Package serp.bytecode

Examples of serp.bytecode.Code.dup()

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        FieldMetaData[] fmds = _meta.getFields();
        for (int i = 0; i < fmds.length; i++) {
            if (fmds[i].isTransient())
                continue;
            // o.<field> = this.<field> (or reflective analog)
            code.dup(); // for putfield
            code.aload().setThis(); // for getfield
            getfield(code, _managedType, fmds[i].getName());
            putfield(code, _managedType, fmds[i].getName(),
                fmds[i].getDeclaredType());
        }
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            type = fmds[i].getObjectIdFieldType();
            if (!fieldManager
                && fmds[i].getDeclaredTypeCode() == JavaTypes.PC) {
                // sm.getPCPrimaryKey(oid, i + pcInheritedFieldCount);
                loadManagedInstance(code, false);
                code.dup(); // leave orig on stack to set value into
                code.getfield().setField(SM, SMTYPE);
                code.aload().setLocal(id);
                code.constant().setValue(i);
                code.getstatic().setField(INHERIT, int.class);
                code.iadd();
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                } else
                    loadManagedInstance(code, false);

                if (unwrapped != type) {
                    code.anew().setType(type);
                    code.dup();
                }
                code.aload().setLocal(id);
                if (_meta.isOpenJPAIdentity()) {
                    if (oidType == ObjectId.class) {
                        code.invokevirtual().setMethod(oidType, "getId",
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        if (obj && usesClsString == null) {
            // throw new IllegalArgumentException (...);
            String msg = _loc.get("str-cons", oidType,
                _meta.getDescribedType()).getMessage();
            code.anew().setType(IllegalArgumentException.class);
            code.dup();
            code.constant().setValue(msg);
            code.invokespecial().setMethod(IllegalArgumentException.class,
                "<init>", void.class, new Class[]{ String.class });
            code.athrow();
            code.vreturn();
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        }

        if (!_meta.isOpenJPAIdentity() && _meta.isObjectIdTypeShared()) {
            // new ObjectId (cls, oid)
            code.anew().setType(ObjectId.class);
            code.dup();
            code.classconstant().setClass(getType(_meta));
        }

        // new <oid class> ();
        code.anew().setType(oidType);
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            code.classconstant().setClass(getType(_meta));
        }

        // new <oid class> ();
        code.anew().setType(oidType);
        code.dup();
        if (_meta.isOpenJPAIdentity() || (obj && usesClsString == Boolean.TRUE))
            code.classconstant().setClass(getType(_meta));
        if (obj) {
            code.aload().setParam(0);
            code.checkcast().setType(String.class);
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        // find calls to the template instruction; on match
        // clone will be on stack
        code.beforeFirst();
        if (code.searchForward(template)) {
            // ((<type>) clone).pcStateManager = null;
            code.dup();
            code.checkcast().setType(_pc);
            code.constant().setNull();
            code.putfield().setField(SM, SMTYPE);

            // if modified, increase stack
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            new Class[] {Object.class});
        m.makePublic();
        Code code = m.getCode(true);

        code.anew().setType(type);
        code.dup();
        if (params.length == 1) {
            code.aload().setParam(0);
            code.checkcast().setType(params[0]);
        }
        code.invokespecial().setMethod(type, "<init>", void.class, params);
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            code.aload().setParam(0);
            code.checkcast().setType(params[0]);
        }
        code.invokespecial().setMethod(type, "<init>", void.class, params);
        if (params.length == 0) {
            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Calendar.class);
            code.invokevirtual().setMethod(Calendar.class, "getTimeInMillis",
                long.class, null);
            code.invokevirtual().setMethod(type, "setTimeInMillis", void.class,
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            code.invokevirtual().setMethod(Calendar.class, "getTimeInMillis",
                long.class, null);
            code.invokevirtual().setMethod(type, "setTimeInMillis", void.class,
                new Class[] { long.class });

            code.dup();
            code.aload().setParam(0);
            code.checkcast().setType(Calendar.class);
            code.invokevirtual().setMethod(Calendar.class, "isLenient",
                boolean.class, null);
            code.invokevirtual().setMethod(type, "setLenient", void.class,
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