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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gnat.dg/sort1.adb
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+with GNAT.Heap_Sort_G;
+function sort1 (S : String) return String is
+ Result : String (1 .. S'Length) := S;
+ Temp : Character;
+
+ procedure Move (From : Natural; To : Natural) is
+ begin
+ if From = 0 then Result (To) := Temp;
+ elsif To = 0 then Temp := Result (From);
+ else Result (To) := Result (From);
+ end if;
+ end Move;
+
+ function Lt (Op1, Op2 : Natural) return Boolean is
+ begin
+ if Op1 = 0 then return Temp < Result (Op2);
+ elsif Op2 = 0 then return Result (Op1) < Temp;
+ else return Result (Op1) < Result (Op2);
+ end if;
+ end Lt;
+
+ package SP is new GNAT.Heap_Sort_G (Move, Lt);
+
+begin
+ SP.Sort (S'Length);
+ return Result;
+end;