2 #include "../../dpdefs/csprogsdefs.qh"
3 #include "../../warpzonelib/mathlib.qh"
7 #include "shared_defs.qh"
10 #include "../../dpdefs/progsdefs.qh"
11 #include "../../dpdefs/dpextensions.qh"
12 #include "../../warpzonelib/mathlib.qh"
16 #include "shared_defs.qh"
19 // ========================================
20 // RPN command code, written by divVerent
21 // Last updated: December 28th, 2011
22 // ========================================
28 return rpn_stack[rpn_sp];
30 print("rpn: stack underflow\n");
35 void rpn_push(string s)
37 if(rpn_sp < MAX_RPN_STACK) {
38 rpn_stack[rpn_sp] = s;
41 print("rpn: stack overflow\n");
48 return rpn_stack[rpn_sp - 1];
50 print("rpn: empty stack\n");
55 void rpn_set(string s)
58 rpn_stack[rpn_sp - 1] = s;
60 print("rpn: empty stack\n");
65 float rpn_getf() { return stof(rpn_get()); }
66 float rpn_popf() { return stof(rpn_pop()); }
67 void rpn_pushf(float f) { return rpn_push(sprintf("%.9g", f)); }
68 void rpn_setf(float f) { return rpn_set(sprintf("%.9g", f)); }
70 void GenericCommand_rpn(float request, float argc, string command)
74 case CMD_REQUEST_COMMAND:
76 float i, j, f, f2, f3, rpnpos;
83 db_put(rpn_db, "stack.pointer", "0");
84 db_put(rpn_db, "stack.pos", "-1");
91 for(rpnpos = 1; rpnpos < argc; ++rpnpos)
93 rpncmd = argv(rpnpos);
96 } else if(stof(substring(rpncmd, 0, 1)) > 0) {
98 } else if(substring(rpncmd, 0, 1) == "0") {
100 } else if(f >= 2 && substring(rpncmd, 0, 1) == "+") {
102 } else if(f >= 2 && substring(rpncmd, 0, 1) == "-") {
104 } else if(f >= 2 && substring(rpncmd, 0, 1) == "/") {
105 rpn_push(substring(rpncmd, 1, strlen(rpncmd) - 1));
106 } else if(rpncmd == "clear") {
108 } else if(rpncmd == "def" || rpncmd == "=") {
115 registercvar(s2, "", 0);
117 registercvar(s2, "");
119 if(!rpn_error) // don't change cvars if a stack error had happened!
124 print("rpn: empty cvar name for 'def'\n");
127 } else if(rpncmd == "defs" || rpncmd == "@") {
131 while(rpn_sp > 1 && (j || i > 0))
133 s = strcat("/", rpn_pop(), " ", s);
140 registercvar(s2, "", 0);
142 registercvar(s2, "");
144 if(!rpn_error) // don't change cvars if a stack error had happened!
149 print("rpn: empty cvar name for 'defs'\n");
152 } else if(rpncmd == "load") {
153 rpn_set(cvar_string(rpn_get()));
154 } else if(rpncmd == "exch") {
159 } else if(rpncmd == "dup") {
161 } else if(rpncmd == "pop") {
163 } else if(rpncmd == "add" || rpncmd == "+") {
165 rpn_setf(rpn_getf() + f);
166 } else if(rpncmd == "sub" || rpncmd == "-") {
168 rpn_setf(rpn_getf() - f);
169 } else if(rpncmd == "mul" || rpncmd == "*") {
171 rpn_setf(rpn_getf() * f);
172 } else if(rpncmd == "div" || rpncmd == "/") {
174 rpn_setf(rpn_getf() / f);
175 } else if(rpncmd == "mod" || rpncmd == "%") {
178 rpn_setf(f2 - f * floor(f2 / f));
179 } else if(rpncmd == "pow" || rpncmd == "**") {
181 rpn_setf(pow(rpn_getf(), f));
182 } else if(rpncmd == "bitand" || rpncmd == "&") {
184 rpn_setf(rpn_getf() & f);
185 } else if(rpncmd == "bitor" || rpncmd == "|") {
187 rpn_setf(rpn_getf() | f);
188 } else if(rpncmd == "bitxor" || rpncmd == "^") {
190 rpn_setf(rpn_getf() ^ f);
191 } else if(rpncmd == "and" || rpncmd == "&&") {
193 rpn_setf(rpn_getf() && f);
194 } else if(rpncmd == "or" || rpncmd == "||") {
196 rpn_setf(rpn_getf() || f);
197 } else if(rpncmd == "xor" || rpncmd == "^^") {
199 rpn_setf(!rpn_getf() != !f);
200 } else if(rpncmd == "bitnot") {
201 rpn_setf(~rpn_popf());
202 } else if(rpncmd == "not") {
203 rpn_setf(!rpn_popf());
204 } else if(rpncmd == "abs") {
205 rpn_setf(fabs(rpn_getf()));
206 } else if(rpncmd == "sgn") {
214 } else if(rpncmd == "neg" || rpncmd == "~") {
215 rpn_setf(-rpn_getf());
216 } else if(rpncmd == "floor" || rpncmd == "f") {
217 rpn_setf(floor(rpn_getf()));
218 } else if(rpncmd == "ceil" || rpncmd == "c") {
219 rpn_setf(ceil(rpn_getf()));
220 } else if(rpncmd == "exp") {
221 rpn_setf(exp(rpn_getf()));
222 } else if(rpncmd == "log") {
223 rpn_setf(exp(rpn_getf()));
224 } else if(rpncmd == "sin") {
225 rpn_setf(sin(rpn_getf()));
226 } else if(rpncmd == "cos") {
227 rpn_setf(cos(rpn_getf()));
228 } else if(rpncmd == "max") {
231 rpn_setf(max(f2, f));
232 } else if(rpncmd == "min") {
235 rpn_setf(min(f2, f));
236 } else if(rpncmd == "bound") {
240 rpn_setf(bound(f3, f2, f));
241 } else if(rpncmd == "when") {
249 } else if(rpncmd == ">" || rpncmd == "gt") {
251 rpn_setf(rpn_getf() > f);
252 } else if(rpncmd == "<" || rpncmd == "lt") {
254 rpn_setf(rpn_getf() < f);
255 } else if(rpncmd == "==" || rpncmd == "eq") {
257 rpn_setf(rpn_getf() == f);
258 } else if(rpncmd == ">=" || rpncmd == "ge") {
260 rpn_setf(rpn_getf() >= f);
261 } else if(rpncmd == "<=" || rpncmd == "le") {
263 rpn_setf(rpn_getf() <= f);
264 } else if(rpncmd == "!=" || rpncmd == "ne") {
266 rpn_setf(rpn_getf() != f);
267 } else if(rpncmd == "rand") {
268 rpn_setf(ceil(random() * rpn_getf()) - 1);
269 } else if(rpncmd == "crc16") {
270 rpn_setf(crc16(false, rpn_get()));
271 } else if(rpncmd == "put") {
277 db_put(rpn_db, s, s2);
279 } else if(rpncmd == "get") {
282 rpn_push(db_get(rpn_db, s));
283 } else if(rpncmd == "dbpush") {
287 i = stof(db_get(rpn_db, "stack.pointer"));
288 db_put(rpn_db, "stack.pointer", ftos(i+1));
289 db_put(rpn_db, strcat("stack.", ftos(i)), s);
291 db_put(rpn_db, "stack.pos", "0");
293 } else if(rpncmd == "dbpop") {
294 i = stof(db_get(rpn_db, "stack.pointer"));
298 db_put(rpn_db, "stack.pointer", s);
299 rpn_push(db_get(rpn_db, strcat("stack.", s)));
300 j = stof(db_get(rpn_db, "stack.pos"));
302 db_put(rpn_db, "stack.pos", ftos(i-2));
305 print("rpn: database underflow\n");
307 } else if(rpncmd == "dbget") {
309 i = stof(db_get(rpn_db, "stack.pointer"));
312 rpn_push(db_get(rpn_db, strcat("stack.", ftos(i-1))));
315 print("rpn: database empty\n");
317 } else if(rpncmd == "dblen") {
318 rpn_push(db_get(rpn_db, "stack.pointer"));
319 } else if(rpncmd == "dbclr") {
321 rpn_db = db_create();
322 db_put(rpn_db, "stack.pointer", "0");
323 db_put(rpn_db, "stack.pos", "-1");
324 } else if(rpncmd == "dbsave") {
328 } else if(rpncmd == "dbload") {
335 } else if(rpncmd == "dbins") {
340 j = stof(db_get(rpn_db, "stack.pointer"));
341 i = stof(db_get(rpn_db, "stack.pos"));
346 db_put(rpn_db, "stack.pos", "0");
349 db_put(rpn_db, "stack.pointer", ftos(j+1));
350 for(--j; j >= i; --j)
352 db_put(rpn_db, strcat("stack.", ftos(j+1)),
353 db_get(rpn_db, (strcat("stack.", ftos(j))))
356 db_put(rpn_db, strcat("stack.", ftos(i)), s);
358 } else if(rpncmd == "dbext") {
359 j = stof(db_get(rpn_db, "stack.pointer"));
360 i = stof(db_get(rpn_db, "stack.pos"));
364 print("rpn: empty database\n");
367 rpn_push(db_get(rpn_db, strcat("stack.", ftos(i))));
368 db_put(rpn_db, "stack.pointer", ftos(j));
371 db_put(rpn_db, "stack.pos", ftos(j-1));
375 db_put(rpn_db, strcat("stack.", ftos(i)),
376 db_get(rpn_db, (strcat("stack.", ftos(i+1))))
382 } else if(rpncmd == "dbread") {
383 s = db_get(rpn_db, "stack.pos");
386 rpn_push(db_get(rpn_db, strcat("stack.", s)));
389 print("rpn: empty database\n");
391 } else if(rpncmd == "dbat") {
392 rpn_push(db_get(rpn_db, "stack.pos"));
393 } else if(rpncmd == "dbmov") {
394 j = stof(db_get(rpn_db, "stack.pointer"));
395 i = stof(db_get(rpn_db, "stack.pos"));
401 print("rpn: database cursor out of bounds\n");
406 db_put(rpn_db, "stack.pos", ftos(i));
409 } else if(rpncmd == "dbgoto") {
411 j = stof(db_get(rpn_db, "stack.pointer"));
415 print("rpn: empty database, cannot move cursor\n");
420 i = stof(db_get(rpn_db, "stack.pointer"))-1;
426 j = stof(db_get(rpn_db, "stack.pointer"));
429 print("rpn: database cursor destination out of bounds\n");
434 db_put(rpn_db, "stack.pos", ftos(i));
437 } else if(rpncmd == "union") {
441 f = tokenize_console(s);
442 f2 = tokenize_console(strcat(s, " ", s2));
443 // tokens 0..(f-1) represent s
444 // tokens f..f2 represent s2
445 // UNION: add all tokens to s that are in s2 but not in s
447 for(i = 0; i < f; ++i)
448 s = strcat(s, " ", argv(i));
449 for(i = f; i < f2; ++i) {
450 for(j = 0; j < f; ++j)
451 if(argv(i) == argv(j))
453 s = strcat(s, " ", argv(i));
456 if(substring(s, 0, 1) == " ")
457 s = substring(s, 1, 99999);
459 tokenize_console(command);
460 } else if(rpncmd == "intersection") {
464 f = tokenize_console(s);
465 f2 = tokenize_console(strcat(s, " ", s2));
466 // tokens 0..(f-1) represent s
467 // tokens f..f2 represent s2
468 // INTERSECTION: keep only the tokens from s that are also in s2
470 for(i = 0; i < f; ++i) {
471 for(j = f; j < f2; ++j)
472 if(argv(i) == argv(j))
474 s = strcat(s, " ", argv(i));
478 if(substring(s, 0, 1) == " ")
479 s = substring(s, 1, 99999);
481 tokenize_console(command);
482 } else if(rpncmd == "difference") {
486 f = tokenize_console(s);
487 f2 = tokenize_console(strcat(s, " ", s2));
488 // tokens 0..(f-1) represent s
489 // tokens f..f2 represent s2
490 // DIFFERENCE: keep only the tokens from s that are not in s2
492 for(i = 0; i < f; ++i) {
493 for(j = f; j < f2; ++j)
494 if(argv(i) == argv(j))
495 goto skip_difference;
496 s = strcat(s, " ", argv(i));
499 if(substring(s, 0, 1) == " ")
500 s = substring(s, 1, 99999);
502 tokenize_console(command);
503 } else if(rpncmd == "shuffle") {
506 f = tokenize_console(s);
508 for(i = 0; i < f - 1; ++i) {
509 // move a random item from i..f-1 to position i
511 f2 = floor(random() * (f - i) + i);
512 for(j = 0; j < i; ++j)
513 s = strcat(s, " ", argv(j));
514 s = strcat(s, " ", argv(f2));
515 for(j = i; j < f; ++j)
517 s = strcat(s, " ", argv(j));
518 f = tokenize_console(s);
521 if(substring(s, 0, 1) == " ")
522 s = substring(s, 1, 99999);
524 tokenize_console(command);
525 } else if(rpncmd == "fexists_assert") {
531 print("rpn: ERROR: ", s, " does not exist!\n");
535 } else if(rpncmd == "fexists") {
544 } else if(rpncmd == "localtime") {
545 rpn_set(strftime(true, rpn_get()));
546 } else if(rpncmd == "gmtime") {
547 rpn_set(strftime(false, rpn_get()));
548 } else if(rpncmd == "time") {
550 } else if(rpncmd == "digest") {
552 rpn_set(digest_hex(s, rpn_get()));
553 } else if(rpncmd == "sprintf1s") {
555 rpn_set(sprintf(s, rpn_get()));
556 } else if(rpncmd == "eval") {
558 command = strcat(s, substring(command, argv_end_index(rpnpos), -1));
559 argc = tokenize_console(command);
562 rpn_push(cvar_string(rpncmd));
570 print("rpn: still on stack: ", s, "\n");
578 case CMD_REQUEST_USAGE:
580 print(strcat("\nUsage:^3 ", GetProgramCommandPrefix(), " rpn EXPRESSION...\n"));
581 print(" Operator description (x: string, s: set, f: float):\n");
582 print(" x pop -----------------------------> : removes the top\n");
583 print(" x dup -----------------------------> x x : duplicates the top\n");
584 print(" x x exch --------------------------> x x : swap the top two\n");
585 print(" /cvarname load --------------------> x : loads a cvar\n");
586 print(" /cvarname x def -------------------> : writes to a cvar\n");
587 print(" f f add|sub|mul|div|mod|pow -------> f : adds/... two numbers\n");
588 print(" f f and|or|xor|bitand|bitor|bitxor > f : logical and bitwise operations\n");
589 print(" f f eq|ne|gt|ge|lt|le|max|min -----> f : compares two numbers\n");
590 print(" f neg|abs|sgn|rand|floor|ceil------> f : negates/... a number\n");
591 print(" f not|bitnot ----------------------> f : logical and bitwise negation\n");
592 print(" f exp|log|sin|cos -----------------> f : exponential function & Co.\n");
593 print(" f f f bound -----------------------> f : bounds the middle number\n");
594 print(" f1 f2 b when ----------------------> f : f1 if b, f2 otherwise\n");
595 print(" s s union|intersection|difference -> s : set operations\n");
596 print(" s shuffle -------------------------> s : randomly arrange elements\n");
597 print(" /key /value put -------------------> : set a database key\n");
598 print(" /key get --------------------------> s : get a database value\n");
599 print(" x dbpush --------------------------> : pushes the top onto the database\n");
600 print(" dbpop|dbget -----------------------> x : removes/reads DB's top\n");
601 print(" dblen|dbat ------------------------> f : gets the DB's size/cursor pos\n");
602 print(" dbclr -----------------------------> : clear the DB\n");
603 print(" s dbsave|dbload--------------------> : save/load the DB to/from a file\n");
604 print(" x dbins ---------------------------> : moves the top into the DB\n");
605 print(" dbext|dbread ----------------------> x : extract/get from the DB's cursor\n");
606 print(" f dbmov|dbgoto --------------------> : move or set the DB's cursor\n");
607 print(" s localtime -----------------------> s : formats the current local time\n");
608 print(" s gmtime --------------------------> s : formats the current UTC time\n");
609 print(" time ------------------------------> f : seconds since VM start\n");
610 print(" s /MD4 digest ---------------------> s : MD4 digest\n");
611 print(" s /SHA256 digest ------------------> s : SHA256 digest\n");
612 print(" s /formatstring sprintf1s ---------> s : sprintf with 1 string (pad, cut)\n");
613 print(" s eval ----------------------------> : does something eval\n");
614 print(" Set operations operate on 'such''strings'.\n");
615 print(" Unknown tokens insert their cvar value.\n");