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meson/mesonbuild/cmake/interpreter.py

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# Copyright 2019 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This class contains the basic functionality needed to run any interpreter
# or an interpreter-based tool.
from .common import CMakeException, CMakeTarget, TargetOptions, CMakeConfiguration, language_map, backend_generator_map, cmake_get_generator_args, check_cmake_args
from .client import CMakeClient, RequestCMakeInputs, RequestConfigure, RequestCompute, RequestCodeModel, ReplyCMakeInputs, ReplyCodeModel
from .fileapi import CMakeFileAPI
from .executor import CMakeExecutor
from .toolchain import CMakeToolchain, CMakeExecScope
from .traceparser import CMakeTraceParser, CMakeGeneratorTarget
from .. import mlog, mesonlib
from ..mesonlib import MachineChoice, OrderedSet, version_compare, path_is_in_root, relative_to_if_possible, OptionKey
from ..mesondata import mesondata
from ..compilers.compilers import lang_suffixes, header_suffixes, obj_suffixes, lib_suffixes, is_header
from ..programs import ExternalProgram
from enum import Enum
from functools import lru_cache
from pathlib import Path
import typing as T
import re
from os import environ
from ..mparser import (
Token,
BaseNode,
CodeBlockNode,
FunctionNode,
ArrayNode,
ArgumentNode,
AssignmentNode,
BooleanNode,
StringNode,
IdNode,
IndexNode,
MethodNode,
NumberNode,
)
if T.TYPE_CHECKING:
from .._typing import ImmutableListProtocol
from ..build import Build
from ..backend.backends import Backend
from ..environment import Environment
TYPE_mixed = T.Union[str, int, bool, Path, BaseNode]
TYPE_mixed_list = T.Union[TYPE_mixed, T.Sequence[TYPE_mixed]]
TYPE_mixed_kwargs = T.Dict[str, TYPE_mixed_list]
# Disable all warnings automaticall enabled with --trace and friends
# See https://cmake.org/cmake/help/latest/variable/CMAKE_POLICY_WARNING_CMPNNNN.html
disable_policy_warnings = [
'CMP0025',
'CMP0047',
'CMP0056',
'CMP0060',
'CMP0065',
'CMP0066',
'CMP0067',
'CMP0082',
'CMP0089',
'CMP0102',
]
target_type_map = {
'STATIC_LIBRARY': 'static_library',
'MODULE_LIBRARY': 'shared_module',
'SHARED_LIBRARY': 'shared_library',
'EXECUTABLE': 'executable',
'OBJECT_LIBRARY': 'static_library',
'INTERFACE_LIBRARY': 'header_only'
}
skip_targets = ['UTILITY']
blacklist_compiler_flags = [
'-Wall', '-Wextra', '-Weverything', '-Werror', '-Wpedantic', '-pedantic', '-w',
'/W1', '/W2', '/W3', '/W4', '/Wall', '/WX', '/w',
'/O1', '/O2', '/Ob', '/Od', '/Og', '/Oi', '/Os', '/Ot', '/Ox', '/Oy', '/Ob0',
'/RTC1', '/RTCc', '/RTCs', '/RTCu',
'/Z7', '/Zi', '/ZI',
]
blacklist_link_flags = [
'/machine:x64', '/machine:x86', '/machine:arm', '/machine:ebc',
'/debug', '/debug:fastlink', '/debug:full', '/debug:none',
'/incremental',
]
blacklist_clang_cl_link_flags = ['/GR', '/EHsc', '/MDd', '/Zi', '/RTC1']
blacklist_link_libs = [
'kernel32.lib',
'user32.lib',
'gdi32.lib',
'winspool.lib',
'shell32.lib',
'ole32.lib',
'oleaut32.lib',
'uuid.lib',
'comdlg32.lib',
'advapi32.lib'
]
transfer_dependencies_from = ['header_only']
_cmake_name_regex = re.compile(r'[^_a-zA-Z0-9]')
def _sanitize_cmake_name(name: str) -> str:
name = _cmake_name_regex.sub('_', name)
return 'cm_' + name
class OutputTargetMap:
rm_so_version = re.compile(r'(\.[0-9]+)+$')
def __init__(self, build_dir: Path):
self.tgt_map = {} # type: T.Dict[str, T.Union['ConverterTarget', 'ConverterCustomTarget']]
self.build_dir = build_dir
def add(self, tgt: T.Union['ConverterTarget', 'ConverterCustomTarget']) -> None:
def assign_keys(keys: T.List[str]) -> None:
for i in [x for x in keys if x]:
self.tgt_map[i] = tgt
keys = [self._target_key(tgt.cmake_name)]
if isinstance(tgt, ConverterTarget):
keys += [tgt.full_name]
keys += [self._rel_artifact_key(x) for x in tgt.artifacts]
keys += [self._base_artifact_key(x) for x in tgt.artifacts]
if isinstance(tgt, ConverterCustomTarget):
keys += [self._rel_generated_file_key(x) for x in tgt.original_outputs]
keys += [self._base_generated_file_key(x) for x in tgt.original_outputs]
assign_keys(keys)
def _return_first_valid_key(self, keys: T.List[str]) -> T.Optional[T.Union['ConverterTarget', 'ConverterCustomTarget']]:
for i in keys:
if i and i in self.tgt_map:
return self.tgt_map[i]
return None
def target(self, name: str) -> T.Optional[T.Union['ConverterTarget', 'ConverterCustomTarget']]:
return self._return_first_valid_key([self._target_key(name)])
def executable(self, name: str) -> T.Optional['ConverterTarget']:
tgt = self.target(name)
if tgt is None or not isinstance(tgt, ConverterTarget):
return None
if tgt.meson_func() != 'executable':
return None
return tgt
def artifact(self, name: str) -> T.Optional[T.Union['ConverterTarget', 'ConverterCustomTarget']]:
keys = []
candidates = [name, OutputTargetMap.rm_so_version.sub('', name)]
for i in lib_suffixes:
if not name.endswith('.' + i):
continue
new_name = name[:-len(i) - 1]
new_name = OutputTargetMap.rm_so_version.sub('', new_name)
candidates += [f'{new_name}.{i}']
for i in candidates:
keys += [self._rel_artifact_key(Path(i)), Path(i).name, self._base_artifact_key(Path(i))]
return self._return_first_valid_key(keys)
def generated(self, name: Path) -> T.Optional['ConverterCustomTarget']:
res = self._return_first_valid_key([self._rel_generated_file_key(name), self._base_generated_file_key(name)])
assert res is None or isinstance(res, ConverterCustomTarget)
return res
# Utility functions to generate local keys
def _rel_path(self, fname: Path) -> T.Optional[Path]:
try:
return fname.resolve().relative_to(self.build_dir)
except ValueError:
pass
return None
def _target_key(self, tgt_name: str) -> str:
return f'__tgt_{tgt_name}__'
def _rel_generated_file_key(self, fname: Path) -> T.Optional[str]:
path = self._rel_path(fname)
return f'__relgen_{path.as_posix()}__' if path else None
def _base_generated_file_key(self, fname: Path) -> str:
return f'__gen_{fname.name}__'
def _rel_artifact_key(self, fname: Path) -> T.Optional[str]:
path = self._rel_path(fname)
return f'__relart_{path.as_posix()}__' if path else None
def _base_artifact_key(self, fname: Path) -> str:
return f'__art_{fname.name}__'
class ConverterTarget:
def __init__(self, target: CMakeTarget, env: 'Environment', for_machine: MachineChoice) -> None:
self.env = env
self.for_machine = for_machine
self.artifacts = target.artifacts
self.src_dir = target.src_dir
self.build_dir = target.build_dir
self.name = target.name
self.cmake_name = target.name
self.full_name = target.full_name
self.type = target.type
self.install = target.install
self.install_dir = None # type: T.Optional[Path]
self.link_libraries = target.link_libraries
self.link_flags = target.link_flags + target.link_lang_flags
self.depends_raw = [] # type: T.List[str]
self.depends = [] # type: T.List[T.Union[ConverterTarget, ConverterCustomTarget]]
if target.install_paths:
self.install_dir = target.install_paths[0]
self.languages = set() # type: T.Set[str]
self.sources = [] # type: T.List[Path]
self.generated = [] # type: T.List[Path]
self.generated_ctgt = [] # type: T.List[CustomTargetReference]
self.includes = [] # type: T.List[Path]
self.sys_includes = [] # type: T.List[Path]
self.link_with = [] # type: T.List[T.Union[ConverterTarget, ConverterCustomTarget]]
self.object_libs = [] # type: T.List[ConverterTarget]
self.compile_opts = {} # type: T.Dict[str, T.List[str]]
self.public_compile_opts = [] # type: T.List[str]
self.pie = False
# Project default override options (c_std, cpp_std, etc.)
self.override_options = [] # type: T.List[str]
# Convert the target name to a valid meson target name
self.name = _sanitize_cmake_name(self.name)
self.generated_raw = [] # type: T.List[Path]
for i in target.files:
languages = set() # type: T.Set[str]
src_suffixes = set() # type: T.Set[str]
# Insert suffixes
for j in i.sources:
if not j.suffix:
continue
src_suffixes.add(j.suffix[1:])
# Determine the meson language(s)
# Extract the default language from the explicit CMake field
lang_cmake_to_meson = {val.lower(): key for key, val in language_map.items()}
languages.add(lang_cmake_to_meson.get(i.language.lower(), 'c'))
# Determine missing languages from the source suffixes
for sfx in src_suffixes:
for key, val in lang_suffixes.items():
if sfx in val:
languages.add(key)
break
# Register the new languages and initialize the compile opts array
for lang in languages:
self.languages.add(lang)
if lang not in self.compile_opts:
self.compile_opts[lang] = []
# Add arguments, but avoid duplicates
args = i.flags
args += [f'-D{x}' for x in i.defines]
for lang in languages:
self.compile_opts[lang] += [x for x in args if x not in self.compile_opts[lang]]
# Handle include directories
self.includes += [x.path for x in i.includes if x.path not in self.includes and not x.isSystem]
self.sys_includes += [x.path for x in i.includes if x.path not in self.sys_includes and x.isSystem]
# Add sources to the right array
if i.is_generated:
self.generated_raw += i.sources
else:
self.sources += i.sources
def __repr__(self) -> str:
return f'<{self.__class__.__name__}: {self.name}>'
std_regex = re.compile(r'([-]{1,2}std=|/std:v?|[-]{1,2}std:)(.*)')
def postprocess(self, output_target_map: OutputTargetMap, root_src_dir: Path, subdir: Path, install_prefix: Path, trace: CMakeTraceParser) -> None:
# Detect setting the C and C++ standard and do additional compiler args manipulation
for i in ['c', 'cpp']:
if i not in self.compile_opts:
continue
temp = []
for j in self.compile_opts[i]:
m = ConverterTarget.std_regex.match(j)
ctgt = output_target_map.generated(Path(j))
if m:
std = m.group(2)
supported = self._all_lang_stds(i)
if std not in supported:
mlog.warning(
'Unknown {0}_std "{1}" -> Ignoring. Try setting the project-'
'level {0}_std if build errors occur. Known '
'{0}_stds are: {2}'.format(i, std, ' '.join(supported)),
once=True
)
continue
self.override_options += [f'{i}_std={std}']
elif j in ['-fPIC', '-fpic', '-fPIE', '-fpie']:
self.pie = True
elif isinstance(ctgt, ConverterCustomTarget):
# Sometimes projects pass generated source files as compiler
# flags. Add these as generated sources to ensure that the
# corresponding custom target is run.2
self.generated_raw += [Path(j)]
temp += [j]
elif j in blacklist_compiler_flags:
pass
else:
temp += [j]
self.compile_opts[i] = temp
# Make sure to force enable -fPIC for OBJECT libraries
if self.type.upper() == 'OBJECT_LIBRARY':
self.pie = True
# Use the CMake trace, if required
tgt = trace.targets.get(self.cmake_name)
if tgt:
self.depends_raw = trace.targets[self.cmake_name].depends
# TODO refactor this copy paste from CMakeDependency for future releases
reg_is_lib = re.compile(r'^(-l[a-zA-Z0-9_]+|-l?pthread)$')
to_process = [self.cmake_name]
processed = []
while len(to_process) > 0:
curr = to_process.pop(0)
if curr in processed or curr not in trace.targets:
continue
tgt = trace.targets[curr]
cfgs = []
cfg = ''
otherDeps = []
libraries = []
mlog.debug(str(tgt))
if 'INTERFACE_INCLUDE_DIRECTORIES' in tgt.properties:
self.includes += [Path(x) for x in tgt.properties['INTERFACE_INCLUDE_DIRECTORIES'] if x]
if 'INTERFACE_LINK_OPTIONS' in tgt.properties:
self.link_flags += [x for x in tgt.properties['INTERFACE_LINK_OPTIONS'] if x]
if 'INTERFACE_COMPILE_DEFINITIONS' in tgt.properties:
self.public_compile_opts += ['-D' + re.sub('^-D', '', x) for x in tgt.properties['INTERFACE_COMPILE_DEFINITIONS'] if x]
if 'INTERFACE_COMPILE_OPTIONS' in tgt.properties:
self.public_compile_opts += [x for x in tgt.properties['INTERFACE_COMPILE_OPTIONS'] if x]
if 'IMPORTED_CONFIGURATIONS' in tgt.properties:
cfgs += [x for x in tgt.properties['IMPORTED_CONFIGURATIONS'] if x]
cfg = cfgs[0]
if 'CONFIGURATIONS' in tgt.properties:
cfgs += [x for x in tgt.properties['CONFIGURATIONS'] if x]
cfg = cfgs[0]
is_debug = self.env.coredata.get_option(OptionKey('debug'));
if is_debug:
if 'DEBUG' in cfgs:
cfg = 'DEBUG'
elif 'RELEASE' in cfgs:
cfg = 'RELEASE'
else:
if 'RELEASE' in cfgs:
cfg = 'RELEASE'
if f'IMPORTED_IMPLIB_{cfg}' in tgt.properties:
libraries += [x for x in tgt.properties[f'IMPORTED_IMPLIB_{cfg}'] if x]
elif 'IMPORTED_IMPLIB' in tgt.properties:
libraries += [x for x in tgt.properties['IMPORTED_IMPLIB'] if x]
elif f'IMPORTED_LOCATION_{cfg}' in tgt.properties:
libraries += [x for x in tgt.properties[f'IMPORTED_LOCATION_{cfg}'] if x]
elif 'IMPORTED_LOCATION' in tgt.properties:
libraries += [x for x in tgt.properties['IMPORTED_LOCATION'] if x]
if 'LINK_LIBRARIES' in tgt.properties:
otherDeps += [x for x in tgt.properties['LINK_LIBRARIES'] if x]
if 'INTERFACE_LINK_LIBRARIES' in tgt.properties:
otherDeps += [x for x in tgt.properties['INTERFACE_LINK_LIBRARIES'] if x]
if f'IMPORTED_LINK_DEPENDENT_LIBRARIES_{cfg}' in tgt.properties:
otherDeps += [x for x in tgt.properties[f'IMPORTED_LINK_DEPENDENT_LIBRARIES_{cfg}'] if x]
elif 'IMPORTED_LINK_DEPENDENT_LIBRARIES' in tgt.properties:
otherDeps += [x for x in tgt.properties['IMPORTED_LINK_DEPENDENT_LIBRARIES'] if x]
for j in otherDeps:
if j in trace.targets:
to_process += [j]
elif reg_is_lib.match(j) or Path(j).exists():
libraries += [j]
for j in libraries:
if j not in self.link_libraries:
self.link_libraries += [j]
processed += [curr]
elif self.type.upper() not in ['EXECUTABLE', 'OBJECT_LIBRARY']:
mlog.warning('CMake: Target', mlog.bold(self.cmake_name), 'not found in CMake trace. This can lead to build errors')
temp = []
for i in self.link_libraries:
# Let meson handle this arcane magic
if ',-rpath,' in i:
continue
if not Path(i).is_absolute():
link_with = output_target_map.artifact(i)
if link_with:
self.link_with += [link_with]
continue
temp += [i]
self.link_libraries = temp
# Filter out files that are not supported by the language
supported = list(header_suffixes) + list(obj_suffixes)
for i in self.languages:
supported += list(lang_suffixes[i])
supported = [f'.{x}' for x in supported]
self.sources = [x for x in self.sources if any([x.name.endswith(y) for y in supported])]
self.generated_raw = [x for x in self.generated_raw if any([x.name.endswith(y) for y in supported])]
# Make paths relative
def rel_path(x: Path, is_header: bool, is_generated: bool) -> T.Optional[Path]:
if not x.is_absolute():
x = self.src_dir / x
x = x.resolve()
assert x.is_absolute()
if not x.exists() and not any([x.name.endswith(y) for y in obj_suffixes]) and not is_generated:
if path_is_in_root(x, Path(self.env.get_build_dir()), resolve=True):
x.mkdir(parents=True, exist_ok=True)
return x.relative_to(Path(self.env.get_build_dir()) / subdir)
else:
mlog.warning('CMake: path', mlog.bold(x.as_posix()), 'does not exist.')
mlog.warning(' --> Ignoring. This can lead to build errors.')
return None
if x in trace.explicit_headers:
return None
if (
path_is_in_root(x, Path(self.env.get_source_dir()))
and not (
path_is_in_root(x, root_src_dir) or
path_is_in_root(x, Path(self.env.get_build_dir()))
)
):
mlog.warning('CMake: path', mlog.bold(x.as_posix()), 'is inside the root project but', mlog.bold('not'), 'inside the subproject.')
mlog.warning(' --> Ignoring. This can lead to build errors.')
return None
if path_is_in_root(x, Path(self.env.get_build_dir())) and is_header:
return x.relative_to(Path(self.env.get_build_dir()) / subdir)
if path_is_in_root(x, root_src_dir):
return x.relative_to(root_src_dir)
return x
build_dir_rel = self.build_dir.relative_to(Path(self.env.get_build_dir()) / subdir)
self.generated_raw = [rel_path(x, False, True) for x in self.generated_raw]
self.includes = list(OrderedSet([rel_path(x, True, False) for x in OrderedSet(self.includes)] + [build_dir_rel]))
self.sys_includes = list(OrderedSet([rel_path(x, True, False) for x in OrderedSet(self.sys_includes)]))
self.sources = [rel_path(x, False, False) for x in self.sources]
# Resolve custom targets
for gen_file in self.generated_raw:
ctgt = output_target_map.generated(gen_file)
if ctgt:
assert isinstance(ctgt, ConverterCustomTarget)
ref = ctgt.get_ref(gen_file)
assert isinstance(ref, CustomTargetReference) and ref.valid()
self.generated_ctgt += [ref]
elif gen_file is not None:
self.generated += [gen_file]
# Remove delete entries
self.includes = [x for x in self.includes if x is not None]
self.sys_includes = [x for x in self.sys_includes if x is not None]
self.sources = [x for x in self.sources if x is not None]
# Make sure '.' is always in the include directories
if Path('.') not in self.includes:
self.includes += [Path('.')]
# make install dir relative to the install prefix
if self.install_dir and self.install_dir.is_absolute():
if path_is_in_root(self.install_dir, install_prefix):
self.install_dir = self.install_dir.relative_to(install_prefix)
# Remove blacklisted options and libs
def check_flag(flag: str) -> bool:
if flag.lower() in blacklist_link_flags or flag in blacklist_compiler_flags + blacklist_clang_cl_link_flags:
return False
if flag.startswith('/D'):
return False
return True
self.link_libraries = [x for x in self.link_libraries if x.lower() not in blacklist_link_libs]
self.link_flags = [x for x in self.link_flags if check_flag(x)]
# Handle OSX frameworks
def handle_frameworks(flags: T.List[str]) -> T.List[str]:
res: T.List[str] = []
for i in flags:
p = Path(i)
if not p.exists() or not p.name.endswith('.framework'):
res += [i]
continue
res += ['-framework', p.stem]
return res
self.link_libraries = handle_frameworks(self.link_libraries)
self.link_flags = handle_frameworks(self.link_flags)
# Handle explicit CMake add_dependency() calls
for i in self.depends_raw:
dep_tgt = output_target_map.target(i)
if dep_tgt:
self.depends.append(dep_tgt)
def process_object_libs(self, obj_target_list: T.List['ConverterTarget'], linker_workaround: bool) -> None:
# Try to detect the object library(s) from the generated input sources
temp = [x for x in self.generated if any([x.name.endswith('.' + y) for y in obj_suffixes])]
stem = [x.stem for x in temp]
exts = self._all_source_suffixes()
# Temp now stores the source filenames of the object files
for i in obj_target_list:
source_files = [x.name for x in i.sources + i.generated]
for j in stem:
# On some platforms (specifically looking at you Windows with vs20xy backend) CMake does
# not produce object files with the format `foo.cpp.obj`, instead it skipps the language
# suffix and just produces object files like `foo.obj`. Thus we have to do our best to
# undo this step and guess the correct language suffix of the object file. This is done
# by trying all language suffixes meson knows and checking if one of them fits.
candidates = [j] # type: T.List[str]
if not any([j.endswith('.' + x) for x in exts]):
mlog.warning('Object files do not contain source file extensions, thus falling back to guessing them.', once=True)
candidates += [f'{j}.{x}' for x in exts]
if any([x in source_files for x in candidates]):
if linker_workaround:
self._append_objlib_sources(i)
else:
self.includes += i.includes
self.includes = list(OrderedSet(self.includes))
self.object_libs += [i]
break
# Filter out object files from the sources
self.generated = [x for x in self.generated if not any([x.name.endswith('.' + y) for y in obj_suffixes])]
def _append_objlib_sources(self, tgt: 'ConverterTarget') -> None:
self.includes += tgt.includes
self.sources += tgt.sources
self.generated += tgt.generated
self.generated_ctgt += tgt.generated_ctgt
self.includes = list(OrderedSet(self.includes))
self.sources = list(OrderedSet(self.sources))
self.generated = list(OrderedSet(self.generated))
self.generated_ctgt = list(OrderedSet(self.generated_ctgt))
# Inherit compiler arguments since they may be required for building
for lang, opts in tgt.compile_opts.items():
if lang not in self.compile_opts:
self.compile_opts[lang] = []
self.compile_opts[lang] += [x for x in opts if x not in self.compile_opts[lang]]
@lru_cache(maxsize=None)
def _all_source_suffixes(self) -> 'ImmutableListProtocol[str]':
suffixes = [] # type: T.List[str]
for exts in lang_suffixes.values():
suffixes += [x for x in exts]
return suffixes
@lru_cache(maxsize=None)
def _all_lang_stds(self, lang: str) -> 'ImmutableListProtocol[str]':
try:
res = self.env.coredata.options[OptionKey('std', machine=MachineChoice.BUILD, lang=lang)].choices
except KeyError:
return []
# TODO: Get rid of this once we have proper typing for options
assert isinstance(res, list)
for i in res:
assert isinstance(i, str)
return res
def process_inter_target_dependencies(self) -> None:
# Move the dependencies from all transfer_dependencies_from to the target
to_process = list(self.depends)
processed = []
new_deps = []
for i in to_process:
processed += [i]
if isinstance(i, ConverterTarget) and i.meson_func() in transfer_dependencies_from:
to_process += [x for x in i.depends if x not in processed]
else:
new_deps += [i]
self.depends = list(OrderedSet(new_deps))
def cleanup_dependencies(self) -> None:
# Clear the dependencies from targets that where moved from
if self.meson_func() in transfer_dependencies_from:
self.depends = []
def meson_func(self) -> str:
return target_type_map.get(self.type.upper())
def log(self) -> None:
mlog.log('Target', mlog.bold(self.name), f'({self.cmake_name})')
mlog.log(' -- artifacts: ', mlog.bold(str(self.artifacts)))
mlog.log(' -- full_name: ', mlog.bold(self.full_name))
mlog.log(' -- type: ', mlog.bold(self.type))
mlog.log(' -- install: ', mlog.bold('true' if self.install else 'false'))
mlog.log(' -- install_dir: ', mlog.bold(self.install_dir.as_posix() if self.install_dir else ''))
mlog.log(' -- link_libraries: ', mlog.bold(str(self.link_libraries)))
mlog.log(' -- link_with: ', mlog.bold(str(self.link_with)))
mlog.log(' -- object_libs: ', mlog.bold(str(self.object_libs)))
mlog.log(' -- link_flags: ', mlog.bold(str(self.link_flags)))
mlog.log(' -- languages: ', mlog.bold(str(self.languages)))
mlog.log(' -- includes: ', mlog.bold(str(self.includes)))
mlog.log(' -- sys_includes: ', mlog.bold(str(self.sys_includes)))
mlog.log(' -- sources: ', mlog.bold(str(self.sources)))
mlog.log(' -- generated: ', mlog.bold(str(self.generated)))
mlog.log(' -- generated_ctgt: ', mlog.bold(str(self.generated_ctgt)))
mlog.log(' -- pie: ', mlog.bold('true' if self.pie else 'false'))
mlog.log(' -- override_opts: ', mlog.bold(str(self.override_options)))
mlog.log(' -- depends: ', mlog.bold(str(self.depends)))
mlog.log(' -- options:')
for key, val in self.compile_opts.items():
mlog.log(' -', key, '=', mlog.bold(str(val)))
class CustomTargetReference:
def __init__(self, ctgt: 'ConverterCustomTarget', index: int) -> None:
self.ctgt = ctgt # type: ConverterCustomTarget
self.index = index # type: int
def __repr__(self) -> str:
if self.valid():
return '<{}: {} [{}]>'.format(self.__class__.__name__, self.ctgt.name, self.ctgt.outputs[self.index])
else:
return f'<{self.__class__.__name__}: INVALID REFERENCE>'
def valid(self) -> bool:
return self.ctgt is not None and self.index >= 0
def filename(self) -> str:
return self.ctgt.outputs[self.index]
class ConverterCustomTarget:
tgt_counter = 0 # type: int
out_counter = 0 # type: int
def __init__(self, target: CMakeGeneratorTarget, env: 'Environment', for_machine: MachineChoice) -> None:
assert target.current_bin_dir is not None
assert target.current_src_dir is not None
self.name = target.name
if not self.name:
self.name = f'custom_tgt_{ConverterCustomTarget.tgt_counter}'
ConverterCustomTarget.tgt_counter += 1
self.cmake_name = str(self.name)
self.original_outputs = list(target.outputs)
self.outputs = [x.name for x in self.original_outputs]
self.conflict_map = {} # type: T.Dict[str, str]
self.command = [] # type: T.List[T.List[T.Union[str, ConverterTarget]]]
self.working_dir = target.working_dir
self.depends_raw = target.depends
self.inputs = [] # type: T.List[T.Union[str, CustomTargetReference]]
self.depends = [] # type: T.List[T.Union[ConverterTarget, ConverterCustomTarget]]
self.current_bin_dir = target.current_bin_dir # type: Path
self.current_src_dir = target.current_src_dir # type: Path
self.env = env
self.for_machine = for_machine
self._raw_target = target
# Convert the target name to a valid meson target name
self.name = _sanitize_cmake_name(self.name)
def __repr__(self) -> str:
return f'<{self.__class__.__name__}: {self.name} {self.outputs}>'
def postprocess(self, output_target_map: OutputTargetMap, root_src_dir: Path, all_outputs: T.List[str], trace: CMakeTraceParser) -> None:
# Default the working directory to ${CMAKE_CURRENT_BINARY_DIR}
if self.working_dir is None:
self.working_dir = self.current_bin_dir
# relative paths in the working directory are always relative
# to ${CMAKE_CURRENT_BINARY_DIR}
if not self.working_dir.is_absolute():
self.working_dir = self.current_bin_dir / self.working_dir
# Modify the original outputs if they are relative. Again,
# relative paths are relative to ${CMAKE_CURRENT_BINARY_DIR}
def ensure_absolute(x: Path) -> Path:
if x.is_absolute():
return x
else:
return self.current_bin_dir / x
self.original_outputs = [ensure_absolute(x) for x in self.original_outputs]
# Ensure that there is no duplicate output in the project so
# that meson can handle cases where the same filename is
# generated in multiple directories
temp_outputs = [] # type: T.List[str]
for i in self.outputs:
if i in all_outputs:
old = str(i)
i = f'c{ConverterCustomTarget.out_counter}_{i}'
ConverterCustomTarget.out_counter += 1
self.conflict_map[old] = i
all_outputs += [i]
temp_outputs += [i]
self.outputs = temp_outputs
# Check if the command is a build target
commands = [] # type: T.List[T.List[T.Union[str, ConverterTarget]]]
for curr_cmd in self._raw_target.command:
assert(isinstance(curr_cmd, list))
cmd = [] # type: T.List[T.Union[str, ConverterTarget]]
for j in curr_cmd:
if not j:
continue
target = output_target_map.executable(j)
if target:
# When cross compiling, binaries have to be executed with an exe_wrapper (for instance wine for mingw-w64)
if self.env.exe_wrapper is not None and self.env.properties[self.for_machine].get_cmake_use_exe_wrapper():
assert isinstance(self.env.exe_wrapper, ExternalProgram)
cmd += self.env.exe_wrapper.get_command()
cmd += [target]
continue
elif j in trace.targets:
trace_tgt = trace.targets[j]
if trace_tgt.type == 'EXECUTABLE' and 'IMPORTED_LOCATION' in trace_tgt.properties:
cmd += trace_tgt.properties['IMPORTED_LOCATION']
continue
mlog.debug(f'CMake: Found invalid CMake target "{j}" --> ignoring \n{trace_tgt}')
# Fallthrough on error
cmd += [j]
commands += [cmd]
self.command = commands
# If the custom target does not declare any output, create a dummy
# one that can be used as dependency.
if not self.outputs:
self.outputs = [self.name + '.h']
# Check dependencies and input files
for i in self.depends_raw:
if not i:
continue
raw = Path(i)
art = output_target_map.artifact(i)
tgt = output_target_map.target(i)
gen = output_target_map.generated(raw)
rel_to_root = None
try:
rel_to_root = raw.relative_to(root_src_dir)
except ValueError:
rel_to_root = None
# First check for existing files. Only then check for existing
# targets, etc. This reduces the chance of misdetecting input files
# as outputs from other targets.
# See https://github.com/mesonbuild/meson/issues/6632
if not raw.is_absolute() and (self.current_src_dir / raw).exists():
self.inputs += [(self.current_src_dir / raw).relative_to(root_src_dir).as_posix()]
elif raw.is_absolute() and raw.exists() and rel_to_root is not None:
self.inputs += [rel_to_root.as_posix()]
elif art:
self.depends += [art]
elif tgt:
self.depends += [tgt]
elif gen:
ctgt_ref = gen.get_ref(raw)
assert ctgt_ref is not None
self.inputs += [ctgt_ref]
def process_inter_target_dependencies(self) -> None:
# Move the dependencies from all transfer_dependencies_from to the target
to_process = list(self.depends)
processed = []
new_deps = []
for i in to_process:
processed += [i]
if isinstance(i, ConverterTarget) and i.meson_func() in transfer_dependencies_from:
to_process += [x for x in i.depends if x not in processed]
else:
new_deps += [i]
self.depends = list(OrderedSet(new_deps))
def get_ref(self, fname: Path) -> T.Optional[CustomTargetReference]:
name = fname.name
try:
if name in self.conflict_map:
name = self.conflict_map[name]
idx = self.outputs.index(name)
return CustomTargetReference(self, idx)
except ValueError:
return None
def log(self) -> None:
mlog.log('Custom Target', mlog.bold(self.name), f'({self.cmake_name})')
mlog.log(' -- command: ', mlog.bold(str(self.command)))
mlog.log(' -- outputs: ', mlog.bold(str(self.outputs)))
mlog.log(' -- conflict_map: ', mlog.bold(str(self.conflict_map)))
mlog.log(' -- working_dir: ', mlog.bold(str(self.working_dir)))
mlog.log(' -- depends_raw: ', mlog.bold(str(self.depends_raw)))
mlog.log(' -- inputs: ', mlog.bold(str(self.inputs)))
mlog.log(' -- depends: ', mlog.bold(str(self.depends)))
class CMakeAPI(Enum):
SERVER = 1
FILE = 2
class CMakeInterpreter:
def __init__(self, build: 'Build', subdir: Path, src_dir: Path, install_prefix: Path, env: 'Environment', backend: 'Backend'):
self.build = build
self.subdir = subdir
self.src_dir = src_dir
self.build_dir_rel = subdir / '__CMake_build'
self.build_dir = Path(env.get_build_dir()) / self.build_dir_rel
self.install_prefix = install_prefix
self.env = env
self.for_machine = MachineChoice.HOST # TODO make parameter
self.backend_name = backend.name
self.linkers = set() # type: T.Set[str]
self.cmake_api = CMakeAPI.SERVER
self.client = CMakeClient(self.env)
self.fileapi = CMakeFileAPI(self.build_dir)
# Raw CMake results
self.bs_files = [] # type: T.List[Path]
self.codemodel_configs = None # type: T.Optional[T.List[CMakeConfiguration]]
self.raw_trace = None # type: T.Optional[str]
# Analysed data
self.project_name = ''
self.languages = [] # type: T.List[str]
self.targets = [] # type: T.List[ConverterTarget]
self.custom_targets = [] # type: T.List[ConverterCustomTarget]
self.trace = CMakeTraceParser('', Path('.')) # Will be replaced in analyse
self.output_target_map = OutputTargetMap(self.build_dir)
# Generated meson data
self.generated_targets = {} # type: T.Dict[str, T.Dict[str, T.Optional[str]]]
self.internal_name_map = {} # type: T.Dict[str, str]
# Do some special handling for object libraries for certain configurations
self._object_lib_workaround = False
if self.backend_name.startswith('vs'):
for comp in self.env.coredata.compilers[self.for_machine].values():
if comp.get_linker_id() == 'link':
self._object_lib_workaround = True
break
def configure(self, extra_cmake_options: T.List[str]) -> CMakeExecutor:
# Find CMake
# TODO: Using MachineChoice.BUILD should always be correct here, but also evaluate the use of self.for_machine
cmake_exe = CMakeExecutor(self.env, '>=3.7', MachineChoice.BUILD)
if not cmake_exe.found():
raise CMakeException('Unable to find CMake')
self.trace = CMakeTraceParser(cmake_exe.version(), self.build_dir, permissive=True)
preload_file = mesondata['cmake/data/preload.cmake'].write_to_private(self.env)
toolchain = CMakeToolchain(cmake_exe, self.env, self.for_machine, CMakeExecScope.SUBPROJECT, self.build_dir, preload_file)
toolchain_file = toolchain.write()
# TODO: drop this check once the deprecated `cmake_args` kwarg is removed
extra_cmake_options = check_cmake_args(extra_cmake_options)
cmake_args = []
cmake_args += cmake_get_generator_args(self.env)
cmake_args += [f'-DCMAKE_INSTALL_PREFIX={self.install_prefix}']
cmake_args += extra_cmake_options
trace_args = self.trace.trace_args()
cmcmp_args = [f'-DCMAKE_POLICY_WARNING_{x}=OFF' for x in disable_policy_warnings]
if version_compare(cmake_exe.version(), '>=3.14'):
self.cmake_api = CMakeAPI.FILE
self.fileapi.setup_request()
# Run CMake
mlog.log()
with mlog.nested():
mlog.log('Configuring the build directory with', mlog.bold('CMake'), 'version', mlog.cyan(cmake_exe.version()))
mlog.log(mlog.bold('Running CMake with:'), ' '.join(cmake_args))
mlog.log(mlog.bold(' - build directory: '), self.build_dir.as_posix())
mlog.log(mlog.bold(' - source directory: '), self.src_dir.as_posix())
mlog.log(mlog.bold(' - toolchain file: '), toolchain_file.as_posix())
mlog.log(mlog.bold(' - preload file: '), preload_file.as_posix())
mlog.log(mlog.bold(' - trace args: '), ' '.join(trace_args))
mlog.log(mlog.bold(' - disabled policy warnings:'), '[{}]'.format(', '.join(disable_policy_warnings)))
mlog.log()
self.build_dir.mkdir(parents=True, exist_ok=True)
os_env = environ.copy()
os_env['LC_ALL'] = 'C'
final_args = cmake_args + trace_args + cmcmp_args + toolchain.get_cmake_args() + [self.src_dir.as_posix()]
cmake_exe.set_exec_mode(print_cmout=True, always_capture_stderr=self.trace.requires_stderr())
rc, _, self.raw_trace = cmake_exe.call(final_args, self.build_dir, env=os_env, disable_cache=True)
mlog.log()
h = mlog.green('SUCCEEDED') if rc == 0 else mlog.red('FAILED')
mlog.log('CMake configuration:', h)
if rc != 0:
raise CMakeException('Failed to configure the CMake subproject')
return cmake_exe
def initialise(self, extra_cmake_options: T.List[str]) -> None:
# Run configure the old way because doing it
# with the server doesn't work for some reason
# Additionally, the File API requires a configure anyway
cmake_exe = self.configure(extra_cmake_options)
# Continue with the file API If supported
if self.cmake_api is CMakeAPI.FILE:
# Parse the result
self.fileapi.load_reply()
# Load the buildsystem file list
cmake_files = self.fileapi.get_cmake_sources()
self.bs_files = [x.file for x in cmake_files if not x.is_cmake and not x.is_temp]
self.bs_files = [relative_to_if_possible(x, Path(self.env.get_source_dir())) for x in self.bs_files]
self.bs_files = [x for x in self.bs_files if not path_is_in_root(x, Path(self.env.get_build_dir()), resolve=True)]
self.bs_files = list(OrderedSet(self.bs_files))
# Load the codemodel configurations
self.codemodel_configs = self.fileapi.get_cmake_configurations()
return
with self.client.connect(cmake_exe):
generator = backend_generator_map[self.backend_name]
self.client.do_handshake(self.src_dir, self.build_dir, generator, 1)
# Do a second configure to initialise the server
self.client.query_checked(RequestConfigure(), 'CMake server configure')
# Generate the build system files
self.client.query_checked(RequestCompute(), 'Generating build system files')
# Get CMake build system files
bs_reply = self.client.query_checked(RequestCMakeInputs(), 'Querying build system files')
assert isinstance(bs_reply, ReplyCMakeInputs)
# Now get the CMake code model
cm_reply = self.client.query_checked(RequestCodeModel(), 'Querying the CMake code model')
assert isinstance(cm_reply, ReplyCodeModel)
src_dir = bs_reply.src_dir
self.bs_files = [x.file for x in bs_reply.build_files if not x.is_cmake and not x.is_temp]
self.bs_files = [relative_to_if_possible(src_dir / x, Path(self.env.get_source_dir()), resolve=True) for x in self.bs_files]
self.bs_files = [x for x in self.bs_files if not path_is_in_root(x, Path(self.env.get_build_dir()), resolve=True)]
self.bs_files = list(OrderedSet(self.bs_files))
self.codemodel_configs = cm_reply.configs
def analyse(self) -> None:
if self.codemodel_configs is None:
raise CMakeException('CMakeInterpreter was not initialized')
# Clear analyser data
self.project_name = ''
self.languages = []
self.targets = []
self.custom_targets = []
# Parse the trace
self.trace.parse(self.raw_trace)
# Find all targets
added_target_names = [] # type: T.List[str]
for i_0 in self.codemodel_configs:
for j_0 in i_0.projects:
if not self.project_name:
self.project_name = j_0.name
for k_0 in j_0.targets:
# Avoid duplicate targets from different configurations and known
# dummy CMake internal target types
if k_0.type not in skip_targets and k_0.name not in added_target_names:
added_target_names += [k_0.name]
self.targets += [ConverterTarget(k_0, self.env, self.for_machine)]
# Add interface targets from trace, if not already present.
# This step is required because interface targets were removed from
# the CMake file API output.
api_target_name_list = [x.name for x in self.targets]
for i_1 in self.trace.targets.values():
if i_1.type != 'INTERFACE' or i_1.name in api_target_name_list or i_1.imported:
continue
dummy = CMakeTarget({
'name': i_1.name,
'type': 'INTERFACE_LIBRARY',
'sourceDirectory': self.src_dir,
'buildDirectory': self.build_dir,
})
self.targets += [ConverterTarget(dummy, self.env, self.for_machine)]
for i_2 in self.trace.custom_targets:
self.custom_targets += [ConverterCustomTarget(i_2, self.env, self.for_machine)]
# generate the output_target_map
for i_3 in [*self.targets, *self.custom_targets]:
assert isinstance(i_3, (ConverterTarget, ConverterCustomTarget))
self.output_target_map.add(i_3)
# First pass: Basic target cleanup
object_libs = []
custom_target_outputs = [] # type: T.List[str]
for ctgt in self.custom_targets:
ctgt.postprocess(self.output_target_map, self.src_dir, custom_target_outputs, self.trace)
for tgt in self.targets:
tgt.postprocess(self.output_target_map, self.src_dir, self.subdir, self.install_prefix, self.trace)
if tgt.type == 'OBJECT_LIBRARY':
object_libs += [tgt]
self.languages += [x for x in tgt.languages if x not in self.languages]
# Second pass: Detect object library dependencies
for tgt in self.targets:
tgt.process_object_libs(object_libs, self._object_lib_workaround)
# Third pass: Reassign dependencies to avoid some loops
for tgt in self.targets:
tgt.process_inter_target_dependencies()
for ctgt in self.custom_targets:
ctgt.process_inter_target_dependencies()
# Fourth pass: Remove rassigned dependencies
for tgt in self.targets:
tgt.cleanup_dependencies()
mlog.log('CMake project', mlog.bold(self.project_name), 'has', mlog.bold(str(len(self.targets) + len(self.custom_targets))), 'build targets.')
def pretend_to_be_meson(self, options: TargetOptions) -> CodeBlockNode:
if not self.project_name:
raise CMakeException('CMakeInterpreter was not analysed')
def token(tid: str = 'string', val: TYPE_mixed = '') -> Token:
return Token(tid, self.subdir.as_posix(), 0, 0, 0, None, val)
def string(value: str) -> StringNode:
return StringNode(token(val=value))
def id_node(value: str) -> IdNode:
return IdNode(token(val=value))
def number(value: int) -> NumberNode:
return NumberNode(token(val=value))
def nodeify(value: TYPE_mixed_list) -> BaseNode:
if isinstance(value, str):
return string(value)
if isinstance(value, Path):
return string(value.as_posix())
elif isinstance(value, bool):
return BooleanNode(token(val=value))
elif isinstance(value, int):
return number(value)
elif isinstance(value, list):
return array(value)
elif isinstance(value, BaseNode):
return value
raise RuntimeError('invalid type of value: {} ({})'.format(type(value).__name__, str(value)))
def indexed(node: BaseNode, index: int) -> IndexNode:
return IndexNode(node, nodeify(index))
def array(elements: TYPE_mixed_list) -> ArrayNode:
args = ArgumentNode(token())
if not isinstance(elements, list):
elements = [args]
args.arguments += [nodeify(x) for x in elements if x is not None]
return ArrayNode(args, 0, 0, 0, 0)
def function(name: str, args: T.Optional[TYPE_mixed_list] = None, kwargs: T.Optional[TYPE_mixed_kwargs] = None) -> FunctionNode:
args = [] if args is None else args
kwargs = {} if kwargs is None else kwargs
args_n = ArgumentNode(token())
if not isinstance(args, list):
assert isinstance(args, (str, int, bool, Path, BaseNode))
args = [args]
args_n.arguments = [nodeify(x) for x in args if x is not None]
args_n.kwargs = {id_node(k): nodeify(v) for k, v in kwargs.items() if v is not None}
func_n = FunctionNode(self.subdir.as_posix(), 0, 0, 0, 0, name, args_n)
return func_n
def method(obj: BaseNode, name: str, args: T.Optional[TYPE_mixed_list] = None, kwargs: T.Optional[TYPE_mixed_kwargs] = None) -> MethodNode:
args = [] if args is None else args
kwargs = {} if kwargs is None else kwargs
args_n = ArgumentNode(token())
if not isinstance(args, list):
assert isinstance(args, (str, int, bool, Path, BaseNode))
args = [args]
args_n.arguments = [nodeify(x) for x in args if x is not None]
args_n.kwargs = {id_node(k): nodeify(v) for k, v in kwargs.items() if v is not None}
return MethodNode(self.subdir.as_posix(), 0, 0, obj, name, args_n)
def assign(var_name: str, value: BaseNode) -> AssignmentNode:
return AssignmentNode(self.subdir.as_posix(), 0, 0, var_name, value)
# Generate the root code block and the project function call
root_cb = CodeBlockNode(token())
root_cb.lines += [function('project', [self.project_name] + self.languages)]
# Add the run script for custom commands
# Add the targets
processing = [] # type: T.List[str]
processed = {} # type: T.Dict[str, T.Dict[str, T.Optional[str]]]
name_map = {} # type: T.Dict[str, str]
def extract_tgt(tgt: T.Union[ConverterTarget, ConverterCustomTarget, CustomTargetReference]) -> IdNode:
tgt_name = None
if isinstance(tgt, (ConverterTarget, ConverterCustomTarget)):
tgt_name = tgt.name
elif isinstance(tgt, CustomTargetReference):
tgt_name = tgt.ctgt.name
assert(tgt_name is not None and tgt_name in processed)
res_var = processed[tgt_name]['tgt']
return id_node(res_var) if res_var else None
def detect_cycle(tgt: T.Union[ConverterTarget, ConverterCustomTarget]) -> None:
if tgt.name in processing:
raise CMakeException('Cycle in CMake inputs/dependencies detected')
processing.append(tgt.name)
def resolve_ctgt_ref(ref: CustomTargetReference) -> T.Union[IdNode, IndexNode]:
tgt_var = extract_tgt(ref)
if len(ref.ctgt.outputs) == 1:
return tgt_var
else:
return indexed(tgt_var, ref.index)
def process_target(tgt: ConverterTarget) -> None:
detect_cycle(tgt)
# First handle inter target dependencies
link_with = [] # type: T.List[IdNode]
objec_libs = [] # type: T.List[IdNode]
sources = [] # type: T.List[Path]
generated = [] # type: T.List[T.Union[IdNode, IndexNode]]
generated_filenames = [] # type: T.List[str]
custom_targets = [] # type: T.List[ConverterCustomTarget]
dependencies = [] # type: T.List[IdNode]
for i in tgt.link_with:
assert(isinstance(i, ConverterTarget))
if i.name not in processed:
process_target(i)
link_with += [extract_tgt(i)]
for i in tgt.object_libs:
assert(isinstance(i, ConverterTarget))
if i.name not in processed:
process_target(i)
objec_libs += [extract_tgt(i)]
for i in tgt.depends:
if not isinstance(i, ConverterCustomTarget):
continue
if i.name not in processed:
process_custom_target(i)
dependencies += [extract_tgt(i)]
# Generate the source list and handle generated sources
sources += tgt.sources
sources += tgt.generated
for ctgt_ref in tgt.generated_ctgt:
ctgt = ctgt_ref.ctgt
if ctgt.name not in processed:
process_custom_target(ctgt)
generated += [resolve_ctgt_ref(ctgt_ref)]
generated_filenames += [ctgt_ref.filename()]
if ctgt not in custom_targets:
custom_targets += [ctgt]
# Add all header files from all used custom targets. This
# ensures that all custom targets are built before any
# sources of the current target are compiled and thus all
# header files are present. This step is necessary because
# CMake always ensures that a custom target is executed
# before another target if at least one output is used.
for ctgt in custom_targets:
for j in ctgt.outputs:
if not is_header(j) or j in generated_filenames:
continue
generated += [resolve_ctgt_ref(ctgt.get_ref(Path(j)))]
generated_filenames += [j]
# Determine the meson function to use for the build target
tgt_func = tgt.meson_func()
if not tgt_func:
raise CMakeException(f'Unknown target type "{tgt.type}"')
# Determine the variable names
inc_var = f'{tgt.name}_inc'
dir_var = f'{tgt.name}_dir'
sys_var = f'{tgt.name}_sys'
src_var = f'{tgt.name}_src'
dep_var = f'{tgt.name}_dep'
tgt_var = tgt.name
install_tgt = options.get_install(tgt.cmake_name, tgt.install)
# Generate target kwargs
tgt_kwargs = {
'build_by_default': install_tgt,
'link_args': options.get_link_args(tgt.cmake_name, tgt.link_flags + tgt.link_libraries),
'link_with': link_with,
'include_directories': id_node(inc_var),
'install': install_tgt,
'override_options': options.get_override_options(tgt.cmake_name, tgt.override_options),
'objects': [method(x, 'extract_all_objects') for x in objec_libs],
} # type: TYPE_mixed_kwargs
# Only set if installed and only override if it is set
if install_tgt and tgt.install_dir:
tgt_kwargs['install_dir'] = tgt.install_dir
# Handle compiler args
for key, val in tgt.compile_opts.items():
tgt_kwargs[f'{key}_args'] = options.get_compile_args(tgt.cmake_name, key, val)
# Handle -fPCI, etc
if tgt_func == 'executable':
tgt_kwargs['pie'] = tgt.pie
elif tgt_func == 'static_library':
tgt_kwargs['pic'] = tgt.pie
# declare_dependency kwargs
dep_kwargs = {
'link_args': tgt.link_flags + tgt.link_libraries,
'link_with': id_node(tgt_var),
'compile_args': tgt.public_compile_opts,
'include_directories': id_node(inc_var),
} # type: TYPE_mixed_kwargs
if dependencies:
generated += dependencies
# Generate the function nodes
dir_node = assign(dir_var, function('include_directories', tgt.includes))
sys_node = assign(sys_var, function('include_directories', tgt.sys_includes, {'is_system': True}))
inc_node = assign(inc_var, array([id_node(dir_var), id_node(sys_var)]))
node_list = [dir_node, sys_node, inc_node]
if tgt_func == 'header_only':
del dep_kwargs['link_with']
dep_node = assign(dep_var, function('declare_dependency', kwargs=dep_kwargs))
node_list += [dep_node]
src_var = None
tgt_var = None
else:
src_node = assign(src_var, function('files', sources))
tgt_node = assign(tgt_var, function(tgt_func, [tgt_var, id_node(src_var), *generated], tgt_kwargs))
node_list += [src_node, tgt_node]
if tgt_func in ['static_library', 'shared_library']:
dep_node = assign(dep_var, function('declare_dependency', kwargs=dep_kwargs))
node_list += [dep_node]
elif tgt_func in ['shared_module']:
del dep_kwargs['link_with']
dep_node = assign(dep_var, function('declare_dependency', kwargs=dep_kwargs))
node_list += [dep_node]
else:
dep_var = None
# Add the nodes to the ast
root_cb.lines += node_list
processed[tgt.name] = {'inc': inc_var, 'src': src_var, 'dep': dep_var, 'tgt': tgt_var, 'func': tgt_func}
name_map[tgt.cmake_name] = tgt.name
def process_custom_target(tgt: ConverterCustomTarget) -> None:
# CMake allows to specify multiple commands in a custom target.
# To map this to meson, a helper script is used to execute all
# commands in order. This additionally allows setting the working
# directory.
detect_cycle(tgt)
tgt_var = tgt.name # type: str
def resolve_source(x: T.Union[str, ConverterTarget, ConverterCustomTarget, CustomTargetReference]) -> T.Union[str, IdNode, IndexNode]:
if isinstance(x, ConverterTarget):
if x.name not in processed:
process_target(x)
return extract_tgt(x)
if isinstance(x, ConverterCustomTarget):
if x.name not in processed:
process_custom_target(x)
return extract_tgt(x)
elif isinstance(x, CustomTargetReference):
if x.ctgt.name not in processed:
process_custom_target(x.ctgt)
return resolve_ctgt_ref(x)
else:
return x
# Generate the command list
command = [] # type: T.List[T.Union[str, IdNode, IndexNode]]
command += mesonlib.get_meson_command()
command += ['--internal', 'cmake_run_ctgt']
command += ['-o', '@OUTPUT@']
if tgt.original_outputs:
command += ['-O'] + [x.as_posix() for x in tgt.original_outputs]
command += ['-d', tgt.working_dir.as_posix()]
# Generate the commands. Subcommands are separated by ';;;'
for cmd in tgt.command:
command += [resolve_source(x) for x in cmd] + [';;;']
tgt_kwargs = {
'input': [resolve_source(x) for x in tgt.inputs],
'output': tgt.outputs,
'command': command,
'depends': [resolve_source(x) for x in tgt.depends],
} # type: TYPE_mixed_kwargs
root_cb.lines += [assign(tgt_var, function('custom_target', [tgt.name], tgt_kwargs))]
processed[tgt.name] = {'inc': None, 'src': None, 'dep': None, 'tgt': tgt_var, 'func': 'custom_target'}
name_map[tgt.cmake_name] = tgt.name
# Now generate the target function calls
for ctgt in self.custom_targets:
if ctgt.name not in processed:
process_custom_target(ctgt)
for tgt in self.targets:
if tgt.name not in processed:
process_target(tgt)
self.generated_targets = processed
self.internal_name_map = name_map
return root_cb
def target_info(self, target: str) -> T.Optional[T.Dict[str, str]]:
# Try resolving the target name
# start by checking if there is a 100% match (excluding the name prefix)
prx_tgt = _sanitize_cmake_name(target)
if prx_tgt in self.generated_targets:
return self.generated_targets[prx_tgt]
# check if there exists a name mapping
if target in self.internal_name_map:
target = self.internal_name_map[target]
assert(target in self.generated_targets)
return self.generated_targets[target]
return None
def target_list(self) -> T.List[str]:
return list(self.internal_name_map.keys())