Split out languages from compilers.py

1 files changed, 90 insertions, 0 deletions

diff --git a/mesonbuild/compilers/vala.py b/mesonbuild/compilers/vala.py
new file mode 100644
index 0000000..21c040c
--- /dev/null
+++ b/mesonbuild/compilers/vala.py
@@ -0,0 +1,90 @@
+# 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
+
+from .. import mlog
+from ..mesonlib import EnvironmentException
+
+from .compilers import Compiler
+
+class ValaCompiler(Compiler):
+    def __init__(self, exelist, version):
+        self.language = 'vala'
+        super().__init__(exelist, version)
+        self.version = version
+        self.id = 'valac'
+        self.is_cross = False
+
+    def name_string(self):
+        return ' '.join(self.exelist)
+
+    def needs_static_linker(self):
+        return False # Because compiles into C.
+
+    def get_output_args(self, target):
+        return ['-o', target]
+
+    def get_compile_only_args(self):
+        return ['-C']
+
+    def get_pic_args(self):
+        return []
+
+    def get_always_args(self):
+        return ['-C']
+
+    def get_warn_args(self, warning_level):
+        return []
+
+    def get_no_warn_args(self):
+        return ['--disable-warnings']
+
+    def get_werror_args(self):
+        return ['--fatal-warnings']
+
+    def sanity_check(self, work_dir, environment):
+        code = 'class MesonSanityCheck : Object { }'
+        args = self.get_cross_extra_flags(environment, link=False)
+        with self.compile(code, args, 'compile') as p:
+            if p.returncode != 0:
+                msg = 'Vala compiler {!r} can not compile programs' \
+                      ''.format(self.name_string())
+                raise EnvironmentException(msg)
+
+    def get_buildtype_args(self, buildtype):
+        if buildtype == 'debug' or buildtype == 'debugoptimized' or buildtype == 'minsize':
+            return ['--debug']
+        return []
+
+    def find_library(self, libname, env, extra_dirs):
+        if extra_dirs and isinstance(extra_dirs, str):
+            extra_dirs = [extra_dirs]
+        # Valac always looks in the default vapi dir, so only search there if
+        # no extra dirs are specified.
+        if not extra_dirs:
+            code = 'class MesonFindLibrary : Object { }'
+            vapi_args = ['--pkg', libname]
+            args = self.get_cross_extra_flags(env, link=False)
+            args += vapi_args
+            with self.compile(code, args, 'compile') as p:
+                if p.returncode == 0:
+                    return vapi_args
+        # Not found? Try to find the vapi file itself.
+        for d in extra_dirs:
+            vapi = os.path.join(d, libname + '.vapi')
+            if os.path.isfile(vapi):
+                return [vapi]
+        mlog.debug('Searched {!r} and {!r} wasn\'t found'.format(extra_dirs, libname))
+        return None