Hello Chris.

It's me again, :-)

You have an example that shows that the "typeSwitch" tab allows an internal
"typeSwitch" tab as presented.

I have tried many combinations and it does not work for me.

Thanking you for your help,

El lun., 15 jun. 2020 a las 3:21, Christofer Dutz (<
christofer.d...@c-ware.de>) escribió:

> Hi Cesar,
>
> I just noticed your discriminated types in [2] don't have names ... as for
> every case in the typeSwitch a new type is generated, you need to give them
> names.
> Please try that and check if the error goes away.
>
> Chris
>
>
> Am 14.06.20, 17:59 schrieb "Cesar Garcia" <cesar.gar...@ceos.com.ve>:
>
>     Very grateful for your prompt response,
>
>     Corrected at point [1]
>
>     Unfortunately, the build process still fails when I add the
> 'typeSwitch' in
>     the structure as shown in [2],
>
>     I attach the message of error in [3].
>
>     Thank you very much for any help you can provide,
>
>     Best regards,
>
>
>     [1]
>     [discriminatedType 'S7Payload' [uint 8 'messageType', S7Parameter
>     'parameter']
>         [typeSwitch 'parameter.discriminatorValues[0]', 'messageType'
>             ['0x04','0x03' S7PayloadReadVarResponse
>                 [array S7VarPayloadDataItem 'items' count 'CAST(parameter,
>     S7ParameterReadVarResponse).numItems' ['lastItem']]
>             ]
>             ['0x05','0x01' S7PayloadWriteVarRequest
>                 [array S7VarPayloadDataItem 'items' count
>     'COUNT(CAST(parameter, S7ParameterWriteVarRequest).items)'
> ['lastItem']]
>             ]
>             ['0x05','0x03' S7PayloadWriteVarResponse
>                 [array S7VarPayloadStatusItem 'items' count
> 'CAST(parameter,
>     S7ParameterWriteVarResponse).numItems']
>             ]
>             ['0x00','0x07' S7PayloadUserData
>     *            [array S7PayloadUserDataItem 'items' count
>     'COUNT(CAST(parameter, S7ParameterUserData).items)'
> ['CAST(CAST(parameter,
>     S7ParameterUserData).items[0],
>
> S7ParameterUserDataItemCPUFunctions).cpuFunctionType','CAST(CAST(parameter,
>     S7ParameterUserData).items[0],
>     S7ParameterUserDataItemCPUFunctions).cpuSubfunction'*]]
>             ]
>         ]
>     ]
>
>     [2]
>     [discriminatedType 'S7PayloadUserDataItem' [uint 4 'cpuFunctionType',
> uint
>     8 'cpuSubfunction']
>         [enum     DataTransportErrorCode 'returnCode']
>         [enum     DataTransportSize      'transportSize']
>         [implicit uint 16                'dataLength' 'lengthInBytes - 4']
>         [typeSwitch 'cpuSubfunction'
>             ['0x01'
>                 [simple   SzlId                  'szlId']
>                 [simple   uint 16                'szlIndex']
>                 [typeSwitch 'cpuFunctionType'
>                     ['0x04' S7PayloadUserDataItemCpuFunctionReadSzlRequest
>                     ]
>                     ['0x08' S7PayloadUserDataItemCpuFunctionReadSzlResponse
>                         [const    uint 16 'szlItemLength' '28']
>                         [implicit uint 16 'szlItemCount'  'COUNT(items)']
>                         [array SzlDataTreeItem 'items' count
> 'szlItemCount']
>                     ]
>                 ]
>             ]
>             ['0x02'
>     *            [simple   uint 16                'Mode']*
>             ]
>         ]
>     ]
>
>
>     [3]
>
>     --- plc4x-maven-plugin:1.2.0:generate-driver (generate-driver) @
>     plc4j-driver-s7 ---
>     Generating type DataItem
>     Generating type COTPParameterDisconnectAdditionalInformation
>     Generating type S7PayloadWriteVarRequest
>
> ------------------------------------------------------------------------
>     BUILD FAILURE
>
> ------------------------------------------------------------------------
>     Total time:  2.220 s
>     Finished at: 2020-06-14T11:27:37-04:00
>
> ------------------------------------------------------------------------
>     Failed to execute goal
>     org.apache.plc4x.plugins:plc4x-maven-plugin:1.2.0:generate-driver
>     (generate-driver) on project plc4j-driver-s7: Error generating sources:
>     Error generating output for type 'S7PayloadWriteVarRequest': Java
> method
>
> "org.apache.plc4x.language.java.JavaLanguageTemplateHelper.getArgumentType(org.apache.plc4x.plugins.codegenerator.types.references.TypeReference,
>     int)" threw an exception when invoked on
>     org.apache.plc4x.language.java.JavaLanguageTemplateHelper object
>     "org.apache.plc4x.language.java.JavaLanguageTemplateHelper@5fa0141f";
> see
>     cause exception in the Java stack trace.
>
>     ----
>     FTL stack trace ("~" means nesting-related):
>     - Failed at: ${helper.getArgumentType(field.type, ...  [in template
>     "templates/java/io-template.ftlh" at line 136, column 248]
>     ----: Could not find definition of complex type S7VarPayloadDataItem
>     -> [Help 1]
>
>     To see the full stack trace of the errors, re-run Maven with the -e
> switch.
>     Re-run Maven using the -X switch to enable full debug logging.
>
>     For more information about the errors and possible solutions, please
> read
>     the following articles:
>     [Help 1]
>
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
>
>
>
>
>     El dom., 14 jun. 2020 a las 5:05, Christofer Dutz (<
>     christofer.d...@c-ware.de>) escribió:
>
>     > Hi Cesar,
>     >
>     > I just had a look at your mspec changes. I think it shouldn't be
>     > "getCpuSubfunction" but " cpuSubfunction" ... the code generator
> takes care
>     > of generating the right access code. For my C templates this code is
>     > sometimes greatly different from what you would expect in Java.
>     >
>     > Actually that should be about all that has to be changed.
>     >
>     > Chris
>     >
>     >
>     > Am 13.06.20, 22:50 schrieb "Cesar Garcia" <cesar.gar...@ceos.com.ve
> >:
>     >
>     >     Hi,
>     >
>     >     I am trying to perform the migration to add the functionalities
> for
>     > the S7
>     >     driver, associated with the subscription handling of alarm and
> system
>     >     events, but I am generating a failure in compiling the driver
> from the
>     >     mspec.
>     >
>     >     In [1] I extend the step of the parameter 'cpuSubFunction' since
> I
>     > require
>     >     it to indicate the subscription model. The change is in bold.
>     >
>     >     In [2] I select the type based on the 'cpuSubFunction'.
>     >
>     >     I try to generate the driver and the compiler sends me the
> message
>     >     indicated in [3]. It points to 'S7PayloadWriteVarRequest', but I
>     > haven't
>     >     touched it.
>     >
>     >     I appreciate your comments,
>     >
>     >
>     >
>     >     [1]
>     >
>     >     [discriminatedType 'S7Payload' [uint 8 'messageType', S7Parameter
>     >     'parameter']
>     >         [typeSwitch 'parameter.discriminatorValues[0]', 'messageType'
>     >             ['0x04','0x03' S7PayloadReadVarResponse
>     >                 [array S7VarPayloadDataItem 'items' count
> 'CAST(parameter,
>     >     S7ParameterReadVarResponse).numItems' ['lastItem']]
>     >             ]
>     >             ['0x05','0x01' S7PayloadWriteVarRequest
>     >                 [array S7VarPayloadDataItem 'items' count
>     >     'COUNT(CAST(parameter, S7ParameterWriteVarRequest).items)'
>     > ['lastItem']]
>     >             ]
>     >             ['0x05','0x03' S7PayloadWriteVarResponse
>     >                 [array S7VarPayloadStatusItem 'items' count
>     > 'CAST(parameter,
>     >     S7ParameterWriteVarResponse).numItems']
>     >             ]
>     >             ['0x00','0x07' S7PayloadUserData
>     >                 [array S7PayloadUserDataItem 'items' count
>     >     'COUNT(CAST(parameter, S7ParameterUserData).items)'
>     > ['CAST(CAST(parameter,
>     >     S7ParameterUserData).items[0],
>     >     S7ParameterUserDataItemCPUFunctions).cpuFunctionType',*
>     >     'CAST(CAST(parameter, S7ParameterUserData).items[0],
>     >     S7ParameterUserDataItemCPUFunctions).getCpuSubfunction']*]
>     >             ]
>     >         ]
>     >     ]
>     >
>     >     [2]
>     >
>     >     [discriminatedType 'S7PayloadUserDataItem' [uint 4
> 'cpuFunctionType',
>     > uint
>     >     8 'cpuSubfunction']
>     >         [enum     DataTransportErrorCode 'returnCode']
>     >         [enum     DataTransportSize      'transportSize']
>     >         [implicit uint 16                'dataLength' 'lengthInBytes
> - 4']
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >     *  [typeSwitch 'cpuSubfunction'        ['0x01'            [simple
>     >  SzlId
>     >                    'szlId']            [simple   uint 16
>     >      'szlIndex']            [typeSwitch 'cpuFunctionType'
>     >     ['0x04' S7PayloadUserDataItemCpuFunctionReadSzlRequest
>       ]
>     >                 ['0x08'
> S7PayloadUserDataItemCpuFunctionReadSzlResponse
>     >                 [const    uint 16 'szlItemLength' '28']
>     >     [implicit uint 16 'szlItemCount'  'COUNT(items)']
>     > [array
>     >     SzlDataTreeItem 'items' count 'szlItemCount']                ]
>     >     ]        ]        ['0x02'        ]    ]*
>     >     ]
>     >
>     >     [3]
>     >     Failed to execute goal
>     >     org.apache.plc4x.plugins:plc4x-maven-plugin:1.2.0:generate-driver
>     >     (generate-driver) on project plc4j-driver-s7: Error generating
> sources:
>     >     Error generating output for type 'S7PayloadWriteVarRequest': Java
>     > method
>     >
>     >
> "org.apache.plc4x.language.java.JavaLanguageTemplateHelper.getArgumentType(org.apache.plc4x.plugins.codegenerator.types.references.TypeReference,
>     >     int)" threw an exception when invoked on
>     >     org.apache.plc4x.language.java.JavaLanguageTemplateHelper object
>     >
>  "org.apache.plc4x.language.java.JavaLanguageTemplateHelper@8ac512e";
>     > see
>     >     cause exception in the Java stack trace.
>     >
>     >     ----
>     >     FTL stack trace ("~" means nesting-related):
>     >     - Failed at: ${helper.getArgumentType(field.type, ...  [in
> template
>     >     "templates/java/io-template.ftlh" at line 136, column 248]
>     >     ----: Could not find definition of complex type
> S7VarPayloadDataItem
>     >     -> [Help 1]
>     >
>     >
>     >     --
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