diff options
Diffstat (limited to 'lib/flags.ml')
| -rw-r--r-- | lib/flags.ml | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/flags.ml b/lib/flags.ml index 4e3da3d8c..cde45a81f 100644 --- a/lib/flags.ml +++ b/lib/flags.ml @@ -79,8 +79,18 @@ let we_are_parsing = ref false For correct comparisons, this constructor should remain the last one. *) type compat_version = V8_2 | V8_3 | V8_4 | Current + let compat_version = ref Current -let version_strictly_greater v = !compat_version > v + +let version_strictly_greater v = match !compat_version, v with +| V8_2, (V8_2 | V8_3 | V8_4 | Current) -> false +| V8_3, (V8_3 | V8_4 | Current) -> false +| V8_4, (V8_4 | Current) -> false +| Current, Current -> false +| V8_3, V8_2 -> true +| V8_4, (V8_2 | V8_3) -> true +| Current, (V8_2 | V8_3 | V8_4) -> true + let version_less_or_equal v = not (version_strictly_greater v) let pr_version = function |