[p5sagit/p5-mst-13.2.git] / x2p / a2p.h

/* $RCSfile: a2p.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:09 $
 *
 *    Copyright (c) 1991-1997, Larry Wall
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 *
 * $Log:	a2p.h,v $
 */

#define VOIDUSED 1

#ifdef WIN32
#define _INC_WIN32_PERL5	/* kludge around win32 stdio layer */
#endif

#ifdef VMS
#  include "config.h"
#else
#  include "../config.h"
#endif

#if defined(__STDC__) || defined(vax11c) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus)
# define STANDARD_C 1
#endif

#ifdef WIN32
#undef USE_STDIO_PTR		/* XXX fast gets won't work, must investigate */
#  ifndef STANDARD_C
#    define STANDARD_C
#  endif
#  if defined(__BORLANDC__)
#    pragma warn -ccc
#    pragma warn -rch
#    pragma warn -sig
#    pragma warn -pia
#    pragma warn -par
#    pragma warn -aus
#    pragma warn -use
#    pragma warn -csu
#    pragma warn -pro
#  elif defined(_MSC_VER)
#  elif defined(__MINGW32__)
#  endif
#endif

/* Use all the "standard" definitions? */
#if defined(STANDARD_C) && defined(I_STDLIB)
#   include <stdlib.h>
#endif /* STANDARD_C */

#include <stdio.h>

#ifdef I_MATH
#include <math.h>
#endif

#ifdef I_SYS_TYPES
#  include <sys/types.h>
#endif

#ifdef USE_NEXT_CTYPE

#if NX_CURRENT_COMPILER_RELEASE >= 400
#include <objc/NXCType.h>
#else /*  NX_CURRENT_COMPILER_RELEASE < 400 */
#include <appkit/NXCType.h>
#endif /*  NX_CURRENT_COMPILER_RELEASE >= 400 */

#else /* !USE_NEXT_CTYPE */
#include <ctype.h>
#endif /* USE_NEXT_CTYPE */

#define MEM_SIZE Size_t

#ifndef STANDARD_C
    Malloc_t malloc (MEM_SIZE nbytes);
    Malloc_t calloc (MEM_SIZE elements, MEM_SIZE size);
    Malloc_t realloc (Malloc_t where, MEM_SIZE nbytes);
    Free_t   free (Malloc_t where);
#endif

#if defined(I_STRING) || defined(__cplusplus)
#   include <string.h>
#else
#   include <strings.h>
#endif

#if !defined(HAS_BCOPY) || defined(__cplusplus)
#   define bcopy(s1,s2,l) memcpy(s2,s1,l)
#endif
#if !defined(HAS_BZERO) || defined(__cplusplus)
#   define bzero(s,l) memset(s,0,l)
#endif

#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
#define strchr index
#define strrchr rindex
#endif


#ifdef I_TIME
#   include <time.h>
#endif

#ifdef I_SYS_TIME
#   ifdef I_SYS_TIME_KERNEL
#	define KERNEL
#   endif
#   include <sys/time.h>
#   ifdef I_SYS_TIME_KERNEL
#	undef KERNEL
#   endif
#endif

#ifndef MSDOS
#  if defined(HAS_TIMES) && defined(I_SYS_TIMES)
#    include <sys/times.h>
#  endif
#endif

#ifdef DOSISH
# if defined(OS2)
#   include "../os2ish.h"
# else
#   include "../dosish.h"
# endif
#else
# if defined(VMS)
#   define NO_PERL_TYPEDEFS
#   include "vmsish.h"
# endif
#endif

#ifndef STANDARD_C
/* All of these are in stdlib.h or time.h for ANSI C */
Time_t time();
struct tm *gmtime(), *localtime();
#if defined(OEMVS) || defined(__OPEN_VM)
char *(strchr)(), *(strrchr)();
char *(strcpy)(), *(strcat)();
#else
char *strchr(), *strrchr();
char *strcpy(), *strcat();
#endif
#endif /* ! STANDARD_C */

#ifdef VMS
#  include "handy.h"
#else 
#  include "../handy.h"
#endif

#undef Nullfp
#define Nullfp Null(FILE*)

#define Nullop 0

#define OPROG		1
#define OJUNK		2
#define OHUNKS		3
#define ORANGE		4
#define OPAT		5
#define OHUNK		6
#define OPPAREN		7
#define OPANDAND	8
#define OPOROR		9
#define OPNOT		10
#define OCPAREN		11
#define OCANDAND	12
#define OCOROR		13
#define OCNOT		14
#define ORELOP		15
#define ORPAREN		16
#define OMATCHOP	17
#define OMPAREN		18
#define OCONCAT		19
#define OASSIGN		20
#define OADD		21
#define OSUBTRACT	22
#define OMULT		23
#define ODIV		24
#define OMOD		25
#define OPOSTINCR	26
#define OPOSTDECR	27
#define OPREINCR	28
#define OPREDECR	29
#define OUMINUS		30
#define OUPLUS		31
#define OPAREN		32
#define OGETLINE	33
#define OSPRINTF	34
#define OSUBSTR		35
#define OSTRING		36
#define OSPLIT		37
#define OSNEWLINE	38
#define OINDEX		39
#define ONUM		40
#define OSTR		41
#define OVAR		42
#define OFLD		43
#define ONEWLINE	44
#define OCOMMENT	45
#define OCOMMA		46
#define OSEMICOLON	47
#define OSCOMMENT	48
#define OSTATES		49
#define OSTATE		50
#define OPRINT		51
#define OPRINTF		52
#define OBREAK		53
#define ONEXT		54
#define OEXIT		55
#define OCONTINUE	56
#define OREDIR		57
#define OIF		58
#define OWHILE		59
#define OFOR		60
#define OFORIN		61
#define OVFLD		62
#define OBLOCK		63
#define OREGEX		64
#define OLENGTH		65
#define OLOG		66
#define OEXP		67
#define OSQRT		68
#define OINT		69
#define ODO		70
#define OPOW		71
#define OSUB		72
#define OGSUB		73
#define OMATCH		74
#define OUSERFUN	75
#define OUSERDEF	76
#define OCLOSE		77
#define OATAN2		78
#define OSIN		79
#define OCOS		80
#define ORAND		81
#define OSRAND		82
#define ODELETE		83
#define OSYSTEM		84
#define OCOND		85
#define ORETURN		86
#define ODEFINED	87
#define OSTAR		88

#ifdef DOINIT
char *opname[] = {
    "0",
    "PROG",
    "JUNK",
    "HUNKS",
    "RANGE",
    "PAT",
    "HUNK",
    "PPAREN",
    "PANDAND",
    "POROR",
    "PNOT",
    "CPAREN",
    "CANDAND",
    "COROR",
    "CNOT",
    "RELOP",
    "RPAREN",
    "MATCHOP",
    "MPAREN",
    "CONCAT",
    "ASSIGN",
    "ADD",
    "SUBTRACT",
    "MULT",
    "DIV",
    "MOD",
    "POSTINCR",
    "POSTDECR",
    "PREINCR",
    "PREDECR",
    "UMINUS",
    "UPLUS",
    "PAREN",
    "GETLINE",
    "SPRINTF",
    "SUBSTR",
    "STRING",
    "SPLIT",
    "SNEWLINE",
    "INDEX",
    "NUM",
    "STR",
    "VAR",
    "FLD",
    "NEWLINE",
    "COMMENT",
    "COMMA",
    "SEMICOLON",
    "SCOMMENT",
    "STATES",
    "STATE",
    "PRINT",
    "PRINTF",
    "BREAK",
    "NEXT",
    "EXIT",
    "CONTINUE",
    "REDIR",
    "IF",
    "WHILE",
    "FOR",
    "FORIN",
    "VFLD",
    "BLOCK",
    "REGEX",
    "LENGTH",
    "LOG",
    "EXP",
    "SQRT",
    "INT",
    "DO",
    "POW",
    "SUB",
    "GSUB",
    "MATCH",
    "USERFUN",
    "USERDEF",
    "CLOSE",
    "ATAN2",
    "SIN",
    "COS",
    "RAND",
    "SRAND",
    "DELETE",
    "SYSTEM",
    "COND",
    "RETURN",
    "DEFINED",
    "STAR",
    "89"
};
#else
extern char *opname[];
#endif

EXT int mop INIT(1);

union u_ops {
    int ival;
    char *cval;
};
#if defined(iAPX286) || defined(M_I286) || defined(I80286) 	/* 80286 hack */
#define OPSMAX (64000/sizeof(union u_ops))	/* approx. max segment size */
#else
#define OPSMAX 50000
#endif						 	/* 80286 hack */
EXT union u_ops ops[OPSMAX];

typedef struct string STR;
typedef struct htbl HASH;

#include "str.h"
#include "hash.h"


/* A string is TRUE if not "" or "0". */
#define True(val) (tmps = (val), (*tmps && !(*tmps == '0' && !tmps[1])))
EXT char *Yes INIT("1");
EXT char *No INIT("");

#define str_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 )))

#define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%g)",Str->str_nval),buf) : "" )))
#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(Str)))
EXT STR *Str;

#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)

/* Prototypes for things in a2p.c */
int aryrefarg ( int arg );
int bl ( int arg, int maybe );
void dump ( int branch );
int fixfargs ( int name, int arg, int prevargs );
int fixrargs ( char *name, int arg, int prevargs );
void fixup ( STR *str );
int numary ( int arg );
int oper0 ( int type );
int oper1 ( int type, int arg1 );
int oper2 ( int type, int arg1, int arg2 );
int oper3 ( int type, int arg1, int arg2, int arg3 );
int oper4 ( int type, int arg1, int arg2, int arg3, int arg4 );
int oper5 ( int type, int arg1, int arg2, int arg3, int arg4, int arg5 );
void putlines ( STR *str );
void putone ( void );
int rememberargs ( int arg );
char * scannum ( char *s );
char * scanpat ( char *s );
int string ( char *ptr, int len );
void yyerror ( char *s );
int yylex ( void );

EXT int line INIT(0);

EXT FILE *rsfp;
EXT char buf[2048];
EXT char *bufptr INIT(buf);

EXT STR *linestr INIT(Nullstr);

EXT char tokenbuf[2048];
EXT int expectterm INIT(TRUE);

#ifdef DEBUGGING
EXT int debug INIT(0);
EXT int dlevel INIT(0);
#define YYDEBUG 1
extern int yydebug;
#else
# ifndef YYDEBUG
#  define YYDEBUG 0
# endif
#endif

EXT STR *freestrroot INIT(Nullstr);

EXT STR str_no;
EXT STR str_yes;

EXT bool do_split INIT(FALSE);
EXT bool split_to_array INIT(FALSE);
EXT bool set_array_base INIT(FALSE);
EXT bool saw_RS INIT(FALSE);
EXT bool saw_OFS INIT(FALSE);
EXT bool saw_ORS INIT(FALSE);
EXT bool saw_line_op INIT(FALSE);
EXT bool in_begin INIT(TRUE);
EXT bool do_opens INIT(FALSE);
EXT bool do_fancy_opens INIT(FALSE);
EXT bool lval_field INIT(FALSE);
EXT bool do_chop INIT(FALSE);
EXT bool need_entire INIT(FALSE);
EXT bool absmaxfld INIT(FALSE);
EXT bool saw_altinput INIT(FALSE);

EXT bool nomemok INIT(FALSE);

EXT char const_FS INIT(0);
EXT char *namelist INIT(Nullch);
EXT char fswitch INIT(0);
EXT bool old_awk INIT(0);

EXT int saw_FS INIT(0);
EXT int maxfld INIT(0);
EXT int arymax INIT(0);
EXT char *nameary[100];

EXT STR *opens;

EXT HASH *symtab;
EXT HASH *curarghash;

#define P_MIN		0
#define P_LISTOP	5
#define P_COMMA		10
#define P_ASSIGN	15
#define P_COND		20
#define P_DOTDOT	25
#define P_OROR		30
#define P_ANDAND	35
#define P_OR		40
#define P_AND		45
#define P_EQ		50
#define P_REL		55
#define P_UNI		60
#define P_FILETEST	65
#define P_SHIFT		70
#define P_ADD		75
#define P_MUL		80
#define P_MATCH		85
#define P_UNARY		90
#define P_POW		95
#define P_AUTO		100
#define P_MAX		999

EXT int an;
Commit	Line	Data
428aff04	1	/* $RCSfile: a2p.h,v $$Revision: 4.1 $$Date: 92/08/07 18:29:09 $
a687059c	2	*
9607fc9c	3	* Copyright (c) 1991-1997, Larry Wall
a687059c	4	*
2b317908	5	* You may distribute under the terms of either the GNU General Public
2b317908	6	* License or the Artistic License, as specified in the README file.
8d063cd8	7	*
8d063cd8	8	* $Log: a2p.h,v $
8d063cd8	9	*/
8d063cd8	10
be04251a	11	#define VOIDUSED 1
d07c2202	12
	13	#ifdef WIN32
	14	#define _INC_WIN32_PERL5 /* kludge around win32 stdio layer */
	15	#endif
	16
774d564b	17	#ifdef VMS
	18	# include "config.h"
	19	#else
	20	# include "../config.h"
	21	#endif
be04251a	22
3730b96e	23	#if defined(__STDC__) \|\| defined(vax11c) \|\| defined(_AIX) \|\| defined(__stdc__) \|\| defined(__cplusplus)
	24	# define STANDARD_C 1
	25	#endif
	26
d07c2202	27	#ifdef WIN32
	28	#undef USE_STDIO_PTR /* XXX fast gets won't work, must investigate */
	29	# ifndef STANDARD_C
	30	# define STANDARD_C
	31	# endif
	32	# if defined(__BORLANDC__)
	33	# pragma warn -ccc
	34	# pragma warn -rch
	35	# pragma warn -sig
	36	# pragma warn -pia
	37	# pragma warn -par
	38	# pragma warn -aus
	39	# pragma warn -use
	40	# pragma warn -csu
	41	# pragma warn -pro
	42	# elif defined(_MSC_VER)
	43	# elif defined(__MINGW32__)
	44	# endif
	45	#endif
	46
9c8d0b29	47	/* Use all the "standard" definitions? */
	48	#if defined(STANDARD_C) && defined(I_STDLIB)
	49	# include <stdlib.h>
	50	#endif /* STANDARD_C */
fed7345c	51
9c8d0b29	52	#include <stdio.h>
	53
	54	#ifdef I_MATH
	55	#include <math.h>
	56	#endif
	57
fed7345c	58	#ifdef I_SYS_TYPES
	59	# include <sys/types.h>
	60	#endif
	61
dfe0b228	62	#ifdef USE_NEXT_CTYPE
	63
	64	#if NX_CURRENT_COMPILER_RELEASE >= 400
	65	#include <objc/NXCType.h>
	66	#else /* NX_CURRENT_COMPILER_RELEASE < 400 */
9c8d0b29	67	#include <appkit/NXCType.h>
dfe0b228	68	#endif /* NX_CURRENT_COMPILER_RELEASE >= 400 */
	69
	70	#else /* !USE_NEXT_CTYPE */
9c8d0b29	71	#include <ctype.h>
dfe0b228	72	#endif /* USE_NEXT_CTYPE */
9c8d0b29	73
	74	#define MEM_SIZE Size_t
	75
c1d22f6b	76	#ifndef STANDARD_C
20ce7b12	77	Malloc_t malloc (MEM_SIZE nbytes);
	78	Malloc_t calloc (MEM_SIZE elements, MEM_SIZE size);
	79	Malloc_t realloc (Malloc_t where, MEM_SIZE nbytes);
	80	Free_t free (Malloc_t where);
55497cff	81	#endif
55497cff	82
9c8d0b29	83	#if defined(I_STRING) \|\| defined(__cplusplus)
	84	# include <string.h>
	85	#else
	86	# include <strings.h>
	87	#endif
	88
f0f333f4	89	#if !defined(HAS_BCOPY) \|\| defined(__cplusplus)
75f92628	90	# define bcopy(s1,s2,l) memcpy(s2,s1,l)
75f92628	91	#endif
f0f333f4	92	#if !defined(HAS_BZERO) \|\| defined(__cplusplus)
75f92628	93	# define bzero(s,l) memset(s,0,l)
	94	#endif
	95
9c8d0b29	96	#if !defined(HAS_STRCHR) && defined(HAS_INDEX) && !defined(strchr)
	97	#define strchr index
	98	#define strrchr rindex
	99	#endif
	100
1aef975c	101
	102	#ifdef I_TIME
	103	# include <time.h>
	104	#endif
	105
	106	#ifdef I_SYS_TIME
	107	# ifdef I_SYS_TIME_KERNEL
	108	# define KERNEL
	109	# endif
	110	# include <sys/time.h>
	111	# ifdef I_SYS_TIME_KERNEL
	112	# undef KERNEL
	113	# endif
	114	#endif
	115
	116	#ifndef MSDOS
	117	# if defined(HAS_TIMES) && defined(I_SYS_TIMES)
	118	# include <sys/times.h>
	119	# endif
	120	#endif
	121
4633a7c4	122	#ifdef DOSISH
	123	# if defined(OS2)
	124	# include "../os2ish.h"
	125	# else
	126	# include "../dosish.h"
	127	# endif
	128	#else
	129	# if defined(VMS)
44a8e56a	130	# define NO_PERL_TYPEDEFS
774d564b	131	# include "vmsish.h"
4633a7c4	132	# endif
	133	#endif
	134
1aef975c	135	#ifndef STANDARD_C
	136	/* All of these are in stdlib.h or time.h for ANSI C */
	137	Time_t time();
	138	struct tm gmtime(), localtime();
092bebab	139	#if defined(OEMVS) \|\| defined(__OPEN_VM)
	140	char (strchr)(), (strrchr)();
	141	char (strcpy)(), (strcat)();
	142	#else
1aef975c	143	char strchr(), strrchr();
1aef975c	144	char strcpy(), strcat();
092bebab	145	#endif
1aef975c	146	#endif /* ! STANDARD_C */
1aef975c	147
774d564b	148	#ifdef VMS
	149	# include "handy.h"
	150	#else
	151	# include "../handy.h"
	152	#endif
55497cff	153
	154	#undef Nullfp
	155	#define Nullfp Null(FILE*)
	156
8d063cd8	157	#define Nullop 0
	158
	159	#define OPROG 1
	160	#define OJUNK 2
	161	#define OHUNKS 3
	162	#define ORANGE 4
	163	#define OPAT 5
	164	#define OHUNK 6
	165	#define OPPAREN 7
	166	#define OPANDAND 8
	167	#define OPOROR 9
	168	#define OPNOT 10
	169	#define OCPAREN 11
	170	#define OCANDAND 12
	171	#define OCOROR 13
	172	#define OCNOT 14
	173	#define ORELOP 15
	174	#define ORPAREN 16
	175	#define OMATCHOP 17
	176	#define OMPAREN 18
	177	#define OCONCAT 19
	178	#define OASSIGN 20
	179	#define OADD 21
a687059c	180	#define OSUBTRACT 22
8d063cd8	181	#define OMULT 23
	182	#define ODIV 24
	183	#define OMOD 25
	184	#define OPOSTINCR 26
	185	#define OPOSTDECR 27
	186	#define OPREINCR 28
	187	#define OPREDECR 29
	188	#define OUMINUS 30
	189	#define OUPLUS 31
	190	#define OPAREN 32
	191	#define OGETLINE 33
	192	#define OSPRINTF 34
	193	#define OSUBSTR 35
	194	#define OSTRING 36
	195	#define OSPLIT 37
	196	#define OSNEWLINE 38
	197	#define OINDEX 39
	198	#define ONUM 40
	199	#define OSTR 41
	200	#define OVAR 42
	201	#define OFLD 43
	202	#define ONEWLINE 44
	203	#define OCOMMENT 45
	204	#define OCOMMA 46
	205	#define OSEMICOLON 47
	206	#define OSCOMMENT 48
	207	#define OSTATES 49
	208	#define OSTATE 50
	209	#define OPRINT 51
	210	#define OPRINTF 52
	211	#define OBREAK 53
	212	#define ONEXT 54
	213	#define OEXIT 55
	214	#define OCONTINUE 56
	215	#define OREDIR 57
	216	#define OIF 58
	217	#define OWHILE 59
	218	#define OFOR 60
	219	#define OFORIN 61
	220	#define OVFLD 62
	221	#define OBLOCK 63
	222	#define OREGEX 64
	223	#define OLENGTH 65
	224	#define OLOG 66
	225	#define OEXP 67
	226	#define OSQRT 68
	227	#define OINT 69
a687059c	228	#define ODO 70
	229	#define OPOW 71
	230	#define OSUB 72
	231	#define OGSUB 73
	232	#define OMATCH 74
	233	#define OUSERFUN 75
	234	#define OUSERDEF 76
	235	#define OCLOSE 77
	236	#define OATAN2 78
	237	#define OSIN 79
	238	#define OCOS 80
	239	#define ORAND 81
	240	#define OSRAND 82
	241	#define ODELETE 83
	242	#define OSYSTEM 84
	243	#define OCOND 85
	244	#define ORETURN 86
	245	#define ODEFINED 87
	246	#define OSTAR 88
8d063cd8	247
	248	#ifdef DOINIT
	249	char *opname[] = {
	250	"0",
	251	"PROG",
	252	"JUNK",
	253	"HUNKS",
	254	"RANGE",
	255	"PAT",
	256	"HUNK",
	257	"PPAREN",
	258	"PANDAND",
	259	"POROR",
	260	"PNOT",
	261	"CPAREN",
	262	"CANDAND",
	263	"COROR",
	264	"CNOT",
	265	"RELOP",
	266	"RPAREN",
	267	"MATCHOP",
	268	"MPAREN",
	269	"CONCAT",
	270	"ASSIGN",
	271	"ADD",
a687059c	272	"SUBTRACT",
8d063cd8	273	"MULT",
	274	"DIV",
	275	"MOD",
	276	"POSTINCR",
	277	"POSTDECR",
	278	"PREINCR",
	279	"PREDECR",
	280	"UMINUS",
	281	"UPLUS",
	282	"PAREN",
	283	"GETLINE",
	284	"SPRINTF",
	285	"SUBSTR",
	286	"STRING",
	287	"SPLIT",
	288	"SNEWLINE",
	289	"INDEX",
	290	"NUM",
	291	"STR",
	292	"VAR",
	293	"FLD",
	294	"NEWLINE",
	295	"COMMENT",
	296	"COMMA",
	297	"SEMICOLON",
	298	"SCOMMENT",
	299	"STATES",
	300	"STATE",
	301	"PRINT",
	302	"PRINTF",
	303	"BREAK",
	304	"NEXT",
	305	"EXIT",
	306	"CONTINUE",
	307	"REDIR",
	308	"IF",
	309	"WHILE",
	310	"FOR",
	311	"FORIN",
	312	"VFLD",
	313	"BLOCK",
	314	"REGEX",
	315	"LENGTH",
	316	"LOG",
	317	"EXP",
	318	"SQRT",
	319	"INT",
a687059c	320	"DO",
	321	"POW",
	322	"SUB",
	323	"GSUB",
	324	"MATCH",
	325	"USERFUN",
	326	"USERDEF",
	327	"CLOSE",
	328	"ATAN2",
	329	"SIN",
	330	"COS",
	331	"RAND",
	332	"SRAND",
	333	"DELETE",
	334	"SYSTEM",
	335	"COND",
	336	"RETURN",
	337	"DEFINED",
	338	"STAR",
	339	"89"
8d063cd8	340	};
	341	#else
	342	extern char *opname[];
	343	#endif
	344
a687059c	345	EXT int mop INIT(1);
a687059c	346
d8f2e4cc	347	union u_ops {
8d063cd8	348	int ival;
8d063cd8	349	char *cval;
d8f2e4cc	350	};
	351	#if defined(iAPX286) \|\| defined(M_I286) \|\| defined(I80286) /* 80286 hack */
	352	#define OPSMAX (64000/sizeof(union u_ops)) /* approx. max segment size */
	353	#else
	354	#define OPSMAX 50000
	355	#endif /* 80286 hack */
a0d0e21e	356	EXT union u_ops ops[OPSMAX];
8d063cd8	357
8d063cd8	358	typedef struct string STR;
	359	typedef struct htbl HASH;
	360
	361	#include "str.h"
	362	#include "hash.h"
	363
9c8d0b29	364
8d063cd8	365	/* A string is TRUE if not "" or "0". */
	366	#define True(val) (tmps = (val), (tmps && !(tmps == '0' && !tmps[1])))
	367	EXT char *Yes INIT("1");
	368	EXT char *No INIT("");
	369
	370	#define str_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 )))
	371
	372	#define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%g)",Str->str_nval),buf) : "" )))
	373	#define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
	374	#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(Str)))
	375	EXT STR *Str;
	376
	377	#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
	378
9c8d0b29	379	/* Prototypes for things in a2p.c */
20ce7b12	380	int aryrefarg ( int arg );
	381	int bl ( int arg, int maybe );
	382	void dump ( int branch );
	383	int fixfargs ( int name, int arg, int prevargs );
	384	int fixrargs ( char *name, int arg, int prevargs );
	385	void fixup ( STR *str );
	386	int numary ( int arg );
	387	int oper0 ( int type );
	388	int oper1 ( int type, int arg1 );
	389	int oper2 ( int type, int arg1, int arg2 );
	390	int oper3 ( int type, int arg1, int arg2, int arg3 );
	391	int oper4 ( int type, int arg1, int arg2, int arg3, int arg4 );
	392	int oper5 ( int type, int arg1, int arg2, int arg3, int arg4, int arg5 );
	393	void putlines ( STR *str );
	394	void putone ( void );
	395	int rememberargs ( int arg );
	396	char * scannum ( char *s );
	397	char * scanpat ( char *s );
	398	int string ( char *ptr, int len );
	399	void yyerror ( char *s );
	400	int yylex ( void );
8d063cd8	401
	402	EXT int line INIT(0);
	403
	404	EXT FILE *rsfp;
fe14fcc3	405	EXT char buf[2048];
8d063cd8	406	EXT char *bufptr INIT(buf);
	407
	408	EXT STR *linestr INIT(Nullstr);
	409
fe14fcc3	410	EXT char tokenbuf[2048];
8d063cd8	411	EXT int expectterm INIT(TRUE);
	412
	413	#ifdef DEBUGGING
	414	EXT int debug INIT(0);
	415	EXT int dlevel INIT(0);
9bb9d9f7	416	#define YYDEBUG 1
8d063cd8	417	extern int yydebug;
9d116dd7	418	#else
	419	# ifndef YYDEBUG
	420	# define YYDEBUG 0
	421	# endif
8d063cd8	422	#endif
	423
	424	EXT STR *freestrroot INIT(Nullstr);
	425
	426	EXT STR str_no;
	427	EXT STR str_yes;
	428
	429	EXT bool do_split INIT(FALSE);
	430	EXT bool split_to_array INIT(FALSE);
	431	EXT bool set_array_base INIT(FALSE);
	432	EXT bool saw_RS INIT(FALSE);
	433	EXT bool saw_OFS INIT(FALSE);
	434	EXT bool saw_ORS INIT(FALSE);
	435	EXT bool saw_line_op INIT(FALSE);
	436	EXT bool in_begin INIT(TRUE);
	437	EXT bool do_opens INIT(FALSE);
	438	EXT bool do_fancy_opens INIT(FALSE);
	439	EXT bool lval_field INIT(FALSE);
	440	EXT bool do_chop INIT(FALSE);
	441	EXT bool need_entire INIT(FALSE);
	442	EXT bool absmaxfld INIT(FALSE);
a687059c	443	EXT bool saw_altinput INIT(FALSE);
8d063cd8	444
bf10efe7	445	EXT bool nomemok INIT(FALSE);
bf10efe7	446
8d063cd8	447	EXT char const_FS INIT(0);
	448	EXT char *namelist INIT(Nullch);
	449	EXT char fswitch INIT(0);
a5571d59	450	EXT bool old_awk INIT(0);
8d063cd8	451
	452	EXT int saw_FS INIT(0);
	453	EXT int maxfld INIT(0);
	454	EXT int arymax INIT(0);
a0d0e21e	455	EXT char *nameary[100];
8d063cd8	456
	457	EXT STR *opens;
	458
	459	EXT HASH *symtab;
a687059c	460	EXT HASH *curarghash;
	461
	462	#define P_MIN 0
	463	#define P_LISTOP 5
	464	#define P_COMMA 10
	465	#define P_ASSIGN 15
	466	#define P_COND 20
	467	#define P_DOTDOT 25
	468	#define P_OROR 30
	469	#define P_ANDAND 35
	470	#define P_OR 40
	471	#define P_AND 45
	472	#define P_EQ 50
	473	#define P_REL 55
	474	#define P_UNI 60
	475	#define P_FILETEST 65
	476	#define P_SHIFT 70
	477	#define P_ADD 75
	478	#define P_MUL 80
	479	#define P_MATCH 85
	480	#define P_UNARY 90
	481	#define P_POW 95
	482	#define P_AUTO 100
	483	#define P_MAX 999
79072805	484
79072805	485	EXT int an;