1  /* do not edit automatically generated by mc from Scan.  */
       2  /* Scan.def Provides a primitive symbol fetching from input.
       3  
       4  Copyright (C) 2001-2023 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  
      29  #if !defined (_Scan_H)
      30  #   define _Scan_H
      31  
      32  #include "config.h"
      33  #include "system.h"
      34  #   ifdef __cplusplus
      35  extern "C" {
      36  #   endif
      37  #   if !defined (PROC_D)
      38  #      define PROC_D
      39         typedef void (*PROC_t) (void);
      40         typedef struct { PROC_t proc; } PROC;
      41  #   endif
      42  
      43  
      44  #   if defined (_Scan_C)
      45  #      define EXTERN
      46  #   else
      47  #      define EXTERN extern
      48  #   endif
      49  
      50  
      51  /*
      52   OpenSource - opens a source file for reading.                  */
      53  
      54  EXTERN unsigned int Scan_OpenSource (const char *a_, unsigned int _a_high);
      55  
      56  /*
      57   CloseSource - closes the current source file from reading.     */
      58  
      59  EXTERN void Scan_CloseSource (void);
      60  
      61  /*
      62   GetNextSymbol gets the next source symbol and returns it in a. */
      63  
      64  EXTERN void Scan_GetNextSymbol (char *a, unsigned int _a_high);
      65  EXTERN void Scan_WriteError (const char *a_, unsigned int _a_high);
      66  
      67  /*
      68     TerminateOnError - exits with status 1 if we call WriteError.
      69  */
      70  
      71  EXTERN void Scan_TerminateOnError (void);
      72  
      73  /*
      74     DefineComments - defines the start of comments within the source
      75                      file.
      76  
      77                      The characters in Start define the comment start
      78                      and characters in End define the end.
      79                      The BOOLEAN eoln determine whether the comment
      80                      is terminated by end of line. If eoln is TRUE
      81                      then End is ignored.
      82  
      83                      If this procedure is never called then no comments
      84                      are allowed.
      85  */
      86  
      87  EXTERN void Scan_DefineComments (const char *Start_, unsigned int _Start_high, const char *End_, unsigned int _End_high, unsigned int eoln);
      88  #   ifdef __cplusplus
      89  }
      90  #   endif
      91  
      92  #   undef EXTERN
      93  #endif