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Annotation of freem/src/mcommand.h, revision 1.3

1.1       snw         1: /*
1.3     ! snw         2:  *   $Id$
1.1       snw         3:  *    Generic stuff for handling M commands
                      4:  *
                      5:  *  
1.2       snw         6:  *   Author: Serena Willis <snw@coherent-logic.com>
1.1       snw         7:  *    Copyright (C) 1998 MUG Deutschland
1.3     ! snw         8:  *    Copyright (C) 2023, 2025 Coherent Logic Development LLC
1.1       snw         9:  *
                     10:  *
                     11:  *   This file is part of FreeM.
                     12:  *
                     13:  *   FreeM is free software: you can redistribute it and/or modify
                     14:  *   it under the terms of the GNU Affero Public License as published by
                     15:  *   the Free Software Foundation, either version 3 of the License, or
                     16:  *   (at your option) any later version.
                     17:  *
                     18:  *   FreeM is distributed in the hope that it will be useful,
                     19:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
                     20:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     21:  *   GNU Affero Public License for more details.
                     22:  *
                     23:  *   You should have received a copy of the GNU Affero Public License
                     24:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
                     25:  *
1.3     ! snw        26:  *   $Log$
        !            27:  *
        !            28:  * SPDX-FileCopyrightText:  (C) 2025 Coherent Logic Development LLC
        !            29:  * SPDX-License-Identifier: AGPL-3.0-or-later
1.1       snw        30:  **/
                     31: 
                     32: #if !defined(_FREEM_MCOMMAND_H)
                     33: # define _FREEM_MCOMMAND_H
                     34: 
                     35: /* M tokens */
                     36: #define ABLOCK       0
                     37: #define ASSIGN      'a'
                     38: #define ASTART       1
                     39: #define ASTOP        2
                     40: #define AUNBLOCK     3
                     41: #define BREAK       'b'
                     42: #define CLOSE       'c'
                     43: #define CONST        24
                     44: #define DO          'd'
                     45: #define DO_BLOCK     4
                     46: #define ELSE        'e'
                     47: #define ESTART       5
                     48: #define ESTOP        6
                     49: #define ETRIGGER     7
                     50: #define FOR         'f'     /* ALSO in symtab.c */
                     51: #define GOTO        'g'
                     52: #define HA          'h'
                     53: #define HALT         8
                     54: #define HANG         9
                     55: #define IF          'i'
                     56: #define JOB         'j'
                     57: #define KILL        'k'
                     58: #define KVALUE      10
                     59: #define KSUBSC      11
                     60: #define LOCK        'l'
                     61: #define MERGE       'm'
                     62: #define MAP         26
                     63: #define UNMAP       27
                     64: #define NEWCMD      'n'
                     65: #define OPEN        'o'
                     66: #define QUIT        'q'
                     67: #define READ        'r'
                     68: #define RLOAD       12
                     69: #define RSAVE       13
                     70: #define SET         's'
                     71: #define TCOMMIT     14
                     72: #define THEN        15
                     73: #define TROLLBACK   17
                     74: #define TSTART      18
                     75: #define USE         'u'
                     76: #define VIEW        'v'
                     77: #define WRITE       'w'
                     78: #define XECUTE      'x'
                     79: #define ZALLOCATE   'A'
                     80: #define ZBREAK      'B'
                     81: #define ZDEALLOCATE 'D'
                     82: #define ZGO         'G'
                     83: #define ZHALT       'H'
                     84: #define ZINSERT     'I'
                     85: #define ZJOB        'J'
                     86: #define ZLOAD       'L'
                     87: #define ZNAMESPACE  'N' // formerly ZNEW
                     88: #define ZPRINT      'P'
                     89: #define ZQUIT       'Q'
                     90: #define ZREMOVE     'R'
                     91: #define ZSAVE       'S'
                     92: #define ZTRAP       'T'
                     93: #define ZWRITE      'W'
                     94: #define WATCH       20
                     95: #define ASSERT_TKN  21
                     96: #define OO_USING    22
                     97: #define OO_WITH     23
                     98: #define PRIVATE     SP
                     99: #define THROW       25
                    100: 
                    101: #define RA_CONTINUE 0
                    102: #define RA_PRIVATE 1
                    103: #define RA_NEXTCMND 2
                    104: #define RA_SKIPLINE 3
                    105: 
                    106: typedef short MRESULT;
                    107: typedef short MACTION;
                    108: 
                    109: extern MRESULT mcmd_tokenize(MACTION *ra, char *tmp3, char *deferrable_codptr, char *deferrable_code, int *j);
                    110: extern MRESULT cmd_map(MACTION *ra);
                    111: extern MRESULT cmd_unmap(MACTION *ra);
                    112: extern MRESULT cmd_then(MACTION *ra, int *then_ctr);
                    113: extern MRESULT cmd_throw(MACTION *ra);
                    114: extern MRESULT cmd_const(MACTION *ra);
                    115: extern MRESULT cmd_kvalue(MACTION *ra);
                    116: extern MRESULT cmd_ksubscripts(MACTION *ra);
                    117: extern MRESULT cmd_tstart(MACTION *ra);
                    118: extern MRESULT cmd_tcommit(MACTION *ra);
                    119: extern MRESULT cmd_trollback(MACTION *ra);
                    120: /* TODO: cmd_set */
                    121: extern MRESULT cmd_if(MACTION *ra);
                    122: extern MRESULT cmd_using(MACTION *ra);
                    123: extern MRESULT cmd_with(MACTION *ra);
                    124: extern MRESULT cmd_write(MACTION *ra, int *i);
                    125: extern MRESULT cmd_else(MACTION *ra);
                    126: extern MRESULT cmd_read(MACTION *ra);
                    127: 
                    128: #define MRESCHECK(ra) {\
                    129:         if (merr () > OK) goto err;             \
                    130:         switch (ra) { \
                    131:             case RA_CONTINUE: \
                    132:                 break; \
                    133:             case RA_NEXTCMND: \
                    134:                 goto next_cmnd; \
                    135:             case RA_PRIVATE: \
                    136:                 goto private; \
                    137:             case RA_SKIPLINE: \
                    138:                 goto skip_line; \
                    139:         } \
                    140:         }
                    141: 
                    142: #endif