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.

            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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                l0 = new Label();
                mv.visitLabel( l0 );
            }


            // int result = 1;
            mv.visitInsn( Opcodes.ICONST_1 );
            mv.visitVarInsn( Opcodes.ISTORE,
                             1 );


            // for each key field
            for ( FieldDefinition field : classDef.getFieldsDefinitions() ) {

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                                     1 );
                    mv.visitIntInsn( Opcodes.BIPUSH,
                                     31 );
                    mv.visitVarInsn( Opcodes.ILOAD,
                                     1 );
                    mv.visitInsn( Opcodes.IMUL );


                    mv.visitVarInsn( Opcodes.ALOAD,
                                     0 );
                    mv.visitFieldInsn( Opcodes.GETFIELD,
                                       getInternalType( classDef.getClassName() ),

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                                    Type.getInternalName( originalClass ),
                                    setterMethod.getName(),
                                    Type.getMethodDescriptor( setterMethod ) );
            }


            mv.visitInsn( Opcodes.RETURN );


            final Label l1 = new Label();
            mv.visitLabel( l1 );
            mv.visitLocalVariable( "this",
                                   "L" + className + ";",

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                                           getInternalType( classDef.getClassName() ),
                                           field.getName(),
                                           getTypeDescriptor( field.getTypeName() ) );
                        mv.visitIntInsn( Opcodes.BIPUSH,
                                         32 );
                        mv.visitInsn( Opcodes.LUSHR );
                        mv.visitInsn( Opcodes.LXOR );
                        mv.visitInsn( Opcodes.L2I );


                    } else if ( "float".equals( field.getTypeName() ) ) {
                        // attr_hash ::== Float.floatToIntBits( floatAttr );

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                                           field.getName(),
                                           getTypeDescriptor( field.getTypeName() ) );
                        mv.visitIntInsn( Opcodes.BIPUSH,
                                         32 );
                        mv.visitInsn( Opcodes.LUSHR );
                        mv.visitInsn( Opcodes.LXOR );
                        mv.visitInsn( Opcodes.L2I );


                    } else if ( "float".equals( field.getTypeName() ) ) {
                        // attr_hash ::== Float.floatToIntBits( floatAttr );
                        mv.visitMethodInsn( Opcodes.INVOKESTATIC,

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                                           getTypeDescriptor( field.getTypeName() ) );
                        mv.visitIntInsn( Opcodes.BIPUSH,
                                         32 );
                        mv.visitInsn( Opcodes.LUSHR );
                        mv.visitInsn( Opcodes.LXOR );
                        mv.visitInsn( Opcodes.L2I );


                    } else if ( "float".equals( field.getTypeName() ) ) {
                        // attr_hash ::== Float.floatToIntBits( floatAttr );
                        mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                            Type.getInternalName( Float.class ),

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                        // attr_hash ::== (int) (Double.doubleToLongBits( doubleAttr ) ^ (Double.doubleToLongBits( doubleAttr ) >>> 32));
                        mv.visitMethodInsn( Opcodes.INVOKESTATIC,
                                            Type.getInternalName( Double.class ),
                                            "doubleToLongBits",
                                            "(D)J" );
                        mv.visitInsn( Opcodes.DUP2 );
                        mv.visitIntInsn( Opcodes.BIPUSH,
                                         32 );
                        mv.visitInsn( Opcodes.LUSHR );
                        mv.visitInsn( Opcodes.LXOR );
                        mv.visitInsn( Opcodes.L2I );

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                                            "doubleToLongBits",
                                            "(D)J" );
                        mv.visitInsn( Opcodes.DUP2 );
                        mv.visitIntInsn( Opcodes.BIPUSH,
                                         32 );
                        mv.visitInsn( Opcodes.LUSHR );
                        mv.visitInsn( Opcodes.LXOR );
                        mv.visitInsn( Opcodes.L2I );
                    } else if ( !isPrimitive( field.getTypeName() ) ) {
                        // attr_hash ::== ((objAttr == null) ? 0 : objAttr.hashCode());
                        Label olabel1 = new Label();

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                                            "(D)J" );
                        mv.visitInsn( Opcodes.DUP2 );
                        mv.visitIntInsn( Opcodes.BIPUSH,
                                         32 );
                        mv.visitInsn( Opcodes.LUSHR );
                        mv.visitInsn( Opcodes.LXOR );
                        mv.visitInsn( Opcodes.L2I );
                    } else if ( !isPrimitive( field.getTypeName() ) ) {
                        // attr_hash ::== ((objAttr == null) ? 0 : objAttr.hashCode());
                        Label olabel1 = new Label();
                        mv.visitJumpInsn( Opcodes.IFNONNULL,

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