Example usage for org.objectweb.asm Opcodes T_FLOAT

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

Introduction

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

Prototype

int T_FLOAT

To view the source code for org.objectweb.asm Opcodes T_FLOAT.

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Usage

From source file:asmlib.Type.java

License:Open Source License

public static Type fromOpcode(int opcode) {
    char type;//from w w  w .  j  ava2  s .  com

    switch (opcode) {
    case Opcodes.T_BOOLEAN:
        type = 'Z';
        break;
    case Opcodes.T_BYTE:
        type = 'B';
        break;
    case Opcodes.T_CHAR:
        type = 'C';
        break;
    case Opcodes.T_SHORT:
        type = 'S';
        break;
    case Opcodes.T_INT:
        type = 'I';
        break;
    case Opcodes.T_LONG:
        type = 'J';
        break;
    case Opcodes.T_FLOAT:
        type = 'F';
        break;
    case Opcodes.T_DOUBLE:
        type = 'D';
        break;
    default:
        throw new InstrumentationException("Unknown or invalid bytecode type");
    }

    return Type.fromBytecode(type);
}

From source file:bytecode.InstructionExporter.java

License:Apache License

/**
 * Output instructions for allocating arrays, both for primitive and
 * reference types.//from  ww  w  .  j  a v  a2 s  .c o  m
 *
 * @param instruction Array allocation instruction.
 * @return            <code>null</code>
 */
@Override
public Void visit(NewArray instruction) {
    if (instruction.getElementType().getSort() == Type.Sort.REF) {
        mv.visitTypeInsn(Opcodes.ANEWARRAY, instruction.getElementType().getInternalName());
    } else {
        int type;

        switch (instruction.getElementType().getSort()) {
        case BOOL:
            type = Opcodes.T_BOOLEAN;
            break;
        case CHAR:
            type = Opcodes.T_CHAR;
            break;
        case FLOAT:
            type = Opcodes.T_FLOAT;
            break;
        case DOUBLE:
            type = Opcodes.T_DOUBLE;
            break;
        case BYTE:
            type = Opcodes.T_BYTE;
            break;
        case SHORT:
            type = Opcodes.T_SHORT;
            break;
        case INT:
            type = Opcodes.T_INT;
            break;
        case LONG:
            type = Opcodes.T_LONG;
            break;
        default:
            throw new RuntimeException("Unknown array element type");
        }

        mv.visitIntInsn(Opcodes.NEWARRAY, type);
    }

    return null;
}

From source file:bytecode.MethodImporter.java

License:Apache License

/**
 * Imports instructions with a single integer operand (byte push, short push
 * and allocation of primitive arrays).//from  w w w . java  2 s . c o  m
 *
 * @param opcode  Opcode.
 * @param operand Integer operand.
 */
@Override
public void visitIntInsn(final int opcode, final int operand) {
    switch (opcode) {
    // Constants
    case Opcodes.BIPUSH:
        createConstant(new Byte((byte) operand));
        break;
    case Opcodes.SIPUSH:
        createConstant(new Short((short) operand));
        break;

    // New Array (Primitive)
    case Opcodes.NEWARRAY:
        Type type = null;

        switch (operand) {
        case Opcodes.T_BOOLEAN:
            type = Type.BOOL;
            break;
        case Opcodes.T_CHAR:
            type = Type.CHAR;
            break;
        case Opcodes.T_FLOAT:
            type = Type.FLOAT;
            break;
        case Opcodes.T_DOUBLE:
            type = Type.DOUBLE;
            break;
        case Opcodes.T_BYTE:
            type = Type.BYTE;
            break;
        case Opcodes.T_SHORT:
            type = Type.SHORT;
            break;
        case Opcodes.T_INT:
            type = Type.INT;
            break;
        case Opcodes.T_LONG:
            type = Type.LONG;
            break;
        }

        ordered.add(stack.push(new NewArray(type, stack.pop())));
        break;
    }
}

From source file:ch.eiafr.cojac.FloatReplacerMethodVisitor.java

License:Apache License

@Override
public void visitIntInsn(int opcode, int operand) {
    if (opcode == NEWARRAY) {
        if (operand == Opcodes.T_FLOAT) {
            mv.visitMethodInsn(INVOKESTATIC, FN_NAME, "newarray",
                    "(I)[" + Type.getType(Object.class).getDescriptor(), false);
            mv.visitTypeInsn(CHECKCAST, "[" + COJAC_FLOAT_WRAPPER_TYPE_DESCR);
            return;
        }//from w w  w .jav  a  2 s .c o m
        if (operand == Opcodes.T_DOUBLE) {
            mv.visitMethodInsn(INVOKESTATIC, DN_NAME, "newarray",
                    "(I)[" + Type.getType(Object.class).getDescriptor(), false);
            mv.visitTypeInsn(CHECKCAST, "[" + COJAC_DOUBLE_WRAPPER_TYPE_DESCR);
            return;
        }
    }
    mv.visitIntInsn(opcode, operand);
}

From source file:cl.inria.stiq.instrumenter.BCIUtils.java

License:Open Source License

/**
 * Returns the primitive type that corresponds to the given operand
 * // ww w. j ava 2 s.  c o m
 * @param aOperand
 *            {@link Opcodes#T_BOOLEAN} etc.
 */
public static PrimitiveTypeInfo getPrimitiveType(int aOperand) {
    switch (aOperand) {
    case Opcodes.T_BOOLEAN:
        return PrimitiveTypeInfo.BOOLEAN;
    case Opcodes.T_BYTE:
        return PrimitiveTypeInfo.BYTE;
    case Opcodes.T_CHAR:
        return PrimitiveTypeInfo.CHAR;
    case Opcodes.T_DOUBLE:
        return PrimitiveTypeInfo.DOUBLE;
    case Opcodes.T_FLOAT:
        return PrimitiveTypeInfo.FLOAT;
    case Opcodes.T_INT:
        return PrimitiveTypeInfo.INT;
    case Opcodes.T_LONG:
        return PrimitiveTypeInfo.LONG;
    case Opcodes.T_SHORT:
        return PrimitiveTypeInfo.SHORT;
    default:
        return null;
    }
}

From source file:com.devexperts.aprof.transformer.AbstractMethodVisitor.java

License:Open Source License

@Override
public void visitIntInsn(final int opcode, final int operand) {
    if (opcode == Opcodes.NEWARRAY && !context.isIntrinsicArraysCopyOf()) {
        String arrayDesc;/*ww  w .  jav  a2 s  .  c  o  m*/
        switch (operand) {
        case Opcodes.T_BOOLEAN:
            arrayDesc = BOOLEAN_ARR_T_DESC;
            break;
        case Opcodes.T_CHAR:
            arrayDesc = CHAR_ARR_T_DESC;
            break;
        case Opcodes.T_FLOAT:
            arrayDesc = FLOAT_ARR_T_DESC;
            break;
        case Opcodes.T_DOUBLE:
            arrayDesc = DOUBLE_ARR_T_DESC;
            break;
        case Opcodes.T_BYTE:
            arrayDesc = BYTE_ARR_T_DESC;
            break;
        case Opcodes.T_SHORT:
            arrayDesc = SHORT_ARR_T_DESC;
            break;
        case Opcodes.T_INT:
            arrayDesc = INT_ARR_T_DESC;
            break;
        case Opcodes.T_LONG:
            arrayDesc = LONG_ARR_T_DESC;
            break;
        default:
            assert false; // should not happen
            return;
        }
        visitAllocateArrayBefore(arrayDesc);
        mv.visitIntInsn(opcode, operand);
        visitAllocateArrayAfter(arrayDesc);
    } else
        mv.visitIntInsn(opcode, operand);
}

From source file:com.github.anba.es6draft.compiler.assembler.InstructionAssembler.java

License:Open Source License

private static final int arrayType(Type type) {
    switch (type.getSort()) {
    case Type.Sort.BOOLEAN:
        return Opcodes.T_BOOLEAN;
    case Type.Sort.CHAR:
        return Opcodes.T_CHAR;
    case Type.Sort.BYTE:
        return Opcodes.T_BYTE;
    case Type.Sort.SHORT:
        return Opcodes.T_SHORT;
    case Type.Sort.INT:
        return Opcodes.T_INT;
    case Type.Sort.FLOAT:
        return Opcodes.T_FLOAT;
    case Type.Sort.LONG:
        return Opcodes.T_LONG;
    case Type.Sort.DOUBLE:
        return Opcodes.T_DOUBLE;
    case Type.Sort.OBJECT:
    case Type.Sort.ARRAY:
    case Type.Sort.METHOD:
    case Type.Sort.VOID:
    default:/*from  www  . j  a va 2s .co m*/
        throw new IllegalArgumentException();
    }
}

From source file:com.google.devtools.build.android.desugar.BytecodeTypeInference.java

License:Open Source License

@Override
public void visitIntInsn(int opcode, int operand) {
    switch (opcode) {
    case Opcodes.BIPUSH:
    case Opcodes.SIPUSH:
        push(InferredType.INT);/*from w w w .  ja va 2  s .  c  o  m*/
        break;
    case Opcodes.NEWARRAY:
        pop();
        switch (operand) {
        case Opcodes.T_BOOLEAN:
            pushDescriptor("[Z");
            break;
        case Opcodes.T_CHAR:
            pushDescriptor("[C");
            break;
        case Opcodes.T_FLOAT:
            pushDescriptor("[F");
            break;
        case Opcodes.T_DOUBLE:
            pushDescriptor("[D");
            break;
        case Opcodes.T_BYTE:
            pushDescriptor("[B");
            break;
        case Opcodes.T_SHORT:
            pushDescriptor("[S");
            break;
        case Opcodes.T_INT:
            pushDescriptor("[I");
            break;
        case Opcodes.T_LONG:
            pushDescriptor("[J");
            break;
        default:
            throw new RuntimeException("Unhandled operand value: " + operand);
        }
        break;
    default:
        throw new RuntimeException("Unhandled opcode " + opcode);
    }
    super.visitIntInsn(opcode, operand);
}

From source file:com.google.test.metric.asm.MethodVisitorBuilder.java

License:Apache License

private Type toType(int operand) {
    switch (operand) {
    case Opcodes.T_BOOLEAN:
        return JavaType.BOOLEAN;
    case Opcodes.T_BYTE:
        return JavaType.BYTE;
    case Opcodes.T_CHAR:
        return JavaType.CHAR;
    case Opcodes.T_DOUBLE:
        return JavaType.DOUBLE;
    case Opcodes.T_FLOAT:
        return JavaType.FLOAT;
    case Opcodes.T_INT:
        return JavaType.INT;
    case Opcodes.T_LONG:
        return JavaType.LONG;
    case Opcodes.T_SHORT:
        return JavaType.SHORT;
    default://from w  w  w  . j  a v a 2 s .  com
        throw new IllegalArgumentException();
    }
}

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 w ww  .ja v a  2 s  .co m*/
 * @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;
}