gcc/m2/mc-boot/GSArgs.cc

   1 /* do not edit automatically generated by mc from SArgs.  */
   2 /* SArgs.mod provides a String interface to the command line arguments.
   3
   4 Copyright (C) 2001-2024 Free Software Foundation, Inc.
   5 Contributed by Gaius Mulley <gaius.mulley@southwales.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 #   if !defined (TRUE)
  38 #      define TRUE (1==1)
  39 #   endif
  40
  41 #   if !defined (FALSE)
  42 #      define FALSE (1==0)
  43 #   endif
  44
  45 #if defined(__cplusplus)
  46 #   undef NULL
  47 #   define NULL 0
  48 #endif
  49 #define _SArgs_C
  50
  51 #include "GSArgs.h"
  52 #   include "GSYSTEM.h"
  53 #   include "GUnixArgs.h"
  54 #   include "GDynamicStrings.h"
  55
  56 typedef char *SArgs_PtrToChar;
  57
  58 typedef SArgs_PtrToChar *SArgs_PtrToPtrToChar;
  59
  60
  61 /*
  62    GetArg - returns the nth argument from the command line.
  63             The success of the operation is returned.
  64             If TRUE is returned then the string, s, contains a
  65             new string, otherwise s is set to NIL.
  66 */
  67
  68 extern "C" bool SArgs_GetArg (DynamicStrings_String *s, unsigned int n);
  69
  70 /*
  71    Narg - returns the number of arguments available from
  72           command line.
  73 */
  74
  75 extern "C" unsigned int SArgs_Narg (void);
  76
  77
  78 /*
  79    GetArg - returns the nth argument from the command line.
  80             The success of the operation is returned.
  81             If TRUE is returned then the string, s, contains a
  82             new string, otherwise s is set to NIL.
  83 */
  84
  85 extern "C" bool SArgs_GetArg (DynamicStrings_String *s, unsigned int n)
  86 {
  87   int i;
  88   void * a;
  89   SArgs_PtrToPtrToChar ppc;
  90
  91   i = (int ) (n);
  92   if (i < (UnixArgs_GetArgC ()))
  93     {
  94       a = (void *) (UnixArgs_GetArgV ());
  95       a = reinterpret_cast<void *> (reinterpret_cast<char *> (a)+n*sizeof (SArgs_PtrToChar));
  96       ppc = static_cast<SArgs_PtrToPtrToChar> (a);
  97       (*s) = DynamicStrings_InitStringCharStar (reinterpret_cast <void *> ((*ppc)));
  98       return true;
  99     }
 100   else
 101     {
 102       (*s) = static_cast<DynamicStrings_String> (NULL);
 103       return false;
 104     }
 105   /* static analysis guarentees a RETURN statement will be used before here.  */
 106   __builtin_unreachable ();
 107 }
 108
 109
 110 /*
 111    Narg - returns the number of arguments available from
 112           command line.
 113 */
 114
 115 extern "C" unsigned int SArgs_Narg (void)
 116 {
 117   return UnixArgs_GetArgC ();
 118   /* static analysis guarentees a RETURN statement will be used before here.  */
 119   __builtin_unreachable ();
 120 }
 121
 122 extern "C" void _M2_SArgs_init (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
 123 {
 124 }
 125
 126 extern "C" void _M2_SArgs_fini (__attribute__((unused)) int argc, __attribute__((unused)) char *argv[], __attribute__((unused)) char *envp[])
 127 {
 128 }