diff options
Diffstat (limited to 'gcc/ada/a-cohase.adb')
| -rw-r--r-- | gcc/ada/a-cohase.adb | 40 |
1 files changed, 39 insertions, 1 deletions
diff --git a/gcc/ada/a-cohase.adb b/gcc/ada/a-cohase.adb index 643dde5d964..e0b2345234b 100644 --- a/gcc/ada/a-cohase.adb +++ b/gcc/ada/a-cohase.adb @@ -6,7 +6,7 @@ -- -- -- B o d y -- -- -- --- Copyright (C) 2004-2010, Free Software Foundation, Inc. -- +-- Copyright (C) 2004-2011, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- @@ -159,6 +159,16 @@ package body Ada.Containers.Hashed_Sets is Node.Element := Item; end Assign; + procedure Assign (Target : in out Set; Source : Set) is + begin + if Target'Address = Source'Address then + return; + end if; + + Target.Clear; + Target.Union (Source); + end Assign; + -------------- -- Capacity -- -------------- @@ -186,6 +196,34 @@ package body Ada.Containers.Hashed_Sets is return Find (Container, Item) /= No_Element; end Contains; + ---------- + -- Copy -- + ---------- + + function Copy + (Source : Set; + Capacity : Count_Type := 0) return Set + is + C : Count_Type; + + begin + if Capacity = 0 then + C := Source.Length; + + elsif Capacity >= Source.Length then + C := Capacity; + + else + raise Capacity_Error + with "Requested capacity is less than Source length"; + end if; + + return Target : Set do + Target.Reserve_Capacity (C); + Target.Assign (Source); + end return; + end Copy; + --------------- -- Copy_Node -- --------------- |