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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 os
import os.path
import shutil
import subprocess
import textwrap
import typing as T
from ..mesonlib import EnvironmentException, MachineChoice
from .compilers import Compiler, java_buildtype_args
from .mixins.islinker import BasicLinkerIsCompilerMixin
if T.TYPE_CHECKING:
from ..envconfig import MachineInfo
from ..environment import Environment
class JavaCompiler(BasicLinkerIsCompilerMixin, Compiler):
language = 'java'
def __init__(self, exelist: T.List[str], version: str, for_machine: MachineChoice,
info: 'MachineInfo', full_version: T.Optional[str] = None):
super().__init__(exelist, version, for_machine, info, full_version=full_version)
self.id = 'unknown'
self.javarunner = 'java'
def get_werror_args(self) -> T.List[str]:
return ['-Werror']
def get_output_args(self, outputname: str) -> T.List[str]:
if outputname == '':
outputname = './'
return ['-d', outputname, '-s', outputname]
def get_pic_args(self) -> T.List[str]:
return []
def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
return []
def get_pch_name(self, name: str) -> str:
return ''
def get_buildtype_args(self, buildtype: str) -> T.List[str]:
return java_buildtype_args[buildtype]
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 in ['-cp', '-classpath', '-sourcepath'] and idx + 1 < len(parameter_list):
path_list = parameter_list[idx + 1].split(os.pathsep)
path_list = [os.path.normpath(os.path.join(build_dir, x)) for x in path_list]
parameter_list[idx + 1] = os.pathsep.join(path_list)
return parameter_list
def sanity_check(self, work_dir: str, environment: 'Environment') -> None:
src = 'SanityCheck.java'
obj = 'SanityCheck'
source_name = os.path.join(work_dir, src)
with open(source_name, 'w', encoding='utf-8') as ofile:
ofile.write(textwrap.dedent(
'''class SanityCheck {
public static void main(String[] args) {
int i;
}
}
'''))
pc = subprocess.Popen(self.exelist + [src], cwd=work_dir)
pc.wait()
if pc.returncode != 0:
raise EnvironmentException('Java compiler %s can not compile programs.' % self.name_string())
runner = shutil.which(self.javarunner)
if runner:
cmdlist = [runner, obj]
pe = subprocess.Popen(cmdlist, cwd=work_dir)
pe.wait()
if pe.returncode != 0:
raise EnvironmentException('Executables created by Java compiler %s are not runnable.' % self.name_string())
else:
m = "Java Virtual Machine wasn't found, but it's needed by Meson. " \
"Please install a JRE.\nIf you have specific needs where this " \
"requirement doesn't make sense, please open a bug at " \
"https://github.com/mesonbuild/meson/issues/new and tell us " \
"all about it."
raise EnvironmentException(m)
def needs_static_linker(self) -> bool:
return False
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return []
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