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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [gdb/] [m2-lang.c] - Diff between revs 827 and 840

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/* Modula 2 language support routines for GDB, the GNU debugger.
/* Modula 2 language support routines for GDB, the GNU debugger.
 
 
   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2002, 2003, 2004,
   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2002, 2003, 2004,
   2005, 2007, 2008 Free Software Foundation, Inc.
   2005, 2007, 2008 Free Software Foundation, Inc.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   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
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
#include "defs.h"
#include "defs.h"
#include "symtab.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbtypes.h"
#include "expression.h"
#include "expression.h"
#include "parser-defs.h"
#include "parser-defs.h"
#include "language.h"
#include "language.h"
#include "m2-lang.h"
#include "m2-lang.h"
#include "c-lang.h"
#include "c-lang.h"
#include "valprint.h"
#include "valprint.h"
 
 
extern void _initialize_m2_language (void);
extern void _initialize_m2_language (void);
static void m2_printchar (int, struct ui_file *);
static void m2_printchar (int, struct ui_file *);
static void m2_emit_char (int, struct ui_file *, int);
static void m2_emit_char (int, struct ui_file *, int);
 
 
/* Print the character C on STREAM as part of the contents of a literal
/* 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
   string whose delimiter is QUOTER.  Note that that format for printing
   characters and strings is language specific.
   characters and strings is language specific.
   FIXME:  This is a copy of the same function from c-exp.y.  It should
   FIXME:  This is a copy of the same function from c-exp.y.  It should
   be replaced with a true Modula version.  */
   be replaced with a true Modula version.  */
 
 
static void
static void
m2_emit_char (int c, struct ui_file *stream, int quoter)
m2_emit_char (int c, struct ui_file *stream, int quoter)
{
{
 
 
  c &= 0xFF;                    /* Avoid sign bit follies */
  c &= 0xFF;                    /* Avoid sign bit follies */
 
 
  if (PRINT_LITERAL_FORM (c))
  if (PRINT_LITERAL_FORM (c))
    {
    {
      if (c == '\\' || c == quoter)
      if (c == '\\' || c == quoter)
        {
        {
          fputs_filtered ("\\", stream);
          fputs_filtered ("\\", stream);
        }
        }
      fprintf_filtered (stream, "%c", c);
      fprintf_filtered (stream, "%c", c);
    }
    }
  else
  else
    {
    {
      switch (c)
      switch (c)
        {
        {
        case '\n':
        case '\n':
          fputs_filtered ("\\n", stream);
          fputs_filtered ("\\n", stream);
          break;
          break;
        case '\b':
        case '\b':
          fputs_filtered ("\\b", stream);
          fputs_filtered ("\\b", stream);
          break;
          break;
        case '\t':
        case '\t':
          fputs_filtered ("\\t", stream);
          fputs_filtered ("\\t", stream);
          break;
          break;
        case '\f':
        case '\f':
          fputs_filtered ("\\f", stream);
          fputs_filtered ("\\f", stream);
          break;
          break;
        case '\r':
        case '\r':
          fputs_filtered ("\\r", stream);
          fputs_filtered ("\\r", stream);
          break;
          break;
        case '\033':
        case '\033':
          fputs_filtered ("\\e", stream);
          fputs_filtered ("\\e", stream);
          break;
          break;
        case '\007':
        case '\007':
          fputs_filtered ("\\a", stream);
          fputs_filtered ("\\a", stream);
          break;
          break;
        default:
        default:
          fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
          fprintf_filtered (stream, "\\%.3o", (unsigned int) c);
          break;
          break;
        }
        }
    }
    }
}
}
 
 
/* FIXME:  This is a copy of the same function from c-exp.y.  It should
/* FIXME:  This is a copy of the same function from c-exp.y.  It should
   be replaced with a true Modula version.  */
   be replaced with a true Modula version.  */
 
 
static void
static void
m2_printchar (int c, struct ui_file *stream)
m2_printchar (int c, struct ui_file *stream)
{
{
  fputs_filtered ("'", stream);
  fputs_filtered ("'", stream);
  LA_EMIT_CHAR (c, stream, '\'');
  LA_EMIT_CHAR (c, stream, '\'');
  fputs_filtered ("'", stream);
  fputs_filtered ("'", stream);
}
}
 
 
/* Print the character string STRING, printing at most LENGTH characters.
/* Print the character string STRING, printing at most LENGTH characters.
   Printing stops early if the number hits print_max; repeat counts
   Printing stops early if the number hits print_max; repeat counts
   are printed as appropriate.  Print ellipses at the end if we
   are printed as appropriate.  Print ellipses at the end if we
   had to stop before printing LENGTH characters, or if FORCE_ELLIPSES.
   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
   FIXME:  This is a copy of the same function from c-exp.y.  It should
   be replaced with a true Modula version.  */
   be replaced with a true Modula version.  */
 
 
static void
static void
m2_printstr (struct ui_file *stream, const gdb_byte *string,
m2_printstr (struct ui_file *stream, const gdb_byte *string,
             unsigned int length, int width, int force_ellipses)
             unsigned int length, int width, int force_ellipses)
{
{
  unsigned int i;
  unsigned int i;
  unsigned int things_printed = 0;
  unsigned int things_printed = 0;
  int in_quotes = 0;
  int in_quotes = 0;
  int need_comma = 0;
  int need_comma = 0;
 
 
  if (length == 0)
  if (length == 0)
    {
    {
      fputs_filtered ("\"\"", gdb_stdout);
      fputs_filtered ("\"\"", gdb_stdout);
      return;
      return;
    }
    }
 
 
  for (i = 0; i < length && things_printed < print_max; ++i)
  for (i = 0; i < length && things_printed < print_max; ++i)
    {
    {
      /* Position of the character we are examining
      /* Position of the character we are examining
         to see whether it is repeated.  */
         to see whether it is repeated.  */
      unsigned int rep1;
      unsigned int rep1;
      /* Number of repetitions we have detected so far.  */
      /* Number of repetitions we have detected so far.  */
      unsigned int reps;
      unsigned int reps;
 
 
      QUIT;
      QUIT;
 
 
      if (need_comma)
      if (need_comma)
        {
        {
          fputs_filtered (", ", stream);
          fputs_filtered (", ", stream);
          need_comma = 0;
          need_comma = 0;
        }
        }
 
 
      rep1 = i + 1;
      rep1 = i + 1;
      reps = 1;
      reps = 1;
      while (rep1 < length && string[rep1] == string[i])
      while (rep1 < length && string[rep1] == string[i])
        {
        {
          ++rep1;
          ++rep1;
          ++reps;
          ++reps;
        }
        }
 
 
      if (reps > repeat_count_threshold)
      if (reps > repeat_count_threshold)
        {
        {
          if (in_quotes)
          if (in_quotes)
            {
            {
              if (inspect_it)
              if (inspect_it)
                fputs_filtered ("\\\", ", stream);
                fputs_filtered ("\\\", ", stream);
              else
              else
                fputs_filtered ("\", ", stream);
                fputs_filtered ("\", ", stream);
              in_quotes = 0;
              in_quotes = 0;
            }
            }
          m2_printchar (string[i], stream);
          m2_printchar (string[i], stream);
          fprintf_filtered (stream, " <repeats %u times>", reps);
          fprintf_filtered (stream, " <repeats %u times>", reps);
          i = rep1 - 1;
          i = rep1 - 1;
          things_printed += repeat_count_threshold;
          things_printed += repeat_count_threshold;
          need_comma = 1;
          need_comma = 1;
        }
        }
      else
      else
        {
        {
          if (!in_quotes)
          if (!in_quotes)
            {
            {
              if (inspect_it)
              if (inspect_it)
                fputs_filtered ("\\\"", stream);
                fputs_filtered ("\\\"", stream);
              else
              else
                fputs_filtered ("\"", stream);
                fputs_filtered ("\"", stream);
              in_quotes = 1;
              in_quotes = 1;
            }
            }
          LA_EMIT_CHAR (string[i], stream, '"');
          LA_EMIT_CHAR (string[i], stream, '"');
          ++things_printed;
          ++things_printed;
        }
        }
    }
    }
 
 
  /* Terminate the quotes if necessary.  */
  /* Terminate the quotes if necessary.  */
  if (in_quotes)
  if (in_quotes)
    {
    {
      if (inspect_it)
      if (inspect_it)
        fputs_filtered ("\\\"", stream);
        fputs_filtered ("\\\"", stream);
      else
      else
        fputs_filtered ("\"", stream);
        fputs_filtered ("\"", stream);
    }
    }
 
 
  if (force_ellipses || i < length)
  if (force_ellipses || i < length)
    fputs_filtered ("...", stream);
    fputs_filtered ("...", stream);
}
}
 
 
static struct value *
static struct value *
evaluate_subexp_modula2 (struct type *expect_type, struct expression *exp,
evaluate_subexp_modula2 (struct type *expect_type, struct expression *exp,
                         int *pos, enum noside noside)
                         int *pos, enum noside noside)
{
{
  enum exp_opcode op = exp->elts[*pos].opcode;
  enum exp_opcode op = exp->elts[*pos].opcode;
  struct value *arg1;
  struct value *arg1;
  struct value *arg2;
  struct value *arg2;
  struct type *type;
  struct type *type;
  switch (op)
  switch (op)
    {
    {
    case UNOP_HIGH:
    case UNOP_HIGH:
      (*pos)++;
      (*pos)++;
      arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
      arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
 
 
      if (noside == EVAL_SKIP || noside == EVAL_AVOID_SIDE_EFFECTS)
      if (noside == EVAL_SKIP || noside == EVAL_AVOID_SIDE_EFFECTS)
        return arg1;
        return arg1;
      else
      else
        {
        {
          arg1 = coerce_ref (arg1);
          arg1 = coerce_ref (arg1);
          type = check_typedef (value_type (arg1));
          type = check_typedef (value_type (arg1));
 
 
          if (m2_is_unbounded_array (type))
          if (m2_is_unbounded_array (type))
            {
            {
              struct value *temp = arg1;
              struct value *temp = arg1;
              type = TYPE_FIELD_TYPE (type, 1);
              type = TYPE_FIELD_TYPE (type, 1);
              /* i18n: Do not translate the "_m2_high" part!  */
              /* i18n: Do not translate the "_m2_high" part!  */
              arg1 = value_struct_elt (&temp, NULL, "_m2_high", NULL,
              arg1 = value_struct_elt (&temp, NULL, "_m2_high", NULL,
                                       _("unbounded structure "
                                       _("unbounded structure "
                                         "missing _m2_high field"));
                                         "missing _m2_high field"));
 
 
              if (value_type (arg1) != type)
              if (value_type (arg1) != type)
                arg1 = value_cast (type, arg1);
                arg1 = value_cast (type, arg1);
            }
            }
        }
        }
      return arg1;
      return arg1;
 
 
    case BINOP_SUBSCRIPT:
    case BINOP_SUBSCRIPT:
      (*pos)++;
      (*pos)++;
      arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
      arg1 = evaluate_subexp_with_coercion (exp, pos, noside);
      arg2 = evaluate_subexp_with_coercion (exp, pos, noside);
      arg2 = evaluate_subexp_with_coercion (exp, pos, noside);
      if (noside == EVAL_SKIP)
      if (noside == EVAL_SKIP)
        goto nosideret;
        goto nosideret;
      /* If the user attempts to subscript something that is not an
      /* If the user attempts to subscript something that is not an
         array or pointer type (like a plain int variable for example),
         array or pointer type (like a plain int variable for example),
         then report this as an error.  */
         then report this as an error.  */
 
 
      arg1 = coerce_ref (arg1);
      arg1 = coerce_ref (arg1);
      type = check_typedef (value_type (arg1));
      type = check_typedef (value_type (arg1));
 
 
      if (m2_is_unbounded_array (type))
      if (m2_is_unbounded_array (type))
        {
        {
          struct value *temp = arg1;
          struct value *temp = arg1;
          type = TYPE_FIELD_TYPE (type, 0);
          type = TYPE_FIELD_TYPE (type, 0);
          if (type == NULL || (TYPE_CODE (type) != TYPE_CODE_PTR)) {
          if (type == NULL || (TYPE_CODE (type) != TYPE_CODE_PTR)) {
            warning (_("internal error: unbounded array structure is unknown"));
            warning (_("internal error: unbounded array structure is unknown"));
            return evaluate_subexp_standard (expect_type, exp, pos, noside);
            return evaluate_subexp_standard (expect_type, exp, pos, noside);
          }
          }
          /* i18n: Do not translate the "_m2_contents" part!  */
          /* i18n: Do not translate the "_m2_contents" part!  */
          arg1 = value_struct_elt (&temp, NULL, "_m2_contents", NULL,
          arg1 = value_struct_elt (&temp, NULL, "_m2_contents", NULL,
                                   _("unbounded structure "
                                   _("unbounded structure "
                                     "missing _m2_contents field"));
                                     "missing _m2_contents field"));
 
 
          if (value_type (arg1) != type)
          if (value_type (arg1) != type)
            arg1 = value_cast (type, arg1);
            arg1 = value_cast (type, arg1);
 
 
          type = check_typedef (value_type (arg1));
          type = check_typedef (value_type (arg1));
          return value_ind (value_add (arg1, arg2));
          return value_ind (value_add (arg1, arg2));
        }
        }
      else
      else
        if (TYPE_CODE (type) != TYPE_CODE_ARRAY)
        if (TYPE_CODE (type) != TYPE_CODE_ARRAY)
          {
          {
            if (TYPE_NAME (type))
            if (TYPE_NAME (type))
              error (_("cannot subscript something of type `%s'"),
              error (_("cannot subscript something of type `%s'"),
                     TYPE_NAME (type));
                     TYPE_NAME (type));
            else
            else
              error (_("cannot subscript requested type"));
              error (_("cannot subscript requested type"));
          }
          }
 
 
      if (noside == EVAL_AVOID_SIDE_EFFECTS)
      if (noside == EVAL_AVOID_SIDE_EFFECTS)
        return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1));
        return value_zero (TYPE_TARGET_TYPE (type), VALUE_LVAL (arg1));
      else
      else
        return value_subscript (arg1, arg2);
        return value_subscript (arg1, arg2);
 
 
    default:
    default:
      return evaluate_subexp_standard (expect_type, exp, pos, noside);
      return evaluate_subexp_standard (expect_type, exp, pos, noside);
    }
    }
 
 
 nosideret:
 nosideret:
  return value_from_longest (builtin_type_long, (LONGEST) 1);
  return value_from_longest (builtin_type_long, (LONGEST) 1);
}
}


 
 
/* Table of operators and their precedences for printing expressions.  */
/* Table of operators and their precedences for printing expressions.  */
 
 
static const struct op_print m2_op_print_tab[] =
static const struct op_print m2_op_print_tab[] =
{
{
  {"+", BINOP_ADD, PREC_ADD, 0},
  {"+", BINOP_ADD, PREC_ADD, 0},
  {"+", UNOP_PLUS, PREC_PREFIX, 0},
  {"+", UNOP_PLUS, PREC_PREFIX, 0},
  {"-", BINOP_SUB, PREC_ADD, 0},
  {"-", BINOP_SUB, PREC_ADD, 0},
  {"-", UNOP_NEG, PREC_PREFIX, 0},
  {"-", UNOP_NEG, PREC_PREFIX, 0},
  {"*", BINOP_MUL, PREC_MUL, 0},
  {"*", BINOP_MUL, PREC_MUL, 0},
  {"/", BINOP_DIV, PREC_MUL, 0},
  {"/", BINOP_DIV, PREC_MUL, 0},
  {"DIV", BINOP_INTDIV, PREC_MUL, 0},
  {"DIV", BINOP_INTDIV, PREC_MUL, 0},
  {"MOD", BINOP_REM, PREC_MUL, 0},
  {"MOD", BINOP_REM, PREC_MUL, 0},
  {":=", BINOP_ASSIGN, PREC_ASSIGN, 1},
  {":=", BINOP_ASSIGN, PREC_ASSIGN, 1},
  {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
  {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0},
  {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
  {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0},
  {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
  {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0},
  {"=", BINOP_EQUAL, PREC_EQUAL, 0},
  {"=", BINOP_EQUAL, PREC_EQUAL, 0},
  {"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0},
  {"<>", BINOP_NOTEQUAL, PREC_EQUAL, 0},
  {"<=", BINOP_LEQ, PREC_ORDER, 0},
  {"<=", BINOP_LEQ, PREC_ORDER, 0},
  {">=", BINOP_GEQ, PREC_ORDER, 0},
  {">=", BINOP_GEQ, PREC_ORDER, 0},
  {">", BINOP_GTR, PREC_ORDER, 0},
  {">", BINOP_GTR, PREC_ORDER, 0},
  {"<", BINOP_LESS, PREC_ORDER, 0},
  {"<", BINOP_LESS, PREC_ORDER, 0},
  {"^", UNOP_IND, PREC_PREFIX, 0},
  {"^", UNOP_IND, PREC_PREFIX, 0},
  {"@", BINOP_REPEAT, PREC_REPEAT, 0},
  {"@", BINOP_REPEAT, PREC_REPEAT, 0},
  {"CAP", UNOP_CAP, PREC_BUILTIN_FUNCTION, 0},
  {"CAP", UNOP_CAP, PREC_BUILTIN_FUNCTION, 0},
  {"CHR", UNOP_CHR, PREC_BUILTIN_FUNCTION, 0},
  {"CHR", UNOP_CHR, PREC_BUILTIN_FUNCTION, 0},
  {"ORD", UNOP_ORD, PREC_BUILTIN_FUNCTION, 0},
  {"ORD", UNOP_ORD, PREC_BUILTIN_FUNCTION, 0},
  {"FLOAT", UNOP_FLOAT, PREC_BUILTIN_FUNCTION, 0},
  {"FLOAT", UNOP_FLOAT, PREC_BUILTIN_FUNCTION, 0},
  {"HIGH", UNOP_HIGH, PREC_BUILTIN_FUNCTION, 0},
  {"HIGH", UNOP_HIGH, PREC_BUILTIN_FUNCTION, 0},
  {"MAX", UNOP_MAX, PREC_BUILTIN_FUNCTION, 0},
  {"MAX", UNOP_MAX, PREC_BUILTIN_FUNCTION, 0},
  {"MIN", UNOP_MIN, PREC_BUILTIN_FUNCTION, 0},
  {"MIN", UNOP_MIN, PREC_BUILTIN_FUNCTION, 0},
  {"ODD", UNOP_ODD, PREC_BUILTIN_FUNCTION, 0},
  {"ODD", UNOP_ODD, PREC_BUILTIN_FUNCTION, 0},
  {"TRUNC", UNOP_TRUNC, PREC_BUILTIN_FUNCTION, 0},
  {"TRUNC", UNOP_TRUNC, PREC_BUILTIN_FUNCTION, 0},
  {NULL, 0, 0, 0}
  {NULL, 0, 0, 0}
};
};


/* The built-in types of Modula-2.  */
/* The built-in types of Modula-2.  */
 
 
enum m2_primitive_types {
enum m2_primitive_types {
  m2_primitive_type_char,
  m2_primitive_type_char,
  m2_primitive_type_int,
  m2_primitive_type_int,
  m2_primitive_type_card,
  m2_primitive_type_card,
  m2_primitive_type_real,
  m2_primitive_type_real,
  m2_primitive_type_bool,
  m2_primitive_type_bool,
  nr_m2_primitive_types
  nr_m2_primitive_types
};
};
 
 
static void
static void
m2_language_arch_info (struct gdbarch *gdbarch,
m2_language_arch_info (struct gdbarch *gdbarch,
                       struct language_arch_info *lai)
                       struct language_arch_info *lai)
{
{
  const struct builtin_m2_type *builtin = builtin_m2_type (gdbarch);
  const struct builtin_m2_type *builtin = builtin_m2_type (gdbarch);
 
 
  lai->string_char_type = builtin->builtin_char;
  lai->string_char_type = builtin->builtin_char;
  lai->primitive_type_vector
  lai->primitive_type_vector
    = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_m2_primitive_types + 1,
    = GDBARCH_OBSTACK_CALLOC (gdbarch, nr_m2_primitive_types + 1,
                              struct type *);
                              struct type *);
 
 
  lai->primitive_type_vector [m2_primitive_type_char]
  lai->primitive_type_vector [m2_primitive_type_char]
    = builtin->builtin_char;
    = builtin->builtin_char;
  lai->primitive_type_vector [m2_primitive_type_int]
  lai->primitive_type_vector [m2_primitive_type_int]
    = builtin->builtin_int;
    = builtin->builtin_int;
  lai->primitive_type_vector [m2_primitive_type_card]
  lai->primitive_type_vector [m2_primitive_type_card]
    = builtin->builtin_card;
    = builtin->builtin_card;
  lai->primitive_type_vector [m2_primitive_type_real]
  lai->primitive_type_vector [m2_primitive_type_real]
    = builtin->builtin_real;
    = builtin->builtin_real;
  lai->primitive_type_vector [m2_primitive_type_bool]
  lai->primitive_type_vector [m2_primitive_type_bool]
    = builtin->builtin_bool;
    = builtin->builtin_bool;
}
}
 
 
const struct exp_descriptor exp_descriptor_modula2 =
const struct exp_descriptor exp_descriptor_modula2 =
{
{
  print_subexp_standard,
  print_subexp_standard,
  operator_length_standard,
  operator_length_standard,
  op_name_standard,
  op_name_standard,
  dump_subexp_body_standard,
  dump_subexp_body_standard,
  evaluate_subexp_modula2
  evaluate_subexp_modula2
};
};
 
 
const struct language_defn m2_language_defn =
const struct language_defn m2_language_defn =
{
{
  "modula-2",
  "modula-2",
  language_m2,
  language_m2,
  range_check_on,
  range_check_on,
  type_check_on,
  type_check_on,
  case_sensitive_on,
  case_sensitive_on,
  array_row_major,
  array_row_major,
  &exp_descriptor_modula2,
  &exp_descriptor_modula2,
  m2_parse,                     /* parser */
  m2_parse,                     /* parser */
  m2_error,                     /* parser error function */
  m2_error,                     /* parser error function */
  null_post_parser,
  null_post_parser,
  m2_printchar,                 /* Print character constant */
  m2_printchar,                 /* Print character constant */
  m2_printstr,                  /* function to print string constant */
  m2_printstr,                  /* function to print string constant */
  m2_emit_char,                 /* Function to print a single character */
  m2_emit_char,                 /* Function to print a single character */
  m2_print_type,                /* Print a type using appropriate syntax */
  m2_print_type,                /* Print a type using appropriate syntax */
  m2_val_print,                 /* Print a value using appropriate syntax */
  m2_val_print,                 /* Print a value using appropriate syntax */
  c_value_print,                /* Print a top-level value */
  c_value_print,                /* Print a top-level value */
  NULL,                         /* Language specific skip_trampoline */
  NULL,                         /* Language specific skip_trampoline */
  value_of_this,                /* value_of_this */
  value_of_this,                /* value_of_this */
  basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
  basic_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
  basic_lookup_transparent_type,/* lookup_transparent_type */
  basic_lookup_transparent_type,/* lookup_transparent_type */
  NULL,                         /* Language specific symbol demangler */
  NULL,                         /* Language specific symbol demangler */
  NULL,                         /* Language specific class_name_from_physname */
  NULL,                         /* Language specific class_name_from_physname */
  m2_op_print_tab,              /* expression operators for printing */
  m2_op_print_tab,              /* expression operators for printing */
  0,                             /* arrays are first-class (not c-style) */
  0,                             /* arrays are first-class (not c-style) */
  0,                             /* String lower bound */
  0,                             /* String lower bound */
  default_word_break_characters,
  default_word_break_characters,
  default_make_symbol_completion_list,
  default_make_symbol_completion_list,
  m2_language_arch_info,
  m2_language_arch_info,
  default_print_array_index,
  default_print_array_index,
  default_pass_by_reference,
  default_pass_by_reference,
  LANG_MAGIC
  LANG_MAGIC
};
};
 
 
static void *
static void *
build_m2_types (struct gdbarch *gdbarch)
build_m2_types (struct gdbarch *gdbarch)
{
{
  struct builtin_m2_type *builtin_m2_type
  struct builtin_m2_type *builtin_m2_type
    = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_m2_type);
    = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct builtin_m2_type);
 
 
  /* Modula-2 "pervasive" types.  NOTE:  these can be redefined!!! */
  /* Modula-2 "pervasive" types.  NOTE:  these can be redefined!!! */
  builtin_m2_type->builtin_int =
  builtin_m2_type->builtin_int =
    init_type (TYPE_CODE_INT,
    init_type (TYPE_CODE_INT,
               gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
               gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
               0, "INTEGER", (struct objfile *) NULL);
               0, "INTEGER", (struct objfile *) NULL);
  builtin_m2_type->builtin_card =
  builtin_m2_type->builtin_card =
    init_type (TYPE_CODE_INT,
    init_type (TYPE_CODE_INT,
               gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
               gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
               TYPE_FLAG_UNSIGNED,
               TYPE_FLAG_UNSIGNED,
               "CARDINAL", (struct objfile *) NULL);
               "CARDINAL", (struct objfile *) NULL);
  builtin_m2_type->builtin_real =
  builtin_m2_type->builtin_real =
    init_type (TYPE_CODE_FLT,
    init_type (TYPE_CODE_FLT,
               gdbarch_float_bit (gdbarch) / TARGET_CHAR_BIT,
               gdbarch_float_bit (gdbarch) / TARGET_CHAR_BIT,
               0,
               0,
               "REAL", (struct objfile *) NULL);
               "REAL", (struct objfile *) NULL);
  builtin_m2_type->builtin_char =
  builtin_m2_type->builtin_char =
    init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
    init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT,
               TYPE_FLAG_UNSIGNED,
               TYPE_FLAG_UNSIGNED,
               "CHAR", (struct objfile *) NULL);
               "CHAR", (struct objfile *) NULL);
  builtin_m2_type->builtin_bool =
  builtin_m2_type->builtin_bool =
    init_type (TYPE_CODE_BOOL,
    init_type (TYPE_CODE_BOOL,
               gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
               gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT,
               TYPE_FLAG_UNSIGNED,
               TYPE_FLAG_UNSIGNED,
               "BOOLEAN", (struct objfile *) NULL);
               "BOOLEAN", (struct objfile *) NULL);
 
 
  return builtin_m2_type;
  return builtin_m2_type;
}
}
 
 
static struct gdbarch_data *m2_type_data;
static struct gdbarch_data *m2_type_data;
 
 
const struct builtin_m2_type *
const struct builtin_m2_type *
builtin_m2_type (struct gdbarch *gdbarch)
builtin_m2_type (struct gdbarch *gdbarch)
{
{
  return gdbarch_data (gdbarch, m2_type_data);
  return gdbarch_data (gdbarch, m2_type_data);
}
}
 
 
 
 
/* Initialization for Modula-2 */
/* Initialization for Modula-2 */
 
 
void
void
_initialize_m2_language (void)
_initialize_m2_language (void)
{
{
  m2_type_data = gdbarch_data_register_post_init (build_m2_types);
  m2_type_data = gdbarch_data_register_post_init (build_m2_types);
 
 
  add_language (&m2_language_defn);
  add_language (&m2_language_defn);
}
}
 
 

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