JPS: support KotlinResourceSourceRootType

Implementation is similar to KotlinSourceRootProvider.
This workaround is required since ResourcesTarget.computeRootDescriptors
supports only JavaResourceRoots.

#KT-27622 Fixed

jps-plugin/jps-tests/test/org/jetbrains/kotlin/jps/build/KotlinJpsBuildTest.kt

@@ -268,6 +268,13 @@ open class KotlinJpsBuildTest : AbstractKotlinJpsBuildTestCase() {
         return list.toTypedArray()
     }
 
+    fun testKotlinJavaScriptProjectNewSourceRootTypes() {
+        initProject(JS_STDLIB)
+        buildAllModules().assertSuccessful()
+
+        checkOutputFilesList()
+    }
+
     fun testKotlinJavaScriptProjectWithCustomOutputPaths() {
         initProject(JS_STDLIB)
         buildAllModules().assertSuccessful()

jps-plugin/src/META-INF/services/org.jetbrains.jps.builders.AdditionalRootsProviderService

@@ -1 +1,2 @@
-org.jetbrains.kotlin.jps.build.KotlinSourceRootProvider
+org.jetbrains.kotlin.jps.build.KotlinSourceRootProvider
+org.jetbrains.kotlin.jps.build.KotlinResourcesRootProvider

jps-plugin/src/org/jetbrains/kotlin/jps/build/KotlinResourcesRootProvider.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. 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.jps.build
+
+import org.jetbrains.jps.builders.AdditionalRootsProviderService
+import org.jetbrains.jps.builders.BuildTarget
+import org.jetbrains.jps.builders.java.ResourceRootDescriptor
+import org.jetbrains.jps.builders.java.ResourcesTargetType
+import org.jetbrains.jps.builders.storage.BuildDataPaths
+import org.jetbrains.jps.incremental.ResourcesTarget
+import org.jetbrains.jps.model.java.JavaResourceRootProperties
+import org.jetbrains.kotlin.config.KotlinResourceRootType
+
+class KotlinResourcesRootProvider : AdditionalRootsProviderService<ResourceRootDescriptor>(ResourcesTargetType.ALL_TYPES) {
+    override fun getAdditionalRoots(
+        target: BuildTarget<ResourceRootDescriptor>,
+        dataPaths: BuildDataPaths?
+    ): List<ResourceRootDescriptor> {
+        val moduleBuildTarget = target as? ResourcesTarget ?: return listOf()
+        val module = moduleBuildTarget.module
+
+        val result = mutableListOf<ResourceRootDescriptor>()
+
+        // Add source roots with type KotlinResourceRootType.
+        // See the note in KotlinSourceRootProvider
+        val kotlinResourceRootType = if (target.isTests) KotlinResourceRootType.TestResource else KotlinResourceRootType.Resource
+        module.getSourceRoots(kotlinResourceRootType).forEach {
+            result.add(
+                ResourceRootDescriptor(
+                    it.file,
+                    target,
+                    it.properties.packagePrefix,
+                    setOf()
+                )
+            )
+        }
+
+        return result
+    }
+}
+
+/**
+ * Copied from implementation of org.jetbrains.jps.incremental.ResourcesTarget.computeRootDescriptors
+ */
+private val JavaResourceRootProperties.packagePrefix: String
+    get() = relativeOutputPath.replace('/', '.')

jps-plugin/testData/general/KotlinJavaScriptProjectNewSourceRootTypes/assets/resource.txt

@@ -0,0 +1 @@
+test

jps-plugin/testData/general/KotlinJavaScriptProjectNewSourceRootTypes/expected-output.txt

@@ -0,0 +1,9 @@
+kotlinProject/
+  kotlinProject/
+    root-package.kjsm
+  kotlinProject.js
+  kotlinProject.meta.js
+  lib/
+    kotlin.js
+    kotlin.meta.js
+  resource.txt

jps-plugin/testData/general/KotlinJavaScriptProjectNewSourceRootTypes/kotlinProject.iml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" type="kotlin-source" />
+      <sourceFolder url="file://$MODULE_DIR$/assets" type="kotlin-resource" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="KotlinJavaScript" level="project" />
+  </component>
+</module>

jps-plugin/testData/general/KotlinJavaScriptProjectNewSourceRootTypes/kotlinProject.ipr

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <option name="DEFAULT_COMPILER" value="Javac" />
+  </component>
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/kotlinProject.iml" filepath="$PROJECT_DIR$/kotlinProject.iml" />
+    </modules>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_3" default="true" project-jdk-name="Kotlin SDK" project-jdk-type="KotlinSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

jps-plugin/testData/general/KotlinJavaScriptProjectNewSourceRootTypes/src/Main.kt

@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println("Hello")
+}