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/*

    		 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.

*/

/* sco/cv_fns.c */

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

$Author: release $

$Date: 1998/01/17 15:55:51 $

$Revision: 1.1.1.1 $

$Log: cv_fns.c,v $

 * Revision 1.1.1.1  1998/01/17  15:55:51  release

 * First version to be checked into rolling release.

 *

 * Revision 1.8  1997/04/04  15:15:14  pwe

 * attempt revert sco no diagnose registers

 *

 * Revision 1.7  1997/04/02  10:33:30  pwe

 * diagnose pl_tests

 *

 * Revision 1.6  1997/03/24  12:43:38  pwe

 * outn int->long

 *

 * Revision 1.5  1995/11/30  10:19:51  pwe

 * diag struct struct

 *

 * Revision 1.4  1995/10/30  16:59:16  pwe

 * sco diag line numbers must be >= 1

 *

 * Revision 1.3  1995/03/20  09:23:47  pwe

 * move codeview into sco directory

 *

 * Revision 1.2  1995/01/30  12:57:04  pwe

 * Ownership -> PWE, tidy banners

 *

 * Revision 1.1  1994/07/13  08:32:20  jmf

 * Initial revision

 *

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

#include "config.h"

#include "common_types.h"

#include "basicread.h"

#include "out.h"

#include "machine.h"

#include "cv_types.h"

#include "cv_outtype.h"

#include "expmacs.h"

#include "tags.h"

#include "diag_fns.h"

#include "diagglob.h"

#include "mark_scope.h"

/* VARIABLES */

/* All variables initialised */

static int crt_proc_start;

static int last_line_no;

static char * main_filename;	/* init by diagnose_prelude */

static int filename_space = 0;	/* init by diagnose_prelude */

static long filename_pos;

static int filename_gate = 0;	/* init by diagnose_prelude */

/* PROCEDURES */

static int check_filename

    PROTO_N ( (sm) )

    PROTO_T ( sourcemark sm )

{

  if (main_filename)

    {

      if (!strcmp(main_filename, sm.file->file.ints.chars))

        return 1;

      return 0;

    }

  else

    {

      main_filename = sm.file->file.ints.chars;

      return 1;

    };

}

void out_diagnose_prelude

    PROTO_Z ()

{

  main_filename = (char*)0;

  filename_space = 0;

  filename_gate = 0;

  return;

}

void out_diagnose_postlude

    PROTO_Z ()

{

  return;

}

#ifdef NEWDIAGS

void code_diag_info

    PROTO_N ( (d, proc_no, mcode, args) )

    PROTO_T ( diag_info * d X int proc_no X void (*mcode)(void *) X void * args )

{

  if (d == nildiag) {

    (*mcode)(args);

    return;

  }

  switch (d->key) {

    case DIAG_INFO_SCOPE: {

	fprintf(fpout, " .def .bb; .val .; .scl 100;  .line %d; .endef\n",

           last_line_no);

	code_diag_info (d->more, proc_no, mcode, args);

	fprintf(fpout, " .def .eb; .val .; .scl 100; .line %d; .endef\n",

             last_line_no);

	return;

    }

    case DIAG_INFO_SOURCE: {

	int l = (int)d -> data.source.beg.line_no.nat_val.small_nat -

                       crt_proc_start + 1;

	if (check_filename(d -> data.source.beg) && l != last_line_no) {

	  last_line_no = l;

	  if (l > 0)

	    fprintf(fpout, " .ln %d\n", l);

	}

	code_diag_info (d->more, proc_no, mcode, args);

	return;

    }

    case DIAG_INFO_ID: {

	exp acc = d -> data.id_scope.access;

	ot ty;

	int p, param_dec;

	if (name(acc) != hold_tag && name(acc) != hold2_tag)

	  failer("not hold_tag");

	acc = son(acc);

	if (name(acc) == cont_tag && name(son(acc)) == name_tag && isvar(son(son(acc))))

	  acc = son(acc);

	if ( name(acc) == name_tag && !isdiscarded(acc) && !isglob(son(acc)) ) {

	  p = (no(acc) + no(son(acc))) / 8;

	  param_dec = isparam(son(acc));

	  fprintf(fpout, " .def %s; .val ", d -> data.id_scope.nme.ints.chars);

	  if (param_dec)

	    fprintf(fpout, "%d", p+8);

	  else

	    fprintf(fpout, "%d-.Ldisp%d", p, proc_no);

	  fprintf(fpout, "; .scl %d; ", (param_dec) ? 9 : 1);

	  ty = out_type(d -> data.id_scope.typ, 0);

	  fprintf(fpout, ".type 0%o; .endef\n", ty.type + (ty.modifier<<4));

	}

	code_diag_info (d->more, proc_no, mcode, args);

    }

  };

  return;

}

#else

void output_diag

    PROTO_N ( (d, proc_no, e) )

    PROTO_T ( diag_info * d X int proc_no X exp e )

{

  if (d -> key == DIAG_INFO_SOURCE)

   {

     int l = (int)d -> data.source.beg.line_no.nat_val.small_nat -

                       crt_proc_start + 1;

     if (!check_filename(d -> data.source.beg))

       return;

     if (l == last_line_no)

       return;

     last_line_no = l;

     if (l > 0)

       fprintf(fpout, " .ln %d\n", l);

     return;

   };

  if (d -> key == DIAG_INFO_ID)

   {

     ot ty;

     exp acc = d -> data.id_scope.access;

     int p = (no(acc) + no(son(acc))) / 8;

     int param_dec = isparam(son(acc));

     mark_scope(e);

     if (props(e) & 0x80)

      {

       fprintf(fpout, " .def .bb; .val .; .scl 100;  .line %d; .endef\n",

           last_line_no);

      };

     fprintf(fpout, " .def %s; .val ", d -> data.id_scope.nme.ints.chars);

     if (param_dec)

       fprintf(fpout, "%d", p+8);

     else

       fprintf(fpout, "%d-.Ldisp%d", p, proc_no);

     fprintf(fpout, "; .scl %d; ", (param_dec) ? 9 : 1);

     ty = out_type(d -> data.id_scope.typ, 0);

     fprintf(fpout, ".type 0%o; .endef\n", ty.type + (ty.modifier<<4));

     return;

   };

  return;

}

#endif

void output_end_scope

    PROTO_N ( (d, e) )

    PROTO_T ( diag_info * d X exp e )

{

  if (d -> key == DIAG_INFO_ID && props(e) & 0x80)

    fprintf(fpout, " .def .eb; .val .; .scl 100; .line %d; .endef\n",

             last_line_no);

  return;

}

void diag_val_begin

    PROTO_N ( (d, global, cname, pname) )

    PROTO_T ( diag_global * d X int global X int cname X char * pname )

{

  ot typ;

  outs(" .def ");

  outs(d -> data.id.nme.ints.chars);

  outs("; .val ");

  if (cname == -1) {

    outs (pname);

  }

  else {

    outs(local_prefix);

    outn ((long)cname);

  };

  outs("; .scl ");

  outn((long)(global ? 2 : 3));

  outs("; ");

  typ = out_type(d -> data.id.new_type, 0);

  fprintf(fpout, ".type 0%o; .endef\n", typ.type + (typ.modifier << 4));

  return;

}

void diag_val_end

    PROTO_N ( (d) )

    PROTO_T ( diag_global * d )

{

  UNUSED(d);

  return;

}

void diag_proc_begin

    PROTO_N ( (d, global, cname, pname) )

    PROTO_T ( diag_global * d X int global X int cname X char * pname )

{

  ot typ;

  UNUSED(cname);

  if (!d)

    return;

  check_filename(d -> data.id.whence);

  outs(" .def ");

  outs(d -> data.id.nme.ints.chars);

  outs("; .val ");

  outs(pname);

  outs("; .scl ");

  outn((long)(global ? 2 : 3));

  outs("; ");

  typ = out_type(d -> data.id.new_type->data.proc.result_type, 0);

  fprintf(fpout, ".type 0%o; .endef\n",

           typ.type + (typ.modifier << 6) + 32);

  crt_proc_start = d -> data.id.whence.line_no.nat_val.small_nat;

  last_line_no = 1;

  fprintf(fpout, " .def .bf; .val .; .scl 101; .line %d; .endef\n",

            crt_proc_start);

  fprintf(fpout, " .ln 1\n");

  return;

}

void diag_proc_end

    PROTO_N ( (d) )

    PROTO_T ( diag_global * d )

{

  if (!d)

    return;

  fprintf(fpout, " .def .ef; .val .; .scl 101; .line %d; .endef\n",

            last_line_no + 1);

  fprintf(fpout, " .def %s; .val .; .scl -1; .endef\n",

            d -> data.id.nme.ints.chars);

  return;

}

void OUTPUT_GLOBALS_TAB

    PROTO_Z ()

{

  diag_descriptor *di = unit_diagvar_tab.array;

  int n = unit_diagvar_tab.lastused;

  int i;

  ot typ;

  for (i=0; i<n; i++)

   {

     if ( di[i].key == DIAG_TYPEDEF_KEY )

      {

	fprintf (fpout, " .def %s; .scl 13; ", di[i].data.typ.nme.ints.chars);

	typ = out_type (di[i].data.typ.new_type, 0);

	fprintf(fpout, ".type 0%o; .endef\n", typ.type + (typ.modifier << 4));

      };

   };

  return;

}

void OUTPUT_DIAG_TAGS

    PROTO_Z ()

{

  diag_tagdef ** di = unit_ind_diagtags;

  int n = unit_no_of_diagtags;

  int i;

  if (!filename_space)

   {

     filename_pos = ftell(fpout);

     outs ("                                                                                                                      ");

     outnl ();

     filename_space = 1;

   };

  for (i=0; i<n; ++i)

   {

     diag_type d = di[i]->d_type;

     switch (d -> key)

      {

        case DIAG_TYPE_STRUCT:

        case DIAG_TYPE_UNION:

        case DIAG_TYPE_ENUM:

            out_tagged(d);

            break;

        default: break;

      };

   };

  return;

}

void INSPECT_FILENAME

    PROTO_N ( (fn) )

    PROTO_T ( filename fn )

{

  long here;

  char * nm = fn -> file.ints.chars;

  char * f;

  int len = (int)strlen(fn -> file.ints.chars);

  if (filename_gate || len < 4 || len > 120 || nm[len-1] == 'h' ||

           nm[len-2] != '.')

    return;

  f = &nm[len-2];

  while (f != nm && f[-1] != '/')

    --f;

  filename_gate = 1;

  if (!filename_space)

    fprintf(fpout, " .file \"%s\"\n", f);

  else

   {

      here = ftell(fpout);

      fseek (fpout, filename_pos, 0);

      fprintf(fpout, " .file \"%s\"\n", f);

      fseek(fpout, here, 0);

   };

  return;

}