Examples of org.mvel2.asm.MethodVisitor.visitFieldInsn()

org.mvel2.asm.MethodVisitor.visitFieldInsn()
Visits a field instruction. A field instruction is an instruction that loads or stores the value of a field of an object. @param opcode the opcode of the type instruction to be visited. This opcode is either GETSTATIC, PUTSTATIC, GETFIELD or PUTFIELD. @param owner the internal name of the field's owner class (see {@link Type#getInternalName() getInternalName}). @param name the field's name. @param desc the field's descriptor (see {@link Type Type}).

                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",

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        {
            mv = cw.visitMethod( ACC_PUBLIC, "hashCode", "()I", null, null );
            mv.visitCode();
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( wrapper ), "object", BuildUtils.getTypeDescriptor( core.getName() ));
            mv.visitMethodInsn( INVOKEVIRTUAL, 
                                BuildUtils.getInternalType( wrapper ), 
                                "getTriplesForSubject", 
                                "(" + Type.getDescriptor( Object.class ) + ")" +  Type.getDescriptor( Collection.class ) );
            mv.visitMethodInsn( INVOKEVIRTUAL, Type.getInternalName( Object.class ), "hashCode", "()I" );

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        {
            mv = cw.visitMethod( ACC_PROTECTED, "getObject", "()" + Type.getDescriptor( Object.class ), null, null );
            mv.visitCode();
            mv.visitVarInsn( ALOAD, 0 );
            mv.visitFieldInsn( GETFIELD, BuildUtils.getInternalType( wrapper ), "object", BuildUtils.getTypeDescriptor( core.getName() ) );
            mv.visitInsn( ARETURN );
//            mv.visitMaxs( 1, 1 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }

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            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, BuildUtils.getInternalType( core.getName() ) );
            mv.visitFieldInsn( PUTFIELD, BuildUtils.getInternalType( wrapper ), "object", BuildUtils.getTypeDescriptor( core.getName() ) );
            mv.visitInsn( RETURN );
//            mv.visitMaxs( 2, 2 );
            mv.visitMaxs( 0, 0 );
            mv.visitEnd();
        }

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                                     1 );
                    mv.visitInsn( Opcodes.IMUL );


                    mv.visitVarInsn( Opcodes.ALOAD,
                                     0 );
                    mv.visitFieldInsn( Opcodes.GETFIELD,
                                       getInternalType( classDef.getClassName() ),
                                       field.getName(),
                                       getTypeDescriptor( field.getTypeName() ) );


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

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                        mv.visitLabel( blabel2 );
                    } else if ( "long".equals( field.getTypeName() ) ) {
                        // attr_hash ::== (int) (longAttr ^ (longAttr >>> 32))
                        mv.visitVarInsn( Opcodes.ALOAD,
                                         0 );
                        mv.visitFieldInsn( Opcodes.GETFIELD,
                                           getInternalType( classDef.getClassName() ),
                                           field.getName(),
                                           getTypeDescriptor( field.getTypeName() ) );
                        mv.visitIntInsn( Opcodes.BIPUSH,
                                         32 );

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                        mv.visitJumpInsn( Opcodes.GOTO,
                                          olabel2 );
                        mv.visitLabel( olabel1 );
                        mv.visitVarInsn( Opcodes.ALOAD,
                                         0 );
                        mv.visitFieldInsn( Opcodes.GETFIELD,
                                           getInternalType( classDef.getClassName() ),
                                           field.getName(),
                                           getTypeDescriptor( field.getTypeName() ) );
                        mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                            getInternalType( field.getTypeName() ),

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                                    "(Ljava/lang/String;)Ljava/lang/StringBuilder;" );


                // buf.append(attrValue)
                mv.visitVarInsn( Opcodes.ALOAD,
                                 0 );
                mv.visitFieldInsn( Opcodes.GETFIELD,
                                   getInternalType( classDef.getClassName() ),
                                   field.getName(),
                                   getTypeDescriptor( field.getTypeName() ) );


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

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            }
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Type.getType( getTypeDescriptor( fieldDef.getTypeName() ) ).getOpcode( Opcodes.ILOAD ),
                             1 );
            mv.visitFieldInsn( Opcodes.PUTFIELD,
                               getInternalType( classDef.getClassName() ),
                               fieldDef.getName(),
                               getTypeDescriptor( fieldDef.getTypeName() ) );


            mv.visitInsn( Opcodes.RETURN );

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                l0 = new Label();
                mv.visitLabel( l0 );
            }
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitFieldInsn( Opcodes.GETFIELD,
                               getInternalType( classDef.getClassName() ),
                               fieldDef.getName(),
                               getTypeDescriptor( fieldDef.getTypeName() ) );
            mv.visitInsn( Type.getType( getTypeDescriptor( fieldDef.getTypeName() ) ).getOpcode( Opcodes.IRETURN ) );
            Label l1 = null;

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