Package org.jboss.classfilewriter.code

Examples of org.jboss.classfilewriter.code.CodeAttribute.checkcast()

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            if (superclassMethod.getReturnType() != void.class) {
                if (superclassMethod.getReturnType().isPrimitive()) {
                    Boxing.unbox(ca, method.getReturnType());
                } else {
                    ca.checkcast(superclassMethod.getReturnType().getName());
                }
            }
            ca.returnInstruction();
        }
    }
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                    + typeName.substring(1));
            ret = DescriptorUtils.makeDescriptor(returnType);
        }
        ca.invokevirtual(superclass.getName(), invoke, "(Ljava/lang/String;Lorg/jboss/as/jacorb/rmi/marshal/strategy/StubStrategy;[Ljava/lang/Object;)" + ret);
        if (!returnType.isPrimitive() && returnType != Object.class) {
            ca.checkcast(returnType);
        }
        ca.returnInstruction();

        // Generate a static method that initializes the method's strategy field
        final CodeAttribute init = asm.addMethod(Modifier.PRIVATE + Modifier.STATIC,initMethod, "V").getCodeAttribute();
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        //add the bytecode to load the cached fields in the static constructor
        CodeAttribute ca = staticConstructor.getCodeAttribute();
        ca.getstatic(MethodStore.class.getName(), "METHODS", "Ljava/lang/ThreadLocal;");
        ca.invokevirtual(ThreadLocal.class.getName(), "get", "()Ljava/lang/Object;");
        ca.checkcast("[Ljava/lang/reflect/Method;");
        for (int i = 0; i < identifierCount; ++i) {
            ca.dup();
            ca.ldc(i);
            ca.aaload();
            ca.putstatic(getClassName(), METHOD_FIELD_PREFIX + i, METHOD_FIELD_DESCRIPTOR);
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                    + typeName.substring(1));
            ret = DescriptorUtils.makeDescriptor(returnType);
        }
        ca.invokevirtual(superclass.getName(), invoke, "(Ljava/lang/String;Lorg/jboss/as/jacorb/rmi/marshal/strategy/StubStrategy;[Ljava/lang/Object;)" + ret);
        if (!returnType.isPrimitive() && returnType != Object.class) {
            ca.checkcast(returnType);
        }
        ca.returnInstruction();

        // Generate a static method that initializes the method's strategy field
        final CodeAttribute init = asm.addMethod(Modifier.PRIVATE + Modifier.STATIC,initMethod, "V").getCodeAttribute();
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        // this is a self invocation optimisation
        // test to see if this is a self invocation, and if so invokespecial the
        // superclass method directly
        if (addProceed) {
            b.dup();
            b.checkcast(COMBINED_INTERCEPTOR_AND_DECORATOR_STACK_METHOD_HANDLER_CLASS_NAME);
            b.invokevirtual(COMBINED_INTERCEPTOR_AND_DECORATOR_STACK_METHOD_HANDLER_CLASS_NAME, "isDisabledHandler", "()" + DescriptorUtils.BOOLEAN_CLASS_DESCRIPTOR);
            b.iconst(0);
            BranchEnd invokeSuperDirectly = b.ifIcmpeq();
            // now build the bytecode that invokes the super class method
            b.aload(0);
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            } else {
                String castType = methodInfo.getReturnType();
                if (!methodInfo.getReturnType().startsWith("[")) {
                    castType = methodInfo.getReturnType().substring(1).substring(0, methodInfo.getReturnType().length() - 2);
                }
                b.checkcast(castType);
                b.returnInstruction();
            }
        }
    }
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        final CodeAttribute b = classMethod.getCodeAttribute();
        b.aload(0);
        StaticMethodInformation methodInfo = new StaticMethodInformation(INIT_MH_METHOD_NAME, new Class[] { Object.class }, void.class,
                classMethod.getClassFile().getName());
        invokeMethodHandler(classMethod, methodInfo, false, DEFAULT_METHOD_RESOLVER, staticConstructor);
        b.checkcast(MethodHandler.class);
        b.putfield(classMethod.getClassFile().getName(), METHOD_HANDLER_FIELD_NAME, DescriptorUtils.classToStringRepresentation(MethodHandler.class));
        b.returnInstruction();
        BeanLogger.LOG.createdMethodHandlerInitializerForDecoratorProxy(getBeanType());

    }
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        public void getDeclaredMethod(ClassMethod classMethod, String declaringClass, String methodName, String[] parameterTypes, ClassMethod staticConstructor) {
            // get the correct class type to use to resolve the method
            MethodInformation methodInfo = new StaticMethodInformation("getTargetClass", new String[0], LJAVA_LANG_CLASS, TargetInstanceProxy.class.getName());
            invokeMethodHandler(classMethod, methodInfo, false, DEFAULT_METHOD_RESOLVER, staticConstructor);
            CodeAttribute code = classMethod.getCodeAttribute();
            code.checkcast("java/lang/Class");
            // now we have the class on the stack
            code.ldc(methodName);
            // now we need to load the parameter types into an array
            code.iconst(parameterTypes.length);
            code.anewarray(JAVA_LANG_CLASS_CLASS_NAME);
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                // and store it in the array
                code.aastore();
            }
            code.invokestatic(GetDeclaredMethodAction.class.getName(), "of", "(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/Class;)Lorg/jboss/weld/security/GetDeclaredMethodAction;");
            code.invokestatic(AccessController.class.getName(), "doPrivileged", "(Ljava/security/PrivilegedAction;)Ljava/lang/Object;");
            code.checkcast(Method.class);
        }

        static final TargetInstanceBytecodeMethodResolver INSTANCE = new TargetInstanceBytecodeMethodResolver();
    }
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            // and store it in the array
            code.aastore();
        }
        code.invokestatic(GetDeclaredMethodAction.class.getName(), "of", "(Ljava/lang/Class;Ljava/lang/String;[Ljava/lang/Class;)Lorg/jboss/weld/security/GetDeclaredMethodAction;");
        code.invokestatic(AccessController.class.getName(), "doPrivileged", "(Ljava/security/PrivilegedAction;)Ljava/lang/Object;");
        code.checkcast(Method.class);
        code.putstatic(classMethod.getClassFile().getName(), fieldName, LJAVA_LANG_REFLECT_METHOD);

        CodeAttribute methodCode = classMethod.getCodeAttribute();
        methodCode.getstatic(classMethod.getClassFile().getName(), fieldName, LJAVA_LANG_REFLECT_METHOD);
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