/[svn]/linuxsampler/trunk/src/scriptvm/tree.cpp
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Diff of /linuxsampler/trunk/src/scriptvm/tree.cpp

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revision 3746 by schoenebeck, Sat Feb 15 11:50:02 2020 UTC revision 3747 by schoenebeck, Sun Feb 16 11:31:46 2020 UTC
# Line 576  FunctionCall::FunctionCall(const char* f Line 576  FunctionCall::FunctionCall(const char* f
576      Unit(      Unit(
577          (fn) ? fn->returnUnitType(dynamic_cast<VMFnArgs*>(&*args)) : VM_NO_UNIT          (fn) ? fn->returnUnitType(dynamic_cast<VMFnArgs*>(&*args)) : VM_NO_UNIT
578      ),      ),
579      functionName(function), args(args), fn(fn), result(NULL)      functionName(function), args(args), fn(fn),
580        result( (fn) ? fn->allocResult(dynamic_cast<VMFnArgs*>(&*args)) : NULL )
581  {  {
582  }  }
583    
584    FunctionCall::~FunctionCall() {
585        if (result) {
586            delete result;
587            result = NULL;
588        }
589    }
590    
591  void FunctionCall::dump(int level) {  void FunctionCall::dump(int level) {
592      printIndents(level);      printIndents(level);
593      printf("FunctionCall '%s' args={\n", functionName.c_str());      printf("FunctionCall '%s' args={\n", functionName.c_str());
# Line 611  bool FunctionCall::isFinal() const { Line 619  bool FunctionCall::isFinal() const {
619    
620  VMFnResult* FunctionCall::execVMFn() {  VMFnResult* FunctionCall::execVMFn() {
621      if (!fn) return NULL;      if (!fn) return NULL;
622    
623        // tell function where it shall dump its return value to
624        VMFnResult* oldRes = fn->boundResult();
625        fn->bindResult(result);
626    
627      // assuming here that all argument checks (amount and types) have been made      // assuming here that all argument checks (amount and types) have been made
628      // at parse time, to avoid time intensive checks on each function call      // at parse time, to avoid time intensive checks on each function call
629      VMFnResult* res = fn->exec(dynamic_cast<VMFnArgs*>(&*args));      VMFnResult* res = fn->exec(dynamic_cast<VMFnArgs*>(&*args));
630    
631        // restore previous result binding of some potential toplevel or concurrent
632        // caller, i.e. if exactly same function is called more than one time,
633        // concurrently in a term by other FunctionCall objects, e.g.:
634        // ~c := ceil( ceil(~a) + ~b)
635        fn->bindResult(oldRes);
636    
637      if (!res) return res;      if (!res) return res;
638    
639      VMExpr* expr = res->resultValue();      VMExpr* expr = res->resultValue();
# Line 636  VMFnResult* FunctionCall::execVMFn() { Line 656  VMFnResult* FunctionCall::execVMFn() {
656  }  }
657    
658  StmtFlags_t FunctionCall::exec() {  StmtFlags_t FunctionCall::exec() {
659      result = execVMFn();      VMFnResult* result = execVMFn();
660      if (!result)      if (!result)
661          return StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED);          return StmtFlags_t(STMT_ABORT_SIGNALLED | STMT_ERROR_OCCURRED);
662      return result->resultFlags();      return result->resultFlags();
663  }  }
664    
665  vmint FunctionCall::evalInt() {  vmint FunctionCall::evalInt() {
666      result = execVMFn();      VMFnResult* result = execVMFn();
667      if (!result) return 0;      if (!result) return 0;
668      VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(result->resultValue());      VMIntExpr* intExpr = dynamic_cast<VMIntExpr*>(result->resultValue());
669      if (!intExpr) return 0;      if (!intExpr) return 0;
# Line 651  vmint FunctionCall::evalInt() { Line 671  vmint FunctionCall::evalInt() {
671  }  }
672    
673  vmfloat FunctionCall::evalReal() {  vmfloat FunctionCall::evalReal() {
674      result = execVMFn();      VMFnResult* result = execVMFn();
675      if (!result) return 0;      if (!result) return 0;
676      VMRealExpr* realExpr = dynamic_cast<VMRealExpr*>(result->resultValue());      VMRealExpr* realExpr = dynamic_cast<VMRealExpr*>(result->resultValue());
677      if (!realExpr) return 0;      if (!realExpr) return 0;
# Line 666  VMIntArrayExpr* FunctionCall::asIntArray Line 686  VMIntArrayExpr* FunctionCall::asIntArray
686      // calls to be evaluated at all. This issue should be addressed cleanly by      // calls to be evaluated at all. This issue should be addressed cleanly by
687      // adjusting the API appropriately.      // adjusting the API appropriately.
688      FunctionCall* rwSelf = const_cast<FunctionCall*>(this);      FunctionCall* rwSelf = const_cast<FunctionCall*>(this);
689      rwSelf->result = rwSelf->execVMFn();      VMFnResult* result = rwSelf->execVMFn();
690    
691      if (!result) return 0;      if (!result) return 0;
692      VMIntArrayExpr* intArrExpr = dynamic_cast<VMIntArrayExpr*>(result->resultValue());      VMIntArrayExpr* intArrExpr = dynamic_cast<VMIntArrayExpr*>(result->resultValue());
# Line 681  VMRealArrayExpr* FunctionCall::asRealArr Line 701  VMRealArrayExpr* FunctionCall::asRealArr
701      // calls to be evaluated at all. This issue should be addressed cleanly by      // calls to be evaluated at all. This issue should be addressed cleanly by
702      // adjusting the API appropriately.      // adjusting the API appropriately.
703      FunctionCall* rwSelf = const_cast<FunctionCall*>(this);      FunctionCall* rwSelf = const_cast<FunctionCall*>(this);
704      rwSelf->result = rwSelf->execVMFn();      VMFnResult* result = rwSelf->execVMFn();
705    
706      if (!result) return 0;      if (!result) return 0;
707      VMRealArrayExpr* realArrExpr = dynamic_cast<VMRealArrayExpr*>(result->resultValue());      VMRealArrayExpr* realArrExpr = dynamic_cast<VMRealArrayExpr*>(result->resultValue());
# Line 689  VMRealArrayExpr* FunctionCall::asRealArr Line 709  VMRealArrayExpr* FunctionCall::asRealArr
709  }  }
710    
711  String FunctionCall::evalStr() {  String FunctionCall::evalStr() {
712      result = execVMFn();      VMFnResult* result = execVMFn();
713      if (!result) return "";      if (!result) return "";
714      VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(result->resultValue());      VMStringExpr* strExpr = dynamic_cast<VMStringExpr*>(result->resultValue());
715      if (!strExpr) return "";      if (!strExpr) return "";
# Line 697  String FunctionCall::evalStr() { Line 717  String FunctionCall::evalStr() {
717  }  }
718    
719  String FunctionCall::evalCastToStr() {  String FunctionCall::evalCastToStr() {
720      result = execVMFn();      VMFnResult* result = execVMFn();
721      if (!result) return "";      if (!result) return "";
722      const ExprType_t resultType = result->resultValue()->exprType();      const ExprType_t resultType = result->resultValue()->exprType();
723      if (resultType == STRING_EXPR) {      if (resultType == STRING_EXPR) {
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