From 0d276ff1ecf92eff341234f31211d1b99c771281 Mon Sep 17 00:00:00 2001
From: Niklas Baudy <niklas.baudy@vanniktech.de>
Date: Wed, 10 Aug 2022 12:33:02 +0200
Subject: [PATCH] IDEA: UnusedQueryInspection - fix
 ArrayIndexOutOfBoundsException. (#3427)

* IDEA: UnusedQueryInspection - fix ArrayIndexOutOfBoundsException.

* Update sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/inspections/UnusedQueryInspection.kt

Co-authored-by: Alexander Perfilyev <alexander.perfilyev@gmail.com>

Co-authored-by: Alexander Perfilyev <alexander.perfilyev@gmail.com>
---
 .../intellij/inspections/UnusedQueryInspection.kt          | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/inspections/UnusedQueryInspection.kt b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/inspections/UnusedQueryInspection.kt
index 5367a942881..773a9c01646 100644
--- a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/inspections/UnusedQueryInspection.kt
+++ b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/inspections/UnusedQueryInspection.kt
@@ -38,7 +38,12 @@ internal class UnusedQueryInspection : LocalInspectionTool() {
       fileName,
       GlobalSearchScope.moduleScope(module),
     ).firstOrNull() as KtFile? ?: return PsiElementVisitor.EMPTY_VISITOR
-    val allMethods = generatedFile.classes[0].methods
+    val allMethods = generatedFile.classes.firstOrNull()?.methods
+
+    if (allMethods == null) {
+      return PsiElementVisitor.EMPTY_VISITOR
+    }
+
     return object : SqlDelightVisitor() {
       override fun visitStmtIdentifier(o: SqlDelightStmtIdentifier) = ignoreInvalidElements {
         if (o !is StmtIdentifierMixin || o.identifier() == null) {