Analysis API: Use stub FirDataFlowAnalyzer when getting candidates.

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/resolver/resolverUtils.kt

@@ -7,9 +7,17 @@ package org.jetbrains.kotlin.analysis.low.level.api.fir.resolver
 
 import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
+import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.resolve.ScopeSession
+import org.jetbrains.kotlin.fir.resolve.dfa.FirDataFlowAnalyzer
+import org.jetbrains.kotlin.fir.resolve.dfa.LogicSystem
+import org.jetbrains.kotlin.fir.resolve.dfa.PersistentFlow
+import org.jetbrains.kotlin.fir.resolve.dfa.PropertyStability
+import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.BodyResolveContext
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirAbstractBodyResolveTransformer
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirBodyResolveTransformer
+import org.jetbrains.kotlin.fir.symbols.FirBasedSymbol
+import org.jetbrains.kotlin.fir.types.ConeKotlinType
 
 internal fun createStubBodyResolveComponents(firSession: FirSession): FirAbstractBodyResolveTransformer.BodyResolveTransformerComponents {
     val scopeSession = ScopeSession()
@@ -22,10 +30,33 @@ internal fun createStubBodyResolveComponents(firSession: FirSession): FirAbstrac
         scopeSession = scopeSession,
     )
 
-    return FirAbstractBodyResolveTransformer.BodyResolveTransformerComponents(
+    return StubBodyResolveTransformerComponents(
         firSession,
         scopeSession,
         stubBodyResolveTransformer,
         stubBodyResolveTransformer.context,
     )
+}
+
+private class StubBodyResolveTransformerComponents(
+    session: FirSession,
+    scopeSession: ScopeSession,
+    transformer: FirBodyResolveTransformer,
+    context: BodyResolveContext
+) : FirAbstractBodyResolveTransformer.BodyResolveTransformerComponents(
+    session,
+    scopeSession,
+    transformer,
+    context,
+) {
+    override val dataFlowAnalyzer: FirDataFlowAnalyzer<*>
+        get() = object : FirDataFlowAnalyzer<PersistentFlow>(this@StubBodyResolveTransformerComponents, context.dataFlowAnalyzerContext) {
+            override val logicSystem: LogicSystem<PersistentFlow>
+                get() = error("Should not be called")
+
+            override fun getTypeUsingSmartcastInfo(
+                symbol: FirBasedSymbol<*>,
+                expression: FirExpression
+            ): Pair<PropertyStability, MutableList<ConeKotlinType>>? = null
+        }
 }