Split out languages from compilers.py

1 files changed, 64 insertions, 0 deletions

diff --git a/mesonbuild/compilers/objc.py b/mesonbuild/compilers/objc.py
new file mode 100644
index 0000000..b011c81
--- /dev/null
+++ b/mesonbuild/compilers/objc.py
@@ -0,0 +1,64 @@
+# 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 .c import CCompiler
+from .compilers import ClangCompiler, GnuCompiler
+
+class ObjCCompiler(CCompiler):
+    def __init__(self, exelist, version, is_cross, exe_wrap):
+        self.language = 'objc'
+        CCompiler.__init__(self, exelist, version, is_cross, exe_wrap)
+
+    def sanity_check(self, work_dir, environment):
+        # TODO try to use sanity_check_impl instead of duplicated code
+        source_name = os.path.join(work_dir, 'sanitycheckobjc.m')
+        binary_name = os.path.join(work_dir, 'sanitycheckobjc')
+        extra_flags = self.get_cross_extra_flags(environment, link=False)
+        if self.is_cross:
+            extra_flags += self.get_compile_only_args()
+        with open(source_name, 'w') as ofile:
+            ofile.write('#import<stdio.h>\n'
+                        'int main(int argc, char **argv) { return 0; }\n')
+        pc = subprocess.Popen(self.exelist + extra_flags + [source_name, '-o', binary_name])
+        pc.wait()
+        if pc.returncode != 0:
+            raise EnvironmentException('ObjC 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
+        pe = subprocess.Popen(binary_name)
+        pe.wait()
+        if pe.returncode != 0:
+            raise EnvironmentException('Executables created by ObjC compiler %s are not runnable.' % self.name_string())
+
+
+class GnuObjCCompiler(GnuCompiler, ObjCCompiler):
+    def __init__(self, exelist, version, gcc_type, is_cross, exe_wrapper=None, defines=None):
+        ObjCCompiler.__init__(self, exelist, version, is_cross, exe_wrapper)
+        GnuCompiler.__init__(self, gcc_type, defines)
+        default_warn_args = ['-Wall', '-Winvalid-pch']
+        self.warn_args = {'1': default_warn_args,
+                          '2': default_warn_args + ['-Wextra'],
+                          '3': default_warn_args + ['-Wextra', '-Wpedantic']}
+
+
+class ClangObjCCompiler(ClangCompiler, GnuObjCCompiler):
+    def __init__(self, exelist, version, cltype, is_cross, exe_wrapper=None):
+        GnuObjCCompiler.__init__(self, exelist, version, cltype, is_cross, exe_wrapper)
+        ClangCompiler.__init__(self, cltype)
+        self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage']