1e0b8e63eSJohn Marino /*- 2e0b8e63eSJohn Marino * Copyright (c) 1992, 1993, 1994 3e0b8e63eSJohn Marino * The Regents of the University of California. All rights reserved. 4e0b8e63eSJohn Marino * Copyright (c) 1992, 1993, 1994, 1995, 1996 5e0b8e63eSJohn Marino * Keith Bostic. All rights reserved. 6e0b8e63eSJohn Marino * 7e0b8e63eSJohn Marino * See the LICENSE file for redistribution information. 8e0b8e63eSJohn Marino */ 9e0b8e63eSJohn Marino 10e0b8e63eSJohn Marino #define PROMPTCHAR ':' /* Prompt using a colon. */ 11e0b8e63eSJohn Marino 12e0b8e63eSJohn Marino typedef struct _excmdlist { /* Ex command table structure. */ 13e0b8e63eSJohn Marino CHAR_T *name; /* Command name, underlying function. */ 14e0b8e63eSJohn Marino int (*fn)(SCR *, EXCMD *); 15e0b8e63eSJohn Marino 16e0b8e63eSJohn Marino #define E_ADDR1 0x00000001 /* One address. */ 17e0b8e63eSJohn Marino #define E_ADDR2 0x00000002 /* Two addresses. */ 18e0b8e63eSJohn Marino #define E_ADDR2_ALL 0x00000004 /* Zero/two addresses; zero == all. */ 19e0b8e63eSJohn Marino #define E_ADDR2_NONE 0x00000008 /* Zero/two addresses; zero == none. */ 20e0b8e63eSJohn Marino #define E_ADDR_ZERO 0x00000010 /* 0 is a legal addr1. */ 21e0b8e63eSJohn Marino #define E_ADDR_ZERODEF 0x00000020 /* 0 is default addr1 of empty files. */ 22e0b8e63eSJohn Marino #define E_AUTOPRINT 0x00000040 /* Command always sets autoprint. */ 23e0b8e63eSJohn Marino #define E_CLRFLAG 0x00000080 /* Clear the print (#, l, p) flags. */ 24e0b8e63eSJohn Marino #define E_NEWSCREEN 0x00000100 /* Create a new screen. */ 25e0b8e63eSJohn Marino #define E_SECURE 0x00000200 /* Permission denied if O_SECURE set. */ 26e0b8e63eSJohn Marino #define E_VIONLY 0x00000400 /* Meaningful only in vi. */ 27e0b8e63eSJohn Marino #define __INUSE1 0xfffff800 /* Same name space as EX_PRIVATE. */ 28e0b8e63eSJohn Marino u_int16_t flags; 29e0b8e63eSJohn Marino 30e0b8e63eSJohn Marino char *syntax; /* Syntax script. */ 31e0b8e63eSJohn Marino char *usage; /* Usage line. */ 32e0b8e63eSJohn Marino char *help; /* Help line. */ 33e0b8e63eSJohn Marino } EXCMDLIST; 34e0b8e63eSJohn Marino 35e0b8e63eSJohn Marino #define MAXCMDNAMELEN 12 /* Longest command name. */ 36e0b8e63eSJohn Marino extern EXCMDLIST const cmds[]; /* Table of ex commands. */ 37e0b8e63eSJohn Marino 38e0b8e63eSJohn Marino /* 39e0b8e63eSJohn Marino * !!! 40e0b8e63eSJohn Marino * QUOTING NOTE: 41e0b8e63eSJohn Marino * 42e0b8e63eSJohn Marino * Historically, .exrc files and EXINIT variables could only use ^V as an 43e0b8e63eSJohn Marino * escape character, neither ^Q or a user specified character worked. We 44e0b8e63eSJohn Marino * enforce that here, just in case someone depends on it. 45e0b8e63eSJohn Marino */ 46e0b8e63eSJohn Marino #define IS_ESCAPE(sp, cmdp, ch) \ 47e0b8e63eSJohn Marino (F_ISSET(cmdp, E_VLITONLY) ? \ 48e0b8e63eSJohn Marino (ch) == CH_LITERAL : KEY_VAL(sp, ch) == K_VLNEXT) 49e0b8e63eSJohn Marino 50e0b8e63eSJohn Marino #define IS_SHELLMETA(sp, ch) \ 51e0b8e63eSJohn Marino ((ch) <= CHAR_MAX && strchr(O_STR(sp, O_SHELLMETA), ch) != NULL) 52e0b8e63eSJohn Marino 53e0b8e63eSJohn Marino /* 54e0b8e63eSJohn Marino * File state must be checked for each command -- any ex command may be entered 55e0b8e63eSJohn Marino * at any time, and most of them won't work well if a file hasn't yet been read 56e0b8e63eSJohn Marino * in. Historic vi generally took the easy way out and dropped core. 57e0b8e63eSJohn Marino */ 58e0b8e63eSJohn Marino #define NEEDFILE(sp, cmdp) { \ 59e0b8e63eSJohn Marino if ((sp)->ep == NULL) { \ 60e0b8e63eSJohn Marino ex_wemsg(sp, (cmdp)->cmd->name, EXM_NOFILEYET); \ 61e0b8e63eSJohn Marino return (1); \ 62e0b8e63eSJohn Marino } \ 63e0b8e63eSJohn Marino } 64e0b8e63eSJohn Marino 65e0b8e63eSJohn Marino /* Range structures for global and @ commands. */ 66e0b8e63eSJohn Marino typedef struct _range RANGE; 67e0b8e63eSJohn Marino struct _range { /* Global command range. */ 68e0b8e63eSJohn Marino TAILQ_ENTRY(_range) q; /* Linked list of ranges. */ 69e0b8e63eSJohn Marino recno_t start, stop; /* Start/stop of the range. */ 70e0b8e63eSJohn Marino }; 71e0b8e63eSJohn Marino 72e0b8e63eSJohn Marino /* Ex command structure. */ 73e0b8e63eSJohn Marino struct _excmd { 74e0b8e63eSJohn Marino SLIST_ENTRY(_excmd) q; /* Linked list of commands. */ 75e0b8e63eSJohn Marino 76e0b8e63eSJohn Marino char *if_name; /* Associated file. */ 77e0b8e63eSJohn Marino recno_t if_lno; /* Associated line number. */ 78e0b8e63eSJohn Marino 79e0b8e63eSJohn Marino /* Clear the structure for the ex parser. */ 80e0b8e63eSJohn Marino #define CLEAR_EX_PARSER(cmdp) \ 81e0b8e63eSJohn Marino memset(&((cmdp)->cp), 0, ((char *)&(cmdp)->flags - \ 82e0b8e63eSJohn Marino (char *)&((cmdp)->cp)) + sizeof((cmdp)->flags)) 83e0b8e63eSJohn Marino 84e0b8e63eSJohn Marino CHAR_T *cp; /* Current command text. */ 85e0b8e63eSJohn Marino size_t clen; /* Current command length. */ 86e0b8e63eSJohn Marino 87e0b8e63eSJohn Marino CHAR_T *save_cmd; /* Remaining command. */ 88e0b8e63eSJohn Marino size_t save_cmdlen; /* Remaining command length. */ 89e0b8e63eSJohn Marino 90e0b8e63eSJohn Marino EXCMDLIST const *cmd; /* Command: entry in command table. */ 91e0b8e63eSJohn Marino EXCMDLIST rcmd; /* Command: table entry/replacement. */ 92e0b8e63eSJohn Marino 93e0b8e63eSJohn Marino TAILQ_HEAD(_rh, _range) rq[1]; /* @/global range: linked list. */ 94e0b8e63eSJohn Marino recno_t range_lno; /* @/global range: set line number. */ 95e0b8e63eSJohn Marino CHAR_T *o_cp; /* Original @/global command. */ 96e0b8e63eSJohn Marino size_t o_clen; /* Original @/global command length. */ 97e0b8e63eSJohn Marino #define AGV_AT 0x01 /* @ buffer execution. */ 98e0b8e63eSJohn Marino #define AGV_AT_NORANGE 0x02 /* @ buffer execution without range. */ 99e0b8e63eSJohn Marino #define AGV_GLOBAL 0x04 /* global command. */ 100e0b8e63eSJohn Marino #define AGV_V 0x08 /* v command. */ 101e0b8e63eSJohn Marino #define AGV_ALL (AGV_AT | AGV_AT_NORANGE | AGV_GLOBAL | AGV_V) 102e0b8e63eSJohn Marino u_int8_t agv_flags; 103e0b8e63eSJohn Marino 104e0b8e63eSJohn Marino /* Clear the structure before each ex command. */ 105e0b8e63eSJohn Marino #define CLEAR_EX_CMD(cmdp) { \ 106e0b8e63eSJohn Marino u_int32_t L__f = F_ISSET(cmdp, E_PRESERVE); \ 107e0b8e63eSJohn Marino memset(&((cmdp)->buffer), 0, ((char *)&(cmdp)->flags - \ 108e0b8e63eSJohn Marino (char *)&((cmdp)->buffer)) + sizeof((cmdp)->flags)); \ 109e0b8e63eSJohn Marino F_SET(cmdp, L__f); \ 110e0b8e63eSJohn Marino } 111e0b8e63eSJohn Marino 112e0b8e63eSJohn Marino CHAR_T buffer; /* Command: named buffer. */ 113e0b8e63eSJohn Marino recno_t lineno; /* Command: line number. */ 114e0b8e63eSJohn Marino long count; /* Command: signed count. */ 115e0b8e63eSJohn Marino long flagoff; /* Command: signed flag offset. */ 116e0b8e63eSJohn Marino int addrcnt; /* Command: addresses (0, 1 or 2). */ 117e0b8e63eSJohn Marino MARK addr1; /* Command: 1st address. */ 118e0b8e63eSJohn Marino MARK addr2; /* Command: 2nd address. */ 119e0b8e63eSJohn Marino ARGS **argv; /* Command: array of arguments. */ 120e0b8e63eSJohn Marino int argc; /* Command: count of arguments. */ 121e0b8e63eSJohn Marino 122e0b8e63eSJohn Marino #define E_C_BUFFER 0x00001 /* Buffer name specified. */ 123e0b8e63eSJohn Marino #define E_C_CARAT 0x00002 /* ^ flag. */ 124e0b8e63eSJohn Marino #define E_C_COUNT 0x00004 /* Count specified. */ 125e0b8e63eSJohn Marino #define E_C_COUNT_NEG 0x00008 /* Count was signed negative. */ 126e0b8e63eSJohn Marino #define E_C_COUNT_POS 0x00010 /* Count was signed positive. */ 127e0b8e63eSJohn Marino #define E_C_DASH 0x00020 /* - flag. */ 128e0b8e63eSJohn Marino #define E_C_DOT 0x00040 /* . flag. */ 129e0b8e63eSJohn Marino #define E_C_EQUAL 0x00080 /* = flag. */ 130e0b8e63eSJohn Marino #define E_C_FORCE 0x00100 /* ! flag. */ 131e0b8e63eSJohn Marino #define E_C_HASH 0x00200 /* # flag. */ 132e0b8e63eSJohn Marino #define E_C_LIST 0x00400 /* l flag. */ 133e0b8e63eSJohn Marino #define E_C_PLUS 0x00800 /* + flag. */ 134e0b8e63eSJohn Marino #define E_C_PRINT 0x01000 /* p flag. */ 135e0b8e63eSJohn Marino u_int16_t iflags; /* User input information. */ 136e0b8e63eSJohn Marino 137e0b8e63eSJohn Marino #define __INUSE2 0x000007ff /* Same name space as EXCMDLIST. */ 138e0b8e63eSJohn Marino #define E_BLIGNORE 0x00000800 /* Ignore blank lines. */ 139e0b8e63eSJohn Marino #define E_NAMEDISCARD 0x00001000 /* Free/discard the name. */ 140e0b8e63eSJohn Marino #define E_NOAUTO 0x00002000 /* Don't do autoprint output. */ 141e0b8e63eSJohn Marino #define E_NOPRDEF 0x00004000 /* Don't print as default. */ 142e0b8e63eSJohn Marino #define E_NRSEP 0x00008000 /* Need to line adjust ex output. */ 143e0b8e63eSJohn Marino #define E_OPTNUM 0x00010000 /* Number edit option affected. */ 144e0b8e63eSJohn Marino #define E_VLITONLY 0x00020000 /* Use ^V quoting only. */ 145e0b8e63eSJohn Marino #define E_PRESERVE 0x0003f800 /* Bits to preserve across commands. */ 146e0b8e63eSJohn Marino 147e0b8e63eSJohn Marino #define E_ABSMARK 0x00040000 /* Set the absolute mark. */ 148e0b8e63eSJohn Marino #define E_ADDR_DEF 0x00080000 /* Default addresses used. */ 149e0b8e63eSJohn Marino #define E_DELTA 0x00100000 /* Search address with delta. */ 150e0b8e63eSJohn Marino #define E_MODIFY 0x00200000 /* File name expansion modified arg. */ 151e0b8e63eSJohn Marino #define E_MOVETOEND 0x00400000 /* Move to the end of the file first. */ 152e0b8e63eSJohn Marino #define E_NEWLINE 0x00800000 /* Found ending <newline>. */ 153e0b8e63eSJohn Marino #define E_SEARCH_WMSG 0x01000000 /* Display search-wrapped message. */ 154e0b8e63eSJohn Marino #define E_USELASTCMD 0x02000000 /* Use the last command. */ 155e0b8e63eSJohn Marino #define E_VISEARCH 0x04000000 /* It's really a vi search command. */ 156e0b8e63eSJohn Marino u_int32_t flags; /* Current flags. */ 157e0b8e63eSJohn Marino }; 158e0b8e63eSJohn Marino 159e0b8e63eSJohn Marino /* Ex private, per-screen memory. */ 160e0b8e63eSJohn Marino typedef struct _ex_private { 161e0b8e63eSJohn Marino /* Tag file list. */ 162e0b8e63eSJohn Marino TAILQ_HEAD(_tagfh, _tagf) tagfq[1]; 163e0b8e63eSJohn Marino TAILQ_HEAD(_tqh, _tagq) tq[1]; /* Tag queue. */ 164e0b8e63eSJohn Marino SLIST_HEAD(_csch, _csc) cscq[1];/* Cscope connection list. */ 165e0b8e63eSJohn Marino CHAR_T *tag_last; /* Saved last tag string. */ 166e0b8e63eSJohn Marino 167e0b8e63eSJohn Marino CHAR_T *lastbcomm; /* Last bang command. */ 168e0b8e63eSJohn Marino 169e0b8e63eSJohn Marino ARGS **args; /* Command: argument list. */ 170e0b8e63eSJohn Marino int argscnt; /* Command: argument list count. */ 171e0b8e63eSJohn Marino int argsoff; /* Command: offset into arguments. */ 172e0b8e63eSJohn Marino 173e0b8e63eSJohn Marino u_int32_t fdef; /* Saved E_C_* default command flags. */ 174e0b8e63eSJohn Marino 175e0b8e63eSJohn Marino char *ibp; /* File line input buffer. */ 176e0b8e63eSJohn Marino size_t ibp_len; /* File line input buffer length. */ 177e0b8e63eSJohn Marino CONVWIN ibcw; /* File line input conversion buffer. */ 178e0b8e63eSJohn Marino 179e0b8e63eSJohn Marino /* 180e0b8e63eSJohn Marino * Buffers for the ex output. The screen/vi support doesn't do any 181e0b8e63eSJohn Marino * character buffering of any kind. We do it here so that we're not 182e0b8e63eSJohn Marino * calling the screen output routines on every character. 183e0b8e63eSJohn Marino * 184e0b8e63eSJohn Marino * XXX 185e0b8e63eSJohn Marino * Change to grow dynamically. 186e0b8e63eSJohn Marino */ 187e0b8e63eSJohn Marino char obp[1024]; /* Ex output buffer. */ 188e0b8e63eSJohn Marino size_t obp_len; /* Ex output buffer length. */ 189e0b8e63eSJohn Marino 190e0b8e63eSJohn Marino #define EXP_CSCINIT 0x01 /* Cscope initialized. */ 191e0b8e63eSJohn Marino u_int8_t flags; 192e0b8e63eSJohn Marino } EX_PRIVATE; 193e0b8e63eSJohn Marino #define EXP(sp) ((EX_PRIVATE *)((sp)->ex_private)) 194e0b8e63eSJohn Marino 195e0b8e63eSJohn Marino /* 196e0b8e63eSJohn Marino * Filter actions: 197e0b8e63eSJohn Marino * 198e0b8e63eSJohn Marino * FILTER_BANG !: filter text through the utility. 199e0b8e63eSJohn Marino * FILTER_RBANG !: read from the utility (without stdin). 200e0b8e63eSJohn Marino * FILTER_READ read: read from the utility (with stdin). 201e0b8e63eSJohn Marino * FILTER_WRITE write: write to the utility, display its output. 202e0b8e63eSJohn Marino */ 203e0b8e63eSJohn Marino enum filtertype { FILTER_BANG, FILTER_RBANG, FILTER_READ, FILTER_WRITE }; 204e0b8e63eSJohn Marino 205e0b8e63eSJohn Marino /* Ex common error messages. */ 206e0b8e63eSJohn Marino typedef enum { 207e0b8e63eSJohn Marino EXM_EMPTYBUF, /* Empty buffer. */ 208e0b8e63eSJohn Marino EXM_FILECOUNT, /* Too many file names. */ 209e0b8e63eSJohn Marino EXM_NOCANON, /* No terminal interface. */ 210e0b8e63eSJohn Marino EXM_NOCANON_F, /* EXM_NOCANO: filter version. */ 211e0b8e63eSJohn Marino EXM_NOFILEYET, /* Illegal until a file read in. */ 212e0b8e63eSJohn Marino EXM_NOPREVBUF, /* No previous buffer specified. */ 213e0b8e63eSJohn Marino EXM_NOPREVRE, /* No previous RE specified. */ 214e0b8e63eSJohn Marino EXM_NOSUSPEND, /* No suspension. */ 215e0b8e63eSJohn Marino EXM_SECURE, /* Illegal if secure edit option set. */ 216e0b8e63eSJohn Marino EXM_SECURE_F, /* EXM_SECURE: filter version */ 217e0b8e63eSJohn Marino EXM_USAGE /* Standard usage message. */ 218e0b8e63eSJohn Marino } exm_t; 219e0b8e63eSJohn Marino 220e0b8e63eSJohn Marino /* Ex address error types. */ 221e0b8e63eSJohn Marino enum badaddr { A_COMBO, A_EMPTY, A_EOF, A_NOTSET, A_ZERO }; 222e0b8e63eSJohn Marino 223e0b8e63eSJohn Marino /* Ex common tag error messages. */ 224e0b8e63eSJohn Marino typedef enum { 225e0b8e63eSJohn Marino TAG_BADLNO, /* Tag line doesn't exist. */ 226e0b8e63eSJohn Marino TAG_EMPTY, /* Tags stack is empty. */ 227e0b8e63eSJohn Marino TAG_SEARCH /* Tags search pattern wasn't found. */ 228e0b8e63eSJohn Marino } tagmsg_t; 229e0b8e63eSJohn Marino 230e0b8e63eSJohn Marino #include "ex_def.h" 231*c5dc3490SJohn Marino #include "ex_extern.h" 232