Don't try to assign comments to fake overrides

smowton · igfoo · commit 8d6ae50d2163 · 2022-05-10T19:51:24.000+01:00
diff --git a/java/kotlin-extractor/src/main/kotlin/utils/IrVisitorLookup.kt b/java/kotlin-extractor/src/main/kotlin/utils/IrVisitorLookup.kt
@@ -3,7 +3,9 @@ package com.github.codeql.utils
 import com.github.codeql.utils.versions.Psi2Ir
 import com.intellij.psi.PsiElement
 import org.jetbrains.kotlin.ir.IrElement
+import org.jetbrains.kotlin.ir.declarations.IrDeclaration
 import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.util.isFakeOverride
 import org.jetbrains.kotlin.ir.visitors.IrElementVisitor
 
 class IrVisitorLookup(private val psi: PsiElement, private val file: IrFile) :
@@ -18,6 +20,12 @@ class IrVisitorLookup(private val psi: PsiElement, private val file: IrFile) :
             return
         }
 
+        if (element is IrDeclaration && element.isFakeOverride) {
+            // These aren't extracted, so we don't expect anything to exist
+            // to which we could ascribe a comment.
+            return
+        }
+
         if (location.contains(elementLocation)) {
             val psiElement = Psi2Ir().findPsiElement(element, file)
             if (psiElement == psi) {
