency']: |
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for c in self.__cache.values(): |
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yield from c.values() |
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def keys(self) -> T.Iterator['CacheKeyType']: |
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return iter(self.__cache.keys()) |
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def items(self) -> T.Iterator[T.Tuple['CacheKeyType', T.List['dependencies.Dependency']]]: |
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for k, v in self.__cache.items(): |
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vs = [] |
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for t in v.types: |
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subkey = self.__calculate_subkey(t) |
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if subkey in v: |
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vs.append(v[subkey]) |
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yield k, vs |
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def clear(self) -> None: |
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self.__cache.clear() |
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# Can't bind this near the class method it seems, sadly. |
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_V = T.TypeVar('_V') |
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# This class contains all data that must persist over multiple |
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# invocations of Meson. It is roughly the same thing as |
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# cmakecache. |
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class CoreData: |
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def __init__(self, options: argparse.Namespace, scratch_dir: str): |
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self.lang_guids = { |
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'default': '8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942', |
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'c': '8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942', |
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'cpp': '8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942', |
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'test': '3AC096D0-A1C2-E12C-1390-A8335801FDAB', |
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'directory': '2150E333-8FDC-42A3-9474-1A3956D46DE8', |
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} |
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self.test_guid = str(uuid.uuid4()).upper() |
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self.regen_guid = str(uuid.uuid4()).upper() |
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self.install_guid = str(uuid.uuid4()).upper() |
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self.target_guids = {} |
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self.version = version |
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self.builtins = {} # : OptionDictType |
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self.builtins_per_machine = PerMachine({}, {}) |
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self.backend_options = {} # : OptionDictType |
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self.user_options = {} # : OptionDictType |
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self.compiler_options = PerMachine( |
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defaultdict(dict), |
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defaultdict(dict), |
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) # : PerMachine[T.defaultdict[str, OptionDictType]] |
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self.base_options = {} # : OptionDictType |
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self.cross_files = self.__load_config_files(options, scratch_dir, 'cross') |
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self.compilers = PerMachine(OrderedDict(), OrderedDict()) |
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build_cache = DependencyCache(self.builtins_per_machine, MachineChoice.BUILD) |
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host_cache = DependencyCache(self.builtins_per_machine, MachineChoice.BUILD) |
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self.deps = PerMachine(build_cache, host_cache) # type: PerMachine[DependencyCache] |
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self.compiler_check_cache = OrderedDict() |
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# Only to print a warning if it changes between Meson invocations. |
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self.config_files = self.__load_config_files(options, scratch_dir, 'native') |
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self.builtin_options_libdir_cross_fixup() |
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self.init_builtins('') |
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@staticmethod |
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def __load_config_files(options: argparse.Namespace, scratch_dir: str, ftype: str) -> T.List[str]: |
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# Need to try and make the passed filenames absolute because when the |
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# files are parsed later we'll have chdir()d. |
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if ftype == 'cross': |
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filenames = options.cross_file |
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else: |
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filenames = options.native_file |
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if not filenames: |
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return [] |
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found_invalid = [] # type: T.List[str] |
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missing = [] # type: T.List[str] |
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real = [] # type: T.List[str] |
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for i, f in enumerate(filenames): |
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f = os.path.expanduser(os.path.expandvars(f)) |
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if os.path.exists(f): |
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if os.path.isfile(f): |
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real.append(os.path.abspath(f)) |
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continue |
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elif os.path.isdir(f): |
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found_invalid.append(os.path.abspath(f)) |
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else: |
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# in this case we've been passed some kind of pipe, copy |
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# the contents of that file into the meson private (scratch) |
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# directory so that it can be re-read when wiping/reconfiguring |
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copy = os.path.join(scratch_dir, '{}.{}.ini'.format(uuid.uuid4(), ftype)) |
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with open(f, 'r') as rf: |
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with open(copy, 'w') as wf: |
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wf.write(rf.read()) |
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real.append(copy) |
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|
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# Also replace the command line argument, as the pipe |
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# probably won't exist on reconfigure |
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filenames[i] = copy |
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continue |
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if sys.platform != 'win32': |
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paths = [ |
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os.environ.get('XDG_DATA_HOME', os.path.expanduser('~/.local/share')), |
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] + os.environ.get('XDG_DATA_DIRS', '/usr/local/share:/usr/share').split(':') |
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for path in paths: |
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path_to_try = os.path.join(path, 'meson', ftype, f) |
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if os.path.isfile(path_to_try): |
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real.append(path_to_try) |
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break |
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else: |
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missing.append(f) |
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else: |
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missing.append(f) |
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|
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if missing: |
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if found_invalid: |
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mlog.log('Found invalid candidates for', ftype, 'file:', *found_invalid) |
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mlog.log('Could not find any valid candidate for', ftype, 'files:', *missing) |
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raise MesonException('Cannot find specified {} file: {}'.format(ftype, f)) |
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return real |
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|
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def builtin_options_libdir_cross_fixup(self): |
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# By default set libdir to "lib" when cross compiling since |
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# getting the "system default" is always wrong on multiarch |
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# platforms as it gets a value like lib/x86_64-linux-gnu. |
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if self.cross_files: |
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builtin_options['libdir'].default = 'lib' |
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|
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def sanitize_prefix(self, prefix): |
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prefix = os.path.expanduser(prefix) |
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if not os.path.isabs(prefix): |
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raise MesonException('prefix value {!r} must be an absolute path' |
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''.format(prefix)) |
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if prefix.endswith('/') or prefix.endswith('\\'): |
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# On Windows we need to preserve the trailing slash if the |
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# string is of type 'C:\' because 'C:' is not an absolute path. |
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if len(prefix) == 3 and prefix[1] == ':': |
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pass |
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# If prefix is a single character, preserve it since it is |
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# the root directory. |
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elif len(prefix) == 1: |
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pass |
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else: |
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prefix = prefix[:-1] |
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return prefix |
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|
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def sanitize_dir_option_value(self, prefix: str, option: str, value: T.Any) -> T.Any: |
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''' |
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If the option is an installation directory option and the value is an |
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absolute path, check that it resides within prefix and return the value |
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as a path relative to the prefix. |
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|
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This way everyone can do f.ex, get_option('libdir') and be sure to get |
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the library directory relative to prefix. |
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|
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.as_posix() keeps the posix-like file seperators Meson uses. |
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''' |
|
try: |
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value = PurePath(value) |
|
except TypeError: |
|
return value |
|
if option.endswith('dir') and value.is_absolute() and \ |
|
option not in builtin_dir_noprefix_options: |
|
# Value must be a subdir of the prefix |
|
# commonpath will always return a path in the native format, so we |
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# must use pathlib.PurePath to do the same conversion before |
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# comparing. |
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msg = ('The value of the {!r} option is \'{!s}\' which must be a ' |
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'subdir of the prefix {!r}.\nNote that if you pass a ' |
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'relative path, it is assumed to be a subdir of prefix.') |
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# os.path.commonpath doesn't understand case-insensitive filesystems, |
|
# but PurePath().relative_to() does. |
|
try: |
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value = value.relative_to(prefix) |
|
except ValueError: |
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raise MesonException(msg.format(option, value, prefix)) |
|
if '..' in str(value): |
|
raise MesonException(msg.format(option, value, prefix)) |
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return value.as_posix() |
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|
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def init_builtins(self, subproject: str): |
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# Create builtin options with default values |
|
for key, opt in builtin_options.items(): |
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self.add_builtin_option(self.builtins, key, opt, subproject) |
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for for_machine in iter(MachineChoice): |
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for key, opt in builtin_options_per_machine.items(): |
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self.add_builtin_option(self.builtins_per_machine[for_machine], key, opt, subproject) |
|
|
|
def add_builtin_option(self, opts_map, key, opt, subproject): |
|
if subproject: |
|
if opt.yielding: |
|
# This option is global and not per-subproject |
|
return |
|
optname = subproject + ':' + key |
|
value = opts_map[key].value |
|
else: |
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optname = key |
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value = None |
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opts_map[optname] = opt.init_option(key, value, default_prefix()) |
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|
|
def init_backend_options(self, backend_name): |
|
if backend_name == 'ninja': |
|
self.backend_options['backend_max_links'] = \ |
|
UserIntegerOption( |
|
'Maximum number of linker processes to run or 0 for no ' |
|
'limit', |
|
(0, None, 0)) |
|
elif backend_name.startswith('vs'): |
|
self.backend_options['backend_startup_project'] = \ |
|
UserStringOption( |
|
'Default project to execute in Visual Studio', |
|
'') |
|
|
|
def get_builtin_option(self, optname, subproject=''): |
|
raw_optname = optname |
|
if subproject: |
|
optname = subproject + ':' + optname |
|
for opts in self._get_all_builtin_options(): |
|
v = opts.get(optname) |
|
if v is None or v.yielding: |
|
v = opts.get(raw_optname) |
|
if v is None: |
|
continue |
|
if raw_optname == 'wrap_mode': |
|
return WrapMode.from_string(v.value) |
|
return v.value |
|
raise RuntimeError('Tried to get unknown builtin option %s.' % raw_optname) |
|
|
|
def _try_set_builtin_option(self, optname, value): |
|
for opts in self._get_all_builtin_options(): |
|
opt = opts.get(optname) |
|
if opt is None: |
|
continue |
|
if optname == 'prefix': |
|
value = self.sanitize_prefix(value) |
|
else: |
|
prefix = self.builtins['prefix'].value |
|
value = self.sanitize_dir_option_value(prefix, optname, value) |
|
break |
|
else: |
|
return False |
|
opt.set_value(value) |
|
# Make sure that buildtype matches other settings. |
|
if optname == 'buildtype': |
|
self.set_others_from_buildtype(value) |
|
else: |
|
self.set_buildtype_from_others() |
|
return True |
|
|
|
def set_builtin_option(self, optname, value): |
|
res = self._try_set_builtin_option(optname, value) |
|
if not res: |
|
raise RuntimeError('Tried to set unknown builtin option %s.' % optname) |
|
|
|
def set_others_from_buildtype(self, value): |
|
if value == 'plain': |
|
opt = '0' |
|
debug = False |
|
elif value == 'debug': |
|
opt = '0' |
|
debug = True |
|
elif value == 'debugoptimized': |
|
opt = '2' |
|
debug = True |
|
elif value == 'release': |
|
opt = '3' |
|
debug = False |
|
elif value == 'minsize': |
|
opt = 's' |
|
debug = True |
|
else: |
|
assert(value == 'custom') |
|
return |
|
self.builtins['optimization'].set_value(opt) |
|
self.builtins['debug'].set_value(debug) |
|
|
|
def set_buildtype_from_others(self): |
|
opt = self.builtins['optimization'].value |
|
debug = self.builtins['debug'].value |
|
if opt == '0' and not debug: |
|
mode = 'plain' |
|
elif opt == '0' and debug: |
|
mode = 'debug' |
|
elif opt == '2' and debug: |
|
mode = 'debugoptimized' |
|
elif opt == '3' and not debug: |
|
mode = 'release' |
|
elif opt == 's' and debug: |
|
mode = 'minsize' |
|
else: |
|
mode = 'custom' |
|
self.builtins['buildtype'].set_value(mode) |
|
|
|
@classmethod |
|
def get_prefixed_options_per_machine( |
|
cls, |
|
options_per_machine # : PerMachine[T.Dict[str, _V]]] |
|
) -> T.Iterable[T.Tuple[str, _V]]: |
|
return cls._flatten_pair_iterator( |
|
(for_machine.get_prefix(), options_per_machine[for_machine]) |
|
for for_machine in iter(MachineChoice) |
|
) |
|
|
|
@classmethod |
|
def flatten_lang_iterator( |
|
cls, |
|
outer # : T.Iterable[T.Tuple[str, T.Dict[str, _V]]] |
|
) -> T.Iterable[T.Tuple[str, _V]]: |
|
return cls._flatten_pair_iterator((lang + '_', opts) for lang, opts in outer) |
|
|
|
@staticmethod |
|
def _flatten_pair_iterator( |
|
outer # : T.Iterable[T.Tuple[str, T.Dict[str, _V]]] |
|
) -> T.Iterable[T.Tuple[str, _V]]: |
|
for k0, v0 in outer: |
|
for k1, v1 in v0.items(): |
|
yield (k0 + k1, v1) |
|
|
|
def _get_all_nonbuiltin_options(self) -> T.Iterable[T.Dict[str, UserOption]]: |
|
yield self.backend_options |
|
yield self.user_options |
|
yield dict(self.flatten_lang_iterator(self.get_prefixed_options_per_machine(self.compiler_options))) |
|
yield self.base_options |
|
|
|
def _get_all_builtin_options(self) -> T.Iterable[T.Dict[str, UserOption]]: |
|
yield dict(self.get_prefixed_options_per_machine(self.builtins_per_machine)) |
|
yield self.builtins |
|
|
|
def get_all_options(self) -> T.Iterable[T.Dict[str, UserOption]]: |
|
yield from self._get_all_nonbuiltin_options() |
|
yield from self._get_all_builtin_options() |
|
|
|
def validate_option_value(self, option_name, override_value): |
|
for opts in self.get_all_options(): |
|
opt = opts.get(option_name) |
|
if opt is not None: |
|
try: |
|
return opt.validate_value(override_value) |
|
except MesonException as e: |
|
raise type(e)(('Validation failed for option %s: ' % option_name) + str(e)) \ |
|
.with_traceback(sys.exc_info()[2]) |
|
raise MesonException('Tried to validate unknown option %s.' % option_name) |
|
|
|
def get_external_args(self, for_machine: MachineChoice, lang): |
|
return self.compiler_options[for_machine][lang]['args'].value |
|
|
|
def get_external_link_args(self, for_machine: MachineChoice, lang): |
|
return self.compiler_options[for_machine][lang]['link_args'].value |
|
|
|
def merge_user_options(self, options): |
|
for (name, value) in options.items(): |
|
if name not in self.user_options: |
|
self.user_options[name] = value |
|
else: |
|
oldval = self.user_options[name] |
|
if type(oldval) != type(value): |
|
self.user_options[name] = value |
|
|
|
def is_cross_build(self, when_building_for: MachineChoice = MachineChoice.HOST) -> bool: |
|
if when_building_for == MachineChoice.BUILD: |
|
return False |
|
return len(self.cross_files) > 0 |
|
|
|
def strip_build_option_names(self, options): |
|
res = OrderedDict() |
|
for k, v in options.items(): |
|
if k.startswith('build.'): |
|
k = k.split('.', 1)[1] |
|
res[k] = v |
|
return res |
|
|
|
def copy_build_options_from_regular_ones(self): |
|
assert(not self.is_cross_build()) |
|
for k, o in self.builtins_per_machine.host.items(): |
|
self.builtins_per_machine.build[k].set_value(o.value) |
|
for lang, host_opts in self.compiler_options.host.items(): |
|
build_opts = self.compiler_options.build[lang] |
|
for k, o in host_opts.items(): |
|
if k in build_opts: |
|
build_opts[k].set_value(o.value) |
|
|
|
def set_options(self, options, *, subproject='', warn_unknown=True): |
|
if not self.is_cross_build(): |
|
options = self.strip_build_option_names(options) |
|
# Set prefix first because it's needed to sanitize other options |
|
if 'prefix' in options: |
|
prefix = self.sanitize_prefix(options['prefix']) |
|
self.builtins['prefix'].set_value(prefix) |
|
for key in builtin_dir_noprefix_options: |
|
if key not in options: |
|
self.builtins[key].set_value(builtin_options[key].prefixed_default(key, prefix)) |
|
|
|
unknown_options = [] |
|
for k, v in options.items(): |
|
if k == 'prefix': |
|
continue |
|
if self._try_set_builtin_option(k, v): |
|
continue |
|
for opts in self._get_all_nonbuiltin_options(): |
|
tgt = opts.get(k) |
|
if tgt is None: |
|
continue |
|
tgt.set_value(v) |
|
break |
|
else: |
|
unknown_options.append(k) |
|
if unknown_options and warn_unknown: |
|
unknown_options = ', '.join(sorted(unknown_options)) |
|
sub = 'In subproject {}: '.format(subproject) if subproject else '' |
|
mlog.warning('{}Unknown options: "{}"'.format(sub, unknown_options)) |
|
mlog.log('The value of new options can be set with:') |
|
mlog.log(mlog.bold('meson setup <builddir> --reconfigure -Dnew_option=new_value ...')) |
|
if not self.is_cross_build(): |
|
self.copy_build_options_from_regular_ones() |
|
|
|
def set_default_options(self, default_options, subproject, env): |
|
# Warn if the user is using two different ways of setting build-type |
|
# options that override each other |
|
if 'buildtype' in env.cmd_line_options and \ |
|
('optimization' in env.cmd_line_options or 'debug' in env.cmd_line_options): |
|
mlog.warning('Recommend using either -Dbuildtype or -Doptimization + -Ddebug. ' |
|
'Using both is redundant since they override each other. ' |
|
'See: https://mesonbuild.com/Builtin-options.html#build-type-options') |
|
cmd_line_options = OrderedDict() |
|
# Set project default_options as if they were passed to the cmdline. |
|
# Subprojects can only define default for user options and not yielding |
|
# builtin option. |
|
from . import optinterpreter |
|
for k, v in default_options.items(): |
|
if subproject: |
|
if (k not in builtin_options or builtin_options[k].yielding) \ |
|
and optinterpreter.is_invalid_name(k, log=False): |
|
continue |
|
k = subproject + ':' + k |
|
cmd_line_options[k] = v |
|
|
|
# Override project default_options using conf files (cross or native) |
|
for k, v in env.paths.host: |
|
if v is not None: |
|
cmd_line_options[k] = v |
|
|
|
# Override all the above defaults using the command-line arguments |
|
# actually passed to us |
|
cmd_line_options.update(env.cmd_line_options) |
|
env.cmd_line_options = cmd_line_options |
|
|
|
# Create a subset of cmd_line_options, keeping only options for this |
|
# subproject. Also take builtin options if it's the main project. |
|
# Language and backend specific options will be set later when adding |
|
# languages and setting the backend (builtin options must be set first |
|
# to know which backend we'll use). |
|
options = OrderedDict() |
|
|
|
# Some options default to environment variables if they are |
|
# unset, set those now. These will either be overwritten |
|
# below, or they won't. These should only be set on the first run. |
|
for for_machine in MachineChoice: |
|
p_env_pair = get_env_var_pair(for_machine, self.is_cross_build(), 'PKG_CONFIG_PATH') |
|
if p_env_pair is not None: |
|
p_env_var, p_env = p_env_pair |
|
|
|
# PKG_CONFIG_PATH may contain duplicates, which must be |
|
# removed, else a duplicates-in-array-option warning arises. |
|
p_list = list(OrderedSet(p_env.split(':'))) |
|
|
|
key = 'pkg_config_path' |
|
if for_machine == MachineChoice.BUILD: |
|
key = 'build.' + key |
|
|
|
if env.first_invocation: |
|
options[key] = p_list |
|
elif options.get(key, []) != p_list: |
|
mlog.warning( |
|
p_env_var + |
|
' environment variable has changed ' |
|
'between configurations, meson ignores this. ' |
|
'Use -Dpkg_config_path to change pkg-config search ' |
|
'path instead.' |
|
) |
|
|
|
def remove_prefix(text, prefix): |
|
if text.startswith(prefix): |
|
return text[len(prefix):] |
|
return text |
|
|
|
for k, v in env.cmd_line_options.items(): |
|
if subproject: |
|
if not k.startswith(subproject + ':'): |
|
continue |
|
elif k not in builtin_options.keys() \ |
|
and remove_prefix(k, 'build.') not in builtin_options_per_machine.keys(): |
|
if ':' in k: |
|
continue |
|
if optinterpreter.is_invalid_name(k, log=False): |
|
continue |
|
options[k] = v |
|
|
|
self.set_options(options, subproject=subproject) |
|
|
|
def add_lang_args(self, lang: str, comp: T.Type['Compiler'], |
|
for_machine: MachineChoice, env: 'Environment') -> None: |
|
"""Add global language arguments that are needed before compiler/linker detection.""" |
|
from .compilers import compilers |
|
|
|
for k, o in compilers.get_global_options( |
|
lang, |
|
comp, |
|
for_machine, |
|
env.is_cross_build(), |
|
env.properties[for_machine]).items(): |
|
# prefixed compiler options affect just this machine |
|
opt_prefix = for_machine.get_prefix() |
|
user_k = opt_prefix + lang + '_' + k |
|
if user_k in env.cmd_line_options: |
|
o.set_value(env.cmd_line_options[user_k]) |
|
self.compiler_options[for_machine][lang].setdefault(k, o) |
|
|
|
def process_new_compiler(self, lang: str, comp: T.Type['Compiler'], env: 'Environment') -> None: |
|
from . import compilers |
|
|
|
self.compilers[comp.for_machine][lang] = comp |
|
enabled_opts = [] |
|
|
|
for k, o in comp.get_options().items(): |
|
# prefixed compiler options affect just this machine |
|
opt_prefix = comp.for_machine.get_prefix() |
|
user_k = opt_prefix + lang + '_' + k |
|
if user_k in env.cmd_line_options: |
|
o.set_value(env.cmd_line_options[user_k]) |
|
self.compiler_options[comp.for_machine][lang].setdefault(k, o) |
|
|
|
enabled_opts = [] |
|
for optname in comp.base_options: |
|
if optname in self.base_options: |
|
continue |
|
oobj = compilers.base_options[optname] |
|
if optname in env.cmd_line_options: |
|
oobj.set_value(env.cmd_line_options[optname]) |
|
enabled_opts.append(optname) |
|
self.base_options[optname] = oobj |
|
self.emit_base_options_warnings(enabled_opts) |
|
|
|
def emit_base_options_warnings(self, enabled_opts: list): |
|
if 'b_bitcode' in enabled_opts: |
|
mlog.warning('Base option \'b_bitcode\' is enabled, which is incompatible with many linker options. Incompatible options such as \'b_asneeded\' have been disabled.', fatal=False) |
|
mlog.warning('Please see https://mesonbuild.com/Builtin-options.html#Notes_about_Apple_Bitcode_support for more details.', fatal=False) |
|
|
|
class CmdLineFileParser(configparser.ConfigParser): |
|
def __init__(self): |
|
# We don't want ':' as key delimiter, otherwise it would break when |
|
# storing subproject options like "subproject:option=value" |
|
super().__init__(delimiters=['='], interpolation=None) |
|
|
|
class MachineFileParser(): |
|
def __init__(self, filenames: T.List[str]): |
|
self.parser = CmdLineFileParser() |
|
self.constants = {'True': True, 'False': False} |
|
self.sections = {} |
|
|
|
self.parser.read(filenames) |
|
|
|
# Parse [constants] first so they can be used in other sections |
|
if self.parser.has_section('constants'): |
|
self.constants.update(self._parse_section('constants')) |
|
|
|
for s in self.parser.sections(): |
|
if s == 'constants': |
|
continue |
|
self.sections[s] = self._parse_section(s) |
|
|
|
def _parse_section(self, s): |
|
self.scope = self.constants.copy() |
|
section = {} |
|
for entry, value in self.parser.items(s): |
|
if ' ' in entry or '\t' in entry or "'" in entry or '"' in entry: |
|
raise EnvironmentException('Malformed variable name {!r} in machine file.'.format(entry)) |
|
# Windows paths... |
|
value = value.replace('\\', '\\\\') |
|
try: |
|
ast = mparser.Parser(value, 'machinefile').parse() |
|
res = self._evaluate_statement(ast.lines[0]) |
|
except MesonException: |
|
raise EnvironmentException('Malformed value in machine file variable {!r}.'.format(entry)) |
|
except KeyError as e: |
|
raise EnvironmentException('Undefined constant {!r} in machine file variable {!r}.'.format(e.args[0], entry)) |
|
section[entry] = res |
|
self.scope[entry] = res |
|
return section |
|
|
|
def _evaluate_statement(self, node): |
|
if isinstance(node, (mparser.StringNode)): |
|
return node.value |
|
elif isinstance(node, mparser.BooleanNode): |
|
return node.value |
|
elif isinstance(node, mparser.NumberNode): |
|
return node.value |
|
elif isinstance(node, mparser.ArrayNode): |
|
return [self._evaluate_statement(arg) for arg in node.args.arguments] |
|
elif isinstance(node, mparser.IdNode): |
|
return self.scope[node.value] |
|
elif isinstance(node, mparser.ArithmeticNode): |
|
l = self._evaluate_statement(node.left) |
|
r = self._evaluate_statement(node.right) |
|
if node.operation == 'add': |
|
if (isinstance(l, str) and isinstance(r, str)) or \ |
|
(isinstance(l, list) and isinstance(r, list)): |
|
return l + r |
|
elif node.operation == 'div': |
|
if isinstance(l, str) and isinstance(r, str): |
|
return os.path.join(l, r) |
|
raise EnvironmentException('Unsupported node type') |
|
|
|
def parse_machine_files(filenames): |
|
parser = MachineFileParser(filenames) |
|
return parser.sections |
|
|
|
def get_cmd_line_file(build_dir): |
|
return os.path.join(build_dir, 'meson-private', 'cmd_line.txt') |
|
|
|
def read_cmd_line_file(build_dir, options): |
|
filename = get_cmd_line_file(build_dir) |
|
if not os.path.isfile(filename): |
|
return |
|
|
|
config = CmdLineFileParser() |
|
config.read(filename) |
|
|
|
# Do a copy because config is not really a dict. options.cmd_line_options |
|
# overrides values from the file. |
|
d = dict(config['options']) |
|
d.update(options.cmd_line_options) |
|
options.cmd_line_options = d |
|
|
|
properties = config['properties'] |
|
if not options.cross_file: |
|
options.cross_file = ast.literal_eval(properties.get('cross_file', '[]')) |
|
if not options.native_file: |
|
# This will be a string in the form: "['first', 'second', ...]", use |
|
# literal_eval to get it into the list of strings. |
|
options.native_file = ast.literal_eval(properties.get('native_file', '[]')) |
|
|
|
def cmd_line_options_to_string(options): |
|
return {k: str(v) for k, v in options.cmd_line_options.items()} |
|
|
|
def write_cmd_line_file(build_dir, options): |
|
filename = get_cmd_line_file(build_dir) |
|
config = CmdLineFileParser() |
|
|
|
properties = OrderedDict() |
|
if options.cross_file: |
|
properties['cross_file'] = options.cross_file |
|
if options.native_file: |
|
properties['native_file'] = options.native_file |
|
|
|
config['options'] = cmd_line_options_to_string(options) |
|
config['properties'] = properties |
|
with open(filename, 'w') as f: |
|
config.write(f) |
|
|
|
def update_cmd_line_file(build_dir, options): |
|
filename = get_cmd_line_file(build_dir) |
|
config = CmdLineFileParser() |
|
config.read(filename) |
|
config['options'].update(cmd_line_options_to_string(options)) |
|
with open(filename, 'w') as f: |
|
config.write(f) |
|
|
|
def get_cmd_line_options(build_dir, options): |
|
copy = argparse.Namespace(**vars(options)) |
|
read_cmd_line_file(build_dir, copy) |
|
cmdline = ['-D{}={}'.format(k, v) for k, v in copy.cmd_line_options.items()] |
|
if options.cross_file: |
|
cmdline += ['--cross-file {}'.format(f) for f in options.cross_file] |
|
if options.native_file: |
|
cmdline += ['--native-file {}'.format(f) for f in options.native_file] |
|
return ' '.join([shlex.quote(x) for x in cmdline]) |
|
|
|
def major_versions_differ(v1, v2): |
|
return v1.split('.')[0:2] != v2.split('.')[0:2] |
|
|
|
def load(build_dir): |
|
filename = os.path.join(build_dir, 'meson-private', 'coredata.dat') |
|
load_fail_msg = 'Coredata file {!r} is corrupted. Try with a fresh build tree.'.format(filename) |
|
try: |
|
with open(filename, 'rb') as f: |
|
obj = pickle.load(f) |
|
except (pickle.UnpicklingError, EOFError): |
|
raise MesonException(load_fail_msg) |
|
except AttributeError: |
|
raise MesonException( |
|
"Coredata file {!r} references functions or classes that don't " |
|
"exist. This probably means that it was generated with an old " |
|
"version of meson.".format(filename)) |
|
if not isinstance(obj, CoreData): |
|
raise MesonException(load_fail_msg) |
|
if major_versions_differ(obj.version, version): |
|
raise MesonException('Build directory has been generated with Meson version %s, ' |
|
'which is incompatible with current version %s.\n' % |
|
(obj.version, version)) |
|
return obj |
|
|
|
def save(obj, build_dir): |
|
filename = os.path.join(build_dir, 'meson-private', 'coredata.dat') |
|
prev_filename = filename + '.prev' |
|
tempfilename = filename + '~' |
|
if major_versions_differ(obj.version, version): |
|
raise MesonException('Fatal version mismatch corruption.') |
|
if os.path.exists(filename): |
|
import shutil |
|
shutil.copyfile(filename, prev_filename) |
|
with open(tempfilename, 'wb') as f: |
|
pickle.dump(obj, f) |
|
f.flush() |
|
os.fsync(f.fileno()) |
|
os.replace(tempfilename, filename) |
|
return filename |
|
|
|
|
|
def register_builtin_arguments(parser): |
|
for n, b in builtin_options.items(): |
|
b.add_to_argparse(n, parser, '', '') |
|
for n, b in builtin_options_per_machine.items(): |
|
b.add_to_argparse(n, parser, '', ' (just for host machine)') |
|
b.add_to_argparse(n, parser, 'build.', ' (just for build machine)') |
|
parser.add_argument('-D', action='append', dest='projectoptions', default=[], metavar="option", |
|
help='Set the value of an option, can be used several times to set multiple options.') |
|
|
|
def create_options_dict(options): |
|
result = OrderedDict() |
|
for o in options: |
|
try: |
|
(key, value) = o.split('=', 1) |
|
except ValueError: |
|
raise MesonException('Option {!r} must have a value separated by equals sign.'.format(o)) |
|
result[key] = value |
|
return result |
|
|
|
def parse_cmd_line_options(args): |
|
args.cmd_line_options = create_options_dict(args.projectoptions) |
|
|
|
# Merge builtin options set with --option into the dict. |
|
for name in chain( |
|
builtin_options.keys(), |
|
('build.' + k for k in builtin_options_per_machine.keys()), |
|
builtin_options_per_machine.keys(), |
|
): |
|
value = getattr(args, name, None) |
|
if value is not None: |
|
if name in args.cmd_line_options: |
|
cmdline_name = BuiltinOption.argparse_name_to_arg(name) |
|
raise MesonException( |
|
'Got argument {0} as both -D{0} and {1}. Pick one.'.format(name, cmdline_name)) |
|
args.cmd_line_options[name] = value |
|
delattr(args, name) |
|
|
|
|
|
_U = T.TypeVar('_U', bound=UserOption[_T]) |
|
|
|
class BuiltinOption(T.Generic[_T, _U]): |
|
|
|
"""Class for a builtin option type. |
|
|
|
There are some cases that are not fully supported yet. |
|
""" |
|
|
|
def __init__(self, opt_type: T.Type[_U], description: str, default: T.Any, yielding: bool = True, *, |
|
choices: T.Any = None): |
|
self.opt_type = opt_type |
|
self.description = description |
|
self.default = default |
|
self.choices = choices |
|
self.yielding = yielding |
|
|
|
def init_option(self, name: str, value: T.Optional[T.Any], prefix: str) -> _U: |
|
"""Create an instance of opt_type and return it.""" |
|
if value is None: |
|
value = self.prefixed_default(name, prefix) |
|
keywords = {'yielding': self.yielding, 'value': value} |
|
if self.choices: |
|
keywords['choices'] = self.choices |
|
return self.opt_type(self.description, **keywords) |
|
|
|
def _argparse_action(self) -> T.Optional[str]: |
|
# If the type is a boolean, the presence of the argument in --foo form |
|
# is to enable it. Disabling happens by using -Dfoo=false, which is |
|
# parsed under `args.projectoptions` and does not hit this codepath. |
|
if isinstance(self.default, bool): |
|
return 'store_true' |
|
return None |
|
|
|
def _argparse_choices(self) -> T.Any: |
|
if self.opt_type is UserBooleanOption: |
|
return [True, False] |
|
elif self.opt_type is UserFeatureOption: |
|
return UserFeatureOption.static_choices |
|
return self.choices |
|
|
|
@staticmethod |
|
def argparse_name_to_arg(name: str) -> str: |
|
if name == 'warning_level': |
|
return '--warnlevel' |
|
else: |
|
return '--' + name.replace('_', '-') |
|
|
|
def prefixed_default(self, name: str, prefix: str = '') -> T.Any: |
|
if self.opt_type in [UserComboOption, UserIntegerOption]: |
|
return self.default |
|
try: |
|
return builtin_dir_noprefix_options[name][prefix] |
|
except KeyError: |
|
pass |
|
return self.default |
|
|
|
def add_to_argparse(self, name: str, parser: argparse.ArgumentParser, prefix: str, help_suffix: str) -> None: |
|
kwargs = OrderedDict() |
|
|
|
c = self._argparse_choices() |
|
b = self._argparse_action() |
|
h = self.description |
|
if not b: |
|
h = '{} (default: {}).'.format(h.rstrip('.'), self.prefixed_default(name)) |
|
else: |
|
kwargs['action'] = b |
|
if c and not b: |
|
kwargs['choices'] = c |
|
kwargs['default'] = argparse.SUPPRESS |
|
kwargs['dest'] = prefix + name |
|
|
|
cmdline_name = self.argparse_name_to_arg(prefix + name) |
|
parser.add_argument(cmdline_name, help=h + help_suffix, **kwargs) |
|
|
|
# Update `docs/markdown/Builtin-options.md` after changing the options below |
|
builtin_options = OrderedDict([ |
|
# Directories |
|
('prefix', BuiltinOption(UserStringOption, 'Installation prefix', default_prefix())), |
|
('bindir', BuiltinOption(UserStringOption, 'Executable directory', 'bin')), |
|
('datadir', BuiltinOption(UserStringOption, 'Data file directory', 'share')), |
|
('includedir', BuiltinOption(UserStringOption, 'Header file directory', 'include')), |
|
('infodir', BuiltinOption(UserStringOption, 'Info page directory', 'share/info')), |
|
('libdir', BuiltinOption(UserStringOption, 'Library directory', default_libdir())), |
|
('libexecdir', BuiltinOption(UserStringOption, 'Library executable directory', default_libexecdir())), |
|
('localedir', BuiltinOption(UserStringOption, 'Locale data directory', 'share/locale')), |
|
('localstatedir', BuiltinOption(UserStringOption, 'Localstate data directory', 'var')), |
|
('mandir', BuiltinOption(UserStringOption, 'Manual page directory', 'share/man')), |
|
('sbindir', BuiltinOption(UserStringOption, 'System executable directory', 'sbin')), |
|
('sharedstatedir', BuiltinOption(UserStringOption, 'Architecture-independent data directory', 'com')), |
|
('sysconfdir', BuiltinOption(UserStringOption, 'Sysconf data directory', 'etc')), |
|
# Core options |
|
('auto_features', BuiltinOption(UserFeatureOption, "Override value of all 'auto' features", 'auto')), |
|
('backend', BuiltinOption(UserComboOption, 'Backend to use', 'ninja', choices=backendlist)), |
|
('buildtype', BuiltinOption(UserComboOption, 'Build type to use', 'debug', |
|
choices=['plain', 'debug', 'debugoptimized', 'release', 'minsize', 'custom'])), |
|
('debug', BuiltinOption(UserBooleanOption, 'Debug', True)), |
|
('default_library', BuiltinOption(UserComboOption, 'Default library type', 'shared', choices=['shared', 'static', 'both'], |
|
yielding=False)), |
|
('errorlogs', BuiltinOption(UserBooleanOption, "Whether to print the logs from failing tests", True)), |
|
('install_umask', BuiltinOption(UserUmaskOption, 'Default umask to apply on permissions of installed files', '022')), |
|
('layout', BuiltinOption(UserComboOption, 'Build directory layout', 'mirror', choices=['mirror', 'flat'])), |
|
('optimization', BuiltinOption(UserComboOption, 'Optimization level', '0', choices=['0', 'g', '1', '2', '3', 's'])), |
|
('stdsplit', BuiltinOption(UserBooleanOption, 'Split stdout and stderr in test logs', True)), |
|
('strip', BuiltinOption(UserBooleanOption, 'Strip targets on install', False)), |
|
('unity', BuiltinOption(UserComboOption, 'Unity build', 'off', choices=['on', 'off', 'subprojects'])), |
|
('unity_size', BuiltinOption(UserIntegerOption, 'Unity block size', (2, None, 4))), |
|
('warning_level', BuiltinOption(UserComboOption, 'Compiler warning level to use', '1', choices=['0', '1', '2', '3'])), |
|
('werror', BuiltinOption(UserBooleanOption, 'Treat warnings as errors', False, yielding=False)), |
|
('wrap_mode', BuiltinOption(UserComboOption, 'Wrap mode', 'default', choices=['default', 'nofallback', 'nodownload', 'forcefallback'])), |
|
('force_fallback_for', BuiltinOption(UserArrayOption, 'Force fallback for those subprojects', [])), |
|
]) |
|
|
|
builtin_options_per_machine = OrderedDict([ |
|
('pkg_config_path', BuiltinOption(UserArrayOption, 'List of additional paths for pkg-config to search', [])), |
|
('cmake_prefix_path', BuiltinOption(UserArrayOption, 'List of additional prefixes for cmake to search', [])), |
|
]) |
|
|
|
# Special prefix-dependent defaults for installation directories that reside in |
|
# a path outside of the prefix in FHS and common usage. |
|
builtin_dir_noprefix_options = { |
|
'sysconfdir': {'/usr': '/etc'}, |
|
'localstatedir': {'/usr': '/var', '/usr/local': '/var/local'}, |
|
'sharedstatedir': {'/usr': '/var/lib', '/usr/local': '/var/local/lib'}, |
|
} |
|
|
|
forbidden_target_names = {'clean': None, |
|
'clean-ctlist': None, |
|
'clean-gcno': None, |
|
'clean-gcda': None, |
|
'coverage': None, |
|
'coverage-text': None, |
|
'coverage-xml': None, |
|
'coverage-html': None, |
|
'phony': None, |
|
'PHONY': None, |
|
'all': None, |
|
'test': None, |
|
'benchmark': None, |
|
'install': None, |
|
'uninstall': None, |
|
'build.ninja': None, |
|
'scan-build': None, |
|
'reconfigure': None, |
|
'dist': None, |
|
'distcheck': None, |
|
}
|
|
|