# 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.path, subprocess

from ..mesonlib import EnvironmentException

from .compilers import Compiler, mono_buildtype_args

class MonoCompiler(Compiler):
    def __init__(self, exelist, version, **kwargs):
        self.language = 'cs'
        super().__init__(exelist, version, **kwargs)
        self.id = 'mono'
        self.monorunner = 'mono'

    def get_display_language(self):
        return 'C sharp'

    def get_output_args(self, fname):
        return ['-out:' + fname]

    def get_link_args(self, fname):
        return ['-r:' + fname]

    def get_soname_args(self, prefix, shlib_name, suffix, path, soversion, is_shared_module):
        return []

    def get_werror_args(self):
        return ['-warnaserror']

    def split_shlib_to_parts(self, fname):
        return None, fname

    def build_rpath_args(self, build_dir, from_dir, rpath_paths, build_rpath, install_rpath):
        return []

    def get_dependency_gen_args(self, outtarget, outfile):
        return []

    def get_linker_exelist(self):
        return self.exelist[:]

    def get_compile_only_args(self):
        return []

    def get_linker_output_args(self, outputname):
        return []

    def get_coverage_args(self):
        return []

    def get_coverage_link_args(self):
        return []

    def get_std_exe_link_args(self):
        return []

    def get_include_args(self, path):
        return []

    def get_pic_args(self):
        return []

    def name_string(self):
        return ' '.join(self.exelist)

    def get_pch_use_args(self, pch_dir, header):
        return []

    def get_pch_name(self, header_name):
        return ''

    def sanity_check(self, work_dir, environment):
        src = 'sanity.cs'
        obj = 'sanity.exe'
        source_name = os.path.join(work_dir, src)
        with open(source_name, 'w') as ofile:
            ofile.write('''public class Sanity {
    static public void Main () {
    }
}
''')
        pc = subprocess.Popen(self.exelist + [src], cwd=work_dir)
        pc.wait()
        if pc.returncode != 0:
            raise EnvironmentException('Mono compiler %s can not compile programs.' % self.name_string())
        cmdlist = [self.monorunner, obj]
        pe = subprocess.Popen(cmdlist, cwd=work_dir)
        pe.wait()
        if pe.returncode != 0:
            raise EnvironmentException('Executables created by Mono compiler %s are not runnable.' % self.name_string())

    def needs_static_linker(self):
        return False

    def get_buildtype_args(self, buildtype):
        return mono_buildtype_args[buildtype]