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1151 lines
50 KiB
1151 lines
50 KiB
# Copyright 2012-2020 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 |
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from .mesonlib import ( |
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MesonException, EnvironmentException, MachineChoice, PerMachine, |
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default_libdir, default_libexecdir, default_prefix, split_args, |
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OptionKey, OptionType, |
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) |
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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.compilers import Compiler, CompileResult # noqa: F401 |
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from .environment import Environment |
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from .mesonlib import OptionOverrideProxy |
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OptionDictType = T.Union[T.Dict[str, 'UserOption[T.Any]'], OptionOverrideProxy] |
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KeyedOptionDictType = T.Union[T.Dict['OptionKey', 'UserOption[T.Any]'], OptionOverrideProxy] |
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CompilerCheckCacheKey = T.Tuple[T.Tuple[str, ...], str, str, T.Tuple[str, ...], str] |
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version = '0.56.99' |
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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 MesonVersionMismatchException(MesonException): |
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'''Build directory generated with Meson version is incompatible with current version''' |
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def __init__(self, old_version: str, current_version: str) -> None: |
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super().__init__('Build directory has been generated with Meson version {}, ' |
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'which is incompatible with the current version {}.' |
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.format(old_version, current_version)) |
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self.old_version = old_version |
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self.current_version = current_version |
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class UserOption(T.Generic[_T]): |
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def __init__(self, description: str, choices: T.Optional[T.Union[str, T.List[_T]]], yielding: T.Optional[bool]): |
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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) -> T.Union[str, int, bool, T.List[T.Union[str, int, bool]]]: |
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assert isinstance(self.value, (str, int, bool, list)) |
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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: T.Any) -> None: |
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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: str, value: T.Any, yielding: T.Optional[bool] = None): |
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super().__init__(description, None, yielding) |
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self.set_value(value) |
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def validate_value(self, value: T.Any) -> str: |
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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: str, value, yielding: T.Optional[bool] = None) -> 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: T.Any) -> bool: |
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if isinstance(value, bool): |
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return value |
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if not isinstance(value, str): |
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raise MesonException('Value {} cannot be converted to a boolean'.format(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: str, value: T.Any, yielding: T.Optional[bool] = 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: T.Any) -> 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: str) -> 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: str, value: T.Any, yielding: T.Optional[bool] = 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) -> str: |
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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: T.Any) -> T.Union[str, int]: |
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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: T.Union[str, int]) -> int: |
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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: str, choices: T.List[str], value: T.Any, yielding: T.Optional[bool] = 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: T.Any) -> str: |
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if value not in self.choices: |
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if isinstance(value, bool): |
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_type = 'boolean' |
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elif isinstance(value, (int, float)): |
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_type = 'number' |
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else: |
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_type = 'string' |
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optionsstring = ', '.join(['"%s"' % (item,) for item in self.choices]) |
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raise MesonException('Value "{}" (of type "{}") for combo option "{}" is not one of the choices.' |
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' Possible choices are (as string): {}.'.format( |
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value, _type, 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: str, value: T.Union[str, T.List[str]], split_args: bool = False, user_input: bool = False, allow_dups: bool = False, **kwargs: T.Any) -> None: |
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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: T.Union[str, T.List[str]], 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: str, value: T.Any, yielding: T.Optional[bool] = None): |
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super().__init__(description, self.static_choices, value, yielding) |
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def is_enabled(self) -> bool: |
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return self.value == 'enabled' |
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def is_disabled(self) -> bool: |
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return self.value == 'disabled' |
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def is_auto(self) -> bool: |
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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: 'KeyedOptionDictType', for_machine: MachineChoice): |
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self.__cache = OrderedDict() # type: T.MutableMapping[CacheKeyType, DependencySubCache] |
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self.__builtins = builtins |
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self.__pkg_conf_key = OptionKey('pkg_config_path', machine=for_machine) |
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self.__cmake_key = OptionKey('cmake_prefix_path', 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[self.__pkg_conf_key].value) |
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elif type_ is DependencyCacheType.CMAKE: |
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return tuple(self.__builtins[self.__cmake_key].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, meson_command: T.List[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.meson_command = meson_command |
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self.target_guids = {} |
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self.version = version |
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self.options: 'KeyedOptionDictType' = {} |
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self.cross_files = self.__load_config_files(options, scratch_dir, 'cross') |
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self.compilers = PerMachine(OrderedDict(), OrderedDict()) # type: PerMachine[T.Dict[str, Compiler]] |
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build_cache = DependencyCache(self.options, MachineChoice.BUILD) |
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host_cache = DependencyCache(self.options, 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() # type: T.Dict[CompilerCheckCacheKey, compiler.CompileResult] |
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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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|
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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[OptionKey('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: OptionKey, 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) |
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except TypeError: |
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return value |
|
if option.name.endswith('dir') and value.is_absolute() and \ |
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option not in BULITIN_DIR_NOPREFIX_OPTIONS: |
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# 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 |
|
# comparing. |
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msg = ('The value of the \'{!s}\' option is \'{!s}\' which must be a ' |
|
'subdir of the prefix {!r}.\nNote that if you pass a ' |
|
'relative path, it is assumed to be a subdir of prefix.') |
|
# os.path.commonpath doesn't understand case-insensitive filesystems, |
|
# but PurePath().relative_to() does. |
|
try: |
|
value = value.relative_to(prefix) |
|
except ValueError: |
|
raise MesonException(msg.format(option, value, prefix)) |
|
if '..' in str(value): |
|
raise MesonException(msg.format(option, value, prefix)) |
|
return value.as_posix() |
|
|
|
def init_builtins(self, subproject: str) -> None: |
|
# Create builtin options with default values |
|
for key, opt in BUILTIN_OPTIONS.items(): |
|
self.add_builtin_option(self.options, key.evolve(subproject=subproject), opt) |
|
for for_machine in iter(MachineChoice): |
|
for key, opt in BUILTIN_OPTIONS_PER_MACHINE.items(): |
|
self.add_builtin_option(self.options, key.evolve(subproject=subproject, machine=for_machine), opt) |
|
|
|
@staticmethod |
|
def add_builtin_option(opts_map: 'KeyedOptionDictType', key: OptionKey, |
|
opt: 'BuiltinOption') -> None: |
|
if key.subproject: |
|
if opt.yielding: |
|
# This option is global and not per-subproject |
|
return |
|
value = opts_map[key.as_root()].value |
|
else: |
|
value = None |
|
opts_map[key] = opt.init_option(key, value, default_prefix()) |
|
|
|
def init_backend_options(self, backend_name: str) -> None: |
|
if backend_name == 'ninja': |
|
self.options[OptionKey('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.options[OptionKey('backend_startup_project')] = UserStringOption( |
|
'Default project to execute in Visual Studio', |
|
'') |
|
|
|
def get_option(self, key: OptionKey) -> T.Union[str, int, bool, WrapMode]: |
|
try: |
|
v = self.options[key].value |
|
if key.name == 'wrap_mode': |
|
return WrapMode[v] |
|
return v |
|
except KeyError: |
|
pass |
|
|
|
try: |
|
v = self.options[key.as_root()] |
|
if v.yielding: |
|
if key.name == 'wrap_mode': |
|
return WrapMode[v.value] |
|
return v.value |
|
except KeyError: |
|
pass |
|
|
|
raise MesonException(f'Tried to get unknown builtin option {str(key)}') |
|
|
|
def set_option(self, key: OptionKey, value) -> None: |
|
if key.is_builtin(): |
|
if key.name == 'prefix': |
|
value = self.sanitize_prefix(value) |
|
else: |
|
prefix = self.options[OptionKey('prefix')].value |
|
value = self.sanitize_dir_option_value(prefix, key, value) |
|
|
|
try: |
|
self.options[key].set_value(value) |
|
except KeyError: |
|
raise MesonException(f'Tried to set unknown builtin option {str(key)}') |
|
|
|
if key.name == 'buildtype': |
|
self._set_others_from_buildtype(value) |
|
elif key.name in {'debug', 'optimization'}: |
|
self._set_buildtype_from_others() |
|
|
|
def _set_others_from_buildtype(self, value: str) -> None: |
|
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.options[OptionKey('optimization')].set_value(opt) |
|
self.options[OptionKey('debug')].set_value(debug) |
|
|
|
def _set_buildtype_from_others(self) -> None: |
|
opt = self.options[OptionKey('optimization')].value |
|
debug = self.options[OptionKey('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.options[OptionKey('buildtype')].set_value(mode) |
|
|
|
@staticmethod |
|
def is_per_machine_option(optname: OptionKey) -> bool: |
|
if optname.name in BUILTIN_OPTIONS_PER_MACHINE: |
|
return True |
|
return optname.lang is not None |
|
|
|
def validate_option_value(self, option_name: OptionKey, override_value): |
|
try: |
|
opt = self.options[option_name] |
|
except KeyError: |
|
raise MesonException(f'Tried to validate unknown option {str(option_name)}') |
|
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]) |
|
|
|
def get_external_args(self, for_machine: MachineChoice, lang: str) -> T.Union[str, T.List[str]]: |
|
return self.options[OptionKey('args', machine=for_machine, lang=lang)].value |
|
|
|
def get_external_link_args(self, for_machine: MachineChoice, lang: str) -> T.Union[str, T.List[str]]: |
|
return self.options[OptionKey('link_args', machine=for_machine, lang=lang)].value |
|
|
|
def update_project_options(self, options: 'KeyedOptionDictType') -> None: |
|
for key, value in options.items(): |
|
if not key.is_project(): |
|
continue |
|
if key not in self.options: |
|
self.options[key] = value |
|
continue |
|
|
|
oldval = self.options[key] |
|
if type(oldval) != type(value): |
|
self.options[key] = value |
|
elif oldval.choices != value.choices: |
|
# If the choices have changed, use the new value, but attempt |
|
# to keep the old options. If they are not valid keep the new |
|
# defaults but warn. |
|
self.options[key] = value |
|
try: |
|
value.set_value(oldval.value) |
|
except MesonException as e: |
|
mlog.warning('Old value(s) of {} are no longer valid, resetting to default ({}).'.format(key, value.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 copy_build_options_from_regular_ones(self) -> None: |
|
assert not self.is_cross_build() |
|
for k in BUILTIN_OPTIONS_PER_MACHINE: |
|
o = self.options[k] |
|
self.options[k.as_build()].set_value(o.value) |
|
for bk, bv in self.options.items(): |
|
if bk.machine is MachineChoice.BUILD: |
|
hk = bk.as_host() |
|
try: |
|
hv = self.options[hk] |
|
bv.set_value(hv.value) |
|
except KeyError: |
|
continue |
|
|
|
def set_options(self, options: T.Dict[OptionKey, T.Any], subproject: str = '', warn_unknown: bool = True) -> None: |
|
if not self.is_cross_build(): |
|
options = {k: v for k, v in options.items() if k.machine is not MachineChoice.BUILD} |
|
# Set prefix first because it's needed to sanitize other options |
|
pfk = OptionKey('prefix') |
|
if pfk in options: |
|
prefix = self.sanitize_prefix(options[pfk]) |
|
self.options[OptionKey('prefix')].set_value(prefix) |
|
for key in BULITIN_DIR_NOPREFIX_OPTIONS: |
|
if key not in options: |
|
self.options[key].set_value(BUILTIN_OPTIONS[key].prefixed_default(key, prefix)) |
|
|
|
unknown_options: T.List[OptionKey] = [] |
|
for k, v in options.items(): |
|
if k == pfk: |
|
continue |
|
elif k not in self.options: |
|
unknown_options.append(k) |
|
else: |
|
self.set_option(k, v) |
|
if unknown_options and warn_unknown: |
|
unknown_options_str = ', '.join(sorted(str(s) for s in unknown_options)) |
|
sub = 'In subproject {}: '.format(subproject) if subproject else '' |
|
mlog.warning('{}Unknown options: "{}"'.format(sub, unknown_options_str)) |
|
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: T.MutableMapping[OptionKey, str], subproject: str, env: 'Environment') -> None: |
|
# Preserve order: if env.options has 'buildtype' it must come after |
|
# 'optimization' if it is in default_options. |
|
options: T.MutableMapping[OptionKey, T.Any] |
|
if not subproject: |
|
options = OrderedDict(default_options) |
|
options.update(env.options) |
|
env.options = options |
|
|
|
# Create a subset of options, keeping only project and builtin |
|
# options for this subproject. |
|
# 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() |
|
|
|
for k, v in chain(default_options.items(), env.options.items()): |
|
# If this is a subproject, don't use other subproject options |
|
if k.subproject and k.subproject != subproject: |
|
continue |
|
# If the option is a builtin and is yielding then it's not allowed per subproject. |
|
if subproject and k.is_builtin() and self.options[k.as_root()].yielding: |
|
continue |
|
# Skip base, compiler, and backend options, they are handled when |
|
# adding languages and setting backend. |
|
if k.type in {OptionType.COMPILER, OptionType.BACKEND, OptionType.BASE}: |
|
continue |
|
options[k] = v |
|
|
|
self.set_options(options, subproject=subproject) |
|
|
|
def add_compiler_options(self, options: 'KeyedOptionDictType', lang: str, for_machine: MachineChoice, |
|
env: 'Environment') -> None: |
|
for k, o in options.items(): |
|
value = env.options.get(k) |
|
if value is not None: |
|
o.set_value(value) |
|
self.options.setdefault(k, o) |
|
|
|
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 |
|
options = compilers.get_global_options(lang, comp, for_machine, env) |
|
self.add_compiler_options(options, lang, for_machine, env) |
|
|
|
def process_new_compiler(self, lang: str, comp: 'Compiler', env: 'Environment') -> None: |
|
from . import compilers |
|
|
|
self.compilers[comp.for_machine][lang] = comp |
|
self.add_compiler_options(comp.get_options(), lang, comp.for_machine, env) |
|
|
|
enabled_opts: T.List[OptionKey] = [] |
|
for key in comp.base_options: |
|
if key in self.options: |
|
continue |
|
oobj = compilers.base_options[key] |
|
if key in env.options: |
|
oobj.set_value(env.options[key]) |
|
enabled_opts.append(key) |
|
self.options[key] = oobj |
|
self.emit_base_options_warnings(enabled_opts) |
|
|
|
def emit_base_options_warnings(self, enabled_opts: T.List[OptionKey]) -> None: |
|
if OptionKey('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) -> None: |
|
# We don't want ':' as key delimiter, otherwise it would break when |
|
# storing subproject options like "subproject:option=value" |
|
super().__init__(delimiters=['='], interpolation=None) |
|
|
|
def optionxform(self, option: str) -> str: |
|
# Don't call str.lower() on keys |
|
return option |
|
|
|
class MachineFileParser(): |
|
def __init__(self, filenames: T.List[str]) -> None: |
|
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: str) -> str: |
|
return os.path.join(build_dir, 'meson-private', 'cmd_line.txt') |
|
|
|
def read_cmd_line_file(build_dir: str, options: argparse.Namespace) -> None: |
|
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 = {OptionKey.from_string(k): v for k, v in config['options'].items()} |
|
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 write_cmd_line_file(build_dir: str, options: argparse.Namespace) -> None: |
|
filename = get_cmd_line_file(build_dir) |
|
config = CmdLineFileParser() |
|
|
|
properties = OrderedDict() |
|
if options.cross_file: |
|
properties['cross_file'] = [os.path.abspath(f) for f in options.cross_file] |
|
if options.native_file: |
|
properties['native_file'] = [os.path.abspath(f) for f in options.native_file] |
|
|
|
config['options'] = {str(k): str(v) for k, v in options.cmd_line_options.items()} |
|
config['properties'] = properties |
|
with open(filename, 'w') as f: |
|
config.write(f) |
|
|
|
def update_cmd_line_file(build_dir: str, options: argparse.Namespace): |
|
filename = get_cmd_line_file(build_dir) |
|
config = CmdLineFileParser() |
|
config.read(filename) |
|
config['options'].update({str(k): str(v) for k, v in options.cmd_line_options.items()}) |
|
with open(filename, 'w') as f: |
|
config.write(f) |
|
|
|
def get_cmd_line_options(build_dir: str, options: argparse.Namespace) -> str: |
|
copy = argparse.Namespace(**vars(options)) |
|
read_cmd_line_file(build_dir, copy) |
|
cmdline = ['-D{}={}'.format(str(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: str, v2: str) -> bool: |
|
return v1.split('.')[0:2] != v2.split('.')[0:2] |
|
|
|
def load(build_dir: str) -> CoreData: |
|
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 MesonVersionMismatchException(obj.version, version) |
|
return obj |
|
|
|
def save(obj: CoreData, build_dir: str) -> str: |
|
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: argparse.ArgumentParser) -> None: |
|
for n, b in BUILTIN_OPTIONS.items(): |
|
b.add_to_argparse(str(n), parser, '') |
|
for n, b in BUILTIN_OPTIONS_PER_MACHINE.items(): |
|
b.add_to_argparse(str(n), parser, ' (just for host machine)') |
|
b.add_to_argparse(str(n.as_build()), parser, ' (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: T.List[str], subproject: str = '') -> T.Dict[OptionKey, str]: |
|
result: T.OrderedDict[OptionKey, str] = 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)) |
|
k = OptionKey.from_string(key) |
|
if subproject: |
|
k = k.evolve(subproject=subproject) |
|
result[k] = value |
|
return result |
|
|
|
def parse_cmd_line_options(args: argparse.Namespace) -> None: |
|
args.cmd_line_options = create_options_dict(args.projectoptions) |
|
|
|
# Merge builtin options set with --option into the dict. |
|
for key in chain( |
|
BUILTIN_OPTIONS.keys(), |
|
(k.as_build() for k in BUILTIN_OPTIONS_PER_MACHINE.keys()), |
|
BUILTIN_OPTIONS_PER_MACHINE.keys(), |
|
): |
|
name = str(key) |
|
value = getattr(args, name, None) |
|
if value is not None: |
|
if key 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[key] = value |
|
delattr(args, name) |
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|
|
|
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_U = T.TypeVar('_U', bound=UserOption[_T]) |
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|
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class BuiltinOption(T.Generic[_T, _U]): |
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|
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"""Class for a builtin option type. |
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|
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There are some cases that are not fully supported yet. |
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""" |
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|
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def __init__(self, opt_type: T.Type[_U], description: str, default: T.Any, yielding: bool = True, *, |
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choices: T.Any = None): |
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self.opt_type = opt_type |
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self.description = description |
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self.default = default |
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self.choices = choices |
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self.yielding = yielding |
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|
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def init_option(self, name: 'OptionKey', value: T.Optional[T.Any], prefix: str) -> _U: |
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"""Create an instance of opt_type and return it.""" |
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if value is None: |
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value = self.prefixed_default(name, prefix) |
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keywords = {'yielding': self.yielding, 'value': value} |
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if self.choices: |
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keywords['choices'] = self.choices |
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return self.opt_type(self.description, **keywords) |
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|
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def _argparse_action(self) -> T.Optional[str]: |
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# If the type is a boolean, the presence of the argument in --foo form |
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# is to enable it. Disabling happens by using -Dfoo=false, which is |
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# parsed under `args.projectoptions` and does not hit this codepath. |
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if isinstance(self.default, bool): |
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return 'store_true' |
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return None |
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|
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def _argparse_choices(self) -> T.Any: |
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if self.opt_type is UserBooleanOption: |
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return [True, False] |
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elif self.opt_type is UserFeatureOption: |
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return UserFeatureOption.static_choices |
|
return self.choices |
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|
|
@staticmethod |
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def argparse_name_to_arg(name: str) -> str: |
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if name == 'warning_level': |
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return '--warnlevel' |
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else: |
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return '--' + name.replace('_', '-') |
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|
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def prefixed_default(self, name: 'OptionKey', prefix: str = '') -> T.Any: |
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if self.opt_type in [UserComboOption, UserIntegerOption]: |
|
return self.default |
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try: |
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return BULITIN_DIR_NOPREFIX_OPTIONS[name][prefix] |
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except KeyError: |
|
pass |
|
return self.default |
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|
|
def add_to_argparse(self, name: str, parser: argparse.ArgumentParser, help_suffix: str) -> None: |
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kwargs = OrderedDict() |
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|
|
c = self._argparse_choices() |
|
b = self._argparse_action() |
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h = self.description |
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if not b: |
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h = '{} (default: {}).'.format(h.rstrip('.'), self.prefixed_default(name)) |
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else: |
|
kwargs['action'] = b |
|
if c and not b: |
|
kwargs['choices'] = c |
|
kwargs['default'] = argparse.SUPPRESS |
|
kwargs['dest'] = name |
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|
|
cmdline_name = self.argparse_name_to_arg(name) |
|
parser.add_argument(cmdline_name, help=h + help_suffix, **kwargs) |
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|
|
|
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# Update `docs/markdown/Builtin-options.md` after changing the options below |
|
# Also update mesonlib._BUILTIN_NAMES. See the comment there for why this is required. |
|
BUILTIN_DIR_OPTIONS: 'KeyedOptionDictType' = OrderedDict([ |
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(OptionKey('prefix'), BuiltinOption(UserStringOption, 'Installation prefix', default_prefix())), |
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(OptionKey('bindir'), BuiltinOption(UserStringOption, 'Executable directory', 'bin')), |
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(OptionKey('datadir'), BuiltinOption(UserStringOption, 'Data file directory', 'share')), |
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(OptionKey('includedir'), BuiltinOption(UserStringOption, 'Header file directory', 'include')), |
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(OptionKey('infodir'), BuiltinOption(UserStringOption, 'Info page directory', 'share/info')), |
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(OptionKey('libdir'), BuiltinOption(UserStringOption, 'Library directory', default_libdir())), |
|
(OptionKey('libexecdir'), BuiltinOption(UserStringOption, 'Library executable directory', default_libexecdir())), |
|
(OptionKey('localedir'), BuiltinOption(UserStringOption, 'Locale data directory', 'share/locale')), |
|
(OptionKey('localstatedir'), BuiltinOption(UserStringOption, 'Localstate data directory', 'var')), |
|
(OptionKey('mandir'), BuiltinOption(UserStringOption, 'Manual page directory', 'share/man')), |
|
(OptionKey('sbindir'), BuiltinOption(UserStringOption, 'System executable directory', 'sbin')), |
|
(OptionKey('sharedstatedir'), BuiltinOption(UserStringOption, 'Architecture-independent data directory', 'com')), |
|
(OptionKey('sysconfdir'), BuiltinOption(UserStringOption, 'Sysconf data directory', 'etc')), |
|
]) |
|
|
|
BUILTIN_CORE_OPTIONS: 'KeyedOptionDictType' = OrderedDict([ |
|
(OptionKey('auto_features'), BuiltinOption(UserFeatureOption, "Override value of all 'auto' features", 'auto')), |
|
(OptionKey('backend'), BuiltinOption(UserComboOption, 'Backend to use', 'ninja', choices=backendlist)), |
|
(OptionKey('buildtype'), BuiltinOption(UserComboOption, 'Build type to use', 'debug', |
|
choices=['plain', 'debug', 'debugoptimized', 'release', 'minsize', 'custom'])), |
|
(OptionKey('debug'), BuiltinOption(UserBooleanOption, 'Debug', True)), |
|
(OptionKey('default_library'), BuiltinOption(UserComboOption, 'Default library type', 'shared', choices=['shared', 'static', 'both'], |
|
yielding=False)), |
|
(OptionKey('errorlogs'), BuiltinOption(UserBooleanOption, "Whether to print the logs from failing tests", True)), |
|
(OptionKey('install_umask'), BuiltinOption(UserUmaskOption, 'Default umask to apply on permissions of installed files', '022')), |
|
(OptionKey('layout'), BuiltinOption(UserComboOption, 'Build directory layout', 'mirror', choices=['mirror', 'flat'])), |
|
(OptionKey('optimization'), BuiltinOption(UserComboOption, 'Optimization level', '0', choices=['0', 'g', '1', '2', '3', 's'])), |
|
(OptionKey('stdsplit'), BuiltinOption(UserBooleanOption, 'Split stdout and stderr in test logs', True)), |
|
(OptionKey('strip'), BuiltinOption(UserBooleanOption, 'Strip targets on install', False)), |
|
(OptionKey('unity'), BuiltinOption(UserComboOption, 'Unity build', 'off', choices=['on', 'off', 'subprojects'])), |
|
(OptionKey('unity_size'), BuiltinOption(UserIntegerOption, 'Unity block size', (2, None, 4))), |
|
(OptionKey('warning_level'), BuiltinOption(UserComboOption, 'Compiler warning level to use', '1', choices=['0', '1', '2', '3'], yielding=False)), |
|
(OptionKey('werror'), BuiltinOption(UserBooleanOption, 'Treat warnings as errors', False, yielding=False)), |
|
(OptionKey('wrap_mode'), BuiltinOption(UserComboOption, 'Wrap mode', 'default', choices=['default', 'nofallback', 'nodownload', 'forcefallback'])), |
|
(OptionKey('force_fallback_for'), BuiltinOption(UserArrayOption, 'Force fallback for those subprojects', [])), |
|
]) |
|
|
|
BUILTIN_OPTIONS = OrderedDict(chain(BUILTIN_DIR_OPTIONS.items(), BUILTIN_CORE_OPTIONS.items())) |
|
|
|
BUILTIN_OPTIONS_PER_MACHINE: 'KeyedOptionDictType' = OrderedDict([ |
|
(OptionKey('pkg_config_path'), BuiltinOption(UserArrayOption, 'List of additional paths for pkg-config to search', [])), |
|
(OptionKey('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. |
|
BULITIN_DIR_NOPREFIX_OPTIONS: T.Dict[OptionKey, T.Dict[str, str]] = { |
|
OptionKey('sysconfdir'): {'/usr': '/etc'}, |
|
OptionKey('localstatedir'): {'/usr': '/var', '/usr/local': '/var/local'}, |
|
OptionKey('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, |
|
} |
|
|
|
|