I'm still unable to compile the project with 2.10 (2.9 works fine) an the latest nightly build (2.1.0.nightly-2_10-201209180319-156768e). Errors:
[ERROR] /home/antoras/dev/Scala/scala-ide/org.scala-ide.sdt.core/src/scala/tools/eclipse/ScalaPresentationCompiler.scala:151: error: not found: value InvalidCompanions
[ERROR] case e @ InvalidCompanions(c1, c2) =>
[ERROR] ^
[ERROR] /home/antoras/dev/Scala/scala-ide/org.scala-ide.sdt.core/src/scala/tools/eclipse/ScalaPresentationCompiler.scala:152: error: not found: value c1
[WARNING] reporter.warning(c1.pos, e.getMessage)
[INFO] ^
[ERROR] /home/antoras/dev/Scala/scala-ide/org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements/ScalaOverrideIndicatorBuilder.scala:46: error: too many arguments for constructor AnnotationInfo: ()ScalaOverrideIndicatorBuilder.this.AnnotationInfo
[ERROR] case class ScalaIndicator(scu: ScalaCompilationUnit, text: String, base: Symbol, val isOverwrite: Boolean)
[ERROR] ^
[ERROR] /home/antoras/dev/Scala/scala-ide/org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements/ScalaStructureBuilder.scala:51: error: not found: type InvalidCompanions
[ERROR] case e: InvalidCompanions => NoSymbol
[ERROR] ^
[ERROR] /home/antoras/dev/Scala/scala-ide/org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements/ScalaStructureBuilder.scala:789: error: class AnnotationInfo is abstract; cannot be instantiated
[ERROR] val handle = new Annotation(parentHandle, name)
[ERROR] ^
[ERROR] /home/antoras/dev/Scala/scala-ide/org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements/ScalaStructureBuilder.scala:860: error: value NO_MEMBER_VALUE_PAIRS is not a member of object ScalaStructureBuilder.this.Annotation
[ERROR] info.members = if(ann.assocs.isEmpty) Annotation.NO_MEMBER_VALUE_PAIRS else getMemberValuePairs(handle, ann.assocs)
[ERROR] ^
[ERROR] /home/antoras/dev/Scala/scala-ide/org.scala-ide.sdt.core/src/scala/tools/eclipse/javaelements/ScalaStructureBuilder.scala:860: error: type mismatch;
[ERROR] found : ScalaStructureBuilder.this.Annotation
[ERROR] (which expands to) ScalaStructureBuilder.this.AnnotationInfo
[ERROR] required: org.eclipse.jdt.internal.core.JavaElement
[ERROR] info.members = if(ann.assocs.isEmpty) Annotation.NO_MEMBER_VALUE_PAIRS else getMemberValuePairs(handle, ann.assocs)
[ERROR] ^
What to do?