openbios/fcode-utils/toke/scanner.h

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• Hash : fbd83855
  Author :
  Date : 2006-08-18T12:47:12
  

  initial merge of David Paktor's fine work. I redid all of the Makefiles and fixed some minor issues with the code. git-svn-id: svn://coreboot.org/openbios/fcode-utils@76 f158a5a8-5612-0410-a976-696ce0be7e32

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• toke/scanner.h

• #ifndef _TOKE_SCANNER_H
  #define _TOKE_SCANNER_H
  
  /*
   *                     OpenBIOS - free your system!
   *                         ( FCode tokenizer )
   *
   *  This program is part of a free implementation of the IEEE 1275-1994
   *  Standard for Boot (Initialization Configuration) Firmware.
   *
   *  Copyright (C) 2001-2005 Stefan Reinauer, <stepan@openbios.org>
   *
   *  This program is free software; you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation; version 2 of the License.
   *
   *  This program is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *  along with this program; if not, write to the Free Software
   *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
   *
   */
  
  /* **************************************************************************
   *
   *      External/Prototype definitions for Scanning functions in Tokenizer
   *
   *      (C) Copyright 2005 IBM Corporation.  All Rights Reserved.
   *      Module Author:  David L. Paktor    dlpaktor@us.ibm.com
   *
   **************************************************************************** */
  
  
  #include "types.h"
  #include "ticvocab.h"
  
  /* ************************************************************************** *
   *
   *      Global Variables Exported
   *
   **************************************************************************** */
  
  extern u8  *statbuf;           /*  The word just read from the input stream  */
  extern u8   base;	       /*  The numeric-interpretation base           */
  
  
  /* pci data */
  extern bool pci_is_last_image;
  extern u16  pci_image_rev;        /* Vendor's Image, NOT PCI Data Struct Rev */
  extern u16  pci_vpd;
  
  
  /*  Having to do with the state of the tokenization  */
  extern bool offs16;	     /*  Using 16-bit branch- (etc) -offsets  */
  extern bool in_tokz_esc;     /*  TRUE if in "Tokenizer Escape" mode   */
  extern bool incolon;	     /*  TRUE if inside a colon definition    */
  extern bool haveend;	     /*  TRUE if the "end" code was read.     */
  extern int do_loop_depth;    /*  How deep we are inside DO ... LOOP variants */
  
  /*  For special-case error detection or reporting */
  extern int lastcolon;	/*  Loc'n in output stream of latest colon-def'n.  */
  			/*  Used for error-checking of IBM-style Locals    */
  extern char *last_colon_defname;       /*  Name of last colon-definition     */
  extern char *last_colon_filename;      /*  File where last colon-def'n made  */
  extern unsigned int last_colon_lineno; /*  Line number of last colon-def'n   */
  extern bool report_multiline;          /*  False to suspend multiline warning */
  extern unsigned int last_colon_abs_token_no;
  
  /* ************************************************************************** *
   *
   *      Function Prototypes / Functions Exported:
   *
   **************************************************************************** */
  
  void	init_scanner( void );
  void	exit_scanner( void );
  void init_scan_state( void );
  void	 fcode_ender( void );
  
  bool skip_until( char lim_ch);
  void push_source( void (*res_func)(), _PTR res_parm, bool is_f_chg );
  signed long get_word( void);
  bool get_word_in_line( char *func_nam);
  bool get_rest_of_line( void);
  void warn_unterm( int severity,
                              char *something,
  			        unsigned int saved_lineno);
  void warn_if_multiline( char *something, unsigned int start_lineno );
  void user_message( tic_param_t pfield );
  void skip_user_message( tic_param_t pfield );
  bool get_number( long *result);
  void eval_string( char *inp_bufr);
  
  void process_remark( tic_param_t pfield );
  bool filter_comments( u8 *inword);
  bool as_a_what( fwtoken definer, char *as_what);
  tic_hdr_t *lookup_word( char *stat_name, char **where_pt1, char **where_pt2 );
  bool word_exists( char *stat_name, char **where_pt1, char **where_pt2 );
  void warn_if_duplicate ( char *stat_name);
  void trace_creation( fwtoken definer, char *nu_name);
  void tokenize_one_word( signed long wlen );
  void check_name_length( signed long wlen );
  
  void	tokenize( void );
  
  /* **************************************************************************
   *
   *          Macro Name:   FUNC_CPY_BUF_SIZE
   *                        Size of a temporary buffer to retain a copy of
   *                        a function name taken from statbuf, when statbuf
   *                        will be used to return a value, but the function
   *                        name might still be needed for an error message.
   *
   **************************************************************************** */
  
  #define FUNC_CPY_BUF_SIZE  40
  
  
  #endif   /*  _TOKE_SCANNER_H    */
  

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