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a-strbou.ads, [...] (From_String): New procedure (for use by Stream_Convert)

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2008-04-08  Robert Dewar  <dewar@adacore.com>

	* a-strbou.ads, a-strbou.adb (From_String): New procedure (for use by
	Stream_Convert)

	* sem_ch13.ads (Rep_Item_Too_Late): Document that Stream_Convert sets
	FOnly

From-SVN: r134019
This commit is contained in:
Robert Dewar 2008-04-08 08:47:40 +02:00 committed by Arnaud Charlet
parent 151463df56
commit 868e30a566
3 changed files with 20 additions and 4 deletions
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11
gcc/ada/a-strbou.adb
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@ -6,7 +6,7 @@
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2005, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2008, 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- --
@ -60,6 +60,15 @@ package body Ada.Strings.Bounded is
return Times (Left, Right, Max_Length);
end "*";
-----------------
-- From_String --
-----------------
function From_String (Source : String) return Bounded_String is
begin
return To_Super_String (Source, Max_Length, Error);
end From_String;
---------------
-- Replicate --
---------------

8
gcc/ada/a-strbou.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2006, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2008, Free Software Foundation, Inc. --
-- --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
@ -469,6 +469,12 @@ package Ada.Strings.Bounded is
-- the generic instantiation is compatible with the Super_String
-- type declared in the Superbounded package.
function From_String (Source : String) return Bounded_String;
-- Private routine used only by Stream_Convert
pragma Stream_Convert (Bounded_String, From_String, To_String);
-- Provide stream routines without dragging in Ada.Streams
Null_Bounded_String : constant Bounded_String :=
(Max_Length => Max_Length,
Current_Length => 0,

5
gcc/ada/sem_ch13.ads
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@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2007, Free Software Foundation, Inc. --
-- Copyright (C) 1992-2008, 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- --
@ -121,7 +121,8 @@ package Sem_Ch13 is
-- stream attributes, which, although certainly not subtype related
-- attributes, clearly should not be subject to the para 10 restrictions
-- (see AI95-00137). Similarly, we also skip the para 10 restrictions for
-- the Storage_Size case where they also clearly do not apply.
-- the Storage_Size case where they also clearly do not apply, and for
-- Stream_Convert which is in the same category as the strem attributes.
--
-- If the rep item is too late, an appropriate message is output and
-- True is returned, which is a signal that the caller should abandon