bug: Add support for Kotlin 1.3

The release of Kotlin 1.3 changed its plugin interface, which caused the
plugin to fail with an AbstractMethodError. This commit updates the
plugin to use the new plugin interface.

Fixes #5

Author: fabianishere

README.md

@@ -25,10 +25,18 @@ To use the plugin, just apply the plugin in your `build.gradle`:
 
 ```groovy
 plugins {
-    id 'nl.fabianm.kotlin.plugin.generated' version '1.0'
+    id 'nl.fabianm.kotlin.plugin.generated' version '1.3.0'
 }
 ```
 
+Make sure you install the version that is compatible with the Kotlin
+version you are using:
+
+| **Kotlin** | **Plugin** |
+|:----------:|:----------:|
+|    1.2.*   |     1.0    |
+|    1.3.*   |    1.3.0   |
+
 You can optionally configure the plugin as shown below:
 
 ```groovy

build.gradle

@@ -16,12 +16,12 @@
 
 allprojects {
     group = 'nl.fabianm.kotlin.plugin.generated'
-    version = '1.0'
+    version = '1.3.0'
 
     ext {
-        kotlin_version = '1.2.41'
-        junit_jupiter_version = '5.2.0'
-        junit_platform_version = '1.2.0'
+        kotlin_version = '1.3.0'
+        junit_jupiter_version = '5.3.1'
+        junit_platform_version = '1.3.1'
     }
 }
 

gradle/wrapper/gradle-wrapper.jar

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradle/wrapper/gradle-wrapper.properties

@@ -15,9 +15,9 @@
  */
 
 plugins {
+    id "org.jetbrains.kotlin.jvm" version "1.3.0"
+    id "org.jlleitschuh.gradle.ktlint" version "6.2.1"
     id "jacoco"
-    id "org.jetbrains.kotlin.jvm" version "1.2.41"
-    id "org.jmailen.kotlinter" version "1.12.0"
 }
 
 def compilerPlugin = project(':plugin-compiler')
@@ -53,12 +53,6 @@ compileTestKotlin {
     }
 }
 
-kotlin {
-    experimental {
-        coroutines "enable"
-    }
-}
-
 /* Test setup */
 test {
     useJUnitPlatform {}

plugin-compiler-tests/build.gradle

@@ -15,8 +15,8 @@
  */
 
 plugins {
-    id "org.jetbrains.kotlin.jvm" version "1.2.41"
-    id "org.jmailen.kotlinter" version "1.12.0"
+    id "org.jetbrains.kotlin.jvm" version "1.3.0"
+    id "org.jlleitschuh.gradle.ktlint" version "6.2.1"
 }
 
 description = "A compiler plugin for Kotlin that marks Kotlin-generated code with an annotation."

plugin-compiler/build.gradle

@@ -20,6 +20,7 @@ import nl.fabianm.kotlin.plugin.generated.GeneratedConfigurationKeys.ANNOTATION
 import nl.fabianm.kotlin.plugin.generated.GeneratedConfigurationKeys.DEFAULT_ANNOTATION
 import nl.fabianm.kotlin.plugin.generated.GeneratedConfigurationKeys.VISIBLE
 import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
+import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
 import org.jetbrains.kotlin.codegen.extensions.ClassBuilderInterceptorExtension
 import org.jetbrains.kotlin.com.intellij.mock.MockProject
@@ -75,6 +76,8 @@ class GeneratedComponentRegistrar : ComponentRegistrar {
             MessageCollector.NONE
         )
 
+        messageCollector.report(CompilerMessageSeverity.INFO, "Generated: Compiler plugin activated")
+
         ClassBuilderInterceptorExtension.registerExtensionAsFirst(
             project,
             GeneratedClassBuilderInterceptorExtension(

plugin-compiler/src/main/kotlin/nl/fabianm/kotlin/plugin/generated/GeneratedPlugin.kt

@@ -15,12 +15,13 @@
  */
 
 plugins {
+    id "org.jetbrains.kotlin.jvm" version "1.3.0"
+    id "org.jlleitschuh.gradle.ktlint" version "6.2.1"
+
     id "java-gradle-plugin"
     id "maven-publish"
-    id "org.jetbrains.kotlin.jvm" version "1.2.41"
-    id "org.jmailen.kotlinter" version "1.12.0"
-    id "com.gradle.plugin-publish" version "0.9.10"
-    id "com.jfrog.bintray" version "1.8.0"
+    id "com.gradle.plugin-publish" version "0.10.0"
+    id "com.jfrog.bintray" version "1.8.4"
 }
 
 repositories {
@@ -30,7 +31,7 @@ repositories {
 dependencies {
     compile gradleApi()
     compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
-    compile "org.jetbrains.kotlin:kotlin-gradle-plugin-api:1.2.41"
+    compile "org.jetbrains.kotlin:kotlin-gradle-plugin-api:${kotlin_version}"
 
     compileOnly project(':plugin-compiler')
 }

plugin-gradle/build.gradle

@@ -18,9 +18,10 @@ package nl.fabianm.kotlin.plugin.generated.gradle
 
 import org.gradle.api.Plugin
 import org.gradle.api.Project
-import org.gradle.api.tasks.SourceSet
 import org.gradle.api.tasks.compile.AbstractCompile
+import org.jetbrains.kotlin.gradle.plugin.KotlinCompilation
 import org.jetbrains.kotlin.gradle.plugin.KotlinGradleSubplugin
+import org.jetbrains.kotlin.gradle.plugin.SubpluginArtifact
 import org.jetbrains.kotlin.gradle.plugin.SubpluginOption
 
 class GeneratedGradleSubplugin : Plugin<Project> {
@@ -40,23 +41,16 @@ class GeneratedGradleSubplugin : Plugin<Project> {
 class GeneratedKotlinGradleSubplugin : KotlinGradleSubplugin<AbstractCompile> {
     companion object {
         private const val GENERATED_ARTIFACT_NAME = "plugin-gradle"
-        private const val GENERATED_GROUP_NAME = "nl.fabianm.kotlin.plugin.generated"
+        private const val GENERATED_GROUP_ID = "nl.fabianm.kotlin.plugin.generated"
+        private const val GENERATED_VERSION = "1.3.0"
         private const val GENERATED_COMPILER_PLUGIN_ID = "nl.fabianm.kotlin.plugin.generated"
-
         private val ANNOTATION_ARG_NAME = "annotation"
         private val VISIBLE_ARG_NAME = "visible"
     }
 
     override fun isApplicable(project: Project, task: AbstractCompile) = GeneratedGradleSubplugin.isEnabled(project)
 
-    override fun apply(
-        project: Project,
-        kotlinCompile: AbstractCompile,
-        javaCompile: AbstractCompile,
-        variantData: Any?,
-        androidProjectHandler: Any?,
-        javaSourceSet: SourceSet?
-    ): List<SubpluginOption> {
+    override fun apply(project: Project, kotlinCompile: AbstractCompile, javaCompile: AbstractCompile?, variantData: Any?, androidProjectHandler: Any?, kotlinCompilation: KotlinCompilation?): List<SubpluginOption> {
         if (!GeneratedGradleSubplugin.isEnabled(project)) {
             return emptyList()
         }
@@ -68,9 +62,8 @@ class GeneratedKotlinGradleSubplugin : KotlinGradleSubplugin<AbstractCompile> {
         )
     }
 
-    override fun getCompilerPluginId() = GENERATED_COMPILER_PLUGIN_ID
-
-    override fun getArtifactName(): String = GENERATED_ARTIFACT_NAME
+    override fun getPluginArtifact(): SubpluginArtifact =
+        SubpluginArtifact(GENERATED_GROUP_ID, GENERATED_ARTIFACT_NAME, GENERATED_VERSION)
 
-    override fun getGroupName(): String = GENERATED_GROUP_NAME
+    override fun getCompilerPluginId() = GENERATED_COMPILER_PLUGIN_ID
 }

plugin-gradle/src/main/kotlin/nl/fabianm/kotlin/plugin/generated/gradle/GeneratedSubplugin.kt

@@ -16,6 +16,8 @@
 
 rootProject.name = 'kotlin-plugin-generated'
 
+enableFeaturePreview('STABLE_PUBLISHING')
+
 include ':plugin-compiler'
 include ':plugin-compiler-tests'
 include ':plugin-gradle'