Building with Ant

#12 Building with Ant

Oct 06, 2012 | 10 minutes | Build
In this episode I show how to build a standard Xtext project with an Ant.
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R.M.Morrien about 12 years ago

Nice! Any chance of creating a maven version as well?

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Boris Brodski about 12 years ago

Yes, it will come :-)

The build with maven is pretty good documented already. Most open source projects (like Jnario and Xtext itself) use it. So, I decided to start with the Ant build.

Meanwhile, you could also take a look at this:
https://github.com/aphethean/xtext-maven-examples

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tgoossens over 11 years ago

Hi. Generate artifacts works great. However, I'm unable to compile the xtend classes.

ERROR DeclaredTypeFactory - Incomplete nested types for org.eclipse.emf.common.util.BasicDiagnostic: java.lang.NoClassDefFoundError: org/eclipse/core/runtime/IStatus

I used the jar in my eclipse folder: org.eclipse.core.runtime_3.7.0.v20110110.jar and added it to the libs folder. But I noticed that that jar doesn't contain IStatus

Any hints are highly appreciated :)

(great video btw!)

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tgoossens over 11 years ago

Solved it. IStatus is in the org.eclipse.equinox.common jar

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Boris Brodski over 11 years ago

Hi,

I use following command to find jars with required classes:

$ cd path/to/eclipse/plugins
$ find . -name "*.jar" -print -exec bash -c 'unzip -l "{}" | grep IStatus' \;

Works on Linux/Mac or on MinGW/Cygwin on Windows

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rajuingithub almost 11 years ago

Hi.
The video was good, it helped me much.
Generate artifacts works great. However, I'm unable to compile the xtend classes, I am getting the following error.

compile-xtend:
[java] Exception in thread "main" java.lang.NoClassDefFoundError: org/objectweb/asm/ClassVisitor
[java] at java.lang.ClassLoader.defineClass1(Native Method)
[java] at java.lang.ClassLoader.defineClass(Unknown Source)
[java] at java.security.SecureClassLoader.defineClass(Unknown Source)
[java] at java.net.URLClassLoader.defineClass(Unknown Source)
[java] at java.net.URLClassLoader.access$100(Unknown Source)
[java] at java.net.URLClassLoader$1.run(Unknown Source)
[java] at java.net.URLClassLoader$1.run(Unknown Source)
[java] at java.security.AccessController.doPrivileged(Native Method)
[java] at java.net.URLClassLoader.findClass(Unknown Source)
[java] at java.lang.ClassLoader.loadClass(Unknown Source)
[java] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
[java] at java.lang.ClassLoader.loadClass(Unknown Source)
[java] at org.eclipse.xtext.common.types.access.impl.DeclaredTypeFactory.doCreateType(DeclaredTypeFactory.java:72)
[java] at org.eclipse.xtext.common.types.access.impl.DeclaredTypeFactory.createType(DeclaredTypeFactory.java:62)
[java] at org.eclipse.xtext.common.types.access.impl.DeclaredTypeFactory.createType(DeclaredTypeFactory.java:1)
[java] at org.eclipse.xtext.common.types.access.binary.BinaryClassMirror.initialize(BinaryClassMirror.java:41)
[java] at org.eclipse.xtext.common.types.access.TypeResource.doLoad(TypeResource.java:115)
[java] at org.eclipse.emf.ecore.resource.impl.ResourceImpl.load(ResourceImpl.java:1518)
[java] at org.eclipse.xtext.common.types.access.TypeResource.load(TypeResource.java:102)
[java] at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandLoad(ResourceSetImpl.java:259)
[java] at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.demandLoadHelper(ResourceSetImpl.java:274)
[java] at org.eclipse.xtext.resource.XtextResourceSet.getResource(XtextResourceSet.java:201)
[java] at org.eclipse.xtext.resource.SynchronizedXtextResourceSet.getResource(SynchronizedXtextResourceSet.java:26)
[java] at org.eclipse.xtext.common.types.access.impl.ClasspathTypeProvider.findTypeByClass(ClasspathTypeProvider.java:212)
[java] at org.eclipse.xtext.common.types.access.impl.ClasspathTypeProvider.findTypeByName(ClasspathTypeProvider.java:168)
[java] at org.eclipse.xtext.common.types.access.impl.ClasspathTypeProvider.findTypeByName(ClasspathTypeProvider.java:187)
[java] at org.eclipse.xtext.common.types.xtext.AbstractTypeScope.getSingleElement(AbstractTypeScope.java:60)
[java] at org.eclipse.xtend.core.scoping.RecordingTypeScope.getSingleElement(RecordingTypeScope.java:35)
[java] at org.eclipse.xtend.core.scoping.TypeScopeWithWildcardImports.getSingleElement(TypeScopeWithWildcardImports.java:52)
[java] at org.eclipse.xtend.core.scoping.KnownTypesScope.getSingleElement(KnownTypesScope.java:40)
[java] at org.eclipse.xtend.core.scoping.PrimitiveAwareScope.getSingleElement(PrimitiveAwareScope.java:39)
[java] at org.eclipse.xtend.core.scoping.CachingTypeScope.getSingleElement(CachingTypeScope.java:40)
[java] at org.eclipse.xtext.linking.impl.DefaultLinkingService.getLinkedObjects(DefaultLinkingService.java:120)
[java] at org.eclipse.xtext.linking.lazy.LazyLinkingResource.getEObject(LazyLinkingResource.java:228)
[java] at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getEObject(BatchLinkableResource.java:105)
[java] at org.eclipse.emf.ecore.resource.impl.ResourceSetImpl.getEObject(ResourceSetImpl.java:223)
[java] at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:198)
[java] at org.eclipse.emf.ecore.util.EcoreUtil.resolve(EcoreUtil.java:258)
[java] at org.eclipse.emf.ecore.impl.BasicEObjectImpl.eResolveProxy(BasicEObjectImpl.java:1473)
[java] at org.eclipse.xtext.common.types.impl.JvmTypeReferenceImplCustom.eResolveProxy(JvmTypeReferenceImplCustom.java:37)
[java] at org.eclipse.xtext.common.types.impl.JvmParameterizedTypeReferenceImpl.getType(JvmParameterizedTypeReferenceImpl.java:112)
[java] at org.eclipse.xtend.core.jvmmodel.XtendJvmModelInferrer.initialize(XtendJvmModelInferrer.java:301)
[java] at org.eclipse.xtend.core.jvmmodel.XtendJvmModelInferrer$3.run(XtendJvmModelInferrer.java:174)
[java] at org.eclipse.xtend.core.jvmmodel.XtendJvmModelInferrer.infer(XtendJvmModelInferrer.java:229)
[java] at org.eclipse.xtext.xbase.jvmmodel.JvmModelAssociator.installDerivedState(JvmModelAssociator.java:302)
[java] at org.eclipse.xtext.resource.DerivedStateAwareResource.installDerivedState(DerivedStateAwareResource.java:145)
[java] at org.eclipse.xtext.xbase.resource.BatchLinkableResource.getContents(BatchLinkableResource.java:130)
[java] at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:280)
[java] at org.eclipse.emf.ecore.util.EcoreUtil.resolveAll(EcoreUtil.java:270)
[java] at org.eclipse.xtend.core.compiler.batch.XtendBatchCompiler.compile(XtendBatchCompiler.java:392)
[java] at org.eclipse.xtend.core.compiler.batch.Main.main(Main.java:55)
[java] Caused by: java.lang.ClassNotFoundException: org.objectweb.asm.ClassVisitor
[java] at java.net.URLClassLoader$1.run(Unknown Source)
[java] at java.net.URLClassLoader$1.run(Unknown Source)
[java] at java.security.AccessController.doPrivileged(Native Method)
[java] at java.net.URLClassLoader.findClass(Unknown Source)
[java] at java.lang.ClassLoader.loadClass(Unknown Source)
[java] at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
[java] at java.lang.ClassLoader.loadClass(Unknown Source)
[java] ... 51 more

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Boris Brodski almost 11 years ago

Yes, starting with Xtext 2.5.0 you need a new dependency:

  • org.objectweb.asm (version 3.3.1 or later)

Just add the new jar to your build process.

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rajuingithub almost 11 years ago

Hi Boris,

Thanks for quick Reply,It worked for me and i am able to compile them. I just need one more help from you, I just want to make plugins out of this compiled classes, how to proceed on this.

Thanks

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Boris Brodski almost 11 years ago

Hello,

this isn't that easy and it wasn't topic of the screencast. You have to configure and run eclipse in headless mode using eclipse compiler and export routines.

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yumupinglan over 8 years ago

Hi Boris,

When I compile them , the error "XXXX cannot resolved to a type" will occur. And "XXXX" was a class auto generated by emf model. So I cannot compile successful.

Thanks

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yumupinglan over 8 years ago

Hi Boris,

When I compile them , the error "XXXX cannot resolved to a type" will occur. And "XXXX" was a class auto generated by emf model. So I cannot compile successful.

Thanks

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