2011-10-16 Tristan Gingold <gingold@adacore.com>

[pf3gnuchains/gcc-fork.git] / gcc / ada / s-conca7.ads

diff --git a/gcc/ada/s-conca7.ads b/gcc/ada/s-conca7.ads
index e592760..139a816 100644 (file)
--- a/gcc/ada/s-conca7.ads
+++ b/gcc/ada/s-conca7.ads
@@ -32,18 +32,23 @@
 --  This package contains a procedure for runtime concatenation of seven string
 --  operands. It is used when we want to save space in the generated code.
 
-pragma Warnings (Off);
 pragma Compiler_Unit;
-pragma Warnings (On);
 
 package System.Concat_7 is
 
    procedure Str_Concat_7
      (R                          : out String;
       S1, S2, S3, S4, S5, S6, S7 : String);
-   --  Performs the operation R := S1 & S2 & S3 & S4 & S5 & S6 & S7. The bounds
-   --  of R are known to be correct, so no bounds checks are required, and it
-   --  is known that none of the input operands overlaps R. No assumptions can
-   --  be made about the lower bounds of any of the operands.
+   --  Performs the operation R := S1 & S2 & S3 & S4 & S5 & S6 & S7. The
+   --  bounds of R are known to be correct (usually set by a call to the
+   --  Str_Concat_Bounds_8 procedure below), so no bounds checks are required,
+   --  and it is known that none of the input operands overlaps R. No
+   --  assumptions can be made about the lower bounds of any of the operands.
+
+   procedure Str_Concat_Bounds_7
+     (Lo, Hi                     : out Natural;
+      S1, S2, S3, S4, S5, S6, S7 : String);
+   --  Assigns to Lo..Hi the bounds of the result of concatenating the seven
+   --  given strings, following the rules in the RM regarding null operands.
 
 end System.Concat_7;