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authorcharlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>2008-05-27 10:14:25 +0000
committercharlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4>2008-05-27 10:14:25 +0000
commite24843bcaa8ea853207a7162dd3d876feaf799b8 (patch)
treef8477ecfb2c883ca1bd8ae86692e823bda30959f /gcc/ada/a-ztexio.ads
parent9f8bf1ca3a2d61719fb8c9ab3fc48d7727f140c8 (diff)
downloadgcc-e24843bcaa8ea853207a7162dd3d876feaf799b8.tar.gz
2008-05-27 Thomas Quinot <quinot@adacore.com>
(System.File_IO.{Close, Delete, Reset}): Change File parameter from "in out AFCB_Ptr" to "access AFCB_Ptr". (Ada.*_IO.{Close, Delete, Reset, Set_Mode}): Pass File parameter by reference. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@136002 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/a-ztexio.ads')
-rw-r--r--gcc/ada/a-ztexio.ads28
1 files changed, 27 insertions, 1 deletions
diff --git a/gcc/ada/a-ztexio.ads b/gcc/ada/a-ztexio.ads
index f91599295a4..b1b50fc59a7 100644
--- a/gcc/ada/a-ztexio.ads
+++ b/gcc/ada/a-ztexio.ads
@@ -6,7 +6,7 @@
-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2007, 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 --
@@ -301,6 +301,32 @@ package Ada.Wide_Wide_Text_IO is
Layout_Error : exception renames IO_Exceptions.Layout_Error;
private
+
+ -- The following procedures have a File_Type formal of mode IN OUT because
+ -- they may close the original file. The Close operation may raise an
+ -- exception, but in that case we want any assignment to the formal to
+ -- be effective anyway, so it must be passed by reference (or the caller
+ -- will be left with a dangling pointer).
+
+ pragma Export_Procedure
+ (Internal => Close,
+ External => "",
+ Mechanism => Reference);
+ pragma Export_Procedure
+ (Internal => Delete,
+ External => "",
+ Mechanism => Reference);
+ pragma Export_Procedure
+ (Internal => Reset,
+ External => "",
+ Parameter_Types => (File_Type),
+ Mechanism => Reference);
+ pragma Export_Procedure
+ (Internal => Reset,
+ External => "",
+ Parameter_Types => (File_Type, File_Mode),
+ Mechanism => (File => Reference));
+
package WCh_Con renames System.WCh_Con;
-----------------------------------