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

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

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

org.apache.jdo.impl.enhancer.classfile.ConstFieldRef
ConstFieldRef represents a reference to a field of some class in the constant pool of a class file.


        // generate the assignment statements
        int maxFieldSize = 0;
        for (int i = 0; i < keyFieldCount; i++) {
            // assign key field
            final ConstFieldRef thisClassKeyRef = keyFieldRefs[i];
            final ConstFieldRef keyClassKeyRef = keyClassKeyFieldRefs[i];
            affirm(thisClassKeyRef != null);
            affirm(keyClassKeyRef != null);
            if (isToOid) {
                insn = insn.append(Insn.create(opc_aload_2));
                insn = insn.append(Insn.create(opc_aload_0));

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        // generate the field access statements
        for (int i = 0; i < keyFieldCount; i++) {
            // get field no, constant field ref, and signature for field
            final int no = keyFieldIndexes[i];
            final ConstFieldRef ref = keyFieldRefs[i];
            affirm(ref != null);
            final String sig = ref.nameAndType().signature().asString();
            affirm(sig != null && sig.length() > 0);


            // compute stack demand
            sizeHolder.size = max(sizeHolder.size,
                                  Descriptor.countFieldWords(sig));

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        // generate the field access statements
        for (int i = 0; i < keyFieldCount; i++) {
            // get field no, constant field ref, and signature for field
            final int no = keyFieldIndexes[i];
            final ConstFieldRef ref = keyFieldRefs[i];
            affirm(ref != null);
            final String sig = ref.nameAndType().signature().asString();
            affirm(sig != null && sig.length() > 0);


            // compute stack demand
            sizeHolder.size = max(sizeHolder.size,
                                  Descriptor.countFieldWords(sig));

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        // begin of method body
        final InsnTarget begin = new InsnTarget();
        Insn insn = begin;


        final ConstFieldRef fieldRef = getAnnotatedFieldRefs()[fieldIndex];
        affirm(fieldRef != null);
        final String sig = fieldRef.nameAndType().signature().asString();
        affirm(sig != null && sig.length() > 0);
        final int fieldSize = ((sig.equals("J") || sig.equals("D")) ? 2 : 1);


        // return direct read
        insn = appendDirectReadReturn(insn, fieldRef);

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        // begin of method body
        final InsnTarget begin = new InsnTarget();
        Insn insn = begin;


        // get field's sig and compute first non-parameter slot
        final ConstFieldRef fieldRef = getAnnotatedFieldRefs()[fieldIndex];
        affirm(fieldRef != null);
        final String sig = fieldRef.nameAndType().signature().asString();
        affirm(sig != null && sig.length() > 0);
        final int fieldSize = ((sig.equals("J") || sig.equals("D")) ? 2 : 1);
        final int varStart = 1;


        // mediate access

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        // begin of method body
        final InsnTarget begin = new InsnTarget();
        Insn insn = begin;


        // get field's sig and compute first non-parameter slot
        final ConstFieldRef fieldRef = getAnnotatedFieldRefs()[fieldIndex];
        affirm(fieldRef != null);
        final String sig = fieldRef.nameAndType().signature().asString();
        affirm(sig != null && sig.length() > 0);
        final int fieldSize = ((sig.equals("J") || sig.equals("D")) ? 2 : 1);
        final int varStart = 1;


        // directly return field if flags are <= LOAD_REQUIRED

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        // begin of method body
        final InsnTarget begin = new InsnTarget();
        Insn insn = begin;


        final ConstFieldRef fieldRef = getAnnotatedFieldRefs()[fieldIndex];
        affirm(fieldRef != null);


        // write argument to field and return
        insn = appendDirectWriteReturn(insn, fieldRef);

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        // begin of method body
        final InsnTarget begin = new InsnTarget();
        Insn insn = begin;


        // get field's sig and compute first non-parameter slot
        final ConstFieldRef fieldRef = getAnnotatedFieldRefs()[fieldIndex];
        affirm(fieldRef != null);
        final String sig = fieldRef.nameAndType().signature().asString();
        affirm(sig != null && sig.length() > 0);
        final int fieldSize = ((sig.equals("J") || sig.equals("D")) ? 2 : 1);
        final int varStart = fieldSize + 1;


        // mediate access

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        // begin of method body
        final InsnTarget begin = new InsnTarget();
        Insn insn = begin;


        // get field's sig and compute first non-parameter slot
        final ConstFieldRef fieldRef = getAnnotatedFieldRefs()[fieldIndex];
        affirm(fieldRef != null);
        final String sig = fieldRef.nameAndType().signature().asString();
        affirm(sig != null && sig.length() > 0);
        final int fieldSize = ((sig.equals("J") || sig.equals("D")) ? 2 : 1);
        final int varStart = fieldSize + 1;


        // directly write argument and retrurn if flags are != READ_WRITE_OK

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                                 boolean jdoMethod) 
        throws EnhancerMetaDataUserException, EnhancerMetaDataFatalError
    {
        // get the instruction arguments
        final InsnConstOp fieldInsn = (InsnConstOp)insn;
        final ConstFieldRef fieldRef = (ConstFieldRef)fieldInsn.value();
        final ConstClass declClass = fieldRef.className();
        final String declClassName = declClass.asString();
        final ConstNameAndType fieldNameAndType = fieldRef.nameAndType();
        final String fieldName = fieldNameAndType.name().asString();
        final String fieldType = fieldNameAndType.signature().asString();


        // check if field is known to be non-managed or not annotatable
        final int res;

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Related Classes of org.apache.jdo.impl.enhancer.classfile.ConstFieldRef

org.apache.jdo.impl.enhancer.core.Annotater

org.apache.jdo.impl.enhancer.core.Builder

org.apache.jdo.impl.enhancer.util.AnnotationTest

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