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

org.drools.asm.MethodVisitor.visitMethodInsn()
Visits a method instruction. A method instruction is an instruction that invokes a method. @param opcode the opcode of the type instruction to be visited. Thisopcode is either INVOKEVIRTUAL, INVOKESPECIAL, INVOKESTATIC or INVOKEINTERFACE. @param owner the internal name of the method's owner class (see {@link Type#getInternalName() getInternalName}). @param name the method's name. @param desc the method's descriptor (see {@link Type Type}).

                l0 = new Label();
                mv.visitLabel( l0 );
            }
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitMethodInsn( Opcodes.INVOKESPECIAL,
                                Type.getInternalName( Object.class ),
                                "<init>",
                                Type.getMethodDescriptor( Type.VOID_TYPE,
                                                          new Type[]{} ) );
            mv.visitInsn( Opcodes.RETURN );

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            // if ( getClass() != obj.getClass() ) return false;
            mv.visitLabel( l2 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             0 );
            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( Object.class ),
                                "getClass",
                                Type.getMethodDescriptor( Type.getType( Class.class ),
                                                          new Type[]{} ) );
            mv.visitVarInsn( Opcodes.ALOAD,

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                                "getClass",
                                Type.getMethodDescriptor( Type.getType( Class.class ),
                                                          new Type[]{} ) );
            mv.visitVarInsn( Opcodes.ALOAD,
                             1 );
            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( Object.class ),
                                "getClass",
                                Type.getMethodDescriptor( Type.getType( Class.class ),
                                                          new Type[]{} ) );
            Label l3 = new Label();

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                             1 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             2 );
            mv.visitVarInsn( Opcodes.ALOAD,
                             3 );
            mv.visitMethodInsn( Opcodes.INVOKESPECIAL,
                                Type.getInternalName( superClazz ),
                                "<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();

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                                         2 );
                        mv.visitFieldInsn( Opcodes.GETFIELD,
                                           getInternalType( classDef.getClassName() ),
                                           field.getName(),
                                           getTypeDescriptor( field.getTypeName() ) );
                        mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                            getInternalType( field.getTypeName() ),
                                            "equals",
                                            "(Ljava/lang/Object;)Z" );
                        mv.visitJumpInsn( Opcodes.IFNE,
                                          goNext );

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                         2 );
        mv.visitTypeInsn( Opcodes.CHECKCAST,
                          Type.getInternalName( originalClass ) );


        if ( originalClass.isInterface() ) {
            mv.visitMethodInsn( Opcodes.INVOKEINTERFACE,
                                Type.getInternalName( originalClass ),
                                getterMethod.getName(),
                                Type.getMethodDescriptor( getterMethod ) );
        } else {
            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,

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            mv.visitMethodInsn( Opcodes.INVOKEINTERFACE,
                                Type.getInternalName( originalClass ),
                                getterMethod.getName(),
                                Type.getMethodDescriptor( getterMethod ) );
        } else {
            mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                Type.getInternalName( originalClass ),
                                getterMethod.getName(),
                                Type.getMethodDescriptor( getterMethod ) );
        }
        mv.visitInsn( Type.getType( fieldType ).getOpcode( Opcodes.IRETURN ) );

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                mv.visitTypeInsn( Opcodes.CHECKCAST,
                                  Type.getInternalName( fieldType ) );
            }


            if ( originalClass.isInterface() ) {
                mv.visitMethodInsn( Opcodes.INVOKEINTERFACE,
                                    Type.getInternalName( originalClass ),
                                    setterMethod.getName(),
                                    Type.getMethodDescriptor( setterMethod ) );
            } else {
                mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,

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                mv.visitMethodInsn( Opcodes.INVOKEINTERFACE,
                                    Type.getInternalName( originalClass ),
                                    setterMethod.getName(),
                                    Type.getMethodDescriptor( setterMethod ) );
            } else {
                mv.visitMethodInsn( Opcodes.INVOKEVIRTUAL,
                                    Type.getInternalName( originalClass ),
                                    setterMethod.getName(),
                                    Type.getMethodDescriptor( setterMethod ) );
            }

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                        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 ),
                                            "floatToIntBits",
                                            "(F)I" );
                    } else if ( "double".equals( field.getTypeName() ) ) {
                        // attr_hash ::== (int) (Double.doubleToLongBits( doubleAttr ) ^ (Double.doubleToLongBits( doubleAttr ) >>> 32));

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