1 /* $Header: perl.h,v 1.0.1.3 88/01/28 10:24:17 root Exp $
4 * Revision 1.0.1.3 88/01/28 10:24:17 root
5 * patch8: added eval operator.
7 * Revision 1.0.1.2 88/01/24 03:53:47 root
8 * patch 2: hid str_peek() in #ifdef DEBUGGING.
10 * Revision 1.0.1.1 88/01/21 21:29:23 root
11 * No longer defines STDSTDIO--gets it from config.h now.
13 * Revision 1.0 87/12/18 13:05:38 root
24 # define bcopy(s1,s2,l) memcpy(s2,s1,l);
25 # define bzero(s,l) memset(s,0,l);
31 #include <sys/types.h>
40 #include <sys/times.h>
42 typedef struct arg ARG;
43 typedef struct cmd CMD;
44 typedef struct formcmd FCMD;
45 typedef struct scanpat SPAT;
46 typedef struct stab STAB;
47 typedef struct stio STIO;
48 typedef struct string STR;
49 typedef struct atbl ARRAY;
50 typedef struct htbl HASH;
67 /* A string is TRUE if not "" or "0". */
68 #define True(val) (tmps = (val), (*tmps && !(*tmps == '0' && !tmps[1])))
69 EXT char *Yes INIT("1");
70 EXT char *No INIT("");
72 #define str_true(str) (Str = (str), (Str->str_pok ? True(Str->str_ptr) : (Str->str_nok ? (Str->str_nval != 0.0) : 0 )))
75 #define str_peek(str) (Str = (str), (Str->str_pok ? Str->str_ptr : (Str->str_nok ? (sprintf(buf,"num(%g)",Str->str_nval),buf) : "" )))
78 #define str_get(str) (Str = (str), (Str->str_pok ? Str->str_ptr : str_2ptr(Str)))
79 #define str_gnum(str) (Str = (str), (Str->str_nok ? Str->str_nval : str_2num(Str)))
82 #define GROWSTR(pp,lp,len) if (*(lp) < (len)) growstr(pp,lp,len)
109 STR *eval(); /* this evaluates expressions */
110 STR *do_eval(); /* this evaluates eval operator */
120 char *str_append_till();
133 EXT int line INIT(0);
134 EXT int arybase INIT(0);
142 EXT struct outrec outrec;
143 EXT struct outrec toprec;
145 EXT STAB *last_in_stab INIT(Nullstab);
146 EXT STAB *defstab INIT(Nullstab);
147 EXT STAB *argvstab INIT(Nullstab);
148 EXT STAB *envstab INIT(Nullstab);
149 EXT STAB *sigstab INIT(Nullstab);
150 EXT STAB *defoutstab INIT(Nullstab);
151 EXT STAB *curoutstab INIT(Nullstab);
152 EXT STAB *argvoutstab INIT(Nullstab);
154 EXT STR *freestrroot INIT(Nullstr);
158 EXT char *bufptr INIT(buf);
160 EXT STR *linestr INIT(Nullstr);
162 EXT char record_separator INIT('\n');
163 EXT char *ofs INIT(Nullch);
164 EXT char *ors INIT(Nullch);
165 EXT char *ofmt INIT(Nullch);
166 EXT char *inplace INIT(Nullch);
168 EXT char tokenbuf[256];
169 EXT int expectterm INIT(TRUE);
170 EXT int lex_newlines INIT(FALSE);
171 EXT int in_eval INIT(FALSE);
174 /* char *str_get(); */
179 EXT struct stat statbuf;
180 EXT struct tms timesbuf;
183 EXT int debug INIT(0);
184 EXT int dlevel INIT(0);
185 EXT char debname[40];
186 EXT char debdelim[40];
194 /* runtime control stuff */
201 EXT int loop_ptr INIT(-1);
204 EXT jmp_buf eval_env;
206 EXT char *goto_targ INIT(Nullch); /* cmd_exec gets strange when set */
210 struct tm *gmtime(), *localtime();
213 #define UNLINK(f) while (unlink(f) >= 0)
215 #define UNLINK unlink