IDEA-20688 XSLT Run/Debug configuration allows to Debug

platform/lang-api/src/com/intellij/execution/configurations/RunConfiguration.java

@@ -24,6 +24,10 @@ import org.jetbrains.annotations.Nullable;
 
 /**
  * @see com.intellij.execution.RunManager
+ *
+ * If debugger is provided by plugin, RunConfiguration should also implement RunConfigurationWithSuppressedDefaultDebugAction
+ * Otherwise (in case of disabled plugin) debug action may be enabled in UI but with no reaction
+ * @see RunConfigurationWithSuppressedDefaultDebugAction
  */
 public interface RunConfiguration extends RunProfile, JDOMExternalizable, Cloneable {
   ConfigurationFactory getFactory();

platform/lang-api/src/com/intellij/execution/configurations/RunConfigurationWithSuppressedDefaultDebugAction.java

@@ -13,7 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.intellij.debugger.impl;
 
+package com.intellij.execution.configurations;
+
+// This interface for RunConfiguration indicates specific debugger (e.g. provided by plugin)
+// and RunConfiguration won't be started with default runner (UI will show disabled button)
 public interface RunConfigurationWithSuppressedDefaultDebugAction {
 }

plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/run/XsltRunConfiguration.java

@@ -59,7 +59,7 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
-public final class XsltRunConfiguration extends RunConfigurationBase implements LocatableConfiguration, ModuleRunConfiguration {
+public final class XsltRunConfiguration extends RunConfigurationBase implements LocatableConfiguration, ModuleRunConfiguration, RunConfigurationWithSuppressedDefaultDebugAction {
     private static final String NAME = "XSLT Configuration";
 
     private static final String STRICT_FILE_PATH_EXPR = "(file\\://?(?:/?\\p{Alpha}\\:)?(?:/\\p{Alpha}\\:)?[^:]+)";