This contains the examples for the book "Implementing Domain-Specific Languages with Xtext and Xtend, 2nd edition"

License: Eclipse Public License 1.0

Xtend 72.74% Java 25.95% HTML 0.61% CSS 0.32% JavaScript 0.29% Shell 0.10%

packtpub-xtext-book-2nd-examples's Introduction

Implementing Domain-Specific Languages with Xtext and Xtend, 2nd Edition

This repository contains the sources of the Examples for the book
"Implementing Domain-Specific Languages with Xtext and Xtend - Second Edition"
ISBN: 9781786464965

https://www.packtpub.com/application-development/implementing-domain-specific-languages-xtext-and-xtend-second-edition

IMPORTANT

If you plan to use Xtext 2.20 or later when reading this book, please make sure you read the WARNING part of this document's section.

ERRATA and changes in new versions of Xtext

General book Errata can be found here.

Changes required by new versions of Xtext are detailed here. The book was written using Xtext 2.10.0 and some changes were introduced in new versions of Xtext that require some modifications in the sources (and make some parts written in the book not consistent).

Getting Sources

While you can simply clone this git repository and import the projects in Eclipse, we strongly suggest you use the automatic procedure described in GETTINGSOURCES.

packtpub-xtext-book-2nd-examples's People

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packtpub-xtext-book-2nd-examples's Issues

Port to Xtext 2.17

Configuration for building with JDK11

Use Oxygen as TP

To avoid problems with conflicting Xcore version, first update to Xtext 2.12 (#11)

e

Port to Xtext 2.13

GETTINGSOURCES fails with Eclipse 18.12

Tried the setup as described her:
https://github.com/LorenzoBettini/packtpub-xtext-book-2nd-examples/blob/master/docs/GETTINGSOURCES.md
but got this error:

Executing bootstrap tasks
OpenJDK Runtime Environment 10.0.2+13
Product org.eclipse.products.epp.package.committers.latest.released
Workspace /Users/Max/xtext-book-examples-master/ws
Project com.github.user.project.xtext.book.examples.master
Bundle org.eclipse.oomph.setup 1.12.0.v20190206-0943, build=3895, branch=a662e867f63d5b59dd0935621f30827543b3c0bb
Bundle org.eclipse.oomph.setup.core 1.12.0.v20190206-0651, build=3895, branch=a662e867f63d5b59dd0935621f30827543b3c0bb
Bundle org.eclipse.oomph.setup.installer 1.12.0.v20190312-1050, build=3895, branch=a662e867f63d5b59dd0935621f30827543b3c0bb
Bundle org.eclipse.oomph.setup.p2 1.10.0.v20180706-1242, build=3895, branch=a662e867f63d5b59dd0935621f30827543b3c0bb
Performing Workspace /Users/Max/xtext-book-examples-master/ws
Performing P2 Director (Eclipse IDE for Eclipse Committers (2019-03) + Eclipse SDK + EMF + Buildship + EGit + M2E + Mylyn + Oomph Extensions + SWTBot + Eclemma Jacoco + Xtext Releases)
Offline = false
Mirrors = true
Resolving 72 requirements from 14 repositories to /Users/Max/xtext-book-examples-master/Eclipse.app/Contents/Eclipse
Requirement org.eclipse.xtext.sdk.feature.group [2.13.0,2.14.0)
Requirement org.eclipse.emf.mwe2.language.sdk.feature.group
Requirement org.eclipse.emf.mwe2.runtime.sdk.feature.group
Requirement de.itemis.xtext.antlr.feature.feature.group
Requirement org.eclipse.emf.ecore.xcore.sdk.feature.group
Requirement org.eclipse.eclemma.feature.feature.group
Requirement org.eclipse.swtbot.eclipse.feature.group
Requirement org.eclipse.swtbot.ide.feature.group
Requirement org.eclipse.swtbot.generator.feature.feature.group
Requirement org.eclipse.oomph.setup.git.feature.group
Requirement org.eclipse.oomph.setup.jdt.feature.group
Requirement org.eclipse.oomph.setup.maven.feature.group
Requirement org.eclipse.oomph.setup.mylyn.feature.group
Requirement org.eclipse.oomph.setup.pde.feature.group
Requirement org.eclipse.oomph.setup.projectset.feature.group
Requirement org.eclipse.oomph.setup.projects.feature.group
Requirement org.eclipse.oomph.setup.targlets.feature.group
Requirement org.eclipse.oomph.setup.ui.ide.feature.group
Requirement org.eclipse.oomph.setup.workbench.feature.group
Requirement org.eclipse.oomph.setup.workingsets.feature.group
Requirement org.eclipse.mylyn.bugzilla_feature.feature.group
Requirement org.eclipse.mylyn.builds.feature.group
Requirement org.eclipse.mylyn.context_feature.feature.group
Requirement org.eclipse.mylyn.discovery.feature.group
Requirement org.eclipse.mylyn.gerrit.feature.feature.group
Requirement org.eclipse.mylyn.git.feature.group
Requirement org.eclipse.mylyn.github.feature.feature.group
Requirement org.eclipse.mylyn.hudson.feature.group
Requirement org.eclipse.mylyn.ide_feature.feature.group
Requirement org.eclipse.mylyn.java_feature.feature.group
Requirement org.eclipse.mylyn.monitor.feature.group
Requirement org.eclipse.mylyn.pde_feature.feature.group
Requirement org.eclipse.mylyn.tasks.ide.feature.group
Requirement org.eclipse.mylyn.team_feature.feature.group
Requirement org.eclipse.mylyn.wikitext_feature.feature.group
Requirement org.eclipse.mylyn_feature.feature.group
Requirement org.eclipse.egit.mylyn.feature.group
Requirement org.eclipse.emf.sdk.feature.group
Requirement org.sonatype.tycho.m2e.feature.feature.group
Requirement org.eclipse.m2e.feature.feature.group
Requirement org.sonatype.m2e.buildhelper.feature.feature.group
Requirement org.eclipse.egit.feature.group
Requirement org.eclipse.buildship.feature.group
Requirement org.eclipse.emf.ecoretools.sdk.feature.group
Requirement org.eclipse.sdk.feature.group
Requirement org.eclipse.wst.xml_ui.feature.feature.group
Requirement epp.package.committers [4.11.0,5.0.0)
Requirement org.eclipse.platform.feature.group [4.11.0,5.0.0)
Requirement org.eclipse.rcp.feature.group [4.11.0,5.0.0)
Requirement org.eclipse.cvs.feature.group
Requirement org.eclipse.e4.core.tools.feature.feature.group
Requirement org.eclipse.egit.gitflow.feature.feature.group
Requirement org.eclipse.epp.mpc.feature.group
Requirement org.eclipse.jdt.feature.group
Requirement org.eclipse.jdt.source.feature.group
Requirement org.eclipse.jgit.http.apache.feature.group
Requirement org.eclipse.mylyn.commons.feature.group
Requirement org.eclipse.mylyn.commons.identity.feature.group
Requirement org.eclipse.mylyn.commons.notifications.feature.group
Requirement org.eclipse.mylyn.commons.repositories.feature.group
Requirement org.eclipse.mylyn.commons.repositories.http.feature.group
Requirement org.eclipse.mylyn.gerrit.dashboard.feature.feature.group
Requirement org.eclipse.mylyn.reviews.feature.feature.group
Requirement org.eclipse.mylyn.versions.feature.group
Requirement org.eclipse.pde.feature.group
Requirement org.eclipse.pde.source.feature.group
Requirement org.eclipse.platform.source.feature.group
Requirement org.eclipse.rcp.source.feature.group
Requirement org.eclipse.wst.json_ui.feature.feature.group
Requirement org.eclipse.oomph.setup.feature.group
Requirement org.eclipse.oomph.targlets.feature.group
Requirement org.eclipse.oomph.setup.launching.feature.group
Repository http://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.13.0/
Repository http://download.eclipse.org/modeling/emft/mwe/updates/releases/2.9.1/
Repository http://download.itemis.com/updates/releases/2.1.1/
Repository http://update.eclemma.org
Repository http://download.eclipse.org/technology/swtbot/releases/latest
Repository http://download.eclipse.org/egit/github/updates
Repository http://download.eclipse.org/mylyn/releases/latest
Repository http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-tycho/0.9.0/N/LATEST
Repository http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-buildhelper/0.15.0/N/0.15.0.201207090124/
Repository http://download.eclipse.org/egit/updates
Repository http://download.eclipse.org/buildship/updates/e45/releases/1.0
Repository http://download.eclipse.org/technology/epp/packages/2019-03
Repository http://download.eclipse.org/releases/2019-03
Repository http://download.eclipse.org/oomph/updates/milestone/latest
Adding repository http://update.eclemma.org
Adding repository http://download.eclipse.org/modeling/tmf/xtext/updates/releases/2.13.0/
Adding repository http://download.itemis.com/updates/releases/2.1.1/
Adding repository http://download.eclipse.org/modeling/emft/mwe/updates/releases/2.9.1/
Adding repository http://download.eclipse.org/technology/swtbot/releases/latest
Adding repository http://download.eclipse.org/egit/github/updates
Adding repository http://download.eclipse.org/mylyn/releases/latest
Adding repository http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-tycho/0.9.0/N/LATEST
Adding repository http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-buildhelper/0.15.0/N/0.15.0.201207090124/
Adding repository http://download.eclipse.org/egit/updates
Adding repository http://download.eclipse.org/oomph/updates/milestone/latest
Adding repository http://download.eclipse.org/releases/2019-03
Adding repository http://download.eclipse.org/technology/epp/packages/2019-03
Adding repository http://download.eclipse.org/buildship/updates/e45/releases/1.0
Calculating requirements and dependencies.
Cannot complete the request. Generating details.
ERROR: org.eclipse.equinox.p2.director code=10053 Cannot complete the install because one or more required items could not be found.
at org.eclipse.oomph.util.OomphPlugin.coreException(OomphPlugin.java:280)
at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl.resolve(ProfileTransactionImpl.java:425)
at org.eclipse.oomph.p2.internal.core.ProfileTransactionImpl.commit(ProfileTransactionImpl.java:337)
at org.eclipse.oomph.setup.p2.impl.P2TaskImpl.perform(P2TaskImpl.java:733)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.doPerformNeededSetupTasks(SetupTaskPerformer.java:3335)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performNeededSetupTasks(SetupTaskPerformer.java:3263)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.performTriggeredSetupTasks(SetupTaskPerformer.java:3244)
at org.eclipse.oomph.setup.internal.core.SetupTaskPerformer.perform(SetupTaskPerformer.java:3144)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$9.run(ProgressPage.java:575)
at org.eclipse.oomph.setup.ui.wizards.ProgressPage$11$1.run(ProgressPage.java:701)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
ERROR: org.eclipse.equinox.p2.director code=0 Software being installed: artificial_root 1.0.0.v1553163317616
ERROR: org.eclipse.equinox.p2.director code=0 Missing requirement: Xtext Runtime 2.13.0.v20171020-0920 (org.eclipse.xtext.runtime.feature.group 2.13.0.v20171020-0920) requires 'org.eclipse.equinox.p2.iu; org.objectweb.asm [5.0.1,6.0.0)' but it could not be found
ERROR: org.eclipse.equinox.p2.director code=1 Cannot satisfy dependency:
ERROR: org.eclipse.equinox.p2.director code=0 From: artificial_root 1.0.0.v1553163317616
ERROR: org.eclipse.equinox.p2.director code=0 To: org.eclipse.equinox.p2.iu; org.eclipse.xtext.sdk.feature.group [2.13.0,2.14.0)
ERROR: org.eclipse.equinox.p2.director code=1 Cannot satisfy dependency:
ERROR: org.eclipse.equinox.p2.director code=0 From: Xtext Complete SDK 2.13.0.v20171020-0920 (org.eclipse.xtext.sdk.feature.group 2.13.0.v20171020-0920)
ERROR: org.eclipse.equinox.p2.director code=0 To: org.eclipse.equinox.p2.iu; org.eclipse.xtext.runtime.feature.group [2.13.0.v20171020-0920,2.13.0.v20171020-0920]

Took 14 seconds.
There are failed tasks.
Press Back to choose different settings or Cancel to abort.

Remove SWTBot dependency

We never use it

Port to 2019-03

Entities runtime does not create src-gen folder

When you start a runtime instance of Eclipse based on the Entities meta-model, create a .entities file and then save it, an entities-gen folder is created rather than a src-gen folder.

This isn't incorrect, per se - but it is inconsistent with the book content in the 'Integration with the Eclipse Build Mechanism' section. I see that you include at the end of the section a comment that this illustrates that the name 'src-gen' isn't hardcoded. Having said that, the text appears to be inconsistent with the sample code for readers of Ch. 5.

Second edition, Chapter 13 (Extending Xbase) appears to have a typo on page 379

Here is the excerpt from the second edition of the book, page 379 - we implement, internalToConvertedExpression by simply generating in the Java code a reference to the synthetic variable associated to the original eval expression. If I understand it correctly, the instruction is to override the method internalToConvertedExpression and not internalToxpression.

Code example from the book.

override protected internalToxpression(XExpression obj, ITreeAppendable a) {
  if (obj instanceof EvalExpression)
  a.append(getVarName(obj, a))
else
  super.internalToConvertedExpression(obj, a)
 }
}

Some changes in project config file to prevent "no repository found" errors on installation

I commented out the following lines to prevent "no repository found" errors during installation with eclipse 2020-03:

line 146-147

      <!--repository
          url="https://download.eclipse.org/egit/updates"/-->

line 204- 205

      <!--repository
          url="http://download.eclipse.org/egit/github/updates"/-->

Port to Xtext 2.21.0

Port to Xtext 2.19

And check whether changes are required to projects that need to be documented

Port to Xtext 2.12

unable to build small java example via maven at the command line

From the org.example.smalljava.parent directory, building from the command line with maven fails with a ClassNotFoundException:

[org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher.main()] ERROR mf.mwe2.launch.runtime.Mwe2Launcher - org/slf4j/LoggerFactory
java.lang.NoClassDefFoundError: org/slf4j/LoggerFactory

Caused by: java.lang.ClassNotFoundException: org.slf4j.LoggerFactory
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

EntitiesQuickfixProvider.xtend copy/paste error

capitalizeEntityNameFirstLetter appears to have content copied from createMissingEntity

Fix mwe2 version in pom.xml

Make sure we use version 2.9.0 to avoid such building errors:

[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.4.0:java (mwe2Launcher) on project org.example.entities: Execution mwe2Launcher of goal org.codehaus.mojo:exec-maven-plugin:1.4.0:java failed: Plugin org.codehaus.mojo:exec-maven-plugin:1.4.0 or one of its dependencies could not be resolved: Failed to collect dependencies for org.codehaus.mojo:exec-maven-plugin:jar:1.4.0 (): Could not resolve version conflict among [org.codehaus.mojo:exec-maven-plugin:jar:1.4.0 -> org.eclipse.emf:org.eclipse.emf.mwe2.launch:jar:[2.9.0,2.10) -> org.eclipse.emf:org.eclipse.emf.mwe2.runtime:jar:[2.9.1.201705291010,2.9.1.201705291010], org.codehaus.mojo:exec-maven-plugin:jar:1.4.0 -> org.eclipse.emf:org.eclipse.emf.mwe2.launch:jar:[2.9.0,2.10) -> org.eclipse.emf:org.eclipse.emf.mwe2.language:jar:[2.9.1.201705291010,2.9.1.201705291010] -> org.eclipse.emf:org.eclipse.emf.mwe2.runtime:jar:[2.9.1.201705291010,2.9.1.201705291010], org.codehaus.mojo:exec-maven-plugin:jar:1.4.0 -> org.eclipse.xtext:org.eclipse.xtext.xtext.generator:jar:2.11.0 -> org.eclipse.emf:org.eclipse.emf.mwe.utils:jar:1.3.20.201605261059 -> org.eclipse.emf:org.eclipse.emf.mwe.core:jar:[1.3.20.201605261059,1.3.20.201605261059] -> org.eclipse.emf:org.eclipse.emf.mwe2.runtime:jar:[2.9.0.201605261059,2.9.0.201605261059], org.codehaus.mojo:exec-maven-plugin:jar:1.4.0 -> org.eclipse.xtext:org.eclipse.xtext.xtext.generator:jar:2.11.0 -> org.eclipse.emf:org.eclipse.emf.mwe2.lib:jar:2.9.0.201605261059 -> org.eclipse.emf:org.eclipse.emf.mwe2.runtime:jar:[2.9.0.201605261059,2.9.0.201605261059]] -> [Help 1]

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