6 * Permission is hereby granted, free of charge, to any person obtaining a copy of
7 * this software and associated documentation files (the "Software"), to deal in
8 * the Software without restriction, including without limitation the rights to
9 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is furnished to do
11 * so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 static void loaderror(const char *fmt, ...)
39 printf(": %s\n", strerror(err));
42 static void qcvmerror(qc_program *prog, const char *fmt, ...)
54 qc_program* prog_load(const char *filename)
58 FILE *file = file_open(filename, "rb");
63 if (file_read(&header, sizeof(header), 1, file) != 1) {
64 loaderror("failed to read header from '%s'", filename);
69 if (header.version != 6) {
70 loaderror("header says this is a version %i progs, we need version 6\n", header.version);
75 prog = (qc_program*)mem_a(sizeof(qc_program));
78 printf("failed to allocate program data\n");
81 memset(prog, 0, sizeof(*prog));
83 prog->entityfields = header.entfield;
84 prog->crc16 = header.crc16;
86 prog->filename = util_strdup(filename);
87 if (!prog->filename) {
88 loaderror("failed to store program name");
92 #define read_data(hdrvar, progvar, reserved) \
93 if (file_seek(file, header.hdrvar.offset, SEEK_SET) != 0) { \
94 loaderror("seek failed"); \
98 vec_add(prog->progvar, header.hdrvar.length + reserved), \
99 sizeof(*prog->progvar), \
100 header.hdrvar.length, \
102 )!= header.hdrvar.length \
104 loaderror("read failed"); \
107 #define read_data1(x) read_data(x, x, 0)
108 #define read_data2(x, y) read_data(x, x, y)
110 read_data (statements, code, 0);
113 read_data1(functions);
115 read_data2(globals, 2); /* reserve more in case a RETURN using with the global at "the end" exists */
119 /* profile counters */
120 memset(vec_add(prog->profile, vec_size(prog->code)), 0, sizeof(prog->profile[0]) * vec_size(prog->code));
122 /* Add tempstring area */
123 prog->tempstring_start = vec_size(prog->strings);
124 prog->tempstring_at = vec_size(prog->strings);
125 memset(vec_add(prog->strings, 16*1024), 0, 16*1024);
127 /* spawn the world entity */
128 vec_push(prog->entitypool, true);
129 memset(vec_add(prog->entitydata, prog->entityfields), 0, prog->entityfields * sizeof(prog->entitydata[0]));
136 mem_d(prog->filename);
137 vec_free(prog->code);
138 vec_free(prog->defs);
139 vec_free(prog->fields);
140 vec_free(prog->functions);
141 vec_free(prog->strings);
142 vec_free(prog->globals);
143 vec_free(prog->entitydata);
144 vec_free(prog->entitypool);
149 void prog_delete(qc_program *prog)
151 if (prog->filename) mem_d(prog->filename);
152 vec_free(prog->code);
153 vec_free(prog->defs);
154 vec_free(prog->fields);
155 vec_free(prog->functions);
156 vec_free(prog->strings);
157 vec_free(prog->globals);
158 vec_free(prog->entitydata);
159 vec_free(prog->entitypool);
160 vec_free(prog->localstack);
161 vec_free(prog->stack);
162 vec_free(prog->profile);
166 /***********************************************************************
170 char* prog_getstring(qc_program *prog, qcint str)
172 /* cast for return required for C++ */
173 if (str < 0 || str >= (qcint)vec_size(prog->strings))
174 return (char*)"<<<invalid string>>>";
175 return prog->strings + str;
178 prog_section_def* prog_entfield(qc_program *prog, qcint off)
181 for (i = 0; i < vec_size(prog->fields); ++i) {
182 if (prog->fields[i].offset == off)
183 return (prog->fields + i);
188 prog_section_def* prog_getdef(qc_program *prog, qcint off)
191 for (i = 0; i < vec_size(prog->defs); ++i) {
192 if (prog->defs[i].offset == off)
193 return (prog->defs + i);
198 qcany* prog_getedict(qc_program *prog, qcint e)
200 if (e >= (qcint)vec_size(prog->entitypool)) {
202 printf("Accessing out of bounds edict %i\n", (int)e);
205 return (qcany*)(prog->entitydata + (prog->entityfields * e));
208 qcint prog_spawn_entity(qc_program *prog)
212 for (e = 0; e < (qcint)vec_size(prog->entitypool); ++e) {
213 if (!prog->entitypool[e]) {
214 data = (char*)(prog->entitydata + (prog->entityfields * e));
215 memset(data, 0, prog->entityfields * sizeof(qcint));
219 vec_push(prog->entitypool, true);
221 data = (char*)vec_add(prog->entitydata, prog->entityfields);
222 memset(data, 0, prog->entityfields * sizeof(qcint));
226 void prog_free_entity(qc_program *prog, qcint e)
230 printf("Trying to free world entity\n");
233 if (e >= (qcint)vec_size(prog->entitypool)) {
235 printf("Trying to free out of bounds entity\n");
238 if (!prog->entitypool[e]) {
240 printf("Double free on entity\n");
243 prog->entitypool[e] = false;
246 qcint prog_tempstring(qc_program *prog, const char *_str)
248 /* we don't access it, but the macro-generated functions don't use
251 char *str = (char*)_str;
253 size_t len = strlen(str);
254 size_t at = prog->tempstring_at;
256 /* when we reach the end we start over */
257 if (at + len >= vec_size(prog->strings))
258 at = prog->tempstring_start;
260 /* when it doesn't fit, reallocate */
261 if (at + len >= vec_size(prog->strings))
263 (void)vec_add(prog->strings, len+1);
264 memcpy(prog->strings + at, str, len+1);
268 /* when it fits, just copy */
269 memcpy(prog->strings + at, str, len+1);
270 prog->tempstring_at += len+1;
274 static size_t print_escaped_string(const char *str, size_t maxlen)
278 --maxlen; /* because we're lazy and have escape sequences */
288 case '\a': len += 2; putchar('\\'); putchar('a'); break;
289 case '\b': len += 2; putchar('\\'); putchar('b'); break;
290 case '\r': len += 2; putchar('\\'); putchar('r'); break;
291 case '\n': len += 2; putchar('\\'); putchar('n'); break;
292 case '\t': len += 2; putchar('\\'); putchar('t'); break;
293 case '\f': len += 2; putchar('\\'); putchar('f'); break;
294 case '\v': len += 2; putchar('\\'); putchar('v'); break;
295 case '\\': len += 2; putchar('\\'); putchar('\\'); break;
296 case '"': len += 2; putchar('\\'); putchar('"'); break;
308 static void trace_print_global(qc_program *prog, unsigned int glob, int vtype)
310 static char spaces[28+1] = " ";
311 prog_section_def *def;
316 len = printf("<null>,");
320 def = prog_getdef(prog, glob);
321 value = (qcany*)(&prog->globals[glob]);
323 len = printf("[@%u] ", glob);
325 const char *name = prog_getstring(prog, def->name);
329 len += printf("%s ", name);
330 vtype = def->type & DEF_TYPEMASK;
339 len += printf("(%i),", value->_int);
342 len += printf("'%g %g %g',", value->vector[0],
347 len += print_escaped_string(prog_getstring(prog, value->string), sizeof(spaces)-len-5);
349 /* len += printf("\"%s\",", prog_getstring(prog, value->string)); */
353 len += printf("%g,", value->_float);
357 if (len < (int)sizeof(spaces)-1) {
358 spaces[sizeof(spaces)-1-len] = 0;
360 spaces[sizeof(spaces)-1-len] = ' ';
364 static void prog_print_statement(qc_program *prog, prog_section_statement *st)
366 if (st->opcode >= (sizeof(asm_instr)/sizeof(asm_instr[0]))) {
367 printf("<illegal instruction %d>\n", st->opcode);
370 if ((prog->xflags & VMXF_TRACE) && vec_size(prog->function_stack)) {
372 for (i = 0; i < vec_size(prog->function_stack); ++i)
374 printf("%s:", vec_last(prog->function_stack));
376 printf(" <> %-12s", asm_instr[st->opcode].m);
377 if (st->opcode >= INSTR_IF &&
378 st->opcode <= INSTR_IFNOT)
380 trace_print_global(prog, st->o1.u1, TYPE_FLOAT);
381 printf("%d\n", st->o2.s1);
383 else if (st->opcode >= INSTR_CALL0 &&
384 st->opcode <= INSTR_CALL8)
386 trace_print_global(prog, st->o1.u1, TYPE_FUNCTION);
389 else if (st->opcode == INSTR_GOTO)
391 printf("%i\n", st->o1.s1);
395 int t[3] = { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT };
399 t[1] = t[2] = TYPE_VECTOR;
402 t[0] = t[2] = TYPE_VECTOR;
405 t[0] = t[1] = TYPE_VECTOR;
411 t[0] = t[1] = t[2] = TYPE_VECTOR;
415 t[0] = t[1] = TYPE_STRING;
422 t[0] = t[1] = TYPE_VECTOR; t[2] = -1;
425 t[0] = t[1] = TYPE_STRING; t[2] = -1;
427 case INSTR_STORE_ENT:
428 t[0] = t[1] = TYPE_ENTITY; t[2] = -1;
430 case INSTR_STORE_FLD:
431 t[0] = t[1] = TYPE_FIELD; t[2] = -1;
433 case INSTR_STORE_FNC:
434 t[0] = t[1] = TYPE_FUNCTION; t[2] = -1;
437 t[0] = TYPE_VECTOR; t[1] = TYPE_ENTITY; t[2] = -1;
440 t[0] = TYPE_STRING; t[1] = TYPE_ENTITY; t[2] = -1;
442 case INSTR_STOREP_ENT:
443 t[0] = TYPE_ENTITY; t[1] = TYPE_ENTITY; t[2] = -1;
445 case INSTR_STOREP_FLD:
446 t[0] = TYPE_FIELD; t[1] = TYPE_ENTITY; t[2] = -1;
448 case INSTR_STOREP_FNC:
449 t[0] = TYPE_FUNCTION; t[1] = TYPE_ENTITY; t[2] = -1;
452 if (t[0] >= 0) trace_print_global(prog, st->o1.u1, t[0]);
453 else printf("(none), ");
454 if (t[1] >= 0) trace_print_global(prog, st->o2.u1, t[1]);
455 else printf("(none), ");
456 if (t[2] >= 0) trace_print_global(prog, st->o3.u1, t[2]);
457 else printf("(none)");
463 static qcint prog_enterfunction(qc_program *prog, prog_section_function *func)
470 st.localsp = vec_size(prog->localstack);
471 st.stmt = prog->statement;
474 if (prog->xflags & VMXF_TRACE) {
475 vec_push(prog->function_stack, prog_getstring(prog, func->name));
478 #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
479 if (vec_size(prog->stack))
481 prog_section_function *cur;
482 cur = prog->stack[vec_size(prog->stack)-1].function;
485 qcint *globals = prog->globals + cur->firstlocal;
486 vec_append(prog->localstack, cur->locals, globals);
491 qcint *globals = prog->globals + func->firstlocal;
492 vec_append(prog->localstack, func->locals, globals);
496 /* copy parameters */
497 parampos = func->firstlocal;
498 for (p = 0; p < func->nargs; ++p)
501 for (s = 0; s < func->argsize[p]; ++s) {
502 prog->globals[parampos] = prog->globals[OFS_PARM0 + 3*p + s];
507 vec_push(prog->stack, st);
512 static qcint prog_leavefunction(qc_program *prog)
514 prog_section_function *prev = NULL;
517 qc_exec_stack st = vec_last(prog->stack);
519 if (prog->xflags & VMXF_TRACE) {
520 if (vec_size(prog->function_stack))
521 vec_pop(prog->function_stack);
524 #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
525 if (vec_size(prog->stack) > 1) {
526 prev = prog->stack[vec_size(prog->stack)-2].function;
527 oldsp = prog->stack[vec_size(prog->stack)-2].localsp;
530 prev = prog->stack[vec_size(prog->stack)-1].function;
531 oldsp = prog->stack[vec_size(prog->stack)-1].localsp;
534 qcint *globals = prog->globals + prev->firstlocal;
535 memcpy(globals, prog->localstack + oldsp, prev->locals);
536 /* vec_remove(prog->localstack, oldsp, vec_size(prog->localstack)-oldsp); */
537 vec_shrinkto(prog->localstack, oldsp);
540 vec_pop(prog->stack);
542 return st.stmt - 1; /* offset the ++st */
545 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps)
548 size_t oldxflags = prog->xflags;
549 prog_section_statement *st;
552 prog->xflags = flags;
554 st = prog->code + prog_enterfunction(prog, func);
562 #define QCVM_PROFILE 0
568 #define QCVM_PROFILE 0
574 #define QCVM_PROFILE 1
578 case (VMXF_TRACE|VMXF_PROFILE):
580 #define QCVM_PROFILE 1
587 prog->xflags = oldxflags;
588 vec_free(prog->localstack);
589 vec_free(prog->stack);
595 /***********************************************************************
596 * main for when building the standalone executor
599 #if defined(QCVM_EXECUTOR)
604 const char *type_name[TYPE_COUNT] = {
624 qcvm_parameter *main_params = NULL;
626 #define CheckArgs(num) do { \
627 if (prog->argc != (num)) { \
629 printf("ERROR: invalid number of arguments for %s: %i, expected %i\n", \
630 __FUNCTION__, prog->argc, (num)); \
635 #define GetGlobal(idx) ((qcany*)(prog->globals + (idx)))
636 #define GetArg(num) GetGlobal(OFS_PARM0 + 3*(num))
637 #define Return(any) *(GetGlobal(OFS_RETURN)) = (any)
639 static int qc_print(qc_program *prog)
642 const char *laststr = NULL;
643 for (i = 0; i < (size_t)prog->argc; ++i) {
644 qcany *str = (qcany*)(prog->globals + OFS_PARM0 + 3*i);
645 laststr = prog_getstring(prog, str->string);
646 printf("%s", laststr);
648 if (laststr && (prog->xflags & VMXF_TRACE)) {
649 size_t len = strlen(laststr);
650 if (!len || laststr[len-1] != '\n')
656 static int qc_error(qc_program *prog)
658 printf("*** VM raised an error:\n");
664 static int qc_ftos(qc_program *prog)
671 snprintf(buffer, sizeof(buffer), "%g", num->_float);
672 str.string = prog_tempstring(prog, buffer);
677 static int qc_stof(qc_program *prog)
683 num._float = strtof(prog_getstring(prog, str->string), NULL);
688 static int qc_vtos(qc_program *prog)
695 snprintf(buffer, sizeof(buffer), "'%g %g %g'", num->vector[0], num->vector[1], num->vector[2]);
696 str.string = prog_tempstring(prog, buffer);
701 static int qc_etos(qc_program *prog)
708 snprintf(buffer, sizeof(buffer), "%i", num->_int);
709 str.string = prog_tempstring(prog, buffer);
714 static int qc_spawn(qc_program *prog)
718 ent.edict = prog_spawn_entity(prog);
720 return (ent.edict ? 0 : -1);
723 static int qc_kill(qc_program *prog)
728 prog_free_entity(prog, ent->edict);
732 static int qc_vlen(qc_program *prog)
737 len._float = sqrt(vec->vector[0] * vec->vector[0] +
738 vec->vector[1] * vec->vector[1] +
739 vec->vector[2] * vec->vector[2]);
744 static prog_builtin qc_builtins[] = {
756 static size_t qc_builtins_count = sizeof(qc_builtins) / sizeof(qc_builtins[0]);
758 static const char *arg0 = NULL;
760 static void version() {
761 printf("GMQCC-QCVM %d.%d.%d Built %s %s\n",
772 printf("usage: %s [options] [parameters] file\n", arg0);
773 printf("options:\n");
774 printf(" -h, --help print this message\n"
775 " -trace trace the execution\n"
776 " -profile perform profiling during execution\n"
777 " -info print information from the prog's header\n"
778 " -disasm disassemble and exit\n"
779 " -printdefs list the defs section\n"
780 " -printfields list the field section\n"
781 " -printfuns list functions information\n");
782 printf("parameters:\n");
783 printf(" -vector <V> pass a vector parameter to main()\n"
784 " -float <f> pass a float parameter to main()\n"
785 " -string <s> pass a string parameter to main() \n");
788 static void prog_main_setparams(qc_program *prog)
793 for (i = 0; i < vec_size(main_params); ++i) {
794 arg = GetGlobal(OFS_PARM0 + 3*i);
798 switch (main_params[i].vtype) {
801 (void)sscanf_s(main_params[i].value, " %f %f %f ",
806 (void)sscanf(main_params[i].value, " %f %f %f ",
813 arg->_float = atof(main_params[i].value);
816 arg->string = prog_tempstring(prog, main_params[i].value);
819 printf("error: unhandled parameter type: %i\n", main_params[i].vtype);
825 void prog_disasm_function(qc_program *prog, size_t id);
826 int main(int argc, char **argv)
831 size_t xflags = VMXF_DEFAULT;
832 bool opts_printfields = false;
833 bool opts_printdefs = false;
834 bool opts_printfuns = false;
835 bool opts_disasm = false;
836 bool opts_info = false;
838 const char *progsfile = NULL;
848 if (!strcmp(argv[1], "-h") ||
849 !strcmp(argv[1], "-help") ||
850 !strcmp(argv[1], "--help"))
855 else if (!strcmp(argv[1], "-v") ||
856 !strcmp(argv[1], "-version") ||
857 !strcmp(argv[1], "--version"))
862 else if (!strcmp(argv[1], "-trace")) {
865 xflags |= VMXF_TRACE;
867 else if (!strcmp(argv[1], "-profile")) {
870 xflags |= VMXF_PROFILE;
872 else if (!strcmp(argv[1], "-info")) {
878 else if (!strcmp(argv[1], "-disasm")) {
884 else if (!strcmp(argv[1], "-printdefs")) {
887 opts_printdefs = true;
890 else if (!strcmp(argv[1], "-printfuns")) {
893 opts_printfuns = true;
896 else if (!strcmp(argv[1], "-printfields")) {
899 opts_printfields = true;
902 else if (!strcmp(argv[1], "-vector") ||
903 !strcmp(argv[1], "-string") ||
904 !strcmp(argv[1], "-float") )
907 if (argv[1][1] == 'f')
908 p.vtype = TYPE_FLOAT;
909 else if (argv[1][1] == 's')
910 p.vtype = TYPE_STRING;
911 else if (argv[1][1] == 'v')
912 p.vtype = TYPE_VECTOR;
922 vec_push(main_params, p);
926 else if (!strcmp(argv[1], "--")) {
931 else if (argv[1][0] != '-') {
933 printf("only 1 program file may be specified\n");
954 printf("only 1 program file may be specified\n");
968 prog = prog_load(progsfile);
970 printf("failed to load program '%s'\n", progsfile);
974 prog->builtins = qc_builtins;
975 prog->builtins_count = qc_builtins_count;
978 printf("Program's system-checksum = 0x%04x\n", (unsigned int)prog->crc16);
979 printf("Entity field space: %u\n", (unsigned int)prog->entityfields);
980 printf("Globals: %u\n", (unsigned int)vec_size(prog->globals));
987 (unsigned long)vec_size(prog->code),
988 (unsigned long)vec_size(prog->defs),
989 (unsigned long)vec_size(prog->fields),
990 (unsigned long)vec_size(prog->functions),
991 (unsigned long)vec_size(prog->strings));
999 for (i = 1; i < vec_size(prog->functions); ++i)
1000 prog_disasm_function(prog, i);
1003 if (opts_printdefs) {
1004 for (i = 0; i < vec_size(prog->defs); ++i) {
1005 printf("Global: %8s %-16s at %u%s\n",
1006 type_name[prog->defs[i].type & DEF_TYPEMASK],
1007 prog_getstring(prog, prog->defs[i].name),
1008 (unsigned int)prog->defs[i].offset,
1009 ((prog->defs[i].type & DEF_SAVEGLOBAL) ? " [SAVE]" : ""));
1012 if (opts_printfields) {
1013 for (i = 0; i < vec_size(prog->fields); ++i) {
1014 printf("Field: %8s %-16s at %u%s\n",
1015 type_name[prog->fields[i].type],
1016 prog_getstring(prog, prog->fields[i].name),
1017 (unsigned int)prog->fields[i].offset,
1018 ((prog->fields[i].type & DEF_SAVEGLOBAL) ? " [SAVE]" : ""));
1021 if (opts_printfuns) {
1022 for (i = 0; i < vec_size(prog->functions); ++i) {
1024 printf("Function: %-16s taking %i parameters:(",
1025 prog_getstring(prog, prog->functions[i].name),
1026 (unsigned int)prog->functions[i].nargs);
1027 for (a = 0; a < prog->functions[i].nargs; ++a) {
1028 printf(" %i", prog->functions[i].argsize[a]);
1030 printf(") locals: %i + %i\n",
1031 prog->functions[i].firstlocal,
1032 prog->functions[i].locals);
1036 for (i = 1; i < vec_size(prog->functions); ++i) {
1037 const char *name = prog_getstring(prog, prog->functions[i].name);
1038 if (!strcmp(name, "main"))
1043 prog_main_setparams(prog);
1044 prog_exec(prog, &prog->functions[fnmain], xflags, VM_JUMPS_DEFAULT);
1047 printf("No main function found\n");
1054 void prog_disasm_function(qc_program *prog, size_t id)
1056 prog_section_function *fdef = prog->functions + id;
1057 prog_section_statement *st;
1059 if (fdef->entry < 0) {
1060 printf("FUNCTION \"%s\" = builtin #%i\n", prog_getstring(prog, fdef->name), (int)-fdef->entry);
1064 printf("FUNCTION \"%s\"\n", prog_getstring(prog, fdef->name));
1066 st = prog->code + fdef->entry;
1067 while (st->opcode != INSTR_DONE) {
1068 prog_print_statement(prog, st);
1073 #else /* !QCVM_LOOP */
1075 * Everything from here on is not including into the compilation of the
1076 * executor. This is simply code that is #included via #include __FILE__
1077 * see when QCVM_LOOP is defined, the rest of the code above do not get
1078 * re-included. So this really just acts like one large macro, but it
1079 * sort of isn't, which makes it nicer looking.
1082 #define OPA ( (qcany*) (prog->globals + st->o1.u1) )
1083 #define OPB ( (qcany*) (prog->globals + st->o2.u1) )
1084 #define OPC ( (qcany*) (prog->globals + st->o3.u1) )
1086 #define GLOBAL(x) ( (qcany*) (prog->globals + (x)) )
1088 /* to be consistent with current darkplaces behaviour */
1089 #if !defined(FLOAT_IS_TRUE_FOR_INT)
1090 # define FLOAT_IS_TRUE_FOR_INT(x) ( (x) & 0x7FFFFFFF )
1094 prog_section_function *newf;
1101 prog->profile[st - prog->code]++;
1105 prog_print_statement(prog, st);
1111 qcvmerror(prog, "Illegal instruction in %s\n", prog->filename);
1116 /* TODO: add instruction count to function profile count */
1117 GLOBAL(OFS_RETURN)->ivector[0] = OPA->ivector[0];
1118 GLOBAL(OFS_RETURN)->ivector[1] = OPA->ivector[1];
1119 GLOBAL(OFS_RETURN)->ivector[2] = OPA->ivector[2];
1121 st = prog->code + prog_leavefunction(prog);
1122 if (!vec_size(prog->stack))
1128 OPC->_float = OPA->_float * OPB->_float;
1131 OPC->_float = OPA->vector[0]*OPB->vector[0] +
1132 OPA->vector[1]*OPB->vector[1] +
1133 OPA->vector[2]*OPB->vector[2];
1136 OPC->vector[0] = OPA->_float * OPB->vector[0];
1137 OPC->vector[1] = OPA->_float * OPB->vector[1];
1138 OPC->vector[2] = OPA->_float * OPB->vector[2];
1141 OPC->vector[0] = OPB->_float * OPA->vector[0];
1142 OPC->vector[1] = OPB->_float * OPA->vector[1];
1143 OPC->vector[2] = OPB->_float * OPA->vector[2];
1146 if (OPB->_float != 0.0f)
1147 OPC->_float = OPA->_float / OPB->_float;
1153 OPC->_float = OPA->_float + OPB->_float;
1156 OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
1157 OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
1158 OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
1161 OPC->_float = OPA->_float - OPB->_float;
1164 OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
1165 OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
1166 OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
1170 OPC->_float = (OPA->_float == OPB->_float);
1173 OPC->_float = ((OPA->vector[0] == OPB->vector[0]) &&
1174 (OPA->vector[1] == OPB->vector[1]) &&
1175 (OPA->vector[2] == OPB->vector[2]) );
1178 OPC->_float = !strcmp(prog_getstring(prog, OPA->string),
1179 prog_getstring(prog, OPB->string));
1182 OPC->_float = (OPA->_int == OPB->_int);
1185 OPC->_float = (OPA->function == OPB->function);
1188 OPC->_float = (OPA->_float != OPB->_float);
1191 OPC->_float = ((OPA->vector[0] != OPB->vector[0]) ||
1192 (OPA->vector[1] != OPB->vector[1]) ||
1193 (OPA->vector[2] != OPB->vector[2]) );
1196 OPC->_float = !!strcmp(prog_getstring(prog, OPA->string),
1197 prog_getstring(prog, OPB->string));
1200 OPC->_float = (OPA->_int != OPB->_int);
1203 OPC->_float = (OPA->function != OPB->function);
1207 OPC->_float = (OPA->_float <= OPB->_float);
1210 OPC->_float = (OPA->_float >= OPB->_float);
1213 OPC->_float = (OPA->_float < OPB->_float);
1216 OPC->_float = (OPA->_float > OPB->_float);
1221 case INSTR_LOAD_FLD:
1222 case INSTR_LOAD_ENT:
1223 case INSTR_LOAD_FNC:
1224 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1225 qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename);
1228 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields)) {
1229 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1234 ed = prog_getedict(prog, OPA->edict);
1235 OPC->_int = ((qcany*)( ((qcint*)ed) + OPB->_int ))->_int;
1238 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1239 qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename);
1242 if (OPB->_int < 0 || OPB->_int + 3 > (qcint)prog->entityfields)
1244 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1249 ed = prog_getedict(prog, OPA->edict);
1250 OPC->ivector[0] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[0];
1251 OPC->ivector[1] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[1];
1252 OPC->ivector[2] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[2];
1256 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1257 qcvmerror(prog, "prog `%s` attempted to address an out of bounds entity %i", prog->filename, OPA->edict);
1260 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields))
1262 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1268 ed = prog_getedict(prog, OPA->edict);
1269 OPC->_int = ((qcint*)ed) - prog->entitydata + OPB->_int;
1274 case INSTR_STORE_ENT:
1275 case INSTR_STORE_FLD:
1276 case INSTR_STORE_FNC:
1277 OPB->_int = OPA->_int;
1280 OPB->ivector[0] = OPA->ivector[0];
1281 OPB->ivector[1] = OPA->ivector[1];
1282 OPB->ivector[2] = OPA->ivector[2];
1285 case INSTR_STOREP_F:
1286 case INSTR_STOREP_S:
1287 case INSTR_STOREP_ENT:
1288 case INSTR_STOREP_FLD:
1289 case INSTR_STOREP_FNC:
1290 if (OPB->_int < 0 || OPB->_int >= (qcint)vec_size(prog->entitydata)) {
1291 qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int);
1294 if (OPB->_int < (qcint)prog->entityfields && !prog->allowworldwrites)
1295 qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n",
1297 prog_getstring(prog, prog_entfield(prog, OPB->_int)->name),
1299 ptr = (qcany*)(prog->entitydata + OPB->_int);
1300 ptr->_int = OPA->_int;
1302 case INSTR_STOREP_V:
1303 if (OPB->_int < 0 || OPB->_int + 2 >= (qcint)vec_size(prog->entitydata)) {
1304 qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int);
1307 if (OPB->_int < (qcint)prog->entityfields && !prog->allowworldwrites)
1308 qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n",
1310 prog_getstring(prog, prog_entfield(prog, OPB->_int)->name),
1312 ptr = (qcany*)(prog->entitydata + OPB->_int);
1313 ptr->ivector[0] = OPA->ivector[0];
1314 ptr->ivector[1] = OPA->ivector[1];
1315 ptr->ivector[2] = OPA->ivector[2];
1319 OPC->_float = !FLOAT_IS_TRUE_FOR_INT(OPA->_int);
1322 OPC->_float = !OPA->vector[0] &&
1327 OPC->_float = !OPA->string ||
1328 !*prog_getstring(prog, OPA->string);
1331 OPC->_float = (OPA->edict == 0);
1334 OPC->_float = !OPA->function;
1338 /* this is consistent with darkplaces' behaviour */
1339 if(FLOAT_IS_TRUE_FOR_INT(OPA->_int))
1341 st += st->o2.s1 - 1; /* offset the s++ */
1342 if (++jumpcount >= maxjumps)
1343 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1347 if(!FLOAT_IS_TRUE_FOR_INT(OPA->_int))
1349 st += st->o2.s1 - 1; /* offset the s++ */
1350 if (++jumpcount >= maxjumps)
1351 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1364 prog->argc = st->opcode - INSTR_CALL0;
1366 qcvmerror(prog, "NULL function in `%s`", prog->filename);
1368 if(!OPA->function || OPA->function >= (qcint)vec_size(prog->functions))
1370 qcvmerror(prog, "CALL outside the program in `%s`", prog->filename);
1374 newf = &prog->functions[OPA->function];
1377 prog->statement = (st - prog->code) + 1;
1379 if (newf->entry < 0)
1381 /* negative statements are built in functions */
1382 qcint builtinnumber = -newf->entry;
1383 if (builtinnumber < (qcint)prog->builtins_count && prog->builtins[builtinnumber])
1384 prog->builtins[builtinnumber](prog);
1386 qcvmerror(prog, "No such builtin #%i in %s! Try updating your gmqcc sources",
1387 builtinnumber, prog->filename);
1390 st = prog->code + prog_enterfunction(prog, newf) - 1; /* offset st++ */
1396 qcvmerror(prog, "`%s` tried to execute a STATE operation", prog->filename);
1400 st += st->o1.s1 - 1; /* offset the s++ */
1401 if (++jumpcount == 10000000)
1402 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1406 OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) &&
1407 FLOAT_IS_TRUE_FOR_INT(OPB->_int);
1410 OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) ||
1411 FLOAT_IS_TRUE_FOR_INT(OPB->_int);
1415 OPC->_float = ((int)OPA->_float) & ((int)OPB->_float);
1418 OPC->_float = ((int)OPA->_float) | ((int)OPB->_float);
1425 #endif /* !QCVM_LOOP */