Consolidate warning location formatting in mlog.warning()

Also use .format() rather than %
Also use build.environment rather than hardcoding 'meson.build'

3 files changed, 11 insertions, 3 deletions

diff --git a/mesonbuild/interpreter.py b/mesonbuild/interpreter.py
index e8fb081..8170357 100644
--- a/mesonbuild/interpreter.py
+++ b/mesonbuild/interpreter.py
@@ -1935,7 +1935,7 @@ to directly access options of other subprojects.''')
     @noKwargs
     def func_warning(self, node, args, kwargs):
         argstr = self.get_message_string_arg(node)
-        mlog.warning('%s in file %s, line %d' % (argstr, os.path.join(node.subdir, 'meson.build'), node.lineno))
+        mlog.warning(argstr, location=node)
 
     @noKwargs
     def func_error(self, node, args, kwargs):
diff --git a/mesonbuild/mlog.py b/mesonbuild/mlog.py
index a0d07ec..aa2ac20 100644
--- a/mesonbuild/mlog.py
+++ b/mesonbuild/mlog.py
@@ -103,6 +103,13 @@ def log(*args, **kwargs):
     force_print(*arr, **kwargs)
 
 def warning(*args, **kwargs):
+    from . import environment
+
+    if kwargs.get('location'):
+        location = kwargs['location']
+        del kwargs['location']
+        args += ('in file {}, line {}.'.format(os.path.join(location.subdir, environment.build_filename), location.lineno),)
+
     log(yellow('WARNING:'), *args, **kwargs)
 
 # Format a list for logging purposes as a string. It separates
diff --git a/mesonbuild/mparser.py b/mesonbuild/mparser.py
index 782b7a7..eb03393 100644
--- a/mesonbuild/mparser.py
+++ b/mesonbuild/mparser.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import os, re
+import re
 from .mesonlib import MesonException
 from . import mlog
 
@@ -368,7 +368,8 @@ class ArgumentNode:
 
     def set_kwarg(self, name, value):
         if name in self.kwargs:
-            mlog.warning('Keyword argument "%s" defined multiple times in file %s, line %d. This will be an error in future Meson releases.' % (name, os.path.join(self.subdir, 'meson.build'), self.lineno))
+            mlog.warning('Keyword argument "{}" defined multiple times'.format(name), location=self)
+            mlog.warning('This will be an error in future Meson releases.')
         self.kwargs[name] = value
 
     def num_args(self):