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

org.drools.asm.MethodVisitor.visitInsn()
Visits a zero operand instruction. @param opcode the opcode of the instruction to be visited. This opcode iseither NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR, LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW, MONITORENTER, or MONITOREXIT.

        //     __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,
                           Type.BOOLEAN_TYPE.getDescriptor() );

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                            "putAll",
                            Type.getMethodDescriptor( Type.VOID_TYPE,
                                                      new Type[]{Type.getType( Map.class )} ) );
        Label l2 = new Label();
        mv.visitLabel( l2 );
        mv.visitInsn( Opcodes.RETURN );
        Label l3 = new Label();
        mv.visitLabel( l3 );
        mv.visitLocalVariable( "this",
                               "L" + className + ";",
                               null,

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            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( clazz ),
                                method.getName(),
                                Type.getMethodDescriptor( method ) );
        }
        mv.visitInsn( Type.getType( method.getReturnType() ).getOpcode( Opcodes.IRETURN ) );
        final Label l1 = new Label();
        mv.visitLabel( l1 );
        mv.visitLocalVariable( "this",
                               "L" + className + ";",
                               null,

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            Label l2 = new Label();
            mv.visitJumpInsn(Opcodes.IFEQ, l2);
            
            //      return true;
            mv.visitLabel( l1 );
            mv.visitInsn( Opcodes.ICONST_1 );
            mv.visitInsn( Opcodes.IRETURN );
            mv.visitLabel( l2 );


            // if (( object == null ) || ( ! ( object instanceof <class> ) ) ) 
            mv.visitVarInsn( Opcodes.ALOAD,

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            mv.visitJumpInsn(Opcodes.IFEQ, l2);
            
            //      return true;
            mv.visitLabel( l1 );
            mv.visitInsn( Opcodes.ICONST_1 );
            mv.visitInsn( Opcodes.IRETURN );
            mv.visitLabel( l2 );


            // if (( object == null ) || ( ! ( object instanceof <class> ) ) ) 
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );

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            mv.visitJumpInsn( Opcodes.IFNE,
                              l4 );


            //       return false;
            mv.visitLabel( l3 );
            mv.visitInsn( Opcodes.ICONST_0 );
            mv.visitInsn( Opcodes.IRETURN );
            mv.visitLabel( l4 );


            // if( object instanceof ShadowProxy && 
            //     ( this.delegate == ((ShadowProxy)object).delegate ||

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                              l4 );


            //       return false;
            mv.visitLabel( l3 );
            mv.visitInsn( Opcodes.ICONST_0 );
            mv.visitInsn( Opcodes.IRETURN );
            mv.visitLabel( l4 );


            // if( object instanceof ShadowProxy && 
            //     ( this.delegate == ((ShadowProxy)object).delegate ||
            //       this.delegate.equals( ((ShadowProxy)object).delegate ) ) ) {

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                                "<init>",
                                Type.getMethodDescriptor( Type.VOID_TYPE,
                                                          new Type[]{Type.getType( int.class ), Type.getType( Class.class ), Type.getType( ValueType.class )} ) );
            final Label l1 = new Label();
            mv.visitLabel( l1 );
            mv.visitInsn( Opcodes.RETURN );
            final Label l2 = new Label();
            mv.visitLabel( l2 );
            mv.visitLocalVariable( "this",
                                   "L" + className + ";",
                                   null,

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            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( originalClass ),
                                getterMethod.getName(),
                                Type.getMethodDescriptor( getterMethod ) );
        }
        mv.visitInsn( Type.getType( fieldType ).getOpcode( Opcodes.IRETURN ) );
        final Label l1 = new Label();
        mv.visitLabel( l1 );
        mv.visitLocalVariable( "this",
                               "L" + className + ";",
                               null,

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            }
            mv.visitJumpInsn( Opcodes.IFEQ,
                              c1 );
            mv.visitLabel( c2 );
            //     return true;
            mv.visitInsn( Opcodes.ICONST_1 );
            mv.visitInsn( Opcodes.IRETURN );
            // }
            mv.visitLabel( c1 );

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