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# Copyright 2012-2017 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.
import subprocess, os.path
from ..mesonlib import EnvironmentException, MachineChoice
from .compilers import Compiler, swift_buildtype_args, clike_debug_args
swift_optimization_args = {'0': [],
'g': [],
'1': ['-O'],
'2': ['-O'],
'3': ['-O'],
's': ['-O'],
}
class SwiftCompiler(Compiler):
LINKER_PREFIX = ['-Xlinker']
def __init__(self, exelist, version, for_machine: MachineChoice, is_cross, **kwargs):
self.language = 'swift'
super().__init__(exelist, version, for_machine, **kwargs)
self.version = version
self.id = 'llvm'
self.is_cross = is_cross
def name_string(self):
return ' '.join(self.exelist)
def needs_static_linker(self):
return True
def get_werror_args(self):
return ['--fatal-warnings']
def get_dependency_gen_args(self, outtarget, outfile):
return ['-emit-dependencies']
def depfile_for_object(self, objfile):
return os.path.splitext(objfile)[0] + '.' + self.get_depfile_suffix()
def get_depfile_suffix(self):
return 'd'
def get_output_args(self, target):
return ['-o', target]
def get_header_import_args(self, headername):
return ['-import-objc-header', headername]
def get_warn_args(self, level):
return []
def get_buildtype_args(self, buildtype):
return swift_buildtype_args[buildtype]
def get_std_exe_link_args(self):
return ['-emit-executable']
def get_module_args(self, modname):
return ['-module-name', modname]
def get_mod_gen_args(self):
return ['-emit-module']
def get_include_args(self, dirname):
return ['-I' + dirname]
def get_compile_only_args(self):
return ['-c']
def compute_parameters_with_absolute_paths(self, parameter_list, build_dir):
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, environment):
src = 'swifttest.swift'
source_name = os.path.join(work_dir, src)
output_name = os.path.join(work_dir, 'swifttest')
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') 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 can not 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):
return clike_debug_args[is_debug]
def get_optimization_args(self, optimization_level):
return swift_optimization_args[optimization_level]
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