[stefan-ka]

Removes the Eclipse plugin and the Maven/Tycho build. The repository then only contains the CML language (standalone library context-mapper-dsl), the language server for the VS Code extension (context-mapper-lsp) and their tests, built with Gradle only, as in a language-server-only project created by the Xtext wizard. Rationale: ADR 0003 (status "proposed").

Changes

• Removed: Eclipse UI plugin and its tests, feature, p2 update site, target platform (≈ 10'000 lines)
• Removed: Maven/Tycho build (all pom.xml, Maven wrapper); the version moved to gradle.properties
• Xtext generation (MWE2): no Eclipse plugin, plugin tests and Eclipse metadata anymore. The generated runtime, LSP and test code is identical to before (compared file by file).
• Removed: OSGi/Eclipse metadata (MANIFEST.MF, build.properties, plugin.xml, launch configs, versioned .project/.classpath)
• Removed: HTMLHoverTextProvider4CML (HTML hover texts, only used by the Eclipse editor; the LSP uses the Markdown variant)
• Moved: Freemarker sample templates from the UI plugin to samples/freemarker (they were only reachable via an Eclipse example wizard)
• Workflows: Eclipse jobs removed; the release trigger no longer uses the maven-release-plugin, but works on gradle.properties (same commit/tag scheme vX.Y.Z, same CI token; release and next version can be given as inputs)
• README: VS Code only, note that 6.12.0 is the last Eclipse version, development section for Gradle; build badge fixed
• Bug report template: VS Code / library instead of Eclipse

Features that were only available in Eclipse

• XMI generator as IDE command (the XMIGenerator is still part of the library)
• "New CML File" wizard and Freemarker template examples wizard (templates now in samples/freemarker)
• Eclipse editor features: quick outline, structure compare editor, preference pages for validation severities, "Generators"/"Refactor" quick menus

All other generators, refactorings (ARs) and quick fixes exist in the language server as well. The language server offers completion, validation, hover, go to definition, find references, rename, document/workspace symbols (outline), formatting, semantic highlighting and code actions.

Verification

• ./gradlew clean build (JDK 17): 789 DSL tests (one test less: the removed HTML hover provider) and 86 LSP tests green
• Published artifacts compared with the current master snapshot (Central Portal): context-mapper-dsl jar identical except the removed HTML hover class; context-mapper-lsp jar and LSP distribution (bundled by the VS Code extension) identical
• Language server of the new build started and answered an LSP initialize request
• Release trigger logic tested locally against a dummy repository (version defaults, validation, existing tag, commit/tag/push)
• The open PRs Add nonResponsibilities to BoundedContext (#372) #383–Fix MDSL generation with empty protected regions (#219) #389 merge cleanly into this branch; Improve support for Bounded Context Canvas and Aggregate Design Canvas #362 doesn't touch removed files

To do outside this repository

• Eclipse Marketplace entry: mark as discontinued / point to VS Code
• Update site repositories (eclipse-update-site, eclipse-update-site-snapshots): keep for 6.12.0, archive
• Website (contextmapper.org): many docs describe the Eclipse plugin; the GitHub wiki (IDE setup, development) is outdated
• GH_CI_TOKEN is still needed for the release trigger; GH_CI_USERNAME is no longer used

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.8%. Comparing base (17d16de) to head (1d5176e).

Additional details and impacted files

@@           Coverage Diff            @@
##             master    #391   +/-   ##
========================================
  Coverage      91.8%   91.8%           
- Complexity     2230    2231    +1     
========================================
  Files           211     211           
  Lines          5942    5942           
  Branches        807     807           
========================================
+ Hits           5458    5459    +1     
  Misses          230     230           
+ Partials        254     253    -1     

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