From 4c8ffda004b178f8fd8c1f4baf8852a062caef86 Mon Sep 17 00:00:00 2001
From: Andrey Cherkasov <andrey.cherkasov@jetbrains.com>
Date: Fri, 1 Mar 2024 11:42:10 +0400
Subject: [PATCH] [kotlin] Introduce `ConvertLambdaToReferenceUtils`

to share functions that don't require analysis between K1 and K2 implementations of ConvertLambdaToReferenceIntention.

^KTIJ-27702

GitOrigin-RevId: 2fb69984b9e79766e1a9ce1513291515586da60f
---
 .../utils/ConvertLambdaToReferenceUtils.kt    | 20 +++++++++++++++++++
 .../ConvertLambdaToReferenceIntention.kt      | 15 ++++----------
 2 files changed, 24 insertions(+), 11 deletions(-)
 create mode 100644 plugins/kotlin/code-insight/utils/src/org/jetbrains/kotlin/idea/codeinsight/utils/ConvertLambdaToReferenceUtils.kt

diff --git a/plugins/kotlin/code-insight/utils/src/org/jetbrains/kotlin/idea/codeinsight/utils/ConvertLambdaToReferenceUtils.kt b/plugins/kotlin/code-insight/utils/src/org/jetbrains/kotlin/idea/codeinsight/utils/ConvertLambdaToReferenceUtils.kt
new file mode 100644
index 000000000000..e248f6355ed5
--- /dev/null
+++ b/plugins/kotlin/code-insight/utils/src/org/jetbrains/kotlin/idea/codeinsight/utils/ConvertLambdaToReferenceUtils.kt
@@ -0,0 +1,20 @@
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package org.jetbrains.kotlin.idea.codeinsight.utils
+
+import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.psiUtil.getStrictParentOfType
+import org.jetbrains.kotlin.renderer.render
+
+object ConvertLambdaToReferenceUtils {
+
+    fun KtCallExpression.getCallReferencedName(): String? =
+        (calleeExpression as? KtNameReferenceExpression)?.getSafeReferencedName()
+
+    fun KtNameReferenceExpression.getSafeReferencedName(): String = getReferencedNameAsName().render()
+
+    fun KtLambdaExpression.singleStatementOrNull(): KtExpression? = bodyExpression?.statements?.singleOrNull()
+
+    fun KtLambdaExpression.isArgument(): Boolean {
+        return this === getStrictParentOfType<KtValueArgument>()?.getArgumentExpression()?.let(KtPsiUtil::safeDeparenthesize)
+    }
+}
\ No newline at end of file
diff --git a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/ConvertLambdaToReferenceIntention.kt b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/ConvertLambdaToReferenceIntention.kt
index a5fae8c2d1c5..bf8e8ad43f88 100644
--- a/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/ConvertLambdaToReferenceIntention.kt
+++ b/plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/intentions/ConvertLambdaToReferenceIntention.kt
@@ -16,6 +16,10 @@ import org.jetbrains.kotlin.idea.caches.resolve.resolveToCall
 import org.jetbrains.kotlin.idea.caches.resolve.safeAnalyzeNonSourceRootCode
 import org.jetbrains.kotlin.idea.codeinsight.api.classic.inspections.IntentionBasedInspection
 import org.jetbrains.kotlin.idea.codeinsight.api.classic.intentions.SelfTargetingOffsetIndependentIntention
+import org.jetbrains.kotlin.idea.codeinsight.utils.ConvertLambdaToReferenceUtils.getCallReferencedName
+import org.jetbrains.kotlin.idea.codeinsight.utils.ConvertLambdaToReferenceUtils.getSafeReferencedName
+import org.jetbrains.kotlin.idea.codeinsight.utils.ConvertLambdaToReferenceUtils.isArgument
+import org.jetbrains.kotlin.idea.codeinsight.utils.ConvertLambdaToReferenceUtils.singleStatementOrNull
 import org.jetbrains.kotlin.idea.core.ShortenReferences
 import org.jetbrains.kotlin.idea.core.setType
 import org.jetbrains.kotlin.idea.imports.importableFqName
@@ -33,7 +37,6 @@ import org.jetbrains.kotlin.psi.psiUtil.getPossiblyQualifiedCallExpression
 import org.jetbrains.kotlin.psi.psiUtil.getQualifiedExpressionForSelectorOrThis
 import org.jetbrains.kotlin.psi.psiUtil.getStrictParentOfType
 import org.jetbrains.kotlin.psi2ir.deparenthesize
-import org.jetbrains.kotlin.renderer.render
 import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.BindingContext.FUNCTION
 import org.jetbrains.kotlin.resolve.BindingContext.REFERENCE_TARGET
@@ -450,16 +453,6 @@ private fun KtLambdaExpression.parentValueArgument(): KtValueArgument? {
     } as? KtValueArgument
 }
 
-private fun KtCallExpression.getCallReferencedName(): String? =
-    (calleeExpression as? KtNameReferenceExpression)?.getSafeReferencedName()
-
-private fun KtNameReferenceExpression.getSafeReferencedName(): String = getReferencedNameAsName().render()
-
-private fun KtLambdaExpression.singleStatementOrNull(): KtExpression? = bodyExpression?.statements?.singleOrNull()
-
-private fun KtLambdaExpression.isArgument(): Boolean =
-    this === getStrictParentOfType<KtValueArgument>()?.getArgumentExpression()?.deparenthesize()
-
 private fun KtNameReferenceExpression.renderTargetReceiverType(
     context: BindingContext,
     resolvedCall: ResolvedCall<out CallableDescriptor>? = null