Package org.mvel2.optimizers

Examples of org.mvel2.optimizers.AbstractOptimizer

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    private void buildMixinMethods( ClassWriter cw, String wrapperName, String mixin, Class mixinClass, Collection<Method> mixinMethods ) {
        for ( Method method : mixinMethods ) {
            String signature = TraitFactory.buildSignature( method );
            {
                MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
                        method.getName(),
                        signature,
                        null,
                        null );
                mv.visitCode();
                mv.visitVarInsn( ALOAD, 0 );
                mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( wrapperName ), mixin, Type.getDescriptor(mixinClass) );
                int j = 1;
                for ( Class arg : method.getParameterTypes() ) {
                    mv.visitVarInsn( BuildUtils.varType( arg.getName() ), j++ );
                }
                mv.visitMethodInsn( INVOKEVIRTUAL,
                        Type.getInternalName(mixinClass),
                        method.getName(),
                        signature );

                mv.visitInsn( BuildUtils.returnType( method.getReturnType().getName() ) );
                int stack = TraitFactory.getStackSize( method ) ;
//                mv.visitMaxs( stack, stack );
                mv.visitMaxs( 0, 0 );
                mv.visitEnd();
            }
        }

    }
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        String fieldName = field.getName();
        String fieldType = field.getTypeName();

        String getter = BuildUtils.getterName( fieldName, fieldType );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, getter, "()" + BuildUtils.getTypeDescriptor( fieldType ), null, null );
        mv.visitCode();

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( proxy ), "object", Type.getDescriptor( core.getDefinedClass() ) );
        mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
        mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitableBean.class ), "_getFieldTMS", Type.getMethodDescriptor( Type.getType( TraitFieldTMS.class ), new Type[] {} ) );

        mv.visitLdcInsn( field.resolveAlias() );
        if ( BuildUtils.isPrimitive( fieldType ) ) {
            //            mv.visitFieldInsn( GETSTATIC, BuildUtils.getInternalType( BuildUtils.box( fieldType ) ), "TYPE", Type.getDescriptor( Class.class ) );
            mv.visitLdcInsn( Type.getType( BuildUtils.getTypeDescriptor( BuildUtils.box( field.getTypeName() ) ) ) );
        } else {
            mv.visitLdcInsn( Type.getType( Type.getDescriptor( field.getType() ) ) );
        }
        mv.visitMethodInsn( INVOKEINTERFACE,
                            Type.getInternalName( TraitFieldTMS.class ),
                            "get",
                            Type.getMethodDescriptor( Type.getType( Object.class ), new Type[] { Type.getType( String.class ), Type.getType( Class.class ) } ) );

        mv.visitVarInsn( ASTORE, 1 );
        mv.visitVarInsn( ALOAD, 1 );

        if ( BuildUtils.isPrimitive( fieldType ) ) {
            Label l0 = new Label();
            mv.visitJumpInsn( IFNULL, l0 );
            mv.visitVarInsn( ALOAD, 1 );
            Label l1 = new Label();
            mv.visitJumpInsn( GOTO, l1 );
            mv.visitLabel( l0 );
            mv.visitInsn( BuildUtils.zero( fieldType ) );
            mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                BuildUtils.getInternalType( BuildUtils.box( fieldType ) ),
                                "valueOf",
                                Type.getMethodDescriptor( Type.getType( BuildUtils.getTypeDescriptor( BuildUtils.box( fieldType ) ) ), new Type[] { Type.getType( BuildUtils.getTypeDescriptor( fieldType ) ) } ) );
            mv.visitLabel( l1 );

            mv.visitTypeInsn( CHECKCAST, BuildUtils.getInternalType( BuildUtils.box( fieldType ) ) );
            mv.visitMethodInsn( INVOKEVIRTUAL,
                                BuildUtils.getInternalType( BuildUtils.box( fieldType ) ),
                                BuildUtils.numericMorph( BuildUtils.box( fieldType ) ),
                                Type.getMethodDescriptor( Type.getType( field.getType() ), new Type[] {} ) );
            mv.visitInsn( BuildUtils.returnType( fieldType ) );
        } else {
            mv.visitTypeInsn( CHECKCAST, BuildUtils.getInternalType( fieldType ) );
            mv.visitInsn( ARETURN );
        }

        mv.visitMaxs( 0, 0 );
        mv.visitEnd();
    }
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    protected void buildHardGetter( ClassVisitor cw, FieldDefinition field, String masterName, ClassDefinition proxy, ClassDefinition core, String getterName, boolean protect ) {       
        Class fieldType = field.getType();


        MethodVisitor mv = cw.visitMethod( protect ? ACC_PROTECTED : ACC_PUBLIC,
                getterName,
                "()" + Type.getDescriptor( fieldType ),
                null,
                null);
        mv.visitCode();

        TraitFactory.invokeExtractor( mv, masterName, proxy, core, field );

        if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {
            mv.visitTypeInsn( CHECKCAST, Type.getInternalName( fieldType ) );
        }

        mv.visitInsn( BuildUtils.returnType ( fieldType.getName() ) );
//        mv.visitMaxs( 2, 1 );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();

    }
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    }

    protected void buildHardSetter( ClassVisitor cw, FieldDefinition field, String masterName, ClassDefinition trait, ClassDefinition core, String setterName, boolean protect ) {
        Class fieldType = field.getType();

        MethodVisitor mv = cw.visitMethod( protect ? ACC_PROTECTED : ACC_PUBLIC,
                                           setterName,
                                           "(" + Type.getDescriptor( field.getType() ) + ")V",
                                           null,
                                           null );
        mv.visitCode();

        if ( core.isFullTraiting() ) {
            // The trait field update will be done by the core setter. However, types may mismatch here
            FieldDefinition hardField = core.getFieldByAlias( field.resolveAlias() );
            if ( ! field.getType().isPrimitive() && ! field.getTypeName().equals( hardField.getTypeName() ) ) {
                boolean isCoreTrait = hardField.getType().getAnnotation( Trait.class ) != null;
                boolean isTraitTrait = field.getType().getAnnotation( Trait.class ) != null;

                Label l0 = new Label();
                mv.visitVarInsn( ALOAD, 1 );
                mv.visitJumpInsn( IFNULL, l0 );
                if ( isCoreTrait && ! isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
                    mv.visitLdcInsn( hardField.getTypeName() );
                    mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitableBean.class ), "getTrait", Type.getMethodDescriptor( Type.getType( Thing.class ), new Type[] { Type.getType( String.class ) } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else if ( ! isCoreTrait && isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitProxy.class ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitProxy.class ), "getObject", Type.getMethodDescriptor( Type.getType( TraitableBean.class ), new Type[]{ } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else if ( isCoreTrait && isTraitTrait ) {
                    mv.visitVarInsn( ALOAD, 1 );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitProxy.class ) );
                    mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TraitProxy.class ), "getObject", Type.getMethodDescriptor( Type.getType( TraitableBean.class ), new Type[] {} ) );
                    mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
                    mv.visitLdcInsn( hardField.getTypeName() );
                    mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitableBean.class ), "getTrait", Type.getMethodDescriptor( Type.getType( Thing.class ), new Type[] { Type.getType( String.class ) } ) );
                    mv.visitVarInsn( ASTORE, 1 );
                } else {
                    // handled by normal inheritance, exceptions should have been thrown
                    if ( ! hardField.getType().isAssignableFrom( field.getType() ) ) {
                        mv.visitInsn( RETURN );
                    }
                }
                Label l1 = new Label();
                mv.visitJumpInsn(GOTO, l1);

                mv.visitLabel( l0 );
                mv.visitInsn( ACONST_NULL );
                mv.visitVarInsn( ASTORE, 1 );
                mv.visitLabel( l1 );
            } else if ( field.getType().isPrimitive() ) {
                if ( ! hardField.getType().equals( field.getType() ) ) {
                    mv.visitInsn( RETURN );
                }
            }
        }

        TraitFactory.invokeInjector( mv, masterName, trait, core, field, false, 1 );

        mv.visitInsn( RETURN );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();

    }
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    protected void buildSoftSetter( ClassVisitor cw, FieldDefinition field, String proxy, ClassDefinition trait, ClassDefinition core, String setterName, boolean protect ) {
        String fieldName = field.getName();
        String type = field.getTypeName();

        MethodVisitor mv = cw.visitMethod( protect ? ACC_PROTECTED : ACC_PUBLIC,
                setterName,
                "(" + Type.getDescriptor( field.getType() ) + ")V",
                null,
                null );
        mv.visitCode();

        if ( core.isFullTraiting() ) {
            logicalSetter( mv, field, proxy, this.trait, core, true );
        }

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( proxy ), "store", Type.getDescriptor( TripleStore.class ) );
        mv.visitVarInsn( ALOAD, 0 );
        mv.visitLdcInsn( field.resolveAlias() );
        mv.visitVarInsn( BuildUtils.varType( type ), 1 );
        if ( BuildUtils.isPrimitive( type ) ) {
            TraitFactory.valueOf( mv, type );
        }
        mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( proxy ), "property",
                            "(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ) );
        mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TripleStore.class ), "put", "(" + Type.getDescriptor( Triple.class )+ ")Z" );

        mv.visitInsn( POP );
        mv.visitInsn( RETURN );
//        mv.visitMaxs( 3 + BuildUtils.sizeOf( type ), 1 + BuildUtils.sizeOf( type ) );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();

    }
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            NoSuchFieldException {


        ClassWriter cw = new ClassWriter( ClassWriter.COMPUTE_MAXS );
        FieldVisitor fv;
        MethodVisitor mv;

        // get the method bitmask
        BitSet mask = traitRegistry.getFieldMask( getTrait().getName(), core.getDefinedClass().getName() );

        String name = TraitFactory.getPropertyWrapperName( getTrait(), core );
        String masterName = TraitFactory.getProxyName( getTrait(), core );


        String internalWrapper  = BuildUtils.getInternalType(name);
        String internalProxy    = BuildUtils.getInternalType(masterName);

        String internalCore     = Type.getInternalName(core.getDefinedClass());
        String descrCore        = Type.getDescriptor(core.getDefinedClass());
        String internalTrait    = Type.getInternalName(getTrait().getDefinedClass());


        Class mixinClass = null;
        String mixin = null;
        Set<Method> mixinMethods = new HashSet<Method>();
        Map<String,Method> mixinGetSet = new HashMap<String,Method>();
        try {
            if ( getTrait().getDefinedClass() != null ) {
                Trait annTrait = getAnnotation( getTrait().getDefinedClass(), Trait.class );
                if ( hasImpl( annTrait ) ) {
                    mixinClass = annTrait.impl();
                    mixin = mixinClass.getSimpleName().substring(0,1).toLowerCase() + mixinClass.getSimpleName().substring(1);
                    ClassFieldInspector cfi = new ClassFieldInspector( mixinClass );

                    for ( Method m : mixinClass.getMethods() ) {
                        try {
                            getTrait().getDefinedClass().getMethod(m.getName(), m.getParameterTypes() );
                            if ( cfi.getGetterMethods().containsValue( m )
                                    || cfi.getSetterMethods().containsValue( m )) {
                                mixinGetSet.put( m.getName(), m );
                            } else {
                                mixinMethods.add( m );
                            }
                        } catch ( NoSuchMethodException e ) {

                        }
                    }

                }
            }
        } catch ( Exception e ) {
            e.printStackTrace();
        }



        cw.visit( ClassGenerator.JAVA_VERSION,
                  ACC_PUBLIC + ACC_SUPER,
                  internalProxy,
                  null,
                  Type.getInternalName( proxyBaseClass ),
                  new String[] { internalTrait, Type.getInternalName( Externalizable.class ) } );

        {
            fv = cw.visitField( ACC_PRIVATE + ACC_FINAL + ACC_STATIC,
                    TraitType.traitNameField, Type.getDescriptor( String.class ),
                    null, null );
            fv.visitEnd();
        }
        {
            fv = cw.visitField( ACC_PUBLIC, "object", descrCore, null, null );
            fv.visitEnd();
        }
        {
            fv = cw.visitField( ACC_PRIVATE, "store", Type.getDescriptor( TripleStore.class ), null, null );
            fv.visitEnd();
        }
        {
            fv = cw.visitField( ACC_PRIVATE, "storeId", Type.getDescriptor( String.class ), null, null);
            fv.visitEnd();
        }
        if ( mixinClass != null ) {
            {
                fv = cw.visitField( ACC_PRIVATE,
                        mixin,
                        Type.getDescriptor( mixinClass ),
                        null, null);
                fv.visitEnd();
            }
        }

        {
            mv = cw.visitMethod( ACC_STATIC, "<clinit>", "()V", null, null );
            mv.visitCode();
            mv.visitLdcInsn( Type.getType( Type.getDescriptor( trait.getDefinedClass() ) ) );
            mv.visitMethodInsn( INVOKEVIRTUAL,
                    Type.getInternalName( Class.class ), "getName", "()" + Type.getDescriptor( String.class ) );
            mv.visitFieldInsn( PUTSTATIC,
                    internalProxy,
                    TraitType.traitNameField,
                    Type.getDescriptor( String.class ) );
            mv.visitInsn( RETURN );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }

        {
            mv = cw.visitMethod( ACC_PUBLIC, "<init>", "()V", null, null );
            mv.visitCode();

            mv.visitVarInsn( ALOAD, 0 );
            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( proxyBaseClass ), "<init>", "()V" );

            mv.visitInsn( RETURN );
//            mv.visitMaxs( 1, 1 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }

        {
            mv = cw.visitMethod( ACC_PUBLIC, "<init>", "(" + descrCore + Type.getDescriptor( TripleStore.class ) + Type.getDescriptor( TripleFactory.class ) + Type.getDescriptor( BitSet.class ) + Type.getDescriptor( BitSet.class ) + Type.getDescriptor( boolean.class  ) +")V", null, null );
            mv.visitCode();

            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 2 );
            mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( TripleStore.class ), "getId", "()" + Type.getDescriptor( String.class ) );
            mv.visitFieldInsn( PUTFIELD, internalProxy, "storeId", Type.getDescriptor( String.class ) );

            int size = buildConstructorCore( cw, mv, internalProxy, internalWrapper, internalCore, descrCore, mixin, mixinClass );

            initFields( mv, internalProxy );

            mv.visitInsn( RETURN );
//            mv.visitMaxs( 5 + size, 4 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod( ACC_PUBLIC, "getTraitName", "()" + Type.getDescriptor( String.class ), null, null);
            mv.visitCode();
            mv.visitFieldInsn( GETSTATIC, internalProxy, TraitType.traitNameField, Type.getDescriptor( String.class ) );
            mv.visitInsn( ARETURN );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod( ACC_PUBLIC, "getCore", "()" + descrCore + "", null, null );
            mv.visitCode();
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, internalProxy, "object", descrCore );
            mv.visitInsn( ARETURN );
//            mv.visitMaxs( 1, 1 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod( ACC_PUBLIC, "getObject", "()" + Type.getDescriptor( TraitableBean.class ), null, null );
            mv.visitCode();
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, internalProxy, "object", descrCore );
            mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TraitableBean.class ) );
            mv.visitInsn( ARETURN );
//            mv.visitMaxs( 1, 1 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "setObject", "(" + Type.getDescriptor( Object.class ) + ")V", null, null);
            mv.visitCode();
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitTypeInsn( CHECKCAST, internalCore );
            mv.visitFieldInsn( PUTFIELD, internalProxy, "object", descrCore );
            mv.visitInsn( RETURN );
//            mv.visitMaxs( 2, 2 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }


        {
            mv = cw.visitMethod( ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "getCore", "()" + Type.getDescriptor( Object.class ), null, null );
            mv.visitCode();
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitMethodInsn( INVOKEVIRTUAL, internalProxy, "getCore", "()" + descrCore );
            mv.visitInsn( ARETURN );
//            mv.visitMaxs( 1, 1 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }

        {
            mv = cw.visitMethod( ACC_PUBLIC, "isTop", "()Z", null, null );
            mv.visitCode();
            mv.visitInsn( Thing.class.equals( trait.getDefinedClass() ) ? ICONST_1 : ICONST_0 );
            mv.visitInsn( IRETURN );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }

        {
            mv = cw.visitMethod( ACC_PUBLIC, "shed", Type.getMethodDescriptor( Type.VOID_TYPE, new Type[] {} ), null, null );
            mv.visitCode();

            if ( core.isFullTraiting() ) {
                Iterator<FieldDefinition> iter = trait.getFieldsDefinitions().iterator();
                for ( int j = 0; j < trait.getFieldsDefinitions().size(); j++ ) {
                    FieldDefinition fld = iter.next();
                    boolean hardField = ! TraitRegistry.isSoftField( fld, j, mask );
                    shedField( mv, fld, internalProxy, trait, core, hardField, j + 2 );
                }
            }

            mv.visitInsn( RETURN );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }

        {
            mv = cw.visitMethod( ACC_PUBLIC, "writeExternal", "(" + Type.getDescriptor( ObjectOutput.class )+ ")V", null, new String[] { Type.getInternalName( IOException.class ) } );
            mv.visitCode();

            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( proxyBaseClass ), "writeExternal", "(" + Type.getDescriptor( ObjectOutput.class ) + ")V" );


            mv.visitVarInsn( ALOAD, 1 );
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitMethodInsn( INVOKEVIRTUAL, internalProxy, "getObject", "()" + Type.getDescriptor( TraitableBean.class ) );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( ObjectOutput.class ), "writeObject", "(" + Type.getDescriptor( Object.class ) + ")V" );


            mv.visitVarInsn( ALOAD, 1 );
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, internalProxy, "storeId", Type.getDescriptor( String.class ) );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( ObjectOutput.class ), "writeObject", "(" + Type.getDescriptor( Object.class ) + ")V" );

            mv.visitVarInsn( ALOAD, 1 );
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, internalProxy, "store", Type.getDescriptor( TripleStore.class ) );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( ObjectOutput.class ), "writeObject", "(" + Type.getDescriptor( Object.class ) + ")V" );



            mv.visitInsn( RETURN );
//            mv.visitMaxs( 2, 2 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod( ACC_PUBLIC, "readExternal", "(" + Type.getDescriptor( ObjectInput.class ) + ")V", null,
                                 new String[] { Type.getInternalName( IOException.class ), Type.getInternalName( ClassNotFoundException.class ) } );
            mv.visitCode();

            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( proxyBaseClass ), "readExternal", "(" + Type.getDescriptor( ObjectInput.class ) + ")V" );


            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( ObjectInput.class ), "readObject", "()" + Type.getDescriptor( Object.class ) );
            mv.visitTypeInsn( CHECKCAST, internalCore );
            mv.visitFieldInsn( PUTFIELD, internalProxy, "object", descrCore );


            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( ObjectInput.class ), "readObject", "()" + Type.getDescriptor( Object.class ) );
            mv.visitTypeInsn( CHECKCAST, Type.getInternalName( String.class ) );
            mv.visitFieldInsn( PUTFIELD, internalProxy, "storeId", Type.getDescriptor( String.class ) );

            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( ObjectInput.class ), "readObject", "()" + Type.getDescriptor( Object.class ) );
            mv.visitTypeInsn( CHECKCAST, Type.getInternalName( TripleStore.class ) );
            mv.visitFieldInsn( PUTFIELD, internalProxy, "store", Type.getDescriptor( TripleStore.class ) );


            mv.visitInsn( RETURN );
//            mv.visitMaxs( 3, 2 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }


        buildProxyAccessors( mask, cw, masterName, core, mixinGetSet );
View Full Code Here
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    protected void buildKeyedHashCode( ClassVisitor cw,
                                       ClassDefinition classDef,
                                       String proxyType ) {

        MethodVisitor mv;

        {
            mv = cw.visitMethod( ACC_PUBLIC, "hashCode", "()I", null, null );
            mv.visitCode();
            mv.visitIntInsn( BIPUSH, 31 );
            mv.visitVarInsn( ISTORE, 1 );

            int count = 0;
            int x = 2;
            int y = 2;
            for ( FieldDefinition field : classDef.getFieldsDefinitions() ) {
                if ( field.isKey() ) {
                    count++;

                    if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {

                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        Label l8 = new Label();
                        mv.visitJumpInsn( IFNULL, l8 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( field.getTypeName() ), "hashCode", "()I" );
                        Label l9 = new Label();
                        mv.visitJumpInsn( GOTO, l9 );
                        mv.visitLabel( l8 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l9 );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                    } else if ( "double".equals( field.getTypeName() ) ) {


                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitInsn( DCONST_0 );
                        mv.visitInsn( DCMPL );
                        Label l2 = new Label();
                        mv.visitJumpInsn( IFEQ, l2 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Double.class ), "doubleToLongBits", "(D)J" );
                        Label l3 = new Label();
                        mv.visitJumpInsn( GOTO, l3 );
                        mv.visitLabel( l2 );
                        mv.visitInsn( LCONST_0 );
                        mv.visitLabel( l3 );
                        mv.visitVarInsn( LSTORE, 2 );
                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( LLOAD, 2 );
                        mv.visitVarInsn( LLOAD, 2 );
                        mv.visitIntInsn( BIPUSH, 32 );
                        mv.visitInsn( LUSHR );
                        mv.visitInsn( LXOR );
                        mv.visitInsn( L2I );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                        x = Math.max( 6, x );
                        y = Math.max( 4, y );

                    } else if ( "boolean".equals( field.getTypeName() ) ) {

                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        Label l4 = new Label();
                        mv.visitJumpInsn( IFEQ, l4 );
                        mv.visitInsn( ICONST_1 );
                        Label l5 = new Label();
                        mv.visitJumpInsn( GOTO, l5 );
                        mv.visitLabel( l4 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l5 );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                    } else if ( "float".equals( field.getTypeName() ) ) {

                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitInsn( FCONST_0 );
                        mv.visitInsn( FCMPL );
                        Label l6 = new Label();
                        mv.visitJumpInsn( IFEQ, l6 );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitMethodInsn( INVOKESTATIC, Type.getInternalName( Float.class ), "floatToIntBits", "(F)I" );
                        Label l7 = new Label();
                        mv.visitJumpInsn( GOTO, l7 );
                        mv.visitLabel( l6 );
                        mv.visitInsn( ICONST_0 );
                        mv.visitLabel( l7 );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                        x = Math.max( 3, x );

                    }  else if ( "long".equals( field.getTypeName() ) ) {

                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitIntInsn( BIPUSH, 32 );
                        mv.visitInsn( LUSHR );
                        mv.visitInsn( LXOR );
                        mv.visitInsn( L2I );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                        x = Math.max( 6, x );

                    } else {

                        mv.visitIntInsn( BIPUSH, 31 );
                        mv.visitVarInsn( ILOAD, 1 );
                        mv.visitInsn( IMUL );
                        mv.visitVarInsn( ALOAD, 0 );
                        mv.visitMethodInsn( INVOKEVIRTUAL, proxyType, BuildUtils.getterName( field.getName(), field.getTypeName() ),
                                            "()" + Type.getDescriptor( field.getType() ) );
                        mv.visitInsn( IADD );
                        mv.visitVarInsn( ISTORE, 1 );

                    }
                }

            }
            mv.visitVarInsn( ILOAD, 1 );
            mv.visitInsn( IRETURN );
//            mv.visitMaxs( x, y );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }
    }
View Full Code Here
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    protected void buildRemove( ClassWriter cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC,
                                           "remove",
                                           "(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ),
                                           null,
                                           null );
        mv.visitCode();

        int stack = 0;
        for ( FieldDefinition field : core.getFieldsDefinitions() ) {
            stack = Math.max( stack, BuildUtils.sizeOf( field.getTypeName() ) );
            invokeRemove( mv, wrapperName, core, field.getName(), field );
        }


        int j = 0;
        for ( FieldDefinition field : trait.getFieldsDefinitions() ) {
            boolean isSoftField = TraitRegistry.isSoftField( field, j++, mask );
            if ( isSoftField ) {
                stack = Math.max( stack, BuildUtils.sizeOf( field.getTypeName() ) );

                mv.visitLdcInsn( field.getName() );
                mv.visitVarInsn( ALOAD, 1 );
                mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( String.class ), "equals", "(" + Type.getDescriptor( Object.class ) + ")Z" );
                Label l2 = new Label();
                mv.visitJumpInsn( IFEQ, l2 );
                mv.visitVarInsn( ALOAD, 0 );
                mv.visitFieldInsn( GETFIELD, internalWrapper, "store", Type.getDescriptor( TripleStore.class ) );
                mv.visitVarInsn( ALOAD, 0);
                mv.visitLdcInsn( field.getName() );
                mv.visitMethodInsn( INVOKEVIRTUAL,
                                    internalWrapper,
                                    "propertyKey",
                                    "(" + Type.getDescriptor( Object.class ) + ")" +  Type.getDescriptor( Triple.class ) );
                mv.visitMethodInsn( INVOKEVIRTUAL,
                                    Type.getInternalName( TripleStore.class ),
                                    "get",
                                    "(" + Type.getDescriptor( Triple.class ) + ")" + Type.getDescriptor( Triple.class ) );

                mv.visitVarInsn( ASTORE, 2 );
                mv.visitVarInsn( ALOAD, 0 );
                mv.visitLdcInsn( field.getName() );
                mv.visitInsn( BuildUtils.zero( field.getTypeName() ) );

                if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
                    TraitFactory.valueOf( mv, field.getTypeName() );
                }
                mv.visitMethodInsn( INVOKESPECIAL,
                                    Type.getInternalName( TripleBasedStruct.class ),
                                    "put",
                                    "(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ) );
                mv.visitInsn( POP );
                mv.visitVarInsn( ALOAD, 2 );
                mv.visitInsn( ARETURN );
                mv.visitLabel( l2 );
            }
        }

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKESPECIAL,
                            Type.getInternalName( TripleBasedStruct.class ),
                            "remove",
                            "(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Object.class ) );

        mv.visitVarInsn( ASTORE, 2 );
        mv.visitVarInsn( ALOAD, 2 );
        mv.visitInsn( ARETURN );
//        mv.visitMaxs( 2 + stack, 3 );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();

    }
View Full Code Here
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        return false;
    }

    protected void buildInitSoftFields( ClassWriter cw, String wrapperName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {

        MethodVisitor mv = cw.visitMethod(ACC_PRIVATE, "initSoftFields", "()V", null, null);
        mv.visitCode();

        int stackSize = initSoftFields( mv, wrapperName, trait, core, mask );

        mv.visitInsn(RETURN);
//        mv.visitMaxs(4 + stackSize, 2);
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();
    }
View Full Code Here
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    protected void buildClear( ClassWriter cw, String wrapperName, String coreName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        String internalWrapper = BuildUtils.getInternalType( wrapperName );

        boolean hasPrimitiveFields = false;
        boolean hasObjectFields = false;
        MethodVisitor mv = cw.visitMethod( ACC_PUBLIC, "clear", "()V", null, null );
        mv.visitCode();

        for ( FieldDefinition field : core.getFieldsDefinitions() ) {
            if ( field.isKey() ) continue;
            if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
                hasPrimitiveFields = true;
            } else {
                hasObjectFields = true;
            }
            TraitFactory.invokeInjector( mv, wrapperName, trait, core, field, true, 1 );   
        }

        int stack = 2;
        if ( hasPrimitiveFields ) {
            stack++;
        }
        if ( hasObjectFields ) {
            stack++;
        }

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( TripleBasedStruct.class ), "clear", "()V" );


        mv.visitVarInsn( ALOAD, 0 );
        mv.visitMethodInsn( INVOKESPECIAL, internalWrapper, "clearSoftFields", "()V" );

        mv.visitInsn( RETURN );
//        mv.visitMaxs( stack , 1 );
        mv.visitMaxs( 0, 0 );
        mv.visitEnd();


    }
View Full Code Here
TOP

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