avoid exception on trying to detect injection inside another injection (WI-9523)

diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java
index 050f1efad0693c6a6cd73d7ce7dafac887307f66..7baf631f9661108d6a1d4f792ff52d27d5d6a986 100644 (file)
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/tree/injected/InjectedLanguageUtil.java
@@ -132,6 +132,8 @@ public class InjectedLanguageUtil {
       if (file == null || !file.isPhysical() && file.getOriginalFile() == file) return;
     }
 
       if (file == null || !file.isPhysical() && file.getOriginalFile() == file) return;
     }
 

+    if (containingFile.getViewProvider() instanceof InjectedFileViewProvider) return; // no injection inside injection
+

     PsiElement inTree = loadTree(host, containingFile);
     if (inTree != host) {
       host = inTree;
     PsiElement inTree = loadTree(host, containingFile);
     if (inTree != host) {
       host = inTree;