Introduce tooling model for annotation based projects

Introduce Gradle models for plugins 'kotlin-allopen', 'kotlin-noarg' and
'kotlin-sam-with-receiver'. Corresponding model builders are registered
in each one of those plugin main classes.

libraries/tools/kotlin-noarg/src/main/kotlin/org/jetbrains/kotlin/noarg/gradle/NoArgSubplugin.kt

@@ -23,12 +23,15 @@ import org.gradle.api.artifacts.ResolvedArtifact
 import org.gradle.api.internal.ConventionTask
 import org.gradle.api.tasks.SourceSet
 import org.gradle.api.tasks.compile.AbstractCompile
+import org.gradle.tooling.provider.model.ToolingModelBuilderRegistry
 import org.jetbrains.kotlin.gradle.plugin.JetBrainsSubpluginArtifact
 import org.jetbrains.kotlin.gradle.plugin.KotlinGradleSubplugin
 import org.jetbrains.kotlin.gradle.plugin.SubpluginArtifact
 import org.jetbrains.kotlin.gradle.plugin.SubpluginOption
+import org.jetbrains.kotlin.noarg.gradle.model.builder.NoArgModelBuilder
+import javax.inject.Inject
 
-class NoArgGradleSubplugin : Plugin<Project> {
+class NoArgGradleSubplugin @Inject internal constructor(private val registry: ToolingModelBuilderRegistry) : Plugin<Project> {
     companion object {
         fun isEnabled(project: Project) = project.plugins.findPlugin(NoArgGradleSubplugin::class.java) != null
 
@@ -39,6 +42,7 @@ class NoArgGradleSubplugin : Plugin<Project> {
 
     override fun apply(project: Project) {
         project.extensions.create("noArg", NoArgExtension::class.java)
+        registry.register(NoArgModelBuilder())
     }
 }
 

libraries/tools/kotlin-noarg/src/main/kotlin/org/jetbrains/kotlin/noarg/gradle/model/builder/NoArgModelBuilder.kt

@@ -0,0 +1,31 @@
+/*
+ * 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.noarg.gradle.model.builder
+
+import org.gradle.api.Project
+import org.gradle.tooling.provider.model.ToolingModelBuilder
+import org.jetbrains.kotlin.gradle.model.NoArg
+import org.jetbrains.kotlin.noarg.gradle.NoArgExtension
+import org.jetbrains.kotlin.noarg.gradle.model.impl.NoArgImpl
+
+/**
+ * [ToolingModelBuilder] for [NoArg] models.
+ * This model builder is registered for Kotlin No Arg sub-plugin.
+ */
+class NoArgModelBuilder : ToolingModelBuilder {
+
+    override fun canBuild(modelName: String): Boolean {
+        return modelName == NoArg::class.java.name
+    }
+
+    override fun buildAll(modelName: String, project: Project): Any? {
+        if (modelName == NoArg::class.java.name) {
+            val extension = project.extensions.getByType(NoArgExtension::class.java)
+            return NoArgImpl(project.name, extension.myAnnotations, extension.myPresets, extension.invokeInitializers)
+        }
+        return null
+    }
+}

libraries/tools/kotlin-noarg/src/main/kotlin/org/jetbrains/kotlin/noarg/gradle/model/impl/NoArgImpl.kt

@@ -0,0 +1,44 @@
+/*
+ * 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.noarg.gradle.model.impl
+
+import org.jetbrains.kotlin.gradle.model.NoArg
+import java.io.Serializable
+
+/**
+ * Implementation of the [NoArg] interface.
+ */
+data class NoArgImpl(
+    private val myName: String,
+    private val myAnnotations: List<String>,
+    private val myPresets: List<String>,
+    private val myInvokeInitializers: Boolean
+) : NoArg, Serializable {
+
+    override fun getModelVersion(): Long {
+        return serialVersionUID
+    }
+
+    override fun getName(): String {
+        return myName
+    }
+
+    override fun getAnnotations(): List<String> {
+        return myAnnotations
+    }
+
+    override fun getPresets(): List<String> {
+        return myPresets
+    }
+
+    override fun isInvokeInitializers(): Boolean {
+        return myInvokeInitializers
+    }
+
+    companion object {
+        private const val serialVersionUID = 1L
+    }
+}

libraries/tools/kotlin-noarg/src/test/kotlin/org/jetbrains/kotlin/noarg/gradle/model/builder/NoArgModelBuilderTest.kt

@@ -0,0 +1,20 @@
+/*
+ * 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.noarg.gradle.model.builder
+
+import org.jetbrains.kotlin.gradle.model.NoArg
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+
+class NoArgModelBuilderTest {
+    @Test
+    fun testCanBuild() {
+        val modelBuilder = NoArgModelBuilder()
+        assertTrue(modelBuilder.canBuild(NoArg::class.java.name))
+        assertFalse(modelBuilder.canBuild("wrongModel"))
+    }
+}

libraries/tools/kotlin-noarg/src/test/kotlin/org/jetbrains/kotlin/noarg/gradle/model/impl/NoArgImplTest.kt

@@ -0,0 +1,18 @@
+/*
+ * 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.noarg.gradle.model.impl
+
+import nl.jqno.equalsverifier.EqualsVerifier
+import nl.jqno.equalsverifier.Warning
+import org.junit.Test
+
+class NoArgImplTest {
+    @Test
+    @Throws(Exception::class)
+    fun equals() {
+        EqualsVerifier.forClass(NoArgImpl::class.java).suppress(Warning.NULL_FIELDS).verify()
+    }
+}