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Diffstat (limited to 'gcc-4.2.1/gcc/ada/a-comlin.ads')
| -rw-r--r-- | gcc-4.2.1/gcc/ada/a-comlin.ads | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/gcc-4.2.1/gcc/ada/a-comlin.ads b/gcc-4.2.1/gcc/ada/a-comlin.ads deleted file mode 100644 index da9e583ae..000000000 --- a/gcc-4.2.1/gcc/ada/a-comlin.ads +++ /dev/null @@ -1,136 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- A D A . C O M M A N D _ L I N E -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2005, 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 -- --- apply solely to the contents of the part following the private keyword. -- --- -- --- 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 2, 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. See the GNU General Public License -- --- for more details. You should have received a copy of the GNU General -- --- Public License distributed with GNAT; see file COPYING. If not, write -- --- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, -- --- Boston, MA 02110-1301, USA. -- --- -- --- As a special exception, if other files instantiate generics from this -- --- unit, or you link this unit with other files to produce an executable, -- --- this unit does not by itself cause the resulting executable to be -- --- covered by the GNU General Public License. This exception does not -- --- however invalidate any other reasons why the executable file might be -- --- covered by the GNU Public License. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - -package Ada.Command_Line is - pragma Preelaborate; - - function Argument_Count return Natural; - -- If the external execution environment supports passing arguments to a - -- program, then Argument_Count returns the number of arguments passed to - -- the program invoking the function. Otherwise it return 0. - -- - -- In GNAT: Corresponds to (argc - 1) in C. - - function Argument (Number : Positive) return String; - -- If the external execution environment supports passing arguments to - -- a program, then Argument returns an implementation-defined value - -- corresponding to the argument at relative position Number. If Number - -- is outside the range 1 .. Argument_Count, then Constraint_Error is - -- propagated. - -- - -- in GNAT: Corresponds to argv [n] (for n > 0) in C. - - function Command_Name return String; - -- If the external execution environment supports passing arguments to - -- a program, then Command_Name returns an implementation-defined value - -- corresponding to the name of the command invoking the program. - -- Otherwise Command_Name returns the null string. - -- - -- in GNAT: Corresponds to argv [0] in C. - - type Exit_Status is new Integer; - - Success : constant Exit_Status; - Failure : constant Exit_Status; - - procedure Set_Exit_Status (Code : Exit_Status); - - ------------------------------------ - -- Note on Interface Requirements -- - ------------------------------------ - - -- If the main program is in Ada, this package works as specified without - -- any other work than the normal steps of WITH'ing the package and then - -- calling the desired routines. - - -- If the main program is not in Ada, then the information must be made - -- available for this package to work correctly. In particular, it is - -- required that the global variable "gnat_argc" contain the number of - -- arguments, and that the global variable "gnat_argv" points to an - -- array of null-terminated strings, the first entry being the command - -- name, and the remaining entries being the command arguments. - - -- These correspond to the normal argc/argv variables passed to a C - -- main program, and the following is an example of a complete C main - -- program that stores the required information: - - -- main(int argc, char **argv, char **envp) - -- { - -- extern int gnat_argc; - -- extern char **gnat_argv; - -- extern char **gnat_envp; - -- gnat_argc = argc; - -- gnat_argv = argv; - -- gnat_envp = envp; - - -- adainit(); - -- adamain(); - -- adafinal(); - -- } - - -- The assignment statements ensure that the necessary information is - -- available for finding the command name and command line arguments. - -private - Success : constant Exit_Status := 0; - Failure : constant Exit_Status := 1; - - -- The following locations support the operation of the package - -- Ada.Command_Line.Remove, whih provides facilities for logically - -- removing arguments from the command line. If one of the remove - -- procedures is called in this unit, then Remove_Args/Remove_Count - -- are set to indicate which arguments are removed. If no such calls - -- have been made, then Remove_Args is null. - - Remove_Count : Natural; - -- Number of arguments reflecting removals. Not defined unless - -- Remove_Args is non-null. - - type Arg_Nums is array (Positive range <>) of Positive; - type Arg_Nums_Ptr is access Arg_Nums; - -- An array that maps logical argument numbers (reflecting removal) - -- to physical argument numbers (e.g. if the first argument has been - -- removed, but not the second, then Arg_Nums (1) will be set to 2. - - Remove_Args : Arg_Nums_Ptr := null; - -- Left set to null if no remove calls have been made, otherwise set - -- to point to an appropriate mapping array. Only the first Remove_Count - -- elements are relevant. - - pragma Import (C, Set_Exit_Status, "__gnat_set_exit_status"); - -end Ada.Command_Line; |