-/* $Header: perl.h,v 1.0.1.2 88/01/24 03:53:47 root Exp $
+/* $Header: perl.h,v 3.0.1.7 90/03/27 16:12:52 lwall Locked $
+ *
+ * Copyright (c) 1989, Larry Wall
+ *
+ * You may distribute under the terms of the GNU General Public License
+ * as specified in the README file that comes with the perl 3.0 kit.
*
* $Log: perl.h,v $
- * Revision 1.0.1.2 88/01/24 03:53:47 root
- * patch 2: hid str_peek() in #ifdef DEBUGGING.
+ * Revision 3.0.1.7 90/03/27 16:12:52 lwall
+ * patch16: MSDOS support
+ * patch16: support for machines that can't cast negative floats to unsigned ints
+ *
+ * Revision 3.0.1.6 90/03/12 16:40:43 lwall
+ * patch13: did some ndir straightening up for Xenix
+ *
+ * Revision 3.0.1.5 90/02/28 17:52:28 lwall
+ * patch9: Configure now determines whether volatile is supported
+ * patch9: volatilized some more variables for super-optimizing compilers
+ * patch9: unused VREG symbol deleted
+ * patch9: perl can now start up other interpreters scripts
+ * patch9: you may now undef $/ to have no input record separator
+ * patch9: nested evals clobbered their longjmp environment
*
- * Revision 1.0.1.1 88/01/21 21:29:23 root
- * No longer defines STDSTDIO--gets it from config.h now.
+ * Revision 3.0.1.4 89/12/21 20:07:35 lwall
+ * patch7: arranged for certain registers to be restored after longjmp()
+ * patch7: Configure now compiles a test program to figure out time.h fiasco
+ * patch7: Configure now detects DG/UX thingies like [sg]etpgrp2 and utime.h
+ * patch7: memcpy() and memset() return void in __STDC__
+ * patch7: errno may now be a macro with an lvalue
+ * patch7: ANSI strerror() is now supported
+ * patch7: Xenix support for sys/ndir.h, cross compilation
*
- * Revision 1.0 87/12/18 13:05:38 root
- * Initial revision
+ * Revision 3.0.1.3 89/11/17 15:28:57 lwall
+ * patch5: byteorder now is a hex value
+ * patch5: Configure now looks for <time.h> including <sys/time.h>
+ *
+ * Revision 3.0.1.2 89/11/11 04:39:38 lwall
+ * patch2: Configure may now set -DDEBUGGING
+ * patch2: netinet/in.h needed sys/types.h some places
+ * patch2: more <sys/time.h> and <time.h> wrangling
+ * patch2: yydebug moved to where type doesn't matter
+ *
+ * Revision 3.0.1.1 89/10/26 23:17:08 lwall
+ * patch1: vfork now conditionally defined based on VFORK
+ * patch1: DEC risc machines have a buggy memcmp
+ * patch1: perl.h now includes <netinet/in.h> if it exists
+ *
+ * Revision 3.0 89/10/18 15:21:21 lwall
+ * 3.0 baseline
*
*/
-#define DEBUGGING
-
#define VOIDUSED 1
#include "config.h"
-#ifndef BCOPY
-# define bcopy(s1,s2,l) memcpy(s2,s1,l);
-# define bzero(s,l) memset(s,0,l);
+#ifdef MSDOS
+/*
+ * BUGGY_MSC:
+ * This symbol is defined if you are the unfortunate owner of a buggy
+ * Microsoft C compiler and want to use intrinsic functions. Versions
+ * up to 5.1 are known conform to this definition. This is not needed
+ * under Unix.
+ */
+#define BUGGY_MSC /**/
+/*
+ * BINARY:
+ * This symbol is defined if you run under an operating system that
+ * distinguishes between binary and text files. If so the function
+ * setmode will be used to set the file into binary mode. Unix
+ * doesn't distinguish.
+ */
+#define BINARY /**/
+
+#else /* !MSDOS */
+
+/*
+ * The following symbols are defined if your operating system supports
+ * functions by that name. All Unixes I know of support them, thus they
+ * are not checked by the configuration script, but are directly defined
+ * here.
+ */
+#define CHOWN
+#define CHROOT
+#define FORK
+#define GETLOGIN
+#define GETPPID
+#define KILL
+#define LINK
+#define PIPE
+#define WAIT
+#define UMASK
+/*
+ * The following symbols are defined if your operating system supports
+ * password and group functions in general. All Unix systems do.
+ */
+#define GROUP
+#define PASSWD
+
+#endif /* !MSDOS */
+
+#if defined(HASVOLATILE) || defined(__STDC__)
+#define VOLATILE volatile
+#else
+#define VOLATILE
+#endif
+
+#ifdef IAMSUID
+# ifndef TAINT
+# define TAINT
+# endif
+#endif
+
+#ifndef VFORK
+# define vfork fork
+#endif
+
+#ifdef GETPGRP2
+# ifndef GETPGRP
+# define GETPGRP
+# endif
+# define getpgrp getpgrp2
+#endif
+
+#ifdef SETPGRP2
+# ifndef SETPGRP
+# define SETPGRP
+# endif
+# define setpgrp setpgrp2
+#endif
+
+#if defined(MEMCMP) && defined(mips) && BYTEORDER == 0x1234
+#undef MEMCMP
+#endif
+
+#ifdef MEMCPY
+#ifndef memcpy
+#ifdef __STDC__
+extern void *memcpy(), *memset();
+#else
+extern char *memcpy(), *memset();
+#endif
+#endif
+#define bcopy(s1,s2,l) memcpy(s2,s1,l)
+#define bzero(s,l) memset(s,0,l)
+#endif
+#ifndef BCMP /* prefer bcmp slightly 'cuz it doesn't order */
+#define bcmp(s1,s2,l) memcmp(s1,s2,l)
#endif
#include <stdio.h>
#include <ctype.h>
#include <setjmp.h>
+#include <sys/param.h> /* if this needs types.h we're still wrong */
+
+#ifndef _TYPES_ /* If types.h defines this it's easy. */
+#ifndef major /* Does everyone's types.h define this? */
#include <sys/types.h>
+#endif
+#endif
+
+#ifdef I_NETINET_IN
+#include <netinet/in.h>
+#endif
+
#include <sys/stat.h>
-#ifdef TMINSYS
-#include <sys/time.h>
-#else
-#include <time.h>
+#ifdef I_TIME
+# include <time.h>
+#endif
+
+#ifdef I_SYSTIME
+# ifdef SYSTIMEKERNEL
+# define KERNEL
+# endif
+# include <sys/time.h>
+# ifdef SYSTIMEKERNEL
+# undef KERNEL
+# endif
#endif
#include <sys/times.h>
+#if defined(STRERROR) && (!defined(MKDIR) || !defined(RMDIR))
+#undef STRERROR
+#endif
+
+#include <errno.h>
+#ifndef errno
+extern int errno; /* ANSI allows errno to be an lvalue expr */
+#endif
+
+#ifdef STRERROR
+char *strerror();
+#else
+extern int sys_nerr;
+extern char *sys_errlist[];
+#define strerror(e) ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e])
+#endif
+
+#ifdef I_SYSIOCTL
+#ifndef _IOCTL_
+#include <sys/ioctl.h>
+#endif
+#endif
+
+#if defined(mc300) || defined(mc500) || defined(mc700) /* MASSCOMP */
+#ifdef SOCKETPAIR
+#undef SOCKETPAIR
+#endif
+#ifdef NDBM
+#undef NDBM
+#endif
+#endif
+
+#ifdef NDBM
+#include <ndbm.h>
+#define SOME_DBM
+#ifdef ODBM
+#undef ODBM
+#endif
+#else
+#ifdef ODBM
+#ifdef NULL
+#undef NULL /* suppress redefinition message */
+#endif
+#include <dbm.h>
+#ifdef NULL
+#undef NULL
+#endif
+#define NULL 0 /* silly thing is, we don't even use this */
+#define SOME_DBM
+#define dbm_fetch(db,dkey) fetch(dkey)
+#define dbm_delete(db,dkey) delete(dkey)
+#define dbm_store(db,dkey,dcontent,flags) store(dkey,dcontent)
+#define dbm_close(db) dbmclose()
+#define dbm_firstkey(db) firstkey()
+#endif /* ODBM */
+#endif /* NDBM */
+#ifdef SOME_DBM
+EXT char *dbmkey;
+EXT int dbmlen;
+#endif
+
+#if INTSIZE == 2
+#define htoni htons
+#define ntohi ntohs
+#else
+#define htoni htonl
+#define ntohi ntohl
+#endif
+
+#if defined(I_DIRENT) && !defined(M_XENIX)
+# include <dirent.h>
+# define DIRENT dirent
+#else
+# ifdef I_SYSNDIR
+# include <sys/ndir.h>
+# define DIRENT direct
+# else
+# ifdef I_SYSDIR
+# ifdef hp9000s500
+# include <ndir.h> /* may be wrong in the future */
+# else
+# include <sys/dir.h>
+# endif
+# define DIRENT direct
+# endif
+# endif
+#endif
+
typedef struct arg ARG;
typedef struct cmd CMD;
typedef struct formcmd FCMD;
typedef struct scanpat SPAT;
-typedef struct stab STAB;
typedef struct stio STIO;
+typedef struct sub SUBR;
typedef struct string STR;
typedef struct atbl ARRAY;
typedef struct htbl HASH;
+typedef struct regexp REGEXP;
+typedef struct stabptrs STBP;
+typedef struct stab STAB;
+#include "handy.h"
+#include "regexp.h"
#include "str.h"
+#include "util.h"
#include "form.h"
#include "stab.h"
#include "spat.h"
#include "array.h"
#include "hash.h"
+#if defined(iAPX286) || defined(M_I286) || defined(I80286) || defined(M_I86)
+# define I286
+#endif
+
+#ifndef __STDC__
#ifdef CHARSPRINTF
char *sprintf();
#else
int sprintf();
#endif
+#endif
-/* 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 )))
+/* "gimme" values */
+
+/* Note: cmd.c assumes that it can use && to produce one of these values! */
+#define G_SCALAR 0
+#define G_ARRAY 1
+
+#ifdef CRIPPLED_CC
+int str_true();
+#else /* !CRIPPLED_CC */
+#define str_true(str) (Str = (str), \
+ (Str->str_pok ? \
+ ((*Str->str_ptr > '0' || \
+ Str->str_cur > 1 || \
+ (Str->str_cur && *Str->str_ptr != '0')) ? 1 : 0) \
+ : \
+ (Str->str_nok ? (Str->str_u.str_nval != 0.0) : 0 ) ))
+#endif /* CRIPPLED_CC */
#ifdef DEBUGGING
-#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_peek(str) (Str = (str), \
+ (Str->str_pok ? \
+ Str->str_ptr : \
+ (Str->str_nok ? \
+ (sprintf(tokenbuf,"num(%g)",Str->str_u.str_nval), \
+ (char*)tokenbuf) : \
+ "" )))
#endif
+#ifdef CRIPPLED_CC
+char *str_get();
+#else
+#ifdef TAINT
+#define str_get(str) (Str = (str), tainted |= Str->str_tainted, \
+ (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
+#else
#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)))
+#endif /* TAINT */
+#endif /* CRIPPLED_CC */
+
+#ifdef CRIPPLED_CC
+double str_gnum();
+#else /* !CRIPPLED_CC */
+#ifdef TAINT
+#define str_gnum(str) (Str = (str), tainted |= Str->str_tainted, \
+ (Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
+#else /* !TAINT */
+#define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_u.str_nval : str_2num(Str)))
+#endif /* TAINT*/
+#endif /* CRIPPLED_CC */
EXT STR *Str;
#define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
+#define STR_GROW(str,len) if ((str)->str_len < (len)) str_grow(str,len)
+
+#ifndef BYTEORDER
+#define BYTEORDER 0x1234
+#endif
+
+#if defined(htonl) && !defined(HTONL)
+#define HTONL
+#endif
+#if defined(htons) && !defined(HTONS)
+#define HTONS
+#endif
+#if defined(ntohl) && !defined(NTOHL)
+#define NTOHL
+#endif
+#if defined(ntohs) && !defined(NTOHS)
+#define NTOHS
+#endif
+#ifndef HTONL
+#if (BYTEORDER != 0x4321) && (BYTEORDER != 0x87654321)
+#define HTONS
+#define HTONL
+#define NTOHS
+#define NTOHL
+#define MYSWAP
+#define htons my_swap
+#define htonl my_htonl
+#define ntohs my_swap
+#define ntohl my_ntohl
+#endif
+#else
+#if (BYTEORDER == 0x4321) || (BYTEORDER == 0x87654321)
+#undef HTONS
+#undef HTONL
+#undef NTOHS
+#undef NTOHL
+#endif
+#endif
+
+#ifdef CASTNEGFLOAT
+#define U_S(what) ((unsigned short)(what))
+#define U_I(what) ((unsigned int)(what))
+#define U_L(what) ((unsigned long)(what))
+#else
+unsigned long castulong();
+#define U_S(what) ((unsigned int)castulong(what))
+#define U_I(what) ((unsigned int)castulong(what))
+#define U_L(what) (castulong(what))
+#endif
+
CMD *add_label();
CMD *block_head();
CMD *append_line();
CMD *make_acmd();
CMD *make_ccmd();
+CMD *make_icmd();
CMD *invert();
CMD *addcond();
CMD *addloop();
CMD *wopt();
-
-SPAT *stab_to_spat();
+CMD *over();
STAB *stabent();
+STAB *genstab();
-ARG *stab_to_arg();
+ARG *stab2arg();
ARG *op_new();
ARG *make_op();
-ARG *make_lval();
ARG *make_match();
ARG *make_split();
-ARG *flipflip();
+ARG *rcatmaybe();
+ARG *listish();
+ARG *maybelistish();
+ARG *localize();
+ARG *fixeval();
+ARG *jmaybe();
+ARG *l();
+ARG *fixl();
+ARG *mod_match();
+ARG *make_list();
+ARG *cmd_to_arg();
+ARG *addflags();
+ARG *hide_ary();
+ARG *cval_to_arg();
-STR *arg_to_str();
STR *str_new();
STR *stab_str();
-STR *eval();
+
+int do_each();
+int do_subr();
+int do_match();
+int do_unpack();
+int eval(); /* this evaluates expressions */
+int do_eval(); /* this evaluates eval operator */
+int do_assign();
+
+SUBR *make_sub();
FCMD *load_format();
char *scantrans();
char *scanstr();
char *scanreg();
-char *reg_get();
char *str_append_till();
char *str_gets();
+char *str_grow();
-bool do_match();
bool do_open();
bool do_close();
bool do_print();
+bool do_aprint();
+bool do_exec();
+bool do_aexec();
int do_subst();
+int cando();
+int ingroup();
+void str_replace();
+void str_inc();
+void str_dec();
void str_free();
-void freearg();
-
-EXT int line INIT(0);
+void stab_clear();
+void do_join();
+void do_sprintf();
+void do_accept();
+void do_pipe();
+void do_vecset();
+void savelist();
+void saveitem();
+void saveint();
+void savelong();
+void savesptr();
+void savehptr();
+void restorelist();
+void repeatcpy();
+HASH *savehash();
+ARRAY *saveary();
+
+EXT char **origargv;
+EXT int origargc;
+EXT line_t line INIT(0);
+EXT line_t subline INIT(0);
+EXT STR *subname INIT(Nullstr);
EXT int arybase INIT(0);
struct outrec {
- int o_lines;
- char *o_str;
- int o_len;
+ line_t o_lines;
+ char *o_str;
+ int o_len;
};
EXT struct outrec outrec;
EXT struct outrec toprec;
+EXT STAB *stdinstab INIT(Nullstab);
EXT STAB *last_in_stab INIT(Nullstab);
EXT STAB *defstab INIT(Nullstab);
EXT STAB *argvstab INIT(Nullstab);
EXT STAB *defoutstab INIT(Nullstab);
EXT STAB *curoutstab INIT(Nullstab);
EXT STAB *argvoutstab INIT(Nullstab);
+EXT STAB *incstab INIT(Nullstab);
+EXT STAB *leftstab INIT(Nullstab);
+EXT STAB *amperstab INIT(Nullstab);
+EXT STAB *rightstab INIT(Nullstab);
+EXT STAB *DBstab INIT(Nullstab);
+EXT STAB *DBsub INIT(Nullstab);
+
+EXT HASH *defstash; /* main symbol table */
+EXT HASH *curstash; /* symbol table for current package */
+EXT HASH *debstash; /* symbol table for perldb package */
+
+EXT STR *curstname; /* name of current package */
EXT STR *freestrroot INIT(Nullstr);
+EXT STR *lastretstr INIT(Nullstr);
+EXT STR *DBsingle INIT(Nullstr);
+
+EXT int lastspbase;
+EXT int lastsize;
-EXT FILE *rsfp;
+EXT char *filename;
+EXT char *origfilename;
+EXT FILE * VOLATILE rsfp;
EXT char buf[1024];
-EXT char *bufptr INIT(buf);
+EXT char *bufptr;
+EXT char *oldbufptr;
+EXT char *oldoldbufptr;
+EXT char *bufend;
EXT STR *linestr INIT(Nullstr);
-EXT char record_separator INIT('\n');
+EXT int record_separator INIT('\n');
+EXT int rslen INIT(1);
EXT char *ofs INIT(Nullch);
+EXT int ofslen INIT(0);
EXT char *ors INIT(Nullch);
+EXT int orslen INIT(0);
EXT char *ofmt INIT(Nullch);
EXT char *inplace INIT(Nullch);
+EXT char *nointrp INIT("");
+
+EXT bool preprocess INIT(FALSE);
+EXT bool minus_n INIT(FALSE);
+EXT bool minus_p INIT(FALSE);
+EXT bool minus_a INIT(FALSE);
+EXT bool doswitches INIT(FALSE);
+EXT bool dowarn INIT(FALSE);
+EXT bool allstabs INIT(FALSE); /* init all customary symbols in symbol table?*/
+EXT bool sawampersand INIT(FALSE); /* must save all match strings */
+EXT bool sawstudy INIT(FALSE); /* do fbminstr on all strings */
+EXT bool sawi INIT(FALSE); /* study must assume case insensitive */
+EXT bool sawvec INIT(FALSE);
+EXT bool localizing INIT(FALSE); /* are we processing a local() list? */
+
+#ifdef CSH
+char *cshname INIT(CSH);
+int cshlen INIT(0);
+#endif /* CSH */
+
+#ifdef TAINT
+EXT bool tainted INIT(FALSE); /* using variables controlled by $< */
+#endif
+
+#define TMPPATH "/tmp/perl-eXXXXXX"
+EXT char *e_tmpname;
+EXT FILE *e_fp INIT(Nullfp);
EXT char tokenbuf[256];
-EXT int expectterm INIT(TRUE);
-EXT int lex_newlines INIT(FALSE);
+EXT int expectterm INIT(TRUE); /* how to interpret ambiguous tokens */
+EXT VOLATILE int in_eval INIT(FALSE); /* trap fatal errors? */
+EXT int multiline INIT(0); /* $*--do strings hold >1 line? */
+EXT int forkprocess; /* so do_open |- can return proc# */
+EXT int do_undump INIT(0); /* -u or dump seen? */
+EXT int error_count INIT(0); /* how many errors so far, max 10 */
+EXT int multi_start INIT(0); /* 1st line of multi-line string */
+EXT int multi_end INIT(0); /* last line of multi-line string */
+EXT int multi_open INIT(0); /* delimiter of said string */
+EXT int multi_close INIT(0); /* delimiter of said string */
FILE *popen();
/* char *str_get(); */
STIO *stio_new();
EXT struct stat statbuf;
+EXT struct stat statcache;
+STAB *statstab INIT(Nullstab);
+STR *statname;
EXT struct tms timesbuf;
+EXT int uid;
+EXT int euid;
+EXT int gid;
+EXT int egid;
+UIDTYPE getuid();
+UIDTYPE geteuid();
+GIDTYPE getgid();
+GIDTYPE getegid();
+EXT int unsafe;
#ifdef DEBUGGING
-EXT int debug INIT(0);
+EXT VOLATILE int debug INIT(0);
EXT int dlevel INIT(0);
-EXT char debname[40];
-EXT char debdelim[40];
-#define YYDEBUG;
-extern int yydebug;
+EXT int dlmax INIT(128);
+EXT char *debname;
+EXT char *debdelim;
+#define YYDEBUG 1
#endif
+EXT int perldb INIT(0);
+EXT line_t cmdline INIT(NOLINE);
+
+EXT STR str_undef;
EXT STR str_no;
EXT STR str_yes;
/* runtime control stuff */
EXT struct loop {
- char *loop_label;
+ char *loop_label; /* what the loop was called, if anything */
+ int loop_sp; /* stack pointer to copy stuff down to */
jmp_buf loop_env;
-} loop_stack[32];
+} *loop_stack;
EXT int loop_ptr INIT(-1);
+EXT int loop_max INIT(128);
EXT jmp_buf top_env;
-EXT char *goto_targ INIT(Nullch); /* cmd_exec gets strange when set */
+EXT char * VOLATILE goto_targ INIT(Nullch); /* cmd_exec gets strange when set */
+
+EXT ARRAY *stack; /* THE STACK */
+
+EXT ARRAY * VOLATILE savestack; /* to save non-local values on */
+
+EXT ARRAY *tosave; /* strings to save on recursive subroutine */
+
+EXT ARRAY *lineary; /* lines of script for debugger */
+
+EXT ARRAY *pidstatary; /* keep pids and statuses by fd for mypopen */
+
+EXT int *di; /* for tmp use in debuggers */
+EXT char *dc;
+EXT short *ds;
double atof();
long time();
struct tm *gmtime(), *localtime();
+char *mktemp();
+char *index(), *rindex();
+char *strcpy(), *strcat();
#ifdef EUNICE
-#define UNLINK(f) while (unlink(f) >= 0)
+#define UNLINK unlnk
+int unlnk();
#else
#define UNLINK unlink
#endif
+
+#ifndef SETREUID
+#ifdef SETRESUID
+#define setreuid(r,e) setresuid(r,e,-1)
+#define SETREUID
+#endif
+#endif
+#ifndef SETREGID
+#ifdef SETRESGID
+#define setregid(r,e) setresgid(r,e,-1)
+#define SETREGID
+#endif
+#endif