2010-10-05 Ed Schonberg <schonberg@adacore.com>

[pf3gnuchains/gcc-fork.git] / gcc / ada / switch-c.ads

diff --git a/gcc/ada/switch-c.ads b/gcc/ada/switch-c.ads
index 09ac49e..1595858 100644 (file)
--- a/gcc/ada/switch-c.ads
+++ b/gcc/ada/switch-c.ads
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 S p e c                                  --
 --                                                                          --
---          Copyright (C) 2001-2007, Free Software Foundation, Inc.         --
+--          Copyright (C) 2001-2009, 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- --
@@ -29,15 +29,24 @@
 --  switches that are recognized. In addition, package Debug documents
 --  the otherwise undocumented debug switches that are also recognized.
 
+with System.OS_Lib; use System.OS_Lib;
+
 package Switch.C is
 
-   procedure Scan_Front_End_Switches (Switch_Chars : String);
+   procedure Scan_Front_End_Switches
+     (Switch_Chars : String;
+      Args         : Argument_List;
+      Arg_Rank     : Positive);
    --  Procedures to scan out front end switches stored in the given string.
    --  The first character is known to be a valid switch character, and there
    --  are no blanks or other switch terminator characters in the string, so
    --  the entire string should consist of valid switch characters, except that
    --  an optional terminating NUL character is allowed. A bad switch causes
    --  a fatal error exit and control does not return. The call also sets
-   --  Usage_Requested to True if a ? switch is encountered.
+   --  Usage_Requested to True if a switch -gnath is encountered.
+   --
+   --  Args is the full list of command line arguments. Arg_Rank is the
+   --  position of the switch in Args. It is used for certain switches -gnatx
+   --  to check if a subsequent switch -gnat-x cancels the switch -gnatx.
 
 end Switch.C;