1 files changed, 127 insertions, 0 deletions
diff --git a/lib/private/default_info_subject.bzl b/lib/private/default_info_subject.bzl
new file mode 100644
index 0000000..3a66a48
--- /dev/null
+++ b/lib/private/default_info_subject.bzl
@@ -0,0 +1,127 @@
+# Copyright 2023 The Bazel Authors. All rights reserved.
+#
+# 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.
+
+"""# DefaultInfoSubject"""
+
+load(":runfiles_subject.bzl", "RunfilesSubject")
+load(":depset_file_subject.bzl", "DepsetFileSubject")
+load(":file_subject.bzl", "FileSubject")
+
+def _default_info_subject_new(info, *, meta):
+    """Creates a `DefaultInfoSubject`
+
+    Args:
+        info: ([`DefaultInfo`]) the DefaultInfo object to wrap.
+        meta: ([`ExpectMeta`]) call chain information.
+
+    Returns:
+        [`DefaultInfoSubject`] object.
+    """
+    self = struct(actual = info, meta = meta)
+    public = struct(
+        # keep sorted start
+        actual = info,
+        runfiles = lambda *a, **k: _default_info_subject_runfiles(self, *a, **k),
+        data_runfiles = lambda *a, **k: _default_info_subject_data_runfiles(self, *a, **k),
+        default_outputs = lambda *a, **k: _default_info_subject_default_outputs(self, *a, **k),
+        executable = lambda *a, **k: _default_info_subject_executable(self, *a, **k),
+        runfiles_manifest = lambda *a, **k: _default_info_subject_runfiles_manifest(self, *a, **k),
+        # keep sorted end
+    )
+    return public
+
+def _default_info_subject_runfiles(self):
+    """Creates a subject for the default runfiles.
+
+    Args:
+        self: implicitly added.
+
+    Returns:
+        [`RunfilesSubject`] object
+    """
+    return RunfilesSubject.new(
+        self.actual.default_runfiles,
+        meta = self.meta.derive("runfiles()"),
+        kind = "default",
+    )
+
+def _default_info_subject_data_runfiles(self):
+    """Creates a subject for the data runfiles.
+
+    Args:
+        self: implicitly added.
+
+    Returns:
+        [`RunfilesSubject`] object
+    """
+    return RunfilesSubject.new(
+        self.actual.data_runfiles,
+        meta = self.meta.derive("data_runfiles()"),
+        kind = "data",
+    )
+
+def _default_info_subject_default_outputs(self):
+    """Creates a subject for the default outputs.
+
+    Args:
+        self: implicitly added.
+
+    Returns:
+        [`DepsetFileSubject`] object.
+    """
+    return DepsetFileSubject.new(
+        self.actual.files,
+        meta = self.meta.derive("default_outputs()"),
+    )
+
+def _default_info_subject_executable(self):
+    """Creates a subject for the executable file.
+
+    Args:
+        self: implicitly added.
+
+    Returns:
+        [`FileSubject`] object.
+    """
+    return FileSubject.new(
+        self.actual.files_to_run.executable,
+        meta = self.meta.derive("executable()"),
+    )
+
+def _default_info_subject_runfiles_manifest(self):
+    """Creates a subject for the runfiles manifest.
+
+    Args:
+        self: implicitly added.
+
+    Returns:
+        [`FileSubject`] object.
+    """
+    return FileSubject.new(
+        self.actual.files_to_run.runfiles_manifest,
+        meta = self.meta.derive("runfiles_manifest()"),
+    )
+
+# We use this name so it shows up nice in docs.
+# buildifier: disable=name-conventions
+DefaultInfoSubject = struct(
+    # keep sorted start
+    new = _default_info_subject_new,
+    runfiles = _default_info_subject_runfiles,
+    data_runfiles = _default_info_subject_data_runfiles,
+    default_outputs = _default_info_subject_default_outputs,
+    executable = _default_info_subject_executable,
+    runfiles_manifest = _default_info_subject_runfiles_manifest,
+    # keep sorted end
+)