Adding upstream version 1.0.1.upstream/1.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/mesonbuild/interpreter/primitives/range.py b/mesonbuild/interpreter/primitives/range.py
new file mode 100644
index 0000000..5eb5e03
--- /dev/null
+++ b/mesonbuild/interpreter/primitives/range.py
@@ -0,0 +1,38 @@
+# Copyright 2021 The Meson development team
+# SPDX-license-identifier: Apache-2.0
+from __future__ import annotations
+
+import typing as T
+
+from ...interpreterbase import (
+    MesonInterpreterObject,
+    IterableObject,
+    MesonOperator,
+    InvalidArguments,
+)
+
+if T.TYPE_CHECKING:
+    from ...interpreterbase import SubProject
+
+class RangeHolder(MesonInterpreterObject, IterableObject):
+    def __init__(self, start: int, stop: int, step: int, *, subproject: 'SubProject') -> None:
+        super().__init__(subproject=subproject)
+        self.range = range(start, stop, step)
+        self.operators.update({
+            MesonOperator.INDEX: self.op_index,
+        })
+
+    def op_index(self, other: int) -> int:
+        try:
+            return self.range[other]
+        except IndexError:
+            raise InvalidArguments(f'Index {other} out of bounds of range.')
+
+    def iter_tuple_size(self) -> None:
+        return None
+
+    def iter_self(self) -> T.Iterator[int]:
+        return iter(self.range)
+
+    def size(self) -> int:
+        return len(self.range)