Package org.mvel2.asm

Examples of org.mvel2.asm.Handle

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        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKEVIRTUAL,
                            Type.getInternalName( String.class ),
                            "equals",
                            "("+ Type.getDescriptor( Object.class ) + ")Z" );
        Label l1 = new Label();
        mv.visitJumpInsn( IFEQ, l1 );

        TraitFactory.invokeExtractor( mv, wrapperName, trait, core, field );

        if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
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                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() );
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                            "(" + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ) );
        mv.visitMethodInsn( INVOKEVIRTUAL,
                            Type.getInternalName(TripleStore.class),
                            "contains",
                            "(" + Type.getDescriptor( Triple.class ) + ")Z" );
        Label l0 = new Label();
        mv.visitJumpInsn( IFNE, l0 );

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitFieldInsn(GETFIELD, wrapperName, "store", Type.getDescriptor( TripleStore.class ) );

        mv.visitVarInsn( ALOAD, 0 );
        mv.visitLdcInsn( field.resolveAlias() );


        mv.visitInsn( BuildUtils.zero( field.getTypeName() ) );
        if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
            TraitFactory.valueOf( mv, field.getTypeName() );
            size = BuildUtils.sizeOf( field.getTypeName() );

        } else {
            size = 2;
        }
        mv.visitMethodInsn( INVOKEVIRTUAL,
                wrapperName,
                "property",
                "(" + Type.getDescriptor( String.class ) + Type.getDescriptor( Object.class ) + ")" + Type.getDescriptor( Triple.class ) );
        mv.visitInsn(ICONST_1);
        mv.visitMethodInsn( INVOKEVIRTUAL,
                Type.getInternalName( TripleStore.class ),
                "put",
                "(" + Type.getDescriptor( Triple.class ) + "Z)Z" );


        if ( core.isFullTraiting() ) {
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, internalWrapper, "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.visitVarInsn( ASTORE, 1 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitLdcInsn( field.resolveAlias() );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitFieldTMS.class ), "isManagingField", Type.getMethodDescriptor( Type.BOOLEAN_TYPE, new Type[] { Type.getType( String.class ) } ) );
            Label l1 = new Label();
            mv.visitJumpInsn( IFNE, l1 );
            mv.visitVarInsn( ALOAD, 1 );
            mv.visitLdcInsn( Type.getType( BuildUtils.getTypeDescriptor( core.getClassName() ) ) );
            mv.visitLdcInsn( field.resolveAlias() );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( TraitFieldTMS.class ), "registerField", Type.getMethodDescriptor( Type.VOID_TYPE, new Type[]{ Type.getType( Class.class ), Type.getType( String.class ) } ) );
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        for ( FieldDefinition field : core.getFieldsDefinitions() ) {
            if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {
                hasNillable = true;
            }
        }
        Label l99 = null;
        if ( hasNillable ) {
            mv.visitVarInsn(ALOAD, 1);
            l99 = new Label();
            mv.visitJumpInsn(IFNONNULL, l99);
        }

        int j = 0;
        int N = core.getFieldsDefinitions().size();
        for ( FieldDefinition field : core.getFieldsDefinitions() ) {
            j++;
            if ( ! BuildUtils.isPrimitive( field.getTypeName() ) ) {
                TraitFactory.invokeExtractor( mv, wrapperName, trait, core, field );
                if ( j != N ) {
                    Label l1 = new Label();
                    mv.visitJumpInsn( IFNONNULL, l1 );
                    mv.visitInsn( ICONST_1 );
                    mv.visitInsn( IRETURN );
                    mv.visitLabel( l1 );
                } else {
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        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKEVIRTUAL,
                            Type.getInternalName( String.class ),
                            "equals",
                            "(" + Type.getDescriptor( Object.class ) + ")Z" );
        Label l0 = new Label();
        mv.visitJumpInsn( IFEQ, l0 );
        mv.visitInsn( ICONST_1 );
        mv.visitInsn( IRETURN );
        mv.visitLabel( l0 );
    }
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    protected void invokeGet( MethodVisitor mv, String wrapperName, ClassDefinition core, String fieldName, FieldDefinition field) {
        mv.visitLdcInsn( fieldName );
        mv.visitVarInsn( ALOAD, 1);
        mv.visitMethodInsn( INVOKEVIRTUAL, "java/lang/String", "equals", "(" + Type.getDescriptor( Object.class ) + ")Z" );
        Label l0 = new Label();
        mv.visitJumpInsn( IFEQ, l0 );

        TraitFactory.invokeExtractor( mv, wrapperName, trait, core, field );

        if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
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    protected void invokePut( MethodVisitor mv, String wrapperName, ClassDefinition core, String fieldName, FieldDefinition field ) {
        mv.visitLdcInsn( fieldName );
        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( String.class ), "equals", "(" + Type.getDescriptor( Object.class ) + ")Z" );
        Label l1 = new Label();
        mv.visitJumpInsn( IFEQ, l1 );
       
        mv.visitVarInsn( ALOAD, 2 );
        if ( BuildUtils.isPrimitive( field.getTypeName() ) ) {
            TraitFactory.primitiveValue( mv, field.getTypeName() );
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        mv.visitFieldInsn( PUTFIELD, internalProxy, "fields", Type.getDescriptor( Map.class ) );


        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKEVIRTUAL, internalCore, "_getDynamicProperties", "()" + Type.getDescriptor( Map.class ) );
        Label l0 = new Label();
        mv.visitJumpInsn( IFNONNULL, l0 );

        mv.visitVarInsn( ALOAD, 1 );
        mv.visitTypeInsn( NEW, Type.getInternalName( TripleBasedBean.class ) );
        mv.visitInsn( DUP );
        mv.visitVarInsn( ALOAD, 1 );
        mv.visitVarInsn( ALOAD, 2 );
        mv.visitVarInsn( ALOAD, 3 );
        mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( TripleBasedBean.class ), "<init>",
                            "(" + Type.getDescriptor( Object.class ) + Type.getDescriptor( TripleStore.class ) + Type.getDescriptor( TripleFactory.class ) + ")V" );
        mv.visitMethodInsn( INVOKEVIRTUAL, internalCore, "_setDynamicProperties", "(" + Type.getDescriptor( Map.class ) + ")V" );

        mv.visitLabel( l0 );



        mv.visitVarInsn( ALOAD, 1 );
        mv.visitMethodInsn( INVOKEVIRTUAL, internalCore, "_getTraitMap", "()" + Type.getDescriptor( Map.class ) );
        Label l1 = new Label();
        mv.visitJumpInsn( IFNONNULL, l1 );

        mv.visitVarInsn( ALOAD, 1 );
        mv.visitTypeInsn( NEW, Type.getInternalName( TraitTypeMap.class ) );
        mv.visitInsn( DUP );
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    protected void buildCommonMethods( ClassWriter cw, String proxy ) {
        MethodVisitor mv;
        {
            mv = cw.visitMethod( ACC_PUBLIC, "toString", "()" + Type.getDescriptor( String.class ), null, null );
            mv.visitCode();
            mv.visitTypeInsn( NEW, Type.getInternalName( StringBuilder.class ) );
            mv.visitInsn( DUP );
            mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( StringBuilder.class ), "<init>", "()V" );
            mv.visitLdcInsn( "(@" + proxy + ") : " );
            mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( StringBuilder.class ), "append", "(" + Type.getDescriptor( String.class ) + ")" + Type.getDescriptor( StringBuilder.class ) );
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitMethodInsn( INVOKEVIRTUAL, BuildUtils.getInternalType( proxy ), "getFields", "()" + Type.getDescriptor( Map.class ) );
            mv.visitMethodInsn( INVOKEINTERFACE, Type.getInternalName( Map.class ) , "entrySet", "()" + Type.getDescriptor( Set.class ) );
            mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "toString", "()" + Type.getDescriptor( String.class ));
            mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( StringBuilder.class ), "append", "(" + Type.getDescriptor( String.class ) + ")" + Type.getDescriptor( StringBuilder.class ) );
            mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( StringBuilder.class ), "toString", "()" + Type.getDescriptor( String.class ));
            mv.visitInsn( ARETURN );
//            mv.visitMaxs( 2, 1 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();

        }

    }
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        buildSynchFields( cw, TraitFactory.getProxyName( trait, core ), trait, core, mask );
    }

    protected void buildSynchFields( ClassWriter cw, String proxyName, ClassDefinition trait, ClassDefinition core, BitSet mask ) {
        {
            MethodVisitor mv = cw.visitMethod( ACC_PRIVATE, "synchFields", Type.getMethodDescriptor( Type.VOID_TYPE, new Type[] { Type.BOOLEAN_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 );
                    synchFieldLogical( mv, fld, proxyName, trait, core, hardField, j + 3 );
                }
            } else {
                for ( FieldDefinition fld : trait.getFieldsDefinitions() ) {
                    if ( fld.getInitExpr() != null ) {
                        synchField( mv, fld, proxyName );
                    }
                }
            }

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