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# SPDX-License-Identifier: Apache-2.0
# Copyright 2012-2017 The Meson development team
from __future__ import annotations
import subprocess, os.path
import typing as T
from ..mesonlib import EnvironmentException
from .compilers import Compiler, clike_debug_args
if T.TYPE_CHECKING:
from ..envconfig import MachineInfo
from ..environment import Environment
from ..linkers.linkers import DynamicLinker
from ..mesonlib import MachineChoice
swift_optimization_args: T.Dict[str, T.List[str]] = {
'plain': [],
'0': [],
'g': [],
'1': ['-O'],
'2': ['-O'],
'3': ['-O'],
's': ['-O'],
}
class SwiftCompiler(Compiler):
LINKER_PREFIX = ['-Xlinker']
language = 'swift'
id = 'llvm'
def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
is_cross: bool, info: 'MachineInfo', full_version: T.Optional[str] = None,
linker: T.Optional['DynamicLinker'] = None):
super().__init__([], exelist, version, for_machine, info,
is_cross=is_cross, full_version=full_version,
linker=linker)
self.version = version
def needs_static_linker(self) -> bool:
return True
def get_werror_args(self) -> T.List[str]:
return ['--fatal-warnings']
def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
return ['-emit-dependencies']
def depfile_for_object(self, objfile: str) -> T.Optional[str]:
return os.path.splitext(objfile)[0] + '.' + self.get_depfile_suffix()
def get_depfile_suffix(self) -> str:
return 'd'
def get_output_args(self, target: str) -> T.List[str]:
return ['-o', target]
def get_header_import_args(self, headername: str) -> T.List[str]:
return ['-import-objc-header', headername]
def get_warn_args(self, level: str) -> T.List[str]:
return []
def get_std_exe_link_args(self) -> T.List[str]:
return ['-emit-executable']
def get_module_args(self, modname: str) -> T.List[str]:
return ['-module-name', modname]
def get_mod_gen_args(self) -> T.List[str]:
return ['-emit-module']
def get_include_args(self, path: str, is_system: bool) -> T.List[str]:
return ['-I' + path]
def get_compile_only_args(self) -> T.List[str]:
return ['-c']
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[:2] == '-I' or i[:2] == '-L':
parameter_list[idx] = i[:2] + os.path.normpath(os.path.join(build_dir, i[2:]))
return parameter_list
def sanity_check(self, work_dir: str, environment: 'Environment') -> None:
src = 'swifttest.swift'
source_name = os.path.join(work_dir, src)
output_name = os.path.join(work_dir, 'swifttest')
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 open(source_name, 'w', encoding='utf-8') as ofile:
ofile.write('''print("Swift compilation is working.")
''')
pc = subprocess.Popen(self.exelist + extra_flags + ['-emit-executable', '-o', output_name, src], cwd=work_dir)
pc.wait()
if pc.returncode != 0:
raise EnvironmentException('Swift compiler %s cannot compile programs.' % self.name_string())
if self.is_cross:
# Can't check if the binaries run so we have to assume they do
return
if subprocess.call(output_name) != 0:
raise EnvironmentException('Executables created by Swift compiler %s are not runnable.' % self.name_string())
def get_debug_args(self, is_debug: bool) -> T.List[str]:
return clike_debug_args[is_debug]
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return swift_optimization_args[optimization_level]