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Diffstat (limited to 'gcc-4.4.3/gcc/ada/a-colire.adb')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/a-colire.adb | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/ada/a-colire.adb b/gcc-4.4.3/gcc/ada/a-colire.adb new file mode 100644 index 000000000..31a285591 --- /dev/null +++ b/gcc-4.4.3/gcc/ada/a-colire.adb @@ -0,0 +1,124 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . C O M M A N D _ L I N E . R E M O V E -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1999-2009, 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- -- +-- ware Foundation; either version 3, or (at your option) any later ver- -- +-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- +-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- +-- or FITNESS FOR A PARTICULAR PURPOSE. -- +-- -- +-- As a special exception under Section 7 of GPL version 3, you are granted -- +-- additional permissions described in the GCC Runtime Library Exception, -- +-- version 3.1, as published by the Free Software Foundation. -- +-- -- +-- You should have received a copy of the GNU General Public License and -- +-- a copy of the GCC Runtime Library Exception along with this program; -- +-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- +-- <http://www.gnu.org/licenses/>. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package body Ada.Command_Line.Remove is + + ----------------------- + -- Local Subprograms -- + ----------------------- + + procedure Initialize; + -- Initialize the Remove_Count and Remove_Args variables + + ---------------- + -- Initialize -- + ---------------- + + procedure Initialize is + begin + if Remove_Args = null then + Remove_Count := Argument_Count; + Remove_Args := new Arg_Nums (1 .. Argument_Count); + + for J in Remove_Args'Range loop + Remove_Args (J) := J; + end loop; + end if; + end Initialize; + + --------------------- + -- Remove_Argument -- + --------------------- + + procedure Remove_Argument (Number : Positive) is + begin + Initialize; + + if Number > Remove_Count then + raise Constraint_Error; + end if; + + Remove_Count := Remove_Count - 1; + + for J in Number .. Remove_Count loop + Remove_Args (J) := Remove_Args (J + 1); + end loop; + end Remove_Argument; + + procedure Remove_Argument (Argument : String) is + begin + for J in reverse 1 .. Argument_Count loop + if Argument = Ada.Command_Line.Argument (J) then + Remove_Argument (J); + end if; + end loop; + end Remove_Argument; + + ---------------------- + -- Remove_Arguments -- + ---------------------- + + procedure Remove_Arguments (From : Positive; To : Natural) is + begin + Initialize; + + if From > Remove_Count + or else To > Remove_Count + then + raise Constraint_Error; + end if; + + if To >= From then + Remove_Count := Remove_Count - (To - From + 1); + + for J in From .. Remove_Count loop + Remove_Args (J) := Remove_Args (J + (To - From + 1)); + end loop; + end if; + end Remove_Arguments; + + procedure Remove_Arguments (Argument_Prefix : String) is + begin + for J in reverse 1 .. Argument_Count loop + declare + Arg : constant String := Argument (J); + + begin + if Arg'Length >= Argument_Prefix'Length + and then Arg (1 .. Argument_Prefix'Length) = Argument_Prefix + then + Remove_Argument (J); + end if; + end; + end loop; + end Remove_Arguments; + +end Ada.Command_Line.Remove; |