gcc/m2/mc-boot/GArgs.cc

   1 /* do not edit automatically generated by mc from Args.  */
   2 /* Args.mod provide access to command line arguments.
   3
   4 Copyright (C) 2001-2024 Free Software Foundation, Inc.
   5 Contributed by Gaius Mulley <gaius@glam.ac.uk>.
   6
   7 This file is part of GNU Modula-2.
   8
   9 GNU Modula-2 is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 3, or (at your option)
  12 any later version.
  13
  14 GNU Modula-2 is distributed in the hope that it will be useful, but
  15 WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 General Public License for more details.
  18
  19 Under Section 7 of GPL version 3, you are granted additional
  20 permissions described in the GCC Runtime Library Exception, version
  21 3.1, as published by the Free Software Foundation.
  22
  23 You should have received a copy of the GNU General Public License and
  24 a copy of the GCC Runtime Library Exception along with this program;
  25 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  26 <http://www.gnu.org/licenses/>.  */
  27
  28 #include "config.h"
  29 #include "system.h"
  30 #include <stdbool.h>
  31 #   if !defined (PROC_D)
  32 #      define PROC_D
  33        typedef void (*PROC_t) (void);
  34        typedef struct { PROC_t proc; } PROC;
  35 #   endif
  36
  37 #define _Args_C
  38
  39 #include "GArgs.h"
  40 #   include "GUnixArgs.h"
  41 #   include "GASCII.h"
  42
  43 #   define MaxArgs 255
  44 #   define MaxString 4096
  45 typedef struct Args__T2_a Args__T2;
  46
  47 typedef Args__T2 *Args__T1;
  48
  49 typedef struct Args__T3_a Args__T3;
  50
  51 struct Args__T2_a { Args__T3 * array[MaxArgs+1]; };
  52 struct Args__T3_a { char array[MaxString+1]; };
  53 static Args__T1 Source;
  54
  55 /*
  56    GetArg - returns the nth argument from the command line.
  57             The success of the operation is returned.
  58 */
  59
  60 extern "C" bool Args_GetArg (char *a, unsigned int _a_high, unsigned int n);
  61
  62 /*
  63    Narg - returns the number of arguments available from
  64           command line.
  65 */
  66
  67 extern "C" unsigned int Args_Narg (void);
  68
  69
  70 /*
  71    GetArg - returns the nth argument from the command line.
  72             The success of the operation is returned.
  73 */
  74
  75 extern "C" bool Args_GetArg (char *a, unsigned int _a_high, unsigned int n)
  76 {
  77   int i;
  78   unsigned int High;
  79   unsigned int j;
  80
  81   i = (int ) (n);
  82   j = 0;
  83   High = _a_high;
  84   if (i < (UnixArgs_GetArgC ()))
  85     {
  86       Source = static_cast<Args__T1> (UnixArgs_GetArgV ());
  87       while ((j < High) && ((*(*Source).array[i]).array[j] != ASCII_nul))
  88         {
  89           const_cast<char *>(a)[j] = (*(*Source).array[i]).array[j];
  90           j += 1;
  91         }
  92     }
  93   if (j <= High)
  94     {
  95       const_cast<char *>(a)[j] = ASCII_nul;
  96     }
  97   return i < (UnixArgs_GetArgC ());
  98   /* static analysis guarentees a RETURN statement will be used before here.  */
  99   __builtin_unreachable ();
 100 }
 101
 102
 103 /*
 104    Narg - returns the number of arguments available from
 105           command line.
 106 */
 107
 108 extern "C" unsigned int Args_Narg (void)
 109 {
 110   return UnixArgs_GetArgC ();
 111   /* static analysis guarentees a RETURN statement will be used before here.  */
 112   __builtin_unreachable ();
 113 }
 114
 115 extern "C" void _M2_Args_init (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
 116 {
 117 }
 118
 119 extern "C" void _M2_Args_fini (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
 120 {
 121 }