1 /* $Header: arg.h,v 3.0.1.1 89/10/26 23:02:35 lwall Locked $
3 * Copyright (c) 1989, Larry Wall
5 * You may distribute under the terms of the GNU General Public License
6 * as specified in the README file that comes with the perl 3.0 kit.
9 * Revision 3.0.1.1 89/10/26 23:02:35 lwall
10 * patch1: reverse didn't work
12 * Revision 3.0 89/10/18 15:08:27 lwall
32 #define O_LEFT_SHIFT 15
33 #define O_RIGHT_SHIFT 16
45 #define O_COND_EXPR 28
49 #define O_COMPLEMENT 32
91 #define O_LOCALTIME 74
119 #define O_UNSHIFT 102
123 #define O_FTEREAD 106
124 #define O_FTEWRITE 107
125 #define O_FTEEXEC 108
126 #define O_FTEOWNED 109
127 #define O_FTRREAD 110
128 #define O_FTRWRITE 111
129 #define O_FTREXEC 112
130 #define O_FTROWNED 113
137 #define O_SYMLINK 120
148 #define O_FTBINARY 131
164 #define O_GETPPID 147
165 #define O_GETPGRP 148
166 #define O_SETPGRP 149
167 #define O_GETPRIORITY 150
168 #define O_SETPRIORITY 151
178 #define O_DBMOPEN 161
179 #define O_DBMCLOSE 162
182 #define O_LASLICE 165
183 #define O_LHSLICE 166
187 #define O_AASSIGN 170
188 #define O_SASSIGN 171
190 #define O_REVERSE 173
194 #define O_CONNECT 177
199 #define O_SSELECT 182
200 #define O_SOCKETPAIR 183
202 #define O_DEFINED 185
204 #define O_READLINK 187
213 #define O_GHBYNAME 196
214 #define O_GHBYADDR 197
215 #define O_GHOSTENT 198
216 #define O_SHOSTENT 199
217 #define O_EHOSTENT 200
218 #define O_GSBYNAME 201
219 #define O_GSBYPORT 202
220 #define O_GSERVENT 203
221 #define O_SSERVENT 204
222 #define O_ESERVENT 205
223 #define O_GPBYNAME 206
224 #define O_GPBYNUMBER 207
225 #define O_GPROTOENT 208
226 #define O_SPROTOENT 209
227 #define O_EPROTOENT 210
228 #define O_GNBYNAME 211
229 #define O_GNBYADDR 212
230 #define O_GNETENT 213
231 #define O_SNETENT 214
232 #define O_ENETENT 215
245 #define O_SHUTDOWN 228
246 #define O_OPENDIR 229
247 #define O_READDIR 230
248 #define O_TELLDIR 231
249 #define O_SEEKDIR 232
250 #define O_REWINDDIR 233
251 #define O_CLOSEDIR 234
252 #define O_GETLOGIN 235
253 #define O_SYSCALL 236
254 #define O_GSOCKOPT 237
255 #define O_SSOCKOPT 238
256 #define O_GETSOCKNAME 239
257 #define O_GETPEERNAME 240
261 extern char *opname[];
526 #define A_LARYSTAB 17
529 #define A_WANTARRAY 20
532 #define A_DONT 32 /* or this into type to suppress evaluation */
535 extern char *argname[];
564 extern bool hoistable[];
603 union argptr arg_ptr;
608 unsigned char arg_type;
609 unsigned char arg_flags;
612 #define AF_ARYOK 1 /* op can handle multiple values here */
613 #define AF_POST 2 /* post *crement this item */
614 #define AF_PRE 4 /* pre *crement this item */
615 #define AF_UP 8 /* increment rather than decrement */
616 #define AF_COMMON 16 /* left and right have symbols in common */
617 #define AF_UNUSED 32 /* */
618 #define AF_LISTISH 64 /* turn into list if important */
619 #define AF_LOCAL 128 /* list of local variables */
622 * Most of the ARG pointers are used as pointers to arrays of ARG. When
623 * so used, the 0th element is special, and represents the operator to
624 * use on the list of arguments following. The arg_len in the 0th element
625 * gives the maximum argument number, and the arg_str is used to store
626 * the return value in a more-or-less static location. Sorry it's not
627 * re-entrant (yet), but it sure makes it efficient. The arg_type of the
628 * 0th element is an operator (O_*) rather than an argument type (A_*).
631 #define Nullarg Null(ARG*)
634 EXT char opargs[MAXO+1];
636 #define A(e1,e2,e3) (e1+(e2<<2)+(e3<<4))
637 char opargs[MAXO+1] = {
640 A(0,0,0), /* ITEM2 */
641 A(0,0,0), /* ITEM3 */
642 A(1,1,0), /* CONCAT */
643 A(1,0,0), /* MATCH */
644 A(1,0,0), /* NMATCH */
645 A(1,0,0), /* SUBST */
646 A(1,0,0), /* NSUBST */
647 A(1,1,0), /* ASSIGN */
648 A(1,1,0), /* MULTIPLY */
649 A(1,1,0), /* DIVIDE */
650 A(1,1,0), /* MODULO */
652 A(1,1,0), /* SUBTRACT */
653 A(1,1,0), /* LEFT_SHIFT */
654 A(1,1,0), /* RIGHT_SHIFT */
661 A(1,1,0), /* BIT_AND */
663 A(1,1,0), /* BIT_OR */
666 A(1,0,0), /* COND_EXPR */
667 A(1,1,0), /* COMMA */
668 A(1,0,0), /* NEGATE */
670 A(1,0,0), /* COMPLEMENT */
671 A(1,0,0), /* WRITE */
673 A(1,0,0), /* TRANS */
674 A(1,0,0), /* NTRANS */
675 A(1,0,0), /* CLOSE */
676 A(0,0,0), /* ARRAY */
678 A(0,0,0), /* LARRAY */
679 A(0,0,0), /* LHASH */
682 A(0,0,0), /* SHIFT */
683 A(1,0,1), /* SPLIT */
684 A(1,0,0), /* LENGTH */
685 A(3,0,0), /* SPRINTF */
686 A(1,1,1), /* SUBSTR */
695 A(1,3,0), /* PRINT */
696 A(1,0,0), /* CHDIR */
699 A(1,0,0), /* RESET */
701 A(1,0,0), /* SELECT */
709 A(1,1,0), /* INDEX */
711 A(0,0,0), /* TIMES */
712 A(1,0,0), /* LOCALTIME */
713 A(1,0,0), /* GMTIME */
715 A(1,1,0), /* CRYPT */
720 A(1,3,0), /* PRINTF */
722 A(1,0,0), /* SLEEP */
726 A(0,0,0), /* VALUES */
731 A(1,3,0), /* SYSTEM */
734 A(0,3,0), /* CHMOD */
735 A(0,3,0), /* CHOWN */
737 A(1,1,0), /* RENAME */
738 A(0,3,0), /* UNLINK */
739 A(1,0,0), /* UMASK */
740 A(0,3,0), /* UNSHIFT */
742 A(1,1,0), /* REPEAT */
744 A(1,0,0), /* FTEREAD */
745 A(1,0,0), /* FTEWRITE */
746 A(1,0,0), /* FTEEXEC */
747 A(1,0,0), /* FTEOWNED */
748 A(1,0,0), /* FTRREAD */
749 A(1,0,0), /* FTRWRITE */
750 A(1,0,0), /* FTREXEC */
751 A(1,0,0), /* FTROWNED */
753 A(1,0,0), /* FTZERO */
754 A(1,0,0), /* FTSIZE */
755 A(1,0,0), /* FTFILE */
756 A(1,0,0), /* FTDIR */
757 A(1,0,0), /* FTLINK */
758 A(1,1,0), /* SYMLINK */
759 A(1,0,0), /* FTPIPE */
760 A(1,0,0), /* FTSOCK */
761 A(1,0,0), /* FTBLK */
762 A(1,0,0), /* FTCHR */
763 A(1,0,0), /* FTSUID */
764 A(1,0,0), /* FTSGID */
765 A(1,0,0), /* FTSVTX */
766 A(1,0,0), /* FTTTY */
767 A(1,0,0), /* DOFILE */
768 A(1,0,0), /* FTTEXT */
769 A(1,0,0), /* FTBINARY */
770 A(0,3,0), /* UTIME */
773 A(0,1,0), /* DELETE */
774 A(1,0,0), /* STUDY */
775 A(1,1,0), /* ATAN2 */
779 A(1,0,0), /* SRAND */
781 A(0,3,0), /* RETURN */
783 A(1,1,0), /* MKDIR */
784 A(1,0,0), /* RMDIR */
785 A(0,0,0), /* GETPPID */
786 A(1,0,0), /* GETPGRP */
787 A(1,1,0), /* SETPGRP */
788 A(1,1,0), /* GETPRIORITY */
789 A(1,1,1), /* SETPRIORITY */
790 A(1,0,0), /* CHROOT */
791 A(1,1,1), /* IOCTL */
792 A(1,1,1), /* FCNTL */
793 A(1,1,0), /* FLOCK */
794 A(1,1,0), /* RINDEX */
796 A(1,1,0), /* UNPACK */
799 A(1,1,1), /* DBMOPEN */
800 A(1,0,0), /* DBMCLOSE */
801 A(0,3,0), /* ASLICE */
802 A(0,3,0), /* HSLICE */
803 A(0,3,0), /* LASLICE */
804 A(0,3,0), /* LHSLICE */
805 A(1,0,0), /* F_OR_R */
806 A(1,1,0), /* RANGE */
808 A(3,3,0), /* AASSIGN */
809 A(0,0,0), /* SASSIGN */
811 A(0,3,0), /* REVERSE */
812 A(1,0,0), /* ADDROF */
813 A(1,1,1), /* SOCKET */
815 A(1,1,0), /* CONNECT */
816 A(1,1,0), /* LISTEN */
817 A(1,1,0), /* ACCEPT */
820 A(1,1,1), /* SSELECT */
821 A(1,1,1), /* SOCKETPAIR */
822 A(0,3,0), /* DBSUBR */
823 A(1,0,0), /* DEFINED */
824 A(1,0,0), /* UNDEF */
825 A(1,0,0), /* READLINK */
826 A(1,0,0), /* LSTAT */
827 A(0,1,0), /* AELEM */
828 A(0,1,0), /* HELEM */
829 A(0,1,0), /* LAELEM */
830 A(0,1,0), /* LHELEM */
831 A(1,0,0), /* LOCAL */
832 A(0,0,0), /* UNUSED */
833 A(1,0,0), /* FILENO */
834 A(1,0,0), /* GHBYNAME */
835 A(1,1,0), /* GHBYADDR */
836 A(0,0,0), /* GHOSTENT */
837 A(1,0,0), /* SHOSTENT */
838 A(0,0,0), /* EHOSTENT */
839 A(1,1,0), /* GSBYNAME */
840 A(1,1,0), /* GSBYPORT */
841 A(0,0,0), /* GSERVENT */
842 A(1,0,0), /* SSERVENT */
843 A(0,0,0), /* ESERVENT */
844 A(1,0,0), /* GPBYNAME */
845 A(1,0,0), /* GPBYNUMBER */
846 A(0,0,0), /* GPROTOENT */
847 A(1,0,0), /* SPROTOENT */
848 A(0,0,0), /* EPROTOENT */
849 A(1,0,0), /* GNBYNAME */
850 A(1,1,0), /* GNBYADDR */
851 A(0,0,0), /* GNETENT */
852 A(1,0,0), /* SNETENT */
853 A(0,0,0), /* ENETENT */
856 A(1,0,0), /* GPWNAM */
857 A(1,0,0), /* GPWUID */
858 A(0,0,0), /* GPWENT */
859 A(0,0,0), /* SPWENT */
860 A(0,0,0), /* EPWENT */
861 A(1,0,0), /* GGRNAM */
862 A(1,0,0), /* GGRGID */
863 A(0,0,0), /* GGRENT */
864 A(0,0,0), /* SGRENT */
865 A(0,0,0), /* EGRENT */
866 A(1,1,0), /* SHUTDOWN */
867 A(1,1,0), /* OPENDIR */
868 A(1,0,0), /* READDIR */
869 A(1,0,0), /* TELLDIR */
870 A(1,1,0), /* SEEKDIR */
871 A(1,0,0), /* REWINDDIR */
872 A(1,0,0), /* CLOSEDIR */
873 A(0,0,0), /* GETLOGIN */
874 A(1,3,0), /* SYSCALL */
875 A(1,1,1), /* GSOCKOPT */
876 A(1,1,1), /* SSOCKOPT */
877 A(1,0,0), /* GETSOCKNAME */
878 A(1,0,0), /* GETPEERNAME */