NetBSD/gnu/usr.bin/awk/mawk.h
1993-07-02 23:56:52 +00:00

206 lines
4.7 KiB
C

/********************************************
mawk.h
copyright 1991 1992, Michael D. Brennan
This is a source file for mawk, an implementation of
the AWK programming language.
Mawk is distributed without warranty under the terms of
the GNU General Public License, version 2, 1991.
********************************************/
/* $Log: mawk.h,v $
/* Revision 1.2 1993/07/02 23:57:40 jtc
/* Updated to mawk 1.1.4
/*
* Revision 5.5.1.3 1993/01/22 15:04:50 mike
* pow2->mpow2 for linux
*
* Revision 5.5.1.2 1993/01/20 12:53:10 mike
* d_to_l()
*
* Revision 5.5.1.1 1993/01/15 03:33:46 mike
* patch3: safer double to int conversion
*
* Revision 5.5 1992/07/06 20:15:49 brennan
* DONT_PROTO_OPEN macro
*
* Revision 5.4 1992/03/03 16:34:41 brennan
* conditional around open() proto
*
* Revision 5.3 92/01/09 08:46:58 brennan
* cell destroy macro
*
* Revision 5.2 92/01/06 08:08:56 brennan
* binmode() proto for MSDOS
*
* Revision 5.1 91/12/05 07:59:26 brennan
* 1.1 pre-release
*
*/
/* mawk.h */
#ifndef MAWK_H
#define MAWK_H
#include "config.h"
#ifdef DEBUG
#define YYDEBUG 1
extern int yydebug ; /* print parse if on */
extern int dump_RE ;
#endif
extern int dump_code ;
extern int posix_space_flag ;
#include <stdio.h>
#if HAVE_STRING_H
#include <string.h>
#else
char *strchr() ;
char *strcpy() ;
char *strrchr() ;
#endif
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include "types.h"
/*----------------
* GLOBAL VARIABLES
*----------------*/
/* a well known string */
extern STRING null_str ;
#ifndef TEMPBUFF_GOES_HERE
#define EXTERN extern
#else
#define EXTERN /* empty */
#endif
/* a useful scratch area */
EXTERN union {
STRING *_split_buff[MAX_SPLIT] ;
char _string_buff[MIN_SPRINTF] ;
} tempbuff ;
/* anonymous union */
#define string_buff tempbuff._string_buff
#define split_buff tempbuff._split_buff
#define SPRINTF_SZ sizeof(tempbuff)
/* help with casts */
extern int mpow2[] ;
/* these are used by the parser, scanner and error messages
from the compile */
extern char *pfile_name ; /* program input file */
extern int current_token ;
extern unsigned token_lineno ; /* lineno of current token */
extern unsigned compile_error_count ;
extern int paren_cnt, brace_cnt ;
extern int print_flag, getline_flag ;
extern short mawk_state ;
#define EXECUTION 1 /* other state is 0 compiling */
/*---------*/
#ifndef MSDOS_MSC
extern int errno ;
#endif
extern char *progname ; /* for error messages */
/* macro to test the type of two adjacent cells */
#define TEST2(cp) (mpow2[(cp)->type]+mpow2[((cp)+1)->type])
/* macro to get at the string part of a CELL */
#define string(cp) ((STRING *)(cp)->ptr)
#ifdef DEBUG
#define cell_destroy(cp) DB_cell_destroy(cp)
#else
#define cell_destroy(cp) if ( (cp)->type >= C_STRING &&\
-- string(cp)->ref_cnt == 0 )\
zfree(string(cp),string(cp)->len+STRING_OH);else
#endif
/* prototypes */
void PROTO( cast1_to_s, (CELL *) ) ;
void PROTO( cast1_to_d, (CELL *) ) ;
void PROTO( cast2_to_s, (CELL *) ) ;
void PROTO( cast2_to_d, (CELL *) ) ;
void PROTO( cast_to_RE, (CELL *) ) ;
void PROTO( cast_for_split, (CELL *) ) ;
void PROTO( check_strnum, (CELL *) ) ;
void PROTO( cast_to_REPL, (CELL *) ) ;
long PROTO( d_to_l, (double)) ;
#define d_to_i(d) ((int)d_to_l(d))
int PROTO( test, (CELL *) ) ; /* test for null non-null */
CELL *PROTO( cellcpy, (CELL *, CELL *) ) ;
CELL *PROTO( repl_cpy, (CELL *, CELL *) ) ;
void PROTO( DB_cell_destroy, (CELL *) ) ;
void PROTO( overflow, (char *, unsigned) ) ;
void PROTO( rt_overflow, (char *, unsigned) ) ;
void PROTO( rt_error, ( char *, ...) ) ;
void PROTO( mawk_exit, (int) ) ;
void PROTO( da, (INST *, FILE *)) ;
char *PROTO( str_str, (char*, char*, unsigned) ) ;
char *PROTO( rm_escape, (char *) ) ;
int PROTO( re_split, (char *, PTR) ) ;
char *PROTO( re_pos_match, (char *, PTR, unsigned *) ) ;
int PROTO( binmode, (void)) ;
void PROTO( exit, (int) ) ;
#ifdef THINK_C
#include <unix.h>
#else
int PROTO( close, (int) ) ;
/* ANSI compilers won't like open() if they've ever seen open as
int open(char *,int, ...). If so ,
#define DONT_PROTO_OPEN
*/
#ifndef DONT_PROTO_OPEN
int PROTO( open, (char *,int, int) ) ;
#endif
int PROTO( read, (int , PTR, unsigned) ) ;
#endif
int PROTO ( parse, (void) ) ;
int PROTO ( yylex, (void) ) ;
int PROTO( yyparse, (void) ) ;
void PROTO( yyerror, (char *) ) ;
void PROTO( bozo, (char *) ) ;
void PROTO( errmsg , (int, char*, ...) ) ;
void PROTO( compile_error, ( char *, ...) ) ;
void PROTO( execute, (INST *, CELL *, CELL *) ) ;
char *PROTO( find_kw_str, (int) ) ;
double strtod() ;
double fmod() ;
#endif /* MAWK_H */