Examples of org.drools.asm.MethodVisitor.visitVarInsn()

org.drools.asm.MethodVisitor.visitVarInsn()
Visits a local variable instruction. A local variable instruction is an instruction that loads or stores the value of a local variable. @param opcode the opcode of the local variable instruction to be visited.This opcode is either ILOAD, LLOAD, FLOAD, DLOAD, ALOAD, ISTORE, LSTORE, FSTORE, DSTORE, ASTORE or RET. @param var the operand of the instruction to be visited. This operand isthe index of a local variable.

        mv.visitCode();


        // if ( ! _fieldIsSet ) {
        final Label l0 = new Label();
        mv.visitLabel( l0 );
        mv.visitVarInsn( Opcodes.ALOAD,
                         0 );
        mv.visitFieldInsn( Opcodes.GETFIELD,
                           className,
                           fieldFlag,
                           Type.BOOLEAN_TYPE.getDescriptor() );

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                          l1 );


        //     __fieldIsSet = true;
        final Label l3 = new Label();
        mv.visitLabel( l3 );
        mv.visitVarInsn( Opcodes.ALOAD,
                         0 );
        mv.visitInsn( Opcodes.ICONST_1 );
        mv.visitFieldInsn( Opcodes.PUTFIELD,
                           className,
                           fieldFlag,

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        if ( Map.class.isAssignableFrom( fieldType ) || Collection.class.isAssignableFrom( fieldType ) || fieldType.isArray() ) {


            // FieldType aux = this.delegate.getField();
            Label l01 = new Label();
            mv.visitLabel( l01 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitFieldInsn( Opcodes.GETFIELD,
                               className,
                               DELEGATE_FIELD_NAME,
                               Type.getDescriptor( clazz ) );

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                mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                    Type.getInternalName( clazz ),
                                    method.getName(),
                                    Type.getMethodDescriptor( method ) );
            }
            mv.visitVarInsn( Opcodes.ASTORE,
                             1 );


            // this.field = (FieldType) ShadoProxyUtils.clone( aux );
            Label l11 = new Label();
            mv.visitLabel( l11 );

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                             1 );


            // this.field = (FieldType) ShadoProxyUtils.clone( aux );
            Label l11 = new Label();
            mv.visitLabel( l11 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                Type.getInternalName( ShadowProxyUtils.class ),

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            // this.field = (FieldType) ShadoProxyUtils.clone( aux );
            Label l11 = new Label();
            mv.visitLabel( l11 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                Type.getInternalName( ShadowProxyUtils.class ),
                                "cloneObject",
                                "(Ljava/lang/Object;)Ljava/lang/Object;" );

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        } else {
            //     __field = this.delegate.method();
            final Label l2 = new Label();
            mv.visitLabel( l2 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitFieldInsn( Opcodes.GETFIELD,
                               className,

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            //     __field = this.delegate.method();
            final Label l2 = new Label();
            mv.visitLabel( l2 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitFieldInsn( Opcodes.GETFIELD,
                               className,
                               ShadowProxyFactory.DELEGATE_FIELD_NAME,
                               Type.getDescriptor( clazz ) );

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        }


        // }
        // return __field;
        mv.visitLabel( l1 );
        mv.visitVarInsn( Opcodes.ALOAD,
                         0 );
        mv.visitFieldInsn( Opcodes.GETFIELD,
                           className,
                           fieldName,
                           Type.getDescriptor( fieldType ) );

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                                                 null );
        mv.visitCode();
        final Label l0 = new Label();
        mv.visitLabel( l0 );
        // this.clear();
        mv.visitVarInsn( Opcodes.ALOAD,
                         0 );
        mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                            className,
                            "clear",
                            Type.getMethodDescriptor( Type.VOID_TYPE,

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