Hash :
60c9c198
Author :
Date :
2006-10-30T09:48:28
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#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 */
/* State of headered-ness for name-creation */
typedef enum headeredness_t {
FLAG_HEADERLESS ,
FLAG_EXTERNAL ,
FLAG_HEADERS } headeredness ;
extern headeredness hdr_flag;
/* 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;
/* Shared phrases */
extern char *in_tkz_esc_mode;
extern char *wh_defined;
/* ************************************************************************** *
*
* 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 tokenize_one_word( signed long wlen );
void check_name_length( signed long wlen );
bool definer_name(fwtoken definer, char **reslt_ptr);
void tokenize( void );
/* **************************************************************************
*
* Macros:
* FUNC_CPY_BUF_SIZE Recommended 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.
* AS_WHAT_BUF_SIZE Recommended size of the buffer passed to the
* as_a_what() routine.
*
**************************************************************************** */
#define FUNC_CPY_BUF_SIZE 40
#define AS_WHAT_BUF_SIZE 32
#endif /* _TOKE_SCANNER_H */