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Annotation of freem/src/mcommand.h, revision 1.2

1.1       snw         1: /*
                      2:  *                            *
                      3:  *                           * *
                      4:  *                          *   *
                      5:  *                     ***************
                      6:  *                      * *       * *
                      7:  *                       *  MUMPS  *
                      8:  *                      * *       * *
                      9:  *                     ***************
                     10:  *                          *   *
                     11:  *                           * *
                     12:  *                            *
                     13:  *
                     14:  *   mcommand.h
                     15:  *    Generic stuff for handling M commands
                     16:  *
                     17:  *  
1.2     ! snw        18:  *   Author: Serena Willis <snw@coherent-logic.com>
1.1       snw        19:  *    Copyright (C) 1998 MUG Deutschland
                     20:  *    Copyright (C) 2023 Coherent Logic Development LLC
                     21:  *
                     22:  *
                     23:  *   This file is part of FreeM.
                     24:  *
                     25:  *   FreeM is free software: you can redistribute it and/or modify
                     26:  *   it under the terms of the GNU Affero Public License as published by
                     27:  *   the Free Software Foundation, either version 3 of the License, or
                     28:  *   (at your option) any later version.
                     29:  *
                     30:  *   FreeM is distributed in the hope that it will be useful,
                     31:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
                     32:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     33:  *   GNU Affero Public License for more details.
                     34:  *
                     35:  *   You should have received a copy of the GNU Affero Public License
                     36:  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
                     37:  *
                     38:  **/
                     39: 
                     40: #if !defined(_FREEM_MCOMMAND_H)
                     41: # define _FREEM_MCOMMAND_H
                     42: 
                     43: /* M tokens */
                     44: #define ABLOCK       0
                     45: #define ASSIGN      'a'
                     46: #define ASTART       1
                     47: #define ASTOP        2
                     48: #define AUNBLOCK     3
                     49: #define BREAK       'b'
                     50: #define CLOSE       'c'
                     51: #define CONST        24
                     52: #define DO          'd'
                     53: #define DO_BLOCK     4
                     54: #define ELSE        'e'
                     55: #define ESTART       5
                     56: #define ESTOP        6
                     57: #define ETRIGGER     7
                     58: #define FOR         'f'     /* ALSO in symtab.c */
                     59: #define GOTO        'g'
                     60: #define HA          'h'
                     61: #define HALT         8
                     62: #define HANG         9
                     63: #define IF          'i'
                     64: #define JOB         'j'
                     65: #define KILL        'k'
                     66: #define KVALUE      10
                     67: #define KSUBSC      11
                     68: #define LOCK        'l'
                     69: #define MERGE       'm'
                     70: #define MAP         26
                     71: #define UNMAP       27
                     72: #define NEWCMD      'n'
                     73: #define OPEN        'o'
                     74: #define QUIT        'q'
                     75: #define READ        'r'
                     76: #define RLOAD       12
                     77: #define RSAVE       13
                     78: #define SET         's'
                     79: #define TCOMMIT     14
                     80: #define THEN        15
                     81: #define TROLLBACK   17
                     82: #define TSTART      18
                     83: #define USE         'u'
                     84: #define VIEW        'v'
                     85: #define WRITE       'w'
                     86: #define XECUTE      'x'
                     87: #define ZALLOCATE   'A'
                     88: #define ZBREAK      'B'
                     89: #define ZDEALLOCATE 'D'
                     90: #define ZGO         'G'
                     91: #define ZHALT       'H'
                     92: #define ZINSERT     'I'
                     93: #define ZJOB        'J'
                     94: #define ZLOAD       'L'
                     95: #define ZNAMESPACE  'N' // formerly ZNEW
                     96: #define ZPRINT      'P'
                     97: #define ZQUIT       'Q'
                     98: #define ZREMOVE     'R'
                     99: #define ZSAVE       'S'
                    100: #define ZTRAP       'T'
                    101: #define ZWRITE      'W'
                    102: #define WATCH       20
                    103: #define ASSERT_TKN  21
                    104: #define OO_USING    22
                    105: #define OO_WITH     23
                    106: #define PRIVATE     SP
                    107: #define THROW       25
                    108: 
                    109: #define RA_CONTINUE 0
                    110: #define RA_PRIVATE 1
                    111: #define RA_NEXTCMND 2
                    112: #define RA_SKIPLINE 3
                    113: 
                    114: typedef short MRESULT;
                    115: typedef short MACTION;
                    116: 
                    117: extern MRESULT mcmd_tokenize(MACTION *ra, char *tmp3, char *deferrable_codptr, char *deferrable_code, int *j);
                    118: extern MRESULT cmd_map(MACTION *ra);
                    119: extern MRESULT cmd_unmap(MACTION *ra);
                    120: extern MRESULT cmd_then(MACTION *ra, int *then_ctr);
                    121: extern MRESULT cmd_throw(MACTION *ra);
                    122: extern MRESULT cmd_const(MACTION *ra);
                    123: extern MRESULT cmd_kvalue(MACTION *ra);
                    124: extern MRESULT cmd_ksubscripts(MACTION *ra);
                    125: extern MRESULT cmd_tstart(MACTION *ra);
                    126: extern MRESULT cmd_tcommit(MACTION *ra);
                    127: extern MRESULT cmd_trollback(MACTION *ra);
                    128: /* TODO: cmd_set */
                    129: extern MRESULT cmd_if(MACTION *ra);
                    130: extern MRESULT cmd_using(MACTION *ra);
                    131: extern MRESULT cmd_with(MACTION *ra);
                    132: extern MRESULT cmd_write(MACTION *ra, int *i);
                    133: extern MRESULT cmd_else(MACTION *ra);
                    134: extern MRESULT cmd_read(MACTION *ra);
                    135: 
                    136: #define MRESCHECK(ra) {\
                    137:         if (merr () > OK) goto err;             \
                    138:         switch (ra) { \
                    139:             case RA_CONTINUE: \
                    140:                 break; \
                    141:             case RA_NEXTCMND: \
                    142:                 goto next_cmnd; \
                    143:             case RA_PRIVATE: \
                    144:                 goto private; \
                    145:             case RA_SKIPLINE: \
                    146:                 goto skip_line; \
                    147:         } \
                    148:         }
                    149: 
                    150: #endif