Examples with BytecodeClassinfoConstant de.mirkosertic.bytecoder.core.BytecodeClassinfoConstant used on opensource projects

Example 1 with BytecodeClassinfoConstant

use of de.mirkosertic.bytecoder.core.BytecodeClassinfoConstant in project Bytecoder by mirkosertic.

the class NaiveProgramGenerator method initializeBlockWith.

private void initializeBlockWith(BytecodeClass aOwningClass, BytecodeMethod aMethod, RegionNode aTargetBlock, Function<BytecodeOpcodeAddress, BytecodeBasicBlock> aBlocksByAddress, ParsingHelper aHelper) {
    // Finally we can start to parse the program
    BytecodeBasicBlock theBytecodeBlock = aBlocksByAddress.apply(aTargetBlock.getStartAddress());
    for (BytecodeInstruction theInstruction : theBytecodeBlock.getInstructions()) {
        if (theInstruction instanceof BytecodeInstructionNOP) {
            BytecodeInstructionNOP theINS = (BytecodeInstructionNOP) theInstruction;
        // Completely ignored
        } else if (theInstruction instanceof BytecodeInstructionMONITORENTER) {
            BytecodeInstructionMONITORENTER theINS = (BytecodeInstructionMONITORENTER) theInstruction;
            // Pop the reference for the lock from the stack
            aHelper.pop();
        // Completely ignored
        } else if (theInstruction instanceof BytecodeInstructionMONITOREXIT) {
            BytecodeInstructionMONITOREXIT theINS = (BytecodeInstructionMONITOREXIT) theInstruction;
            // Pop the reference for the lock from the stack
            aHelper.pop();
        // Completely ignored
        } else if (theInstruction instanceof BytecodeInstructionCHECKCAST) {
            BytecodeInstructionCHECKCAST theINS = (BytecodeInstructionCHECKCAST) theInstruction;
            Value theValue = aHelper.peek();
            aTargetBlock.getExpressions().add(new CheckCastExpression(theValue, theINS.getTypeCheck()));
        } else if (theInstruction instanceof BytecodeInstructionPOP) {
            BytecodeInstructionPOP theINS = (BytecodeInstructionPOP) theInstruction;
            aHelper.pop();
        } else if (theInstruction instanceof BytecodeInstructionPOP2) {
            BytecodeInstructionPOP2 theINS = (BytecodeInstructionPOP2) theInstruction;
            Value theValue = aHelper.pop();
            switch(theValue.resolveType().resolve()) {
                case LONG:
                    break;
                case DOUBLE:
                    break;
                default:
                    aHelper.pop();
            }
        } else if (theInstruction instanceof BytecodeInstructionDUP) {
            BytecodeInstructionDUP theINS = (BytecodeInstructionDUP) theInstruction;
            Value theValue = aHelper.peek();
            aHelper.push(theValue);
        } else if (theInstruction instanceof BytecodeInstructionDUP2) {
            BytecodeInstructionDUP2 theINS = (BytecodeInstructionDUP2) theInstruction;
            Value theValue1 = aHelper.pop();
            if (theValue1.resolveType().resolve() == TypeRef.Native.LONG || theValue1.resolveType().resolve() == TypeRef.Native.DOUBLE) {
                // Category 2
                aHelper.push(theValue1);
                aHelper.push(theValue1);
            } else {
                // Category 1
                Value theValue2 = aHelper.pop();
                aHelper.push(theValue2);
                aHelper.push(theValue1);
                aHelper.push(theValue2);
                aHelper.push(theValue1);
            }
        } else if (theInstruction instanceof BytecodeInstructionDUP2X1) {
            BytecodeInstructionDUP2X1 theINS = (BytecodeInstructionDUP2X1) theInstruction;
            Value theValue1 = aHelper.pop();
            if (theValue1.resolveType().resolve() == TypeRef.Native.LONG || theValue1.resolveType().resolve() == TypeRef.Native.DOUBLE) {
                Value theValue2 = aHelper.pop();
                aHelper.push(theValue1);
                aHelper.push(theValue2);
                aHelper.push(theValue2);
            } else {
                Value theValue2 = aHelper.pop();
                Value theValue3 = aHelper.pop();
                aHelper.push(theValue2);
                aHelper.push(theValue1);
                aHelper.push(theValue3);
                aHelper.push(theValue2);
                aHelper.push(theValue2);
            }
        } else if (theInstruction instanceof BytecodeInstructionDUPX1) {
            BytecodeInstructionDUPX1 theINS = (BytecodeInstructionDUPX1) theInstruction;
            Value theValue1 = aHelper.pop();
            Value theValue2 = aHelper.pop();
            aHelper.push(theValue1);
            aHelper.push(theValue2);
            aHelper.push(theValue1);
        } else if (theInstruction instanceof BytecodeInstructionDUPX2) {
            BytecodeInstructionDUPX2 theINS = (BytecodeInstructionDUPX2) theInstruction;
            Value theValue1 = aHelper.pop();
            Value theValue2 = aHelper.pop();
            if (theValue2.resolveType().resolve() == TypeRef.Native.LONG || theValue2.resolveType().resolve() == TypeRef.Native.DOUBLE) {
                // Form 2
                aHelper.push(theValue1);
                aHelper.push(theValue2);
                aHelper.push(theValue1);
            } else {
                // Form 1
                Value theValue3 = aHelper.pop();
                aHelper.push(theValue1);
                aHelper.push(theValue3);
                aHelper.push(theValue2);
                aHelper.push(theValue1);
            }
        } else if (theInstruction instanceof BytecodeInstructionGETSTATIC) {
            BytecodeInstructionGETSTATIC theINS = (BytecodeInstructionGETSTATIC) theInstruction;
            GetStaticExpression theValue = new GetStaticExpression(theINS.getConstant());
            Variable theVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getConstant().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().fieldType()), theValue);
            aHelper.push(theVariable);
        } else if (theInstruction instanceof BytecodeInstructionASTORE) {
            BytecodeInstructionASTORE theINS = (BytecodeInstructionASTORE) theInstruction;
            Value theValue = aHelper.pop();
            aHelper.setLocalVariable(theInstruction.getOpcodeAddress(), theINS.getVariableIndex(), theValue);
        } else if (theInstruction instanceof BytecodeInstructionGenericSTORE) {
            BytecodeInstructionGenericSTORE theINS = (BytecodeInstructionGenericSTORE) theInstruction;
            Value theValue = aHelper.pop();
            Variable theOtherVariable = aTargetBlock.newVariable(theValue.resolveType().resolve(), theValue);
            aHelper.setLocalVariable(theInstruction.getOpcodeAddress(), theINS.getVariableIndex(), theOtherVariable);
        } else if (theInstruction instanceof BytecodeInstructionObjectArrayLOAD) {
            BytecodeInstructionObjectArrayLOAD theINS = (BytecodeInstructionObjectArrayLOAD) theInstruction;
            Value theIndex = aHelper.pop();
            Value theTarget = aHelper.pop();
            TypeRef theType = theTarget.resolveType();
            if (theType instanceof TypeRef.ArrayTypeRef) {
                TypeRef.ArrayTypeRef theArrayTypeRef = (TypeRef.ArrayTypeRef) theTarget.resolveType();
                Variable theVariable = aTargetBlock.newVariable(TypeRef.toType(theArrayTypeRef.arrayType()), new ArrayEntryExpression(TypeRef.Native.REFERENCE, theTarget, theIndex));
                aHelper.push(theVariable);
            } else {
                Variable theVariable = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, new ArrayEntryExpression(TypeRef.Native.REFERENCE, theTarget, theIndex));
                aHelper.push(theVariable);
            }
        } else if (theInstruction instanceof BytecodeInstructionGenericArrayLOAD) {
            BytecodeInstructionGenericArrayLOAD theINS = (BytecodeInstructionGenericArrayLOAD) theInstruction;
            Value theIndex = aHelper.pop();
            Value theTarget = aHelper.pop();
            Variable theVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new ArrayEntryExpression(TypeRef.toType(theINS.getType()), theTarget, theIndex));
            aHelper.push(theVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericArraySTORE) {
            BytecodeInstructionGenericArraySTORE theINS = (BytecodeInstructionGenericArraySTORE) theInstruction;
            Value theValue = aHelper.pop();
            Value theIndex = aHelper.pop();
            Value theTarget = aHelper.pop();
            aTargetBlock.getExpressions().add(new ArrayStoreExpression(TypeRef.toType(theINS.getType()), theTarget, theIndex, theValue));
        } else if (theInstruction instanceof BytecodeInstructionObjectArraySTORE) {
            BytecodeInstructionObjectArraySTORE theINS = (BytecodeInstructionObjectArraySTORE) theInstruction;
            Value theValue = aHelper.pop();
            Value theIndex = aHelper.pop();
            Value theTarget = aHelper.pop();
            aTargetBlock.getExpressions().add(new ArrayStoreExpression(TypeRef.Native.REFERENCE, theTarget, theIndex, theValue));
        } else if (theInstruction instanceof BytecodeInstructionACONSTNULL) {
            BytecodeInstructionACONSTNULL theINS = (BytecodeInstructionACONSTNULL) theInstruction;
            aHelper.push(new NullValue());
        } else if (theInstruction instanceof BytecodeInstructionPUTFIELD) {
            BytecodeInstructionPUTFIELD theINS = (BytecodeInstructionPUTFIELD) theInstruction;
            Value theValue = aHelper.pop();
            Value theTarget = aHelper.pop();
            aTargetBlock.getExpressions().add(new PutFieldExpression(theINS.getFieldRefConstant(), theTarget, theValue));
        } else if (theInstruction instanceof BytecodeInstructionGETFIELD) {
            BytecodeInstructionGETFIELD theINS = (BytecodeInstructionGETFIELD) theInstruction;
            Value theTarget = aHelper.pop();
            Variable theVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getFieldRefConstant().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().fieldType()), new GetFieldExpression(theINS.getFieldRefConstant(), theTarget));
            aHelper.push(theVariable);
        } else if (theInstruction instanceof BytecodeInstructionPUTSTATIC) {
            BytecodeInstructionPUTSTATIC theINS = (BytecodeInstructionPUTSTATIC) theInstruction;
            Value theValue = aHelper.pop();
            aTargetBlock.getExpressions().add(new PutStaticExpression(theINS.getConstant(), theValue));
        } else if (theInstruction instanceof BytecodeInstructionGenericLDC) {
            BytecodeInstructionGenericLDC theINS = (BytecodeInstructionGenericLDC) theInstruction;
            BytecodeConstant theConstant = theINS.constant();
            if (theConstant instanceof BytecodeDoubleConstant) {
                BytecodeDoubleConstant theC = (BytecodeDoubleConstant) theConstant;
                aHelper.push(new DoubleValue(theC.getDoubleValue()));
            } else if (theConstant instanceof BytecodeLongConstant) {
                BytecodeLongConstant theC = (BytecodeLongConstant) theConstant;
                aHelper.push(new LongValue(theC.getLongValue()));
            } else if (theConstant instanceof BytecodeFloatConstant) {
                BytecodeFloatConstant theC = (BytecodeFloatConstant) theConstant;
                aHelper.push(new FloatValue(theC.getFloatValue()));
            } else if (theConstant instanceof BytecodeIntegerConstant) {
                BytecodeIntegerConstant theC = (BytecodeIntegerConstant) theConstant;
                aHelper.push(new IntegerValue(theC.getIntegerValue()));
            } else if (theConstant instanceof BytecodeStringConstant) {
                BytecodeStringConstant theC = (BytecodeStringConstant) theConstant;
                Variable theVariable = aTargetBlock.newVariable(TypeRef.toType(BytecodeObjectTypeRef.fromRuntimeClass(String.class)), new StringValue(theC.getValue().stringValue()));
                aHelper.push(theVariable);
            } else if (theConstant instanceof BytecodeClassinfoConstant) {
                BytecodeClassinfoConstant theC = (BytecodeClassinfoConstant) theConstant;
                BytecodeUtf8Constant theUTF8 = theC.getConstant();
                if (theUTF8.stringValue().startsWith("[")) {
                    aHelper.push(new ClassReferenceValue(BytecodeObjectTypeRef.fromRuntimeClass(Array.class)));
                } else {
                    aHelper.push(new ClassReferenceValue(BytecodeObjectTypeRef.fromUtf8Constant(theC.getConstant())));
                }
            } else {
                throw new IllegalArgumentException("Unsupported constant type : " + theConstant);
            }
        } else if (theInstruction instanceof BytecodeInstructionBIPUSH) {
            BytecodeInstructionBIPUSH theINS = (BytecodeInstructionBIPUSH) theInstruction;
            aHelper.push(new IntegerValue(theINS.getByteValue()));
        } else if (theInstruction instanceof BytecodeInstructionSIPUSH) {
            BytecodeInstructionSIPUSH theINS = (BytecodeInstructionSIPUSH) theInstruction;
            aHelper.push(new IntegerValue(theINS.getShortValue()));
        } else if (theInstruction instanceof BytecodeInstructionICONST) {
            BytecodeInstructionICONST theINS = (BytecodeInstructionICONST) theInstruction;
            aHelper.push(new IntegerValue(theINS.getIntConst()));
        } else if (theInstruction instanceof BytecodeInstructionFCONST) {
            BytecodeInstructionFCONST theINS = (BytecodeInstructionFCONST) theInstruction;
            aHelper.push(new FloatValue(theINS.getFloatValue()));
        } else if (theInstruction instanceof BytecodeInstructionDCONST) {
            BytecodeInstructionDCONST theINS = (BytecodeInstructionDCONST) theInstruction;
            aHelper.push(new DoubleValue(theINS.getDoubleConst()));
        } else if (theInstruction instanceof BytecodeInstructionLCONST) {
            BytecodeInstructionLCONST theINS = (BytecodeInstructionLCONST) theInstruction;
            aHelper.push(new LongValue(theINS.getLongConst()));
        } else if (theInstruction instanceof BytecodeInstructionGenericNEG) {
            BytecodeInstructionGenericNEG theINS = (BytecodeInstructionGenericNEG) theInstruction;
            Value theValue = aHelper.pop();
            Variable theNegatedValue = aTargetBlock.newVariable(theValue.resolveType(), new NegatedExpression(theValue));
            aHelper.push(theNegatedValue);
        } else if (theInstruction instanceof BytecodeInstructionARRAYLENGTH) {
            BytecodeInstructionARRAYLENGTH theINS = (BytecodeInstructionARRAYLENGTH) theInstruction;
            Value theValue = aHelper.pop();
            Variable theNegatedValue = aTargetBlock.newVariable(TypeRef.Native.INT, new ArrayLengthExpression(theValue));
            aHelper.push(theNegatedValue);
        } else if (theInstruction instanceof BytecodeInstructionGenericLOAD) {
            BytecodeInstructionGenericLOAD theINS = (BytecodeInstructionGenericLOAD) theInstruction;
            Value theValue = aHelper.getLocalVariable(theINS.getVariableIndex());
            aHelper.push(theValue);
        } else if (theInstruction instanceof BytecodeInstructionALOAD) {
            BytecodeInstructionALOAD theINS = (BytecodeInstructionALOAD) theInstruction;
            Value theValue = aHelper.getLocalVariable(theINS.getVariableIndex());
            aHelper.push(theValue);
        } else if (theInstruction instanceof BytecodeInstructionGenericCMP) {
            BytecodeInstructionGenericCMP theINS = (BytecodeInstructionGenericCMP) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, new CompareExpression(theValue1, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionLCMP) {
            BytecodeInstructionLCMP theINS = (BytecodeInstructionLCMP) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, new CompareExpression(theValue1, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionIINC) {
            BytecodeInstructionIINC theINS = (BytecodeInstructionIINC) theInstruction;
            Value theValueToIncrement = aHelper.getLocalVariable(theINS.getIndex());
            Value theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, new BinaryExpression(TypeRef.Native.INT, theValueToIncrement, BinaryExpression.Operator.ADD, new IntegerValue(theINS.getConstant())));
            aHelper.setLocalVariable(theInstruction.getOpcodeAddress(), theINS.getIndex(), theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericREM) {
            BytecodeInstructionGenericREM theINS = (BytecodeInstructionGenericREM) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.REMAINDER, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericADD) {
            BytecodeInstructionGenericADD theINS = (BytecodeInstructionGenericADD) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.ADD, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericDIV) {
            BytecodeInstructionGenericDIV theINS = (BytecodeInstructionGenericDIV) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable;
            Value theDivValue = new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.DIV, theValue2);
            switch(theINS.getType()) {
                case FLOAT:
                    theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), theDivValue);
                    break;
                case DOUBLE:
                    theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), theDivValue);
                    break;
                default:
                    theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new FloorExpression(theDivValue, TypeRef.toType(theINS.getType())));
                    break;
            }
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericMUL) {
            BytecodeInstructionGenericMUL theINS = (BytecodeInstructionGenericMUL) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.MUL, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericSUB) {
            BytecodeInstructionGenericSUB theINS = (BytecodeInstructionGenericSUB) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.SUB, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericXOR) {
            BytecodeInstructionGenericXOR theINS = (BytecodeInstructionGenericXOR) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.BINARYXOR, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericOR) {
            BytecodeInstructionGenericOR theINS = (BytecodeInstructionGenericOR) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.BINARYOR, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericAND) {
            BytecodeInstructionGenericAND theINS = (BytecodeInstructionGenericAND) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.BINARYAND, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericSHL) {
            BytecodeInstructionGenericSHL theINS = (BytecodeInstructionGenericSHL) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.BINARYSHIFTLEFT, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericSHR) {
            BytecodeInstructionGenericSHR theINS = (BytecodeInstructionGenericSHR) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.BINARYSHIFTRIGHT, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGenericUSHR) {
            BytecodeInstructionGenericUSHR theINS = (BytecodeInstructionGenericUSHR) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getType()), new BinaryExpression(TypeRef.toType(theINS.getType()), theValue1, BinaryExpression.Operator.BINARYUNSIGNEDSHIFTRIGHT, theValue2));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionIFNULL) {
            BytecodeInstructionIFNULL theINS = (BytecodeInstructionIFNULL) theInstruction;
            Value theValue = aHelper.pop();
            FixedBinaryExpression theBinaryValue = new FixedBinaryExpression(theValue, FixedBinaryExpression.Operator.ISNULL);
            ExpressionList theExpressions = new ExpressionList();
            theExpressions.add(new GotoExpression(theINS.getJumpTarget()));
            aTargetBlock.getExpressions().add(new IFExpression(theINS.getOpcodeAddress(), theINS.getJumpTarget(), theBinaryValue, theExpressions));
        } else if (theInstruction instanceof BytecodeInstructionIFNONNULL) {
            BytecodeInstructionIFNONNULL theINS = (BytecodeInstructionIFNONNULL) theInstruction;
            Value theValue = aHelper.pop();
            FixedBinaryExpression theBinaryValue = new FixedBinaryExpression(theValue, FixedBinaryExpression.Operator.ISNONNULL);
            ExpressionList theExpressions = new ExpressionList();
            theExpressions.add(new GotoExpression(theINS.getJumpTarget()));
            aTargetBlock.getExpressions().add(new IFExpression(theINS.getOpcodeAddress(), theINS.getJumpTarget(), theBinaryValue, theExpressions));
        } else if (theInstruction instanceof BytecodeInstructionIFICMP) {
            BytecodeInstructionIFICMP theINS = (BytecodeInstructionIFICMP) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            BinaryExpression theBinaryValue;
            switch(theINS.getType()) {
                case lt:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.LESSTHAN, theValue2);
                    break;
                case eq:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.EQUALS, theValue2);
                    break;
                case gt:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.GREATERTHAN, theValue2);
                    break;
                case ge:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.GREATEROREQUALS, theValue2);
                    break;
                case le:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.LESSTHANOREQUALS, theValue2);
                    break;
                case ne:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.NOTEQUALS, theValue2);
                    break;
                default:
                    throw new IllegalStateException("Not supported operation : " + theINS.getType());
            }
            ExpressionList theExpressions = new ExpressionList();
            theExpressions.add(new GotoExpression(theINS.getJumpTarget()));
            aTargetBlock.getExpressions().add(new IFExpression(theINS.getOpcodeAddress(), theINS.getJumpTarget(), theBinaryValue, theExpressions));
        } else if (theInstruction instanceof BytecodeInstructionIFACMP) {
            BytecodeInstructionIFACMP theINS = (BytecodeInstructionIFACMP) theInstruction;
            Value theValue2 = aHelper.pop();
            Value theValue1 = aHelper.pop();
            BinaryExpression theBinaryValue;
            switch(theINS.getType()) {
                case eq:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.EQUALS, theValue2);
                    break;
                case ne:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue1, BinaryExpression.Operator.NOTEQUALS, theValue2);
                    break;
                default:
                    throw new IllegalStateException("Not supported operation : " + theINS.getType());
            }
            ExpressionList theExpressions = new ExpressionList();
            theExpressions.add(new GotoExpression(theINS.getJumpTarget()));
            aTargetBlock.getExpressions().add(new IFExpression(theINS.getOpcodeAddress(), theINS.getJumpTarget(), theBinaryValue, theExpressions));
        } else if (theInstruction instanceof BytecodeInstructionIFCOND) {
            BytecodeInstructionIFCOND theINS = (BytecodeInstructionIFCOND) theInstruction;
            Value theValue = aHelper.pop();
            BinaryExpression theBinaryValue;
            switch(theINS.getType()) {
                case lt:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue, BinaryExpression.Operator.LESSTHAN, new IntegerValue(0));
                    break;
                case eq:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue, BinaryExpression.Operator.EQUALS, new IntegerValue(0));
                    break;
                case gt:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue, BinaryExpression.Operator.GREATERTHAN, new IntegerValue(0));
                    break;
                case ge:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue, BinaryExpression.Operator.GREATEROREQUALS, new IntegerValue(0));
                    break;
                case le:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue, BinaryExpression.Operator.LESSTHANOREQUALS, new IntegerValue(0));
                    break;
                case ne:
                    theBinaryValue = new BinaryExpression(TypeRef.Native.BOOLEAN, theValue, BinaryExpression.Operator.NOTEQUALS, new IntegerValue(0));
                    break;
                default:
                    throw new IllegalStateException("Not supported operation : " + theINS.getType());
            }
            ExpressionList theExpressions = new ExpressionList();
            theExpressions.add(new GotoExpression(theINS.getJumpTarget()));
            aTargetBlock.getExpressions().add(new IFExpression(theINS.getOpcodeAddress(), theINS.getJumpTarget(), theBinaryValue, theExpressions));
        } else if (theInstruction instanceof BytecodeInstructionObjectRETURN) {
            BytecodeInstructionObjectRETURN theINS = (BytecodeInstructionObjectRETURN) theInstruction;
            Value theValue = aHelper.pop();
            aTargetBlock.getExpressions().add(new ReturnValueExpression(theValue));
        } else if (theInstruction instanceof BytecodeInstructionGenericRETURN) {
            BytecodeInstructionGenericRETURN theINS = (BytecodeInstructionGenericRETURN) theInstruction;
            Value theValue = aHelper.pop();
            aTargetBlock.getExpressions().add(new ReturnValueExpression(theValue));
        } else if (theInstruction instanceof BytecodeInstructionATHROW) {
            BytecodeInstructionATHROW theINS = (BytecodeInstructionATHROW) theInstruction;
            Value theValue = aHelper.pop();
            aTargetBlock.getExpressions().add(new ThrowExpression(theValue));
        } else if (theInstruction instanceof BytecodeInstructionRETURN) {
            BytecodeInstructionRETURN theINS = (BytecodeInstructionRETURN) theInstruction;
            aTargetBlock.getExpressions().add(new ReturnExpression());
        } else if (theInstruction instanceof BytecodeInstructionNEW) {
            BytecodeInstructionNEW theINS = (BytecodeInstructionNEW) theInstruction;
            BytecodeClassinfoConstant theClassInfo = theINS.getClassInfoForObjectToCreate();
            BytecodeObjectTypeRef theObjectType = BytecodeObjectTypeRef.fromUtf8Constant(theClassInfo.getConstant());
            if (Objects.equals(theObjectType.name(), Address.class.getName())) {
                // At this time the exact location is unknown, the value
                // will be set at constructor invocation time
                Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT);
                aHelper.push(theNewVariable);
            } else {
                if (Objects.equals(theObjectType, BytecodeObjectTypeRef.fromRuntimeClass(VM.RuntimeGeneratedType.class))) {
                    Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, new RuntimeGeneratedTypeExpression());
                    aHelper.push(theNewVariable);
                } else {
                    Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theObjectType), new NewObjectExpression(theClassInfo));
                    aHelper.push(theNewVariable);
                }
            }
        } else if (theInstruction instanceof BytecodeInstructionNEWARRAY) {
            BytecodeInstructionNEWARRAY theINS = (BytecodeInstructionNEWARRAY) theInstruction;
            Value theLength = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, new NewArrayExpression(theINS.getPrimitiveType(), theLength));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionNEWMULTIARRAY) {
            BytecodeInstructionNEWMULTIARRAY theINS = (BytecodeInstructionNEWMULTIARRAY) theInstruction;
            List<Value> theDimensions = new ArrayList<>();
            for (int i = 0; i < theINS.getDimensions(); i++) {
                theDimensions.add(aHelper.pop());
            }
            Collections.reverse(theDimensions);
            BytecodeTypeRef theTypeRef = linkerContext.getSignatureParser().toFieldType(new BytecodeUtf8Constant(theINS.getTypeConstant().getConstant().stringValue()));
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, new NewMultiArrayExpression(theTypeRef, theDimensions));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionANEWARRAY) {
            BytecodeInstructionANEWARRAY theINS = (BytecodeInstructionANEWARRAY) theInstruction;
            Value theLength = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, new NewArrayExpression(theINS.getObjectType(), theLength));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionGOTO) {
            BytecodeInstructionGOTO theINS = (BytecodeInstructionGOTO) theInstruction;
            aTargetBlock.getExpressions().add(new GotoExpression(theINS.getJumpAddress()));
        } else if (theInstruction instanceof BytecodeInstructionL2Generic) {
            BytecodeInstructionL2Generic theINS = (BytecodeInstructionL2Generic) theInstruction;
            Value theValue = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getTargetType()), new TypeConversionExpression(theValue, TypeRef.toType(theINS.getTargetType())));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionI2Generic) {
            BytecodeInstructionI2Generic theINS = (BytecodeInstructionI2Generic) theInstruction;
            Value theValue = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getTargetType()), new TypeConversionExpression(theValue, TypeRef.toType(theINS.getTargetType())));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionF2Generic) {
            BytecodeInstructionF2Generic theINS = (BytecodeInstructionF2Generic) theInstruction;
            Value theValue = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getTargetType()), new TypeConversionExpression(theValue, TypeRef.toType(theINS.getTargetType())));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionD2Generic) {
            BytecodeInstructionD2Generic theINS = (BytecodeInstructionD2Generic) theInstruction;
            Value theValue = aHelper.pop();
            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theINS.getTargetType()), new TypeConversionExpression(theValue, TypeRef.toType(theINS.getTargetType())));
            aHelper.push(theNewVariable);
        } else if (theInstruction instanceof BytecodeInstructionINVOKESPECIAL) {
            BytecodeInstructionINVOKESPECIAL theINS = (BytecodeInstructionINVOKESPECIAL) theInstruction;
            BytecodeMethodSignature theSignature = theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature();
            List<Value> theArguments = new ArrayList<>();
            BytecodeTypeRef[] theArgumentTypes = theSignature.getArguments();
            for (BytecodeTypeRef theArgumentType : theArgumentTypes) {
                theArguments.add(aHelper.pop());
            }
            Collections.reverse(theArguments);
            Variable theTarget = (Variable) aHelper.pop();
            BytecodeObjectTypeRef theType = BytecodeObjectTypeRef.fromUtf8Constant(theINS.getMethodReference().getClassIndex().getClassConstant().getConstant());
            if (Objects.equals(theType, BytecodeObjectTypeRef.fromRuntimeClass(VM.RuntimeGeneratedType.class))) {
                RuntimeGeneratedTypeExpression theValue = (RuntimeGeneratedTypeExpression) theTarget.incomingDataFlows().get(0);
                theValue.setType(theArguments.get(0));
                theValue.setMethodRef(theArguments.get(1));
            } else if (Objects.equals(theType, BytecodeObjectTypeRef.fromRuntimeClass(Address.class))) {
                theTarget.initializeWith(theArguments.get(0));
                aTargetBlock.getExpressions().add(new VariableAssignmentExpression(theTarget, theArguments.get(0)));
            } else {
                String theMethodName = theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue();
                if ("getClass".equals(theMethodName) && BytecodeLinkedClass.GET_CLASS_SIGNATURE.metchesExactlyTo(theSignature)) {
                    Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), new TypeOfExpression(theTarget));
                    aHelper.push(theNewVariable);
                } else {
                    DirectInvokeMethodExpression theExpression = new DirectInvokeMethodExpression(theType, theMethodName, theSignature, theTarget, theArguments);
                    if (theSignature.getReturnType().isVoid()) {
                        aTargetBlock.getExpressions().add(theExpression);
                    } else {
                        Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), theExpression);
                        aHelper.push(theNewVariable);
                    }
                }
            }
        } else if (theInstruction instanceof BytecodeInstructionINVOKEVIRTUAL) {
            BytecodeInstructionINVOKEVIRTUAL theINS = (BytecodeInstructionINVOKEVIRTUAL) theInstruction;
            BytecodeMethodSignature theSignature = theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature();
            if (theSignature.metchesExactlyTo(BytecodeLinkedClass.GET_CLASS_SIGNATURE) && "getClass".equals(theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue())) {
                Value theValue = new TypeOfExpression(aHelper.pop());
                Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), theValue);
                aHelper.push(theNewVariable);
                continue;
            }
            List<Value> theArguments = new ArrayList<>();
            BytecodeTypeRef[] theArgumentTypes = theSignature.getArguments();
            for (BytecodeTypeRef theArgumentType : theArgumentTypes) {
                theArguments.add(aHelper.pop());
            }
            Collections.reverse(theArguments);
            Value theTarget = aHelper.pop();
            InvokeVirtualMethodExpression theExpression = new InvokeVirtualMethodExpression(theINS.getMethodReference().getNameAndTypeIndex().getNameAndType(), theTarget, theArguments);
            if (theSignature.getReturnType().isVoid()) {
                aTargetBlock.getExpressions().add(theExpression);
            } else {
                Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), theExpression);
                aHelper.push(theNewVariable);
            }
        } else if (theInstruction instanceof BytecodeInstructionINVOKEINTERFACE) {
            BytecodeInstructionINVOKEINTERFACE theINS = (BytecodeInstructionINVOKEINTERFACE) theInstruction;
            BytecodeMethodSignature theSignature = theINS.getMethodDescriptor().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature();
            List<Value> theArguments = new ArrayList<>();
            BytecodeTypeRef[] theArgumentTypes = theSignature.getArguments();
            for (BytecodeTypeRef theArgumentType : theArgumentTypes) {
                theArguments.add(aHelper.pop());
            }
            Collections.reverse(theArguments);
            Value theTarget = aHelper.pop();
            InvokeVirtualMethodExpression theExpression = new InvokeVirtualMethodExpression(theINS.getMethodDescriptor().getNameAndTypeIndex().getNameAndType(), theTarget, theArguments);
            if (theSignature.getReturnType().isVoid()) {
                aTargetBlock.getExpressions().add(theExpression);
            } else {
                Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), theExpression);
                aHelper.push(theNewVariable);
            }
        } else if (theInstruction instanceof BytecodeInstructionINVOKESTATIC) {
            BytecodeInstructionINVOKESTATIC theINS = (BytecodeInstructionINVOKESTATIC) theInstruction;
            BytecodeMethodSignature theSignature = theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature();
            List<Value> theArguments = new ArrayList<>();
            BytecodeTypeRef[] theArgumentTypes = theSignature.getArguments();
            for (BytecodeTypeRef theArgumentType : theArgumentTypes) {
                theArguments.add(aHelper.pop());
            }
            Collections.reverse(theArguments);
            BytecodeClassinfoConstant theTargetClass = theINS.getMethodReference().getClassIndex().getClassConstant();
            BytecodeObjectTypeRef theObjectType = BytecodeObjectTypeRef.fromUtf8Constant(theTargetClass.getConstant());
            if (Objects.equals(theObjectType.name(), MemoryManager.class.getName()) && "initTestMemory".equals(theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue())) {
            // This invocation can be skipped!!!
            } else if (Objects.equals(theObjectType.name(), Address.class.getName())) {
                String theMethodName = theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue();
                switch(theMethodName) {
                    case "setIntValue":
                        {
                            Value theTarget = theArguments.get(0);
                            Value theOffset = theArguments.get(1);
                            Value theNewValue = theArguments.get(2);
                            ComputedMemoryLocationWriteExpression theLocation = new ComputedMemoryLocationWriteExpression(theTarget, theOffset);
                            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, theLocation);
                            aTargetBlock.getExpressions().add(new SetMemoryLocationExpression(theNewVariable, theNewValue));
                            break;
                        }
                    case "getStart":
                        {
                            Value theTarget = theArguments.get(0);
                            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, theTarget);
                            aHelper.push(theNewVariable);
                            break;
                        }
                    case "getStackTop":
                        {
                            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, new StackTopExpression());
                            aHelper.push(theNewVariable);
                            break;
                        }
                    case "getMemorySize":
                        {
                            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, new MemorySizeExpression());
                            aHelper.push(theNewVariable);
                            break;
                        }
                    case "getIntValue":
                        {
                            Value theTarget = theArguments.get(0);
                            Value theOffset = theArguments.get(1);
                            ComputedMemoryLocationReadExpression theLocation = new ComputedMemoryLocationReadExpression(theTarget, theOffset);
                            Variable theNewVariable = aTargetBlock.newVariable(TypeRef.Native.INT, theLocation);
                            aHelper.push(theNewVariable);
                            break;
                        }
                    case "unreachable":
                        {
                            aTargetBlock.getExpressions().add(new UnreachableExpression());
                            break;
                        }
                    default:
                        throw new IllegalStateException("Not implemented : " + theMethodName);
                }
            } else {
                BytecodeObjectTypeRef theClassToInvoke = BytecodeObjectTypeRef.fromUtf8Constant(theINS.getMethodReference().getClassIndex().getClassConstant().getConstant());
                linkerContext.resolveClass(theClassToInvoke).resolveStaticMethod(theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue(), theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature());
                BytecodeMethodSignature theCalledSignature = theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature();
                if ("sqrt".equals(theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue()) && "java.lang.StrictMath".equals(theClassToInvoke.name())) {
                    Value theValue = new SqrtExpression(TypeRef.toType(theCalledSignature.getReturnType()), theArguments.get(0));
                    Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), theValue);
                    aHelper.push(theNewVariable);
                } else if ("newInstance".equals(theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue()) && "java.lang.reflect.Array".equals(theClassToInvoke.name())) {
                    Value theArrayType = theArguments.get(0);
                    Value theArraySize = theArguments.get(1);
                    Value theValue = new NewArrayExpression(BytecodeObjectTypeRef.fromRuntimeClass(Object.class), theArraySize);
                    Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), theValue);
                    aHelper.push(theNewVariable);
                } else {
                    InvokeStaticMethodExpression theExpression = new InvokeStaticMethodExpression(theClassToInvoke, theINS.getMethodReference().getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue(), theCalledSignature, theArguments);
                    if (theSignature.getReturnType().isVoid()) {
                        aTargetBlock.getExpressions().add(theExpression);
                    } else {
                        Variable theNewVariable = aTargetBlock.newVariable(TypeRef.toType(theSignature.getReturnType()), theExpression);
                        aHelper.push(theNewVariable);
                    }
                }
            }
        } else if (theInstruction instanceof BytecodeInstructionINSTANCEOF) {
            BytecodeInstructionINSTANCEOF theINS = (BytecodeInstructionINSTANCEOF) theInstruction;
            Value theValueToCheck = aHelper.pop();
            InstanceOfExpression theValue = new InstanceOfExpression(theValueToCheck, theINS.getTypeRef());
            Variable theCheckResult = aTargetBlock.newVariable(TypeRef.Native.BOOLEAN, theValue);
            aHelper.push(theCheckResult);
        } else if (theInstruction instanceof BytecodeInstructionTABLESWITCH) {
            BytecodeInstructionTABLESWITCH theINS = (BytecodeInstructionTABLESWITCH) theInstruction;
            Value theValue = aHelper.pop();
            ExpressionList theDefault = new ExpressionList();
            theDefault.add(new GotoExpression(theINS.getDefaultJumpTarget()));
            Map<Long, ExpressionList> theOffsets = new HashMap<>();
            long[] theJumpTargets = theINS.getOffsets();
            for (int i = 0; i < theJumpTargets.length; i++) {
                ExpressionList theJump = new ExpressionList();
                theJump.add(new GotoExpression(theINS.getOpcodeAddress().add((int) theJumpTargets[i])));
                theOffsets.put((long) i, theJump);
            }
            aTargetBlock.getExpressions().add(new TableSwitchExpression(theValue, theINS.getLowValue(), theINS.getHighValue(), theDefault, theOffsets));
        } else if (theInstruction instanceof BytecodeInstructionLOOKUPSWITCH) {
            BytecodeInstructionLOOKUPSWITCH theINS = (BytecodeInstructionLOOKUPSWITCH) theInstruction;
            Value theValue = aHelper.pop();
            ExpressionList theDefault = new ExpressionList();
            theDefault.add(new GotoExpression(theINS.getDefaultJumpTarget()));
            Map<Long, ExpressionList> thePairs = new HashMap<>();
            for (BytecodeInstructionLOOKUPSWITCH.Pair thePair : theINS.getPairs()) {
                ExpressionList thePairExpressions = new ExpressionList();
                thePairExpressions.add(new GotoExpression(theINS.getOpcodeAddress().add((int) thePair.getOffset())));
                thePairs.put(thePair.getMatch(), thePairExpressions);
            }
            aTargetBlock.getExpressions().add(new LookupSwitchExpression(theValue, theDefault, thePairs));
        } else if (theInstruction instanceof BytecodeInstructionINVOKEDYNAMIC) {
            BytecodeInstructionINVOKEDYNAMIC theINS = (BytecodeInstructionINVOKEDYNAMIC) theInstruction;
            BytecodeInvokeDynamicConstant theConstant = theINS.getCallSite();
            BytecodeMethodSignature theInitSignature = theConstant.getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature();
            BytecodeBootstrapMethodsAttributeInfo theBootStrapMethods = aOwningClass.getAttributes().getByType(BytecodeBootstrapMethodsAttributeInfo.class);
            BytecodeBootstrapMethod theBootstrapMethod = theBootStrapMethods.methodByIndex(theConstant.getBootstrapMethodAttributeIndex().getIndex());
            BytecodeMethodHandleConstant theMethodRef = theBootstrapMethod.getMethodRef();
            BytecodeMethodRefConstant theBootstrapMethodToInvoke = (BytecodeMethodRefConstant) theMethodRef.getReferenceIndex().getConstant();
            Program theProgram = new Program();
            RegionNode theInitNode = theProgram.getControlFlowGraph().createAt(BytecodeOpcodeAddress.START_AT_ZERO, RegionNode.BlockType.NORMAL);
            switch(theMethodRef.getReferenceKind()) {
                case REF_invokeStatic:
                    {
                        BytecodeObjectTypeRef theClassWithBootstrapMethod = BytecodeObjectTypeRef.fromUtf8Constant(theBootstrapMethodToInvoke.getClassIndex().getClassConstant().getConstant());
                        BytecodeMethodSignature theSignature = theBootstrapMethodToInvoke.getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature();
                        List<Value> theArguments = new ArrayList<>();
                        // Add the three default constants
                        // TMethodHandles.Lookup aCaller,
                        theArguments.add(theInitNode.newVariable(TypeRef.Native.REFERENCE, new MethodHandlesGeneratedLookupExpression(theClassWithBootstrapMethod)));
                        theArguments.add(theInitNode.newVariable(TypeRef.Native.REFERENCE, new StringValue(theConstant.getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue())));
                        // TMethodType aInvokedType,
                        theArguments.add(theInitNode.newVariable(TypeRef.Native.REFERENCE, new MethodTypeExpression(theInitSignature)));
                        // Revolve the static arguments
                        for (BytecodeConstant theArgumentConstant : theBootstrapMethod.getArguments()) {
                            if (theArgumentConstant instanceof BytecodeMethodTypeConstant) {
                                BytecodeMethodTypeConstant theMethodType = (BytecodeMethodTypeConstant) theArgumentConstant;
                                theArguments.add(theInitNode.newVariable(TypeRef.Native.REFERENCE, new MethodTypeExpression(theMethodType.getDescriptorIndex().methodSignature())));
                                continue;
                            }
                            if (theArgumentConstant instanceof BytecodeStringConstant) {
                                BytecodeStringConstant thePrimitive = (BytecodeStringConstant) theArgumentConstant;
                                theArguments.add(theInitNode.newVariable(TypeRef.Native.REFERENCE, new StringValue(thePrimitive.getValue().stringValue())));
                                continue;
                            }
                            if (theArgumentConstant instanceof BytecodeLongConstant) {
                                BytecodeLongConstant thePrimitive = (BytecodeLongConstant) theArgumentConstant;
                                theArguments.add(theInitNode.newVariable(TypeRef.Native.LONG, new LongValue(thePrimitive.getLongValue())));
                                continue;
                            }
                            if (theArgumentConstant instanceof BytecodeIntegerConstant) {
                                BytecodeIntegerConstant thePrimitive = (BytecodeIntegerConstant) theArgumentConstant;
                                theArguments.add(theInitNode.newVariable(TypeRef.Native.INT, new LongValue(thePrimitive.getIntegerValue())));
                                continue;
                            }
                            if (theArgumentConstant instanceof BytecodeFloatConstant) {
                                BytecodeFloatConstant thePrimitive = (BytecodeFloatConstant) theArgumentConstant;
                                theArguments.add(theInitNode.newVariable(TypeRef.Native.FLOAT, new FloatValue(thePrimitive.getFloatValue())));
                                continue;
                            }
                            if (theArgumentConstant instanceof BytecodeDoubleConstant) {
                                BytecodeDoubleConstant thePrimitive = (BytecodeDoubleConstant) theArgumentConstant;
                                theArguments.add(theInitNode.newVariable(TypeRef.Native.DOUBLE, new DoubleValue(thePrimitive.getDoubleValue())));
                                continue;
                            }
                            if (theArgumentConstant instanceof BytecodeMethodHandleConstant) {
                                BytecodeMethodHandleConstant theMethodHandle = (BytecodeMethodHandleConstant) theArgumentConstant;
                                BytecodeReferenceIndex theReference = theMethodHandle.getReferenceIndex();
                                BytecodeMethodRefConstant theReferenceConstant = (BytecodeMethodRefConstant) theReference.getConstant();
                                theArguments.add(theInitNode.newVariable(TypeRef.Native.REFERENCE, new MethodRefExpression(theReferenceConstant)));
                                continue;
                            }
                            throw new IllegalStateException("Unsupported argument type : " + theArgumentConstant);
                        }
                        // Ok, is the last argument of the bootstrap method a vararg argument
                        BytecodeTypeRef theLastArgument = theSignature.getArguments()[theSignature.getArguments().length - 1];
                        if (theLastArgument.isArray()) {
                            // Yes, so we have to wrap everything from this position on in an array
                            int theSignatureLength = theSignature.getArguments().length;
                            int theArgumentsLength = theArguments.size();
                            int theVarArgsLength = theArgumentsLength - theSignatureLength + 1;
                            Variable theNewVarargsArray = theInitNode.newVariable(TypeRef.Native.REFERENCE, new NewArrayExpression(BytecodeObjectTypeRef.fromRuntimeClass(Object.class), new IntegerValue(theVarArgsLength)));
                            for (int i = theSignatureLength - 1; i < theArgumentsLength; i++) {
                                Value theVariable = theArguments.get(i);
                                theArguments.remove(theVariable);
                                theInitNode.getExpressions().add(new ArrayStoreExpression(TypeRef.Native.REFERENCE, theNewVarargsArray, new IntegerValue(i - theSignatureLength + 1), theVariable));
                            }
                            theArguments.add(theNewVarargsArray);
                        }
                        InvokeStaticMethodExpression theInvokeStaticValue = new InvokeStaticMethodExpression(BytecodeObjectTypeRef.fromUtf8Constant(theBootstrapMethodToInvoke.getClassIndex().getClassConstant().getConstant()), theBootstrapMethodToInvoke.getNameAndTypeIndex().getNameAndType().getNameIndex().getName().stringValue(), theBootstrapMethodToInvoke.getNameAndTypeIndex().getNameAndType().getDescriptorIndex().methodSignature(), theArguments);
                        Variable theNewVariable = theInitNode.newVariable(TypeRef.Native.REFERENCE, theInvokeStaticValue);
                        theInitNode.getExpressions().add(new ReturnValueExpression(theNewVariable));
                        // First step, we construct a callsite
                        ResolveCallsiteObjectExpression theValue = new ResolveCallsiteObjectExpression(aOwningClass.getThisInfo().getConstant().stringValue() + "_" + aMethod.getName().stringValue() + "_" + theINS.getOpcodeAddress().getAddress(), aOwningClass, theProgram, theInitNode);
                        Variable theCallsiteVariable = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, theValue);
                        List<Value> theInvokeArguments = new ArrayList<>();
                        Variable theArray = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, new NewArrayExpression(BytecodeObjectTypeRef.fromRuntimeClass(Object.class), new IntegerValue(theInitSignature.getArguments().length)));
                        for (int i = theInitSignature.getArguments().length - 1; i >= 0; i--) {
                            Value theIndex = new IntegerValue(i);
                            Value theStoredValue = aHelper.pop();
                            if (theStoredValue.resolveType() == TypeRef.Native.INT) {
                                // Create Integer object to contain int
                                BytecodeObjectTypeRef theType = BytecodeObjectTypeRef.fromRuntimeClass(Integer.class);
                                BytecodeTypeRef[] args_def = new BytecodeTypeRef[] { BytecodePrimitiveTypeRef.INT };
                                BytecodeMethodSignature sig = new BytecodeMethodSignature(theType, args_def);
                                List<Value> args = new ArrayList<>();
                                args.add(theStoredValue);
                                theStoredValue = new InvokeStaticMethodExpression(theType, "valueOf", sig, args);
                                theStoredValue = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, theStoredValue);
                            }
                            aTargetBlock.getExpressions().add(new ArrayStoreExpression(TypeRef.Native.REFERENCE, theArray, theIndex, theStoredValue));
                        }
                        theInvokeArguments.add(theArray);
                        InvokeVirtualMethodExpression theInvokeValue = new InvokeVirtualMethodExpression("invokeExact", new BytecodeMethodSignature(BytecodeObjectTypeRef.fromRuntimeClass(Object.class), new BytecodeTypeRef[] { new BytecodeArrayTypeRef(BytecodeObjectTypeRef.fromRuntimeClass(Object.class), 1) }), theCallsiteVariable, theInvokeArguments);
                        Variable theInvokeExactResult = aTargetBlock.newVariable(TypeRef.Native.REFERENCE, theInvokeValue);
                        aHelper.push(theInvokeExactResult);
                        break;
                    }
                default:
                    throw new IllegalStateException("Nut supported reference kind for invoke dynamic : " + theMethodRef.getReferenceKind());
            }
        } else {
            throw new IllegalArgumentException("Not implemented : " + theInstruction);
        }
    }
    aHelper.finalizeExportState();
}

Example 2 with BytecodeClassinfoConstant

use of de.mirkosertic.bytecoder.core.BytecodeClassinfoConstant in project Bytecoder by mirkosertic.

the class JSSSACompilerBackend method writeExceptionHandlerCode.

private void writeExceptionHandlerCode(BytecodeLinkerContext aLinkerContext, BytecodeLinkedClass aExceptionRethrower, PrintWriter aWriter, BytecodeProgram aProgram, String aInset, BytecodeInstruction aInstruction, String aExceptionVariableName) {
    BytecodeExceptionTableEntry[] theActiveHandlers = aProgram.getActiveExceptionHandlers(aInstruction.getOpcodeAddress(), aProgram.getExceptionHandlers());
    if (theActiveHandlers.length == 0) {
        // Missing catch block
        aWriter.println(aInset + JSWriterUtils.toClassName(aExceptionRethrower.getClassName()) + '.' + JSWriterUtils.toMethodName("registerExceptionOutcome", registerExceptionOutcomeSignature) + '(' + aExceptionVariableName + ");");
        aWriter.println(aInset + "return;");
    } else {
        for (BytecodeExceptionTableEntry theEntry : theActiveHandlers) {
            if (!theEntry.isFinally()) {
                BytecodeClassinfoConstant theConstant = theEntry.getCatchType();
                BytecodeLinkedClass theLinkedClass = aLinkerContext.isLinkedOrNull(theConstant.getConstant());
                if (theLinkedClass != null) {
                    aWriter.println(aInset + "if (" + aExceptionVariableName + ".clazz.instanceOfType(" + theLinkedClass.getUniqueId() + ")) {");
                    aWriter.println(aInset + "    currentLabel = " + theEntry.getHandlerPc().getAddress() + ';');
                    aWriter.println(aInset + "    continue controlflowloop;");
                    aWriter.println(aInset + '}');
                }
            }
        }
        aWriter.println(aInset + JSWriterUtils.toClassName(aExceptionRethrower.getClassName()) + '.' + JSWriterUtils.toMethodName("registerExceptionOutcome", registerExceptionOutcomeSignature) + '(' + aExceptionVariableName + ");");
        aWriter.println(aInset + "return;");
    }
}