mirror of
https://github.com/DarkPlacesEngine/gmqcc.git
synced 2024-11-24 12:51:04 +00:00
570 lines
16 KiB
C
570 lines
16 KiB
C
#if 0
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/* Expected variables */
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qc_program *prog;
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#endif
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#if !defined(QCVM_PROFILE)
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# define QCVM_PROFILE 0
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#endif
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#if !defined(QCVM_TRACE)
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# define QCVM_TRACE 0
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#endif
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#if !defined(FLOAT_IS_TRUE_FOR_INT)
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# define FLOAT_IS_TRUE_FOR_INT(x) ( (x) & 0x7FFFFFFF )
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#endif
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#if !defined(PRVM_ERROR)
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# define PRVM_ERROR prog->vmerror++, printvmerr
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#endif
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#if !defined(PRVM_NAME)
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# define PRVM_NAME (prog->filename)
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#endif
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#if !defined(PROG_GETSTRING)
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# define PROG_GETSTRING(x) prog_getstring(prog, (x))
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#endif
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#if !defined(PROG_ENTFIELD)
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# define PROG_ENTFIELD(x) prog_entfield(prog, (x))
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#endif
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#if !defined(PROG_GETEDICT)
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# define PROG_GETEDICT(x) prog_getedict(prog, (x))
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#endif
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#if !defined(PROG_ENTERFUNCTION)
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# define PROG_ENTERFUNCTION(x) prog_enterfunction(prog, (x))
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#endif
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#if !defined(PROG_LEAVEFUNCTION)
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# define PROG_LEAVEFUNCTION() prog_leavefunction(prog)
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#endif
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#define OPA ( (qcany*) (prog->globals + st->o1.u1) )
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#define OPB ( (qcany*) (prog->globals + st->o2.u1) )
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#define OPC ( (qcany*) (prog->globals + st->o3.u1) )
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#define GLOBAL(x) ( (qcany*) (prog->globals + (x)) )
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while (1)
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{
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prog_section_function *newf;
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qcany *ed;
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qcany *ptr;
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++st;
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/*
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prog->ip++;
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st = prog->code + prog->ip;
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*/
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#if QCVM_PROFILE
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prog->profile[st - prog->code]++;
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#endif
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#if QCVM_TRACE
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prog_print_statement(prog, st);
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#endif
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switch (st->opcode)
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{
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case INSTR_ADD_F:
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OPC->_float = OPA->_float + OPB->_float;
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break;
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case INSTR_ADD_V:
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OPC->vector[0] = OPA->vector[0] + OPB->vector[0];
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OPC->vector[1] = OPA->vector[1] + OPB->vector[1];
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OPC->vector[2] = OPA->vector[2] + OPB->vector[2];
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break;
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case INSTR_SUB_F:
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OPC->_float = OPA->_float - OPB->_float;
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break;
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case INSTR_SUB_V:
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OPC->vector[0] = OPA->vector[0] - OPB->vector[0];
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OPC->vector[1] = OPA->vector[1] - OPB->vector[1];
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OPC->vector[2] = OPA->vector[2] - OPB->vector[2];
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break;
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case INSTR_MUL_F:
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OPC->_float = OPA->_float * OPB->_float;
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break;
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case INSTR_MUL_V:
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OPC->_float = OPA->vector[0]*OPB->vector[0] + OPA->vector[1]*OPB->vector[1] + OPA->vector[2]*OPB->vector[2];
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break;
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case INSTR_MUL_FV:
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OPC->vector[0] = OPA->_float * OPB->vector[0];
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OPC->vector[1] = OPA->_float * OPB->vector[1];
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OPC->vector[2] = OPA->_float * OPB->vector[2];
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break;
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case INSTR_MUL_VF:
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OPC->vector[0] = OPB->_float * OPA->vector[0];
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OPC->vector[1] = OPB->_float * OPA->vector[1];
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OPC->vector[2] = OPB->_float * OPA->vector[2];
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break;
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case INSTR_DIV_F:
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if( OPB->_float != 0.0f )
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{
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OPC->_float = OPA->_float / OPB->_float;
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}
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else
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{
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OPC->_float = 0.0f;
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}
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break;
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case INSTR_BITAND:
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OPC->_float = (int)OPA->_float & (int)OPB->_float;
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break;
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case INSTR_BITOR:
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OPC->_float = (int)OPA->_float | (int)OPB->_float;
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break;
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case INSTR_GE:
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OPC->_float = OPA->_float >= OPB->_float;
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break;
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case INSTR_LE:
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OPC->_float = OPA->_float <= OPB->_float;
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break;
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case INSTR_GT:
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OPC->_float = OPA->_float > OPB->_float;
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break;
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case INSTR_LT:
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OPC->_float = OPA->_float < OPB->_float;
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break;
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case INSTR_AND:
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/* TODO change this back to float, and add AND_I to be used by fteqcc for anything not a float */
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OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) && FLOAT_IS_TRUE_FOR_INT(OPB->_int);
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break;
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case INSTR_OR:
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/* TODO change this back to float, and add AND_I to be used by fteqcc for anything not a float */
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OPC->_float = FLOAT_IS_TRUE_FOR_INT(OPA->_int) || FLOAT_IS_TRUE_FOR_INT(OPB->_int);
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break;
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case INSTR_NOT_F:
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OPC->_float = !FLOAT_IS_TRUE_FOR_INT(OPA->_int);
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break;
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case INSTR_NOT_V:
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OPC->_float = !OPA->vector[0] && !OPA->vector[1] && !OPA->vector[2];
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break;
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case INSTR_NOT_S:
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OPC->_float = !OPA->string || !*PROG_GETSTRING(OPA->string);
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break;
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case INSTR_NOT_FNC:
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OPC->_float = !OPA->function;
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break;
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case INSTR_NOT_ENT:
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OPC->_float = (OPA->edict == 0);
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break;
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case INSTR_EQ_F:
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OPC->_float = OPA->_float == OPB->_float;
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break;
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case INSTR_EQ_V:
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OPC->_float = (OPA->vector[0] == OPB->vector[0]) &&
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(OPA->vector[1] == OPB->vector[1]) &&
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(OPA->vector[2] == OPB->vector[2]);
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break;
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case INSTR_EQ_S:
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OPC->_float = !strcmp(PROG_GETSTRING(OPA->string),PROG_GETSTRING(OPB->string));
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break;
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case INSTR_EQ_E:
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OPC->_float = OPA->_int == OPB->_int;
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break;
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case INSTR_EQ_FNC:
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OPC->_float = OPA->function == OPB->function;
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break;
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case INSTR_NE_F:
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OPC->_float = OPA->_float != OPB->_float;
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break;
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case INSTR_NE_V:
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OPC->_float = (OPA->vector[0] != OPB->vector[0]) || (OPA->vector[1] != OPB->vector[1]) || (OPA->vector[2] != OPB->vector[2]);
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break;
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case INSTR_NE_S:
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OPC->_float = strcmp(PROG_GETSTRING(OPA->string),PROG_GETSTRING(OPB->string));
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break;
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case INSTR_NE_E:
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OPC->_float = OPA->_int != OPB->_int;
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break;
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case INSTR_NE_FNC:
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OPC->_float = OPA->function != OPB->function;
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break;
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/*==================*/
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case INSTR_STORE_F:
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case INSTR_STORE_ENT:
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case INSTR_STORE_FLD:
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case INSTR_STORE_S:
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case INSTR_STORE_FNC:
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OPB->_int = OPA->_int;
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break;
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case INSTR_STORE_V:
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OPB->ivector[0] = OPA->ivector[0];
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OPB->ivector[1] = OPA->ivector[1];
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OPB->ivector[2] = OPA->ivector[2];
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break;
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case INSTR_STOREP_F:
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case INSTR_STOREP_ENT:
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case INSTR_STOREP_FLD:
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case INSTR_STOREP_S:
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case INSTR_STOREP_FNC:
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if (OPB->_int < 0 || OPB->_int >= prog->entitydata_count)
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{
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PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)", PRVM_NAME, OPB->_int);
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goto cleanup;
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}
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if (OPB->_int < prog->entityfields && !prog->allowworldwrites)
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PRVM_ERROR("ERROR: assignment to world.%s (field %i) in %s\n", PROG_GETSTRING(PROG_ENTFIELD(OPB->_int)->name), OPB->_int, PRVM_NAME);
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ptr = (qcany*)(prog->entitydata + OPB->_int);
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ptr->_int = OPA->_int;
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break;
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case INSTR_STOREP_V:
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if (OPB->_int < 0 || OPB->_int + 3 >= prog->entitydata_count)
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{
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PRVM_ERROR("%s attempted to write to an out of bounds edict (%i)", PRVM_NAME, OPB->_int);
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goto cleanup;
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}
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if (OPB->_int < prog->entityfields && !prog->allowworldwrites)
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PRVM_ERROR("ERROR: assignment to world.%s (field %i) in %s\n", PROG_GETSTRING(PROG_ENTFIELD(OPB->_int)->name), OPB->_int, PRVM_NAME);
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ptr = (qcany*)(prog->entitydata + OPB->_int);
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ptr->ivector[0] = OPA->ivector[0];
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ptr->ivector[1] = OPA->ivector[1];
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ptr->ivector[2] = OPA->ivector[2];
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break;
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case INSTR_ADDRESS:
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if (OPA->edict < 0 || OPA->edict >= prog->entities)
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{
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PRVM_ERROR ("%s Progs attempted to address an out of bounds edict number", PRVM_NAME);
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goto cleanup;
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}
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if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields))
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{
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PRVM_ERROR("%s attempted to address an invalid field (%i) in an edict", PRVM_NAME, OPB->_int);
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goto cleanup;
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}
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ed = PROG_GETEDICT(OPA->edict);
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OPC->_int = ((qcint*)ed) - prog->entitydata;
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OPC->_int += OPB->_int;
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break;
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case INSTR_LOAD_F:
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case INSTR_LOAD_FLD:
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case INSTR_LOAD_ENT:
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case INSTR_LOAD_S:
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case INSTR_LOAD_FNC:
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if (OPA->edict < 0 || OPA->edict >= prog->entities)
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{
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PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
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goto cleanup;
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}
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if ((unsigned int)(OPB->_int) >= (unsigned int)(prog->entityfields))
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{
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PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)", PRVM_NAME, OPB->_int);
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goto cleanup;
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}
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ed = PROG_GETEDICT(OPA->edict);
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OPC->_int = ((qcany*)( ((qcint*)ed) + OPB->_int ))->_int;
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break;
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case INSTR_LOAD_V:
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if (OPA->edict < 0 || OPA->edict >= prog->entities)
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{
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PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
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goto cleanup;
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}
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if (OPB->_int < 0 || OPB->_int + 3 >= prog->entityfields)
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{
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PRVM_ERROR("%s attempted to read an invalid field in an edict (%i)", PRVM_NAME, OPB->_int);
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goto cleanup;
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}
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ed = PROG_GETEDICT(OPA->edict);
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OPC->ivector[0] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[0];
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OPC->ivector[1] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[1];
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OPC->ivector[2] = ((qcany*)( ((qcint*)ed) + OPB->_int ))->ivector[2];
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break;
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/*==================*/
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case INSTR_IFNOT:
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if(!FLOAT_IS_TRUE_FOR_INT(OPA->_int))
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/* TODO add an "int-if", and change this one to OPA->_float
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although mostly unneeded, thanks to the only float being false being 0x0 and 0x80000000 (negative zero)
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and entity, string, field values can never have that value
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*/
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{
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st += st->o2.s1 - 1; /* offset the s++ */
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if (++jumpcount >= maxjumps)
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{
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PRVM_ERROR("%s runaway loop counter hit limit of %li jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
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}
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}
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break;
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case INSTR_IF:
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if(FLOAT_IS_TRUE_FOR_INT(OPA->_int))
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{
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st += st->o2.s1 - 1; /* offset the s++ */
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/* no bounds check needed, it is done when loading progs */
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if (++jumpcount >= maxjumps)
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{
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PRVM_ERROR("%s runaway loop counter hit limit of %li jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
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}
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}
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break;
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case INSTR_GOTO:
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st += st->o1.s1 - 1; /* offset the s++ */
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/* no bounds check needed, it is done when loading progs */
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if (++jumpcount == 10000000)
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{
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PRVM_ERROR("%s runaway loop counter hit limit of %li jumps\ntip: read above for list of most-executed functions", PRVM_NAME, jumpcount);
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}
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break;
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case INSTR_CALL0:
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case INSTR_CALL1:
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case INSTR_CALL2:
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case INSTR_CALL3:
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case INSTR_CALL4:
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case INSTR_CALL5:
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case INSTR_CALL6:
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case INSTR_CALL7:
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case INSTR_CALL8:
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prog->argc = st->opcode - INSTR_CALL0;
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if (!OPA->function)
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PRVM_ERROR("NULL function in %s", PRVM_NAME);
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if(!OPA->function || OPA->function >= (unsigned int)prog->functions_count)
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{
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PRVM_ERROR("%s CALL outside the program", PRVM_NAME);
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goto cleanup;
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}
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newf = &prog->functions[OPA->function];
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newf->profile++;
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prog->statement = (st - prog->code) + 1;
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if (newf->entry < 0)
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{
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/* negative statements are built in functions */
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int builtinnumber = -newf->entry;
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if (builtinnumber < prog->builtins_count && prog->builtins[builtinnumber])
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{
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prog->builtins[builtinnumber](prog);
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}
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else
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PRVM_ERROR("No such builtin #%i in %s; most likely cause: outdated engine build. Try updating!", builtinnumber, PRVM_NAME);
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}
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else
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st = prog->code + PROG_ENTERFUNCTION(newf);
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if (prog->vmerror)
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goto cleanup;
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break;
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case INSTR_DONE:
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case INSTR_RETURN:
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/* add instruction count to function profile count */
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GLOBAL(OFS_RETURN)->ivector[0] = OPA->ivector[0];
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GLOBAL(OFS_RETURN)->ivector[1] = OPA->ivector[1];
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GLOBAL(OFS_RETURN)->ivector[2] = OPA->ivector[2];
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st = prog->code + PROG_LEAVEFUNCTION();
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if (!prog->stack_count)
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goto cleanup;
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break;
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case INSTR_STATE:
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break;
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/* LordHavoc: to be enabled when Progs version 7 (or whatever it will be numbered) is finalized */
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/*
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case INSTR_ADD_I:
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OPC->_int = OPA->_int + OPB->_int;
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break;
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case INSTR_ADD_IF:
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OPC->_int = OPA->_int + (int) OPB->_float;
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break;
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case INSTR_ADD_FI:
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OPC->_float = OPA->_float + (float) OPB->_int;
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break;
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case INSTR_SUB_I:
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OPC->_int = OPA->_int - OPB->_int;
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break;
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case INSTR_SUB_IF:
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OPC->_int = OPA->_int - (int) OPB->_float;
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break;
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case INSTR_SUB_FI:
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OPC->_float = OPA->_float - (float) OPB->_int;
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break;
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case INSTR_MUL_I:
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OPC->_int = OPA->_int * OPB->_int;
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break;
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case INSTR_MUL_IF:
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OPC->_int = OPA->_int * (int) OPB->_float;
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break;
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case INSTR_MUL_FI:
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OPC->_float = OPA->_float * (float) OPB->_int;
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break;
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case INSTR_MUL_VI:
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OPC->vector[0] = (float) OPB->_int * OPA->vector[0];
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OPC->vector[1] = (float) OPB->_int * OPA->vector[1];
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OPC->vector[2] = (float) OPB->_int * OPA->vector[2];
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break;
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case INSTR_DIV_VF:
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{
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float temp = 1.0f / OPB->_float;
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OPC->vector[0] = temp * OPA->vector[0];
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OPC->vector[1] = temp * OPA->vector[1];
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OPC->vector[2] = temp * OPA->vector[2];
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}
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break;
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case INSTR_DIV_I:
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OPC->_int = OPA->_int / OPB->_int;
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break;
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case INSTR_DIV_IF:
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OPC->_int = OPA->_int / (int) OPB->_float;
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break;
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case INSTR_DIV_FI:
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OPC->_float = OPA->_float / (float) OPB->_int;
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break;
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case INSTR_CONV_IF:
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OPC->_float = OPA->_int;
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break;
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case INSTR_CONV_FI:
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OPC->_int = OPA->_float;
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break;
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case INSTR_BITAND_I:
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OPC->_int = OPA->_int & OPB->_int;
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break;
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case INSTR_BITOR_I:
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OPC->_int = OPA->_int | OPB->_int;
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break;
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case INSTR_BITAND_IF:
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OPC->_int = OPA->_int & (int)OPB->_float;
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break;
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case INSTR_BITOR_IF:
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OPC->_int = OPA->_int | (int)OPB->_float;
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break;
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case INSTR_BITAND_FI:
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OPC->_float = (int)OPA->_float & OPB->_int;
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break;
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case INSTR_BITOR_FI:
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OPC->_float = (int)OPA->_float | OPB->_int;
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break;
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case INSTR_GE_I:
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OPC->_float = OPA->_int >= OPB->_int;
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break;
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case INSTR_LE_I:
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OPC->_float = OPA->_int <= OPB->_int;
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break;
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case INSTR_GT_I:
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OPC->_float = OPA->_int > OPB->_int;
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|
break;
|
|
case INSTR_LT_I:
|
|
OPC->_float = OPA->_int < OPB->_int;
|
|
break;
|
|
case INSTR_AND_I:
|
|
OPC->_float = OPA->_int && OPB->_int;
|
|
break;
|
|
case INSTR_OR_I:
|
|
OPC->_float = OPA->_int || OPB->_int;
|
|
break;
|
|
case INSTR_GE_IF:
|
|
OPC->_float = (float)OPA->_int >= OPB->_float;
|
|
break;
|
|
case INSTR_LE_IF:
|
|
OPC->_float = (float)OPA->_int <= OPB->_float;
|
|
break;
|
|
case INSTR_GT_IF:
|
|
OPC->_float = (float)OPA->_int > OPB->_float;
|
|
break;
|
|
case INSTR_LT_IF:
|
|
OPC->_float = (float)OPA->_int < OPB->_float;
|
|
break;
|
|
case INSTR_AND_IF:
|
|
OPC->_float = (float)OPA->_int && OPB->_float;
|
|
break;
|
|
case INSTR_OR_IF:
|
|
OPC->_float = (float)OPA->_int || OPB->_float;
|
|
break;
|
|
case INSTR_GE_FI:
|
|
OPC->_float = OPA->_float >= (float)OPB->_int;
|
|
break;
|
|
case INSTR_LE_FI:
|
|
OPC->_float = OPA->_float <= (float)OPB->_int;
|
|
break;
|
|
case INSTR_GT_FI:
|
|
OPC->_float = OPA->_float > (float)OPB->_int;
|
|
break;
|
|
case INSTR_LT_FI:
|
|
OPC->_float = OPA->_float < (float)OPB->_int;
|
|
break;
|
|
case INSTR_AND_FI:
|
|
OPC->_float = OPA->_float && (float)OPB->_int;
|
|
break;
|
|
case INSTR_OR_FI:
|
|
OPC->_float = OPA->_float || (float)OPB->_int;
|
|
break;
|
|
case INSTR_NOT_I:
|
|
OPC->_float = !OPA->_int;
|
|
break;
|
|
case INSTR_EQ_I:
|
|
OPC->_float = OPA->_int == OPB->_int;
|
|
break;
|
|
case INSTR_EQ_IF:
|
|
OPC->_float = (float)OPA->_int == OPB->_float;
|
|
break;
|
|
case INSTR_EQ_FI:
|
|
OPC->_float = OPA->_float == (float)OPB->_int;
|
|
break;
|
|
case INSTR_NE_I:
|
|
OPC->_float = OPA->_int != OPB->_int;
|
|
break;
|
|
case INSTR_NE_IF:
|
|
OPC->_float = (float)OPA->_int != OPB->_float;
|
|
break;
|
|
case INSTR_NE_FI:
|
|
OPC->_float = OPA->_float != (float)OPB->_int;
|
|
break;
|
|
case INSTR_STORE_I:
|
|
OPB->_int = OPA->_int;
|
|
break;
|
|
case INSTR_STOREP_I:
|
|
#if PRBOUNDSCHECK
|
|
if (OPB->_int < 0 || OPB->_int + 4 > pr_edictareasize)
|
|
{
|
|
PRVM_ERROR ("%s Progs attempted to write to an out of bounds edict", PRVM_NAME);
|
|
goto cleanup;
|
|
}
|
|
#endif
|
|
ptr = (prvm_eval_t *)(prog->edictsfields + OPB->_int);
|
|
ptr->_int = OPA->_int;
|
|
break;
|
|
case INSTR_LOAD_I:
|
|
#if PRBOUNDSCHECK
|
|
if (OPA->edict < 0 || OPA->edict >= prog->max_edicts)
|
|
{
|
|
PRVM_ERROR ("%s Progs attempted to read an out of bounds edict number", PRVM_NAME);
|
|
goto cleanup;
|
|
}
|
|
if (OPB->_int < 0 || OPB->_int >= progs->entityfields)
|
|
{
|
|
PRVM_ERROR ("%s Progs attempted to read an invalid field in an edict", PRVM_NAME);
|
|
goto cleanup;
|
|
}
|
|
#endif
|
|
ed = PRVM_PROG_TO_EDICT(OPA->edict);
|
|
OPC->_int = ((prvm_eval_t *)((int *)ed->v + OPB->_int))->_int;
|
|
break;
|
|
}
|
|
*/
|
|
|
|
default:
|
|
PRVM_ERROR("Illegal instruction in %s\n", PRVM_NAME);
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
#undef QCVM_PROFILE
|
|
#undef QCVM_TRACE
|