Examples of JumpInstruction

com.facebook.presto.byteCode.instruction.JumpInstruction
org.freud.analysed.classbytecode.method.instruction.JumpInstruction
org.teavm.model.instructions.JumpInstruction
@author Alexey Andreev
serp.bytecode.JumpInstruction
An instruction that specifies a position in the code block to jump to. Examples include go2, jsr, etc. @author Abe White

Examples of serp.bytecode.JumpInstruction

            code.vreturn();
        }


        Instruction tmplate = ((Code) AccessController.doPrivileged(
            J2DoPrivHelper.newCodeAction())).vreturn();
        JumpInstruction toret;
        Instruction ret;
        code.beforeFirst();
        while (code.searchForward(tmplate)) {
            ret = code.previous();
            // if (clear) pcSetDetachedState (null);
            code.iload().setLocal(clear);
            toret = code.ifeq();
            loadManagedInstance(code, false);
            code.constant().setNull();
            code.invokevirtual().setMethod(PRE + "SetDetachedState",
                void.class, new Class[]{ Object.class });
            toret.setTarget(ret);
            code.next(); // jump over return
        }
        code.calculateMaxStack();
        code.calculateMaxLocals();
    }

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Examples of serp.bytecode.JumpInstruction


        // if (sm != null)
        //    return (sm.isDetached ()) ? Boolean.TRUE : Boolean.FALSE;
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnull();
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);
        code.invokeinterface().setMethod(SMTYPE, "isDetached",
            boolean.class, null);
        JumpInstruction iffalse = code.ifeq();
        code.getstatic().setField(Boolean.class, "TRUE", Boolean.class);
        code.areturn();
        iffalse.setTarget(code.getstatic().setField(Boolean.class, "FALSE",
            Boolean.class));
        code.areturn();


        // if we use detached state:
        // if (pcGetDetachedState () != null
        //     && pcGetDetachedState != DESERIALIZED)
        //     return Boolean.TRUE;
        Boolean state = _meta.usesDetachedState();
        JumpInstruction notdeser = null;
        Instruction target;
        if (state != Boolean.FALSE) {
            ifins.setTarget(loadManagedInstance(code, false));
            code.invokevirtual().setMethod(PRE + "GetDetachedState",
                Object.class, null);
            ifins = code.ifnull();
            loadManagedInstance(code, false);
            code.invokevirtual().setMethod(PRE + "GetDetachedState",
                Object.class, null);
            code.getstatic().setField(PersistenceCapable.class,
                "DESERIALIZED", Object.class);
            notdeser = code.ifacmpeq();
            code.getstatic().setField(Boolean.class, "TRUE", Boolean.class);
            code.areturn();


            if (state == Boolean.TRUE) {
                // if we have to use detached state:
                // return Boolean.FALSE;
                target = code.getstatic().setField(Boolean.class, "FALSE",
                    Boolean.class);
                ifins.setTarget(target);
                notdeser.setTarget(target);
                code.areturn();
                return;
            }
        }


        // create artificial target to simplify
        target = code.nop();
        ifins.setTarget(target);
        if (notdeser != null)
            notdeser.setTarget(target);


        // allow users with version fields to manually construct a "detached"
        // instance, so check version before taking into account non-existent
        // detached state


        // consider detached if version is non-default
        FieldMetaData version = _meta.getVersionField();
        if (state != Boolean.TRUE && version != null) {
            // if (<version> != <default>)
            //    return true;
            loadManagedInstance(code, false);
            addGetManagedValueCode(code, version);
            ifins = ifDefaultValue(code, version);
            code.getstatic().setField(Boolean.class, "TRUE", Boolean.class);
            code.areturn();
            ifins.setTarget(code.getstatic().setField(Boolean.class, "FALSE",
                Boolean.class));
            code.areturn();
            return;
        }


        // no detached state: if instance uses detached state and it's not
        // synthetic or the instance is not serializable or the state isn't
        // transient, must not be detached
        if (state == null
            && (!ClassMetaData.SYNTHETIC.equals(_meta.getDetachedState())
            || !Serializable.class.isAssignableFrom(_meta.getDescribedType())
            || !_repos.getConfiguration().getDetachStateInstance().
            isDetachedStateTransient())) {
            // return Boolean.FALSE
            code.getstatic().setField(Boolean.class, "FALSE", Boolean.class);
            code.areturn();
            return;
        }


        // no detached state: if instance uses detached state (and must be
        // synthetic and transient in serializable instance at this point),
        // not detached if state not set to DESERIALIZED
        if (state == null) {
            // if (pcGetDetachedState () == null) // instead of DESERIALIZED
            //     return Boolean.FALSE;
            loadManagedInstance(code, false);
            code.invokevirtual().setMethod(PRE + "GetDetachedState",
                Object.class, null);
            ifins = code.ifnonnull();
            code.getstatic().setField(Boolean.class, "FALSE", Boolean.class);
            code.areturn();
            ifins.setTarget(code.nop());
        }


        // consider detached if auto-genned primary keys are non-default
        ifins = null;
        JumpInstruction ifins2 = null;
        if (state != Boolean.TRUE
            && _meta.getIdentityType() == ClassMetaData.ID_APPLICATION) {
            // for each pk field:
            // if (<pk> != <default> [&& !"".equals (<pk>)])
            //    return Boolean.TRUE;
            FieldMetaData[] pks = _meta.getPrimaryKeyFields();
            for (int i = 0; i < pks.length; i++) {
                if (pks[i].getValueStrategy() == ValueStrategies.NONE)
                    continue;


                target = loadManagedInstance(code, false);
                if (ifins != null)
                    ifins.setTarget(target);
                if (ifins2 != null)
                    ifins2.setTarget(target);
                ifins2 = null;


                addGetManagedValueCode(code, pks[i]);
                ifins = ifDefaultValue(code, pks[i]);
                if (pks[i].getDeclaredTypeCode() == JavaTypes.STRING) {
                    code.constant().setValue("");
                    loadManagedInstance(code, false);
                    addGetManagedValueCode(code, pks[i]);
                    code.invokevirtual().setMethod(String.class, "equals",
                        boolean.class, new Class[]{ Object.class });
                    ifins2 = code.ifne();
                }
                code.getstatic().setField(Boolean.class, "TRUE",
                    Boolean.class);
                code.areturn();
            }
        }


        // give up; we just don't know
        target = code.constant().setNull();
        if (ifins != null)
            ifins.setTarget(target);
        if (ifins2 != null)
            ifins2.setTarget(target);
        code.areturn();
    }

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Examples of serp.bytecode.JumpInstruction

        }


        // if (inst.pcStateManager == null) return inst.<field>;
        loadManagedInstance(code, true);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();
        loadManagedInstance(code, true);
        addGetManagedValueCode(code, fmd);
        code.xreturn().setType(fmd.getDeclaredType());


        // int field = pcInheritedFieldCount + <fieldindex>;
        int fieldLocal = code.getNextLocalsIndex();
        ifins.setTarget(code.getstatic().setField(INHERIT, int.class));
        code.constant().setValue(index);
        code.iadd();
        code.istore().setLocal(fieldLocal);


        // inst.pcStateManager.accessingField (field);

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Examples of serp.bytecode.JumpInstruction

        int firstParamOffset = getAccessorParameterOffset();


        // if (inst.pcStateManager == null) inst.<field> = value;
        loadManagedInstance(code, true);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();
        loadManagedInstance(code, true);
        code.xload().setParam(firstParamOffset);
        addSetManagedValueCode(code, fmd);
        code.vreturn();


        // inst.pcStateManager.setting<fieldType>Field (inst,
        //     pcInheritedFieldCount + <index>, inst.<field>, value, 0);
        ifins.setTarget(loadManagedInstance(code, true));
        code.getfield().setField(SM, SMTYPE);
        loadManagedInstance(code, true);
        code.getstatic().setField(INHERIT, int.class);
        code.constant().setValue(index);
        code.iadd();

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Examples of serp.bytecode.JumpInstruction

        loadManagedInstance(code, false);
        code.aload().setParam(0);
        code.invokevirtual().setMethod(getType(_meta),
            PRE + "WriteUnmanaged", void.class, outargs);


        JumpInstruction go2 = null;
        if (detachedState) {
            // if (sm != null)
            //   if (sm.writeDetached (out))
            //      return;
            loadManagedInstance(code, false);
            code.getfield().setField(SM, SMTYPE);
            IfInstruction ifnull = code.ifnull();
            loadManagedInstance(code, false);
            code.getfield().setField(SM, SMTYPE);
            code.aload().setParam(0);
            code.invokeinterface().setMethod(SMTYPE, "writeDetached",
                boolean.class, outargs);
            go2 = code.ifeq();
            code.vreturn();


            // else
            //   out.writeObject (pcGetDetachedState ());
            Class[] objargs = new Class[]{ Object.class };
            ifnull.setTarget(code.aload().setParam(0));
            loadManagedInstance(code, false);
            code.invokevirtual().setMethod(PRE + "GetDetachedState",
                Object.class, null);
            code.invokeinterface().setMethod(ObjectOutput.class,
                "writeObject", void.class, objargs);
            //    out.writeObject (null) // StateManager
            code.aload().setParam(0);
            code.constant().setValue((Object) null);
            code.invokeinterface().setMethod(ObjectOutput.class,
                "writeObject", void.class, objargs);
        }
        if (go2 != null)
            go2.setTarget(code.nop());


        // write managed fields
        FieldMetaData[] fmds = _meta.getFields();
        for (int i = 0; i < fmds.length; i++)
            if (!fmds[i].isTransient())

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Examples of serp.bytecode.JumpInstruction

        code.astore().setLocal(inst);


        // if (clear)
        //   pc.pcClearFields ();
        code.iload().setParam((oid) ? 2 : 1);
        JumpInstruction noclear = code.ifeq();
        code.aload().setLocal(inst);
        code.invokevirtual().setMethod(PRE + "ClearFields", void.class, null);


        // pc.pcStateManager = sm;
        noclear.setTarget(code.aload().setLocal(inst));
        code.aload().setParam(0);
        code.putfield().setField(SM, SMTYPE);


        // copy key fields from oid
        if (oid) {

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Examples of serp.bytecode.JumpInstruction

        code.istore().setLocal(relLocal);
        code.iload().setLocal(relLocal);


        // super: if (rel < 0) super.pcReplaceField (fieldNumber); return;
        // no super: if (rel < 0) throw new IllegalArgumentException ();
        JumpInstruction ifins = code.ifge();
        if (_meta.getPCSuperclass() != null) {
            loadManagedInstance(code, false);
            String[] args;
            if (copy) {
                args = new String[]{ getType(_meta.getPCSuperclassMetaData()).
                    getName(), int.class.getName() };
                code.aload().setParam(0);
            } else
                args = new String[]{ int.class.getName() };
            code.iload().setParam(fieldNumber);
            code.invokespecial().setMethod(getType(_meta.
                getPCSuperclassMetaData()).getName(), name, 
                void.class.getName(), args);
            code.vreturn();
        } else
            throwException(code, IllegalArgumentException.class);


        ifins.setTarget(code.nop());
        return relLocal;
    }

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Examples of serp.bytecode.JumpInstruction

            // if (other.pcStateManager != pcStateManager)
            //  throw new IllegalArgumentException


            loadManagedInstance(code, false);
            code.getfield().setField(SM, SMTYPE);
            JumpInstruction ifins = code.ifacmpeq();
            throwException(code, IllegalArgumentException.class);
            ifins.setTarget(code.nop());


            // if (pcStateManager == null)
            //  throw new IllegalStateException
            loadManagedInstance(code, false);
            code.getfield().setField(SM, SMTYPE);
            ifins = code.ifnonnull();
            throwException(code, IllegalStateException.class);
            ifins.setTarget(code.nop());
        }


        // for (int i = 0;
        code.constant().setValue(0);
        int idx = code.getNextLocalsIndex();
        code.istore().setLocal(idx);
        JumpInstruction testins = code.go2();


        // <method> (fields[i]);
        Instruction bodyins = loadManagedInstance(code, false);
        if (copy)
            code.aload().setLocal(inst);
        code.aload().setParam(fieldNumbers);
        code.iload().setLocal(idx);
        code.iaload();
        code.invokevirtual().setMethod(single);


        // i++;
        code.iinc().setIncrement(1).setLocal(idx);


        // i < fields.length
        testins.setTarget(code.iload().setLocal(idx));
        code.aload().setParam(fieldNumbers);
        code.arraylength();
        code.ificmplt().setTarget(bodyins);
        code.vreturn();

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Examples of serp.bytecode.JumpInstruction

        Code code = method.getCode(true);


        // if (pcStateManager == null) return <default>;
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();
        if (returnType.equals(boolean.class))
            code.constant().setValue(false);
        else if (!returnType.equals(void.class))
            code.constant().setNull();
        code.xreturn().setType(returnType);


        // if this is the dirty-check method and we're subclassing but not
        // redefining, hook into PCHelper to do the dirty check
        if (isDirtyCheckMethod && !getRedefine()) {
            // RedefinitionHelper.dirtyCheck(sm);
            ifins.setTarget(loadManagedInstance(code, false));
            code.getfield().setField(SM, SMTYPE);
            code.dup(); // for the return statement below
            code.invokestatic().setMethod(RedefinitionHelper.class, 
                "dirtyCheck", void.class, new Class[] { SMTYPE });
        } else {
            ifins.setTarget(loadManagedInstance(code, false));
            code.getfield().setField(SM, SMTYPE);
        }
        
        // return pcStateManager.<method> (<args>);
        // managed instance loaded above in if-else block

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Examples of serp.bytecode.JumpInstruction

        Code code = method.getCode(true);


        // if (pcStateManager == null)
        loadManagedInstance(code, false);
        code.getfield().setField(SM, SMTYPE);
        JumpInstruction ifins = code.ifnonnull();
        FieldMetaData versionField = _meta.getVersionField();


        if (versionField == null)
            code.constant().setNull(); // return null;
        else {
            // return <versionField>;
            Class wrapper = toPrimitiveWrapper(versionField);
            if (wrapper != versionField.getDeclaredType()) {
                code.anew().setType(wrapper);
                code.dup();
            }
            loadManagedInstance(code, false);
            addGetManagedValueCode(code, versionField);
            if (wrapper != versionField.getDeclaredType())
                code.invokespecial().setMethod(wrapper, "<init>", void.class,
                    new Class[]{ versionField.getDeclaredType() });
        }
        code.areturn();


        // return pcStateManager.getVersion ();
        ifins.setTarget(loadManagedInstance(code, false));
        code.getfield().setField(SM, SMTYPE);
        code.invokeinterface().setMethod(SMTYPE, "getVersion", Object.class,
            null);
        code.areturn();

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