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package com.oracle.truffle.llvm.nodes.func;
import com.oracle.truffle.api.CompilerDirectives;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.llvm.runtime.LLVMAddress;
import com.oracle.truffle.llvm.runtime.LLVMException;
import com.oracle.truffle.llvm.runtime.memory.LLVMNativeFunctions;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
public final class LLVMThrowExceptionNode extends LLVMExpressionNode {
@Child private LLVMExpressionNode exceptionInfo;
@Child private LLVMForceLLVMAddressNode exceptionInfoToLLVM;
@Child private LLVMExpressionNode thrownTypeID;
@Child private LLVMForceLLVMAddressNode thrownTypeIDToLLVM;
@Child private LLVMExpressionNode destructor;
@Child private LLVMForceLLVMAddressNode destructorToLLVM;
@Child private LLVMNativeFunctions.SulongThrowNode exceptionInitializaton;
public LLVMThrowExceptionNode(LLVMExpressionNode arg1, LLVMExpressionNode arg2, LLVMExpressionNode arg3) {
this.exceptionInfo = arg1;
this.exceptionInfoToLLVM = getForceLLVMAddressNode();
this.thrownTypeID = arg2;
this.thrownTypeIDToLLVM = getForceLLVMAddressNode();
this.destructor = arg3;
this.destructorToLLVM = getForceLLVMAddressNode();
}
public LLVMNativeFunctions.SulongThrowNode getExceptionInitializaton() {
if (exceptionInitializaton == null) {
CompilerDirectives.transferToInterpreterAndInvalidate();
this.exceptionInitializaton = insert(getContext().getNativeFunctions().createSulongThrow());
}
return exceptionInitializaton;
}
@Override
public Object executeGeneric(VirtualFrame frame) {
LLVMAddress thrownObject = exceptionInfoToLLVM.executeWithTarget(exceptionInfo.executeGeneric(frame));
LLVMAddress thrownType = thrownTypeIDToLLVM.executeWithTarget(thrownTypeID.executeGeneric(frame));
LLVMAddress dest = destructorToLLVM.executeWithTarget(destructor.executeGeneric(frame));
getExceptionInitializaton().throvv(thrownObject, thrownType, dest, LLVMAddress.nullPointer(), LLVMAddress.nullPointer());
throw new LLVMException(thrownObject);
}
}