Enable use of get_options in project statement

mesonbuild/interpreter/interpreter.py

@@ -1085,6 +1085,9 @@ def get_option_internal(self, optname: str) -> options.UserOption:
     def func_get_option(self, nodes: mparser.BaseNode, args: T.Tuple[str],
                         kwargs: 'TYPE_kwargs') -> T.Union[options.UserOption, 'TYPE_var']:
         optname = args[0]
+
+        self.load_options(nodes, args)
+
         if ':' in optname:
             raise InterpreterException('Having a colon in option name is forbidden, '
                                        'projects are not allowed to directly access '
@@ -1148,34 +1151,7 @@ def set_backend(self) -> None:
         options = {k: v for k, v in self.environment.options.items() if self.environment.coredata.optstore.is_backend_option(k)}
         self.coredata.set_options(options)
 
-    @typed_pos_args('project', str, varargs=str)
-    @typed_kwargs(
-        'project',
-        DEFAULT_OPTIONS,
-        KwargInfo('meson_version', (str, NoneType)),
-        KwargInfo(
-            'version',
-            (str, mesonlib.File, NoneType, list),
-            default='undefined',
-            validator=_project_version_validator,
-            convertor=lambda x: x[0] if isinstance(x, list) else x,
-        ),
-        KwargInfo('license', (ContainerTypeInfo(list, str), NoneType), default=None, listify=True),
-        KwargInfo('license_files', ContainerTypeInfo(list, str), default=[], listify=True, since='1.1.0'),
-        KwargInfo('subproject_dir', str, default='subprojects'),
-    )
-    def func_project(self, node: mparser.FunctionNode, args: T.Tuple[str, T.List[str]], kwargs: 'kwtypes.Project') -> None:
-        proj_name, proj_langs = args
-        if ':' in proj_name:
-            raise InvalidArguments(f"Project name {proj_name!r} must not contain ':'")
-
-        # This needs to be evaluated as early as possible, as meson uses this
-        # for things like deprecation testing.
-        if kwargs['meson_version']:
-            self.handle_meson_version(kwargs['meson_version'], node)
-        else:
-            mesonlib.project_meson_versions[self.subproject] = mesonlib.NoProjectVersion()
-
+    def load_options(self, node: mparser.FunctionNode, args: T.Tuple[str, T.List[str]]) -> None:
         # Load "meson.options" before "meson_options.txt", and produce a warning if
         # it is being used with an old version. I have added check that if both
         # exist the warning isn't raised
@@ -1204,6 +1180,34 @@ def func_project(self, node: mparser.FunctionNode, args: T.Tuple[str, T.List[str
         else:
             self.coredata.options_files[self.subproject] = None
 
+    @typed_pos_args('project', str, varargs=str)
+    @typed_kwargs(
+        'project',
+        DEFAULT_OPTIONS,
+        KwargInfo('meson_version', (str, NoneType)),
+        KwargInfo(
+            'version',
+            (str, mesonlib.File, NoneType, list),
+            default='undefined',
+            validator=_project_version_validator,
+            convertor=lambda x: x[0] if isinstance(x, list) else x,
+        ),
+        KwargInfo('license', (ContainerTypeInfo(list, str), NoneType), default=None, listify=True),
+        KwargInfo('license_files', ContainerTypeInfo(list, str), default=[], listify=True, since='1.1.0'),
+        KwargInfo('subproject_dir', str, default='subprojects'),
+    )
+    def func_project(self, node: mparser.FunctionNode, args: T.Tuple[str, T.List[str]], kwargs: 'kwtypes.Project') -> None:
+        proj_name, proj_langs = args
+        if ':' in proj_name:
+            raise InvalidArguments(f"Project name {proj_name!r} must not contain ':'")
+
+        # This needs to be evaluated as early as possible, as meson uses this
+        # for things like deprecation testing.
+        if kwargs['meson_version']:
+            self.handle_meson_version(kwargs['meson_version'], node)
+        else:
+            mesonlib.project_meson_versions[self.subproject] = mesonlib.NoProjectVersion()
+
         if self.subproject:
             self.project_default_options = {k.evolve(subproject=self.subproject): v
                                             for k, v in kwargs['default_options'].items()}