Example usage for org.objectweb.asm Opcodes IFNULL

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

  1. HOME
  2. Java
  3. org.objectweb.asm
  4. org.objectweb.asm.*
  5. Opcodes
  6. IFNULL

Introduction

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

Prototype

int IFNULL

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

Click Source Link

Usage

From source file:org.adjective.stout.operation.JumpOperation.java

License:Apache License

public void getInstructions(ExecutionStack stack, InstructionCollector collector) {
    switch (_op) {
    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
        checkExpression(TypeDescriptor.INT, stack);
        break;/* www  .  j  ava  2 s  .c  o m*/
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        checkExpression(TypeDescriptor.OBJECT, stack);
        break;
    default:
        throw new IllegalStateException("Do not know how to handle jump opcode " + getOpcodeDescription(_op));
    }
    _expression.getInstructions(stack, collector);
    collector.add(new JumpInstruction(_op, _label));
}

From source file:org.apache.cxf.binding.corba.utils.CorbaAnyHelper.java

License:Apache License

private static void addReadOverride(ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "read_value",
            "(Lorg/omg/CORBA/portable/InputStream;Lorg/omg/CORBA/TypeCode;)V", null, null);
    mv.visitCode();/*  w w w. j a  v a  2 s. c o m*/
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(54, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.IFNULL, l1);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLineNumber(55, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "org/omg/CORBA/portable/Streamable", "_read",
            "(Lorg/omg/CORBA/portable/InputStream;)V");
    Label l3 = new Label();
    mv.visitJumpInsn(Opcodes.GOTO, l3);
    mv.visitLabel(l1);
    mv.visitLineNumber(57, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "read_value",
            "(Lorg/omg/CORBA/portable/InputStream;Lorg/omg/CORBA/TypeCode;)V");
    mv.visitLabel(l3);
    mv.visitLineNumber(59, l3);
    mv.visitInsn(Opcodes.RETURN);
    Label l4 = new Label();
    mv.visitLabel(l4);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l4, 0);
    mv.visitLocalVariable("is", "Lorg/omg/CORBA/portable/InputStream;", null, l0, l4, 1);
    mv.visitLocalVariable("t", "Lorg/omg/CORBA/TypeCode;", null, l0, l4, 2);
    mv.visitMaxs(3, 3);
    mv.visitEnd();
}

From source file:org.apache.cxf.binding.corba.utils.CorbaAnyHelper.java

License:Apache License

private static void addWriteOverride(ClassWriter cw) {
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "write_value",
            "(Lorg/omg/CORBA/portable/OutputStream;)V", null, null);
    mv.visitCode();/*from w  w  w. ja  v a  2  s  . co  m*/
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(61, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.IFNULL, l1);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLineNumber(62, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "org/omg/CORBA/portable/Streamable", "_write",
            "(Lorg/omg/CORBA/portable/OutputStream;)V");
    Label l3 = new Label();
    mv.visitJumpInsn(Opcodes.GOTO, l3);
    mv.visitLabel(l1);
    mv.visitLineNumber(64, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "write_value",
            "(Lorg/omg/CORBA/portable/OutputStream;)V");
    mv.visitLabel(l3);
    mv.visitLineNumber(66, l3);
    mv.visitInsn(Opcodes.RETURN);
    Label l4 = new Label();
    mv.visitLabel(l4);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l4, 0);
    mv.visitLocalVariable("os", "Lorg/omg/CORBA/portable/OutputStream;", null, l0, l4, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();

}

From source file:org.apache.cxf.binding.corba.utils.CorbaAnyHelper.java

License:Apache License

private static void addExtractOverride(ClassWriter cw) {
    // TODO Auto-generated method stub
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "extract_Streamable",
            "()Lorg/omg/CORBA/portable/Streamable;", null, null);
    mv.visitCode();//  w w  w. j a  v  a  2s  .c om
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(47, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.IFNULL, l1);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLineNumber(48, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/binding/corba/utils/FixedAnyImpl", "obj",
            "Lorg/omg/CORBA/portable/Streamable;");
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l1);
    mv.visitLineNumber(50, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/corba/se/impl/corba/AnyImpl", "extract_Streamable",
            "()Lorg/omg/CORBA/portable/Streamable;");
    mv.visitInsn(Opcodes.ARETURN);
    Label l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/binding/corba/utils/FixedAnyImpl;", null, l0, l3, 0);
    mv.visitMaxs(1, 1);
    mv.visitEnd();

}

From source file:org.apache.cxf.jaxb.JAXBUtils.java

License:Apache License

private static Class<?> createNamespaceWrapperInternal(ASMHelper helper, ClassWriter cw) {
    String className = "org.apache.cxf.jaxb.NamespaceMapperInternal";
    FieldVisitor fv;//from   w  w  w . j  a  v  a2s .co  m
    MethodVisitor mv;
    cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL + Opcodes.ACC_SUPER,
            "org/apache/cxf/jaxb/NamespaceMapperInternal", null,
            "com/sun/xml/internal/bind/marshaller/NamespacePrefixMapper", null);

    cw.visitSource("NamespaceMapper.java", null);

    fv = cw.visitField(Opcodes.ACC_PRIVATE + Opcodes.ACC_FINAL, "nspref", "Ljava/util/Map;",
            "Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;", null);
    fv.visitEnd();

    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "(Ljava/util/Map;)V",
            "(Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;)V", null);
    mv.visitCode();
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(30, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/sun/xml/internal/bind/marshaller/NamespacePrefixMapper",
            "<init>", "()V");
    Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLineNumber(31, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "org/apache/cxf/jaxb/NamespaceMapperInternal", "nspref",
            "Ljava/util/Map;");
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitLineNumber(32, l2);
    mv.visitInsn(Opcodes.RETURN);
    Label l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/jaxb/NamespaceMapperInternal;", null, l0, l3, 0);
    mv.visitLocalVariable("nspref", "Ljava/util/Map;", "Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;",
            l0, l3, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();

    mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "getPreferredPrefix",
            "(Ljava/lang/String;Ljava/lang/String;Z)Ljava/lang/String;", null, null);
    mv.visitCode();
    l0 = new Label();
    mv.visitLabel(l0);
    mv.visitLineNumber(38, l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "org/apache/cxf/jaxb/NamespaceMapperInternal", "nspref",
            "Ljava/util/Map;");
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Map", "get",
            "(Ljava/lang/Object;)Ljava/lang/Object;");
    mv.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/String");
    mv.visitVarInsn(Opcodes.ASTORE, 4);
    l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLineNumber(39, l1);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    l2 = new Label();
    mv.visitJumpInsn(Opcodes.IFNULL, l2);
    l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLineNumber(40, l3);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l2);
    mv.visitLineNumber(42, l2);
    mv.visitVarInsn(Opcodes.ALOAD, 2);
    mv.visitInsn(Opcodes.ARETURN);
    Label l4 = new Label();
    mv.visitLabel(l4);
    mv.visitLocalVariable("this", "Lorg/apache/cxf/jaxb/NamespaceMapperInternal;", null, l0, l4, 0);
    mv.visitLocalVariable("namespaceUri", "Ljava/lang/String;", null, l0, l4, 1);
    mv.visitLocalVariable("suggestion", "Ljava/lang/String;", null, l0, l4, 2);
    mv.visitLocalVariable("requirePrefix", "Z", null, l0, l4, 3);
    mv.visitLocalVariable("prefix", "Ljava/lang/String;", null, l1, l4, 4);
    mv.visitMaxs(2, 5);
    mv.visitEnd();
    cw.visitEnd();

    byte bts[] = cw.toByteArray();
    return helper.loadClass(className, JAXBUtils.class, bts);
}

From source file:org.apache.cxf.jaxb.WrapperHelperCompiler.java

License:Apache License

private void doCollection(MethodVisitor mv, int x) {
    // List aVal = obj.getA();
    // List newA = (List)lst.get(99);
    // if (aVal == null) {
    // obj.setA(newA);
    // } else if (newA != null) {
    // aVal.addAll(newA);
    // }/*from   w  w w.jav a  2 s .co  m*/

    Label l3 = new Label();
    mv.visitLabel(l3);
    mv.visitLineNumber(114, l3);

    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, periodToSlashes(wrapperType.getName()), getMethods[x].getName(),
            getMethodSignature(getMethods[x]));
    mv.visitVarInsn(Opcodes.ASTORE, 3);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitIntInsn(Opcodes.BIPUSH, x);
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "get", "(I)Ljava/lang/Object;");
    mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/List");
    mv.visitVarInsn(Opcodes.ASTORE, 4);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    Label nonNullLabel = new Label();
    mv.visitJumpInsn(Opcodes.IFNONNULL, nonNullLabel);

    if (setMethods[x] == null) {
        mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException");
        mv.visitInsn(Opcodes.DUP);
        mv.visitLdcInsn(getMethods[x].getName() + " returned null and there isn't a set method.");
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException", "<init>",
                "(Ljava/lang/String;)V");
        mv.visitInsn(Opcodes.ATHROW);
    } else {
        mv.visitVarInsn(Opcodes.ALOAD, 2);
        mv.visitVarInsn(Opcodes.ALOAD, 4);
        mv.visitTypeInsn(Opcodes.CHECKCAST, getMethods[x].getReturnType().getName().replace('.', '/'));
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, periodToSlashes(wrapperType.getName()),
                setMethods[x].getName(), getMethodSignature(setMethods[x]));
    }
    Label jumpOverLabel = new Label();
    mv.visitJumpInsn(Opcodes.GOTO, jumpOverLabel);
    mv.visitLabel(nonNullLabel);
    mv.visitLineNumber(106, nonNullLabel);

    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitJumpInsn(Opcodes.IFNULL, jumpOverLabel);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "addAll", "(Ljava/util/Collection;)Z");
    mv.visitInsn(Opcodes.POP);
    mv.visitLabel(jumpOverLabel);
    mv.visitLineNumber(107, jumpOverLabel);
}

From source file:org.batoo.jpa.core.impl.instance.Enhancer.java

License:Open Source License

private static void createMethodCheck(final String enhancedClassName, final String descEnhancer,
        final ClassWriter cw) {
    final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PRIVATE, Enhancer.METHOD_ENHANCED_CHECK,
            Enhancer.makeDescription(Void.TYPE), null, null);
    mv.visitCode();/*from  w w w .j  a v  a  2  s .  co m*/

    final Label lCheckInternal = new Label();
    final Label lCheckInitialized = new Label();
    final Label lReturn = new Label();
    final Label lFind = new Label();
    final Label lInitialized = new Label();
    final Label lChanged = new Label();
    final Label lOut = new Label();

    // if (!this.__enhanced__$$__internal) { return }
    mv.visitLabel(lCheckInternal);
    mv.visitFrame(Opcodes.F_NEW, 1, new Object[] { enhancedClassName }, 0, new Object[] {});
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_INTERNAL,
            Enhancer.DESCRIPTOR_BOOLEAN);
    mv.visitJumpInsn(Opcodes.IFEQ, lCheckInitialized);
    mv.visitInsn(Opcodes.RETURN);

    // if (!this.__enhanced__$$__initialized) {
    mv.visitLabel(lCheckInitialized);
    mv.visitFrame(Opcodes.F_NEW, 1, new Object[] { enhancedClassName }, 0, new Object[] {});
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_INITIALIZED,
            Enhancer.DESCRIPTOR_BOOLEAN);
    mv.visitJumpInsn(Opcodes.IFNE, lChanged);

    //     if (this.__enhanced_$$__session == null)
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_SESSION,
            Enhancer.DESCRIPTOR_SESSION);
    mv.visitJumpInsn(Opcodes.IFNONNULL, lFind);

    //         throw new PersistenceException("No session to initialize the instance");
    mv.visitTypeInsn(Opcodes.NEW, Enhancer.INTERNAL_PERSISTENCE_EXCEPTION);
    mv.visitInsn(Opcodes.DUP);
    mv.visitLdcInsn("No session to initialize the instance");
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, Enhancer.INTERNAL_PERSISTENCE_EXCEPTION,
            Enhancer.CONSTRUCTOR_INIT, Enhancer.makeDescription(Void.TYPE, String.class));
    mv.visitInsn(Opcodes.ATHROW);

    //       this.__enhanced_$$__session.getEntityManager().find(this.__enhanced_$$__type, this.__enhanced__$$__id);
    mv.visitLabel(lFind);
    mv.visitFrame(Opcodes.F_NEW, 1, new Object[] { enhancedClassName }, 0, new Object[] {});
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_SESSION,
            Enhancer.DESCRIPTOR_SESSION);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Enhancer.INTERNAL_SESSION, Enhancer.METHOD_GET_ENTITY_MANAGER,
            Enhancer.makeDescription(EntityManagerImpl.class));
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_TYPE,
            Enhancer.DESCRIPTOR_CLASS);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_ID,
            Enhancer.DESCRIPTOR_OBJECT);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Enhancer.INTERNAL_ENTITY_MANAGER, Enhancer.METHOD_FIND,
            Enhancer.makeDescription(Object.class, Class.class, Object.class));
    mv.visitInsn(Opcodes.POP);

    //   this.__enhanced__$$__initialized = true;
    mv.visitLabel(lInitialized);
    mv.visitFrame(Opcodes.F_NEW, 1, new Object[] { enhancedClassName }, 0, new Object[] {});
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.ICONST_1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_INITIALIZED,
            Enhancer.DESCRIPTOR_BOOLEAN);

    // if (this.__enhanced_$$__session != null)
    mv.visitLabel(lChanged);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_SESSION,
            Enhancer.DESCRIPTOR_SESSION);
    mv.visitJumpInsn(Opcodes.IFNULL, lReturn);

    //     this.__enhanced__$$__managedInstance.changed();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, enhancedClassName, Enhancer.FIELD_ENHANCED_MANAGED_INSTANCE,
            Enhancer.DESCRIPTOR_MANAGED_INSTANCE);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Enhancer.INTERNAL_MANAGED_INSTANCE, Enhancer.METHOD_CHANGED,
            Enhancer.makeDescription(Void.TYPE));

    // return;
    mv.visitLabel(lReturn);
    mv.visitFrame(Opcodes.F_NEW, 1, new Object[] { enhancedClassName }, 0, new Object[] {});
    mv.visitInsn(Opcodes.RETURN);

    mv.visitLabel(lOut);
    mv.visitLocalVariable(Enhancer.THIS, descEnhancer, null, lCheckInternal, lOut, 0);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

From source file:org.decojer.cavaj.readers.asm.ReadMethodVisitor.java

License:Open Source License

@Override
public void visitJumpInsn(final int opcode, final Label label) {
    T t = null;// w w  w. j  a  v a2 s .  co  m
    Object oValue = null;

    final int targetPc = getPc(label);

    switch (opcode) {
    /********
     * GOTO *
     ********/
    case Opcodes.GOTO: {
        final GOTO op = new GOTO(this.ops.size(), opcode, this.line);
        add(op);
        op.setTargetPc(targetPc);
        if (targetPc < 0) {
            getUnresolved(label).add(op);
        }
        break;
    }
    /********
     * JCMP *
     ********/
    case Opcodes.IF_ACMPEQ:
        t = T.REF;
        oValue = CmpType.T_EQ;
        // fall through
    case Opcodes.IF_ACMPNE:
        if (t == null) {
            t = T.REF;
            oValue = CmpType.T_NE;
        }
        // fall through
    case Opcodes.IF_ICMPEQ:
        if (t == null) {
            t = T.AINT; // boolean too
            oValue = CmpType.T_EQ;
        }
        // fall through
    case Opcodes.IF_ICMPGE:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_GE;
        }
        // fall through
    case Opcodes.IF_ICMPGT:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_GT;
        }
        // fall through
    case Opcodes.IF_ICMPLE:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_LE;
        }
        // fall through
    case Opcodes.IF_ICMPLT:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_LT;
        }
        // fall through
    case Opcodes.IF_ICMPNE:
        if (t == null) {
            t = T.AINT; // boolean too
            oValue = CmpType.T_NE;
        } {
        assert oValue instanceof CmpType;
        final JCMP op = new JCMP(this.ops.size(), opcode, this.line, t, (CmpType) oValue);
        add(op);
        op.setTargetPc(targetPc);
        if (targetPc < 0) {
            getUnresolved(label).add(op);
        }
    }
        break;
    /********
     * JCND *
     ********/
    case Opcodes.IFNULL:
        t = T.REF;
        oValue = CmpType.T_EQ;
        // fall through
    case Opcodes.IFNONNULL:
        if (t == null) {
            t = T.REF;
            oValue = CmpType.T_NE;
        }
        // fall through
    case Opcodes.IFEQ:
        if (t == null) {
            t = T.AINT; // boolean too
            oValue = CmpType.T_EQ;
        }
        // fall through
    case Opcodes.IFGE:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_GE;
        }
        // fall through
    case Opcodes.IFGT:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_GT;
        }
        // fall through
    case Opcodes.IFLE:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_LE;
        }
        // fall through
    case Opcodes.IFLT:
        if (t == null) {
            t = T.INT;
            oValue = CmpType.T_LT;
        }
        // fall through
    case Opcodes.IFNE:
        if (t == null) {
            t = T.AINT; // boolean too
            oValue = CmpType.T_NE;
        } {
        assert oValue instanceof CmpType;
        final JCND op = new JCND(this.ops.size(), opcode, this.line, t, (CmpType) oValue);
        add(op);
        op.setTargetPc(targetPc);
        if (targetPc < 0) {
            getUnresolved(label).add(op);
        }
    }
        break;
    /*******
     * JSR *
     *******/
    case Opcodes.JSR: {
        final JSR op = new JSR(this.ops.size(), opcode, this.line);
        add(op);
        op.setTargetPc(targetPc);
        if (targetPc < 0) {
            getUnresolved(label).add(op);
        }
        break;
    }
    default:
        log.warn(getM() + ": Unknown jump insn opcode '" + opcode + "'!");
    }
}

From source file:org.evosuite.graphs.cfg.ASMWrapper.java

License:Open Source License

/**
 * <p>/*from  w ww  .  j  a v  a 2  s  .com*/
 * isIfNull
 * </p>
 * 
 * @return a boolean.
 */
public boolean isIfNull() {
    if (asmNode instanceof JumpInsnNode) {
        return (asmNode.getOpcode() == Opcodes.IFNULL);
    }
    return false;
}

From source file:org.evosuite.graphs.cfg.BytecodeInstructionPool.java

License:Open Source License

/**
 * Determine how many bytes the current instruction occupies together with
 * its operands// ww  w.  ja  v  a 2  s.  com
 * 
 * @return
 */
private int getBytecodeIncrement(AbstractInsnNode instructionNode) {
    int opcode = instructionNode.getOpcode();
    switch (opcode) {
    case Opcodes.ALOAD: // index
    case Opcodes.ASTORE: // index
    case Opcodes.DLOAD:
    case Opcodes.DSTORE:
    case Opcodes.FLOAD:
    case Opcodes.FSTORE:
    case Opcodes.ILOAD:
    case Opcodes.ISTORE:
    case Opcodes.LLOAD:
    case Opcodes.LSTORE:
        VarInsnNode varNode = (VarInsnNode) instructionNode;
        if (varNode.var > 3)
            return 1;
        else
            return 0;
    case Opcodes.BIPUSH: // byte
    case Opcodes.NEWARRAY:
    case Opcodes.RET:
        return 1;
    case Opcodes.LDC:
        LdcInsnNode ldcNode = (LdcInsnNode) instructionNode;
        if (ldcNode.cst instanceof Double || ldcNode.cst instanceof Long)
            return 2; // LDC2_W
        else
            return 1;
    case 19: //LDC_W
    case 20: //LDC2_W
        return 2;
    case Opcodes.ANEWARRAY: // indexbyte1, indexbyte2
    case Opcodes.CHECKCAST: // indexbyte1, indexbyte2
    case Opcodes.GETFIELD:
    case Opcodes.GETSTATIC:
    case Opcodes.GOTO:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IFLE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFNE:
    case Opcodes.IFEQ:
    case Opcodes.IFNONNULL:
    case Opcodes.IFNULL:
    case Opcodes.IINC:
    case Opcodes.INSTANCEOF:
    case Opcodes.INVOKESPECIAL:
    case Opcodes.INVOKESTATIC:
    case Opcodes.INVOKEVIRTUAL:
    case Opcodes.JSR:
    case Opcodes.NEW:
    case Opcodes.PUTFIELD:
    case Opcodes.PUTSTATIC:
    case Opcodes.SIPUSH:
        // case Opcodes.LDC_W
        // case Opcodes.LDC2_W

        return 2;
    case Opcodes.MULTIANEWARRAY:
        return 3;
    case Opcodes.INVOKEDYNAMIC:
    case Opcodes.INVOKEINTERFACE:
        return 4;

    case Opcodes.LOOKUPSWITCH:
    case Opcodes.TABLESWITCH:
        // TODO: Could be more
        return 4;
    // case Opcodes.GOTO_W 
    // case Opcodes.JSR_W
    }
    return 0;
}