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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.

*/

/* 80x86/spec_tok.c */

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

$Author: release $

$Date: 1998/01/17 15:55:52 $

$Revision: 1.1.1.1 $

$Log: spec_tok.c,v $

 * Revision 1.1.1.1  1998/01/17  15:55:52  release

 * First version to be checked into rolling release.

 *

 * Revision 1.9  1997/10/10  18:25:29  pwe

 * prep ANDF-DE revision

 *

 * Revision 1.8  1997/08/23  13:45:42  pwe

 * initial ANDF-DE

 *

 * Revision 1.7  1997/03/20  16:24:07  pwe

 * dwarf2

 *

 * Revision 1.6  1997/02/18  11:43:08  pwe

 * NEWDIAGS for debugging optimised code

 *

 * Revision 1.5  1996/12/13  14:39:33  pwe

 * prep NEWDIAGS

 *

 * Revision 1.4  1996/12/10  15:11:52  pwe

 * prep NEWDIAGS

 *

 * Revision 1.3  1996/10/29  14:04:49  pwe

 * remove inbuilt C promote etc, for inclusion of long long

 *

 * Revision 1.2  1995/01/30  12:56:52  pwe

 * Ownership -> PWE, tidy banners

 *

 * Revision 1.1  1994/10/27  14:15:22  jmf

 * Initial revision

 *

 * Revision 1.1  1994/07/12  14:41:50  jmf

 * Initial revision

 *

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

#include "config.h"

#include "common_types.h"

#include "basicread.h"

#include "tags.h"

#include "exp.h"

#include "expmacs.h"

#include "diag_fns.h"

#include "flags.h"

#include "check.h"

#include "me_fns.h"

#include "externs.h"

#include "installglob.h"

#include "messages_r.h"

#include "main_reads.h"

#include "install_fns.h"

#include "c_arith_type.h"

#include "natmacs.h"

#include "spec_tok.h"

#include "dg_fns.h"

/* intercepts specially defined tokens */

tokval special_token

(token t, bitstream pars, int sortcode, int * done)

{

  tokval tkv;

  UNUSED(sortcode);

  if (t -> tok_name == (char*)0) {

    SET(tkv); /* call looks at done to see if result is meaningful */

    return tkv;

  };

  if (!strcmp(t -> tok_name, "JMFprofile")) {

      nat n;

      place old_place;

      old_place = keep_place();

      set_place(pars);

      n = d_nat();

      set_place(old_place);

      tkv.tk_exp = f_profile(n);

      *done = 1;

      return tkv;

  };

  if (!strcmp(t -> tok_name, "JMFinline")) {

      exp s;

      place old_place;

      old_place = keep_place();

      set_place(pars);

      IGNORE d_shape();

      s = d_exp();

      if (name(s) == apply_tag)

	settoinline(s);

      if (name(s) == ident_tag && name(son(s)) == clear_tag &&

		name(bro(son(s))) == seq_tag &&

		name(son(son(bro(son(s))))) == apply_tag)

	settoinline(son(son(bro(son(s)))));

      s = hold_check(s);

      set_place(old_place);

      tkv.tk_exp = s;

      *done = 1;

      return tkv;

  };

  if (!strcmp(t -> tok_name, "~div")) {

      exp arg1, arg2;

      place old_place;

      old_place = keep_place();

      set_place(pars);

      arg1 = hold_check(d_exp());

      arg2 = hold_check(d_exp());

      set_place(old_place);

      tkv.tk_exp = me_b2(arg1, arg2, div0_tag);

      *done = 1;

      return tkv;

  };

  if (!strcmp(t -> tok_name, "~rem")) {

      exp arg1, arg2;

      place old_place;

      old_place = keep_place();

      set_place(pars);

      arg1 = hold_check(d_exp());

      arg2 = hold_check(d_exp());

      set_place(old_place);

      tkv.tk_exp = me_b2(arg1, arg2, rem0_tag);

      *done = 1;

      return tkv;

  };

#ifdef INBUILT_PROMOTE

  if (!strcmp(t -> tok_name, "~arith_type")) {

    int a, b;

    place old_place;

    signed_nat sn;

    old_place = keep_place();

    set_place(pars);

    sn = d_signed_nat();

    a = snatint(sn);

    sn = d_signed_nat();

    b = snatint(sn);

    set_place(old_place);

    snatint(sn) = arith_type(a, b);

    tkv.tk_signed_nat = sn;

    *done = 1;

    return tkv;

  };

  if (!strcmp(t -> tok_name, "~promote")) {

    int a;

    place old_place;

    signed_nat sn;

    old_place = keep_place();

    set_place(pars);

    sn = d_signed_nat();

    a = snatint(sn);

    set_place(old_place);

    snatint(sn) = promote(a);

    tkv.tk_signed_nat = sn;

    *done = 1;

    return tkv;

  };

  if (!strcmp(t -> tok_name, "~sign_promote")) {

    int a;

    place old_place;

    signed_nat sn;

    old_place = keep_place();

    set_place(pars);

    sn = d_signed_nat();

    a = snatint(sn);

    set_place(old_place);

    snatint(sn) = sign_promote(a);

    tkv.tk_signed_nat = sn;

    *done = 1;

    return tkv;

  };

  if (!strcmp(t -> tok_name, "~convert")) {

    int a;

    place old_place;

    signed_nat sn;

    old_place = keep_place();

    set_place(pars);

    sn = d_signed_nat();

    a = snatint(sn);

    set_place(old_place);

    tkv.tk_variety = convert((unsigned)a);

    *done = 1;

    return tkv;

  };

#endif

  if (!strcmp(t -> tok_name, "~alloca")) {

      exp arg1;

      place old_place;

      old_place = keep_place();

      set_place(pars);

      arg1 = hold_check(d_exp());

      set_place(old_place);

      tkv.tk_exp = hold_check(me_u3(f_pointer(long_to_al(8)),

			   arg1, alloca_tag));

      *done = 1;

      has_alloca = 1;

      return tkv;

  };

  if (!strcmp(t -> tok_name, "~exp_to_source") ||

      !strcmp(t -> tok_name, "~diag_id_scope") ||

      !strcmp(t -> tok_name, "~diag_type_scope") ||

      !strcmp(t -> tok_name, "~diag_tag_scope")

#ifdef NEWDIAGS

	|| !strcmp(t -> tok_name, "~dg_exp")

#endif

    ) {

      place old_place;

      old_place = keep_place();

      set_place(pars);

      tkv.tk_exp = hold_check(d_exp());

      *done = 1;

      if (!diagnose)

        {

          set_place(old_place);

          return tkv;

        };

     if (!strcmp(t -> tok_name, "~exp_to_source"))

       {

#ifdef NEWDIAGS

	tkv.tk_exp = read_exp_to_source(tkv.tk_exp);

#else

        diag_info * di = read_exp_to_source();

        exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,

                   1, 0, diagnose_tag);

        setfather(r, tkv.tk_exp);

        dno(r) = di;

        tkv.tk_exp = r;

	crt_lno = natint(di -> data.source.end.line_no);

	crt_charno = natint(di -> data.source.end.char_off);

	crt_flnm = di -> data.source.beg.file->file.ints.chars;

#endif

        set_place(old_place);

        return tkv;

       };

     if (!strcmp(t -> tok_name, "~diag_id_scope"))

       {

#ifdef NEWDIAGS

        tkv.tk_exp = read_diag_id_scope(tkv.tk_exp);

#else

        diag_info * di = read_diag_id_scope();

        exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,

                   2, 0, diagnose_tag);

        setfather(r, tkv.tk_exp);

        dno(r) = di;

        tkv.tk_exp = r;

#endif

        set_place(old_place);

        return tkv;

       };

     if (!strcmp(t -> tok_name, "~diag_type_scope"))

       {

#ifdef NEWDIAGS

        tkv.tk_exp = read_diag_type_scope(tkv.tk_exp);

#else

        diag_info * di = read_diag_type_scope();

        exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,

                   3, 0, diagnose_tag);

        setfather(r, tkv.tk_exp);

        dno(r) = di;

        tkv.tk_exp = r;

#endif

        set_place(old_place);

        return tkv;

       };

     if (!strcmp(t -> tok_name, "~diag_tag_scope"))

       {

#ifndef NEWDIAGS

        diag_info * di = read_diag_tag_scope();

        exp r = getexp(sh(tkv.tk_exp), nilexp, 0, tkv.tk_exp, nilexp,

                   4, 0, diagnose_tag);

        setfather(r, tkv.tk_exp);

        dno(r) = di;

        tkv.tk_exp = r;

#endif

        set_place(old_place);

        return tkv;

       };

#ifdef NEWDIAGS

     if (!strcmp(t -> tok_name, "~dg_exp"))

       {

        tkv.tk_exp = read_dg_exp(tkv.tk_exp);

        set_place(old_place);

        return tkv;

       };

#endif

  };

  if (!strncmp(t -> tok_name, "~asm", 4)) {

    int prp;

    exp arg1;

    place old_place;

    old_place = keep_place();

    if (!strcmp(t -> tok_name, "~asm")) {

      set_place(pars);

      arg1 = hold_check(f_make_nof_int(ucharsh, d_string()));

      prp = 1;

    }

    else {

      if (!strcmp(t -> tok_name, "~asm_sequence"))

	prp = 0;

      else

      if (!strcmp(t -> tok_name, "~asm_exp_input"))

	prp = 2;

      else

      if (!strcmp(t -> tok_name, "~asm_exp_output"))

	prp = 4;

      else

      if (!strcmp(t -> tok_name, "~asm_exp_address"))

	prp = 8;

      else

	return tkv;

      set_place(pars);

      arg1 = hold_check(d_exp());

    }

    set_place(old_place);

    tkv.tk_exp = getexp(f_top, nilexp, 0, arg1, nilexp, prp, 0, asm_tag);

    setfather(tkv.tk_exp, arg1);

    *done = 1;

    return tkv;

  }

  SET(tkv); /* call looks at done to see if result is meaningful */

  return tkv;

}