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Home » Modeling » TMF (Xtext) » Which type of problem is this?(I want to translate PLC to C++. i use the 4 diac ST xtext file. but here come some problem)

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Which type of problem is this? [message #1862297]

Thu, 23 November 2023 02:49

xinyuan rao

Messages: 2
Registered: November 2023

Junior Member

Caused by: java.lang.IllegalStateException: Problem parsing 'file:/D:/学习资料/毕设/PLC/org.xtext.ST/../org.xtext.ST/src/org/xtext/ST/Myst.xtext':
XtextLinkingDiagnostic: null:22 Couldn't resolve reference to EPackage 'org.eclipse.fordiac.ide.model.datatype'.
XtextLinkingDiagnostic: null:23 Couldn't resolve reference to EPackage 'org.eclipse.fordiac.ide.model.libraryElement'.
XtextLinkingDiagnostic: null:34 Couldn't resolve reference to EClassifier 'VarDeclaration'.
XtextLinkingDiagnostic: null:40 Couldn't resolve reference to EClassifier 'DataType'.
XtextLinkingDiagnostic: null:47 Couldn't resolve reference to EClassifier 'DataType'.
XtextLinkingDiagnostic: null:221 Couldn't resolve reference to EClassifier 'AdapterDeclaration'.
XtextLinkingDiagnostic: null:221 Couldn't resolve reference to EClassifier 'VarDeclaration'.
XtextLinkingDiagnostic: null:237 Couldn't resolve reference to EClassifier 'VarDeclaration'.
TransformationDiagnostic: null:34 Cannot create type without declared package. (ErrorCode: UnknownMetaModelAlias)
at org.eclipse.xtext.xtext.generator.XtextGeneratorLanguage.initialize(XtextGeneratorLanguage.java:229)
at org.eclipse.xtext.xtext.generator.StandardLanguage.initialize(StandardLanguage.java:167)
at org.eclipse.xtext.xtext.generator.XtextGenerator.initialize(XtextGenerator.java:189)
at org.eclipse.xtext.xtext.generator.XtextGenerator.checkConfigurationInternal(XtextGenerator.java:157)
at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent2.checkConfiguration(AbstractWorkflowComponent2.java:23)
at org.eclipse.emf.mwe.core.lib.Mwe2Bridge.preInvoke(Mwe2Bridge.java:69)
at org.eclipse.emf.mwe.core.lib.AbstractWorkflowComponent.preInvoke(AbstractWorkflowComponent.java:208)
at org.eclipse.emf.mwe2.runtime.workflow.AbstractCompositeWorkflowComponent.preInvoke(AbstractCompositeWorkflowComponent.java:31)
at org.eclipse.emf.mwe2.runtime.workflow.Workflow.run(Workflow.java:20)
at org.eclipse.emf.mwe2.launch.runtime.Mwe2Runner.run(Mwe2Runner.java:103)
... 4 more

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Re: Which type of problem is this? [message #1862298 is a reply to message #1862297]

Thu, 23 November 2023 04:30

Christian Dietrich

Messages: 14735
Registered: July 2009

Senior Member

Hi what do you do in your grammar and workflow regarding that package respectively it's genmodel

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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Re: Which type of problem is this? [message #1862302 is a reply to message #1862298]

Thu, 23 November 2023 10:31

xinyuan rao

Messages: 2
Registered: November 2023

Junior Member

I just import the package org.eclipse.fordiac.ide.model
it shows Couldn't resolve reference to EPackage

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Re: Which type of problem is this? [message #1862305 is a reply to message #1862302]

Thu, 23 November 2023 13:24

Christian Dietrich

Messages: 14735
Registered: July 2009

Senior Member

but what is your intention there? what is the ns of the package?
do you use something like

language = StandardLanguage {
referencedresource="platform:/resource/<metamodelplugin>/model/<metamodel>.genmodel"

in the workflow

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de
Day Job: https://www.everest-systems.com

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