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-rw-r--r--src/vhdl/vhdl-evaluation.ads3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/vhdl/vhdl-evaluation.ads b/src/vhdl/vhdl-evaluation.ads
index 61c290ae1..6d913a4d2 100644
--- a/src/vhdl/vhdl-evaluation.ads
+++ b/src/vhdl/vhdl-evaluation.ads
@@ -127,6 +127,9 @@ package Vhdl.Evaluation is
-- Note: the range constraint may be an attribute or a subtype.
function Eval_Discrete_Range_Left (Constraint : Iir) return Iir;
+ -- Return true iff RNG is a null range.
+ function Eval_Is_Null_Discrete_Range (Rng : Iir) return Boolean;
+
-- Return the position of EXPR, ie the result of sub_type'pos (EXPR), where
-- sub_type is the type of expr.
-- EXPR must be of a discrete subtype.