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/*

 * Copyright (c) 2002-2005 The TenDRA Project <http://www.tendra.org/>.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 *    this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 * 3. Neither the name of The TenDRA Project nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific, prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS

 * IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * $Id$

 */

/*

    		 Crown Copyright (c) 1997

    This TenDRA(r) Computer Program is subject to Copyright

    owned by the United Kingdom Secretary of State for Defence

    acting through the Defence Evaluation and Research Agency

    (DERA).  It is made available to Recipients with a

    royalty-free licence for its use, reproduction, transfer

    to other parties and amendment for any purpose not excluding

    product development provided that any such use et cetera

    shall be deemed to be acceptance of the following conditions:-

        (1) Its Recipients shall ensure that this Notice is

        reproduced upon any copies or amended versions of it;

        (2) Any amended version of it shall be clearly marked to

        show both the nature of and the organisation responsible

        for the relevant amendment or amendments;

        (3) Its onward transfer from a recipient to another

        party shall be deemed to be that party's acceptance of

        these conditions;

        (4) DERA gives no warranty or assurance as to its

        quality or suitability for any purpose and DERA accepts

        no liability whatsoever in relation to any use to which

        it may be put.

*/

/*********************************************************************

                     main.c

   This is the main routine.

    It constructs .G (binasm) and .T (symbol table) files from the input .t

    files. If -S is given it will also construct a .s (assembler) file in as_file.

 *********************************************************************/

#include "config.h"

#include "version.h"

#include "common_types.h"

#include "basicread.h"

#include "flags.h"

#include "main_reads.h"

#include "flpt.h"

#include "externs.h"

#include "installglob.h"

#include "machine.h"

#include "exp.h"

#include "dump_distr.h"

#include "construct_v.h"

#include "reader_v.h"

extern void output_symtab(char*);

void out_rename

(char * oldid, char * newid)

{

	/* ??? this may be wrong with diagnostics */

	return;

}

extern int good_trans;

bool do_extern_adds;

FILE * as_file;

FILE * ba_file;

int   majorno = 3;

int   minorno = 18;

long  currentfile = -1;		/* our source fileno 0.. */

long  mainfile = 0;		/* would be best if it  actually contained

				   main ! */

bool BIGEND = (little_end == 0);

bool do_tlrecursion = 0;

bool opt

(char c)

{ if (c == '0' || c == 0) return 0;

  else return 1;

}

int   main

(int argc, char **argv)

{

  long  i;

  char *nm;

  char *aname;

  char *dname;

  bool withs = 0;

  bool no_opts = 0;

  bool override_diags = 0;

  PIC_code = 1;

  as_file = (FILE *)0;

  do_inlining = 1;

  redo_structfns = 1;

  do_unroll = 1;

  do_foralls = 1;

  do_alloca = 0;

  do_extern_adds = 0;

  for (i = 1; argv[i][0] == '-'; ++i) {/* read flags */

    char *s = argv[i];

    switch (s[1]) {

      case 'A':

	if ((do_alloca = opt(s[2]))/*I mean it */ && PIC_code) {

		failer("Can't do inline alloca with PIC code at the moment");

		exit(EXIT_FAILURE);

	}

	break;

      case 'B':

	do_foralls = opt(s[2]);

	break;

      case 'C':

	do_loopconsts = opt(s[2]);

	break;

      case 'D':

	if (!opt(s[2])) {failer("Only PIC code available");

		exit(EXIT_FAILURE);

	}

	break;

      case 'E':

        extra_checks = 0;

        break;

      case 'e':

	do_extern_adds = opt(s[2]);

	break;

      case 'F':

        do_foralls = opt(s[2]);

        break;

      case '-':

      	override_diags = 1;

      	break;

      case 'H':

	diagnose = 1;

	do_alloca = 0; /* dbx does not understand variable frame sizes */

	break;

      case 'I':

	do_inlining = opt(s[2]);

        break;

      case 'K':

	/* only MIPS ultrix */

	break;

      case 'M':

	strict_fl_div = (opt(s[2]) == 0);

	break;

      case 'P':

	do_profile = 1;

	break;

      case 'Q':

	exit(EXIT_FAILURE);

      case 'R':

	round_after_flop = opt(s[2]);

	break;

      case 'S':

	withs =1;

	break;

      case 'U':

        do_unroll = opt(s[2]);

        break;

      case 'V': {

		int   ind = 2;

		int maj = 0;

		minorno = 0;

		for (;; ind++) {

		  char  si = s[ind];

		  if (si != ' ') {

		    if (si >= '0' && si <= '9') {

		      maj = maj * 10 + si - '0';

		    }

		    else

		      break;

		  }

		}

		if (s[ind]!= '.') {

		  fprintf(stderr,

                "DRA TDF Mips BIGEND (as:3.x) translator %d.%d (TDF version %d.%d): 30th June 1994\n",

                 mipstrans_version,mipstrans_revision,MAJOR_VERSION, MINOR_VERSION);

                 fprintf(stderr, "reader %d.%d: ", reader_version,

		 reader_revision);

	         fprintf(stderr, "construct %d.%d: \n", construct_version,

		 construct_revision);

        	 break;

		}

		majorno = maj;

		minorno = 0;

		for (ind++;; ind++) {

		  char  si = s[ind];

		  if (si >= '0' && si <= '9') {

		    minorno = minorno * 10 + si - '0';

		  }

		  else

		    break;

		}

	      }

      case 'W':

        writable_strings = opt(s[2]);

        break;

      case 'X':

        no_opts = 1;

        break;

      case 'd':

        do_dump_opt = 0;

        break;

      case 'l':

        do_tlrecursion = opt(s[2]);

        break;

      case 'Z': /* prints on stderr the versions of all the capsules

                   from which this capsule was made */

        report_versions = 1;

        break;

      default:

	failer("Illegal flag");

	break;

    };

  };

  if (override_diags)diagnose = 0;

  if (diagnose || no_opts) {		/* line numbering goes to hell with

				   optimisations */

        do_inlining = 0;

        do_loopconsts = 0;

        do_foralls = 0;

        do_dump_opt = 0;

        do_unroll = 0;

	do_tlrecursion = 0;

  };

  if (withs) {			/* requires assembler text */

    aname = argv[argc - 1];

    as_file = fopen(aname, "w");

    if (as_file == (FILE *)0) {

      failer("can't find .s file");

      return 1;

    }

    argc--;

  }

  dname = argv[argc - 1];	/* the .T file */

  nm = argv[argc - 2];		/* the .G file */

  ba_file = fopen(nm, "w");

  if (ba_file == (FILE *)0) {

    printf("install: can't open output file %s\n", nm);

    return(1);

  }

  if (!initreader(argv[argc - 3])) {

    failer("cant read .t file");

    return(1);

  };

  init_flpt();

#include "inits.h"

  top_def = (dec*)0;

  local_prefix = "$$";

  name_prefix = "";

  d_capsule();

  if (as_file)

    fclose (as_file);		/* close the .s file */

  fclose (ba_file);		/* close the .G file */

  output_symtab (dname);	/* construct the .T file */

  return (good_trans);		/* return 1 for error, 0 for good */

}