/* $RCSfile: perl.h,v $$Revision: 4.1 $$Date: 92/08/07 18:25:56 $ * * Copyright (c) 1991, 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: perl.h,v $ * Revision 4.1 92/08/07 18:25:56 lwall * * Revision 4.0.1.6 92/06/08 14:55:10 lwall * patch20: added Atari ST portability * patch20: bcopy() and memcpy() now tested for overlap safety * patch20: Perl now distinguishes overlapped copies from non-overlapped * patch20: removed implicit int declarations on functions * * Revision 4.0.1.5 91/11/11 16:41:07 lwall * patch19: uts wrongly defines S_ISDIR() et al * patch19: too many preprocessors can't expand a macro right in #if * patch19: added little-endian pack/unpack options * * Revision 4.0.1.4 91/11/05 18:06:10 lwall * patch11: various portability fixes * patch11: added support for dbz * patch11: added some support for 64-bit integers * patch11: hex() didn't understand leading 0x * * Revision 4.0.1.3 91/06/10 01:25:10 lwall * patch10: certain pattern optimizations were botched * * Revision 4.0.1.2 91/06/07 11:28:33 lwall * patch4: new copyright notice * patch4: made some allowances for "semi-standard" C * patch4: many, many itty-bitty portability fixes * * Revision 4.0.1.1 91/04/11 17:49:51 lwall * patch1: hopefully straightened out some of the Xenix mess * * Revision 4.0 91/03/20 01:37:56 lwall * 4.0 baseline. * */ #include "embed.h" #define VOIDWANT 1 #ifdef __cplusplus #include "config_c++.h" #else #include "config.h" #endif #ifndef BYTEORDER # define BYTEORDER 0x1234 #endif /* Overall memory policy? */ #ifndef CONSERVATIVE # define LIBERAL 1 #endif /* * The following contortions are brought to you on behalf of all the * standards, semi-standards, de facto standards, not-so-de-facto standards * of the world, as well as all the other botches anyone ever thought of. * The basic theory is that if we work hard enough here, the rest of the * code can be a lot prettier. Well, so much for theory. Sorry, Henry... */ #ifdef MYMALLOC # ifdef HIDEMYMALLOC # define malloc Mymalloc # define realloc Myremalloc # define free Myfree # endif # define safemalloc malloc # define saferealloc realloc # define safefree free #endif /* work around some libPW problems */ #ifdef DOINIT char Error[1]; #endif /* define this once if either system, instead of cluttering up the src */ #if defined(MSDOS) || defined(atarist) #define DOSISH 1 #endif #if defined(__STDC__) || defined(_AIX) || defined(__stdc__) || defined(__cplusplus) # define STANDARD_C 1 #endif #if defined(STANDARD_C) # define P(args) args #else # define P(args) () #endif #if defined(HASVOLATILE) || defined(STANDARD_C) # ifdef __cplusplus # define VOL // to temporarily suppress warnings # else # define VOL volatile # endif #else # define VOL #endif #define TAINT_IF(c) (tainted |= (c)) #define TAINT_NOT (tainted = 0) #define TAINT_PROPER(s) if (tainting) taint_proper(no_security, s) #define TAINT_ENV() if (tainting) taint_env() #ifndef HAS_VFORK # define vfork fork #endif #ifdef HAS_GETPGRP2 # ifndef HAS_GETPGRP # define HAS_GETPGRP # endif # define getpgrp getpgrp2 #endif #ifdef HAS_SETPGRP2 # ifndef HAS_SETPGRP # define HAS_SETPGRP # endif # define setpgrp setpgrp2 #endif #include #include #include #ifndef MSDOS # ifdef PARAM_NEEDS_TYPES # include # endif # include #endif /* Use all the "standard" definitions? */ #ifdef STANDARD_C # include # include # define MEM_SIZE size_t #else typedef unsigned int MEM_SIZE; #endif /* STANDARD_C */ #if defined(HAS_MEMCMP) && defined(mips) && defined(ultrix) # undef HAS_MEMCMP #endif #ifdef HAS_MEMCPY # ifndef STANDARD_C # ifndef memcpy extern char * memcpy P((char*, char*, int)); # endif # endif #else # ifndef memcpy # ifdef HAS_BCOPY # define memcpy(d,s,l) bcopy(s,d,l) # else # define memcpy(d,s,l) my_bcopy(s,d,l) # endif # endif #endif /* HAS_MEMCPY */ #ifdef HAS_MEMSET # ifndef STANDARD_C # ifndef memset extern char *memset P((char*, int, int)); # endif # endif # define memzero(d,l) memset(d,0,l) #else # ifndef memzero # ifdef HAS_BZERO # define memzero(d,l) bzero(d,l) # else # define memzero(d,l) my_bzero(d,l) # endif # endif #endif /* HAS_MEMSET */ #ifdef HAS_MEMCMP # ifndef STANDARD_C # ifndef memcmp extern int memcmp P((char*, char*, int)); # endif # endif #else # ifndef memcmp # define memcmp(s1,s2,l) my_memcmp(s1,s2,l) # endif #endif /* HAS_MEMCMP */ /* we prefer bcmp slightly for comparisons that don't care about ordering */ #ifndef HAS_BCMP # ifndef bcmp # define bcmp(s1,s2,l) memcmp(s1,s2,l) # endif #endif /* HAS_BCMP */ #ifndef HAS_MEMMOVE # if defined(HAS_BCOPY) && defined(SAFE_BCOPY) # define memmove(d,s,l) bcopy(s,d,l) # else # if defined(HAS_MEMCPY) && defined(SAFE_MEMCPY) # define memmove(d,s,l) memcpy(d,s,l) # else # define memmove(d,s,l) my_bcopy(s,d,l) # endif # endif #endif #ifndef _TYPES_ /* If types.h defines this it's easy. */ # ifndef major /* Does everyone's types.h define this? */ # include # endif #endif #ifdef I_NETINET_IN # include #endif #include #if defined(uts) || defined(UTekV) # undef S_ISDIR # undef S_ISCHR # undef S_ISBLK # undef S_ISREG # undef S_ISFIFO # undef S_ISLNK # define S_ISDIR(P) (((P)&S_IFMT)==S_IFDIR) # define S_ISCHR(P) (((P)&S_IFMT)==S_IFCHR) # define S_ISBLK(P) (((P)&S_IFMT)==S_IFBLK) # define S_ISREG(P) (((P)&S_IFMT)==S_IFREG) # define S_ISFIFO(P) (((P)&S_IFMT)==S_IFIFO) # ifdef S_IFLNK # define S_ISLNK(P) (((P)&S_IFMT)==S_IFLNK) # endif #endif #ifdef I_TIME # include #endif #ifdef I_SYS_TIME # ifdef SYSTIMEKERNEL # define KERNEL # endif # include # ifdef SYSTIMEKERNEL # undef KERNEL # endif #endif #ifndef MSDOS #include #endif #if defined(HAS_STRERROR) && (!defined(HAS_MKDIR) || !defined(HAS_RMDIR)) # undef HAS_STRERROR #endif #include #ifdef HAS_SOCKET # ifndef ENOTSOCK # include # endif #endif #ifndef MSDOS # ifndef errno extern int errno; /* ANSI allows errno to be an lvalue expr */ # endif #endif #ifndef strerror # ifdef HAS_STRERROR char *strerror P((int)); # else extern int sys_nerr; extern char *sys_errlist[]; # define strerror(e) \ ((e) < 0 || (e) >= sys_nerr ? "(unknown)" : sys_errlist[e]) # endif #endif #ifdef I_SYSIOCTL # ifndef _IOCTL_ # include # endif #endif #if defined(mc300) || defined(mc500) || defined(mc700) || defined(mc6000) # ifdef HAS_SOCKETPAIR # undef HAS_SOCKETPAIR # endif # ifdef HAS_NDBM # undef HAS_NDBM # endif #endif #if INTSIZE == 2 # define htoni htons # define ntohi ntohs #else # define htoni htonl # define ntohi ntohl #endif #if defined(I_DIRENT) # include # define DIRENT dirent #else # ifdef I_SYS_NDIR # include # define DIRENT direct # else # ifdef I_SYS_DIR # ifdef hp9000s500 # include /* may be wrong in the future */ # else # include # endif # define DIRENT direct # endif # endif #endif #ifdef FPUTS_BOTCH /* work around botch in SunOS 4.0.1 and 4.0.2 */ # ifndef fputs # define fputs(sv,fp) fprintf(fp,"%s",sv) # endif #endif /* * The following gobbledygook brought to you on behalf of __STDC__. * (I could just use #ifndef __STDC__, but this is more bulletproof * in the face of half-implementations.) */ #ifndef S_IFMT # ifdef _S_IFMT # define S_IFMT _S_IFMT # else # define S_IFMT 0170000 # endif #endif #ifndef S_ISDIR # define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR) #endif #ifndef S_ISCHR # define S_ISCHR(m) ((m & S_IFMT) == S_IFCHR) #endif #ifndef S_ISBLK # ifdef S_IFBLK # define S_ISBLK(m) ((m & S_IFMT) == S_IFBLK) # else # define S_ISBLK(m) (0) # endif #endif #ifndef S_ISREG # define S_ISREG(m) ((m & S_IFMT) == S_IFREG) #endif #ifndef S_ISFIFO # ifdef S_IFIFO # define S_ISFIFO(m) ((m & S_IFMT) == S_IFIFO) # else # define S_ISFIFO(m) (0) # endif #endif #ifndef S_ISLNK # ifdef _S_ISLNK # define S_ISLNK(m) _S_ISLNK(m) # else # ifdef _S_IFLNK # define S_ISLNK(m) ((m & S_IFMT) == _S_IFLNK) # else # ifdef S_IFLNK # define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK) # else # define S_ISLNK(m) (0) # endif # endif # endif #endif #ifndef S_ISSOCK # ifdef _S_ISSOCK # define S_ISSOCK(m) _S_ISSOCK(m) # else # ifdef _S_IFSOCK # define S_ISSOCK(m) ((m & S_IFMT) == _S_IFSOCK) # else # ifdef S_IFSOCK # define S_ISSOCK(m) ((m & S_IFMT) == S_IFSOCK) # else # define S_ISSOCK(m) (0) # endif # endif # endif #endif #ifndef S_IRUSR # ifdef S_IREAD # define S_IRUSR S_IREAD # define S_IWUSR S_IWRITE # define S_IXUSR S_IEXEC # else # define S_IRUSR 0400 # define S_IWUSR 0200 # define S_IXUSR 0100 # endif # define S_IRGRP (S_IRUSR>>3) # define S_IWGRP (S_IWUSR>>3) # define S_IXGRP (S_IXUSR>>3) # define S_IROTH (S_IRUSR>>6) # define S_IWOTH (S_IWUSR>>6) # define S_IXOTH (S_IXUSR>>6) #endif #ifndef S_ISUID # define S_ISUID 04000 #endif #ifndef S_ISGID # define S_ISGID 02000 #endif #ifdef ff_next # undef ff_next #endif #if defined(cray) || defined(gould) || defined(i860) # define SLOPPYDIVIDE #endif #if defined(cray) || defined(convex) || defined (uts) || BYTEORDER > 0xffff # define QUAD #endif #ifdef QUAD # ifdef cray # define quad int # else # if defined(convex) || defined (uts) # define quad long long # else # define quad long # endif # endif #endif #ifdef VOIDSIG # define VOIDRET void #else # define VOIDRET int #endif #ifdef DOSISH # include "dosish.h" #else # include "unixish.h" #endif #ifndef HAS_PAUSE #define pause() sleep((32767<<16)+32767) #endif #ifndef IOCPARM_LEN # ifdef IOCPARM_MASK /* on BSDish systes we're safe */ # define IOCPARM_LEN(x) (((x) >> 16) & IOCPARM_MASK) # else /* otherwise guess at what's safe */ # define IOCPARM_LEN(x) 256 # endif #endif typedef MEM_SIZE STRLEN; typedef struct op OP; typedef struct cop COP; typedef struct unop UNOP; typedef struct binop BINOP; typedef struct listop LISTOP; typedef struct logop LOGOP; typedef struct condop CONDOP; typedef struct pmop PMOP; typedef struct svop SVOP; typedef struct gvop GVOP; typedef struct pvop PVOP; typedef struct cvop CVOP; typedef struct loop LOOP; typedef struct Outrec Outrec; typedef struct lstring Lstring; typedef struct interpreter PerlInterpreter; typedef struct ff FF; typedef struct sv SV; typedef struct av AV; typedef struct hv HV; typedef struct cv CV; typedef struct regexp REGEXP; typedef struct gp GP; typedef struct sv GV; typedef struct io IO; typedef struct context CONTEXT; typedef struct block BLOCK; typedef struct magic MAGIC; typedef struct xrv XRV; typedef struct xpv XPV; typedef struct xpviv XPVIV; typedef struct xpvnv XPVNV; typedef struct xpvmg XPVMG; typedef struct xpvlv XPVLV; typedef struct xpvav XPVAV; typedef struct xpvhv XPVHV; typedef struct xpvgv XPVGV; typedef struct xpvcv XPVCV; typedef struct xpvbm XPVBM; typedef struct xpvfm XPVFM; typedef struct xpvio XPVIO; typedef struct mgvtbl MGVTBL; typedef union any ANY; #include "handy.h" union any { void* any_ptr; I32 any_i32; }; #include "regexp.h" #include "sv.h" #include "util.h" #include "form.h" #include "gv.h" #include "cv.h" #include "opcode.h" #include "op.h" #include "cop.h" #include "av.h" #include "hv.h" #include "mg.h" #include "scope.h" #if defined(iAPX286) || defined(M_I286) || defined(I80286) # define I286 #endif #ifndef STANDARD_C # ifdef CHARSPRINTF char *sprintf P((char *, ...)); # else int sprintf P((char *, ...)); # endif #endif #if defined(htonl) && !defined(HAS_HTONL) #define HAS_HTONL #endif #if defined(htons) && !defined(HAS_HTONS) #define HAS_HTONS #endif #if defined(ntohl) && !defined(HAS_NTOHL) #define HAS_NTOHL #endif #if defined(ntohs) && !defined(HAS_NTOHS) #define HAS_NTOHS #endif #ifndef HAS_HTONL #if (BYTEORDER & 0xffff) != 0x4321 #define HAS_HTONS #define HAS_HTONL #define HAS_NTOHS #define HAS_NTOHL #define MYSWAP #define htons my_swap #define htonl my_htonl #define ntohs my_swap #define ntohl my_ntohl #endif #else #if (BYTEORDER & 0xffff) == 0x4321 #undef HAS_HTONS #undef HAS_HTONL #undef HAS_NTOHS #undef HAS_NTOHL #endif #endif /* * Little-endian byte order functions - 'v' for 'VAX', or 'reVerse'. * -DWS */ #if BYTEORDER != 0x1234 # define HAS_VTOHL # define HAS_VTOHS # define HAS_HTOVL # define HAS_HTOVS # if BYTEORDER == 0x4321 # define vtohl(x) ((((x)&0xFF)<<24) \ +(((x)>>24)&0xFF) \ +(((x)&0x0000FF00)<<8) \ +(((x)&0x00FF0000)>>8) ) # define vtohs(x) ((((x)&0xFF)<<8) + (((x)>>8)&0xFF)) # define htovl(x) vtohl(x) # define htovs(x) vtohs(x) # endif /* otherwise default to functions in util.c */ #endif #ifdef CASTNEGFLOAT #define U_S(what) ((U16)(what)) #define U_I(what) ((unsigned int)(what)) #define U_L(what) ((U32)(what)) #else U32 cast_ulong P((double)); #define U_S(what) ((U16)cast_ulong(what)) #define U_I(what) ((unsigned int)cast_ulong(what)) #define U_L(what) (cast_ulong(what)) #endif #ifdef CASTI32 #define I_32(what) ((I32)(what)) #else I32 cast_i32 P((double)); #define I_32(what) (cast_i32(what)) #endif struct Outrec { I32 o_lines; char *o_str; U32 o_len; }; #ifndef MAXSYSFD # define MAXSYSFD 2 #endif #ifndef DOSISH #define TMPPATH "/tmp/perl-eXXXXXX" #else #define TMPPATH "plXXXXXX" #endif /* MSDOS */ #ifndef __cplusplus UIDTYPE getuid P(()); UIDTYPE geteuid P(()); GIDTYPE getgid P(()); GIDTYPE getegid P(()); #endif #ifdef DEBUGGING #define YYDEBUG 1 #define DEB(a) a #define DEBUG(a) if (debug) a #define DEBUG_p(a) if (debug & 1) a #define DEBUG_s(a) if (debug & 2) a #define DEBUG_l(a) if (debug & 4) a #define DEBUG_t(a) if (debug & 8) a #define DEBUG_o(a) if (debug & 16) a #define DEBUG_c(a) if (debug & 32) a #define DEBUG_P(a) if (debug & 64) a #define DEBUG_m(a) if (debug & 128) a #define DEBUG_f(a) if (debug & 256) a #define DEBUG_r(a) if (debug & 512) a #define DEBUG_x(a) if (debug & 1024) a #define DEBUG_u(a) if (debug & 2048) a #define DEBUG_L(a) if (debug & 4096) a #define DEBUG_H(a) if (debug & 8192) a #define DEBUG_X(a) if (debug & 16384) a #define DEBUG_D(a) if (debug & 32768) a #else #define DEB(a) #define DEBUG(a) #define DEBUG_p(a) #define DEBUG_s(a) #define DEBUG_l(a) #define DEBUG_t(a) #define DEBUG_o(a) #define DEBUG_c(a) #define DEBUG_P(a) #define DEBUG_m(a) #define DEBUG_f(a) #define DEBUG_r(a) #define DEBUG_x(a) #define DEBUG_u(a) #define DEBUG_L(a) #define DEBUG_H(a) #define DEBUG_X(a) #define DEBUG_D(a) #endif #define YYMAXDEPTH 300 #define assert(what) DEB( { \ if (!(what)) { \ croak("Assertion failed: file \"%s\", line %d", \ __FILE__, __LINE__); \ exit(1); \ }}) struct ufuncs { I32 (*uf_val)P((I32, SV*)); I32 (*uf_set)P((I32, SV*)); I32 uf_index; }; /* Fix these up for __STDC__ */ char *mktemp P((char*)); double atof P((const char*)); #ifndef STANDARD_C /* All of these are in stdlib.h or time.h for ANSI C */ long time(); struct tm *gmtime(), *localtime(); char *strchr(), *strrchr(); char *strcpy(), *strcat(); #endif /* ! STANDARD_C */ #ifdef I_MATH # include #else # ifdef __cplusplus extern "C" { # endif double exp P((double)); double log P((double)); double sqrt P((double)); double modf P((double,int*)); double sin P((double)); double cos P((double)); double atan2 P((double,double)); double pow P((double,double)); # ifdef __cplusplus }; # endif #endif char *crypt P((const char*, const char*)); char *getenv P((const char*)); long lseek P((int,int,int)); char *getlogin P((void)); #ifdef EUNICE #define UNLINK unlnk int unlnk P((char*)); #else #define UNLINK unlink #endif #ifndef HAS_SETREUID #ifdef HAS_SETRESUID #define setreuid(r,e) setresuid(r,e,-1) #define HAS_SETREUID #endif #endif #ifndef HAS_SETREGID #ifdef HAS_SETRESGID #define setregid(r,e) setresgid(r,e,-1) #define HAS_SETREGID #endif #endif #define SCAN_DEF 0 #define SCAN_TR 1 #define SCAN_REPL 2 #ifdef DEBUGGING #define PAD_SV(po) pad_sv(po) #else #define PAD_SV(po) curpad[po] #endif /****************/ /* Truly global */ /****************/ /* global state */ EXT PerlInterpreter *curinterp; /* currently running interpreter */ extern char ** environ; /* environment variables supplied via exec */ EXT int uid; /* current real user id */ EXT int euid; /* current effective user id */ EXT int gid; /* current real group id */ EXT int egid; /* current effective group id */ EXT bool nomemok; /* let malloc context handle nomem */ EXT U32 an; /* malloc sequence number */ EXT U32 cop_seqmax; /* statement sequence number */ EXT U32 op_seqmax; /* op sequence number */ EXT U32 evalseq; /* eval sequence number */ EXT U32 sub_generation; /* inc to force methods to be looked up again */ EXT char ** origenviron; EXT U32 origalen; EXT I32 * xiv_root; /* free xiv list--shared by interpreters */ EXT double * xnv_root; /* free xnv list--shared by interpreters */ EXT XRV * xrv_root; /* free xrv list--shared by interpreters */ EXT XPV * xpv_root; /* free xpv list--shared by interpreters */ /* Stack for currently executing thread--context switch must handle this. */ EXT SV ** stack_base; /* stack->array_ary */ EXT SV ** stack_sp; /* stack pointer now */ EXT SV ** stack_max; /* stack->array_ary + stack->array_max */ /* likewise for these */ EXT OP * op; /* current op--oughta be in a global register */ EXT I32 * scopestack; /* blocks we've entered */ EXT I32 scopestack_ix; EXT I32 scopestack_max; EXT ANY* savestack; /* to save non-local values on */ EXT I32 savestack_ix; EXT I32 savestack_max; EXT OP ** retstack; /* returns we've pushed */ EXT I32 retstack_ix; EXT I32 retstack_max; EXT I32 * markstack; /* stackmarks we're remembering */ EXT I32 * markstack_ptr; /* stackmarks we're remembering */ EXT I32 * markstack_max; /* stackmarks we're remembering */ EXT SV ** curpad; /* temp space */ EXT SV * Sv; EXT XPV * Xpv; EXT char buf[1024]; EXT char tokenbuf[256]; EXT struct stat statbuf; #ifndef MSDOS EXT struct tms timesbuf; #endif EXT STRLEN na; /* for use in SvPV when length is Not Applicable */ /* for tmp use in stupid debuggers */ EXT int * di; EXT short * ds; EXT char * dc; /* handy constants */ EXT char * Yes INIT("1"); EXT char * No INIT(""); EXT char * hexdigit INIT("0123456789abcdef0123456789ABCDEFx"); EXT char * patleave INIT("\\.^$@dDwWsSbB+*?|()-nrtfeaxc0123456789[{]}"); EXT char * vert INIT("|"); EXT char warn_uninit[] INIT("Use of uninitialized variable"); EXT char warn_nosemi[] INIT("Semicolon seems to be missing"); EXT char warn_reserved[] INIT("Unquoted string \"%s\" may clash with future reserved word"); EXT char warn_nl[] INIT("Unsuccessful %s on filename containing newline"); EXT char no_usym[] INIT("Can't use an undefined value as %s reference"); EXT char no_aelem[] INIT("Modification of non-creatable array value attempted, subscript %d"); EXT char no_helem[] INIT("Modification of non-creatable hash value attempted, subscript \"%s\""); EXT char no_modify[] INIT("Modification of a read-only value attempted"); EXT char no_mem[] INIT("Out of memory!\n"); EXT char no_security[] INIT("Insecure dependency in %s%s"); EXT char no_sock_func[] INIT("Unsupported socket function \"%s\" called"); EXT char no_dir_func[] INIT("Unsupported directory function \"%s\" called"); EXT char no_func[] INIT("The %s function is unimplemented"); EXT SV sv_undef; EXT SV sv_no; EXT SV sv_yes; #ifdef CSH EXT char * cshname INIT(CSH); EXT I32 cshlen; #endif #ifdef DOINIT EXT char *sig_name[] = { SIG_NAME,0 }; #else EXT char *sig_name[]; #endif #ifdef DOINIT EXT unsigned char fold[] = { /* fast case folding table */ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 91, 92, 93, 94, 95, 96, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255 }; #else EXT unsigned char fold[]; #endif #ifdef DOINIT EXT unsigned char freq[] = { /* letter frequencies for mixed English/C */ 1, 2, 84, 151, 154, 155, 156, 157, 165, 246, 250, 3, 158, 7, 18, 29, 40, 51, 62, 73, 85, 96, 107, 118, 129, 140, 147, 148, 149, 150, 152, 153, 255, 182, 224, 205, 174, 176, 180, 217, 233, 232, 236, 187, 235, 228, 234, 226, 222, 219, 211, 195, 188, 193, 185, 184, 191, 183, 201, 229, 181, 220, 194, 162, 163, 208, 186, 202, 200, 218, 198, 179, 178, 214, 166, 170, 207, 199, 209, 206, 204, 160, 212, 216, 215, 192, 175, 173, 243, 172, 161, 190, 203, 189, 164, 230, 167, 248, 227, 244, 242, 255, 241, 231, 240, 253, 169, 210, 245, 237, 249, 247, 239, 168, 252, 251, 254, 238, 223, 221, 213, 225, 177, 197, 171, 196, 159, 4, 5, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 141, 142, 143, 144, 145, 146 }; #else EXT unsigned char freq[]; #endif #ifdef DEBUGGING #ifdef DOINIT EXT char* block_type[] = { "NULL", "SUB", "EVAL", "LOOP", "SUBST", "BLOCK", }; #else EXT char* block_type[]; #endif #endif /*****************************************************************************/ /* This lexer/parser stuff is currently global since yacc is hard to reenter */ /*****************************************************************************/ /* XXX This needs to be revisited, since BEGIN makes yacc re-enter... */ typedef enum { XOPERATOR, XTERM, XREF, XSTATE, XBLOCK, } expectation; EXT FILE * VOL rsfp INIT(Nullfp); EXT SV * linestr; EXT char * bufptr; EXT char * oldbufptr; EXT char * oldoldbufptr; EXT char * bufend; EXT expectation expect INIT(XSTATE); /* how to interpret ambiguous tokens */ EXT I32 multi_start; /* 1st line of multi-line string */ EXT I32 multi_end; /* last line of multi-line string */ EXT I32 multi_open; /* delimiter of said string */ EXT I32 multi_close; /* delimiter of said string */ EXT GV * scrgv; EXT I32 error_count; /* how many errors so far, max 10 */ EXT I32 subline; /* line this subroutine began on */ EXT SV * subname; /* name of current subroutine */ EXT AV * comppad; /* storage for lexically scoped temporaries */ EXT AV * comppad_name; /* variable names for "my" variables */ EXT I32 comppad_name_fill;/* last "introduced" variable offset */ EXT I32 min_intro_pending;/* start of vars to introduce */ EXT I32 max_intro_pending;/* end of vars to introduce */ EXT I32 padix; /* max used index in current "register" pad */ EXT COP compiling; EXT SV * evstr; /* op_fold_const() temp string cache */ EXT I32 thisexpr; /* name id for nothing_in_common() */ EXT char * last_uni; /* position of last named-unary operator */ EXT char * last_lop; /* position of last list operator */ EXT OPCODE last_lop_op; /* last list operator */ EXT bool in_format; /* we're compiling a run_format */ EXT bool in_my; /* we're compiling a "my" declaration */ EXT I32 needblockscope INIT(TRUE); /* block overhead needed? */ #ifdef FCRYPT EXT I32 cryptseen; /* has fast crypt() been initialized? */ #endif /**************************************************************************/ /* This regexp stuff is global since it always happens within 1 expr eval */ /**************************************************************************/ EXT char * regprecomp; /* uncompiled string. */ EXT char * regparse; /* Input-scan pointer. */ EXT char * regxend; /* End of input for compile */ EXT I32 regnpar; /* () count. */ EXT char * regcode; /* Code-emit pointer; ®dummy = don't. */ EXT I32 regsize; /* Code size. */ EXT I32 regfold; /* are we folding? */ EXT I32 regsawbracket; /* Did we do {d,d} trick? */ EXT I32 regsawback; /* Did we see \1, ...? */ EXT char * reginput; /* String-input pointer. */ EXT char regprev; /* char before regbol, \n if none */ EXT char * regbol; /* Beginning of input, for ^ check. */ EXT char * regeol; /* End of input, for $ check. */ EXT char ** regstartp; /* Pointer to startp array. */ EXT char ** regendp; /* Ditto for endp. */ EXT char * reglastparen; /* Similarly for lastparen. */ EXT char * regtill; /* How far we are required to go. */ EXT I32 regmyp_size; EXT char ** regmystartp; EXT char ** regmyendp; /***********************************************/ /* Global only to current interpreter instance */ /***********************************************/ #ifdef MULTIPLICITY #define IEXT #define IINIT(x) struct interpreter { #else #define IEXT EXT #define IINIT(x) INIT(x) #endif /* pseudo environmental stuff */ IEXT int Iorigargc; IEXT char ** Iorigargv; IEXT GV * Ienvgv; IEXT GV * Isiggv; IEXT GV * Iincgv; IEXT char * Iorigfilename; /* switches */ IEXT char * Icddir; IEXT bool Iminus_c; IEXT char Ipatchlevel[6]; IEXT char * Inrs IINIT("\n"); IEXT U32 Inrschar IINIT('\n'); /* final char of rs, or 0777 if none */ IEXT I32 Inrslen IINIT(1); IEXT bool Ipreprocess; IEXT bool Iminus_n; IEXT bool Iminus_p; IEXT bool Iminus_l; IEXT bool Iminus_a; IEXT bool Idoswitches; IEXT bool Idowarn; IEXT bool Idoextract; IEXT bool Isawampersand; /* must save all match strings */ IEXT bool Isawstudy; /* do fbm_instr on all strings */ IEXT bool Isawi; /* study must assume case insensitive */ IEXT bool Isawvec; IEXT bool Iunsafe; IEXT bool Ido_undump; /* -u or dump seen? */ IEXT char * Iinplace; IEXT char * Ie_tmpname; IEXT FILE * Ie_fp; IEXT VOL U32 Idebug; IEXT U32 Iperldb; /* magical thingies */ IEXT time_t Ibasetime; /* $^T */ IEXT I32 Iarybase; /* $[ */ IEXT SV * Iformfeed; /* $^L */ IEXT char * Ichopset IINIT(" \n-"); /* $: */ IEXT char * Irs IINIT("\n"); /* $/ */ IEXT U32 Irschar IINIT('\n'); /* final char of rs, or 0777 if none */ IEXT STRLEN Irslen IINIT(1); IEXT bool Irspara; IEXT char * Iofs; /* $, */ IEXT STRLEN Iofslen; IEXT char * Iors; /* $\ */ IEXT STRLEN Iorslen; IEXT char * Iofmt; /* $# */ IEXT I32 Imaxsysfd IINIT(MAXSYSFD); /* top fd to pass to subprocesses */ IEXT int Imultiline; /* $*--do strings hold >1 line? */ IEXT U16 Istatusvalue; /* $? */ IEXT struct stat Istatcache; /* _ */ IEXT GV * Istatgv; IEXT SV * Istatname IINIT(Nullsv); /* shortcuts to various I/O objects */ IEXT GV * Istdingv; IEXT GV * Ilast_in_gv; IEXT GV * Idefgv; IEXT GV * Iargvgv; IEXT GV * Idefoutgv; IEXT GV * Icuroutgv; IEXT GV * Iargvoutgv; /* shortcuts to regexp stuff */ IEXT GV * Ileftgv; IEXT GV * Iampergv; IEXT GV * Irightgv; IEXT PMOP * Icurpm; /* what to do \ interps from */ IEXT I32 * Iscreamfirst; IEXT I32 * Iscreamnext; IEXT I32 Imaxscream IINIT(-1); IEXT SV * Ilastscream; /* shortcuts to debugging objects */ IEXT GV * IDBgv; IEXT GV * IDBline; IEXT GV * IDBsub; IEXT SV * IDBsingle; IEXT SV * IDBtrace; IEXT SV * IDBsignal; IEXT AV * Ilineary; /* lines of script for debugger */ IEXT AV * Idbargs; /* args to call listed by caller function */ /* symbol tables */ IEXT HV * Idefstash; /* main symbol table */ IEXT HV * Icurstash; /* symbol table for current package */ IEXT HV * Idebstash; /* symbol table for perldb package */ IEXT SV * Icurstname; /* name of current package */ IEXT AV * Ibeginav; /* names of BEGIN subroutines */ IEXT AV * Iendav; /* names of END subroutines */ IEXT AV * Ipad; /* storage for lexically scoped temporaries */ IEXT AV * Ipadname; /* variable names for "my" variables */ /* memory management */ IEXT SV ** Itmps_stack; IEXT I32 Itmps_ix IINIT(-1); IEXT I32 Itmps_floor IINIT(-1); IEXT I32 Itmps_max; IEXT I32 Isv_count; /* how many SV* are currently allocated */ IEXT I32 Isv_rvcount; /* how many RV* are currently allocated */ IEXT SV* Isv_root; /* storage for SVs belonging to interp */ IEXT SV* Isv_arenaroot; /* list of areas for garbage collection */ /* funky return mechanisms */ IEXT I32 Ilastspbase; IEXT I32 Ilastsize; IEXT int Iforkprocess; /* so do_open |- can return proc# */ /* subprocess state */ IEXT AV * Ifdpid; /* keep fd-to-pid mappings for my_popen */ IEXT HV * Ipidstatus; /* keep pid-to-status mappings for waitpid */ /* internal state */ IEXT VOL int Iin_eval; /* trap "fatal" errors? */ IEXT OP * Irestartop; /* Are we propagating an error from croak? */ IEXT int Idelaymagic; /* ($<,$>) = ... */ IEXT bool Idirty; /* clean before rerunning */ IEXT bool Ilocalizing; /* are we processing a local() list? */ IEXT bool Itainted; /* using variables controlled by $< */ IEXT bool Itainting; /* doing taint checks */ /* trace state */ IEXT I32 Idlevel; IEXT I32 Idlmax IINIT(128); IEXT char * Idebname; IEXT char * Idebdelim; /* current interpreter roots */ IEXT OP * Imain_root; IEXT OP * Imain_start; IEXT OP * Ieval_root; IEXT OP * Ieval_start; /* runtime control stuff */ IEXT COP * VOL Icurcop IINIT(&compiling); IEXT line_t Icopline IINIT(NOLINE); IEXT CONTEXT * Icxstack; IEXT I32 Icxstack_ix IINIT(-1); IEXT I32 Icxstack_max IINIT(128); IEXT jmp_buf Itop_env; /* stack stuff */ IEXT AV * Istack; /* THE STACK */ IEXT AV * Imainstack; /* the stack when nothing funny is happening */ IEXT SV ** Imystack_base; /* stack->array_ary */ IEXT SV ** Imystack_sp; /* stack pointer now */ IEXT SV ** Imystack_max; /* stack->array_ary + stack->array_max */ /* format accumulators */ IEXT SV * Iformtarget; IEXT SV * Ibodytarget; IEXT SV * Itoptarget; /* statics moved here for shared library purposes */ IEXT SV Istrchop; /* return value from chop */ IEXT int Ifilemode; /* so nextargv() can preserve mode */ IEXT int Ilastfd; /* what to preserve mode on */ IEXT char * Ioldname; /* what to preserve mode on */ IEXT char ** IArgv; /* stuff to free from do_aexec, vfork safe */ IEXT char * ICmd; /* stuff to free from do_aexec, vfork safe */ IEXT OP * Isortcop; /* user defined sort routine */ IEXT HV * Isortstash; /* which is in some package or other */ IEXT GV * Ifirstgv; /* $a */ IEXT GV * Isecondgv; /* $b */ IEXT AV * Isortstack; /* temp stack during pp_sort() */ IEXT AV * Isignalstack; /* temp stack during sighandler() */ IEXT SV * Imystrk; /* temp key string for do_each() */ IEXT I32 Idumplvl; /* indentation level on syntax tree dump */ IEXT PMOP * Ioldlastpm; /* for saving regexp context during debugger */ IEXT I32 Igensym; /* next symbol for getsym() to define */ IEXT bool Ipreambled; IEXT int Ilaststatval IINIT(-1); IEXT I32 Ilaststype IINIT(OP_STAT); #undef IEXT #undef IINIT #ifdef MULTIPLICITY }; #else struct interpreter { char broiled; }; #endif #include "pp.h" #ifdef __cplusplus extern "C" { #endif #include "proto.h" #ifdef __cplusplus }; #endif /* The following must follow proto.h */ #ifdef DOINIT MGVTBL vtbl_sv = {magic_get, magic_set, magic_len, 0, 0}; MGVTBL vtbl_env = {0, 0, 0, 0, 0}; MGVTBL vtbl_envelem = {0, magic_setenv, 0, 0, 0}; MGVTBL vtbl_sig = {0, 0, 0, 0, 0}; MGVTBL vtbl_sigelem = {0, magic_setsig, 0, 0, 0}; MGVTBL vtbl_pack = {0, 0, 0, 0, 0}; MGVTBL vtbl_packelem = {magic_getpack, magic_setpack, 0, magic_clearpack, 0}; MGVTBL vtbl_dbline = {0, magic_setdbline, 0, 0, 0}; MGVTBL vtbl_isa = {0, magic_setisa, 0, 0, 0}; MGVTBL vtbl_isaelem = {0, magic_setisa, 0, 0, 0}; MGVTBL vtbl_arylen = {magic_getarylen, magic_setarylen, 0, 0, 0}; MGVTBL vtbl_glob = {magic_getglob, magic_setglob, 0, 0, 0}; MGVTBL vtbl_mglob = {0, magic_setmglob, 0, 0, 0}; MGVTBL vtbl_taint = {magic_gettaint,magic_settaint, 0, 0, 0}; MGVTBL vtbl_substr = {0, magic_setsubstr, 0, 0, 0}; MGVTBL vtbl_vec = {0, magic_setvec, 0, 0, 0}; MGVTBL vtbl_bm = {0, magic_setbm, 0, 0, 0}; MGVTBL vtbl_uvar = {magic_getuvar, magic_setuvar, 0, 0, 0}; #else EXT MGVTBL vtbl_sv; EXT MGVTBL vtbl_env; EXT MGVTBL vtbl_envelem; EXT MGVTBL vtbl_sig; EXT MGVTBL vtbl_sigelem; EXT MGVTBL vtbl_pack; EXT MGVTBL vtbl_packelem; EXT MGVTBL vtbl_dbline; EXT MGVTBL vtbl_isa; EXT MGVTBL vtbl_isaelem; EXT MGVTBL vtbl_arylen; EXT MGVTBL vtbl_glob; EXT MGVTBL vtbl_mglob; EXT MGVTBL vtbl_taint; EXT MGVTBL vtbl_substr; EXT MGVTBL vtbl_vec; EXT MGVTBL vtbl_bm; EXT MGVTBL vtbl_uvar; #endif