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%{/* nlmheader.y - parse NLM header specification keywords.
%{/* nlmheader.y - parse NLM header specification keywords.
     Copyright 1993, 1994, 1995, 1997, 1998, 2001, 2002, 2003, 2007
     Copyright 1993, 1994, 1995, 1997, 1998, 2001, 2002, 2003, 2007
     Free Software Foundation, Inc.
     Free Software Foundation, Inc.
     This file is part of GNU Binutils.
     This file is part of GNU Binutils.
     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, write to the Free Software
     along with this program; if not, write to the Free Software
     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     MA 02110-1301, USA.  */
     MA 02110-1301, USA.  */
/* Written by Ian Lance Taylor .
/* Written by Ian Lance Taylor .
   This bison file parses the commands recognized by the NetWare NLM
   This bison file parses the commands recognized by the NetWare NLM
   linker, except for lists of object files.  It stores the
   linker, except for lists of object files.  It stores the
   information in global variables.
   information in global variables.
   This implementation is based on the description in the NetWare Tool
   This implementation is based on the description in the NetWare Tool
   Maker Specification manual, edition 1.0.  */
   Maker Specification manual, edition 1.0.  */
#include "sysdep.h"
#include "sysdep.h"
#include "safe-ctype.h"
#include "safe-ctype.h"
#include "bfd.h"
#include "bfd.h"
#include "nlm/common.h"
#include "nlm/common.h"
#include "nlm/internal.h"
#include "nlm/internal.h"
#include "bucomm.h"
#include "bucomm.h"
#include "nlmconv.h"
#include "nlmconv.h"
/* Information is stored in the structures pointed to by these
/* Information is stored in the structures pointed to by these
   variables.  */
   variables.  */
Nlm_Internal_Fixed_Header *fixed_hdr;
Nlm_Internal_Fixed_Header *fixed_hdr;
Nlm_Internal_Variable_Header *var_hdr;
Nlm_Internal_Variable_Header *var_hdr;
Nlm_Internal_Version_Header *version_hdr;
Nlm_Internal_Version_Header *version_hdr;
Nlm_Internal_Copyright_Header *copyright_hdr;
Nlm_Internal_Copyright_Header *copyright_hdr;
Nlm_Internal_Extended_Header *extended_hdr;
Nlm_Internal_Extended_Header *extended_hdr;
/* Procedure named by CHECK.  */
/* Procedure named by CHECK.  */
char *check_procedure;
char *check_procedure;
/* File named by CUSTOM.  */
/* File named by CUSTOM.  */
char *custom_file;
char *custom_file;
/* Whether to generate debugging information (DEBUG).  */
/* Whether to generate debugging information (DEBUG).  */
bfd_boolean debug_info;
bfd_boolean debug_info;
/* Procedure named by EXIT.  */
/* Procedure named by EXIT.  */
char *exit_procedure;
char *exit_procedure;
/* Exported symbols (EXPORT).  */
/* Exported symbols (EXPORT).  */
struct string_list *export_symbols;
struct string_list *export_symbols;
/* List of files from INPUT.  */
/* List of files from INPUT.  */
struct string_list *input_files;
struct string_list *input_files;
/* Map file name (MAP, FULLMAP).  */
/* Map file name (MAP, FULLMAP).  */
char *map_file;
char *map_file;
/* Whether a full map has been requested (FULLMAP).  */
/* Whether a full map has been requested (FULLMAP).  */
bfd_boolean full_map;
bfd_boolean full_map;
/* File named by HELP.  */
/* File named by HELP.  */
char *help_file;
char *help_file;
/* Imported symbols (IMPORT).  */
/* Imported symbols (IMPORT).  */
struct string_list *import_symbols;
struct string_list *import_symbols;
/* File named by MESSAGES.  */
/* File named by MESSAGES.  */
char *message_file;
char *message_file;
/* Autoload module list (MODULE).  */
/* Autoload module list (MODULE).  */
struct string_list *modules;
struct string_list *modules;
/* File named by OUTPUT.  */
/* File named by OUTPUT.  */
char *output_file;
char *output_file;
/* File named by SHARELIB.  */
/* File named by SHARELIB.  */
char *sharelib_file;
char *sharelib_file;
/* Start procedure name (START).  */
/* Start procedure name (START).  */
char *start_procedure;
char *start_procedure;
/* VERBOSE.  */
/* VERBOSE.  */
bfd_boolean verbose;
bfd_boolean verbose;
/* RPC description file (XDCDATA).  */
/* RPC description file (XDCDATA).  */
char *rpc_file;
char *rpc_file;
/* The number of serious errors that have occurred.  */
/* The number of serious errors that have occurred.  */
int parse_errors;
int parse_errors;
/* The current symbol prefix when reading a list of import or export
/* The current symbol prefix when reading a list of import or export
   symbols.  */
   symbols.  */
static char *symbol_prefix;
static char *symbol_prefix;
/* Parser error message handler.  */
/* Parser error message handler.  */
#define yyerror(msg) nlmheader_error (msg);
#define yyerror(msg) nlmheader_error (msg);
/* Local functions.  */
/* Local functions.  */
static int yylex (void);
static int yylex (void);
static void nlmlex_file_push (const char *);
static void nlmlex_file_push (const char *);
static bfd_boolean nlmlex_file_open (const char *);
static bfd_boolean nlmlex_file_open (const char *);
static int nlmlex_buf_init (void);
static int nlmlex_buf_init (void);
static char nlmlex_buf_add (int);
static char nlmlex_buf_add (int);
static long nlmlex_get_number (const char *);
static long nlmlex_get_number (const char *);
static void nlmheader_identify (void);
static void nlmheader_identify (void);
static void nlmheader_warn (const char *, int);
static void nlmheader_warn (const char *, int);
static void nlmheader_error (const char *);
static void nlmheader_error (const char *);
static struct string_list * string_list_cons (char *, struct string_list *);
static struct string_list * string_list_cons (char *, struct string_list *);
static struct string_list * string_list_append (struct string_list *,
static struct string_list * string_list_append (struct string_list *,
                                                struct string_list *);
                                                struct string_list *);
static struct string_list * string_list_append1 (struct string_list *,
static struct string_list * string_list_append1 (struct string_list *,
                                                 char *);
                                                 char *);
static char *xstrdup (const char *);
static char *xstrdup (const char *);
%}
%}
%union
%union
{
{
  char *string;
  char *string;
  struct string_list *list;
  struct string_list *list;
};
};
/* The reserved words.  */
/* The reserved words.  */
%token CHECK CODESTART COPYRIGHT CUSTOM DATE DEBUG DESCRIPTION EXIT
%token CHECK CODESTART COPYRIGHT CUSTOM DATE DEBUG DESCRIPTION EXIT
%token EXPORT FLAG_ON FLAG_OFF FULLMAP HELP IMPORT INPUT MAP MESSAGES
%token EXPORT FLAG_ON FLAG_OFF FULLMAP HELP IMPORT INPUT MAP MESSAGES
%token MODULE MULTIPLE OS_DOMAIN OUTPUT PSEUDOPREEMPTION REENTRANT
%token MODULE MULTIPLE OS_DOMAIN OUTPUT PSEUDOPREEMPTION REENTRANT
%token SCREENNAME SHARELIB STACK START SYNCHRONIZE
%token SCREENNAME SHARELIB STACK START SYNCHRONIZE
%token THREADNAME TYPE VERBOSE VERSIONK XDCDATA
%token THREADNAME TYPE VERBOSE VERSIONK XDCDATA
/* Arguments.  */
/* Arguments.  */
%token  STRING
%token  STRING
%token  QUOTED_STRING
%token  QUOTED_STRING
/* Typed non-terminals.  */
/* Typed non-terminals.  */
%type  symbol_list_opt symbol_list string_list
%type  symbol_list_opt symbol_list string_list
%type  symbol
%type  symbol
%%
%%
/* Keywords must start in the leftmost column of the file.  Arguments
/* Keywords must start in the leftmost column of the file.  Arguments
   may appear anywhere else.  The lexer uses this to determine what
   may appear anywhere else.  The lexer uses this to determine what
   token to return, so we don't have to worry about it here.  */
   token to return, so we don't have to worry about it here.  */
/* The entire file is just a list of commands.  */
/* The entire file is just a list of commands.  */
file:
file:
          commands
          commands
        ;
        ;
/* A possibly empty list of commands.  */
/* A possibly empty list of commands.  */
commands:
commands:
          /* May be empty.  */
          /* May be empty.  */
        | command commands
        | command commands
        ;
        ;
/* A single command.  There is where most of the work takes place.  */
/* A single command.  There is where most of the work takes place.  */
command:
command:
          CHECK STRING
          CHECK STRING
          {
          {
            check_procedure = $2;
            check_procedure = $2;
          }
          }
        | CODESTART STRING
        | CODESTART STRING
          {
          {
            nlmheader_warn (_("CODESTART is not implemented; sorry"), -1);
            nlmheader_warn (_("CODESTART is not implemented; sorry"), -1);
            free ($2);
            free ($2);
          }
          }
        | COPYRIGHT QUOTED_STRING
        | COPYRIGHT QUOTED_STRING
          {
          {
            int len;
            int len;
            strncpy (copyright_hdr->stamp, "CoPyRiGhT=", 10);
            strncpy (copyright_hdr->stamp, "CoPyRiGhT=", 10);
            len = strlen ($2);
            len = strlen ($2);
            if (len >= NLM_MAX_COPYRIGHT_MESSAGE_LENGTH)
            if (len >= NLM_MAX_COPYRIGHT_MESSAGE_LENGTH)
              {
              {
                nlmheader_warn (_("copyright string is too long"),
                nlmheader_warn (_("copyright string is too long"),
                                NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1);
                                NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1);
                len = NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1;
                len = NLM_MAX_COPYRIGHT_MESSAGE_LENGTH - 1;
              }
              }
            copyright_hdr->copyrightMessageLength = len;
            copyright_hdr->copyrightMessageLength = len;
            strncpy (copyright_hdr->copyrightMessage, $2, len);
            strncpy (copyright_hdr->copyrightMessage, $2, len);
            copyright_hdr->copyrightMessage[len] = '\0';
            copyright_hdr->copyrightMessage[len] = '\0';
            free ($2);
            free ($2);
          }
          }
        | CUSTOM STRING
        | CUSTOM STRING
          {
          {
            custom_file = $2;
            custom_file = $2;
          }
          }
        | DATE STRING STRING STRING
        | DATE STRING STRING STRING
          {
          {
            /* We don't set the version stamp here, because we use the
            /* We don't set the version stamp here, because we use the
               version stamp to detect whether the required VERSION
               version stamp to detect whether the required VERSION
               keyword was given.  */
               keyword was given.  */
            version_hdr->month = nlmlex_get_number ($2);
            version_hdr->month = nlmlex_get_number ($2);
            version_hdr->day = nlmlex_get_number ($3);
            version_hdr->day = nlmlex_get_number ($3);
            version_hdr->year = nlmlex_get_number ($4);
            version_hdr->year = nlmlex_get_number ($4);
            free ($2);
            free ($2);
            free ($3);
            free ($3);
            free ($4);
            free ($4);
            if (version_hdr->month < 1 || version_hdr->month > 12)
            if (version_hdr->month < 1 || version_hdr->month > 12)
              nlmheader_warn (_("illegal month"), -1);
              nlmheader_warn (_("illegal month"), -1);
            if (version_hdr->day < 1 || version_hdr->day > 31)
            if (version_hdr->day < 1 || version_hdr->day > 31)
              nlmheader_warn (_("illegal day"), -1);
              nlmheader_warn (_("illegal day"), -1);
            if (version_hdr->year < 1900 || version_hdr->year > 3000)
            if (version_hdr->year < 1900 || version_hdr->year > 3000)
              nlmheader_warn (_("illegal year"), -1);
              nlmheader_warn (_("illegal year"), -1);
          }
          }
        | DEBUG
        | DEBUG
          {
          {
            debug_info = TRUE;
            debug_info = TRUE;
          }
          }
        | DESCRIPTION QUOTED_STRING
        | DESCRIPTION QUOTED_STRING
          {
          {
            int len;
            int len;
            len = strlen ($2);
            len = strlen ($2);
            if (len > NLM_MAX_DESCRIPTION_LENGTH)
            if (len > NLM_MAX_DESCRIPTION_LENGTH)
              {
              {
                nlmheader_warn (_("description string is too long"),
                nlmheader_warn (_("description string is too long"),
                                NLM_MAX_DESCRIPTION_LENGTH);
                                NLM_MAX_DESCRIPTION_LENGTH);
                len = NLM_MAX_DESCRIPTION_LENGTH;
                len = NLM_MAX_DESCRIPTION_LENGTH;
              }
              }
            var_hdr->descriptionLength = len;
            var_hdr->descriptionLength = len;
            strncpy (var_hdr->descriptionText, $2, len);
            strncpy (var_hdr->descriptionText, $2, len);
            var_hdr->descriptionText[len] = '\0';
            var_hdr->descriptionText[len] = '\0';
            free ($2);
            free ($2);
          }
          }
        | EXIT STRING
        | EXIT STRING
          {
          {
            exit_procedure = $2;
            exit_procedure = $2;
          }
          }
        | EXPORT
        | EXPORT
          {
          {
            symbol_prefix = NULL;
            symbol_prefix = NULL;
          }
          }
          symbol_list_opt
          symbol_list_opt
          {
          {
            export_symbols = string_list_append (export_symbols, $3);
            export_symbols = string_list_append (export_symbols, $3);
          }
          }
        | FLAG_ON STRING
        | FLAG_ON STRING
          {
          {
            fixed_hdr->flags |= nlmlex_get_number ($2);
            fixed_hdr->flags |= nlmlex_get_number ($2);
            free ($2);
            free ($2);
          }
          }
        | FLAG_OFF STRING
        | FLAG_OFF STRING
          {
          {
            fixed_hdr->flags &=~ nlmlex_get_number ($2);
            fixed_hdr->flags &=~ nlmlex_get_number ($2);
            free ($2);
            free ($2);
          }
          }
        | FULLMAP
        | FULLMAP
          {
          {
            map_file = "";
            map_file = "";
            full_map = TRUE;
            full_map = TRUE;
          }
          }
        | FULLMAP STRING
        | FULLMAP STRING
          {
          {
            map_file = $2;
            map_file = $2;
            full_map = TRUE;
            full_map = TRUE;
          }
          }
        | HELP STRING
        | HELP STRING
          {
          {
            help_file = $2;
            help_file = $2;
          }
          }
        | IMPORT
        | IMPORT
          {
          {
            symbol_prefix = NULL;
            symbol_prefix = NULL;
          }
          }
          symbol_list_opt
          symbol_list_opt
          {
          {
            import_symbols = string_list_append (import_symbols, $3);
            import_symbols = string_list_append (import_symbols, $3);
          }
          }
        | INPUT string_list
        | INPUT string_list
          {
          {
            input_files = string_list_append (input_files, $2);
            input_files = string_list_append (input_files, $2);
          }
          }
        | MAP
        | MAP
          {
          {
            map_file = "";
            map_file = "";
          }
          }
        | MAP STRING
        | MAP STRING
          {
          {
            map_file = $2;
            map_file = $2;
          }
          }
        | MESSAGES STRING
        | MESSAGES STRING
          {
          {
            message_file = $2;
            message_file = $2;
          }
          }
        | MODULE string_list
        | MODULE string_list
          {
          {
            modules = string_list_append (modules, $2);
            modules = string_list_append (modules, $2);
          }
          }
        | MULTIPLE
        | MULTIPLE
          {
          {
            fixed_hdr->flags |= 0x2;
            fixed_hdr->flags |= 0x2;
          }
          }
        | OS_DOMAIN
        | OS_DOMAIN
          {
          {
            fixed_hdr->flags |= 0x10;
            fixed_hdr->flags |= 0x10;
          }
          }
        | OUTPUT STRING
        | OUTPUT STRING
          {
          {
            if (output_file == NULL)
            if (output_file == NULL)
              output_file = $2;
              output_file = $2;
            else
            else
              nlmheader_warn (_("ignoring duplicate OUTPUT statement"), -1);
              nlmheader_warn (_("ignoring duplicate OUTPUT statement"), -1);
          }
          }
        | PSEUDOPREEMPTION
        | PSEUDOPREEMPTION
          {
          {
            fixed_hdr->flags |= 0x8;
            fixed_hdr->flags |= 0x8;
          }
          }
        | REENTRANT
        | REENTRANT
          {
          {
            fixed_hdr->flags |= 0x1;
            fixed_hdr->flags |= 0x1;
          }
          }
        | SCREENNAME QUOTED_STRING
        | SCREENNAME QUOTED_STRING
          {
          {
            int len;
            int len;
            len = strlen ($2);
            len = strlen ($2);
            if (len >= NLM_MAX_SCREEN_NAME_LENGTH)
            if (len >= NLM_MAX_SCREEN_NAME_LENGTH)
              {
              {
                nlmheader_warn (_("screen name is too long"),
                nlmheader_warn (_("screen name is too long"),
                                NLM_MAX_SCREEN_NAME_LENGTH);
                                NLM_MAX_SCREEN_NAME_LENGTH);
                len = NLM_MAX_SCREEN_NAME_LENGTH;
                len = NLM_MAX_SCREEN_NAME_LENGTH;
              }
              }
            var_hdr->screenNameLength = len;
            var_hdr->screenNameLength = len;
            strncpy (var_hdr->screenName, $2, len);
            strncpy (var_hdr->screenName, $2, len);
            var_hdr->screenName[NLM_MAX_SCREEN_NAME_LENGTH] = '\0';
            var_hdr->screenName[NLM_MAX_SCREEN_NAME_LENGTH] = '\0';
            free ($2);
            free ($2);
          }
          }
        | SHARELIB STRING
        | SHARELIB STRING
          {
          {
            sharelib_file = $2;
            sharelib_file = $2;
          }
          }
        | STACK STRING
        | STACK STRING
          {
          {
            var_hdr->stackSize = nlmlex_get_number ($2);
            var_hdr->stackSize = nlmlex_get_number ($2);
            free ($2);
            free ($2);
          }
          }
        | START STRING
        | START STRING
          {
          {
            start_procedure = $2;
            start_procedure = $2;
          }
          }
        | SYNCHRONIZE
        | SYNCHRONIZE
          {
          {
            fixed_hdr->flags |= 0x4;
            fixed_hdr->flags |= 0x4;
          }
          }
        | THREADNAME QUOTED_STRING
        | THREADNAME QUOTED_STRING
          {
          {
            int len;
            int len;
            len = strlen ($2);
            len = strlen ($2);
            if (len >= NLM_MAX_THREAD_NAME_LENGTH)
            if (len >= NLM_MAX_THREAD_NAME_LENGTH)
              {
              {
                nlmheader_warn (_("thread name is too long"),
                nlmheader_warn (_("thread name is too long"),
                                NLM_MAX_THREAD_NAME_LENGTH);
                                NLM_MAX_THREAD_NAME_LENGTH);
                len = NLM_MAX_THREAD_NAME_LENGTH;
                len = NLM_MAX_THREAD_NAME_LENGTH;
              }
              }
            var_hdr->threadNameLength = len;
            var_hdr->threadNameLength = len;
            strncpy (var_hdr->threadName, $2, len);
            strncpy (var_hdr->threadName, $2, len);
            var_hdr->threadName[len] = '\0';
            var_hdr->threadName[len] = '\0';
            free ($2);
            free ($2);
          }
          }
        | TYPE STRING
        | TYPE STRING
          {
          {
            fixed_hdr->moduleType = nlmlex_get_number ($2);
            fixed_hdr->moduleType = nlmlex_get_number ($2);
            free ($2);
            free ($2);
          }
          }
        | VERBOSE
        | VERBOSE
          {
          {
            verbose = TRUE;
            verbose = TRUE;
          }
          }
        | VERSIONK STRING STRING STRING
        | VERSIONK STRING STRING STRING
          {
          {
            long val;
            long val;
            strncpy (version_hdr->stamp, "VeRsIoN#", 8);
            strncpy (version_hdr->stamp, "VeRsIoN#", 8);
            version_hdr->majorVersion = nlmlex_get_number ($2);
            version_hdr->majorVersion = nlmlex_get_number ($2);
            val = nlmlex_get_number ($3);
            val = nlmlex_get_number ($3);
            if (val < 0 || val > 99)
            if (val < 0 || val > 99)
              nlmheader_warn (_("illegal minor version number (must be between 0 and 99)"),
              nlmheader_warn (_("illegal minor version number (must be between 0 and 99)"),
                              -1);
                              -1);
            else
            else
              version_hdr->minorVersion = val;
              version_hdr->minorVersion = val;
            val = nlmlex_get_number ($4);
            val = nlmlex_get_number ($4);
            if (val < 0)
            if (val < 0)
              nlmheader_warn (_("illegal revision number (must be between 0 and 26)"),
              nlmheader_warn (_("illegal revision number (must be between 0 and 26)"),
                              -1);
                              -1);
            else if (val > 26)
            else if (val > 26)
              version_hdr->revision = 0;
              version_hdr->revision = 0;
            else
            else
              version_hdr->revision = val;
              version_hdr->revision = val;
            free ($2);
            free ($2);
            free ($3);
            free ($3);
            free ($4);
            free ($4);
          }
          }
        | VERSIONK STRING STRING
        | VERSIONK STRING STRING
          {
          {
            long val;
            long val;
            strncpy (version_hdr->stamp, "VeRsIoN#", 8);
            strncpy (version_hdr->stamp, "VeRsIoN#", 8);
            version_hdr->majorVersion = nlmlex_get_number ($2);
            version_hdr->majorVersion = nlmlex_get_number ($2);
            val = nlmlex_get_number ($3);
            val = nlmlex_get_number ($3);
            if (val < 0 || val > 99)
            if (val < 0 || val > 99)
              nlmheader_warn (_("illegal minor version number (must be between 0 and 99)"),
              nlmheader_warn (_("illegal minor version number (must be between 0 and 99)"),
                              -1);
                              -1);
            else
            else
              version_hdr->minorVersion = val;
              version_hdr->minorVersion = val;
            version_hdr->revision = 0;
            version_hdr->revision = 0;
            free ($2);
            free ($2);
            free ($3);
            free ($3);
          }
          }
        | XDCDATA STRING
        | XDCDATA STRING
          {
          {
            rpc_file = $2;
            rpc_file = $2;
          }
          }
        ;
        ;
/* A possibly empty list of symbols.  */
/* A possibly empty list of symbols.  */
symbol_list_opt:
symbol_list_opt:
          /* Empty.  */
          /* Empty.  */
          {
          {
            $$ = NULL;
            $$ = NULL;
          }
          }
        | symbol_list
        | symbol_list
          {
          {
            $$ = $1;
            $$ = $1;
          }
          }
        ;
        ;
/* A list of symbols in an import or export list.  Prefixes may appear
/* A list of symbols in an import or export list.  Prefixes may appear
   in parentheses.  We need to use left recursion here to avoid
   in parentheses.  We need to use left recursion here to avoid
   building up a large import list on the parser stack.  */
   building up a large import list on the parser stack.  */
symbol_list:
symbol_list:
          symbol
          symbol
          {
          {
            $$ = string_list_cons ($1, NULL);
            $$ = string_list_cons ($1, NULL);
          }
          }
        | symbol_prefix
        | symbol_prefix
          {
          {
            $$ = NULL;
            $$ = NULL;
          }
          }
        | symbol_list symbol
        | symbol_list symbol
          {
          {
            $$ = string_list_append1 ($1, $2);
            $$ = string_list_append1 ($1, $2);
          }
          }
        | symbol_list symbol_prefix
        | symbol_list symbol_prefix
          {
          {
            $$ = $1;
            $$ = $1;
          }
          }
        ;
        ;
/* A prefix for subsequent symbols.  */
/* A prefix for subsequent symbols.  */
symbol_prefix:
symbol_prefix:
          '(' STRING ')'
          '(' STRING ')'
          {
          {
            if (symbol_prefix != NULL)
            if (symbol_prefix != NULL)
              free (symbol_prefix);
              free (symbol_prefix);
            symbol_prefix = $2;
            symbol_prefix = $2;
          }
          }
        ;
        ;
/* A single symbol.  */
/* A single symbol.  */
symbol:
symbol:
          STRING
          STRING
          {
          {
            if (symbol_prefix == NULL)
            if (symbol_prefix == NULL)
              $$ = $1;
              $$ = $1;
            else
            else
              {
              {
                $$ = xmalloc (strlen (symbol_prefix) + strlen ($1) + 2);
                $$ = xmalloc (strlen (symbol_prefix) + strlen ($1) + 2);
                sprintf ($$, "%s@%s", symbol_prefix, $1);
                sprintf ($$, "%s@%s", symbol_prefix, $1);
                free ($1);
                free ($1);
              }
              }
          }
          }
        ;
        ;
/* A list of strings.  */
/* A list of strings.  */
string_list:
string_list:
          /* May be empty.  */
          /* May be empty.  */
          {
          {
            $$ = NULL;
            $$ = NULL;
          }
          }
        | STRING string_list
        | STRING string_list
          {
          {
            $$ = string_list_cons ($1, $2);
            $$ = string_list_cons ($1, $2);
          }
          }
        ;
        ;
%%
%%
/* If strerror is just a macro, we want to use the one from libiberty
/* If strerror is just a macro, we want to use the one from libiberty
   since it will handle undefined values.  */
   since it will handle undefined values.  */
#undef strerror
#undef strerror
extern char *strerror PARAMS ((int));
extern char *strerror PARAMS ((int));
/* The lexer is simple, too simple for flex.  Keywords are only
/* The lexer is simple, too simple for flex.  Keywords are only
   recognized at the start of lines.  Everything else must be an
   recognized at the start of lines.  Everything else must be an
   argument.  A comma is treated as whitespace.  */
   argument.  A comma is treated as whitespace.  */
/* The states the lexer can be in.  */
/* The states the lexer can be in.  */
enum lex_state
enum lex_state
{
{
  /* At the beginning of a line.  */
  /* At the beginning of a line.  */
  BEGINNING_OF_LINE,
  BEGINNING_OF_LINE,
  /* In the middle of a line.  */
  /* In the middle of a line.  */
  IN_LINE
  IN_LINE
};
};
/* We need to keep a stack of files to handle file inclusion.  */
/* We need to keep a stack of files to handle file inclusion.  */
struct input
struct input
{
{
  /* The file to read from.  */
  /* The file to read from.  */
  FILE *file;
  FILE *file;
  /* The name of the file.  */
  /* The name of the file.  */
  char *name;
  char *name;
  /* The current line number.  */
  /* The current line number.  */
  int lineno;
  int lineno;
  /* The current state.  */
  /* The current state.  */
  enum lex_state state;
  enum lex_state state;
  /* The next file on the stack.  */
  /* The next file on the stack.  */
  struct input *next;
  struct input *next;
};
};
/* The current input file.  */
/* The current input file.  */
static struct input current;
static struct input current;
/* The character which introduces comments.  */
/* The character which introduces comments.  */
#define COMMENT_CHAR '#'
#define COMMENT_CHAR '#'


/* Start the lexer going on the main input file.  */
/* Start the lexer going on the main input file.  */
bfd_boolean
bfd_boolean
nlmlex_file (const char *name)
nlmlex_file (const char *name)
{
{
  current.next = NULL;
  current.next = NULL;
  return nlmlex_file_open (name);
  return nlmlex_file_open (name);
}
}
/* Start the lexer going on a subsidiary input file.  */
/* Start the lexer going on a subsidiary input file.  */
static void
static void
nlmlex_file_push (const char *name)
nlmlex_file_push (const char *name)
{
{
  struct input *push;
  struct input *push;
  push = (struct input *) xmalloc (sizeof (struct input));
  push = (struct input *) xmalloc (sizeof (struct input));
  *push = current;
  *push = current;
  if (nlmlex_file_open (name))
  if (nlmlex_file_open (name))
    current.next = push;
    current.next = push;
  else
  else
    {
    {
      current = *push;
      current = *push;
      free (push);
      free (push);
    }
    }
}
}
/* Start lexing from a file.  */
/* Start lexing from a file.  */
static bfd_boolean
static bfd_boolean
nlmlex_file_open (const char *name)
nlmlex_file_open (const char *name)
{
{
  current.file = fopen (name, "r");
  current.file = fopen (name, "r");
  if (current.file == NULL)
  if (current.file == NULL)
    {
    {
      fprintf (stderr, "%s:%s: %s\n", program_name, name, strerror (errno));
      fprintf (stderr, "%s:%s: %s\n", program_name, name, strerror (errno));
      ++parse_errors;
      ++parse_errors;
      return FALSE;
      return FALSE;
    }
    }
  current.name = xstrdup (name);
  current.name = xstrdup (name);
  current.lineno = 1;
  current.lineno = 1;
  current.state = BEGINNING_OF_LINE;
  current.state = BEGINNING_OF_LINE;
  return TRUE;
  return TRUE;
}
}


/* Table used to turn keywords into tokens.  */
/* Table used to turn keywords into tokens.  */
struct keyword_tokens_struct
struct keyword_tokens_struct
{
{
  const char *keyword;
  const char *keyword;
  int token;
  int token;
};
};
static struct keyword_tokens_struct keyword_tokens[] =
static struct keyword_tokens_struct keyword_tokens[] =
{
{
  { "CHECK", CHECK },
  { "CHECK", CHECK },
  { "CODESTART", CODESTART },
  { "CODESTART", CODESTART },
  { "COPYRIGHT", COPYRIGHT },
  { "COPYRIGHT", COPYRIGHT },
  { "CUSTOM", CUSTOM },
  { "CUSTOM", CUSTOM },
  { "DATE", DATE },
  { "DATE", DATE },
  { "DEBUG", DEBUG },
  { "DEBUG", DEBUG },
  { "DESCRIPTION", DESCRIPTION },
  { "DESCRIPTION", DESCRIPTION },
  { "EXIT", EXIT },
  { "EXIT", EXIT },
  { "EXPORT", EXPORT },
  { "EXPORT", EXPORT },
  { "FLAG_ON", FLAG_ON },
  { "FLAG_ON", FLAG_ON },
  { "FLAG_OFF", FLAG_OFF },
  { "FLAG_OFF", FLAG_OFF },
  { "FULLMAP", FULLMAP },
  { "FULLMAP", FULLMAP },
  { "HELP", HELP },
  { "HELP", HELP },
  { "IMPORT", IMPORT },
  { "IMPORT", IMPORT },
  { "INPUT", INPUT },
  { "INPUT", INPUT },
  { "MAP", MAP },
  { "MAP", MAP },
  { "MESSAGES", MESSAGES },
  { "MESSAGES", MESSAGES },
  { "MODULE", MODULE },
  { "MODULE", MODULE },
  { "MULTIPLE", MULTIPLE },
  { "MULTIPLE", MULTIPLE },
  { "OS_DOMAIN", OS_DOMAIN },
  { "OS_DOMAIN", OS_DOMAIN },
  { "OUTPUT", OUTPUT },
  { "OUTPUT", OUTPUT },
  { "PSEUDOPREEMPTION", PSEUDOPREEMPTION },
  { "PSEUDOPREEMPTION", PSEUDOPREEMPTION },
  { "REENTRANT", REENTRANT },
  { "REENTRANT", REENTRANT },
  { "SCREENNAME", SCREENNAME },
  { "SCREENNAME", SCREENNAME },
  { "SHARELIB", SHARELIB },
  { "SHARELIB", SHARELIB },
  { "STACK", STACK },
  { "STACK", STACK },
  { "STACKSIZE", STACK },
  { "STACKSIZE", STACK },
  { "START", START },
  { "START", START },
  { "SYNCHRONIZE", SYNCHRONIZE },
  { "SYNCHRONIZE", SYNCHRONIZE },
  { "THREADNAME", THREADNAME },
  { "THREADNAME", THREADNAME },
  { "TYPE", TYPE },
  { "TYPE", TYPE },
  { "VERBOSE", VERBOSE },
  { "VERBOSE", VERBOSE },
  { "VERSION", VERSIONK },
  { "VERSION", VERSIONK },
  { "XDCDATA", XDCDATA }
  { "XDCDATA", XDCDATA }
};
};
#define KEYWORD_COUNT (sizeof (keyword_tokens) / sizeof (keyword_tokens[0]))
#define KEYWORD_COUNT (sizeof (keyword_tokens) / sizeof (keyword_tokens[0]))


/* The lexer accumulates strings in these variables.  */
/* The lexer accumulates strings in these variables.  */
static char *lex_buf;
static char *lex_buf;
static int lex_size;
static int lex_size;
static int lex_pos;
static int lex_pos;
/* Start accumulating strings into the buffer.  */
/* Start accumulating strings into the buffer.  */
#define BUF_INIT() \
#define BUF_INIT() \
  ((void) (lex_buf != NULL ? lex_pos = 0 : nlmlex_buf_init ()))
  ((void) (lex_buf != NULL ? lex_pos = 0 : nlmlex_buf_init ()))
static int
static int
nlmlex_buf_init (void)
nlmlex_buf_init (void)
{
{
  lex_size = 10;
  lex_size = 10;
  lex_buf = xmalloc (lex_size + 1);
  lex_buf = xmalloc (lex_size + 1);
  lex_pos = 0;
  lex_pos = 0;
  return 0;
  return 0;
}
}
/* Finish a string in the buffer.  */
/* Finish a string in the buffer.  */
#define BUF_FINISH() ((void) (lex_buf[lex_pos] = '\0'))
#define BUF_FINISH() ((void) (lex_buf[lex_pos] = '\0'))
/* Accumulate a character into the buffer.  */
/* Accumulate a character into the buffer.  */
#define BUF_ADD(c) \
#define BUF_ADD(c) \
  ((void) (lex_pos < lex_size \
  ((void) (lex_pos < lex_size \
           ? lex_buf[lex_pos++] = (c) \
           ? lex_buf[lex_pos++] = (c) \
           : nlmlex_buf_add (c)))
           : nlmlex_buf_add (c)))
static char
static char
nlmlex_buf_add (int c)
nlmlex_buf_add (int c)
{
{
  if (lex_pos >= lex_size)
  if (lex_pos >= lex_size)
    {
    {
      lex_size *= 2;
      lex_size *= 2;
      lex_buf = xrealloc (lex_buf, lex_size + 1);
      lex_buf = xrealloc (lex_buf, lex_size + 1);
    }
    }
  return lex_buf[lex_pos++] = c;
  return lex_buf[lex_pos++] = c;
}
}


/* The lexer proper.  This is called by the bison generated parsing
/* The lexer proper.  This is called by the bison generated parsing
   code.  */
   code.  */
static int
static int
yylex (void)
yylex (void)
{
{
  int c;
  int c;
tail_recurse:
tail_recurse:
  c = getc (current.file);
  c = getc (current.file);
  /* Commas are treated as whitespace characters.  */
  /* Commas are treated as whitespace characters.  */
  while (ISSPACE (c) || c == ',')
  while (ISSPACE (c) || c == ',')
    {
    {
      current.state = IN_LINE;
      current.state = IN_LINE;
      if (c == '\n')
      if (c == '\n')
        {
        {
          ++current.lineno;
          ++current.lineno;
          current.state = BEGINNING_OF_LINE;
          current.state = BEGINNING_OF_LINE;
        }
        }
      c = getc (current.file);
      c = getc (current.file);
    }
    }
  /* At the end of the file we either pop to the previous file or
  /* At the end of the file we either pop to the previous file or
     finish up.  */
     finish up.  */
  if (c == EOF)
  if (c == EOF)
    {
    {
      fclose (current.file);
      fclose (current.file);
      free (current.name);
      free (current.name);
      if (current.next == NULL)
      if (current.next == NULL)
        return 0;
        return 0;
      else
      else
        {
        {
          struct input *next;
          struct input *next;
          next = current.next;
          next = current.next;
          current = *next;
          current = *next;
          free (next);
          free (next);
          goto tail_recurse;
          goto tail_recurse;
        }
        }
    }
    }
  /* A comment character always means to drop everything until the
  /* A comment character always means to drop everything until the
     next newline.  */
     next newline.  */
  if (c == COMMENT_CHAR)
  if (c == COMMENT_CHAR)
    {
    {
      do
      do
        {
        {
          c = getc (current.file);
          c = getc (current.file);
        }
        }
      while (c != '\n');
      while (c != '\n');
      ++current.lineno;
      ++current.lineno;
      current.state = BEGINNING_OF_LINE;
      current.state = BEGINNING_OF_LINE;
      goto tail_recurse;
      goto tail_recurse;
    }
    }
  /* An '@' introduces an include file.  */
  /* An '@' introduces an include file.  */
  if (c == '@')
  if (c == '@')
    {
    {
      do
      do
        {
        {
          c = getc (current.file);
          c = getc (current.file);
          if (c == '\n')
          if (c == '\n')
            ++current.lineno;
            ++current.lineno;
        }
        }
      while (ISSPACE (c));
      while (ISSPACE (c));
      BUF_INIT ();
      BUF_INIT ();
      while (! ISSPACE (c) && c != EOF)
      while (! ISSPACE (c) && c != EOF)
        {
        {
          BUF_ADD (c);
          BUF_ADD (c);
          c = getc (current.file);
          c = getc (current.file);
        }
        }
      BUF_FINISH ();
      BUF_FINISH ();
      ungetc (c, current.file);
      ungetc (c, current.file);
      nlmlex_file_push (lex_buf);
      nlmlex_file_push (lex_buf);
      goto tail_recurse;
      goto tail_recurse;
    }
    }
  /* A non-space character at the start of a line must be the start of
  /* A non-space character at the start of a line must be the start of
     a keyword.  */
     a keyword.  */
  if (current.state == BEGINNING_OF_LINE)
  if (current.state == BEGINNING_OF_LINE)
    {
    {
      BUF_INIT ();
      BUF_INIT ();
      while (ISALNUM (c) || c == '_')
      while (ISALNUM (c) || c == '_')
        {
        {
          BUF_ADD (TOUPPER (c));
          BUF_ADD (TOUPPER (c));
          c = getc (current.file);
          c = getc (current.file);
        }
        }
      BUF_FINISH ();
      BUF_FINISH ();
      if (c != EOF && ! ISSPACE (c) && c != ',')
      if (c != EOF && ! ISSPACE (c) && c != ',')
        {
        {
          nlmheader_identify ();
          nlmheader_identify ();
          fprintf (stderr, _("%s:%d: illegal character in keyword: %c\n"),
          fprintf (stderr, _("%s:%d: illegal character in keyword: %c\n"),
                   current.name, current.lineno, c);
                   current.name, current.lineno, c);
        }
        }
      else
      else
        {
        {
          unsigned int i;
          unsigned int i;
          for (i = 0; i < KEYWORD_COUNT; i++)
          for (i = 0; i < KEYWORD_COUNT; i++)
            {
            {
              if (lex_buf[0] == keyword_tokens[i].keyword[0]
              if (lex_buf[0] == keyword_tokens[i].keyword[0]
                  && strcmp (lex_buf, keyword_tokens[i].keyword) == 0)
                  && strcmp (lex_buf, keyword_tokens[i].keyword) == 0)
                {
                {
                  /* Pushing back the final whitespace avoids worrying
                  /* Pushing back the final whitespace avoids worrying
                     about \n here.  */
                     about \n here.  */
                  ungetc (c, current.file);
                  ungetc (c, current.file);
                  current.state = IN_LINE;
                  current.state = IN_LINE;
                  return keyword_tokens[i].token;
                  return keyword_tokens[i].token;
                }
                }
            }
            }
          nlmheader_identify ();
          nlmheader_identify ();
          fprintf (stderr, _("%s:%d: unrecognized keyword: %s\n"),
          fprintf (stderr, _("%s:%d: unrecognized keyword: %s\n"),
                   current.name, current.lineno, lex_buf);
                   current.name, current.lineno, lex_buf);
        }
        }
      ++parse_errors;
      ++parse_errors;
      /* Treat the rest of this line as a comment.  */
      /* Treat the rest of this line as a comment.  */
      ungetc (COMMENT_CHAR, current.file);
      ungetc (COMMENT_CHAR, current.file);
      goto tail_recurse;
      goto tail_recurse;
    }
    }
  /* Parentheses just represent themselves.  */
  /* Parentheses just represent themselves.  */
  if (c == '(' || c == ')')
  if (c == '(' || c == ')')
    return c;
    return c;
  /* Handle quoted strings.  */
  /* Handle quoted strings.  */
  if (c == '"' || c == '\'')
  if (c == '"' || c == '\'')
    {
    {
      int quote;
      int quote;
      int start_lineno;
      int start_lineno;
      quote = c;
      quote = c;
      start_lineno = current.lineno;
      start_lineno = current.lineno;
      c = getc (current.file);
      c = getc (current.file);
      BUF_INIT ();
      BUF_INIT ();
      while (c != quote && c != EOF)
      while (c != quote && c != EOF)
        {
        {
          BUF_ADD (c);
          BUF_ADD (c);
          if (c == '\n')
          if (c == '\n')
            ++current.lineno;
            ++current.lineno;
          c = getc (current.file);
          c = getc (current.file);
        }
        }
      BUF_FINISH ();
      BUF_FINISH ();
      if (c == EOF)
      if (c == EOF)
        {
        {
          nlmheader_identify ();
          nlmheader_identify ();
          fprintf (stderr, _("%s:%d: end of file in quoted string\n"),
          fprintf (stderr, _("%s:%d: end of file in quoted string\n"),
                   current.name, start_lineno);
                   current.name, start_lineno);
          ++parse_errors;
          ++parse_errors;
        }
        }
      /* FIXME: Possible memory leak.  */
      /* FIXME: Possible memory leak.  */
      yylval.string = xstrdup (lex_buf);
      yylval.string = xstrdup (lex_buf);
      return QUOTED_STRING;
      return QUOTED_STRING;
    }
    }
  /* Gather a generic argument.  */
  /* Gather a generic argument.  */
  BUF_INIT ();
  BUF_INIT ();
  while (! ISSPACE (c)
  while (! ISSPACE (c)
         && c != ','
         && c != ','
         && c != COMMENT_CHAR
         && c != COMMENT_CHAR
         && c != '('
         && c != '('
         && c != ')')
         && c != ')')
    {
    {
      BUF_ADD (c);
      BUF_ADD (c);
      c = getc (current.file);
      c = getc (current.file);
    }
    }
  BUF_FINISH ();
  BUF_FINISH ();
  ungetc (c, current.file);
  ungetc (c, current.file);
  /* FIXME: Possible memory leak.  */
  /* FIXME: Possible memory leak.  */
  yylval.string = xstrdup (lex_buf);
  yylval.string = xstrdup (lex_buf);
  return STRING;
  return STRING;
}
}


/* Get a number from a string.  */
/* Get a number from a string.  */
static long
static long
nlmlex_get_number (const char *s)
nlmlex_get_number (const char *s)
{
{
  long ret;
  long ret;
  char *send;
  char *send;
  ret = strtol (s, &send, 10);
  ret = strtol (s, &send, 10);
  if (*send != '\0')
  if (*send != '\0')
    nlmheader_warn (_("bad number"), -1);
    nlmheader_warn (_("bad number"), -1);
  return ret;
  return ret;
}
}
/* Prefix the nlmconv warnings with a note as to where they come from.
/* Prefix the nlmconv warnings with a note as to where they come from.
   We don't use program_name on every warning, because then some
   We don't use program_name on every warning, because then some
   versions of the emacs next-error function can't recognize the line
   versions of the emacs next-error function can't recognize the line
   number.  */
   number.  */
static void
static void
nlmheader_identify (void)
nlmheader_identify (void)
{
{
  static int done;
  static int done;
  if (! done)
  if (! done)
    {
    {
      fprintf (stderr, _("%s: problems in NLM command language input:\n"),
      fprintf (stderr, _("%s: problems in NLM command language input:\n"),
               program_name);
               program_name);
      done = 1;
      done = 1;
    }
    }
}
}
/* Issue a warning.  */
/* Issue a warning.  */
static void
static void
nlmheader_warn (const char *s, int imax)
nlmheader_warn (const char *s, int imax)
{
{
  nlmheader_identify ();
  nlmheader_identify ();
  fprintf (stderr, "%s:%d: %s", current.name, current.lineno, s);
  fprintf (stderr, "%s:%d: %s", current.name, current.lineno, s);
  if (imax != -1)
  if (imax != -1)
    fprintf (stderr, " (max %d)", imax);
    fprintf (stderr, " (max %d)", imax);
  fprintf (stderr, "\n");
  fprintf (stderr, "\n");
}
}
/* Report an error.  */
/* Report an error.  */
static void
static void
nlmheader_error (const char *s)
nlmheader_error (const char *s)
{
{
  nlmheader_warn (s, -1);
  nlmheader_warn (s, -1);
  ++parse_errors;
  ++parse_errors;
}
}
/* Add a string to a string list.  */
/* Add a string to a string list.  */
static struct string_list *
static struct string_list *
string_list_cons (char *s, struct string_list *l)
string_list_cons (char *s, struct string_list *l)
{
{
  struct string_list *ret;
  struct string_list *ret;
  ret = (struct string_list *) xmalloc (sizeof (struct string_list));
  ret = (struct string_list *) xmalloc (sizeof (struct string_list));
  ret->next = l;
  ret->next = l;
  ret->string = s;
  ret->string = s;
  return ret;
  return ret;
}
}
/* Append a string list to another string list.  */
/* Append a string list to another string list.  */
static struct string_list *
static struct string_list *
string_list_append (struct string_list *l1, struct string_list *l2)
string_list_append (struct string_list *l1, struct string_list *l2)
{
{
  register struct string_list **pp;
  register struct string_list **pp;
  for (pp = &l1; *pp != NULL; pp = &(*pp)->next)
  for (pp = &l1; *pp != NULL; pp = &(*pp)->next)
    ;
    ;
  *pp = l2;
  *pp = l2;
  return l1;
  return l1;
}
}
/* Append a string to a string list.  */
/* Append a string to a string list.  */
static struct string_list *
static struct string_list *
string_list_append1 (struct string_list *l, char *s)
string_list_append1 (struct string_list *l, char *s)
{
{
  struct string_list *n;
  struct string_list *n;
  register struct string_list **pp;
  register struct string_list **pp;
  n = (struct string_list *) xmalloc (sizeof (struct string_list));
  n = (struct string_list *) xmalloc (sizeof (struct string_list));
  n->next = NULL;
  n->next = NULL;
  n->string = s;
  n->string = s;
  for (pp = &l; *pp != NULL; pp = &(*pp)->next)
  for (pp = &l; *pp != NULL; pp = &(*pp)->next)
    ;
    ;
  *pp = n;
  *pp = n;
  return l;
  return l;
}
}
/* Duplicate a string in memory.  */
/* Duplicate a string in memory.  */
static char *
static char *
xstrdup (const char *s)
xstrdup (const char *s)
{
{
  unsigned long len;
  unsigned long len;
  char *ret;
  char *ret;
  len = strlen (s);
  len = strlen (s);
  ret = xmalloc (len + 1);
  ret = xmalloc (len + 1);
  strcpy (ret, s);
  strcpy (ret, s);
  return ret;
  return ret;
}
}
 
 

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