From d4937bc956c7bfc8405cd8ac8daf68c60aae5aca Mon Sep 17 00:00:00 2001
From: Daniil Ovchinnikov <daniil.ovchinnikov@jetbrains.com>
Date: Tue, 17 Apr 2018 17:34:04 +0300
Subject: [PATCH] [groovy] prevent recursion directly in #getSubstitutor

---
 .../plugins/groovy/lang/psi/impl/GrLiteralClassType.java     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/GrLiteralClassType.java b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/GrLiteralClassType.java
index 3dda3007d415..a81c54be94e4 100644
--- a/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/GrLiteralClassType.java
+++ b/plugins/groovy/groovy-psi/src/org/jetbrains/plugins/groovy/lang/psi/impl/GrLiteralClassType.java
@@ -12,6 +12,8 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil;
 
+import static com.intellij.openapi.util.RecursionManager.doPreventingRecursion;
+
 /**
  * @author peter
  */
@@ -52,7 +54,8 @@ public abstract class GrLiteralClassType extends PsiClassType {
       @Override
       @NotNull
       public PsiSubstitutor getSubstitutor() {
-        return mySubstitutor.getValue();
+        PsiSubstitutor substitutor = doPreventingRecursion(GrLiteralClassType.this, false, () -> mySubstitutor.getValue());
+        return substitutor == null ? PsiSubstitutor.EMPTY : substitutor;
       }
 
       @Override