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/*
 * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED 
 * All rights reserved.
 * 
 * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
 * non-exclusive and royalty-free license to use, copy, modify and
 * redistribute, solely for non-commercial and non-profit purposes, the
 * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
 * conditions of this Agreement. For the avoidance of doubt, you acquire
 * only a limited right to use the SOFTWARE hereunder, and FLL or any
 * third party developer retains all rights, including but not limited to
 * copyrights, in and to the SOFTWARE.
 * 
 * (1) FLL does not grant you a license in any way for commercial
 * purposes. You may use the SOFTWARE only for non-commercial and
 * non-profit purposes only, such as academic, research and internal
 * business use.
 * (2) The SOFTWARE is protected by the Copyright Law of Japan and
 * international copyright treaties. If you make copies of the SOFTWARE,
 * with or without modification, as permitted hereunder, you shall affix
 * to all such copies of the SOFTWARE the above copyright notice.
 * (3) An explicit reference to this SOFTWARE and its copyright owner
 * shall be made on your publication or presentation in any form of the
 * results obtained by use of the SOFTWARE.
 * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
 * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
 * for such modification or the source code of the modified part of the
 * SOFTWARE.
 * 
 * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
 * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
 * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
 * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
 * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
 * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
 * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
 * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
 * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
 * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
 * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
 * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
 * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
 * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
 * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
 *
 * $OpenXM: OpenXM_contrib2/asir2000/parse/asir_lib.c,v 1.12 2018/03/29 01:32:54 noro Exp $ 
*/
#include "ca.h"
#include "parse.h"
#if defined(THINK_C)
#include <console.h>
#endif

#if defined(PARI)
#  include "genpari.h"
#  if !(PARI_VERSION_CODE > 131588 )
extern jmp_buf environnement;
#  endif
#endif

extern jmp_buf env;
extern char *parse_strp;
extern int do_file;

void Init_Asir(int,char **);
int Call_Asir(char *,pointer *);

void Init_Asir(int argc,char **argv)
{
  FILE *ifp;
  char ifname[BUFSIZ];
  extern int GC_dont_gc;
  extern int do_asirrc;
  char *getenv();
  static asirlib_initialized=0;

  if ( asirlib_initialized )
    return;
  GC_init();
  asirlib_initialized = 1;
  do_file = 1;
#if defined(PARI)
    risa_pari_init();
#endif 
  srandom((int)get_current_time());
/*  mt_sgenrand((unsigned long)get_current_time()); */

#if defined(THINK_C)
  param_init();
#endif
  rtime_init();
  env_init();
  endian_init();
#if !defined(VISUAL) && !defined(__MINGW32__) && !defined(THINK_C)
/*  check_key(); */
#endif
  process_args(--argc,++argv);
  copyright();
  output_init();
  arf_init();
  nglob_init();
  glob_init();
  sig_init();
  tty_init();
  debug_init();
  pf_init();
  sysf_init();
  parif_init();
#if defined(UINIT)
  reg_sysf();
#endif
#if defined(THINK_C)
  sprintf(ifname,"asirrc");
#else
  sprintf(ifname,"%s/.asirrc",getenv("HOME"));
#endif
  if ( do_asirrc && (ifp = fopen(ifname,"r")) ) {
    input_init(ifp,ifname);
    if ( !setjmp(asir_infile->jmpbuf) )
      read_eval_loop();
    fclose(ifp);
  } else
    error(".asirrc not found");
  input_init(0,"string");
}

int Call_Asir(char *cmd,pointer *result)
{
  SNODE snode;
  pointer val;
#if defined(PARI)
  void recover(int);

  recover(0);
#  if !(PARI_VERSION_CODE > 131588)
  if ( setjmp(environnement) ) {
    avma = top; recover(1);
    error("PARI error");
  }
#  endif
#endif
  if ( setjmp(env) ) {
    *result = 0;
    return -1;
  }
  parse_strp = cmd;
  if ( mainparse(&snode) ) {
    *result = 0;
    return -1;
  }
  val = evalstat(snode);
  if ( NEXT(asir_infile) ) {
    while ( NEXT(asir_infile) ) {
      if ( mainparse(&snode) ) {
        *result = val;
        return -1;
      }
      nextbp = 0;
      val = evalstat(snode);
    }
  }
  *result = val;
  return 0;
}