Kapt: Provide SourceRetentionAnnotationHandler for incremental compilation.

Collect annotations with the "SOURCE" retention.
(cherry picked from commit 6ef66e7)

build-common/src/org/jetbrains/kotlin/incremental/IncrementalCompilationComponentsImpl.kt

@@ -17,16 +17,20 @@
 package org.jetbrains.kotlin.incremental
 
 import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.SourceRetentionAnnotationHandler
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCompilationComponents
 import org.jetbrains.kotlin.modules.TargetId
 
 class IncrementalCompilationComponentsImpl(
         private val caches: Map<TargetId, IncrementalCache>,
-        private val lookupTracker: LookupTracker
+        private val lookupTracker: LookupTracker,
+        private val sourceRetentionAnnotationHandler: SourceRetentionAnnotationHandler?
 ): IncrementalCompilationComponents {
     override fun getIncrementalCache(target: TargetId): IncrementalCache =
             caches[target] ?: throw Exception("Incremental cache for target ${target.name} not found")
 
     override fun getLookupTracker(): LookupTracker = lookupTracker
+
+    override fun getSourceRetentionAnnotationHandler() = sourceRetentionAnnotationHandler 
 }

build-common/src/org/jetbrains/kotlin/incremental/SourceRetentionAnnotationHandlerImpl.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2010-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.incremental
+
+import org.jetbrains.kotlin.incremental.components.SourceRetentionAnnotationHandler
+
+class SourceRetentionAnnotationHandlerImpl : SourceRetentionAnnotationHandler {
+    private val mutableSourceRetentionAnnotations = mutableSetOf<String>()
+    
+    val sourceRetentionAnnotations: Set<String>
+        get() = mutableSourceRetentionAnnotations
+    
+    override fun register(internalName: String) {
+        mutableSourceRetentionAnnotations += internalName
+    }
+}

build-common/src/org/jetbrains/kotlin/incremental/buildUtil.kt

@@ -30,6 +30,7 @@ import org.jetbrains.kotlin.compilerRunner.OutputItemsCollectorImpl
 import org.jetbrains.kotlin.config.IncrementalCompilation
 import org.jetbrains.kotlin.config.Services
 import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.incremental.components.SourceRetentionAnnotationHandler
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCache
 import org.jetbrains.kotlin.load.kotlin.incremental.components.IncrementalCompilationComponents
 import org.jetbrains.kotlin.modules.KotlinModuleXmlBuilder
@@ -70,9 +71,17 @@ fun makeCompileServices(
         incrementalCaches: Map<TargetId, IncrementalCache>,
         lookupTracker: LookupTracker,
         compilationCanceledStatus: CompilationCanceledStatus?
+) = makeCompileServices(incrementalCaches, lookupTracker, compilationCanceledStatus, null)
+
+fun makeCompileServices(
+        incrementalCaches: Map<TargetId, IncrementalCache>,
+        lookupTracker: LookupTracker,
+        compilationCanceledStatus: CompilationCanceledStatus?,
+        sourceRetentionAnnotationHandler: SourceRetentionAnnotationHandler?
 ): Services =
     with(Services.Builder()) {
-        register(IncrementalCompilationComponents::class.java, IncrementalCompilationComponentsImpl(incrementalCaches, lookupTracker))
+        register(IncrementalCompilationComponents::class.java, 
+                 IncrementalCompilationComponentsImpl(incrementalCaches, lookupTracker, sourceRetentionAnnotationHandler))
         compilationCanceledStatus?.let {
             register(CompilationCanceledStatus::class.java, it)
         }