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.

                if ( fieldType.equals( Long.TYPE ) ) {
                    mv.visitInsn( Opcodes.LCONST_0 );
                } else if ( fieldType.equals( Double.TYPE ) ) {
                    mv.visitInsn( Opcodes.DCONST_0 );
                } else if ( fieldType.equals( Float.TYPE ) ) {
                    mv.visitInsn( Opcodes.FCONST_0 );
                } else {
                    mv.visitInsn( Opcodes.ICONST_0 );
                }
            } else {
                mv.visitInsn( Opcodes.ACONST_NULL );

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                } else if ( fieldType.equals( Double.TYPE ) ) {
                    mv.visitInsn( Opcodes.DCONST_0 );
                } else if ( fieldType.equals( Float.TYPE ) ) {
                    mv.visitInsn( Opcodes.FCONST_0 );
                } else {
                    mv.visitInsn( Opcodes.ICONST_0 );
                }
            } else {
                mv.visitInsn( Opcodes.ACONST_NULL );
            }
            mv.visitFieldInsn( Opcodes.PUTFIELD,

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                    mv.visitInsn( Opcodes.FCONST_0 );
                } else {
                    mv.visitInsn( Opcodes.ICONST_0 );
                }
            } else {
                mv.visitInsn( Opcodes.ACONST_NULL );
            }
            mv.visitFieldInsn( Opcodes.PUTFIELD,
                               className,
                               fieldName,
                               Type.getDescriptor( fieldType ) );

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                               Type.getDescriptor( fieldType ) );
            final Label l2 = new Label();
            mv.visitLabel( l2 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitInsn( Opcodes.ICONST_0 );
            mv.visitFieldInsn( Opcodes.PUTFIELD,
                               className,
                               fieldFlag,
                               Type.BOOLEAN_TYPE.getDescriptor() );
        }

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        }


        //    this.__hashCache = 0;
        mv.visitVarInsn( Opcodes.ALOAD,
                         0 );
        mv.visitInsn( Opcodes.ICONST_0 );
        mv.visitFieldInsn( Opcodes.PUTFIELD,
                           className,
                           ShadowProxyFactory.HASHCACHE_FIELD_NAME,
                           Type.getDescriptor( int.class ) );

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                           ShadowProxyFactory.HASHCACHE_FIELD_NAME,
                           Type.getDescriptor( int.class ) );


        final Label l4 = new Label();
        mv.visitLabel( l4 );
        mv.visitInsn( Opcodes.RETURN );
        final Label l5 = new Label();
        mv.visitLabel( l5 );
        mv.visitLocalVariable( "this",
                               "L" + className + ";",
                               null,

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                                Type.getMethodDescriptor( Type.VOID_TYPE,
                                                          new Type[0] ) );
        }
        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,
                            className,
                            "addAll",
                            Type.getMethodDescriptor( Type.BOOLEAN_TYPE,
                                                      new Type[]{Type.getType( Collection.class )} ) );
        mv.visitInsn( Opcodes.POP );
        Label l2 = new Label();
        mv.visitLabel( l2 );
        mv.visitInsn( Opcodes.RETURN );
        Label l3 = new Label();
        mv.visitLabel( l3 );

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                            Type.getMethodDescriptor( Type.BOOLEAN_TYPE,
                                                      new Type[]{Type.getType( Collection.class )} ) );
        mv.visitInsn( Opcodes.POP );
        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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            // return
            final Label l2 = new Label();
            mv.visitLabel( l2 );
            mv.visitLineNumber( 43,
                                l2 );
            mv.visitInsn( Opcodes.RETURN );


            final Label l3 = new Label();
            mv.visitLabel( l3 );
            mv.visitLocalVariable( "this",
                                   "L" + className + ";",

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