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)
60 file = util_fopen(filename, "rb");
64 if (fread(&header, sizeof(header), 1, file) != 1) {
65 loaderror("failed to read header from '%s'", filename);
70 if (header.version != 6) {
71 loaderror("header says this is a version %i progs, we need version 6\n", header.version);
76 prog = (qc_program*)mem_a(sizeof(qc_program));
79 printf("failed to allocate program data\n");
82 memset(prog, 0, sizeof(*prog));
84 prog->entityfields = header.entfield;
85 prog->crc16 = header.crc16;
87 prog->filename = util_strdup(filename);
88 if (!prog->filename) {
89 loaderror("failed to store program name");
93 #define read_data(hdrvar, progvar, reserved) \
94 if (fseek(file, header.hdrvar.offset, SEEK_SET) != 0) { \
95 loaderror("seek failed"); \
98 if (fread(vec_add(prog->progvar, header.hdrvar.length + reserved), \
99 sizeof(*prog->progvar), \
100 header.hdrvar.length, file) \
101 != header.hdrvar.length) \
103 loaderror("read failed"); \
106 #define read_data1(x) read_data(x, x, 0)
107 #define read_data2(x, y) read_data(x, x, y)
109 read_data (statements, code, 0);
112 read_data1(functions);
114 read_data2(globals, 2); /* reserve more in case a RETURN using with the global at "the end" exists */
118 /* profile counters */
119 memset(vec_add(prog->profile, vec_size(prog->code)), 0, sizeof(prog->profile[0]) * vec_size(prog->code));
121 /* Add tempstring area */
122 prog->tempstring_start = vec_size(prog->strings);
123 prog->tempstring_at = vec_size(prog->strings);
124 memset(vec_add(prog->strings, 16*1024), 0, 16*1024);
126 /* spawn the world entity */
127 vec_push(prog->entitypool, true);
128 memset(vec_add(prog->entitydata, prog->entityfields), 0, prog->entityfields * sizeof(prog->entitydata[0]));
135 mem_d(prog->filename);
136 vec_free(prog->code);
137 vec_free(prog->defs);
138 vec_free(prog->fields);
139 vec_free(prog->functions);
140 vec_free(prog->strings);
141 vec_free(prog->globals);
142 vec_free(prog->entitydata);
143 vec_free(prog->entitypool);
148 void prog_delete(qc_program *prog)
150 if (prog->filename) mem_d(prog->filename);
151 vec_free(prog->code);
152 vec_free(prog->defs);
153 vec_free(prog->fields);
154 vec_free(prog->functions);
155 vec_free(prog->strings);
156 vec_free(prog->globals);
157 vec_free(prog->entitydata);
158 vec_free(prog->entitypool);
159 vec_free(prog->localstack);
160 vec_free(prog->stack);
161 vec_free(prog->profile);
165 /***********************************************************************
169 char* prog_getstring(qc_program *prog, qcint str)
171 if (str < 0 || str >= (qcint)vec_size(prog->strings))
172 return "<<<invalid string>>>";
173 return prog->strings + str;
176 prog_section_def* prog_entfield(qc_program *prog, qcint off)
179 for (i = 0; i < vec_size(prog->fields); ++i) {
180 if (prog->fields[i].offset == off)
181 return (prog->fields + i);
186 prog_section_def* prog_getdef(qc_program *prog, qcint off)
189 for (i = 0; i < vec_size(prog->defs); ++i) {
190 if (prog->defs[i].offset == off)
191 return (prog->defs + i);
196 qcany* prog_getedict(qc_program *prog, qcint e)
198 if (e >= (qcint)vec_size(prog->entitypool)) {
200 printf("Accessing out of bounds edict %i\n", (int)e);
203 return (qcany*)(prog->entitydata + (prog->entityfields * e));
206 qcint prog_spawn_entity(qc_program *prog)
210 for (e = 0; e < (qcint)vec_size(prog->entitypool); ++e) {
211 if (!prog->entitypool[e]) {
212 data = (char*)(prog->entitydata + (prog->entityfields * e));
213 memset(data, 0, prog->entityfields * sizeof(qcint));
217 vec_push(prog->entitypool, true);
219 data = (char*)vec_add(prog->entitydata, prog->entityfields);
220 memset(data, 0, prog->entityfields * sizeof(qcint));
224 void prog_free_entity(qc_program *prog, qcint e)
228 printf("Trying to free world entity\n");
231 if (e >= (qcint)vec_size(prog->entitypool)) {
233 printf("Trying to free out of bounds entity\n");
236 if (!prog->entitypool[e]) {
238 printf("Double free on entity\n");
241 prog->entitypool[e] = false;
244 qcint prog_tempstring(qc_program *prog, const char *_str)
246 /* we don't access it, but the macro-generated functions don't use
249 char *str = (char*)_str;
251 size_t len = strlen(str);
252 size_t at = prog->tempstring_at;
254 /* when we reach the end we start over */
255 if (at + len >= vec_size(prog->strings))
256 at = prog->tempstring_start;
258 /* when it doesn't fit, reallocate */
259 if (at + len >= vec_size(prog->strings))
261 (void)vec_add(prog->strings, len+1);
262 memcpy(prog->strings + at, str, len+1);
266 /* when it fits, just copy */
267 memcpy(prog->strings + at, str, len+1);
268 prog->tempstring_at += len+1;
272 static size_t print_escaped_string(const char *str, size_t maxlen)
276 --maxlen; /* because we're lazy and have escape sequences */
286 case '\a': len += 2; putchar('\\'); putchar('a'); break;
287 case '\b': len += 2; putchar('\\'); putchar('b'); break;
288 case '\r': len += 2; putchar('\\'); putchar('r'); break;
289 case '\n': len += 2; putchar('\\'); putchar('n'); break;
290 case '\t': len += 2; putchar('\\'); putchar('t'); break;
291 case '\f': len += 2; putchar('\\'); putchar('f'); break;
292 case '\v': len += 2; putchar('\\'); putchar('v'); break;
293 case '\\': len += 2; putchar('\\'); putchar('\\'); break;
294 case '"': len += 2; putchar('\\'); putchar('"'); break;
306 static void trace_print_global(qc_program *prog, unsigned int glob, int vtype)
308 static char spaces[28+1] = " ";
309 prog_section_def *def;
314 len = printf("<null>,");
318 def = prog_getdef(prog, glob);
319 value = (qcany*)(&prog->globals[glob]);
321 len = printf("[@%u] ", glob);
323 const char *name = prog_getstring(prog, def->name);
327 len += printf("%s ", name);
328 vtype = def->type & DEF_TYPEMASK;
337 len += printf("(%i),", value->_int);
340 len += printf("'%g %g %g',", value->vector[0],
345 len += print_escaped_string(prog_getstring(prog, value->string), sizeof(spaces)-len-5);
347 /* len += printf("\"%s\",", prog_getstring(prog, value->string)); */
351 len += printf("%g,", value->_float);
355 if (len < (int)sizeof(spaces)-1) {
356 spaces[sizeof(spaces)-1-len] = 0;
358 spaces[sizeof(spaces)-1-len] = ' ';
362 static void prog_print_statement(qc_program *prog, prog_section_statement *st)
364 if (st->opcode >= (sizeof(asm_instr)/sizeof(asm_instr[0]))) {
365 printf("<illegal instruction %d>\n", st->opcode);
368 if ((prog->xflags & VMXF_TRACE) && vec_size(prog->function_stack)) {
370 for (i = 0; i < vec_size(prog->function_stack); ++i)
372 printf("%s:", vec_last(prog->function_stack));
374 printf(" <> %-12s", asm_instr[st->opcode].m);
375 if (st->opcode >= INSTR_IF &&
376 st->opcode <= INSTR_IFNOT)
378 trace_print_global(prog, st->o1.u1, TYPE_FLOAT);
379 printf("%d\n", st->o2.s1);
381 else if (st->opcode >= INSTR_CALL0 &&
382 st->opcode <= INSTR_CALL8)
384 trace_print_global(prog, st->o1.u1, TYPE_FUNCTION);
387 else if (st->opcode == INSTR_GOTO)
389 printf("%i\n", st->o1.s1);
393 int t[3] = { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT };
397 t[1] = t[2] = TYPE_VECTOR;
400 t[0] = t[2] = TYPE_VECTOR;
403 t[0] = t[1] = TYPE_VECTOR;
409 t[0] = t[1] = t[2] = TYPE_VECTOR;
413 t[0] = t[1] = TYPE_STRING;
420 t[0] = t[1] = TYPE_VECTOR; t[2] = -1;
423 t[0] = t[1] = TYPE_STRING; t[2] = -1;
425 case INSTR_STORE_ENT:
426 t[0] = t[1] = TYPE_ENTITY; t[2] = -1;
428 case INSTR_STORE_FLD:
429 t[0] = t[1] = TYPE_FIELD; t[2] = -1;
431 case INSTR_STORE_FNC:
432 t[0] = t[1] = TYPE_FUNCTION; t[2] = -1;
435 t[0] = TYPE_VECTOR; t[1] = TYPE_ENTITY; t[2] = -1;
438 t[0] = TYPE_STRING; t[1] = TYPE_ENTITY; t[2] = -1;
440 case INSTR_STOREP_ENT:
441 t[0] = TYPE_ENTITY; t[1] = TYPE_ENTITY; t[2] = -1;
443 case INSTR_STOREP_FLD:
444 t[0] = TYPE_FIELD; t[1] = TYPE_ENTITY; t[2] = -1;
446 case INSTR_STOREP_FNC:
447 t[0] = TYPE_FUNCTION; t[1] = TYPE_ENTITY; t[2] = -1;
450 if (t[0] >= 0) trace_print_global(prog, st->o1.u1, t[0]);
451 else printf("(none), ");
452 if (t[1] >= 0) trace_print_global(prog, st->o2.u1, t[1]);
453 else printf("(none), ");
454 if (t[2] >= 0) trace_print_global(prog, st->o3.u1, t[2]);
455 else printf("(none)");
461 static qcint prog_enterfunction(qc_program *prog, prog_section_function *func)
468 st.localsp = vec_size(prog->localstack);
469 st.stmt = prog->statement;
472 if (prog->xflags & VMXF_TRACE) {
473 vec_push(prog->function_stack, prog_getstring(prog, func->name));
476 #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
477 if (vec_size(prog->stack))
479 prog_section_function *cur;
480 cur = prog->stack[vec_size(prog->stack)-1].function;
483 qcint *globals = prog->globals + cur->firstlocal;
484 vec_append(prog->localstack, cur->locals, globals);
489 qcint *globals = prog->globals + func->firstlocal;
490 vec_append(prog->localstack, func->locals, globals);
494 /* copy parameters */
495 parampos = func->firstlocal;
496 for (p = 0; p < func->nargs; ++p)
499 for (s = 0; s < func->argsize[p]; ++s) {
500 prog->globals[parampos] = prog->globals[OFS_PARM0 + 3*p + s];
505 vec_push(prog->stack, st);
510 static qcint prog_leavefunction(qc_program *prog)
512 prog_section_function *prev = NULL;
515 qc_exec_stack st = vec_last(prog->stack);
517 if (prog->xflags & VMXF_TRACE) {
518 if (vec_size(prog->function_stack))
519 vec_pop(prog->function_stack);
522 #ifdef QCVM_BACKUP_STRATEGY_CALLER_VARS
523 if (vec_size(prog->stack) > 1) {
524 prev = prog->stack[vec_size(prog->stack)-2].function;
525 oldsp = prog->stack[vec_size(prog->stack)-2].localsp;
528 prev = prog->stack[vec_size(prog->stack)-1].function;
529 oldsp = prog->stack[vec_size(prog->stack)-1].localsp;
532 qcint *globals = prog->globals + prev->firstlocal;
533 memcpy(globals, prog->localstack + oldsp, prev->locals);
534 /* vec_remove(prog->localstack, oldsp, vec_size(prog->localstack)-oldsp); */
535 vec_shrinkto(prog->localstack, oldsp);
538 vec_pop(prog->stack);
540 return st.stmt - 1; /* offset the ++st */
543 bool prog_exec(qc_program *prog, prog_section_function *func, size_t flags, long maxjumps)
546 size_t oldxflags = prog->xflags;
547 prog_section_statement *st;
550 prog->xflags = flags;
552 st = prog->code + prog_enterfunction(prog, func);
560 #define QCVM_PROFILE 0
567 #define QCVM_PROFILE 0
574 #define QCVM_PROFILE 1
579 case (VMXF_TRACE|VMXF_PROFILE):
581 #define QCVM_PROFILE 1
589 prog->xflags = oldxflags;
590 vec_free(prog->localstack);
591 vec_free(prog->stack);
597 /***********************************************************************
598 * main for when building the standalone executor
601 #if defined(QCVM_EXECUTOR)
606 const char *type_name[TYPE_COUNT] = {
626 qcvm_parameter *main_params = NULL;
628 #define CheckArgs(num) do { \
629 if (prog->argc != (num)) { \
631 printf("ERROR: invalid number of arguments for %s: %i, expected %i\n", \
632 __FUNCTION__, prog->argc, (num)); \
637 #define GetGlobal(idx) ((qcany*)(prog->globals + (idx)))
638 #define GetArg(num) GetGlobal(OFS_PARM0 + 3*(num))
639 #define Return(any) *(GetGlobal(OFS_RETURN)) = (any)
641 static int qc_print(qc_program *prog)
644 const char *laststr = NULL;
645 for (i = 0; i < (size_t)prog->argc; ++i) {
646 qcany *str = (qcany*)(prog->globals + OFS_PARM0 + 3*i);
647 printf("%s", (laststr = prog_getstring(prog, str->string)));
649 if (laststr && (prog->xflags & VMXF_TRACE)) {
650 size_t len = strlen(laststr);
651 if (!len || laststr[len-1] != '\n')
657 static int qc_error(qc_program *prog)
659 printf("*** VM raised an error:\n");
665 static int qc_ftos(qc_program *prog)
672 snprintf(buffer, sizeof(buffer), "%g", num->_float);
673 str.string = prog_tempstring(prog, buffer);
678 static int qc_stof(qc_program *prog)
684 num._float = strtof(prog_getstring(prog, str->string), NULL);
689 static int qc_vtos(qc_program *prog)
696 snprintf(buffer, sizeof(buffer), "'%g %g %g'", num->vector[0], num->vector[1], num->vector[2]);
697 str.string = prog_tempstring(prog, buffer);
702 static int qc_etos(qc_program *prog)
709 snprintf(buffer, sizeof(buffer), "%i", num->_int);
710 str.string = prog_tempstring(prog, buffer);
715 static int qc_spawn(qc_program *prog)
719 ent.edict = prog_spawn_entity(prog);
721 return (ent.edict ? 0 : -1);
724 static int qc_kill(qc_program *prog)
729 prog_free_entity(prog, ent->edict);
733 static int qc_vlen(qc_program *prog)
738 len._float = sqrt(vec->vector[0] * vec->vector[0] +
739 vec->vector[1] * vec->vector[1] +
740 vec->vector[2] * vec->vector[2]);
745 static prog_builtin qc_builtins[] = {
757 static size_t qc_builtins_count = sizeof(qc_builtins) / sizeof(qc_builtins[0]);
759 static const char *arg0 = NULL;
761 static void version() {
762 printf("GMQCC-QCVM %d.%d.%d Built %s %s\n",
773 printf("usage: %s [options] [parameters] file\n", arg0);
774 printf("options:\n");
775 printf(" -h, --help print this message\n"
776 " -trace trace the execution\n"
777 " -profile perform profiling during execution\n"
778 " -info print information from the prog's header\n"
779 " -disasm disassemble and exit\n"
780 " -printdefs list the defs section\n"
781 " -printfields list the field section\n"
782 " -printfuns list functions information\n");
783 printf("parameters:\n");
784 printf(" -vector <V> pass a vector parameter to main()\n"
785 " -float <f> pass a float parameter to main()\n"
786 " -string <s> pass a string parameter to main() \n");
789 static void prog_main_setparams(qc_program *prog)
794 for (i = 0; i < vec_size(main_params); ++i) {
795 arg = GetGlobal(OFS_PARM0 + 3*i);
799 switch (main_params[i].vtype) {
802 (void)sscanf_s(main_params[i].value, " %f %f %f ",
807 (void)sscanf(main_params[i].value, " %f %f %f ",
814 arg->_float = atof(main_params[i].value);
817 arg->string = prog_tempstring(prog, main_params[i].value);
820 printf("error: unhandled parameter type: %i\n", main_params[i].vtype);
826 void prog_disasm_function(qc_program *prog, size_t id);
827 int main(int argc, char **argv)
832 size_t xflags = VMXF_DEFAULT;
833 bool opts_printfields = false;
834 bool opts_printdefs = false;
835 bool opts_printfuns = false;
836 bool opts_disasm = false;
837 bool opts_info = false;
839 const char *progsfile = NULL;
849 if (!strcmp(argv[1], "-h") ||
850 !strcmp(argv[1], "-help") ||
851 !strcmp(argv[1], "--help"))
856 else if (!strcmp(argv[1], "-v") ||
857 !strcmp(argv[1], "-version") ||
858 !strcmp(argv[1], "--version"))
863 else if (!strcmp(argv[1], "-trace")) {
866 xflags |= VMXF_TRACE;
868 else if (!strcmp(argv[1], "-profile")) {
871 xflags |= VMXF_PROFILE;
873 else if (!strcmp(argv[1], "-info")) {
879 else if (!strcmp(argv[1], "-disasm")) {
885 else if (!strcmp(argv[1], "-printdefs")) {
888 opts_printdefs = true;
891 else if (!strcmp(argv[1], "-printfuns")) {
894 opts_printfuns = true;
897 else if (!strcmp(argv[1], "-printfields")) {
900 opts_printfields = true;
903 else if (!strcmp(argv[1], "-vector") ||
904 !strcmp(argv[1], "-string") ||
905 !strcmp(argv[1], "-float") )
908 if (argv[1][1] == 'f')
909 p.vtype = TYPE_FLOAT;
910 else if (argv[1][1] == 's')
911 p.vtype = TYPE_STRING;
912 else if (argv[1][1] == 'v')
913 p.vtype = TYPE_VECTOR;
923 vec_push(main_params, p);
927 else if (!strcmp(argv[1], "--")) {
932 else if (argv[1][0] != '-') {
934 printf("only 1 program file may be specified\n");
955 printf("only 1 program file may be specified\n");
969 prog = prog_load(progsfile);
971 printf("failed to load program '%s'\n", progsfile);
975 prog->builtins = qc_builtins;
976 prog->builtins_count = qc_builtins_count;
979 printf("Program's system-checksum = 0x%04x\n", (unsigned int)prog->crc16);
980 printf("Entity field space: %u\n", (unsigned int)prog->entityfields);
981 printf("Globals: %u\n", (unsigned int)vec_size(prog->globals));
989 for (i = 1; i < vec_size(prog->functions); ++i)
990 prog_disasm_function(prog, i);
993 if (opts_printdefs) {
994 for (i = 0; i < vec_size(prog->defs); ++i) {
995 printf("Global: %8s %-16s at %u%s\n",
996 type_name[prog->defs[i].type & DEF_TYPEMASK],
997 prog_getstring(prog, prog->defs[i].name),
998 (unsigned int)prog->defs[i].offset,
999 ((prog->defs[i].type & DEF_SAVEGLOBAL) ? " [SAVE]" : ""));
1002 if (opts_printfields) {
1003 for (i = 0; i < vec_size(prog->fields); ++i) {
1004 printf("Field: %8s %-16s at %u%s\n",
1005 type_name[prog->fields[i].type],
1006 prog_getstring(prog, prog->fields[i].name),
1007 (unsigned int)prog->fields[i].offset,
1008 ((prog->fields[i].type & DEF_SAVEGLOBAL) ? " [SAVE]" : ""));
1011 if (opts_printfuns) {
1012 for (i = 0; i < vec_size(prog->functions); ++i) {
1014 printf("Function: %-16s taking %i parameters:(",
1015 prog_getstring(prog, prog->functions[i].name),
1016 (unsigned int)prog->functions[i].nargs);
1017 for (a = 0; a < prog->functions[i].nargs; ++a) {
1018 printf(" %i", prog->functions[i].argsize[a]);
1020 printf(") locals: %i + %i\n",
1021 prog->functions[i].firstlocal,
1022 prog->functions[i].locals);
1026 for (i = 1; i < vec_size(prog->functions); ++i) {
1027 const char *name = prog_getstring(prog, prog->functions[i].name);
1028 if (!strcmp(name, "main"))
1033 prog_main_setparams(prog);
1034 prog_exec(prog, &prog->functions[fnmain], xflags, VM_JUMPS_DEFAULT);
1037 printf("No main function found\n");
1044 void prog_disasm_function(qc_program *prog, size_t id)
1046 prog_section_function *fdef = prog->functions + id;
1047 prog_section_statement *st;
1049 if (fdef->entry < 0) {
1050 printf("FUNCTION \"%s\" = builtin #%i\n", prog_getstring(prog, fdef->name), (int)-fdef->entry);
1054 printf("FUNCTION \"%s\"\n", prog_getstring(prog, fdef->name));
1056 st = prog->code + fdef->entry;
1057 while (st->opcode != INSTR_DONE) {
1058 prog_print_statement(prog, st);
1063 #else /* !QCVM_LOOP */
1065 * Everything from here on is not including into the compilation of the
1066 * executor. This is simply code that is #included via #include __FILE__
1067 * see when QCVM_LOOP is defined, the rest of the code above do not get
1068 * re-included. So this really just acts like one large macro, but it
1069 * sort of isn't, which makes it nicer looking.
1072 #define OPA ( (qcany*) (prog->globals + st->o1.u1) )
1073 #define OPB ( (qcany*) (prog->globals + st->o2.u1) )
1074 #define OPC ( (qcany*) (prog->globals + st->o3.u1) )
1076 #define GLOBAL(x) ( (qcany*) (prog->globals + (x)) )
1078 /* to be consistent with current darkplaces behaviour */
1079 #if !defined(FLOAT_IS_TRUE_FOR_INT)
1080 # define FLOAT_IS_TRUE_FOR_INT(x) ( (x) & 0x7FFFFFFF )
1084 prog_section_function *newf;
1091 prog->profile[st - prog->code]++;
1095 prog_print_statement(prog, st);
1101 qcvmerror(prog, "Illegal instruction in %s\n", prog->filename);
1106 /* TODO: add instruction count to function profile count */
1107 GLOBAL(OFS_RETURN)->ivector[0] = OPA->ivector[0];
1108 GLOBAL(OFS_RETURN)->ivector[1] = OPA->ivector[1];
1109 GLOBAL(OFS_RETURN)->ivector[2] = OPA->ivector[2];
1111 st = prog->code + prog_leavefunction(prog);
1112 if (!vec_size(prog->stack))
1118 OPC->_float = OPA->_float * OPB->_float;
1121 OPC->_float = OPA->vector[0]*OPB->vector[0] +
1122 OPA->vector[1]*OPB->vector[1] +
1123 OPA->vector[2]*OPB->vector[2];
1126 OPC->vector[0] = OPA->_float * OPB->vector[0];
1127 OPC->vector[1] = OPA->_float * OPB->vector[1];
1128 OPC->vector[2] = OPA->_float * OPB->vector[2];
1131 OPC->vector[0] = OPB->_float * OPA->vector[0];
1132 OPC->vector[1] = OPB->_float * OPA->vector[1];
1133 OPC->vector[2] = OPB->_float * OPA->vector[2];
1136 if (OPB->_float != 0.0f)
1137 OPC->_float = OPA->_float / OPB->_float;
1143 OPC->_float = OPA->_float + OPB->_float;
1146 OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
1147 OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
1148 OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
1151 OPC->_float = OPA->_float - OPB->_float;
1154 OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
1155 OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
1156 OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
1160 OPC->_float = (OPA->_float == OPB->_float);
1163 OPC->_float = ((OPA->vector[0] == OPB->vector[0]) &&
1164 (OPA->vector[1] == OPB->vector[1]) &&
1165 (OPA->vector[2] == OPB->vector[2]) );
1168 OPC->_float = !strcmp(prog_getstring(prog, OPA->string),
1169 prog_getstring(prog, OPB->string));
1172 OPC->_float = (OPA->_int == OPB->_int);
1175 OPC->_float = (OPA->function == OPB->function);
1178 OPC->_float = (OPA->_float != OPB->_float);
1181 OPC->_float = ((OPA->vector[0] != OPB->vector[0]) ||
1182 (OPA->vector[1] != OPB->vector[1]) ||
1183 (OPA->vector[2] != OPB->vector[2]) );
1186 OPC->_float = !!strcmp(prog_getstring(prog, OPA->string),
1187 prog_getstring(prog, OPB->string));
1190 OPC->_float = (OPA->_int != OPB->_int);
1193 OPC->_float = (OPA->function != OPB->function);
1197 OPC->_float = (OPA->_float <= OPB->_float);
1200 OPC->_float = (OPA->_float >= OPB->_float);
1203 OPC->_float = (OPA->_float < OPB->_float);
1206 OPC->_float = (OPA->_float > OPB->_float);
1211 case INSTR_LOAD_FLD:
1212 case INSTR_LOAD_ENT:
1213 case INSTR_LOAD_FNC:
1214 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1215 qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename);
1218 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields)) {
1219 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1224 ed = prog_getedict(prog, OPA->edict);
1225 OPC->_int = ((qcany*)( ((qcint*)ed) + OPB->_int ))->_int;
1228 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1229 qcvmerror(prog, "progs `%s` attempted to read an out of bounds entity", prog->filename);
1232 if (OPB->_int < 0 || OPB->_int + 3 > (qcint)prog->entityfields)
1234 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1239 ed = prog_getedict(prog, OPA->edict);
1240 OPC->ivector[0] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[0];
1241 OPC->ivector[1] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[1];
1242 OPC->ivector[2] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[2];
1246 if (OPA->edict < 0 || OPA->edict >= prog->entities) {
1247 qcvmerror(prog, "prog `%s` attempted to address an out of bounds entity %i", prog->filename, OPA->edict);
1250 if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields))
1252 qcvmerror(prog, "prog `%s` attempted to read an invalid field from entity (%i)",
1258 ed = prog_getedict(prog, OPA->edict);
1259 OPC->_int = ((qcint*)ed) - prog->entitydata + OPB->_int;
1264 case INSTR_STORE_ENT:
1265 case INSTR_STORE_FLD:
1266 case INSTR_STORE_FNC:
1267 OPB->_int = OPA->_int;
1270 OPB->ivector[0] = OPA->ivector[0];
1271 OPB->ivector[1] = OPA->ivector[1];
1272 OPB->ivector[2] = OPA->ivector[2];
1275 case INSTR_STOREP_F:
1276 case INSTR_STOREP_S:
1277 case INSTR_STOREP_ENT:
1278 case INSTR_STOREP_FLD:
1279 case INSTR_STOREP_FNC:
1280 if (OPB->_int < 0 || OPB->_int >= (qcint)vec_size(prog->entitydata)) {
1281 qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int);
1284 if (OPB->_int < (qcint)prog->entityfields && !prog->allowworldwrites)
1285 qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n",
1287 prog_getstring(prog, prog_entfield(prog, OPB->_int)->name),
1289 ptr = (qcany*)(prog->entitydata + OPB->_int);
1290 ptr->_int = OPA->_int;
1292 case INSTR_STOREP_V:
1293 if (OPB->_int < 0 || OPB->_int + 2 >= (qcint)vec_size(prog->entitydata)) {
1294 qcvmerror(prog, "`%s` attempted to write to an out of bounds edict (%i)", prog->filename, OPB->_int);
1297 if (OPB->_int < (qcint)prog->entityfields && !prog->allowworldwrites)
1298 qcvmerror(prog, "`%s` tried to assign to world.%s (field %i)\n",
1300 prog_getstring(prog, prog_entfield(prog, OPB->_int)->name),
1302 ptr = (qcany*)(prog->entitydata + OPB->_int);
1303 ptr->ivector[0] = OPA->ivector[0];
1304 ptr->ivector[1] = OPA->ivector[1];
1305 ptr->ivector[2] = OPA->ivector[2];
1309 OPC->_float = !FLOAT_IS_TRUE_FOR_INT(OPA->_int);
1312 OPC->_float = !OPA->vector[0] &&
1317 OPC->_float = !OPA->string ||
1318 !*prog_getstring(prog, OPA->string);
1321 OPC->_float = (OPA->edict == 0);
1324 OPC->_float = !OPA->function;
1328 /* this is consistent with darkplaces' behaviour */
1329 if(FLOAT_IS_TRUE_FOR_INT(OPA->_int))
1331 st += st->o2.s1 - 1; /* offset the s++ */
1332 if (++jumpcount >= maxjumps)
1333 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1337 if(!FLOAT_IS_TRUE_FOR_INT(OPA->_int))
1339 st += st->o2.s1 - 1; /* offset the s++ */
1340 if (++jumpcount >= maxjumps)
1341 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1354 prog->argc = st->opcode - INSTR_CALL0;
1356 qcvmerror(prog, "NULL function in `%s`", prog->filename);
1358 if(!OPA->function || OPA->function >= (qcint)vec_size(prog->functions))
1360 qcvmerror(prog, "CALL outside the program in `%s`", prog->filename);
1364 newf = &prog->functions[OPA->function];
1367 prog->statement = (st - prog->code) + 1;
1369 if (newf->entry < 0)
1371 /* negative statements are built in functions */
1372 qcint builtinnumber = -newf->entry;
1373 if (builtinnumber < (qcint)prog->builtins_count && prog->builtins[builtinnumber])
1374 prog->builtins[builtinnumber](prog);
1376 qcvmerror(prog, "No such builtin #%i in %s! Try updating your gmqcc sources",
1377 builtinnumber, prog->filename);
1380 st = prog->code + prog_enterfunction(prog, newf) - 1; /* offset st++ */
1386 qcvmerror(prog, "`%s` tried to execute a STATE operation", prog->filename);
1390 st += st->o1.s1 - 1; /* offset the s++ */
1391 if (++jumpcount == 10000000)
1392 qcvmerror(prog, "`%s` hit the runaway loop counter limit of %li jumps", prog->filename, jumpcount);
1396 OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) &&
1397 FLOAT_IS_TRUE_FOR_INT(OPB->_int);
1400 OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) ||
1401 FLOAT_IS_TRUE_FOR_INT(OPB->_int);
1405 OPC->_float = ((int)OPA->_float) & ((int)OPB->_float);
1408 OPC->_float = ((int)OPA->_float) | ((int)OPB->_float);
1415 #endif /* !QCVM_LOOP */