[binutils.git] / gdb / m2-lang.c

/* Modula 2 language support routines for GDB, the GNU debugger.
   Copyright 1992 Free Software Foundation, Inc.

This file is part of GDB.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "expression.h"
#include "parser-defs.h"
#include "language.h"
#include "m2-lang.h"
#include "c-lang.h"

/* Print the character C on STREAM as part of the contents of a literal
   string whose delimiter is QUOTER.  Note that that format for printing
   characters and strings is language specific.
   FIXME:  This is a copy of the same function from c-exp.y.  It should
   be replaced with a true Modula version.
 */

static void
emit_char (c, stream, quoter)
     register int c;
     GDB_FILE *stream;
     int quoter;
{

  c &= 0xFF;			/* Avoid sign bit follies */

  if (PRINT_LITERAL_FORM (c))
    {
      if (c == '\\' || c == quoter)
	{
	  fputs_filtered ("\\", stream);
	}
      fprintf_filtered (stream, "%c", c);
    }
  else
    {
      switch (c)
	{
	case '\n':
	  fputs_filtered ("\\n", stream);
	  break;
	case '\b':
	  fputs_filtered ("\\b", stream);
	  break;
	case '\t':
	  fputs_filtered ("\\t", stream);
	  break;
	case '\f':
	  fputs_filtered ("\\f", stream);
	  break;
	case '\r':
	  fputs_filtered ("\\r", stream);
	  break;
	case '\033':
	  fputs_filtered ("\\e", stream);
	  break;
	case '\007':
	  fputs_filtered ("\\a", stream);
	  break;
	default:
	  fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
	  break;
	}
    }
}

/* FIXME:  This is a copy of the same function from c-exp.y.  It should
   be replaced with a true Modula version. */

static void
m2_printchar (c, stream)
     int c;
     GDB_FILE *stream;
{
  fputs_filtered ("'", stream);
  emit_char (c, stream, '\'');
  fputs_filtered ("'", stream);
}

/* Print the character string STRING, printing at most LENGTH characters.
   Printing stops early if the number hits print_max; repeat counts
   are printed as appropriate.  Print ellipses at the end if we
   had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
   FIXME:  This is a copy of the same function from c-exp.y.  It should
   be replaced with a true Modula version. */

static void
m2_printstr (stream, string, length, force_ellipses)
     GDB_FILE *stream;
     char *string;
     unsigned int length;
     int force_ellipses;
{
  register unsigned int i;
  unsigned int things_printed = 0;
  int in_quotes = 0;
  int need_comma = 0;
  extern int inspect_it;
  extern int repeat_count_threshold;
  extern int print_max;

  if (length == 0)
    {
      fputs_filtered ("\"\"", gdb_stdout);
      return;
    }

  for (i = 0; i < length && things_printed < print_max; ++i)
    {
      /* Position of the character we are examining
	 to see whether it is repeated.  */
      unsigned int rep1;
      /* Number of repetitions we have detected so far.  */
      unsigned int reps;

      QUIT;

      if (need_comma)
	{
	  fputs_filtered (", ", stream);
	  need_comma = 0;
	}

      rep1 = i + 1;
      reps = 1;
      while (rep1 < length && string[rep1] == string[i])
	{
	  ++rep1;
	  ++reps;
	}

      if (reps > repeat_count_threshold)
	{
	  if (in_quotes)
	    {
	      if (inspect_it)
		fputs_filtered ("\\\", ", stream);
	      else
		fputs_filtered ("\", ", stream);
	      in_quotes = 0;
	    }
	  m2_printchar (string[i], stream);
	  fprintf_filtered (stream, " <repeats %u times>", reps);
	  i = rep1 - 1;
	  things_printed += repeat_count_threshold;
	  need_comma = 1;
	}
      else
	{
	  if (!in_quotes)
	    {
	      if (inspect_it)
		fputs_filtered ("\\\"", stream);
	      else
		fputs_filtered ("\"", stream);
	      in_quotes = 1;
	    }
	  emit_char (string[i], stream, '"');
	  ++things_printed;
	}
    }

  /* Terminate the quotes if necessary.  */
  if (in_quotes)
    {
      if (inspect_it)
	fputs_filtered ("\\\"", stream);
      else
	fputs_filtered ("\"", stream);
    }

  if (force_ellipses || i < length)
    fputs_filtered ("...", stream);
}

/* FIXME:  This is a copy of c_create_fundamental_type(), before
   all the non-C types were stripped from it.  Needs to be fixed
   by an experienced Modula programmer. */

static struct type *
m2_create_fundamental_type (objfile, typeid)
     struct objfile *objfile;
     int typeid;
{
  register struct type *type = NULL;

  switch (typeid)
    {
      default:
	/* FIXME:  For now, if we are asked to produce a type not in this
	   language, create the equivalent of a C integer type with the
	   name "<?type?>".  When all the dust settles from the type
	   reconstruction work, this should probably become an error. */
	type = init_type (TYPE_CODE_INT,
			  TARGET_INT_BIT / TARGET_CHAR_BIT,
			  0, "<?type?>", objfile);
        warning ("internal error: no Modula fundamental type %d", typeid);
	break;
      case FT_VOID:
	type = init_type (TYPE_CODE_VOID,
			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
			  0, "void", objfile);
	break;
      case FT_BOOLEAN:
	type = init_type (TYPE_CODE_BOOL,
			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
			  TYPE_FLAG_UNSIGNED, "boolean", objfile);
	break;
      case FT_STRING:
	type = init_type (TYPE_CODE_STRING,
			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
			  0, "string", objfile);
	break;
      case FT_CHAR:
	type = init_type (TYPE_CODE_INT,
			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
			  0, "char", objfile);
	break;
      case FT_SIGNED_CHAR:
	type = init_type (TYPE_CODE_INT,
			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
			  0, "signed char", objfile);
	break;
      case FT_UNSIGNED_CHAR:
	type = init_type (TYPE_CODE_INT,
			  TARGET_CHAR_BIT / TARGET_CHAR_BIT,
			  TYPE_FLAG_UNSIGNED, "unsigned char", objfile);
	break;
      case FT_SHORT:
	type = init_type (TYPE_CODE_INT,
			  TARGET_SHORT_BIT / TARGET_CHAR_BIT,
			  0, "short", objfile);
	break;
      case FT_SIGNED_SHORT:
	type = init_type (TYPE_CODE_INT,
			  TARGET_SHORT_BIT / TARGET_CHAR_BIT,
			  0, "short", objfile);	/* FIXME-fnf */
	break;
      case FT_UNSIGNED_SHORT:
	type = init_type (TYPE_CODE_INT,
			  TARGET_SHORT_BIT / TARGET_CHAR_BIT,
			  TYPE_FLAG_UNSIGNED, "unsigned short", objfile);
	break;
      case FT_INTEGER:
	type = init_type (TYPE_CODE_INT,
			  TARGET_INT_BIT / TARGET_CHAR_BIT,
			  0, "int", objfile);
	break;
      case FT_SIGNED_INTEGER:
	type = init_type (TYPE_CODE_INT,
			  TARGET_INT_BIT / TARGET_CHAR_BIT,
			  0, "int", objfile); /* FIXME -fnf */
	break;
      case FT_UNSIGNED_INTEGER:
	type = init_type (TYPE_CODE_INT,
			  TARGET_INT_BIT / TARGET_CHAR_BIT,
			  TYPE_FLAG_UNSIGNED, "unsigned int", objfile);
	break;
      case FT_FIXED_DECIMAL:
	type = init_type (TYPE_CODE_INT,
			  TARGET_INT_BIT / TARGET_CHAR_BIT,
			  0, "fixed decimal", objfile);
	break;
      case FT_LONG:
	type = init_type (TYPE_CODE_INT,
			  TARGET_LONG_BIT / TARGET_CHAR_BIT,
			  0, "long", objfile);
	break;
      case FT_SIGNED_LONG:
	type = init_type (TYPE_CODE_INT,
			  TARGET_LONG_BIT / TARGET_CHAR_BIT,
			  0, "long", objfile); /* FIXME -fnf */
	break;
      case FT_UNSIGNED_LONG:
	type = init_type (TYPE_CODE_INT,
			  TARGET_LONG_BIT / TARGET_CHAR_BIT,
			  TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
	break;
      case FT_LONG_LONG:
	type = init_type (TYPE_CODE_INT,
			  TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
			  0, "long long", objfile);
	break;
      case FT_SIGNED_LONG_LONG:
	type = init_type (TYPE_CODE_INT,
			  TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
			  0, "signed long long", objfile);
	break;
      case FT_UNSIGNED_LONG_LONG:
	type = init_type (TYPE_CODE_INT,
			  TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
			  TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
	break;
      case FT_FLOAT:
	type = init_type (TYPE_CODE_FLT,
			  TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
			  0, "float", objfile);
	break;
      case FT_DBL_PREC_FLOAT:
	type = init_type (TYPE_CODE_FLT,
			  TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
			  0, "double", objfile);
	break;
      case FT_FLOAT_DECIMAL:
	type = init_type (TYPE_CODE_FLT,
			  TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
			  0, "floating decimal", objfile);
	break;
      case FT_EXT_PREC_FLOAT:
	type = init_type (TYPE_CODE_FLT,
			  TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
			  0, "long double", objfile);
	break;
      case FT_COMPLEX:
	type = init_type (TYPE_CODE_FLT,
			  TARGET_COMPLEX_BIT / TARGET_CHAR_BIT,
			  0, "complex", objfile);
	break;
      case FT_DBL_PREC_COMPLEX:
	type = init_type (TYPE_CODE_FLT,
			  TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT,
			  0, "double complex", objfile);
	break;
      case FT_EXT_PREC_COMPLEX:
	type = init_type (TYPE_CODE_FLT,
			  TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT,
			  0, "long double complex", objfile);
	break;
      }
  return (type);
}

\f
/* Table of operators and their precedences for printing expressions.  */

static const struct op_print m2_op_print_tab[] = {
    {"+",   BINOP_ADD, PREC_ADD, 0},
    {"+",   UNOP_PLUS, PREC_PREFIX, 0},
    {"-",   BINOP_SUB, PREC_ADD, 0},
    {"-",   UNOP_NEG, PREC_PREFIX, 0},
    {"*",   BINOP_MUL, PREC_MUL, 0},
    {"/",   BINOP_DIV, PREC_MUL, 0},
    {"DIV", BINOP_INTDIV, PREC_MUL, 0},
    {"MOD", BINOP_REM, PREC_MUL, 0},
    {":=",  BINOP_ASSIGN, PREC_ASSIGN, 1},
    {"OR",  BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
    {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
    {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
    {"=",   BINOP_EQUAL, PREC_EQUAL, 0},
    {"<>",  BINOP_NOTEQUAL, PREC_EQUAL, 0},
    {"<=",  BINOP_LEQ, PREC_ORDER, 0},
    {">=",  BINOP_GEQ, PREC_ORDER, 0},
    {">",   BINOP_GTR, PREC_ORDER, 0},
    {"<",   BINOP_LESS, PREC_ORDER, 0},
    {"^",   UNOP_IND, PREC_PREFIX, 0},
    {"@",   BINOP_REPEAT, PREC_REPEAT, 0},
    {NULL,  0, 0, 0}
};
\f
/* The built-in types of Modula-2.  */

struct type *builtin_type_m2_char;
struct type *builtin_type_m2_int;
struct type *builtin_type_m2_card;
struct type *builtin_type_m2_real;
struct type *builtin_type_m2_bool;

struct type ** const (m2_builtin_types[]) = 
{
  &builtin_type_m2_char,
  &builtin_type_m2_int,
  &builtin_type_m2_card,
  &builtin_type_m2_real,
  &builtin_type_m2_bool,
  0
};

const struct language_defn m2_language_defn = {
  "modula-2",
  language_m2,
  m2_builtin_types,
  range_check_on,
  type_check_on,
  m2_parse,			/* parser */
  m2_error,			/* parser error function */
  m2_printchar,			/* Print character constant */
  m2_printstr,			/* function to print string constant */
  m2_create_fundamental_type,	/* Create fundamental type in this language */
  m2_print_type,		/* Print a type using appropriate syntax */
  m2_val_print,			/* Print a value using appropriate syntax */
  c_value_print,		/* Print a top-level value */
  &builtin_type_m2_real,	/* longest floating point type */
  {"",      "",   "",   ""},	/* Binary format info */
  {"%loB",   "",   "o",  "B"},	/* Octal format info */
  {"%ld",    "",   "d",  ""},	/* Decimal format info */
  {"0%lXH",  "0",  "X",  "H"},	/* Hex format info */
  m2_op_print_tab,		/* expression operators for printing */
  LANG_MAGIC
};

/* Initialization for Modula-2 */

void
_initialize_m2_language ()
{
  /* Modula-2 "pervasive" types.  NOTE:  these can be redefined!!! */
  builtin_type_m2_int =
    init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
	       0,
	       "INTEGER", (struct objfile *) NULL);
  builtin_type_m2_card =
    init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
	       TYPE_FLAG_UNSIGNED,
	       "CARDINAL", (struct objfile *) NULL);
  builtin_type_m2_real =
    init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
	       0,
	       "REAL", (struct objfile *) NULL);
  builtin_type_m2_char =
    init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
	       TYPE_FLAG_UNSIGNED,
	       "CHAR", (struct objfile *) NULL);
  builtin_type_m2_bool =
    init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT,
	       TYPE_FLAG_UNSIGNED,
	       "BOOLEAN", (struct objfile *) NULL);

  add_language (&m2_language_defn);
}
Commit	Line	Data
22e39759 FF	1	/* Modula 2 language support routines for GDB, the GNU debugger.
	2	Copyright 1992 Free Software Foundation, Inc.
	3
	4	This file is part of GDB.
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	19
	20	#include "defs.h"
	21	#include "symtab.h"
	22	#include "gdbtypes.h"
	23	#include "expression.h"
	24	#include "parser-defs.h"
	25	#include "language.h"
	26	#include "m2-lang.h"
e10cfcaa	27	#include "c-lang.h"
22e39759 FF	28
	29	/* Print the character C on STREAM as part of the contents of a literal
	30	string whose delimiter is QUOTER. Note that that format for printing
	31	characters and strings is language specific.
	32	FIXME: This is a copy of the same function from c-exp.y. It should
	33	be replaced with a true Modula version.
	34	*/
	35
	36	static void
	37	emit_char (c, stream, quoter)
	38	register int c;
199b2450	39	GDB_FILE *stream;
22e39759 FF	40	int quoter;
	41	{
	42
	43	c &= 0xFF; /* Avoid sign bit follies */
	44
	45	if (PRINT_LITERAL_FORM (c))
	46	{
	47	if (c == '\\' \|\| c == quoter)
	48	{
	49	fputs_filtered ("\\", stream);
	50	}
	51	fprintf_filtered (stream, "%c", c);
	52	}
	53	else
	54	{
	55	switch (c)
	56	{
	57	case '\n':
	58	fputs_filtered ("\\n", stream);
	59	break;
	60	case '\b':
	61	fputs_filtered ("\\b", stream);
	62	break;
	63	case '\t':
	64	fputs_filtered ("\\t", stream);
	65	break;
	66	case '\f':
	67	fputs_filtered ("\\f", stream);
	68	break;
	69	case '\r':
	70	fputs_filtered ("\\r", stream);
	71	break;
	72	case '\033':
	73	fputs_filtered ("\\e", stream);
	74	break;
	75	case '\007':
	76	fputs_filtered ("\\a", stream);
	77	break;
	78	default:
	79	fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
	80	break;
	81	}
	82	}
	83	}
	84
	85	/* FIXME: This is a copy of the same function from c-exp.y. It should
	86	be replaced with a true Modula version. */
	87
	88	static void
	89	m2_printchar (c, stream)
	90	int c;
199b2450	91	GDB_FILE *stream;
22e39759 FF	92	{
	93	fputs_filtered ("'", stream);
	94	emit_char (c, stream, '\'');
	95	fputs_filtered ("'", stream);
	96	}
	97
	98	/* Print the character string STRING, printing at most LENGTH characters.
	99	Printing stops early if the number hits print_max; repeat counts
	100	are printed as appropriate. Print ellipses at the end if we
	101	had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
	102	FIXME: This is a copy of the same function from c-exp.y. It should
	103	be replaced with a true Modula version. */
	104
	105	static void
	106	m2_printstr (stream, string, length, force_ellipses)
199b2450	107	GDB_FILE *stream;
22e39759 FF	108	char *string;
	109	unsigned int length;
	110	int force_ellipses;
	111	{
	112	register unsigned int i;
	113	unsigned int things_printed = 0;
	114	int in_quotes = 0;
	115	int need_comma = 0;
	116	extern int inspect_it;
	117	extern int repeat_count_threshold;
	118	extern int print_max;
	119
	120	if (length == 0)
	121	{
199b2450	122	fputs_filtered ("\"\"", gdb_stdout);
22e39759 FF	123	return;
	124	}
	125
	126	for (i = 0; i < length && things_printed < print_max; ++i)
	127	{
	128	/* Position of the character we are examining
	129	to see whether it is repeated. */
	130	unsigned int rep1;
	131	/* Number of repetitions we have detected so far. */
	132	unsigned int reps;
	133
	134	QUIT;
	135
	136	if (need_comma)
	137	{
	138	fputs_filtered (", ", stream);
	139	need_comma = 0;
	140	}
	141
	142	rep1 = i + 1;
	143	reps = 1;
	144	while (rep1 < length && string[rep1] == string[i])
	145	{
	146	++rep1;
	147	++reps;
	148	}
	149
	150	if (reps > repeat_count_threshold)
	151	{
	152	if (in_quotes)
	153	{
	154	if (inspect_it)
	155	fputs_filtered ("\\\", ", stream);
	156	else
	157	fputs_filtered ("\", ", stream);
	158	in_quotes = 0;
	159	}
	160	m2_printchar (string[i], stream);
	161	fprintf_filtered (stream, " <repeats %u times>", reps);
	162	i = rep1 - 1;
	163	things_printed += repeat_count_threshold;
	164	need_comma = 1;
	165	}
	166	else
	167	{
	168	if (!in_quotes)
	169	{
	170	if (inspect_it)
	171	fputs_filtered ("\\\"", stream);
	172	else
	173	fputs_filtered ("\"", stream);
	174	in_quotes = 1;
	175	}
	176	emit_char (string[i], stream, '"');
	177	++things_printed;
	178	}
	179	}
	180
	181	/* Terminate the quotes if necessary. */
	182	if (in_quotes)
	183	{
	184	if (inspect_it)
	185	fputs_filtered ("\\\"", stream);
	186	else
187	fputs_filtered ("\"", stream);
188	}
189
190	if (force_ellipses \|\| i < length)
191	fputs_filtered ("...", stream);
192	}
193
194	/* FIXME: This is a copy of c_create_fundamental_type(), before
195	all the non-C types were stripped from it. Needs to be fixed
196	by an experienced Modula programmer. */
197
198	static struct type *
199	m2_create_fundamental_type (objfile, typeid)
200	struct objfile *objfile;
201	int typeid;
202	{
203	register struct type *type = NULL;
22e39759 FF	204
	205	switch (typeid)
	206	{
	207	default:
	208	/* FIXME: For now, if we are asked to produce a type not in this
	209	language, create the equivalent of a C integer type with the
	210	name "<?type?>". When all the dust settles from the type
	211	reconstruction work, this should probably become an error. */
	212	type = init_type (TYPE_CODE_INT,
	213	TARGET_INT_BIT / TARGET_CHAR_BIT,
	214	0, "<?type?>", objfile);
	215	warning ("internal error: no Modula fundamental type %d", typeid);
	216	break;
	217	case FT_VOID:
	218	type = init_type (TYPE_CODE_VOID,
	219	TARGET_CHAR_BIT / TARGET_CHAR_BIT,
	220	0, "void", objfile);
	221	break;
	222	case FT_BOOLEAN:
	223	type = init_type (TYPE_CODE_BOOL,
	224	TARGET_CHAR_BIT / TARGET_CHAR_BIT,
	225	TYPE_FLAG_UNSIGNED, "boolean", objfile);
	226	break;
	227	case FT_STRING:
c4413e2c	228	type = init_type (TYPE_CODE_STRING,
22e39759 FF	229	TARGET_CHAR_BIT / TARGET_CHAR_BIT,
	230	0, "string", objfile);
	231	break;
	232	case FT_CHAR:
	233	type = init_type (TYPE_CODE_INT,
	234	TARGET_CHAR_BIT / TARGET_CHAR_BIT,
	235	0, "char", objfile);
	236	break;
	237	case FT_SIGNED_CHAR:
	238	type = init_type (TYPE_CODE_INT,
	239	TARGET_CHAR_BIT / TARGET_CHAR_BIT,
dda398c3	240	0, "signed char", objfile);
22e39759 FF	241	break;
	242	case FT_UNSIGNED_CHAR:
	243	type = init_type (TYPE_CODE_INT,
	244	TARGET_CHAR_BIT / TARGET_CHAR_BIT,
	245	TYPE_FLAG_UNSIGNED, "unsigned char", objfile);
	246	break;
	247	case FT_SHORT:
	248	type = init_type (TYPE_CODE_INT,
	249	TARGET_SHORT_BIT / TARGET_CHAR_BIT,
	250	0, "short", objfile);
	251	break;
	252	case FT_SIGNED_SHORT:
	253	type = init_type (TYPE_CODE_INT,
	254	TARGET_SHORT_BIT / TARGET_CHAR_BIT,
dda398c3	255	0, "short", objfile); /* FIXME-fnf */
22e39759 FF	256	break;
	257	case FT_UNSIGNED_SHORT:
	258	type = init_type (TYPE_CODE_INT,
	259	TARGET_SHORT_BIT / TARGET_CHAR_BIT,
	260	TYPE_FLAG_UNSIGNED, "unsigned short", objfile);
	261	break;
	262	case FT_INTEGER:
	263	type = init_type (TYPE_CODE_INT,
	264	TARGET_INT_BIT / TARGET_CHAR_BIT,
	265	0, "int", objfile);
	266	break;
	267	case FT_SIGNED_INTEGER:
	268	type = init_type (TYPE_CODE_INT,
	269	TARGET_INT_BIT / TARGET_CHAR_BIT,
dda398c3	270	0, "int", objfile); /* FIXME -fnf */
22e39759 FF	271	break;
	272	case FT_UNSIGNED_INTEGER:
	273	type = init_type (TYPE_CODE_INT,
	274	TARGET_INT_BIT / TARGET_CHAR_BIT,
	275	TYPE_FLAG_UNSIGNED, "unsigned int", objfile);
	276	break;
	277	case FT_FIXED_DECIMAL:
	278	type = init_type (TYPE_CODE_INT,
	279	TARGET_INT_BIT / TARGET_CHAR_BIT,
	280	0, "fixed decimal", objfile);
	281	break;
	282	case FT_LONG:
	283	type = init_type (TYPE_CODE_INT,
	284	TARGET_LONG_BIT / TARGET_CHAR_BIT,
	285	0, "long", objfile);
	286	break;
	287	case FT_SIGNED_LONG:
	288	type = init_type (TYPE_CODE_INT,
	289	TARGET_LONG_BIT / TARGET_CHAR_BIT,
dda398c3	290	0, "long", objfile); /* FIXME -fnf */
22e39759 FF	291	break;
	292	case FT_UNSIGNED_LONG:
	293	type = init_type (TYPE_CODE_INT,
	294	TARGET_LONG_BIT / TARGET_CHAR_BIT,
	295	TYPE_FLAG_UNSIGNED, "unsigned long", objfile);
	296	break;
	297	case FT_LONG_LONG:
	298	type = init_type (TYPE_CODE_INT,
	299	TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
	300	0, "long long", objfile);
	301	break;
	302	case FT_SIGNED_LONG_LONG:
	303	type = init_type (TYPE_CODE_INT,
	304	TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
dda398c3	305	0, "signed long long", objfile);
22e39759 FF	306	break;
	307	case FT_UNSIGNED_LONG_LONG:
	308	type = init_type (TYPE_CODE_INT,
	309	TARGET_LONG_LONG_BIT / TARGET_CHAR_BIT,
	310	TYPE_FLAG_UNSIGNED, "unsigned long long", objfile);
	311	break;
	312	case FT_FLOAT:
	313	type = init_type (TYPE_CODE_FLT,
	314	TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
	315	0, "float", objfile);
	316	break;
	317	case FT_DBL_PREC_FLOAT:
	318	type = init_type (TYPE_CODE_FLT,
	319	TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
	320	0, "double", objfile);
	321	break;
	322	case FT_FLOAT_DECIMAL:
	323	type = init_type (TYPE_CODE_FLT,
	324	TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
	325	0, "floating decimal", objfile);
	326	break;
	327	case FT_EXT_PREC_FLOAT:
	328	type = init_type (TYPE_CODE_FLT,
	329	TARGET_LONG_DOUBLE_BIT / TARGET_CHAR_BIT,
	330	0, "long double", objfile);
	331	break;
	332	case FT_COMPLEX:
	333	type = init_type (TYPE_CODE_FLT,
	334	TARGET_COMPLEX_BIT / TARGET_CHAR_BIT,
	335	0, "complex", objfile);
	336	break;
	337	case FT_DBL_PREC_COMPLEX:
	338	type = init_type (TYPE_CODE_FLT,
	339	TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT,
	340	0, "double complex", objfile);
	341	break;
	342	case FT_EXT_PREC_COMPLEX:
	343	type = init_type (TYPE_CODE_FLT,
	344	TARGET_DOUBLE_COMPLEX_BIT / TARGET_CHAR_BIT,
	345	0, "long double complex", objfile);
	346	break;
	347	}
	348	return (type);
	349	}
	350
	351	\f
	352	/* Table of operators and their precedences for printing expressions. */
	353
a8a69e63	354	static const struct op_print m2_op_print_tab[] = {
22e39759 FF	355	{"+", BINOP_ADD, PREC_ADD, 0},
	356	{"+", UNOP_PLUS, PREC_PREFIX, 0},
	357	{"-", BINOP_SUB, PREC_ADD, 0},
	358	{"-", UNOP_NEG, PREC_PREFIX, 0},
	359	{"*", BINOP_MUL, PREC_MUL, 0},
	360	{"/", BINOP_DIV, PREC_MUL, 0},
	361	{"DIV", BINOP_INTDIV, PREC_MUL, 0},
	362	{"MOD", BINOP_REM, PREC_MUL, 0},
	363	{":=", BINOP_ASSIGN, PREC_ASSIGN, 1},
	364	{"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
	365	{"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
	366	{"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
	367	{"=", BINOP_EQUAL, PREC_EQUAL, 0},
	368	{"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0},
	369	{"<=", BINOP_LEQ, PREC_ORDER, 0},
	370	{">=", BINOP_GEQ, PREC_ORDER, 0},
	371	{">", BINOP_GTR, PREC_ORDER, 0},
	372	{"<", BINOP_LESS, PREC_ORDER, 0},
	373	{"^", UNOP_IND, PREC_PREFIX, 0},
	374	{"@", BINOP_REPEAT, PREC_REPEAT, 0},
	375	{NULL, 0, 0, 0}
	376	};
	377	\f
	378	/* The built-in types of Modula-2. */
	379
	380	struct type *builtin_type_m2_char;
	381	struct type *builtin_type_m2_int;
	382	struct type *builtin_type_m2_card;
	383	struct type *builtin_type_m2_real;
	384	struct type *builtin_type_m2_bool;
	385
	386	struct type ** const (m2_builtin_types[]) =
	387	{
	388	&builtin_type_m2_char,
	389	&builtin_type_m2_int,
	390	&builtin_type_m2_card,
	391	&builtin_type_m2_real,
	392	&builtin_type_m2_bool,
	393	0
	394	};
	395
	396	const struct language_defn m2_language_defn = {
	397	"modula-2",
	398	language_m2,
	399	m2_builtin_types,
	400	range_check_on,
	401	type_check_on,
	402	m2_parse, /* parser */
	403	m2_error, /* parser error function */
	404	m2_printchar, /* Print character constant */
	405	m2_printstr, /* function to print string constant */
	406	m2_create_fundamental_type, /* Create fundamental type in this language */
a8a69e63 FF	407	m2_print_type, /* Print a type using appropriate syntax */
a8a69e63 FF	408	m2_val_print, /* Print a value using appropriate syntax */
e10cfcaa	409	c_value_print, /* Print a top-level value */
22e39759 FF	410	&builtin_type_m2_real, /* longest floating point type */
22e39759 FF	411	{"", "", "", ""}, /* Binary format info */
5573d7d4 JK	412	{"%loB", "", "o", "B"}, /* Octal format info */
	413	{"%ld", "", "d", ""}, /* Decimal format info */
	414	{"0%lXH", "0", "X", "H"}, /* Hex format info */
22e39759 FF	415	m2_op_print_tab, /* expression operators for printing */
	416	LANG_MAGIC
	417	};
	418
	419	/* Initialization for Modula-2 */
	420
	421	void
d62e7a20	422	_initialize_m2_language ()
22e39759 FF	423	{
	424	/* Modula-2 "pervasive" types. NOTE: these can be redefined!!! */
	425	builtin_type_m2_int =
	426	init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
	427	0,
	428	"INTEGER", (struct objfile *) NULL);
	429	builtin_type_m2_card =
	430	init_type (TYPE_CODE_INT, TARGET_INT_BIT / TARGET_CHAR_BIT,
	431	TYPE_FLAG_UNSIGNED,
	432	"CARDINAL", (struct objfile *) NULL);
	433	builtin_type_m2_real =
	434	init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
	435	0,
	436	"REAL", (struct objfile *) NULL);
	437	builtin_type_m2_char =
	438	init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
	439	TYPE_FLAG_UNSIGNED,
	440	"CHAR", (struct objfile *) NULL);
	441	builtin_type_m2_bool =
	442	init_type (TYPE_CODE_BOOL, TARGET_INT_BIT / TARGET_CHAR_BIT,
	443	TYPE_FLAG_UNSIGNED,
	444	"BOOLEAN", (struct objfile *) NULL);
	445
22e39759 FF	446	add_language (&m2_language_defn);
22e39759 FF	447	}