Example usage for org.objectweb.asm Opcodes LLOAD

List of usage examples for org.objectweb.asm Opcodes LLOAD

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes LLOAD.

Prototype

int LLOAD

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Usage

From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java

License:Open Source License

/**
 * Generates instructions to save the local variables table to an object array.
 *
 * @param arrayLocalsVar variable that the object array containing local variables table is stored
 * @param tempObjectVar variable to use for temporary objects
 * @param frame execution frame at the instruction where the local variables table is to be saved
 * @return instructions to save the local variables table in to an array
 * @throws NullPointerException if any argument is {@code null}
 * @throws IllegalArgumentException if variables have the same index, or if variables have been released, or if variables are of wrong
 * type/*w  w  w.  j  a va 2s  .c  om*/
 */
public static InsnList saveLocalVariableTable(Variable arrayLocalsVar, Variable tempObjectVar,
        Frame<BasicValue> frame) {
    Validate.notNull(arrayLocalsVar);
    Validate.notNull(tempObjectVar);
    Validate.notNull(frame);
    Validate.isTrue(arrayLocalsVar.getType().equals(Type.getType(Object[].class)));
    Validate.isTrue(tempObjectVar.getType().equals(Type.getType(Object.class)));
    validateLocalIndicies(arrayLocalsVar.getIndex(), tempObjectVar.getIndex());
    InsnList ret = new InsnList();

    // Create array and save it in local vars table
    ret.add(new LdcInsnNode(frame.getLocals()));
    ret.add(new TypeInsnNode(Opcodes.ANEWARRAY, "java/lang/Object"));
    ret.add(new VarInsnNode(Opcodes.ASTORE, arrayLocalsVar.getIndex()));

    // Save the locals
    for (int i = 0; i < frame.getLocals(); i++) {
        BasicValue basicValue = frame.getLocal(i);
        Type type = basicValue.getType();

        // If type == null, basicValue is pointing to uninitialized var -- basicValue.toString() will return '.'. This means that this
        // slot contains nothing to save. So, skip this slot if we encounter it.
        if (type == null) {
            continue;
        }

        // If type is 'Lnull;', this means that the slot has been assigned null and that "there has been no merge yet that would 'raise'
        // the type toward some class or interface type" (from ASM mailing list). We know this slot will always contain null at this
        // point in the code so we can avoid saving it. When we load it back up, we can simply push a null in to that slot, thereby
        // keeping the same 'Lnull;' type.
        if ("Lnull;".equals(type.getDescriptor())) {
            continue;
        }

        // Convert the item to an object (if not already an object) and stores it in array.
        switch (type.getSort()) {
        case Type.BOOLEAN:
            ret.add(new VarInsnNode(Opcodes.ILOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf",
                    "(Z)Ljava/lang/Boolean;"));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.BYTE:
            ret.add(new VarInsnNode(Opcodes.ILOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;",
                    false));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.SHORT:
            ret.add(new VarInsnNode(Opcodes.ILOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf",
                    "(S)Ljava/lang/Short;", false));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.CHAR:
            ret.add(new VarInsnNode(Opcodes.ILOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf",
                    "(C)Ljava/lang/Character;", false));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.INT:
            ret.add(new VarInsnNode(Opcodes.ILOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf",
                    "(I)Ljava/lang/Integer;", false));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.FLOAT:
            ret.add(new VarInsnNode(Opcodes.FLOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf",
                    "(F)Ljava/lang/Float;", false));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.LONG:
            ret.add(new VarInsnNode(Opcodes.LLOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;",
                    false));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.DOUBLE:
            ret.add(new VarInsnNode(Opcodes.DLOAD, i));
            ret.add(new MethodInsnNode(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf",
                    "(D)Ljava/lang/Double;", false));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.ARRAY:
        case Type.OBJECT:
            ret.add(new VarInsnNode(Opcodes.ALOAD, i));
            ret.add(new VarInsnNode(Opcodes.ASTORE, tempObjectVar.getIndex()));
            break;
        case Type.METHOD:
        case Type.VOID:
        default:
            throw new IllegalStateException();
        }

        // Store item in to locals storage array
        ret.add(new VarInsnNode(Opcodes.ALOAD, arrayLocalsVar.getIndex()));
        ret.add(new LdcInsnNode(i));
        ret.add(new VarInsnNode(Opcodes.ALOAD, tempObjectVar.getIndex()));
        ret.add(new InsnNode(Opcodes.AASTORE));
    }

    return ret;
}

From source file:com.offbynull.coroutines.instrumenter.generators.GenericGenerators.java

License:Open Source License

/**
 * Copies a local variable on to the stack.
 * @param variable variable within the local variable table to load from
 * @return instructions to load a local variable on to the stack
 * @throws NullPointerException if any argument is {@code null}
 * @throws IllegalArgumentException if {@code variable} has been released
 *///from w  w  w . ja va2  s. c  o  m
public static InsnList loadVar(Variable variable) {
    Validate.notNull(variable);

    InsnList ret = new InsnList();
    switch (variable.getType().getSort()) {
    case Type.BOOLEAN:
    case Type.BYTE:
    case Type.CHAR:
    case Type.SHORT:
    case Type.INT:
        ret.add(new VarInsnNode(Opcodes.ILOAD, variable.getIndex()));
        break;
    case Type.LONG:
        ret.add(new VarInsnNode(Opcodes.LLOAD, variable.getIndex()));
        break;
    case Type.FLOAT:
        ret.add(new VarInsnNode(Opcodes.FLOAD, variable.getIndex()));
        break;
    case Type.DOUBLE:
        ret.add(new VarInsnNode(Opcodes.DLOAD, variable.getIndex()));
        break;
    case Type.OBJECT:
    case Type.ARRAY:
        ret.add(new VarInsnNode(Opcodes.ALOAD, variable.getIndex()));
        // If required, do it outside this method
        //                ret.add(new TypeInsnNode(Opcodes.CHECKCAST, variable.getType().getInternalName()));
        break;
    default:
        throw new IllegalStateException(); // should never happen, there is code in Variable/VariableTable to make sure invalid
                                           // types aren't set
    }

    return ret;
}

From source file:com.offbynull.coroutines.instrumenter.LocalsStateGenerators.java

License:Open Source License

/**
 * Generates instructions to save the local variables table.
 * @param markerType debug marker type/*from ww  w. jav  a  2 s.  c om*/
 * @param storageVars variables to store locals in to
 * @param frame execution frame at the instruction where the local variables table is to be saved
 * @return instructions to save the local variables table in to an array
 * @throws NullPointerException if any argument is {@code null}
 */
public static InsnList saveLocals(MarkerType markerType, StorageVariables storageVars,
        Frame<BasicValue> frame) {
    Validate.notNull(markerType);
    Validate.notNull(storageVars);
    Validate.notNull(frame);

    Variable intsVar = storageVars.getIntStorageVar();
    Variable floatsVar = storageVars.getFloatStorageVar();
    Variable longsVar = storageVars.getLongStorageVar();
    Variable doublesVar = storageVars.getDoubleStorageVar();
    Variable objectsVar = storageVars.getObjectStorageVar();

    int intsCounter = 0;
    int floatsCounter = 0;
    int longsCounter = 0;
    int doublesCounter = 0;
    int objectsCounter = 0;

    StorageSizes storageSizes = computeSizes(frame);

    InsnList ret = new InsnList();

    // Create storage arrays and save them in respective storage vars
    ret.add(merge(debugMarker(markerType, "Saving locals"), mergeIf(intsVar != null, () -> new Object[] {
            debugMarker(markerType, "Generating ints container (" + storageSizes.getIntsSize() + ")"),
            new LdcInsnNode(storageSizes.getIntsSize()), new IntInsnNode(Opcodes.NEWARRAY,
                    Opcodes.T_INT),
            new VarInsnNode(Opcodes.ASTORE, intsVar.getIndex()) }),
            mergeIf(floatsVar != null,
                    () -> new Object[] {
                            debugMarker(markerType,
                                    "Generating floats container (" + storageSizes.getFloatsSize() + ")"),
                            new LdcInsnNode(storageSizes.getFloatsSize()),
                            new IntInsnNode(Opcodes.NEWARRAY, Opcodes.T_FLOAT),
                            new VarInsnNode(Opcodes.ASTORE, floatsVar.getIndex()) }),
            mergeIf(longsVar != null, () -> new Object[] {
                    debugMarker(markerType, "Generating longs container (" + storageSizes.getLongsSize() + ")"),
                    new LdcInsnNode(storageSizes.getLongsSize()),
                    new IntInsnNode(Opcodes.NEWARRAY, Opcodes.T_LONG),
                    new VarInsnNode(Opcodes.ASTORE, longsVar.getIndex()) }),
            mergeIf(doublesVar != null, () -> new Object[] {
                    debugMarker(markerType,
                            "Generating doubles container (" + storageSizes.getDoublesSize() + ")"),
                    new LdcInsnNode(storageSizes.getDoublesSize()),
                    new IntInsnNode(Opcodes.NEWARRAY, Opcodes.T_DOUBLE),
                    new VarInsnNode(Opcodes.ASTORE, doublesVar.getIndex()) }),
            mergeIf(objectsVar != null,
                    () -> new Object[] {
                            debugMarker(markerType,
                                    "Generating objects container (" + storageSizes.getObjectsSize() + ")"),
                            new LdcInsnNode(storageSizes.getObjectsSize()),
                            new TypeInsnNode(Opcodes.ANEWARRAY, "java/lang/Object"),
                            new VarInsnNode(Opcodes.ASTORE, objectsVar.getIndex()) })));

    // Save the locals
    for (int i = 0; i < frame.getLocals(); i++) {
        BasicValue basicValue = frame.getLocal(i);
        Type type = basicValue.getType();

        // If type == null, basicValue is pointing to uninitialized var -- basicValue.toString() will return '.'. This means that this
        // slot contains nothing to save. So, skip this slot if we encounter it.
        if (type == null) {
            ret.add(debugMarker(markerType, "Skipping uninitialized value at " + i));
            continue;
        }

        // If type is 'Lnull;', this means that the slot has been assigned null and that "there has been no merge yet that would 'raise'
        // the type toward some class or interface type" (from ASM mailing list). We know this slot will always contain null at this
        // point in the code so we can avoid saving it. When we load it back up, we can simply push a null in to that slot, thereby
        // keeping the same 'Lnull;' type.
        if ("Lnull;".equals(type.getDescriptor())) {
            ret.add(debugMarker(markerType, "Skipping null value at " + i));
            continue;
        }

        // Place item in to appropriate storage array
        switch (type.getSort()) {
        case Type.BOOLEAN:
        case Type.BYTE:
        case Type.SHORT:
        case Type.CHAR:
        case Type.INT:
            ret.add(debugMarker(markerType,
                    "Inserting int at LVT index " + i + " to storage index " + intsCounter));
            ret.add(new VarInsnNode(Opcodes.ALOAD, intsVar.getIndex())); // [int[]]
            ret.add(new LdcInsnNode(intsCounter)); // [int[], idx]
            ret.add(new VarInsnNode(Opcodes.ILOAD, i)); // [int[], idx, val]
            ret.add(new InsnNode(Opcodes.IASTORE)); // []
            intsCounter++;
            break;
        case Type.FLOAT:
            ret.add(debugMarker(markerType,
                    "Inserting float at LVT index " + i + " to storage index " + floatsCounter));
            ret.add(new VarInsnNode(Opcodes.ALOAD, floatsVar.getIndex())); // [float[]]
            ret.add(new LdcInsnNode(floatsCounter)); // [float[], idx]
            ret.add(new VarInsnNode(Opcodes.FLOAD, i)); // [float[], idx, val]
            ret.add(new InsnNode(Opcodes.FASTORE)); // []
            floatsCounter++;
            break;
        case Type.LONG:
            ret.add(debugMarker(markerType,
                    "Inserting long at LVT index " + i + " to storage index " + longsCounter));
            ret.add(new VarInsnNode(Opcodes.ALOAD, longsVar.getIndex())); // [long[]]
            ret.add(new LdcInsnNode(longsCounter)); // [long[], idx]
            ret.add(new VarInsnNode(Opcodes.LLOAD, i)); // [long[], idx, val]
            ret.add(new InsnNode(Opcodes.LASTORE)); // []
            longsCounter++;
            break;
        case Type.DOUBLE:
            ret.add(debugMarker(markerType,
                    "Inserting double at LVT index " + i + " to storage index " + doublesCounter));
            ret.add(new VarInsnNode(Opcodes.ALOAD, doublesVar.getIndex())); // [double[]]
            ret.add(new LdcInsnNode(doublesCounter)); // [double[], idx]
            ret.add(new VarInsnNode(Opcodes.DLOAD, i)); // [double[], idx, val]
            ret.add(new InsnNode(Opcodes.DASTORE)); // []
            doublesCounter++;
            break;
        case Type.ARRAY:
        case Type.OBJECT:
            ret.add(debugMarker(markerType,
                    "Inserting object at LVT index " + i + " to storage index " + objectsCounter));
            ret.add(new VarInsnNode(Opcodes.ALOAD, objectsVar.getIndex())); // [Object[]]
            ret.add(new LdcInsnNode(objectsCounter)); // [Object[], idx]
            ret.add(new VarInsnNode(Opcodes.ALOAD, i)); // [Object[], idx, val]
            ret.add(new InsnNode(Opcodes.AASTORE)); // []
            objectsCounter++;
            break;
        case Type.METHOD:
        case Type.VOID:
        default:
            throw new IllegalStateException();
        }
    }

    return ret;
}

From source file:com.sun.fortress.compiler.asmbytecodeoptimizer.DefUseChains.java

License:Open Source License

private static void removeUnboxedValueInsns(AbstractInterpretationValue val, ByteCodeMethodVisitor bcmv) {
    for (Insn i : val.getDefs())
        removeInsn(bcmv, i, val, "RemovingBoxedValueDefinition");

    for (Insn i : val.getUses()) {
        if (i.isBoxingMethod()) {
            removeInsn(bcmv, i, val, "RemoveBoxingMethod");
        } else if (i.isUnBoxingMethod()) {
            removeInsn(bcmv, i, val, "UnboxingMethod");
        } else if (i.isCheckCast()) {
            removeInsn(bcmv, i, val, "CheckCast"); // FIXME CHF
        } else if (i instanceof VarInsn) {
            VarInsn vi = (VarInsn) i;//from   ww  w. j  a va 2 s.  co m
            if (vi.opcode == Opcodes.ASTORE) {
                int j = bcmv.insns.indexOf(i);
                removeInsn(bcmv, i, val, "astoreconversion" + val.getType());
                if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ32;"))
                    bcmv.insns.add(j, new VarInsn("ISTORE", Opcodes.ISTORE, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ64;"))
                    bcmv.insns.add(j, new VarInsn("LSTORE", Opcodes.LSTORE, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR32;"))
                    bcmv.insns.add(j, new VarInsn("FSTORE", Opcodes.FSTORE, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR64;"))
                    bcmv.insns.add(j, new VarInsn("DSTORE", Opcodes.DSTORE, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FBoolean;"))
                    bcmv.insns.add(j, new VarInsn("ISTORE", Opcodes.ISTORE, val.getValueNumber(), vi.index));
                else
                    bcmv.insns.add(j, new VarInsn("ASTORE", Opcodes.ASTORE, val.getValueNumber(), vi.index));
            } else if (vi.opcode == Opcodes.ALOAD) {
                int j = bcmv.insns.indexOf(i);
                removeInsn(bcmv, i, val, "Aloadconversion" + val.getType());
                if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ32;"))
                    bcmv.insns.add(j, new VarInsn("ILOAD", Opcodes.ILOAD, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ64;"))
                    bcmv.insns.add(j, new VarInsn("LLOAD", Opcodes.LLOAD, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR32;"))
                    bcmv.insns.add(j, new VarInsn("FLOAD", Opcodes.FLOAD, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR64;"))
                    bcmv.insns.add(j, new VarInsn("DLOAD", Opcodes.DLOAD, val.getValueNumber(), vi.index));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FBoolean;"))
                    bcmv.insns.add(j, new VarInsn("ILOAD", Opcodes.ILOAD, val.getValueNumber(), vi.index));
                else
                    bcmv.insns.add(j, new VarInsn("ALOAD", Opcodes.ALOAD, val.getValueNumber(), vi.index));
            }
        } else if (i instanceof SingleInsn) {
            SingleInsn si = (SingleInsn) i;
            if (si.opcode == Opcodes.ARETURN) {
                int j = bcmv.insns.indexOf(i);
                if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ32;"))
                    bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC,
                            "com/sun/fortress/compiler/runtimeValues/FZZ32", "make",
                            "(I)Lcom/sun/fortress/compiler/runtimeValues/FZZ32;", "ReboxingReturnValue"));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ64;"))
                    bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC,
                            "com/sun/fortress/compiler/runtimeValues/FZZ64", "make",
                            "(J)Lcom/sun/fortress/compiler/runtimeValues/FZZ64;", "ReboxingReturnValue"));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR32;"))
                    bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC,
                            "com/sun/fortress/compiler/runtimeValues/FRR32", "make",
                            "(F)Lcom/sun/fortress/compiler/runtimeValues/FRR32;", "ReboxingReturnValue"));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR64;"))
                    bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC,
                            "com/sun/fortress/compiler/runtimeValues/FRR64", "make",
                            "(D)Lcom/sun/fortress/compiler/runtimeValues/FRR64;", "ReboxingReturnValue"));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FVoid;"))
                    bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC,
                            "com/sun/fortress/compiler/runtimeValues/FVoid", "make",
                            "()Lcom/sun/fortress/compiler/runtimeValues/FVoid;", "ReboxingReturnValue"));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FBoolean;"))
                    bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC,
                            "com/sun/fortress/compiler/runtimeValues/FBoolean", "make",
                            "(Z)Lcom/sun/fortress/compiler/runtimeValues/FBoolean;", "ReboxingReturnValue"));
                else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FJavaString;"))
                    bcmv.insns.add(j,
                            new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC,
                                    "com/sun/fortress/compiler/runtimeValues/FJavaString", "make",
                                    "(java.lang.String)Lcom/sun/fortress/compiler/runtimeValues/FJavaString;",
                                    "ReboxingReturnValue"));
                else
                    throw new RuntimeException("Don't recognize var type " + val.getType());
            }
        }
    }
}

From source file:com.sun.fortress.compiler.asmbytecodeoptimizer.Inlining.java

License:Open Source License

public static List<Insn> convertInsns(MethodInsn mi, List<Insn> insns, int[] args, int _index, Label end) {
    List<Insn> result = new ArrayList<Insn>();
    HashMap labels = new HashMap();
    int index = _index;
    for (Insn i : insns) {
        if (i.isExpanded()) {
            MethodInsn expanded = (MethodInsn) i;
            // This use of end should be OK because all returns should have been removed when inlined before.
            // What could go wrong?
            result.addAll(convertInsns(expanded, expanded.inlineExpansionInsns, args, _index, end));
        } else if (i instanceof SingleInsn) {
            SingleInsn si = (SingleInsn) i;
            switch (si.opcode) {
            case Opcodes.IRETURN:
            case Opcodes.LRETURN:
            case Opcodes.FRETURN:
            case Opcodes.DRETURN:
            case Opcodes.ARETURN:
            case Opcodes.RETURN:
                result.add(new JumpInsn("RETURN->GOTO", Opcodes.GOTO, end, newIndex(mi, index++)));
                break;
            default:
                result.add(i.copy(newIndex(mi, index++)));
            }//from ww  w  . j a va  2  s  .  c  o m
        } else if (i instanceof VarInsn) {
            VarInsn vi = (VarInsn) i;
            switch (vi.opcode) {
            case Opcodes.ILOAD:
            case Opcodes.LLOAD:
            case Opcodes.FLOAD:
            case Opcodes.DLOAD:
            case Opcodes.ALOAD:
            case Opcodes.ISTORE:
            case Opcodes.LSTORE:
            case Opcodes.FSTORE:
            case Opcodes.DSTORE:
            case Opcodes.ASTORE:
                VarInsn newVarInsn = new VarInsn(vi.name, vi.opcode, args[vi.var], newIndex(mi, index++));
                result.add(newVarInsn);
                break;
            default:
                result.add(i.copy(newIndex(mi, index++)));
            }
        } else if (i instanceof VisitMaxs) {
        } else if (i instanceof VisitEnd) {
        } else if (i instanceof VisitCode) {
        } else if (i instanceof VisitFrame) {
        } else if (i instanceof LabelInsn) {
            LabelInsn li = (LabelInsn) i;
            if (labels.containsKey(li.label))
                result.add(new LabelInsn(li.name, (Label) labels.get(li.label), newIndex(mi, index++)));
            else {
                Label l = new Label();
                labels.put(li.label, l);
                result.add(new LabelInsn(li.name, l, newIndex(mi, index++)));
            }
        } else if (i instanceof JumpInsn) {
            JumpInsn ji = (JumpInsn) i;
            if (labels.containsKey(ji.label))
                result.add(
                        new JumpInsn(ji.name, ji.opcode, (Label) labels.get(ji.label), newIndex(mi, index++)));
            else {
                Label l = new Label();
                labels.put(ji.label, l);
                result.add(new JumpInsn(ji.name, ji.opcode, l, newIndex(mi, index++)));
            }
        } else if (i instanceof VisitLineNumberInsn) {
            VisitLineNumberInsn vlni = (VisitLineNumberInsn) i;
            if (labels.containsKey(vlni.start))
                result.add(new VisitLineNumberInsn(vlni.name, vlni.line, (Label) labels.get(vlni.start),
                        newIndex(mi, index++)));
            else {
                Label l = new Label();
                labels.put(vlni.start, l);
                result.add(new VisitLineNumberInsn(vlni.name, vlni.line, l, newIndex(mi, index++)));
            }
        } else if (i instanceof LocalVariableInsn) {
            LocalVariableInsn lvi = (LocalVariableInsn) i;
            if (labels.containsKey(lvi.start) && labels.containsKey(lvi.end)) {
                result.add(new LocalVariableInsn(lvi.name, lvi._name, lvi.desc, lvi.sig,
                        (Label) labels.get(lvi.start), (Label) labels.get(lvi.end), args[lvi._index],
                        newIndex(mi, index++)));
            } else
                throw new RuntimeException("NYI");
        } else if (i instanceof TryCatchBlock) {
            TryCatchBlock tcb = (TryCatchBlock) i;
            if (labels.containsKey(tcb.start) && labels.containsKey(tcb.end)
                    && labels.containsKey(tcb.handler)) {
                result.add(
                        new TryCatchBlock(tcb.name, (Label) labels.get(tcb.start), (Label) labels.get(tcb.end),
                                (Label) labels.get(tcb.handler), tcb.type, newIndex(mi, index++)));
            } else if (!labels.containsKey(tcb.start) && !labels.containsKey(tcb.end)
                    && !labels.containsKey(tcb.handler)) {
                Label s = new Label();
                Label e = new Label();
                Label h = new Label();
                labels.put(tcb.start, s);
                labels.put(tcb.end, e);
                labels.put(tcb.handler, h);
                result.add(new TryCatchBlock(tcb.name, s, e, h, tcb.type, newIndex(mi, index++)));
            } else
                throw new RuntimeException("NYI");
            // Need to add TableSwitch, LookupSwitch
        } else {
            result.add(i.copy(newIndex(mi, index++)));
        }
    }
    return result;
}

From source file:com.trigersoft.jaque.expression.ExpressionMethodVisitor.java

License:Apache License

@Override
public void visitVarInsn(int opcode, int var) {
    if (_me != null) {
        if (var == 0) {
            _exprStack.push(_me);//  w  w w  .  jav  a  2 s.  c  o  m
            return;
        }
        var--;
    }
    Class<?> type;
    switch (opcode) {
    case Opcodes.ISTORE:
    case Opcodes.LSTORE:
    case Opcodes.FSTORE:
    case Opcodes.DSTORE:
    case Opcodes.ASTORE:
    case Opcodes.RET:
    default:
        throw notLambda(opcode);
    case Opcodes.ILOAD:
        type = Integer.TYPE;
        break;
    case Opcodes.LLOAD:
        type = Long.TYPE;
        break;
    case Opcodes.FLOAD:
        type = Float.TYPE;
        break;
    case Opcodes.DLOAD:
        type = Double.TYPE;
        break;
    case Opcodes.ALOAD:
        type = _argTypes[var];
        break;
    }

    _exprStack.push(Expression.parameter(type, var));
}

From source file:de.tuberlin.uebb.jbop.optimizer.methodsplitter.Block.java

License:Open Source License

private int getOpcode(final Type type) {
    if (Type.BOOLEAN_TYPE.equals(type)) {
        return Opcodes.ILOAD;
    }//w ww .  j a v a2 s.  co  m
    if (Type.INT_TYPE.equals(type)) {
        return Opcodes.ILOAD;
    }
    if (Type.FLOAT_TYPE.equals(type)) {
        return Opcodes.FLOAD;
    }
    if (Type.LONG_TYPE.equals(type)) {
        return Opcodes.LLOAD;
    }
    if (Type.DOUBLE_TYPE.equals(type)) {
        return Opcodes.DLOAD;
    }
    if (Type.CHAR_TYPE.equals(type)) {
        return Opcodes.ILOAD;
    }
    return Opcodes.ALOAD;
}

From source file:de.tuberlin.uebb.jbop.optimizer.methodsplitter.Block.java

License:Open Source License

private Type getTypeIfSimpleType(final AbstractInsnNode node) {
    final int opcode = node.getOpcode();
    if ((opcode == Opcodes.ILOAD) || (opcode == Opcodes.ISTORE) || (opcode == Opcodes.IRETURN)) {
        return Type.INT_TYPE;
    }/*from   w  w w. j  a v a 2 s .  c  o  m*/
    if ((opcode == Opcodes.FLOAD) || (opcode == Opcodes.FSTORE) || (opcode == Opcodes.FRETURN)) {
        return Type.FLOAT_TYPE;
    }
    if ((opcode == Opcodes.LLOAD) || (opcode == Opcodes.LSTORE) || (opcode == Opcodes.LRETURN)) {
        return Type.LONG_TYPE;
    }
    if ((opcode == Opcodes.DLOAD) || (opcode == Opcodes.DSTORE) || (opcode == Opcodes.DRETURN)) {
        return Type.DOUBLE_TYPE;
    }
    return null;
}

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.VarInstruction.java

License:Open Source License

public VarInstruction(final ReadMethod readMethod, final int opcode, final int lineNumber,
        final int localVarIndex) {
    super(readMethod, opcode, lineNumber);
    assert opcode == Opcodes.ILOAD || opcode == Opcodes.LLOAD || opcode == Opcodes.FLOAD
            || opcode == Opcodes.DLOAD || opcode == Opcodes.ALOAD || opcode == Opcodes.ISTORE
            || opcode == Opcodes.LSTORE || opcode == Opcodes.FSTORE || opcode == Opcodes.DSTORE
            || opcode == Opcodes.ASTORE || opcode == Opcodes.RET;
    this.localVarIndex = localVarIndex;
}

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.VarInstruction.java

License:Open Source License

private VarInstruction(final ReadMethod readMethod, final int lineNumber, final int opcode,
        final int localVarIndex, final int index) {
    super(readMethod, opcode, lineNumber, index);
    assert opcode == Opcodes.ILOAD || opcode == Opcodes.LLOAD || opcode == Opcodes.FLOAD
            || opcode == Opcodes.DLOAD || opcode == Opcodes.ALOAD || opcode == Opcodes.ISTORE
            || opcode == Opcodes.LSTORE || opcode == Opcodes.FSTORE || opcode == Opcodes.DSTORE
            || opcode == Opcodes.ASTORE || opcode == Opcodes.RET;
    this.localVarIndex = localVarIndex;
}