diff options
Diffstat (limited to 'mesonbuild/interpreterbase/interpreterbase.py')
| -rw-r--r-- | mesonbuild/interpreterbase/interpreterbase.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/mesonbuild/interpreterbase/interpreterbase.py b/mesonbuild/interpreterbase/interpreterbase.py index 5849e9ca9..e94ba70dc 100644 --- a/mesonbuild/interpreterbase/interpreterbase.py +++ b/mesonbuild/interpreterbase/interpreterbase.py @@ -39,6 +39,7 @@ import textwrap if T.TYPE_CHECKING: from .baseobjects import InterpreterObjectTypeVar, SubProject, TYPE_kwargs, TYPE_var + from ..ast import AstVisitor from ..interpreter import Interpreter HolderMapType = T.Dict[ @@ -74,6 +75,8 @@ class InterpreterBase: # Holder maps store a mapping from an HoldableObject to a class ObjectHolder self.holder_map: HolderMapType = {} self.bound_holder_map: HolderMapType = {} + self.build_def_files: mesonlib.OrderedSet[str] = mesonlib.OrderedSet() + self.processed_buildfiles: T.Set[str] = set() self.subdir = subdir self.root_subdir = subdir self.subproject = subproject @@ -668,3 +671,40 @@ class InterpreterBase: def validate_extraction(self, buildtarget: mesonlib.HoldableObject) -> None: raise InterpreterException('validate_extraction is not implemented in this context (please file a bug)') + + def _resolve_subdir(self, rootdir: str, new_subdir: str) -> T.Tuple[str, bool]: + subdir = os.path.join(self.subdir, new_subdir) + absdir = os.path.join(rootdir, subdir) + symlinkless_dir = os.path.realpath(absdir) + build_file = os.path.join(symlinkless_dir, environment.build_filename) + if build_file in self.processed_buildfiles: + return subdir, False + self.processed_buildfiles.add(build_file) + return subdir, True + + def _evaluate_subdir(self, rootdir: str, subdir: str, visitors: T.Optional[T.Iterable[AstVisitor]] = None) -> bool: + buildfilename = os.path.join(subdir, environment.build_filename) + self.build_def_files.add(buildfilename) + + absname = os.path.join(rootdir, buildfilename) + if not os.path.isfile(absname): + return False + + code = self.read_buildfile(absname, buildfilename) + try: + codeblock = mparser.Parser(code, absname).parse() + except mesonlib.MesonException as me: + me.file = absname + raise me + try: + prev_subdir = self.subdir + self.subdir = subdir + if visitors: + for visitor in visitors: + codeblock.accept(visitor) + self.evaluate_codeblock(codeblock) + except SubdirDoneRequest: + pass + finally: + self.subdir = prev_subdir + return True |