[FIR-TEST] Add option to run modularized tests with checkers

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/FirCheckersResolveProcessor.kt

+/*
+ * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.fir.analysis
+
+import org.jetbrains.kotlin.fir.FirElement
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.analysis.collectors.AbstractDiagnosticCollector
+import org.jetbrains.kotlin.fir.analysis.collectors.FirDiagnosticsCollector
+import org.jetbrains.kotlin.fir.declarations.FirDeclaration
+import org.jetbrains.kotlin.fir.declarations.FirFile
+import org.jetbrains.kotlin.fir.resolve.ScopeSession
+import org.jetbrains.kotlin.fir.resolve.transformers.FirTransformerBasedResolveProcessor
+import org.jetbrains.kotlin.fir.visitors.CompositeTransformResult
+import org.jetbrains.kotlin.fir.visitors.FirTransformer
+import org.jetbrains.kotlin.fir.visitors.compose
+
+class FirCheckersResolveProcessor(
+    session: FirSession,
+    scopeSession: ScopeSession
+) : FirTransformerBasedResolveProcessor(session, scopeSession) {
+    val diagnosticCollector = FirDiagnosticsCollector.create(session)
+
+    override val transformer: FirTransformer<Nothing?> = FirCheckersRunnerTransformer(diagnosticCollector)
+}
+
+class FirCheckersRunnerTransformer(private val diagnosticCollector: AbstractDiagnosticCollector) : FirTransformer<Nothing?>() {
+    override fun <E : FirElement> transformElement(element: E, data: Nothing?): CompositeTransformResult<E> {
+        return element.compose()
+    }
+
+    override fun transformFile(file: FirFile, data: Nothing?): CompositeTransformResult<FirDeclaration> {
+        diagnosticCollector.collectDiagnostics(file)
+        return file.compose()
+    }
+}
\ No newline at end of file

compiler/fir/modularized-tests/tests/org/jetbrains/kotlin/fir/FirResolveModularizedTotalKotlinTest.kt

@@ -15,10 +15,12 @@ import org.jetbrains.kotlin.cli.common.toBooleanLenient
 import org.jetbrains.kotlin.cli.jvm.compiler.EnvironmentConfigFiles
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.cli.jvm.compiler.TopDownAnalyzerFacadeForJVM
+import org.jetbrains.kotlin.fir.analysis.FirCheckersResolveProcessor
 import org.jetbrains.kotlin.fir.builder.RawFirBuilder
 import org.jetbrains.kotlin.fir.declarations.FirFile
 import org.jetbrains.kotlin.fir.dump.MultiModuleHtmlFirDump
 import org.jetbrains.kotlin.fir.lightTree.LightTree2Fir
+import org.jetbrains.kotlin.fir.resolve.ScopeSession
 import org.jetbrains.kotlin.fir.resolve.firProvider
 import org.jetbrains.kotlin.fir.resolve.providers.impl.FirProviderImpl
 import org.jetbrains.kotlin.fir.resolve.transformers.createAllCompilerResolveProcessors
@@ -38,6 +40,7 @@ private val DUMP_FIR = System.getProperty("fir.bench.dump", "true").toBooleanLen
 internal val PASSES = System.getProperty("fir.bench.passes")?.toInt() ?: 3
 internal val SEPARATE_PASS_DUMP = System.getProperty("fir.bench.dump.separate_pass", "false").toBooleanLenient()!!
 private val APPEND_ERROR_REPORTS = System.getProperty("fir.bench.report.errors.append", "false").toBooleanLenient()!!
+private val RUN_CHECKERS = System.getProperty("fir.bench.run.checkers", "false").toBooleanLenient()!!
 
 class FirResolveModularizedTotalKotlinTest : AbstractModularizedTest() {
 
@@ -55,7 +58,14 @@ class FirResolveModularizedTotalKotlinTest : AbstractModularizedTest() {
             .uniteWith(TopDownAnalyzerFacadeForJVM.AllJavaSourcesInProjectScope(project))
         val librariesScope = ProjectScope.getLibrariesScope(project)
         val session = createSession(environment, scope, librariesScope, moduleData.qualifiedName)
-        val processors = createAllCompilerResolveProcessors(session)
+        val scopeSession = ScopeSession()
+        val processors = createAllCompilerResolveProcessors(session, scopeSession).let {
+            if (RUN_CHECKERS) {
+                it + FirCheckersResolveProcessor(session, scopeSession)
+            } else {
+                it
+            }
+        }
 
         val firProvider = session.firProvider as FirProviderImpl
         val firFiles = if (useLightTree) {