refactor: simplify language project

* Move all utilities for language-model to language, since they do not
  make sense on their own
* Convert xtend code into java

2 files changed, 0 insertions, 38 deletions

diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index b9e3d8d1..cd3101be 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -11,5 +11,4 @@ dependencies {
         implementation libs.gradlePlugin.frontend
         implementation libs.gradlePlugin.shadow
         implementation libs.gradlePlugin.sonarqube
-        implementation libs.gradlePlugin.xtend
 }
diff --git a/buildSrc/src/main/groovy/refinery-xtend.gradle b/buildSrc/src/main/groovy/refinery-xtend.gradle
deleted file mode 100644
index a0a8c29e..00000000
--- a/buildSrc/src/main/groovy/refinery-xtend.gradle
+++ /dev/null
@@ -1,37 +0,0 @@
-plugins {
-        id 'org.xtext.xtend'
-        id 'refinery-java-conventions'
-        id 'refinery-sonarqube'
-}
-
-sourceSets {
-        main {
-                xtendOutputDir = 'src/main/xtend-gen'
-        }
-        test {
-                xtendOutputDir = 'src/test/xtend-gen'
-        }
-}
-
-xtend.generator {
-        // As of Xtext 2.28.0.M1, the Xbase compiler doesn't know how to handle Java 12 and up
-        // and the build fails with a NullPointerException if such Java version is specified.
-        javaSourceLevel = '11'
-}
-
-tasks.named('clean') {
-        delete 'src/main/xtend-gen'
-        delete 'src/test/xtend-gen'
-}
-
-sonarqube.properties {
-        properties['sonar.exclusions'] += [
-                'src/main/xtend-gen/**',
-                'src/test/xtend-gen/**',
-        ]
-}
-
-tasks.named('generateEclipseSourceFolders') {
-        dependsOn tasks.named('generateXtext')
-        dependsOn tasks.named('generateTestXtext')
-}