Examples of Label

Examples of org.apache.xbean.asm5.Label

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        final MethodVisitor mv = cw.visitMethod(modifier, method.getName(), getMethodSignatureAsString(returnType, parameterTypes), null, null);
        mv.visitCode();

        // push try/catch block, to catch declared exceptions, and to catch java.lang.Throwable
        final Label l0 = new Label();
        final Label l1 = new Label();
        final Label l2 = new Label();

        if (exceptionTypes.length > 0) {
            mv.visitTryCatchBlock(l0, l1, l2, "java/lang/reflect/InvocationTargetException");
        }

        // push try code
        mv.visitLabel(l0);
        final String classNameToOverride = method.getDeclaringClass().getName().replace('.', '/');
        mv.visitLdcInsn(Type.getType("L" + classNameToOverride + ";"));

        // the following code generates the bytecode for this line of Java:
        // Method method = <proxy>.class.getMethod("add", new Class[] { <array of function argument classes> });

        // get the method name to invoke, and push to stack
        mv.visitLdcInsn(method.getName());

        // create the Class[]
        createArrayDefinition(mv, parameterTypes.length, Class.class);

        int length = 1;

        // push parameters into array
        for (int i = 0; i < parameterTypes.length; i++) {
            // keep copy of array on stack
            mv.visitInsn(DUP);

            final Class<?> parameterType = parameterTypes[i];

            // push number onto stack
            pushIntOntoStack(mv, i);

            if (parameterType.isPrimitive()) {
                final String wrapperType = getWrapperType(parameterType);
                mv.visitFieldInsn(GETSTATIC, wrapperType, "TYPE", "Ljava/lang/Class;");
            } else {
                mv.visitLdcInsn(Type.getType(getAsmTypeAsString(parameterType, true)));
            }

            mv.visitInsn(AASTORE);

            if (Long.TYPE.equals(parameterType) || Double.TYPE.equals(parameterType)) {
                length += 2;
            } else {
                length++;
            }
        }

        // invoke getMethod() with the method name and the array of types
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getDeclaredMethod", "(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;", false);

        // store the returned method for later
        mv.visitVarInsn(ASTORE, length);

        // the following code generates bytecode equivalent to:
        // return ((<returntype>) invocationHandler.invoke(this, method, new Object[] { <function arguments }))[.<primitive>Value()];

        final Label l4 = new Label();
        mv.visitLabel(l4);
        mv.visitVarInsn(ALOAD, 0);

        // get the invocationHandler field from this class
        mv.visitFieldInsn(GETFIELD, proxyName, handlerName, "Ljava/lang/reflect/InvocationHandler;");

        // we want to pass "this" in as the first parameter
        mv.visitVarInsn(ALOAD, 0);

        // and the method we fetched earlier
        mv.visitVarInsn(ALOAD, length);

        // need to construct the array of objects passed in

        // create the Object[]
        createArrayDefinition(mv, parameterTypes.length, Object.class);

        int index = 1;
        // push parameters into array
        for (int i = 0; i < parameterTypes.length; i++) {
            // keep copy of array on stack
            mv.visitInsn(DUP);

            final Class<?> parameterType = parameterTypes[i];

            // push number onto stack
            pushIntOntoStack(mv, i);

            if (parameterType.isPrimitive()) {
                final String wrapperType = getWrapperType(parameterType);
                mv.visitVarInsn(getVarInsn(parameterType), index);

                mv.visitMethodInsn(INVOKESTATIC, wrapperType, "valueOf", "(" + getPrimitiveLetter(parameterType) + ")L" + wrapperType + ";", false);
                mv.visitInsn(AASTORE);

                if (Long.TYPE.equals(parameterType) || Double.TYPE.equals(parameterType)) {
                    index += 2;
                } else {
                    index++;
                }
            } else {
                mv.visitVarInsn(ALOAD, index);
                mv.visitInsn(AASTORE);
                index++;
            }
        }

        // invoke the invocationHandler
        mv.visitMethodInsn(INVOKEINTERFACE, "java/lang/reflect/InvocationHandler", "invoke", "(Ljava/lang/Object;Ljava/lang/reflect/Method;[Ljava/lang/Object;)Ljava/lang/Object;", true);

        // cast the result
        mv.visitTypeInsn(CHECKCAST, getCastType(returnType));

        if (returnType.isPrimitive() && !Void.TYPE.equals(returnType)) {
            // get the primitive value
            mv.visitMethodInsn(INVOKEVIRTUAL, getWrapperType(returnType), getPrimitiveMethod(returnType), "()" + getPrimitiveLetter(returnType), false);
        }

        // push return
        mv.visitLabel(l1);
        if (!Void.TYPE.equals(returnType)) {
            mv.visitInsn(getReturnInsn(returnType));
        } else {
            mv.visitInsn(POP);
            mv.visitInsn(RETURN);
        }

        // catch InvocationTargetException
        if (exceptionTypes.length > 0) {
            mv.visitLabel(l2);
            mv.visitVarInsn(ASTORE, length);

            final Label l5 = new Label();
            mv.visitLabel(l5);

            for (int i = 0; i < exceptionTypes.length; i++) {
                final Class<?> exceptionType = exceptionTypes[i];

                mv.visitLdcInsn(Type.getType("L" + exceptionType.getName().replace('.', '/') + ";"));
                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false);

                final Label l6 = new Label();
                mv.visitJumpInsn(IFEQ, l6);

                final Label l7 = new Label();
                mv.visitLabel(l7);

                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
                mv.visitTypeInsn(CHECKCAST, exceptionType.getName().replace('.', '/'));
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Examples of org.aspectj.org.eclipse.jdt.internal.compiler.codegen.Label

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    if (initFailureField != null) {
      // Changes to this exception handling code may require changes to
      // BcelClassWeaver.isInitFailureHandler()
      handlerLabel.placeEnd();
      Label endLabel = new Label(codeStream);
      codeStream.goto_(endLabel);
      handlerLabel.place();
      codeStream.astore_0(); // Bug #52394
        codeStream.aload_0();
      codeStream.putstatic(initFailureField);
      endLabel.place();
    }
   
  }
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Examples of org.beryl.gui.widgets.Label

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   * @return The result (RESULT_YES/RESULT_NO/RESULT_CANCEL)
   */
  public static int showYesNoCancelDialog(Frame frame, String title, String message) throws GUIException {
    YesNoCancelEventListener listener = new YesNoCancelEventListener();
    Dialog dialog = (Dialog) WidgetFactory.getInstance().constructWidget(DialogUtils.class, "YesNoCancelDialog", listener);
    Label label = (Label) dialog.getWidget("DialogCaption");
    label.setProperty("text", message);
    dialog.initDialog(frame);
    dialog.setProperty("title", title);
    dialog.show();
    return listener.getResult();
  }
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Examples of org.codehaus.enunciate.asm.Label

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        return LABEL;
    }

    public Label getLabel() {
        if (label == null) {
            label = new Label();
        }
        return label;
    }
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Examples of org.codehaus.jackson.org.objectweb.asm.Label

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    private static <T extends OptimizedBeanPropertyWriter<T>> void _addGettersUsingIf(MethodVisitor mv,
            List<T> props, String beanClass, int returnOpcode,
            int[] constantOpcodes)
    {
        mv.visitVarInsn(ILOAD, 2); // load second arg (index)
        Label next = new Label();
        // first: check if 'index == 0'
        mv.visitJumpInsn(IFNE, next); // "if not zero, goto L (skip stuff)"

        // call first getter:
        mv.visitVarInsn(ALOAD, 3); // load local for cast bean
        Method method = (Method) (props.get(0).getMember().getMember());
        mv.visitMethodInsn(INVOKEVIRTUAL, beanClass, method.getName(), "()"+Type.getDescriptor(method.getReturnType()));
        mv.visitInsn(returnOpcode);

        // And from this point on, loop a bit
        for (int i = 1, len = props.size(); i < len; ++i) {
            mv.visitLabel(next);
            next = new Label();
            mv.visitVarInsn(ILOAD, 2); // load second arg (index)
            mv.visitInsn(constantOpcodes[i]);
            mv.visitJumpInsn(IF_ICMPNE, next);
            mv.visitVarInsn(ALOAD, 3); // load bean
            method = (Method) (props.get(i).getMember().getMember());
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Examples of org.codehaus.plexus.graph.algorithm.util.Label

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    }

    protected boolean connectsLabels( Graph graph,
                                      Edge e )
    {
        Label first = null;
        Label second = null;

        Iterator vertices = graph.getVertices( e ).iterator();
        if ( vertices.hasNext() )
        {
            first = findLabel( (Vertex) vertices.next() );
        }
        else
        {
            return false;
        }

        if ( vertices.hasNext() )
        {
            second = findLabel( (Vertex) vertices.next() );
        }
        else
        {
            return false;
        }

        if ( vertices.hasNext() )
        {
            throw new HyperGraphException( "Unable to compute MSF on Hypergraph." );
        }

        return !first.getRoot().equals( second.getRoot() );
    }
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Examples of org.codemap.layers.Label

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        for(Point each: points.keySet()) {
            int x = toMapCoords(each.x);
            int y = toMapCoords(each.y);
            org.eclipse.swt.graphics.Point extent = new org.eclipse.swt.graphics.Point(x, y);
            int fontsize = (points.get(each))/3;
            labels.add(new Label(x-20, y-60, extent, fontsize, each.getDocument(), new Location(each, 0, x, y)));
        }
        labeling = new Labeling(labels);
       
        MapInstance mapInstance = configuration.withSize(mapSize, new MapScheme<Double>() {
            @Override
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Examples of org.cojen.classfile.Label

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            for (int i=0; i<caseCount; i++) {
                cases[i] = i;
            }

            Label[] switchLabels = new Label[caseCount];
            Label noMatch = b.createLabel();
            List[] caseMethods = caseMethods(caseCount, properties);
           
            for (int i=0; i<caseCount; i++) {
                List matches = caseMethods[i];
                if (matches == null || matches.size() == 0) {
                    switchLabels[i] = noMatch;
                } else {
                    switchLabels[i] = b.createLabel();
                }
            }

            if (properties.length > 1) {
                b.loadLocal(propertyVar);
                b.invokeVirtual(String.class.getName(), "hashCode", TypeDesc.INT, null);
                b.loadConstant(0x7fffffff);
                b.math(Opcode.IAND);
                b.loadConstant(caseCount);
                b.math(Opcode.IREM);
           
                b.switchBranch(cases, switchLabels, noMatch);
            }
           
            // Params to invoke String.equals.
            TypeDesc[] params = {TypeDesc.OBJECT};
           
            for (int i=0; i<caseCount; i++) {
                List matches = caseMethods[i];
                if (matches == null || matches.size() == 0) {
                    continue;
                }
               
                switchLabels[i].setLocation();
               
                int matchCount = matches.size();
                for (int j=0; j<matchCount; j++) {
                    BeanProperty bp = (BeanProperty)matches.get(j);
                   
                    // Test against name to find exact match.
                   
                    b.loadConstant(bp.getName());
                    b.loadLocal(propertyVar);
                    b.invokeVirtual(String.class.getName(), "equals", TypeDesc.BOOLEAN, params);
                   
                    Label notEqual;
                   
                    if (j == matchCount - 1) {
                        notEqual = null;
                        b.ifZeroComparisonBranch(noMatch, "==");
                    } else {
                        notEqual = b.createLabel();
                        b.ifZeroComparisonBranch(notEqual, "==");
                    }
                   
                    switch (methodType) {
                    case READ_METHOD: case TRY_READ_METHOD: default: {
                        b.loadLocal(beanVar);
                        b.invoke(bp.getReadMethod());
                        TypeDesc type = TypeDesc.forClass(bp.getType());
                        b.convert(type, type.toObjectType());
                        b.returnValue(TypeDesc.OBJECT);
                        break;
                    }
                    case WRITE_METHOD: case TRY_WRITE_METHOD: {
                        b.loadLocal(beanVar);
                        b.loadLocal(valueVar);
                        TypeDesc type = TypeDesc.forClass(bp.getType());
                        b.checkCast(type.toObjectType());
                        b.convert(type.toObjectType(), type);
                        b.invoke(bp.getWriteMethod());
                        if (methodType == WRITE_METHOD) {
                            b.returnVoid();
                        } else {
                            b.loadConstant(true);
                            b.returnValue(TypeDesc.BOOLEAN);
                        }
                        break;
                    }
                    case HAS_READ_METHOD: case HAS_WRITE_METHOD: {
                        b.loadConstant(true);
                        b.returnValue(TypeDesc.BOOLEAN);
                        break;
                    }
                    }
                   
                    if (notEqual != null) {
                        notEqual.setLocation();
                    }
                }
            }
           
            noMatch.setLocation();
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Examples of org.deuce.objectweb.asm.Label

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    final int lockLocal = locals(types, isNonStatic);

    atomicVisitor.visitCode();

    // enter synchronized block
    Label l0 = new Label();
    Label l1 = new Label();
    Label l2 = new Label();
    atomicVisitor.visitTryCatchBlock(l0, l1, l2, null);
    Label l3 = new Label();
    atomicVisitor.visitTryCatchBlock(l2, l3, l2, null);
    atomicVisitor.visitFieldInsn(Opcodes.GETSTATIC, "org/deuce/transaction/global/Lock",
        "lock", "Ljava/lang/Object;");
    atomicVisitor.visitInsn(Opcodes.DUP);
    atomicVisitor.visitVarInsn(Opcodes.ASTORE, lockLocal);
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Examples of org.discogs.model.Label

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  }

  @Override
  protected Label createObject(
      Element constructed) {
    return new Label(constructed,
      client);
  }
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