Package serp.bytecode

Examples of serp.bytecode.TableSwitchInstruction

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        FieldMetaData[] fmds = _meta.getFields();

        // switch (val)
        code.iload().setParam(0);
        TableSwitchInstruction tabins = code.tableswitch();
        tabins.setLow(0);
        tabins.setHigh(fmds.length - 1);

        // case i:
        //     return <_attrsToFields.get(fmds[i].getName())>
        for (int i = 0; i < fmds.length; i++) {
            tabins.addTarget(code.constant().setValue(
                _attrsToFields.get(fmds[i].getName())));
            code.areturn();
        }

        // default: throw new IllegalArgumentException ()
        tabins.setDefaultTarget(throwException
            (code, IllegalArgumentException.class));

        code.calculateMaxLocals();
        code.calculateMaxStack();
    }
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        if (fmds.length == 0)
            throwException(code, IllegalArgumentException.class);
        else {
            // switch (val)
            code.iload().setLocal(relLocal);
            TableSwitchInstruction tabins = code.tableswitch();
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            // <field> = pcStateManager.provided<type>Field
            //     (this, fieldNumber);
            for (int i = 0; i < fmds.length; i++) {
                tabins.addTarget(loadManagedInstance(code, false));
                code.getfield().setField(SM, SMTYPE);
                loadManagedInstance(code, false);
                code.iload().setParam(0);
                loadManagedInstance(code, false);
                addGetManagedValueCode(code, fmds[i]);
                code.invokeinterface().setMethod(getStateManagerMethod
                    (fmds[i].getDeclaredType(), "provided", false, false));
                code.vreturn();
            }

            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }

        code.calculateMaxStack();
        code.calculateMaxLocals();
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        if (fmds.length == 0)
            throwException(code, IllegalArgumentException.class);
        else {
            // switch (val)
            code.iload().setLocal(relLocal);
            TableSwitchInstruction tabins = code.tableswitch();
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            // <field> = pcStateManager.replace<type>Field
            //  (this, fieldNumber);
            for (int i = 0; i < fmds.length; i++) {
                // for the addSetManagedValueCode call below.
                tabins.addTarget(loadManagedInstance(code, false));

                loadManagedInstance(code, false);
                code.getfield().setField(SM, SMTYPE);
                loadManagedInstance(code, false);
                code.iload().setParam(0);
                code.invokeinterface().setMethod(getStateManagerMethod
                    (fmds[i].getDeclaredType(), "replace", true, false));
                if (!fmds[i].getDeclaredType().isPrimitive())
                    code.checkcast().setType(fmds[i].getDeclaredType());

                addSetManagedValueCode(code, fmds[i]);
                code.vreturn();
            }

            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }

        code.calculateMaxStack();
        code.calculateMaxLocals();
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        if (fmds.length == 0)
            throwException(code, IllegalArgumentException.class);
        else {
            // switch (val)
            code.iload().setLocal(relLocal);
            TableSwitchInstruction tabins = code.tableswitch();
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            for (int i = 0; i < fmds.length; i++) {
                // <field> = other.<field>;
                // or set<field> (other.get<field>);
                tabins.addTarget(loadManagedInstance(code, false));
                code.aload().setParam(0);
                addGetManagedValueCode(code, fmds[i], false);
                addSetManagedValueCode(code, fmds[i]);

                // break;
                code.vreturn();
            }

            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }

        code.calculateMaxStack();
        code.calculateMaxLocals();
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        // switch (val)
        code.iload().setParam(0);
        if (!_meta.isMixedAccess()) {
            // if not mixed access use a table switch on all property-based fmd.
            // a table switch is more efficient with +1 incremental operations
            TableSwitchInstruction tabins = code.tableswitch();
           
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            // case i:
            //     return <_attrsToFields.get(fmds[i].getName())>
            for (int i = 0; i < fmds.length; i++) {
                tabins.addTarget(code.constant().setValue(
                    _attrsToFields.get(fmds[i].getName())));
                code.areturn();
            }           
            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }
        else {
            // In mixed access mode, property indexes are not +1 incremental
            // a lookup switch must be used to do indexed lookup.
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        if (fmds.length == 0)
            throwException(code, IllegalArgumentException.class);
        else {
            // switch (val)
            code.iload().setLocal(relLocal);
            TableSwitchInstruction tabins = code.tableswitch();
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            // <field> = pcStateManager.provided<type>Field
            //     (this, fieldNumber);
            for (int i = 0; i < fmds.length; i++) {
                tabins.addTarget(loadManagedInstance(code, false));
                code.getfield().setField(SM, SMTYPE);
                loadManagedInstance(code, false);
                code.iload().setParam(0);
                loadManagedInstance(code, false);
                addGetManagedValueCode(code, fmds[i]);
                code.invokeinterface().setMethod(getStateManagerMethod
                    (fmds[i].getDeclaredType(), "provided", false, false));
                code.vreturn();
            }

            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }

        code.calculateMaxStack();
        code.calculateMaxLocals();
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        if (fmds.length == 0)
            throwException(code, IllegalArgumentException.class);
        else {
            // switch (val)
            code.iload().setLocal(relLocal);
            TableSwitchInstruction tabins = code.tableswitch();
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            // <field> = pcStateManager.replace<type>Field
            //  (this, fieldNumber);
            for (int i = 0; i < fmds.length; i++) {
                // for the addSetManagedValueCode call below.
                tabins.addTarget(loadManagedInstance(code, false, fmds[i]));

                loadManagedInstance(code, false, fmds[i]);
                code.getfield().setField(SM, SMTYPE);
                loadManagedInstance(code, false, fmds[i]);
                code.iload().setParam(0);
                code.invokeinterface().setMethod(getStateManagerMethod
                    (fmds[i].getDeclaredType(), "replace", true, false));
                if (!fmds[i].getDeclaredType().isPrimitive())
                    code.checkcast().setType(fmds[i].getDeclaredType());

                addSetManagedValueCode(code, fmds[i]);
                if(_addVersionInitFlag){
                    if(fmds[i].isVersion()){
                        // If this case is setting the version field
                        // pcVersionInit = true;
                        loadManagedInstance(code, false);
                        code.constant().setValue(1);
                        putfield(code, null, VERSION_INIT_STR, boolean.class);
                    }
                }
                code.vreturn();
            }

            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }

        code.calculateMaxStack();
        code.calculateMaxLocals();
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        if (fmds.length == 0)
            throwException(code, IllegalArgumentException.class);
        else {
            // switch (val)
            code.iload().setLocal(relLocal);
            TableSwitchInstruction tabins = code.tableswitch();
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            for (int i = 0; i < fmds.length; i++) {
                // <field> = other.<field>;
                // or set<field> (other.get<field>);
                tabins.addTarget(loadManagedInstance(code, false, fmds[i]));
                code.aload().setParam(0);
                addGetManagedValueCode(code, fmds[i], false);
                addSetManagedValueCode(code, fmds[i]);

                // break;
                code.vreturn();
            }

            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }

        code.calculateMaxStack();
        code.calculateMaxLocals();
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        // switch (val)
        code.iload().setParam(0);
        if (!_meta.isMixedAccess()) {
            // if not mixed access use a table switch on all property-based fmd.
            // a table switch is more efficient with +1 incremental operations
            TableSwitchInstruction tabins = code.tableswitch();
           
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            // case i:
            //     return <_attrsToFields.get(fmds[i].getName())>
            for (int i = 0; i < fmds.length; i++) {
                tabins.addTarget(code.constant().setValue(
                    _attrsToFields.get(fmds[i].getName())));
                code.areturn();
            }           
            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }
        else {
            // In mixed access mode, property indexes are not +1 incremental
            // a lookup switch must be used to do indexed lookup.
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        if (fmds.length == 0)
            throwException(code, IllegalArgumentException.class);
        else {
            // switch (val)
            code.iload().setLocal(relLocal);
            TableSwitchInstruction tabins = code.tableswitch();
            tabins.setLow(0);
            tabins.setHigh(fmds.length - 1);

            // <field> = pcStateManager.provided<type>Field
            //     (this, fieldNumber);
            for (int i = 0; i < fmds.length; i++) {
                tabins.addTarget(loadManagedInstance(code, false));
                code.getfield().setField(SM, SMTYPE);
                loadManagedInstance(code, false);
                code.iload().setParam(0);
                loadManagedInstance(code, false);
                addGetManagedValueCode(code, fmds[i]);
                code.invokeinterface().setMethod(getStateManagerMethod
                    (fmds[i].getDeclaredType(), "provided", false, false));
                code.vreturn();
            }

            // default: throw new IllegalArgumentException ()
            tabins.setDefaultTarget(throwException
                (code, IllegalArgumentException.class));
        }

        code.calculateMaxStack();
        code.calculateMaxLocals();
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