org.eclipse.viatra2.gtasm.model org.eclipse.ui.externaltools.ExternalToolBuilder LaunchConfigHandle <project>/.externalToolBuilders/GTASM code generation.launch org.eclipse.jdt.core.javabuilder org.eclipse.pde.ManifestBuilder org.eclipse.pde.SchemaBuilder org.eclipse.jdt.core.javanature org.eclipse.pde.PluginNature