From cee38e080055b2672063fb1229c765a4103571cb Mon Sep 17 00:00:00 2001
From: Denis Zharkov <denis.zharkov@jetbrains.com>
Date: Fri, 8 May 2020 10:48:13 +0300
Subject: [PATCH] FIR: Implement FirScopeProvider.getStaticScope

It will be used in the following commits
---
 .../kotlin/fir/scopes/FirScopeProvider.kt       | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirScopeProvider.kt b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirScopeProvider.kt
index 0e7c4a4c813..2ff24ba35c2 100644
--- a/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirScopeProvider.kt
+++ b/compiler/fir/tree/src/org/jetbrains/kotlin/fir/scopes/FirScopeProvider.kt
@@ -27,4 +27,21 @@ abstract class FirScopeProvider {
         useSiteSession: FirSession,
         scopeSession: ScopeSession
     ): FirScope?
+
+    fun getStaticScope(
+        klass: FirClass<*>,
+        useSiteSession: FirSession,
+        scopeSession: ScopeSession
+    ): FirScope? {
+        val nestedClassifierScope = getNestedClassifierScope(klass, useSiteSession, scopeSession)
+        val callableScope = getStaticMemberScopeForCallables(klass, useSiteSession, scopeSession)
+
+        return when {
+            nestedClassifierScope != null && callableScope != null ->
+                FirReadOnlyCompositeScope(listOf(nestedClassifierScope, callableScope))
+            else -> nestedClassifierScope ?: callableScope
+        }
+    }
 }
+
+private class FirReadOnlyCompositeScope(override val scopes: Iterable<FirScope>) : FirIterableScope()