Catch exceptions from decompiler service

EA-108937 - RE: InvocationExprent.toJava

idea/src/org/jetbrains/kotlin/idea/internal/KotlinDecompilerAdapter.kt

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.idea.internal
@@ -28,7 +17,12 @@ import org.jetbrains.kotlin.psi.KtFile
 
 fun showDecompiledCode(sourceFile: KtFile) {
     val decompilerService = KotlinDecompilerService.getInstance() ?: return
-    val decompiledCode = decompilerService.decompile(sourceFile)
+    val decompiledCode = try {
+        decompilerService.decompile(sourceFile)
+    } catch (e: DecompileFailedException) {
+        null
+    }
+
     if (decompiledCode == null) {
         Messages.showErrorDialog("Cannot decompile ${sourceFile.name}", "Decompiler error")
         return