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[/] [or1k/] [trunk/] [insight/] [gdb/] [linespec.c] - Diff between revs 578 and 1765

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/* Parser for linespec for the GNU debugger, GDB.
/* Parser for linespec for the GNU debugger, GDB.
   Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   1996, 1997, 1998, 1999, 2000, 2001
   1996, 1997, 1998, 1999, 2000, 2001
   Free Software Foundation, Inc.
   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 2 of the License, or
   the Free Software Foundation; either version 2 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, write to the Free Software
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */
   Boston, MA 02111-1307, USA.  */
 
 
#include "defs.h"
#include "defs.h"
#include "symtab.h"
#include "symtab.h"
#include "frame.h"
#include "frame.h"
#include "command.h"
#include "command.h"
#include "symfile.h"
#include "symfile.h"
#include "objfiles.h"
#include "objfiles.h"
#include "demangle.h"
#include "demangle.h"
#include "value.h"
#include "value.h"
#include "completer.h"
#include "completer.h"
#include "cp-abi.h"
#include "cp-abi.h"
 
 
/* Prototype for one function in parser-defs.h,
/* Prototype for one function in parser-defs.h,
   instead of including that entire file. */
   instead of including that entire file. */
 
 
extern char *find_template_name_end (char *);
extern char *find_template_name_end (char *);
 
 
/* We share this one with symtab.c, but it is not exported widely. */
/* We share this one with symtab.c, but it is not exported widely. */
 
 
extern char *operator_chars (char *, char **);
extern char *operator_chars (char *, char **);
 
 
/* Prototypes for local functions */
/* Prototypes for local functions */
 
 
static void cplusplus_hint (char *name);
static void cplusplus_hint (char *name);
 
 
static int total_number_of_methods (struct type *type);
static int total_number_of_methods (struct type *type);
 
 
static int find_methods (struct type *, char *, struct symbol **);
static int find_methods (struct type *, char *, struct symbol **);
 
 
static void build_canonical_line_spec (struct symtab_and_line *,
static void build_canonical_line_spec (struct symtab_and_line *,
                                       char *, char ***);
                                       char *, char ***);
 
 
static char *find_toplevel_char (char *s, char c);
static char *find_toplevel_char (char *s, char c);
 
 
static struct symtabs_and_lines decode_line_2 (struct symbol *[],
static struct symtabs_and_lines decode_line_2 (struct symbol *[],
                                               int, int, char ***);
                                               int, int, char ***);
 
 
/* Helper functions. */
/* Helper functions. */
 
 
/* While the C++ support is still in flux, issue a possibly helpful hint on
/* While the C++ support is still in flux, issue a possibly helpful hint on
   using the new command completion feature on single quoted demangled C++
   using the new command completion feature on single quoted demangled C++
   symbols.  Remove when loose ends are cleaned up.   FIXME -fnf */
   symbols.  Remove when loose ends are cleaned up.   FIXME -fnf */
 
 
static void
static void
cplusplus_hint (char *name)
cplusplus_hint (char *name)
{
{
  while (*name == '\'')
  while (*name == '\'')
    name++;
    name++;
  printf_filtered ("Hint: try '%s<TAB> or '%s<ESC-?>\n", name, name);
  printf_filtered ("Hint: try '%s<TAB> or '%s<ESC-?>\n", name, name);
  printf_filtered ("(Note leading single quote.)\n");
  printf_filtered ("(Note leading single quote.)\n");
}
}
 
 
/* Return the number of methods described for TYPE, including the
/* Return the number of methods described for TYPE, including the
   methods from types it derives from. This can't be done in the symbol
   methods from types it derives from. This can't be done in the symbol
   reader because the type of the baseclass might still be stubbed
   reader because the type of the baseclass might still be stubbed
   when the definition of the derived class is parsed.  */
   when the definition of the derived class is parsed.  */
 
 
static int
static int
total_number_of_methods (struct type *type)
total_number_of_methods (struct type *type)
{
{
  int n;
  int n;
  int count;
  int count;
 
 
  CHECK_TYPEDEF (type);
  CHECK_TYPEDEF (type);
  if (TYPE_CPLUS_SPECIFIC (type) == NULL)
  if (TYPE_CPLUS_SPECIFIC (type) == NULL)
    return 0;
    return 0;
  count = TYPE_NFN_FIELDS_TOTAL (type);
  count = TYPE_NFN_FIELDS_TOTAL (type);
 
 
  for (n = 0; n < TYPE_N_BASECLASSES (type); n++)
  for (n = 0; n < TYPE_N_BASECLASSES (type); n++)
    count += total_number_of_methods (TYPE_BASECLASS (type, n));
    count += total_number_of_methods (TYPE_BASECLASS (type, n));
 
 
  return count;
  return count;
}
}
 
 
/* Recursive helper function for decode_line_1.
/* Recursive helper function for decode_line_1.
   Look for methods named NAME in type T.
   Look for methods named NAME in type T.
   Return number of matches.
   Return number of matches.
   Put matches in SYM_ARR, which should have been allocated with
   Put matches in SYM_ARR, which should have been allocated with
   a size of total_number_of_methods (T) * sizeof (struct symbol *).
   a size of total_number_of_methods (T) * sizeof (struct symbol *).
   Note that this function is g++ specific.  */
   Note that this function is g++ specific.  */
 
 
static int
static int
find_methods (struct type *t, char *name, struct symbol **sym_arr)
find_methods (struct type *t, char *name, struct symbol **sym_arr)
{
{
  int i1 = 0;
  int i1 = 0;
  int ibase;
  int ibase;
  char *class_name = type_name_no_tag (t);
  char *class_name = type_name_no_tag (t);
 
 
  /* Ignore this class if it doesn't have a name.  This is ugly, but
  /* Ignore this class if it doesn't have a name.  This is ugly, but
     unless we figure out how to get the physname without the name of
     unless we figure out how to get the physname without the name of
     the class, then the loop can't do any good.  */
     the class, then the loop can't do any good.  */
  if (class_name
  if (class_name
      && (lookup_symbol (class_name, (struct block *) NULL,
      && (lookup_symbol (class_name, (struct block *) NULL,
                         STRUCT_NAMESPACE, (int *) NULL,
                         STRUCT_NAMESPACE, (int *) NULL,
                         (struct symtab **) NULL)))
                         (struct symtab **) NULL)))
    {
    {
      int method_counter;
      int method_counter;
 
 
      CHECK_TYPEDEF (t);
      CHECK_TYPEDEF (t);
 
 
      /* Loop over each method name.  At this level, all overloads of a name
      /* Loop over each method name.  At this level, all overloads of a name
         are counted as a single name.  There is an inner loop which loops over
         are counted as a single name.  There is an inner loop which loops over
         each overload.  */
         each overload.  */
 
 
      for (method_counter = TYPE_NFN_FIELDS (t) - 1;
      for (method_counter = TYPE_NFN_FIELDS (t) - 1;
           method_counter >= 0;
           method_counter >= 0;
           --method_counter)
           --method_counter)
        {
        {
          int field_counter;
          int field_counter;
          char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter);
          char *method_name = TYPE_FN_FIELDLIST_NAME (t, method_counter);
          char dem_opname[64];
          char dem_opname[64];
 
 
          if (strncmp (method_name, "__", 2) == 0 ||
          if (strncmp (method_name, "__", 2) == 0 ||
              strncmp (method_name, "op", 2) == 0 ||
              strncmp (method_name, "op", 2) == 0 ||
              strncmp (method_name, "type", 4) == 0)
              strncmp (method_name, "type", 4) == 0)
            {
            {
              if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI))
              if (cplus_demangle_opname (method_name, dem_opname, DMGL_ANSI))
                method_name = dem_opname;
                method_name = dem_opname;
              else if (cplus_demangle_opname (method_name, dem_opname, 0))
              else if (cplus_demangle_opname (method_name, dem_opname, 0))
                method_name = dem_opname;
                method_name = dem_opname;
            }
            }
 
 
          if (strcmp_iw (name, method_name) == 0)
          if (strcmp_iw (name, method_name) == 0)
            /* Find all the overloaded methods with that name.  */
            /* Find all the overloaded methods with that name.  */
            for (field_counter = TYPE_FN_FIELDLIST_LENGTH (t, method_counter) - 1;
            for (field_counter = TYPE_FN_FIELDLIST_LENGTH (t, method_counter) - 1;
                 field_counter >= 0;
                 field_counter >= 0;
                 --field_counter)
                 --field_counter)
              {
              {
                struct fn_field *f;
                struct fn_field *f;
                char *phys_name;
                char *phys_name;
 
 
                f = TYPE_FN_FIELDLIST1 (t, method_counter);
                f = TYPE_FN_FIELDLIST1 (t, method_counter);
 
 
                if (TYPE_FN_FIELD_STUB (f, field_counter))
                if (TYPE_FN_FIELD_STUB (f, field_counter))
                  {
                  {
                    char *tmp_name;
                    char *tmp_name;
 
 
                    tmp_name = gdb_mangle_name (t,
                    tmp_name = gdb_mangle_name (t,
                                                method_counter,
                                                method_counter,
                                                field_counter);
                                                field_counter);
                    phys_name = alloca (strlen (tmp_name) + 1);
                    phys_name = alloca (strlen (tmp_name) + 1);
                    strcpy (phys_name, tmp_name);
                    strcpy (phys_name, tmp_name);
                    xfree (tmp_name);
                    xfree (tmp_name);
                  }
                  }
                else
                else
                  phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter);
                  phys_name = TYPE_FN_FIELD_PHYSNAME (f, field_counter);
 
 
                /* Destructor is handled by caller, dont add it to the list */
                /* Destructor is handled by caller, dont add it to the list */
                if (is_destructor_name (phys_name) != 0)
                if (is_destructor_name (phys_name) != 0)
                  continue;
                  continue;
 
 
                sym_arr[i1] = lookup_symbol (phys_name,
                sym_arr[i1] = lookup_symbol (phys_name,
                                             NULL, VAR_NAMESPACE,
                                             NULL, VAR_NAMESPACE,
                                             (int *) NULL,
                                             (int *) NULL,
                                             (struct symtab **) NULL);
                                             (struct symtab **) NULL);
                if (sym_arr[i1])
                if (sym_arr[i1])
                  i1++;
                  i1++;
                else
                else
                  {
                  {
                    /* This error message gets printed, but the method
                    /* This error message gets printed, but the method
                       still seems to be found
                       still seems to be found
                       fputs_filtered("(Cannot find method ", gdb_stdout);
                       fputs_filtered("(Cannot find method ", gdb_stdout);
                       fprintf_symbol_filtered (gdb_stdout, phys_name,
                       fprintf_symbol_filtered (gdb_stdout, phys_name,
                       language_cplus,
                       language_cplus,
                       DMGL_PARAMS | DMGL_ANSI);
                       DMGL_PARAMS | DMGL_ANSI);
                       fputs_filtered(" - possibly inlined.)\n", gdb_stdout);
                       fputs_filtered(" - possibly inlined.)\n", gdb_stdout);
                     */
                     */
                  }
                  }
              }
              }
        }
        }
    }
    }
 
 
  /* Only search baseclasses if there is no match yet, since names in
  /* Only search baseclasses if there is no match yet, since names in
     derived classes override those in baseclasses.
     derived classes override those in baseclasses.
 
 
     FIXME: The above is not true; it is only true of member functions
     FIXME: The above is not true; it is only true of member functions
     if they have the same number of arguments (??? - section 13.1 of the
     if they have the same number of arguments (??? - section 13.1 of the
     ARM says the function members are not in the same scope but doesn't
     ARM says the function members are not in the same scope but doesn't
     really spell out the rules in a way I understand.  In any case, if
     really spell out the rules in a way I understand.  In any case, if
     the number of arguments differ this is a case in which we can overload
     the number of arguments differ this is a case in which we can overload
     rather than hiding without any problem, and gcc 2.4.5 does overload
     rather than hiding without any problem, and gcc 2.4.5 does overload
     rather than hiding in this case).  */
     rather than hiding in this case).  */
 
 
  if (i1 == 0)
  if (i1 == 0)
    for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++)
    for (ibase = 0; ibase < TYPE_N_BASECLASSES (t); ibase++)
      i1 += find_methods (TYPE_BASECLASS (t, ibase), name, sym_arr + i1);
      i1 += find_methods (TYPE_BASECLASS (t, ibase), name, sym_arr + i1);
 
 
  return i1;
  return i1;
}
}
 
 
/* Helper function for decode_line_1.
/* Helper function for decode_line_1.
   Build a canonical line spec in CANONICAL if it is non-NULL and if
   Build a canonical line spec in CANONICAL if it is non-NULL and if
   the SAL has a symtab.
   the SAL has a symtab.
   If SYMNAME is non-NULL the canonical line spec is `filename:symname'.
   If SYMNAME is non-NULL the canonical line spec is `filename:symname'.
   If SYMNAME is NULL the line number from SAL is used and the canonical
   If SYMNAME is NULL the line number from SAL is used and the canonical
   line spec is `filename:linenum'.  */
   line spec is `filename:linenum'.  */
 
 
static void
static void
build_canonical_line_spec (struct symtab_and_line *sal, char *symname,
build_canonical_line_spec (struct symtab_and_line *sal, char *symname,
                           char ***canonical)
                           char ***canonical)
{
{
  char **canonical_arr;
  char **canonical_arr;
  char *canonical_name;
  char *canonical_name;
  char *filename;
  char *filename;
  struct symtab *s = sal->symtab;
  struct symtab *s = sal->symtab;
 
 
  if (s == (struct symtab *) NULL
  if (s == (struct symtab *) NULL
      || s->filename == (char *) NULL
      || s->filename == (char *) NULL
      || canonical == (char ***) NULL)
      || canonical == (char ***) NULL)
    return;
    return;
 
 
  canonical_arr = (char **) xmalloc (sizeof (char *));
  canonical_arr = (char **) xmalloc (sizeof (char *));
  *canonical = canonical_arr;
  *canonical = canonical_arr;
 
 
  filename = s->filename;
  filename = s->filename;
  if (symname != NULL)
  if (symname != NULL)
    {
    {
      canonical_name = xmalloc (strlen (filename) + strlen (symname) + 2);
      canonical_name = xmalloc (strlen (filename) + strlen (symname) + 2);
      sprintf (canonical_name, "%s:%s", filename, symname);
      sprintf (canonical_name, "%s:%s", filename, symname);
    }
    }
  else
  else
    {
    {
      canonical_name = xmalloc (strlen (filename) + 30);
      canonical_name = xmalloc (strlen (filename) + 30);
      sprintf (canonical_name, "%s:%d", filename, sal->line);
      sprintf (canonical_name, "%s:%d", filename, sal->line);
    }
    }
  canonical_arr[0] = canonical_name;
  canonical_arr[0] = canonical_name;
}
}
 
 
 
 
 
 
/* Find an instance of the character C in the string S that is outside
/* Find an instance of the character C in the string S that is outside
   of all parenthesis pairs, single-quoted strings, and double-quoted
   of all parenthesis pairs, single-quoted strings, and double-quoted
   strings.  */
   strings.  */
static char *
static char *
find_toplevel_char (char *s, char c)
find_toplevel_char (char *s, char c)
{
{
  int quoted = 0;                /* zero if we're not in quotes;
  int quoted = 0;                /* zero if we're not in quotes;
                                   '"' if we're in a double-quoted string;
                                   '"' if we're in a double-quoted string;
                                   '\'' if we're in a single-quoted string.  */
                                   '\'' if we're in a single-quoted string.  */
  int depth = 0;         /* number of unclosed parens we've seen */
  int depth = 0;         /* number of unclosed parens we've seen */
  char *scan;
  char *scan;
 
 
  for (scan = s; *scan; scan++)
  for (scan = s; *scan; scan++)
    {
    {
      if (quoted)
      if (quoted)
        {
        {
          if (*scan == quoted)
          if (*scan == quoted)
            quoted = 0;
            quoted = 0;
          else if (*scan == '\\' && *(scan + 1))
          else if (*scan == '\\' && *(scan + 1))
            scan++;
            scan++;
        }
        }
      else if (*scan == c && ! quoted && depth == 0)
      else if (*scan == c && ! quoted && depth == 0)
        return scan;
        return scan;
      else if (*scan == '"' || *scan == '\'')
      else if (*scan == '"' || *scan == '\'')
        quoted = *scan;
        quoted = *scan;
      else if (*scan == '(')
      else if (*scan == '(')
        depth++;
        depth++;
      else if (*scan == ')' && depth > 0)
      else if (*scan == ')' && depth > 0)
        depth--;
        depth--;
    }
    }
 
 
  return 0;
  return 0;
}
}
 
 
/* Given a list of NELTS symbols in SYM_ARR, return a list of lines to
/* Given a list of NELTS symbols in SYM_ARR, return a list of lines to
   operate on (ask user if necessary).
   operate on (ask user if necessary).
   If CANONICAL is non-NULL return a corresponding array of mangled names
   If CANONICAL is non-NULL return a corresponding array of mangled names
   as canonical line specs there.  */
   as canonical line specs there.  */
 
 
static struct symtabs_and_lines
static struct symtabs_and_lines
decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline,
decode_line_2 (struct symbol *sym_arr[], int nelts, int funfirstline,
               char ***canonical)
               char ***canonical)
{
{
  struct symtabs_and_lines values, return_values;
  struct symtabs_and_lines values, return_values;
  char *args, *arg1;
  char *args, *arg1;
  int i;
  int i;
  char *prompt;
  char *prompt;
  char *symname;
  char *symname;
  struct cleanup *old_chain;
  struct cleanup *old_chain;
  char **canonical_arr = (char **) NULL;
  char **canonical_arr = (char **) NULL;
 
 
  values.sals = (struct symtab_and_line *)
  values.sals = (struct symtab_and_line *)
    alloca (nelts * sizeof (struct symtab_and_line));
    alloca (nelts * sizeof (struct symtab_and_line));
  return_values.sals = (struct symtab_and_line *)
  return_values.sals = (struct symtab_and_line *)
    xmalloc (nelts * sizeof (struct symtab_and_line));
    xmalloc (nelts * sizeof (struct symtab_and_line));
  old_chain = make_cleanup (xfree, return_values.sals);
  old_chain = make_cleanup (xfree, return_values.sals);
 
 
  if (canonical)
  if (canonical)
    {
    {
      canonical_arr = (char **) xmalloc (nelts * sizeof (char *));
      canonical_arr = (char **) xmalloc (nelts * sizeof (char *));
      make_cleanup (xfree, canonical_arr);
      make_cleanup (xfree, canonical_arr);
      memset (canonical_arr, 0, nelts * sizeof (char *));
      memset (canonical_arr, 0, nelts * sizeof (char *));
      *canonical = canonical_arr;
      *canonical = canonical_arr;
    }
    }
 
 
  i = 0;
  i = 0;
  printf_unfiltered ("[0] cancel\n[1] all\n");
  printf_unfiltered ("[0] cancel\n[1] all\n");
  while (i < nelts)
  while (i < nelts)
    {
    {
      INIT_SAL (&return_values.sals[i]);        /* initialize to zeroes */
      INIT_SAL (&return_values.sals[i]);        /* initialize to zeroes */
      INIT_SAL (&values.sals[i]);
      INIT_SAL (&values.sals[i]);
      if (sym_arr[i] && SYMBOL_CLASS (sym_arr[i]) == LOC_BLOCK)
      if (sym_arr[i] && SYMBOL_CLASS (sym_arr[i]) == LOC_BLOCK)
        {
        {
          values.sals[i] = find_function_start_sal (sym_arr[i], funfirstline);
          values.sals[i] = find_function_start_sal (sym_arr[i], funfirstline);
          printf_unfiltered ("[%d] %s at %s:%d\n",
          printf_unfiltered ("[%d] %s at %s:%d\n",
                             (i + 2),
                             (i + 2),
                             SYMBOL_SOURCE_NAME (sym_arr[i]),
                             SYMBOL_SOURCE_NAME (sym_arr[i]),
                             values.sals[i].symtab->filename,
                             values.sals[i].symtab->filename,
                             values.sals[i].line);
                             values.sals[i].line);
        }
        }
      else
      else
        printf_unfiltered ("?HERE\n");
        printf_unfiltered ("?HERE\n");
      i++;
      i++;
    }
    }
 
 
  if ((prompt = getenv ("PS2")) == NULL)
  if ((prompt = getenv ("PS2")) == NULL)
    {
    {
      prompt = "> ";
      prompt = "> ";
    }
    }
  args = command_line_input (prompt, 0, "overload-choice");
  args = command_line_input (prompt, 0, "overload-choice");
 
 
  if (args == 0 || *args == 0)
  if (args == 0 || *args == 0)
    error_no_arg ("one or more choice numbers");
    error_no_arg ("one or more choice numbers");
 
 
  i = 0;
  i = 0;
  while (*args)
  while (*args)
    {
    {
      int num;
      int num;
 
 
      arg1 = args;
      arg1 = args;
      while (*arg1 >= '0' && *arg1 <= '9')
      while (*arg1 >= '0' && *arg1 <= '9')
        arg1++;
        arg1++;
      if (*arg1 && *arg1 != ' ' && *arg1 != '\t')
      if (*arg1 && *arg1 != ' ' && *arg1 != '\t')
        error ("Arguments must be choice numbers.");
        error ("Arguments must be choice numbers.");
 
 
      num = atoi (args);
      num = atoi (args);
 
 
      if (num == 0)
      if (num == 0)
        error ("canceled");
        error ("canceled");
      else if (num == 1)
      else if (num == 1)
        {
        {
          if (canonical_arr)
          if (canonical_arr)
            {
            {
              for (i = 0; i < nelts; i++)
              for (i = 0; i < nelts; i++)
                {
                {
                  if (canonical_arr[i] == NULL)
                  if (canonical_arr[i] == NULL)
                    {
                    {
                      symname = SYMBOL_NAME (sym_arr[i]);
                      symname = SYMBOL_NAME (sym_arr[i]);
                      canonical_arr[i] = savestring (symname, strlen (symname));
                      canonical_arr[i] = savestring (symname, strlen (symname));
                    }
                    }
                }
                }
            }
            }
          memcpy (return_values.sals, values.sals,
          memcpy (return_values.sals, values.sals,
                  (nelts * sizeof (struct symtab_and_line)));
                  (nelts * sizeof (struct symtab_and_line)));
          return_values.nelts = nelts;
          return_values.nelts = nelts;
          discard_cleanups (old_chain);
          discard_cleanups (old_chain);
          return return_values;
          return return_values;
        }
        }
 
 
      if (num >= nelts + 2)
      if (num >= nelts + 2)
        {
        {
          printf_unfiltered ("No choice number %d.\n", num);
          printf_unfiltered ("No choice number %d.\n", num);
        }
        }
      else
      else
        {
        {
          num -= 2;
          num -= 2;
          if (values.sals[num].pc)
          if (values.sals[num].pc)
            {
            {
              if (canonical_arr)
              if (canonical_arr)
                {
                {
                  symname = SYMBOL_NAME (sym_arr[num]);
                  symname = SYMBOL_NAME (sym_arr[num]);
                  make_cleanup (xfree, symname);
                  make_cleanup (xfree, symname);
                  canonical_arr[i] = savestring (symname, strlen (symname));
                  canonical_arr[i] = savestring (symname, strlen (symname));
                }
                }
              return_values.sals[i++] = values.sals[num];
              return_values.sals[i++] = values.sals[num];
              values.sals[num].pc = 0;
              values.sals[num].pc = 0;
            }
            }
          else
          else
            {
            {
              printf_unfiltered ("duplicate request for %d ignored.\n", num);
              printf_unfiltered ("duplicate request for %d ignored.\n", num);
            }
            }
        }
        }
 
 
      args = arg1;
      args = arg1;
      while (*args == ' ' || *args == '\t')
      while (*args == ' ' || *args == '\t')
        args++;
        args++;
    }
    }
  return_values.nelts = i;
  return_values.nelts = i;
  discard_cleanups (old_chain);
  discard_cleanups (old_chain);
  return return_values;
  return return_values;
}
}


/* The parser of linespec itself. */
/* The parser of linespec itself. */
 
 
/* Parse a string that specifies a line number.
/* Parse a string that specifies a line number.
   Pass the address of a char * variable; that variable will be
   Pass the address of a char * variable; that variable will be
   advanced over the characters actually parsed.
   advanced over the characters actually parsed.
 
 
   The string can be:
   The string can be:
 
 
   LINENUM -- that line number in current file.  PC returned is 0.
   LINENUM -- that line number in current file.  PC returned is 0.
   FILE:LINENUM -- that line in that file.  PC returned is 0.
   FILE:LINENUM -- that line in that file.  PC returned is 0.
   FUNCTION -- line number of openbrace of that function.
   FUNCTION -- line number of openbrace of that function.
   PC returned is the start of the function.
   PC returned is the start of the function.
   VARIABLE -- line number of definition of that variable.
   VARIABLE -- line number of definition of that variable.
   PC returned is 0.
   PC returned is 0.
   FILE:FUNCTION -- likewise, but prefer functions in that file.
   FILE:FUNCTION -- likewise, but prefer functions in that file.
   *EXPR -- line in which address EXPR appears.
   *EXPR -- line in which address EXPR appears.
 
 
   This may all be followed by an "if EXPR", which we ignore.
   This may all be followed by an "if EXPR", which we ignore.
 
 
   FUNCTION may be an undebuggable function found in minimal symbol table.
   FUNCTION may be an undebuggable function found in minimal symbol table.
 
 
   If the argument FUNFIRSTLINE is nonzero, we want the first line
   If the argument FUNFIRSTLINE is nonzero, we want the first line
   of real code inside a function when a function is specified, and it is
   of real code inside a function when a function is specified, and it is
   not OK to specify a variable or type to get its line number.
   not OK to specify a variable or type to get its line number.
 
 
   DEFAULT_SYMTAB specifies the file to use if none is specified.
   DEFAULT_SYMTAB specifies the file to use if none is specified.
   It defaults to current_source_symtab.
   It defaults to current_source_symtab.
   DEFAULT_LINE specifies the line number to use for relative
   DEFAULT_LINE specifies the line number to use for relative
   line numbers (that start with signs).  Defaults to current_source_line.
   line numbers (that start with signs).  Defaults to current_source_line.
   If CANONICAL is non-NULL, store an array of strings containing the canonical
   If CANONICAL is non-NULL, store an array of strings containing the canonical
   line specs there if necessary. Currently overloaded member functions and
   line specs there if necessary. Currently overloaded member functions and
   line numbers or static functions without a filename yield a canonical
   line numbers or static functions without a filename yield a canonical
   line spec. The array and the line spec strings are allocated on the heap,
   line spec. The array and the line spec strings are allocated on the heap,
   it is the callers responsibility to free them.
   it is the callers responsibility to free them.
 
 
   Note that it is possible to return zero for the symtab
   Note that it is possible to return zero for the symtab
   if no file is validly specified.  Callers must check that.
   if no file is validly specified.  Callers must check that.
   Also, the line number returned may be invalid.  */
   Also, the line number returned may be invalid.  */
 
 
/* We allow single quotes in various places.  This is a hideous
/* We allow single quotes in various places.  This is a hideous
   kludge, which exists because the completer can't yet deal with the
   kludge, which exists because the completer can't yet deal with the
   lack of single quotes.  FIXME: write a linespec_completer which we
   lack of single quotes.  FIXME: write a linespec_completer which we
   can use as appropriate instead of make_symbol_completion_list.  */
   can use as appropriate instead of make_symbol_completion_list.  */
 
 
struct symtabs_and_lines
struct symtabs_and_lines
decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
decode_line_1 (char **argptr, int funfirstline, struct symtab *default_symtab,
               int default_line, char ***canonical)
               int default_line, char ***canonical)
{
{
  struct symtabs_and_lines values;
  struct symtabs_and_lines values;
  struct symtab_and_line val;
  struct symtab_and_line val;
  register char *p, *p1;
  register char *p, *p1;
  char *q, *pp, *ii, *p2;
  char *q, *pp, *ii, *p2;
#if 0
#if 0
  char *q1;
  char *q1;
#endif
#endif
  register struct symtab *s;
  register struct symtab *s;
 
 
  register struct symbol *sym;
  register struct symbol *sym;
  /* The symtab that SYM was found in.  */
  /* The symtab that SYM was found in.  */
  struct symtab *sym_symtab;
  struct symtab *sym_symtab;
 
 
  register CORE_ADDR pc;
  register CORE_ADDR pc;
  register struct minimal_symbol *msymbol;
  register struct minimal_symbol *msymbol;
  char *copy;
  char *copy;
  struct symbol *sym_class;
  struct symbol *sym_class;
  int i1;
  int i1;
  int is_quoted;
  int is_quoted;
  int is_quote_enclosed;
  int is_quote_enclosed;
  int has_parens;
  int has_parens;
  int has_if = 0;
  int has_if = 0;
  int has_comma = 0;
  int has_comma = 0;
  struct symbol **sym_arr;
  struct symbol **sym_arr;
  struct type *t;
  struct type *t;
  char *saved_arg = *argptr;
  char *saved_arg = *argptr;
  extern char *gdb_completer_quote_characters;
  extern char *gdb_completer_quote_characters;
 
 
  INIT_SAL (&val);              /* initialize to zeroes */
  INIT_SAL (&val);              /* initialize to zeroes */
 
 
  /* Defaults have defaults.  */
  /* Defaults have defaults.  */
 
 
  if (default_symtab == 0)
  if (default_symtab == 0)
    {
    {
      default_symtab = current_source_symtab;
      default_symtab = current_source_symtab;
      default_line = current_source_line;
      default_line = current_source_line;
    }
    }
 
 
  /* See if arg is *PC */
  /* See if arg is *PC */
 
 
  if (**argptr == '*')
  if (**argptr == '*')
    {
    {
      (*argptr)++;
      (*argptr)++;
      pc = parse_and_eval_address_1 (argptr);
      pc = parse_and_eval_address_1 (argptr);
 
 
      values.sals = (struct symtab_and_line *)
      values.sals = (struct symtab_and_line *)
        xmalloc (sizeof (struct symtab_and_line));
        xmalloc (sizeof (struct symtab_and_line));
 
 
      values.nelts = 1;
      values.nelts = 1;
      values.sals[0] = find_pc_line (pc, 0);
      values.sals[0] = find_pc_line (pc, 0);
      values.sals[0].pc = pc;
      values.sals[0].pc = pc;
      values.sals[0].section = find_pc_overlay (pc);
      values.sals[0].section = find_pc_overlay (pc);
 
 
      return values;
      return values;
    }
    }
 
 
  /* 'has_if' is for the syntax:
  /* 'has_if' is for the syntax:
   *     (gdb) break foo if (a==b)
   *     (gdb) break foo if (a==b)
   */
   */
  if ((ii = strstr (*argptr, " if ")) != NULL ||
  if ((ii = strstr (*argptr, " if ")) != NULL ||
      (ii = strstr (*argptr, "\tif ")) != NULL ||
      (ii = strstr (*argptr, "\tif ")) != NULL ||
      (ii = strstr (*argptr, " if\t")) != NULL ||
      (ii = strstr (*argptr, " if\t")) != NULL ||
      (ii = strstr (*argptr, "\tif\t")) != NULL ||
      (ii = strstr (*argptr, "\tif\t")) != NULL ||
      (ii = strstr (*argptr, " if(")) != NULL ||
      (ii = strstr (*argptr, " if(")) != NULL ||
      (ii = strstr (*argptr, "\tif( ")) != NULL)
      (ii = strstr (*argptr, "\tif( ")) != NULL)
    has_if = 1;
    has_if = 1;
  /* Temporarily zap out "if (condition)" to not
  /* Temporarily zap out "if (condition)" to not
   * confuse the parenthesis-checking code below.
   * confuse the parenthesis-checking code below.
   * This is undone below. Do not change ii!!
   * This is undone below. Do not change ii!!
   */
   */
  if (has_if)
  if (has_if)
    {
    {
      *ii = '\0';
      *ii = '\0';
    }
    }
 
 
  /* Set various flags.
  /* Set various flags.
   * 'has_parens' is important for overload checking, where
   * 'has_parens' is important for overload checking, where
   * we allow things like:
   * we allow things like:
   *     (gdb) break c::f(int)
   *     (gdb) break c::f(int)
   */
   */
 
 
  /* Maybe arg is FILE : LINENUM or FILE : FUNCTION */
  /* Maybe arg is FILE : LINENUM or FILE : FUNCTION */
 
 
  is_quoted = (**argptr
  is_quoted = (**argptr
               && strchr (get_gdb_completer_quote_characters (),
               && strchr (get_gdb_completer_quote_characters (),
                          **argptr) != NULL);
                          **argptr) != NULL);
 
 
  has_parens = ((pp = strchr (*argptr, '(')) != NULL
  has_parens = ((pp = strchr (*argptr, '(')) != NULL
                && (pp = strrchr (pp, ')')) != NULL);
                && (pp = strrchr (pp, ')')) != NULL);
 
 
  /* Now that we're safely past the has_parens check,
  /* Now that we're safely past the has_parens check,
   * put back " if (condition)" so outer layers can see it
   * put back " if (condition)" so outer layers can see it
   */
   */
  if (has_if)
  if (has_if)
    *ii = ' ';
    *ii = ' ';
 
 
  /* Maybe we were called with a line range FILENAME:LINENUM,FILENAME:LINENUM
  /* Maybe we were called with a line range FILENAME:LINENUM,FILENAME:LINENUM
     and we must isolate the first half.  Outer layers will call again later
     and we must isolate the first half.  Outer layers will call again later
     for the second half.
     for the second half.
 
 
     Don't count commas that appear in argument lists of overloaded
     Don't count commas that appear in argument lists of overloaded
     functions, or in quoted strings.  It's stupid to go to this much
     functions, or in quoted strings.  It's stupid to go to this much
     trouble when the rest of the function is such an obvious roach hotel.  */
     trouble when the rest of the function is such an obvious roach hotel.  */
  ii = find_toplevel_char (*argptr, ',');
  ii = find_toplevel_char (*argptr, ',');
  has_comma = (ii != 0);
  has_comma = (ii != 0);
 
 
  /* Temporarily zap out second half to not
  /* Temporarily zap out second half to not
   * confuse the code below.
   * confuse the code below.
   * This is undone below. Do not change ii!!
   * This is undone below. Do not change ii!!
   */
   */
  if (has_comma)
  if (has_comma)
    {
    {
      *ii = '\0';
      *ii = '\0';
    }
    }
 
 
  /* Maybe arg is FILE : LINENUM or FILE : FUNCTION */
  /* Maybe arg is FILE : LINENUM or FILE : FUNCTION */
  /* May also be CLASS::MEMBER, or NAMESPACE::NAME */
  /* May also be CLASS::MEMBER, or NAMESPACE::NAME */
  /* Look for ':', but ignore inside of <> */
  /* Look for ':', but ignore inside of <> */
 
 
  s = NULL;
  s = NULL;
  p = *argptr;
  p = *argptr;
  if (p[0] == '"')
  if (p[0] == '"')
    {
    {
      is_quote_enclosed = 1;
      is_quote_enclosed = 1;
      (*argptr)++;
      (*argptr)++;
      p++;
      p++;
    }
    }
  else
  else
    is_quote_enclosed = 0;
    is_quote_enclosed = 0;
  for (; *p; p++)
  for (; *p; p++)
    {
    {
      if (p[0] == '<')
      if (p[0] == '<')
        {
        {
          char *temp_end = find_template_name_end (p);
          char *temp_end = find_template_name_end (p);
          if (!temp_end)
          if (!temp_end)
            error ("malformed template specification in command");
            error ("malformed template specification in command");
          p = temp_end;
          p = temp_end;
        }
        }
      /* Check for the end of the first half of the linespec.  End of line,
      /* Check for the end of the first half of the linespec.  End of line,
         a tab, a double colon or the last single colon, or a space.  But
         a tab, a double colon or the last single colon, or a space.  But
         if enclosed in double quotes we do not break on enclosed spaces */
         if enclosed in double quotes we do not break on enclosed spaces */
      if (!*p
      if (!*p
          || p[0] == '\t'
          || p[0] == '\t'
          || ((p[0] == ':')
          || ((p[0] == ':')
              && ((p[1] == ':') || (strchr (p + 1, ':') == NULL)))
              && ((p[1] == ':') || (strchr (p + 1, ':') == NULL)))
          || ((p[0] == ' ') && !is_quote_enclosed))
          || ((p[0] == ' ') && !is_quote_enclosed))
        break;
        break;
      if (p[0] == '.' && strchr (p, ':') == NULL)        /* Java qualified method. */
      if (p[0] == '.' && strchr (p, ':') == NULL)        /* Java qualified method. */
        {
        {
          /* Find the *last* '.', since the others are package qualifiers. */
          /* Find the *last* '.', since the others are package qualifiers. */
          for (p1 = p; *p1; p1++)
          for (p1 = p; *p1; p1++)
            {
            {
              if (*p1 == '.')
              if (*p1 == '.')
                p = p1;
                p = p1;
            }
            }
          break;
          break;
        }
        }
    }
    }
  while (p[0] == ' ' || p[0] == '\t')
  while (p[0] == ' ' || p[0] == '\t')
    p++;
    p++;
 
 
  /* if the closing double quote was left at the end, remove it */
  /* if the closing double quote was left at the end, remove it */
  if (is_quote_enclosed)
  if (is_quote_enclosed)
    {
    {
      char *closing_quote = strchr (p - 1, '"');
      char *closing_quote = strchr (p - 1, '"');
      if (closing_quote && closing_quote[1] == '\0')
      if (closing_quote && closing_quote[1] == '\0')
        *closing_quote = '\0';
        *closing_quote = '\0';
    }
    }
 
 
  /* Now that we've safely parsed the first half,
  /* Now that we've safely parsed the first half,
   * put back ',' so outer layers can see it
   * put back ',' so outer layers can see it
   */
   */
  if (has_comma)
  if (has_comma)
    *ii = ',';
    *ii = ',';
 
 
  if ((p[0] == ':' || p[0] == '.') && !has_parens)
  if ((p[0] == ':' || p[0] == '.') && !has_parens)
    {
    {
      /*  C++ */
      /*  C++ */
      /*  ... or Java */
      /*  ... or Java */
      if (is_quoted)
      if (is_quoted)
        *argptr = *argptr + 1;
        *argptr = *argptr + 1;
      if (p[0] == '.' || p[1] == ':')
      if (p[0] == '.' || p[1] == ':')
        {
        {
          char *saved_arg2 = *argptr;
          char *saved_arg2 = *argptr;
          char *temp_end;
          char *temp_end;
          /* First check for "global" namespace specification,
          /* First check for "global" namespace specification,
             of the form "::foo". If found, skip over the colons
             of the form "::foo". If found, skip over the colons
             and jump to normal symbol processing */
             and jump to normal symbol processing */
          if (p[0] == ':'
          if (p[0] == ':'
              && ((*argptr == p) || (p[-1] == ' ') || (p[-1] == '\t')))
              && ((*argptr == p) || (p[-1] == ' ') || (p[-1] == '\t')))
            saved_arg2 += 2;
            saved_arg2 += 2;
 
 
          /* We have what looks like a class or namespace
          /* We have what looks like a class or namespace
             scope specification (A::B), possibly with many
             scope specification (A::B), possibly with many
             levels of namespaces or classes (A::B::C::D).
             levels of namespaces or classes (A::B::C::D).
 
 
             Some versions of the HP ANSI C++ compiler (as also possibly
             Some versions of the HP ANSI C++ compiler (as also possibly
             other compilers) generate class/function/member names with
             other compilers) generate class/function/member names with
             embedded double-colons if they are inside namespaces. To
             embedded double-colons if they are inside namespaces. To
             handle this, we loop a few times, considering larger and
             handle this, we loop a few times, considering larger and
             larger prefixes of the string as though they were single
             larger prefixes of the string as though they were single
             symbols.  So, if the initially supplied string is
             symbols.  So, if the initially supplied string is
             A::B::C::D::foo, we have to look up "A", then "A::B",
             A::B::C::D::foo, we have to look up "A", then "A::B",
             then "A::B::C", then "A::B::C::D", and finally
             then "A::B::C", then "A::B::C::D", and finally
             "A::B::C::D::foo" as single, monolithic symbols, because
             "A::B::C::D::foo" as single, monolithic symbols, because
             A, B, C or D may be namespaces.
             A, B, C or D may be namespaces.
 
 
             Note that namespaces can nest only inside other
             Note that namespaces can nest only inside other
             namespaces, and not inside classes.  So we need only
             namespaces, and not inside classes.  So we need only
             consider *prefixes* of the string; there is no need to look up
             consider *prefixes* of the string; there is no need to look up
             "B::C" separately as a symbol in the previous example. */
             "B::C" separately as a symbol in the previous example. */
 
 
          p2 = p;               /* save for restart */
          p2 = p;               /* save for restart */
          while (1)
          while (1)
            {
            {
              /* Extract the class name.  */
              /* Extract the class name.  */
              p1 = p;
              p1 = p;
              while (p != *argptr && p[-1] == ' ')
              while (p != *argptr && p[-1] == ' ')
                --p;
                --p;
              copy = (char *) alloca (p - *argptr + 1);
              copy = (char *) alloca (p - *argptr + 1);
              memcpy (copy, *argptr, p - *argptr);
              memcpy (copy, *argptr, p - *argptr);
              copy[p - *argptr] = 0;
              copy[p - *argptr] = 0;
 
 
              /* Discard the class name from the arg.  */
              /* Discard the class name from the arg.  */
              p = p1 + (p1[0] == ':' ? 2 : 1);
              p = p1 + (p1[0] == ':' ? 2 : 1);
              while (*p == ' ' || *p == '\t')
              while (*p == ' ' || *p == '\t')
                p++;
                p++;
              *argptr = p;
              *argptr = p;
 
 
              sym_class = lookup_symbol (copy, 0, STRUCT_NAMESPACE, 0,
              sym_class = lookup_symbol (copy, 0, STRUCT_NAMESPACE, 0,
                                         (struct symtab **) NULL);
                                         (struct symtab **) NULL);
 
 
              if (sym_class &&
              if (sym_class &&
                  (t = check_typedef (SYMBOL_TYPE (sym_class)),
                  (t = check_typedef (SYMBOL_TYPE (sym_class)),
                   (TYPE_CODE (t) == TYPE_CODE_STRUCT
                   (TYPE_CODE (t) == TYPE_CODE_STRUCT
                    || TYPE_CODE (t) == TYPE_CODE_UNION)))
                    || TYPE_CODE (t) == TYPE_CODE_UNION)))
                {
                {
                  /* Arg token is not digits => try it as a function name
                  /* Arg token is not digits => try it as a function name
                     Find the next token(everything up to end or next blank). */
                     Find the next token(everything up to end or next blank). */
                  if (**argptr
                  if (**argptr
                      && strchr (get_gdb_completer_quote_characters (),
                      && strchr (get_gdb_completer_quote_characters (),
                                 **argptr) != NULL)
                                 **argptr) != NULL)
                    {
                    {
                      p = skip_quoted (*argptr);
                      p = skip_quoted (*argptr);
                      *argptr = *argptr + 1;
                      *argptr = *argptr + 1;
                    }
                    }
                  else
                  else
                    {
                    {
                      p = *argptr;
                      p = *argptr;
                      while (*p && *p != ' ' && *p != '\t' && *p != ',' && *p != ':')
                      while (*p && *p != ' ' && *p != '\t' && *p != ',' && *p != ':')
                        p++;
                        p++;
                    }
                    }
/*
/*
   q = operator_chars (*argptr, &q1);
   q = operator_chars (*argptr, &q1);
   if (q1 - q)
   if (q1 - q)
   {
   {
   char *opname;
   char *opname;
   char *tmp = alloca (q1 - q + 1);
   char *tmp = alloca (q1 - q + 1);
   memcpy (tmp, q, q1 - q);
   memcpy (tmp, q, q1 - q);
   tmp[q1 - q] = '\0';
   tmp[q1 - q] = '\0';
   opname = cplus_mangle_opname (tmp, DMGL_ANSI);
   opname = cplus_mangle_opname (tmp, DMGL_ANSI);
   if (opname == NULL)
   if (opname == NULL)
   {
   {
   error_begin ();
   error_begin ();
   printf_filtered ("no mangling for \"%s\"\n", tmp);
   printf_filtered ("no mangling for \"%s\"\n", tmp);
   cplusplus_hint (saved_arg);
   cplusplus_hint (saved_arg);
   return_to_top_level (RETURN_ERROR);
   return_to_top_level (RETURN_ERROR);
   }
   }
   copy = (char*) alloca (3 + strlen(opname));
   copy = (char*) alloca (3 + strlen(opname));
   sprintf (copy, "__%s", opname);
   sprintf (copy, "__%s", opname);
   p = q1;
   p = q1;
   }
   }
   else
   else
 */
 */
                  {
                  {
                    copy = (char *) alloca (p - *argptr + 1);
                    copy = (char *) alloca (p - *argptr + 1);
                    memcpy (copy, *argptr, p - *argptr);
                    memcpy (copy, *argptr, p - *argptr);
                    copy[p - *argptr] = '\0';
                    copy[p - *argptr] = '\0';
                    if (p != *argptr
                    if (p != *argptr
                        && copy[p - *argptr - 1]
                        && copy[p - *argptr - 1]
                        && strchr (get_gdb_completer_quote_characters (),
                        && strchr (get_gdb_completer_quote_characters (),
                                   copy[p - *argptr - 1]) != NULL)
                                   copy[p - *argptr - 1]) != NULL)
                      copy[p - *argptr - 1] = '\0';
                      copy[p - *argptr - 1] = '\0';
                  }
                  }
 
 
                  /* no line number may be specified */
                  /* no line number may be specified */
                  while (*p == ' ' || *p == '\t')
                  while (*p == ' ' || *p == '\t')
                    p++;
                    p++;
                  *argptr = p;
                  *argptr = p;
 
 
                  sym = 0;
                  sym = 0;
                  i1 = 0;        /*  counter for the symbol array */
                  i1 = 0;        /*  counter for the symbol array */
                  sym_arr = (struct symbol **) alloca (total_number_of_methods (t)
                  sym_arr = (struct symbol **) alloca (total_number_of_methods (t)
                                                * sizeof (struct symbol *));
                                                * sizeof (struct symbol *));
 
 
                  if (destructor_name_p (copy, t))
                  if (destructor_name_p (copy, t))
                    {
                    {
                      /* Destructors are a special case.  */
                      /* Destructors are a special case.  */
                      int m_index, f_index;
                      int m_index, f_index;
 
 
                      if (get_destructor_fn_field (t, &m_index, &f_index))
                      if (get_destructor_fn_field (t, &m_index, &f_index))
                        {
                        {
                          struct fn_field *f = TYPE_FN_FIELDLIST1 (t, m_index);
                          struct fn_field *f = TYPE_FN_FIELDLIST1 (t, m_index);
 
 
                          sym_arr[i1] =
                          sym_arr[i1] =
                            lookup_symbol (TYPE_FN_FIELD_PHYSNAME (f, f_index),
                            lookup_symbol (TYPE_FN_FIELD_PHYSNAME (f, f_index),
                                           NULL, VAR_NAMESPACE, (int *) NULL,
                                           NULL, VAR_NAMESPACE, (int *) NULL,
                                           (struct symtab **) NULL);
                                           (struct symtab **) NULL);
                          if (sym_arr[i1])
                          if (sym_arr[i1])
                            i1++;
                            i1++;
                        }
                        }
                    }
                    }
                  else
                  else
                    i1 = find_methods (t, copy, sym_arr);
                    i1 = find_methods (t, copy, sym_arr);
                  if (i1 == 1)
                  if (i1 == 1)
                    {
                    {
                      /* There is exactly one field with that name.  */
                      /* There is exactly one field with that name.  */
                      sym = sym_arr[0];
                      sym = sym_arr[0];
 
 
                      if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
                      if (sym && SYMBOL_CLASS (sym) == LOC_BLOCK)
                        {
                        {
                          values.sals = (struct symtab_and_line *)
                          values.sals = (struct symtab_and_line *)
                            xmalloc (sizeof (struct symtab_and_line));
                            xmalloc (sizeof (struct symtab_and_line));
                          values.nelts = 1;
                          values.nelts = 1;
                          values.sals[0] = find_function_start_sal (sym,
                          values.sals[0] = find_function_start_sal (sym,
                                                              funfirstline);
                                                              funfirstline);
                        }
                        }
                      else
                      else
                        {
                        {
                          values.nelts = 0;
                          values.nelts = 0;
                        }
                        }
                      return values;
                      return values;
                    }
                    }
                  if (i1 > 0)
                  if (i1 > 0)
                    {
                    {
                      /* There is more than one field with that name
                      /* There is more than one field with that name
                         (overloaded).  Ask the user which one to use.  */
                         (overloaded).  Ask the user which one to use.  */
                      return decode_line_2 (sym_arr, i1, funfirstline, canonical);
                      return decode_line_2 (sym_arr, i1, funfirstline, canonical);
                    }
                    }
                  else
                  else
                    {
                    {
                      char *tmp;
                      char *tmp;
 
 
                      if (is_operator_name (copy))
                      if (is_operator_name (copy))
                        {
                        {
                          tmp = (char *) alloca (strlen (copy + 3) + 9);
                          tmp = (char *) alloca (strlen (copy + 3) + 9);
                          strcpy (tmp, "operator ");
                          strcpy (tmp, "operator ");
                          strcat (tmp, copy + 3);
                          strcat (tmp, copy + 3);
                        }
                        }
                      else
                      else
                        tmp = copy;
                        tmp = copy;
                      error_begin ();
                      error_begin ();
                      if (tmp[0] == '~')
                      if (tmp[0] == '~')
                        printf_filtered
                        printf_filtered
                          ("the class `%s' does not have destructor defined\n",
                          ("the class `%s' does not have destructor defined\n",
                           SYMBOL_SOURCE_NAME (sym_class));
                           SYMBOL_SOURCE_NAME (sym_class));
                      else
                      else
                        printf_filtered
                        printf_filtered
                          ("the class %s does not have any method named %s\n",
                          ("the class %s does not have any method named %s\n",
                           SYMBOL_SOURCE_NAME (sym_class), tmp);
                           SYMBOL_SOURCE_NAME (sym_class), tmp);
                      cplusplus_hint (saved_arg);
                      cplusplus_hint (saved_arg);
                      return_to_top_level (RETURN_ERROR);
                      return_to_top_level (RETURN_ERROR);
                    }
                    }
                }
                }
 
 
              /* Move pointer up to next possible class/namespace token */
              /* Move pointer up to next possible class/namespace token */
              p = p2 + 1;       /* restart with old value +1 */
              p = p2 + 1;       /* restart with old value +1 */
              /* Move pointer ahead to next double-colon */
              /* Move pointer ahead to next double-colon */
              while (*p && (p[0] != ' ') && (p[0] != '\t') && (p[0] != '\''))
              while (*p && (p[0] != ' ') && (p[0] != '\t') && (p[0] != '\''))
                {
                {
                  if (p[0] == '<')
                  if (p[0] == '<')
                    {
                    {
                      temp_end = find_template_name_end (p);
                      temp_end = find_template_name_end (p);
                      if (!temp_end)
                      if (!temp_end)
                        error ("malformed template specification in command");
                        error ("malformed template specification in command");
                      p = temp_end;
                      p = temp_end;
                    }
                    }
                  else if ((p[0] == ':') && (p[1] == ':'))
                  else if ((p[0] == ':') && (p[1] == ':'))
                    break;      /* found double-colon */
                    break;      /* found double-colon */
                  else
                  else
                    p++;
                    p++;
                }
                }
 
 
              if (*p != ':')
              if (*p != ':')
                break;          /* out of the while (1) */
                break;          /* out of the while (1) */
 
 
              p2 = p;           /* save restart for next time around */
              p2 = p;           /* save restart for next time around */
              *argptr = saved_arg2;     /* restore argptr */
              *argptr = saved_arg2;     /* restore argptr */
            }                   /* while (1) */
            }                   /* while (1) */
 
 
          /* Last chance attempt -- check entire name as a symbol */
          /* Last chance attempt -- check entire name as a symbol */
          /* Use "copy" in preparation for jumping out of this block,
          /* Use "copy" in preparation for jumping out of this block,
             to be consistent with usage following the jump target */
             to be consistent with usage following the jump target */
          copy = (char *) alloca (p - saved_arg2 + 1);
          copy = (char *) alloca (p - saved_arg2 + 1);
          memcpy (copy, saved_arg2, p - saved_arg2);
          memcpy (copy, saved_arg2, p - saved_arg2);
          /* Note: if is_quoted should be true, we snuff out quote here anyway */
          /* Note: if is_quoted should be true, we snuff out quote here anyway */
          copy[p - saved_arg2] = '\000';
          copy[p - saved_arg2] = '\000';
          /* Set argptr to skip over the name */
          /* Set argptr to skip over the name */
          *argptr = (*p == '\'') ? p + 1 : p;
          *argptr = (*p == '\'') ? p + 1 : p;
          /* Look up entire name */
          /* Look up entire name */
          sym = lookup_symbol (copy, 0, VAR_NAMESPACE, 0, &sym_symtab);
          sym = lookup_symbol (copy, 0, VAR_NAMESPACE, 0, &sym_symtab);
          s = (struct symtab *) 0;
          s = (struct symtab *) 0;
          /* Prepare to jump: restore the " if (condition)" so outer layers see it */
          /* Prepare to jump: restore the " if (condition)" so outer layers see it */
          /* Symbol was found --> jump to normal symbol processing.
          /* Symbol was found --> jump to normal symbol processing.
             Code following "symbol_found" expects "copy" to have the
             Code following "symbol_found" expects "copy" to have the
             symbol name, "sym" to have the symbol pointer, "s" to be
             symbol name, "sym" to have the symbol pointer, "s" to be
             a specified file's symtab, and sym_symtab to be the symbol's
             a specified file's symtab, and sym_symtab to be the symbol's
             symtab. */
             symtab. */
          /* By jumping there we avoid falling through the FILE:LINE and
          /* By jumping there we avoid falling through the FILE:LINE and
             FILE:FUNC processing stuff below */
             FILE:FUNC processing stuff below */
          if (sym)
          if (sym)
            goto symbol_found;
            goto symbol_found;
 
 
          /* Couldn't find any interpretation as classes/namespaces, so give up */
          /* Couldn't find any interpretation as classes/namespaces, so give up */
          error_begin ();
          error_begin ();
          /* The quotes are important if copy is empty.  */
          /* The quotes are important if copy is empty.  */
          printf_filtered
          printf_filtered
            ("Can't find member of namespace, class, struct, or union named \"%s\"\n", copy);
            ("Can't find member of namespace, class, struct, or union named \"%s\"\n", copy);
          cplusplus_hint (saved_arg);
          cplusplus_hint (saved_arg);
          return_to_top_level (RETURN_ERROR);
          return_to_top_level (RETURN_ERROR);
        }
        }
      /*  end of C++  */
      /*  end of C++  */
 
 
 
 
      /* Extract the file name.  */
      /* Extract the file name.  */
      p1 = p;
      p1 = p;
      while (p != *argptr && p[-1] == ' ')
      while (p != *argptr && p[-1] == ' ')
        --p;
        --p;
      if ((*p == '"') && is_quote_enclosed)
      if ((*p == '"') && is_quote_enclosed)
        --p;
        --p;
      copy = (char *) alloca (p - *argptr + 1);
      copy = (char *) alloca (p - *argptr + 1);
      if ((**argptr == '"') && is_quote_enclosed)
      if ((**argptr == '"') && is_quote_enclosed)
        {
        {
          memcpy (copy, *argptr + 1, p - *argptr - 1);
          memcpy (copy, *argptr + 1, p - *argptr - 1);
          /* It may have the ending quote right after the file name */
          /* It may have the ending quote right after the file name */
          if (copy[p - *argptr - 2] == '"')
          if (copy[p - *argptr - 2] == '"')
            copy[p - *argptr - 2] = 0;
            copy[p - *argptr - 2] = 0;
          else
          else
            copy[p - *argptr - 1] = 0;
            copy[p - *argptr - 1] = 0;
        }
        }
      else
      else
        {
        {
          memcpy (copy, *argptr, p - *argptr);
          memcpy (copy, *argptr, p - *argptr);
          copy[p - *argptr] = 0;
          copy[p - *argptr] = 0;
        }
        }
 
 
      /* Find that file's data.  */
      /* Find that file's data.  */
      s = lookup_symtab (copy);
      s = lookup_symtab (copy);
      if (s == 0)
      if (s == 0)
        {
        {
          if (!have_full_symbols () && !have_partial_symbols ())
          if (!have_full_symbols () && !have_partial_symbols ())
            error ("No symbol table is loaded.  Use the \"file\" command.");
            error ("No symbol table is loaded.  Use the \"file\" command.");
          error ("No source file named %s.", copy);
          error ("No source file named %s.", copy);
        }
        }
 
 
      /* Discard the file name from the arg.  */
      /* Discard the file name from the arg.  */
      p = p1 + 1;
      p = p1 + 1;
      while (*p == ' ' || *p == '\t')
      while (*p == ' ' || *p == '\t')
        p++;
        p++;
      *argptr = p;
      *argptr = p;
    }
    }
#if 0
#if 0
  /* No one really seems to know why this was added. It certainly
  /* No one really seems to know why this was added. It certainly
     breaks the command line, though, whenever the passed
     breaks the command line, though, whenever the passed
     name is of the form ClassName::Method. This bit of code
     name is of the form ClassName::Method. This bit of code
     singles out the class name, and if funfirstline is set (for
     singles out the class name, and if funfirstline is set (for
     example, you are setting a breakpoint at this function),
     example, you are setting a breakpoint at this function),
     you get an error. This did not occur with earlier
     you get an error. This did not occur with earlier
     verions, so I am ifdef'ing this out. 3/29/99 */
     verions, so I am ifdef'ing this out. 3/29/99 */
  else
  else
    {
    {
      /* Check if what we have till now is a symbol name */
      /* Check if what we have till now is a symbol name */
 
 
      /* We may be looking at a template instantiation such
      /* We may be looking at a template instantiation such
         as "foo<int>".  Check here whether we know about it,
         as "foo<int>".  Check here whether we know about it,
         instead of falling through to the code below which
         instead of falling through to the code below which
         handles ordinary function names, because that code
         handles ordinary function names, because that code
         doesn't like seeing '<' and '>' in a name -- the
         doesn't like seeing '<' and '>' in a name -- the
         skip_quoted call doesn't go past them.  So see if we
         skip_quoted call doesn't go past them.  So see if we
         can figure it out right now. */
         can figure it out right now. */
 
 
      copy = (char *) alloca (p - *argptr + 1);
      copy = (char *) alloca (p - *argptr + 1);
      memcpy (copy, *argptr, p - *argptr);
      memcpy (copy, *argptr, p - *argptr);
      copy[p - *argptr] = '\000';
      copy[p - *argptr] = '\000';
      sym = lookup_symbol (copy, 0, VAR_NAMESPACE, 0, &sym_symtab);
      sym = lookup_symbol (copy, 0, VAR_NAMESPACE, 0, &sym_symtab);
      if (sym)
      if (sym)
        {
        {
          /* Yes, we have a symbol; jump to symbol processing */
          /* Yes, we have a symbol; jump to symbol processing */
          /* Code after symbol_found expects S, SYM_SYMTAB, SYM,
          /* Code after symbol_found expects S, SYM_SYMTAB, SYM,
             and COPY to be set correctly */
             and COPY to be set correctly */
          *argptr = (*p == '\'') ? p + 1 : p;
          *argptr = (*p == '\'') ? p + 1 : p;
          s = (struct symtab *) 0;
          s = (struct symtab *) 0;
          goto symbol_found;
          goto symbol_found;
        }
        }
      /* Otherwise fall out from here and go to file/line spec
      /* Otherwise fall out from here and go to file/line spec
         processing, etc. */
         processing, etc. */
    }
    }
#endif
#endif
 
 
  /* S is specified file's symtab, or 0 if no file specified.
  /* S is specified file's symtab, or 0 if no file specified.
     arg no longer contains the file name.  */
     arg no longer contains the file name.  */
 
 
  /* Check whether arg is all digits (and sign) */
  /* Check whether arg is all digits (and sign) */
 
 
  q = *argptr;
  q = *argptr;
  if (*q == '-' || *q == '+')
  if (*q == '-' || *q == '+')
    q++;
    q++;
  while (*q >= '0' && *q <= '9')
  while (*q >= '0' && *q <= '9')
    q++;
    q++;
 
 
  if (q != *argptr && (*q == 0 || *q == ' ' || *q == '\t' || *q == ','))
  if (q != *argptr && (*q == 0 || *q == ' ' || *q == '\t' || *q == ','))
    {
    {
      /* We found a token consisting of all digits -- at least one digit.  */
      /* We found a token consisting of all digits -- at least one digit.  */
      enum sign
      enum sign
        {
        {
          none, plus, minus
          none, plus, minus
        }
        }
      sign = none;
      sign = none;
 
 
      /* We might need a canonical line spec if no file was specified.  */
      /* We might need a canonical line spec if no file was specified.  */
      int need_canonical = (s == 0) ? 1 : 0;
      int need_canonical = (s == 0) ? 1 : 0;
 
 
      /* This is where we need to make sure that we have good defaults.
      /* This is where we need to make sure that we have good defaults.
         We must guarantee that this section of code is never executed
         We must guarantee that this section of code is never executed
         when we are called with just a function name, since
         when we are called with just a function name, since
         select_source_symtab calls us with such an argument  */
         select_source_symtab calls us with such an argument  */
 
 
      if (s == 0 && default_symtab == 0)
      if (s == 0 && default_symtab == 0)
        {
        {
          select_source_symtab (0);
          select_source_symtab (0);
          default_symtab = current_source_symtab;
          default_symtab = current_source_symtab;
          default_line = current_source_line;
          default_line = current_source_line;
        }
        }
 
 
      if (**argptr == '+')
      if (**argptr == '+')
        sign = plus, (*argptr)++;
        sign = plus, (*argptr)++;
      else if (**argptr == '-')
      else if (**argptr == '-')
        sign = minus, (*argptr)++;
        sign = minus, (*argptr)++;
      val.line = atoi (*argptr);
      val.line = atoi (*argptr);
      switch (sign)
      switch (sign)
        {
        {
        case plus:
        case plus:
          if (q == *argptr)
          if (q == *argptr)
            val.line = 5;
            val.line = 5;
          if (s == 0)
          if (s == 0)
            val.line = default_line + val.line;
            val.line = default_line + val.line;
          break;
          break;
        case minus:
        case minus:
          if (q == *argptr)
          if (q == *argptr)
            val.line = 15;
            val.line = 15;
          if (s == 0)
          if (s == 0)
            val.line = default_line - val.line;
            val.line = default_line - val.line;
          else
          else
            val.line = 1;
            val.line = 1;
          break;
          break;
        case none:
        case none:
          break;                /* No need to adjust val.line.  */
          break;                /* No need to adjust val.line.  */
        }
        }
 
 
      while (*q == ' ' || *q == '\t')
      while (*q == ' ' || *q == '\t')
        q++;
        q++;
      *argptr = q;
      *argptr = q;
      if (s == 0)
      if (s == 0)
        s = default_symtab;
        s = default_symtab;
 
 
      /* It is possible that this source file has more than one symtab,
      /* It is possible that this source file has more than one symtab,
         and that the new line number specification has moved us from the
         and that the new line number specification has moved us from the
         default (in s) to a new one.  */
         default (in s) to a new one.  */
      val.symtab = find_line_symtab (s, val.line, NULL, NULL);
      val.symtab = find_line_symtab (s, val.line, NULL, NULL);
      if (val.symtab == 0)
      if (val.symtab == 0)
        val.symtab = s;
        val.symtab = s;
 
 
      val.pc = 0;
      val.pc = 0;
      values.sals = (struct symtab_and_line *)
      values.sals = (struct symtab_and_line *)
        xmalloc (sizeof (struct symtab_and_line));
        xmalloc (sizeof (struct symtab_and_line));
      values.sals[0] = val;
      values.sals[0] = val;
      values.nelts = 1;
      values.nelts = 1;
      if (need_canonical)
      if (need_canonical)
        build_canonical_line_spec (values.sals, NULL, canonical);
        build_canonical_line_spec (values.sals, NULL, canonical);
      return values;
      return values;
    }
    }
 
 
  /* Arg token is not digits => try it as a variable name
  /* Arg token is not digits => try it as a variable name
     Find the next token (everything up to end or next whitespace).  */
     Find the next token (everything up to end or next whitespace).  */
 
 
  if (**argptr == '$')          /* May be a convenience variable */
  if (**argptr == '$')          /* May be a convenience variable */
    p = skip_quoted (*argptr + (((*argptr)[1] == '$') ? 2 : 1));        /* One or two $ chars possible */
    p = skip_quoted (*argptr + (((*argptr)[1] == '$') ? 2 : 1));        /* One or two $ chars possible */
  else if (is_quoted)
  else if (is_quoted)
    {
    {
      p = skip_quoted (*argptr);
      p = skip_quoted (*argptr);
      if (p[-1] != '\'')
      if (p[-1] != '\'')
        error ("Unmatched single quote.");
        error ("Unmatched single quote.");
    }
    }
  else if (has_parens)
  else if (has_parens)
    {
    {
      p = pp + 1;
      p = pp + 1;
    }
    }
  else
  else
    {
    {
      p = skip_quoted (*argptr);
      p = skip_quoted (*argptr);
    }
    }
 
 
  copy = (char *) alloca (p - *argptr + 1);
  copy = (char *) alloca (p - *argptr + 1);
  memcpy (copy, *argptr, p - *argptr);
  memcpy (copy, *argptr, p - *argptr);
  copy[p - *argptr] = '\0';
  copy[p - *argptr] = '\0';
  if (p != *argptr
  if (p != *argptr
      && copy[0]
      && copy[0]
      && copy[0] == copy[p - *argptr - 1]
      && copy[0] == copy[p - *argptr - 1]
      && strchr (get_gdb_completer_quote_characters (), copy[0]) != NULL)
      && strchr (get_gdb_completer_quote_characters (), copy[0]) != NULL)
    {
    {
      copy[p - *argptr - 1] = '\0';
      copy[p - *argptr - 1] = '\0';
      copy++;
      copy++;
    }
    }
  while (*p == ' ' || *p == '\t')
  while (*p == ' ' || *p == '\t')
    p++;
    p++;
  *argptr = p;
  *argptr = p;
 
 
  /* If it starts with $: may be a legitimate variable or routine name
  /* If it starts with $: may be a legitimate variable or routine name
     (e.g. HP-UX millicode routines such as $$dyncall), or it may
     (e.g. HP-UX millicode routines such as $$dyncall), or it may
     be history value, or it may be a convenience variable */
     be history value, or it may be a convenience variable */
 
 
  if (*copy == '$')
  if (*copy == '$')
    {
    {
      value_ptr valx;
      value_ptr valx;
      int index = 0;
      int index = 0;
      int need_canonical = 0;
      int need_canonical = 0;
 
 
      p = (copy[1] == '$') ? copy + 2 : copy + 1;
      p = (copy[1] == '$') ? copy + 2 : copy + 1;
      while (*p >= '0' && *p <= '9')
      while (*p >= '0' && *p <= '9')
        p++;
        p++;
      if (!*p)                  /* reached end of token without hitting non-digit */
      if (!*p)                  /* reached end of token without hitting non-digit */
        {
        {
          /* We have a value history reference */
          /* We have a value history reference */
          sscanf ((copy[1] == '$') ? copy + 2 : copy + 1, "%d", &index);
          sscanf ((copy[1] == '$') ? copy + 2 : copy + 1, "%d", &index);
          valx = access_value_history ((copy[1] == '$') ? -index : index);
          valx = access_value_history ((copy[1] == '$') ? -index : index);
          if (TYPE_CODE (VALUE_TYPE (valx)) != TYPE_CODE_INT)
          if (TYPE_CODE (VALUE_TYPE (valx)) != TYPE_CODE_INT)
            error ("History values used in line specs must have integer values.");
            error ("History values used in line specs must have integer values.");
        }
        }
      else
      else
        {
        {
          /* Not all digits -- may be user variable/function or a
          /* Not all digits -- may be user variable/function or a
             convenience variable */
             convenience variable */
 
 
          /* Look up entire name as a symbol first */
          /* Look up entire name as a symbol first */
          sym = lookup_symbol (copy, 0, VAR_NAMESPACE, 0, &sym_symtab);
          sym = lookup_symbol (copy, 0, VAR_NAMESPACE, 0, &sym_symtab);
          s = (struct symtab *) 0;
          s = (struct symtab *) 0;
          need_canonical = 1;
          need_canonical = 1;
          /* Symbol was found --> jump to normal symbol processing.
          /* Symbol was found --> jump to normal symbol processing.
             Code following "symbol_found" expects "copy" to have the
             Code following "symbol_found" expects "copy" to have the
             symbol name, "sym" to have the symbol pointer, "s" to be
             symbol name, "sym" to have the symbol pointer, "s" to be
             a specified file's symtab, and sym_symtab to be the symbol's
             a specified file's symtab, and sym_symtab to be the symbol's
             symtab. */
             symtab. */
          if (sym)
          if (sym)
            goto symbol_found;
            goto symbol_found;
 
 
          /* If symbol was not found, look in minimal symbol tables */
          /* If symbol was not found, look in minimal symbol tables */
          msymbol = lookup_minimal_symbol (copy, 0, 0);
          msymbol = lookup_minimal_symbol (copy, 0, 0);
          /* Min symbol was found --> jump to minsym processing. */
          /* Min symbol was found --> jump to minsym processing. */
          if (msymbol)
          if (msymbol)
            goto minimal_symbol_found;
            goto minimal_symbol_found;
 
 
          /* Not a user variable or function -- must be convenience variable */
          /* Not a user variable or function -- must be convenience variable */
          need_canonical = (s == 0) ? 1 : 0;
          need_canonical = (s == 0) ? 1 : 0;
          valx = value_of_internalvar (lookup_internalvar (copy + 1));
          valx = value_of_internalvar (lookup_internalvar (copy + 1));
          if (TYPE_CODE (VALUE_TYPE (valx)) != TYPE_CODE_INT)
          if (TYPE_CODE (VALUE_TYPE (valx)) != TYPE_CODE_INT)
            error ("Convenience variables used in line specs must have integer values.");
            error ("Convenience variables used in line specs must have integer values.");
        }
        }
 
 
      /* Either history value or convenience value from above, in valx */
      /* Either history value or convenience value from above, in valx */
      val.symtab = s ? s : default_symtab;
      val.symtab = s ? s : default_symtab;
      val.line = value_as_long (valx);
      val.line = value_as_long (valx);
      val.pc = 0;
      val.pc = 0;
 
 
      values.sals = (struct symtab_and_line *) xmalloc (sizeof val);
      values.sals = (struct symtab_and_line *) xmalloc (sizeof val);
      values.sals[0] = val;
      values.sals[0] = val;
      values.nelts = 1;
      values.nelts = 1;
 
 
      if (need_canonical)
      if (need_canonical)
        build_canonical_line_spec (values.sals, NULL, canonical);
        build_canonical_line_spec (values.sals, NULL, canonical);
 
 
      return values;
      return values;
    }
    }
 
 
 
 
  /* Look up that token as a variable.
  /* Look up that token as a variable.
     If file specified, use that file's per-file block to start with.  */
     If file specified, use that file's per-file block to start with.  */
 
 
  sym = lookup_symbol (copy,
  sym = lookup_symbol (copy,
                       (s ? BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK)
                       (s ? BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK)
                        : get_selected_block ()),
                        : get_selected_block ()),
                       VAR_NAMESPACE, 0, &sym_symtab);
                       VAR_NAMESPACE, 0, &sym_symtab);
 
 
symbol_found:                   /* We also jump here from inside the C++ class/namespace
symbol_found:                   /* We also jump here from inside the C++ class/namespace
                                   code on finding a symbol of the form "A::B::C" */
                                   code on finding a symbol of the form "A::B::C" */
 
 
  if (sym != NULL)
  if (sym != NULL)
    {
    {
      if (SYMBOL_CLASS (sym) == LOC_BLOCK)
      if (SYMBOL_CLASS (sym) == LOC_BLOCK)
        {
        {
          /* Arg is the name of a function */
          /* Arg is the name of a function */
          values.sals = (struct symtab_and_line *)
          values.sals = (struct symtab_and_line *)
            xmalloc (sizeof (struct symtab_and_line));
            xmalloc (sizeof (struct symtab_and_line));
          values.sals[0] = find_function_start_sal (sym, funfirstline);
          values.sals[0] = find_function_start_sal (sym, funfirstline);
          values.nelts = 1;
          values.nelts = 1;
 
 
          /* Don't use the SYMBOL_LINE; if used at all it points to
          /* Don't use the SYMBOL_LINE; if used at all it points to
             the line containing the parameters or thereabouts, not
             the line containing the parameters or thereabouts, not
             the first line of code.  */
             the first line of code.  */
 
 
          /* We might need a canonical line spec if it is a static
          /* We might need a canonical line spec if it is a static
             function.  */
             function.  */
          if (s == 0)
          if (s == 0)
            {
            {
              struct blockvector *bv = BLOCKVECTOR (sym_symtab);
              struct blockvector *bv = BLOCKVECTOR (sym_symtab);
              struct block *b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
              struct block *b = BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK);
              if (lookup_block_symbol (b, copy, VAR_NAMESPACE) != NULL)
              if (lookup_block_symbol (b, copy, VAR_NAMESPACE) != NULL)
                build_canonical_line_spec (values.sals, copy, canonical);
                build_canonical_line_spec (values.sals, copy, canonical);
            }
            }
          return values;
          return values;
        }
        }
      else
      else
        {
        {
          if (funfirstline)
          if (funfirstline)
            error ("\"%s\" is not a function", copy);
            error ("\"%s\" is not a function", copy);
          else if (SYMBOL_LINE (sym) != 0)
          else if (SYMBOL_LINE (sym) != 0)
            {
            {
              /* We know its line number.  */
              /* We know its line number.  */
              values.sals = (struct symtab_and_line *)
              values.sals = (struct symtab_and_line *)
                xmalloc (sizeof (struct symtab_and_line));
                xmalloc (sizeof (struct symtab_and_line));
              values.nelts = 1;
              values.nelts = 1;
              memset (&values.sals[0], 0, sizeof (values.sals[0]));
              memset (&values.sals[0], 0, sizeof (values.sals[0]));
              values.sals[0].symtab = sym_symtab;
              values.sals[0].symtab = sym_symtab;
              values.sals[0].line = SYMBOL_LINE (sym);
              values.sals[0].line = SYMBOL_LINE (sym);
              return values;
              return values;
            }
            }
          else
          else
            /* This can happen if it is compiled with a compiler which doesn't
            /* This can happen if it is compiled with a compiler which doesn't
               put out line numbers for variables.  */
               put out line numbers for variables.  */
            /* FIXME: Shouldn't we just set .line and .symtab to zero
            /* FIXME: Shouldn't we just set .line and .symtab to zero
               and return?  For example, "info line foo" could print
               and return?  For example, "info line foo" could print
               the address.  */
               the address.  */
            error ("Line number not known for symbol \"%s\"", copy);
            error ("Line number not known for symbol \"%s\"", copy);
        }
        }
    }
    }
 
 
  msymbol = lookup_minimal_symbol (copy, NULL, NULL);
  msymbol = lookup_minimal_symbol (copy, NULL, NULL);
 
 
minimal_symbol_found:           /* We also jump here from the case for variables
minimal_symbol_found:           /* We also jump here from the case for variables
                                   that begin with '$' */
                                   that begin with '$' */
 
 
  if (msymbol != NULL)
  if (msymbol != NULL)
    {
    {
      values.sals = (struct symtab_and_line *)
      values.sals = (struct symtab_and_line *)
        xmalloc (sizeof (struct symtab_and_line));
        xmalloc (sizeof (struct symtab_and_line));
      values.sals[0] = find_pc_sect_line (SYMBOL_VALUE_ADDRESS (msymbol),
      values.sals[0] = find_pc_sect_line (SYMBOL_VALUE_ADDRESS (msymbol),
                                          (struct sec *) 0, 0);
                                          (struct sec *) 0, 0);
      values.sals[0].section = SYMBOL_BFD_SECTION (msymbol);
      values.sals[0].section = SYMBOL_BFD_SECTION (msymbol);
      if (funfirstline)
      if (funfirstline)
        {
        {
          values.sals[0].pc += FUNCTION_START_OFFSET;
          values.sals[0].pc += FUNCTION_START_OFFSET;
          values.sals[0].pc = SKIP_PROLOGUE (values.sals[0].pc);
          values.sals[0].pc = SKIP_PROLOGUE (values.sals[0].pc);
        }
        }
      values.nelts = 1;
      values.nelts = 1;
      return values;
      return values;
    }
    }
 
 
  if (!have_full_symbols () &&
  if (!have_full_symbols () &&
      !have_partial_symbols () && !have_minimal_symbols ())
      !have_partial_symbols () && !have_minimal_symbols ())
    error ("No symbol table is loaded.  Use the \"file\" command.");
    error ("No symbol table is loaded.  Use the \"file\" command.");
 
 
  error ("Function \"%s\" not defined.", copy);
  error ("Function \"%s\" not defined.", copy);
  return values;                /* for lint */
  return values;                /* for lint */
}
}
 
 

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