Example usage for org.objectweb.asm Opcodes INTEGER

Introduction

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

Prototype

Integer INTEGER

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Usage

From source file:org.evosuite.instrumentation.testability.MethodNodeTransformer.java

License:Open Source License

/**
 * Creates a new local variable of the given type.
 * /*from w w w .  j  ava 2 s .  c o  m*/
 * @param type
 *            the type of the local variable to be created.
 * @return the identifier of the newly created local variable.
 */
public int newLocal(final Type type) {
    Object t;
    switch (type.getSort()) {
    case Type.BOOLEAN:
    case Type.CHAR:
    case Type.BYTE:
    case Type.SHORT:
    case Type.INT:
        t = Opcodes.INTEGER;
        break;
    case Type.FLOAT:
        t = Opcodes.FLOAT;
        break;
    case Type.LONG:
        t = Opcodes.LONG;
        break;
    case Type.DOUBLE:
        t = Opcodes.DOUBLE;
        break;
    case Type.ARRAY:
        t = type.getDescriptor();
        break;
    // case Type.OBJECT:
    default:
        t = type.getInternalName();
        break;
    }
    int local = newLocalMapping(type);
    setLocalType(local, type);
    setFrameLocal(local, t);
    return local;
}

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From source file:org.jacoco.core.instr.ClassFileVersionsTest.java

License:Open Source License

/**
 * Creates a class that requires a frame before the return statement. Also
 * for this class instrumentation should insert another frame.
 *
 * <code><pre>//from  w  w w. j  av a2 s.c om
 * public class Sample {
 *   public Sample(boolean b){
 *     if(b){
 *       toString();
 *     }
 *     return;
 *   }
 * }
 * </pre></code>
 */
private byte[] createClass(int version, boolean frames) {

    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(version, ACC_PUBLIC + ACC_SUPER, "org/jacoco/test/Sample", null, "java/lang/Object", null);

    mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(Z)V", null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    mv.visitVarInsn(ILOAD, 1);
    Label l1 = new Label();
    mv.visitJumpInsn(IFEQ, l1);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "toString", "()Ljava/lang/String;", false);
    mv.visitInsn(POP);
    mv.visitLabel(l1);
    if (frames) {
        mv.visitFrame(F_NEW, 2, new Object[] { "org/jacoco/test/Sample", Opcodes.INTEGER }, 0, new Object[] {});
    }
    mv.visitInsn(RETURN);
    mv.visitMaxs(1, 2);
    mv.visitEnd();

    cw.visitEnd();

    return cw.toByteArray();
}

---

From source file:org.jacoco.core.internal.flow.FrameSnapshotTest.java

License:Open Source License

@Test
public void should_capture_frame_when_frame_is_defined() {
    analyzer.visitInsn(Opcodes.FCONST_0);
    analyzer.visitVarInsn(Opcodes.FSTORE, 1);
    analyzer.visitInsn(Opcodes.ICONST_0);
    frame = FrameSnapshot.create(analyzer, 0);

    expectedVisitor.visitFrame(Opcodes.F_FULL, 2, arr("Foo", Opcodes.FLOAT), 1, arr(Opcodes.INTEGER));
}

---

From source file:org.jacoco.core.internal.flow.FrameSnapshotTest.java

License:Open Source License

@Test
public void should_combine_slots_when_doube_or_long_types_are_given() {
    analyzer.visitInsn(Opcodes.DCONST_0);
    analyzer.visitVarInsn(Opcodes.DSTORE, 1);
    analyzer.visitInsn(Opcodes.FCONST_0);
    analyzer.visitVarInsn(Opcodes.FSTORE, 3);

    analyzer.visitInsn(Opcodes.ICONST_0);
    analyzer.visitInsn(Opcodes.LCONST_0);
    analyzer.visitInsn(Opcodes.ICONST_0);
    analyzer.visitInsn(Opcodes.DCONST_0);
    frame = FrameSnapshot.create(analyzer, 0);

    final Object[] vars = arr("Foo", Opcodes.DOUBLE, Opcodes.FLOAT);
    final Object[] stack = arr(Opcodes.INTEGER, Opcodes.LONG, Opcodes.INTEGER, Opcodes.DOUBLE);
    expectedVisitor.visitFrame(Opcodes.F_FULL, 3, vars, 4, stack);
}

---

From source file:org.jacoco.core.internal.flow.FrameSnapshotTest.java

License:Open Source License

@Test
public void should_decrease_stack_when_popCount_is_given() {
    analyzer.visitInsn(Opcodes.ICONST_0);
    analyzer.visitInsn(Opcodes.LCONST_0);
    analyzer.visitInsn(Opcodes.ICONST_0);
    analyzer.visitInsn(Opcodes.ICONST_0);
    frame = FrameSnapshot.create(analyzer, 2);

    final Object[] stack = arr(Opcodes.INTEGER, Opcodes.LONG);
    expectedVisitor.visitFrame(Opcodes.F_FULL, 1, arr("Foo"), 2, stack);
}

---

From source file:org.jacoco.core.internal.instr.DuplicateFrameEliminatorTest.java

License:Open Source License

private void frame(MethodVisitor mv) {
    mv.visitFrame(Opcodes.NEW, 1, new Object[] { Opcodes.INTEGER }, 0, new Object[0]);
}

---

From source file:org.jacoco.core.internal.instr.FrameTracker.java

License:Open Source License

@Override
public void visitInsn(final int opcode) {
    final Object t1, t2, t3, t4;
    switch (opcode) {
    case Opcodes.NOP:
    case Opcodes.RETURN:
        break;/*from  w w  w . j a v a2 s  .c o  m*/
    case Opcodes.ARETURN:
    case Opcodes.ATHROW:
    case Opcodes.FRETURN:
    case Opcodes.IRETURN:
    case Opcodes.MONITORENTER:
    case Opcodes.MONITOREXIT:
    case Opcodes.POP:
        pop(1);
        break;
    case Opcodes.DRETURN:
    case Opcodes.LRETURN:
    case Opcodes.POP2:
        pop(2);
        break;
    case Opcodes.AASTORE:
    case Opcodes.BASTORE:
    case Opcodes.CASTORE:
    case Opcodes.FASTORE:
    case Opcodes.IASTORE:
    case Opcodes.SASTORE:
        pop(3);
        break;
    case Opcodes.LASTORE:
    case Opcodes.DASTORE:
        pop(4);
        break;
    case Opcodes.ICONST_M1:
    case Opcodes.ICONST_0:
    case Opcodes.ICONST_1:
    case Opcodes.ICONST_2:
    case Opcodes.ICONST_3:
    case Opcodes.ICONST_4:
    case Opcodes.ICONST_5:
        push(Opcodes.INTEGER);
        break;
    case Opcodes.ARRAYLENGTH:
    case Opcodes.F2I:
    case Opcodes.I2B:
    case Opcodes.I2C:
    case Opcodes.I2S:
    case Opcodes.INEG:
        pop(1);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.BALOAD:
    case Opcodes.CALOAD:
    case Opcodes.D2I:
    case Opcodes.FCMPG:
    case Opcodes.FCMPL:
    case Opcodes.IADD:
    case Opcodes.IALOAD:
    case Opcodes.IAND:
    case Opcodes.IDIV:
    case Opcodes.IMUL:
    case Opcodes.IOR:
    case Opcodes.IREM:
    case Opcodes.ISHL:
    case Opcodes.ISHR:
    case Opcodes.ISUB:
    case Opcodes.IUSHR:
    case Opcodes.IXOR:
    case Opcodes.L2I:
    case Opcodes.SALOAD:
        pop(2);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.DCMPG:
    case Opcodes.DCMPL:
    case Opcodes.LCMP:
        pop(4);
        push(Opcodes.INTEGER);
        break;
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
        push(Opcodes.FLOAT);
        break;
    case Opcodes.FNEG:
    case Opcodes.I2F:
        pop(1);
        push(Opcodes.FLOAT);
        break;
    case Opcodes.D2F:
    case Opcodes.FADD:
    case Opcodes.FALOAD:
    case Opcodes.FDIV:
    case Opcodes.FMUL:
    case Opcodes.FREM:
    case Opcodes.FSUB:
    case Opcodes.L2F:
        pop(2);
        push(Opcodes.FLOAT);
        break;
    case Opcodes.LCONST_0:
    case Opcodes.LCONST_1:
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.F2L:
    case Opcodes.I2L:
        pop(1);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.D2L:
    case Opcodes.LALOAD:
    case Opcodes.LNEG:
        pop(2);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.LSHL:
    case Opcodes.LSHR:
    case Opcodes.LUSHR:
        pop(3);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.LADD:
    case Opcodes.LAND:
    case Opcodes.LDIV:
    case Opcodes.LMUL:
    case Opcodes.LOR:
    case Opcodes.LREM:
    case Opcodes.LSUB:
    case Opcodes.LXOR:
        pop(4);
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.F2D:
    case Opcodes.I2D:
        pop(1);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.DALOAD:
    case Opcodes.DNEG:
    case Opcodes.L2D:
        pop(2);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.DADD:
    case Opcodes.DDIV:
    case Opcodes.DMUL:
    case Opcodes.DREM:
    case Opcodes.DSUB:
        pop(4);
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.ACONST_NULL:
        push(Opcodes.NULL);
        break;
    case Opcodes.AALOAD:
        pop(1);
        t1 = pop();
        push(Type.getType(((String) t1).substring(1)));
        break;
    case Opcodes.DUP:
        t1 = pop();
        push(t1);
        push(t1);
        break;
    case Opcodes.DUP_X1:
        t1 = pop();
        t2 = pop();
        push(t1);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP_X2:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        push(t1);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2:
        t1 = pop();
        t2 = pop();
        push(t2);
        push(t1);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2_X1:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        push(t2);
        push(t1);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.DUP2_X2:
        t1 = pop();
        t2 = pop();
        t3 = pop();
        t4 = pop();
        push(t2);
        push(t1);
        push(t4);
        push(t3);
        push(t2);
        push(t1);
        break;
    case Opcodes.SWAP:
        t1 = pop();
        t2 = pop();
        push(t1);
        push(t2);
        break;
    default:
        throw new IllegalArgumentException();
    }
    mv.visitInsn(opcode);
}

---

From source file:org.jacoco.core.internal.instr.FrameTracker.java

License:Open Source License

@Override
public void visitIntInsn(final int opcode, final int operand) {
    switch (opcode) {
    case Opcodes.BIPUSH:
    case Opcodes.SIPUSH:
        push(Opcodes.INTEGER);
        break;//from  w w  w.j  a va  2s. c  o m
    case Opcodes.NEWARRAY:
        pop(1);
        switch (operand) {
        case Opcodes.T_BOOLEAN:
            push("[Z");
            break;
        case Opcodes.T_CHAR:
            push("[C");
            break;
        case Opcodes.T_FLOAT:
            push("[F");
            break;
        case Opcodes.T_DOUBLE:
            push("[D");
            break;
        case Opcodes.T_BYTE:
            push("[B");
            break;
        case Opcodes.T_SHORT:
            push("[S");
            break;
        case Opcodes.T_INT:
            push("[I");
            break;
        case Opcodes.T_LONG:
            push("[J");
            break;
        default:
            throw new IllegalArgumentException();
        }
        break;
    default:
        throw new IllegalArgumentException();
    }
    mv.visitIntInsn(opcode, operand);
}

---

From source file:org.jacoco.core.internal.instr.FrameTracker.java

License:Open Source License

@Override
public void visitVarInsn(final int opcode, final int var) {
    final Object t;
    switch (opcode) {
    case Opcodes.ALOAD:
        push(get(var));
        break;//from w w w .  j av a2 s  .c  om
    case Opcodes.ILOAD:
        push(Opcodes.INTEGER);
        break;
    case Opcodes.FLOAD:
        push(Opcodes.FLOAT);
        break;
    case Opcodes.LLOAD:
        push(Opcodes.LONG);
        push(Opcodes.TOP);
        break;
    case Opcodes.DLOAD:
        push(Opcodes.DOUBLE);
        push(Opcodes.TOP);
        break;
    case Opcodes.ASTORE:
    case Opcodes.ISTORE:
    case Opcodes.FSTORE:
        t = pop();
        set(var, t);
        break;
    case Opcodes.LSTORE:
    case Opcodes.DSTORE:
        pop(1);
        t = pop();
        set(var, t);
        set(var + 1, Opcodes.TOP);
        break;
    default:
        throw new IllegalArgumentException();
    }
    mv.visitVarInsn(opcode, var);
}

---

From source file:org.jacoco.core.internal.instr.FrameTracker.java

License:Open Source License

@Override
public void visitTypeInsn(final int opcode, final String type) {
    switch (opcode) {
    case Opcodes.NEW:
        final Label label = new Label();
        mv.visitLabel(label);/*w  w w .  j a va 2s  . c  o m*/
        push(label);
        break;
    case Opcodes.ANEWARRAY:
        pop(1);
        push('[' + Type.getObjectType(type).getDescriptor());
        break;
    case Opcodes.CHECKCAST:
        pop(1);
        push(type);
        break;
    case Opcodes.INSTANCEOF:
        pop(1);
        push(Opcodes.INTEGER);
        break;
    default:
        throw new IllegalArgumentException();
    }
    mv.visitTypeInsn(opcode, type);
}

---

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