Examples of org.apache.jdo.impl.enhancer.classfile.AttributeVector

Package org.apache.jdo.impl.enhancer.classfile

Examples of org.apache.jdo.impl.enhancer.classfile.AttributeVector

org.apache.jdo.impl.enhancer.classfile.AttributeVector
A list of attributes within a class file. These lists occur in several places within a class file - at class level - at method level - at field level - at attribute level

        env.message("adding: "
                    + Descriptor.userFieldSig(fieldSig)
                    + " " + fieldName);


        //@olsen: fix 4467428, add synthetic attribute for generated fields
        final AttributeVector fieldAttrs = new AttributeVector();
        fieldAttrs.addElement(
            new SyntheticAttribute(
                pool.addUtf8(SyntheticAttribute.expectedAttrName)));


        // create and add the field
        final ClassField field

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            // get first instruction which always is an instruction target
            affirm(codeAttr.theCode().opcode() == Insn.opc_target);
            final InsnTarget begin = (InsnTarget)codeAttr.theCode();


            // get attributes of the code attribute
            final AttributeVector codeSpecificAttrs = codeAttr.attributes();
            affirm(codeSpecificAttrs != null);
            
            // add dummy line number attribute with first instruction
            codeSpecificAttrs.addElement(
                new LineNumberTableAttribute(
                    pool.addUtf8(LineNumberTableAttribute.expectedAttrName),
                    new short[]{ 0 }, new InsnTarget[]{ begin }));
        }


        // add the method's code and exception attributes
        final AttributeVector methodAttrs = new AttributeVector();
        methodAttrs.addElement(codeAttr);
        if (exceptAttr != null) {
            methodAttrs.addElement(exceptAttr);
        }
        
        //@olsen: fix 4467428, add synthetic attribute for generated methods
        if (addSyntheticAttr) {
            methodAttrs.addElement(
                new SyntheticAttribute(
                    pool.addUtf8(SyntheticAttribute.expectedAttrName)));
        }
        
        // create and add the method

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            final ExceptionsAttribute foundExceptAttr
                = method.exceptionsAttribute();
            if (foundExceptAttr == null) {
                // add the exception attribute
                final AttributeVector methodAttrs = method.attributes();
                affirm(methodAttrs != null);
                methodAttrs.addElement(exceptAttr);
            } else {
                // add those exceptions not already present
                final List foundEx = foundExceptAttr.getExceptions();
                final List newEx = exceptAttr.getExceptions();
                newEx.removeAll(foundEx);

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            = new CodeAttribute(getCodeAttributeUtf8(),
                                3, // maxStack
                                countMethodArgWords(methodSig), // maxLocals
                                begin,
                                new ExceptionTable(),
                                new AttributeVector());
        augmenter.addMethod(methodName, methodSig, accessFlags,
                            codeAttr, exceptAttr);
    }

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            = new CodeAttribute(getCodeAttributeUtf8(),
                                0, // maxStack
                                countMethodArgWords(methodSig), // maxLocals
                                begin,
                                new ExceptionTable(),
                                new AttributeVector());
        augmenter.addMethod(methodName, methodSig, accessFlags,
                            codeAttr, exceptAttr);
    }

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            = new CodeAttribute(getCodeAttributeUtf8(),
                                4, // maxStack
                                3, // maxLocals
                                begin,
                                new ExceptionTable(),
                                new AttributeVector());
        augmenter.addMethod(methodName, methodSig, accessFlags,
                            codeAttr, exceptAttr);
    }

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            = new CodeAttribute(getCodeAttributeUtf8(),
                                3, // maxStack
                                2, // maxLocals
                                begin,
                                new ExceptionTable(),
                                new AttributeVector());
        augmenter.addMethod(methodName, methodSig, accessFlags,
                            codeAttr, exceptAttr);
    }

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            = new CodeAttribute(getCodeAttributeUtf8(),
                                3, // maxStack
                                3, // maxLocals
                                begin,
                                new ExceptionTable(),
                                new AttributeVector());
        augmenter.addMethod(methodName, methodSig, accessFlags,
                            codeAttr, exceptAttr);
    }

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            = new CodeAttribute(getCodeAttributeUtf8(),
                                2, // maxStack
                                2, // maxLocals
                                begin,
                                new ExceptionTable(),
                                new AttributeVector());
        augmenter.addMethod(methodName, methodSig, accessFlags,
                            codeAttr, exceptAttr);
    }

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            = new CodeAttribute(getCodeAttributeUtf8(),
                                1, // maxStack
                                2, // maxLocals
                                begin,
                                new ExceptionTable(),
                                new AttributeVector());
        augmenter.addMethod(methodName, methodSig, accessFlags,
                            codeAttr, exceptAttr);
        
    }

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