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# SPDX-License-Identifier: Apache-2.0
# Copyright 2012-2017 The Meson development team
from __future__ import annotations
import os.path
import typing as T
from .. import mlog
from .. import mesonlib
from ..mesonlib import EnvironmentException, version_compare, LibType
from ..options import OptionKey
from .compilers import CompileCheckMode, Compiler
if T.TYPE_CHECKING:
from ..arglist import CompilerArgs
from ..envconfig import MachineInfo
from ..environment import Environment
from ..mesonlib import MachineChoice
from ..dependencies import Dependency
from ..build import BuildTarget
class ValaCompiler(Compiler):
language = 'vala'
id = 'valac'
def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo'):
super().__init__([], exelist, version, for_machine, info, is_cross=is_cross)
self.version = version
self.base_options = {OptionKey('b_colorout')}
self.force_link = False
self._has_color_support = version_compare(self.version, '>=0.37.1')
def needs_static_linker(self) -> bool:
return False # Because compiles into C.
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return []
def get_debug_args(self, is_debug: bool) -> T.List[str]:
return ['--debug'] if is_debug else []
def get_output_args(self, outputname: str) -> T.List[str]:
return [] # Because compiles into C.
def get_compile_only_args(self) -> T.List[str]:
return [] # Because compiles into C.
def get_compiler_args_for_mode(self, mode: CompileCheckMode) -> T.List[str]:
args: T.List[str] = []
if mode is CompileCheckMode.LINK and self.force_link:
return args
args += self.get_always_args()
if mode is CompileCheckMode.COMPILE:
args += self.get_compile_only_args()
elif mode is CompileCheckMode.PREPROCESS:
args += self.get_preprocess_only_args()
return args
def get_preprocess_only_args(self) -> T.List[str]:
return []
def get_pic_args(self) -> T.List[str]:
return []
def get_pie_args(self) -> T.List[str]:
return []
def get_pie_link_args(self) -> T.List[str]:
return []
def get_always_args(self) -> T.List[str]:
return ['-C']
def get_warn_args(self, level: str) -> T.List[str]:
return []
def get_werror_args(self) -> T.List[str]:
return ['--fatal-warnings']
def get_colorout_args(self, colortype: str) -> T.List[str]:
if self._has_color_support:
return ['--color=' + colortype]
return []
def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str],
build_dir: str) -> T.List[str]:
for idx, i in enumerate(parameter_list):
if i[:9] == '--girdir=':
parameter_list[idx] = i[:9] + os.path.normpath(os.path.join(build_dir, i[9:]))
if i[:10] == '--vapidir=':
parameter_list[idx] = i[:10] + os.path.normpath(os.path.join(build_dir, i[10:]))
if i[:13] == '--includedir=':
parameter_list[idx] = i[:13] + os.path.normpath(os.path.join(build_dir, i[13:]))
if i[:14] == '--metadatadir=':
parameter_list[idx] = i[:14] + os.path.normpath(os.path.join(build_dir, i[14:]))
return parameter_list
def sanity_check(self, work_dir: str, environment: 'Environment') -> None:
code = 'class MesonSanityCheck : Object { }'
extra_flags: T.List[str] = []
extra_flags += environment.coredata.get_external_args(self.for_machine, self.language)
if self.is_cross:
extra_flags += self.get_compile_only_args()
else:
extra_flags += environment.coredata.get_external_link_args(self.for_machine, self.language)
with self.cached_compile(code, environment.coredata, extra_args=extra_flags, mode=CompileCheckMode.COMPILE) as p:
if p.returncode != 0:
msg = f'Vala compiler {self.name_string()!r} cannot compile programs'
raise EnvironmentException(msg)
def find_library(self, libname: str, env: 'Environment', extra_dirs: T.List[str],
libtype: LibType = LibType.PREFER_SHARED, lib_prefix_warning: bool = True) -> T.Optional[T.List[str]]:
if extra_dirs and isinstance(extra_dirs, str):
extra_dirs = [extra_dirs]
# Valac always looks in the default vapi dir, so only search there if
# no extra dirs are specified.
if not extra_dirs:
code = 'class MesonFindLibrary : Object { }'
args: T.List[str] = []
args += env.coredata.get_external_args(self.for_machine, self.language)
vapi_args = ['--pkg', libname]
args += vapi_args
with self.cached_compile(code, env.coredata, extra_args=args, mode=CompileCheckMode.COMPILE) as p:
if p.returncode == 0:
return vapi_args
# Not found? Try to find the vapi file itself.
for d in extra_dirs:
vapi = os.path.join(d, libname + '.vapi')
if os.path.isfile(vapi):
return [vapi]
mlog.debug(f'Searched {extra_dirs!r} and {libname!r} wasn\'t found')
return None
def thread_flags(self, env: 'Environment') -> T.List[str]:
return []
def thread_link_flags(self, env: 'Environment') -> T.List[str]:
return []
def get_option_link_args(self, target: 'BuildTarget', env: 'Environment', subproject: T.Optional[str] = None) -> T.List[str]:
return []
def build_wrapper_args(self, env: 'Environment',
extra_args: T.Union[None, CompilerArgs, T.List[str], T.Callable[[CompileCheckMode], T.List[str]]],
dependencies: T.Optional[T.List['Dependency']],
mode: CompileCheckMode = CompileCheckMode.COMPILE) -> CompilerArgs:
if callable(extra_args):
extra_args = extra_args(mode)
if extra_args is None:
extra_args = []
if dependencies is None:
dependencies = []
# Collect compiler arguments
args = self.compiler_args(self.get_compiler_check_args(mode))
for d in dependencies:
# Add compile flags needed by dependencies
if mode is CompileCheckMode.LINK and self.force_link:
# As we are passing the parameter to valac we don't need the dependent libraries.
a = d.get_compile_args()
if a:
p = a[0]
n = p[max(p.rfind('/'), p.rfind('\\'))+1:]
if not n == d.get_name():
args += ['--pkg=' + d.get_name()] # This is used by gio-2.0 among others.
else:
args += ['--pkg=' + n]
else:
args += ['--Xcc=-l' + d.get_name()] # This is used by the maths library(-lm) among others.
else:
args += d.get_compile_args()
if mode is CompileCheckMode.LINK:
# Add link flags needed to find dependencies
if not self.force_link: # There are no need for link dependencies when linking with valac.
args += d.get_link_args()
if mode is CompileCheckMode.COMPILE:
# Add DFLAGS from the env
args += env.coredata.get_external_args(self.for_machine, self.language)
elif mode is CompileCheckMode.LINK:
# Add LDFLAGS from the env
args += env.coredata.get_external_link_args(self.for_machine, self.language)
# extra_args must override all other arguments, so we add them last
args += extra_args
return args
def links(self, code: 'mesonlib.FileOrString', env: 'Environment', *,
compiler: T.Optional['Compiler'] = None,
extra_args: T.Union[None, T.List[str], CompilerArgs, T.Callable[[CompileCheckMode], T.List[str]]] = None,
dependencies: T.Optional[T.List['Dependency']] = None,
disable_cache: bool = False) -> T.Tuple[bool, bool]:
self.force_link = True
if compiler:
with compiler._build_wrapper(code, env, dependencies=dependencies, want_output=True) as r:
objfile = mesonlib.File.from_absolute_file(r.output_name)
result = self.compiles(objfile, env, extra_args=extra_args,
dependencies=dependencies, mode=CompileCheckMode.LINK, disable_cache=True)
self.force_link = False
return result
result = self.compiles(code, env, extra_args=extra_args,
dependencies=dependencies, mode=CompileCheckMode.LINK, disable_cache=disable_cache)
self.force_link = False
return result
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