[DRAFT] Kotlin script extension

.gitignore

@@ -2,3 +2,6 @@
 *.iml
 target/
 .jython_cache/
+run/
+.DS_Store
+!run/plugins/Poly/scripts/**/*

bukkit-ext-kts/pom.xml

@@ -0,0 +1,151 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <parent>
+ <artifactId>okaeri-poly</artifactId>
+ <groupId>eu.okaeri</groupId>
+ <version>1.2.3</version>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>okaeri-poly-bukkit-kts-ext</artifactId>
+
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.jetbrains.kotlin</groupId>
+ <artifactId>kotlin-maven-plugin</artifactId>
+ <version>${library.kotlin.version}</version>
+ <executions>
+ <execution>
+ <id>compile</id>
+ <goals>
+ <goal>compile</goal>
+ </goals>
+ <configuration>
+ <sourceDirs>
+ <sourceDir>${project.basedir}/src/main/kotlin</sourceDir>
+ <sourceDir>${project.basedir}/src/main/java</sourceDir>
+ </sourceDirs>
+ </configuration>
+ </execution>
+ <execution>
+ <id>test-compile</id>
+ <goals>
+ <goal>test-compile</goal>
+ </goals>
+ <configuration>
+ <sourceDirs>
+ <sourceDir>${project.basedir}/src/test/kotlin</sourceDir>
+ <sourceDir>${project.basedir}/src/test/java</sourceDir>
+ </sourceDirs>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.5.1</version>
+ <executions>
+ <!-- Replacing default-compile as it is treated specially by maven -->
+ <execution>
+ <id>default-compile</id>
+ <phase>none</phase>
+ </execution>
+ <!-- Replacing default-testCompile as it is treated specially by maven -->
+ <execution>
+ <id>default-testCompile</id>
+ <phase>none</phase>
+ </execution>
+ <execution>
+ <id>java-compile</id>
+ <phase>compile</phase>
+ <goals>
+ <goal>compile</goal>
+ </goals>
+ </execution>
+ <execution>
+ <id>java-test-compile</id>
+ <phase>test-compile</phase>
+ <goals>
+ <goal>testCompile</goal>
+ </goals>
+ </execution>
+ </executions>
+ </plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-shade-plugin</artifactId>
+ <version>3.3.0</version>
+ <executions>
+ <execution>
+ <goals>
+ <goal>shade</goal>
+ </goals>
+ <configuration>
+ <minimizeJar>false</minimizeJar>
+ <createDependencyReducedPom>false</createDependencyReducedPom>
+ <transformers>
+ <transformer
+ implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+ </transformers>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.spigotmc</groupId>
+ <artifactId>spigot-api</artifactId>
+ <version>1.13.2-R0.1-SNAPSHOT</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>eu.okaeri</groupId>
+ <artifactId>okaeri-poly-core</artifactId>
+ <version>1.2.3</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>eu.okaeri</groupId>
+ <artifactId>okaeri-poly-bukkit</artifactId>
+ <version>1.2.3</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.jetbrains.kotlin</groupId>
+ <artifactId>kotlin-scripting-dependencies</artifactId>
+ <version>${library.kotlin.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.jetbrains.kotlin</groupId>
+ <artifactId>kotlin-scripting-dependencies-maven-all</artifactId>
+ <version>${library.kotlin.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.jetbrains.kotlinx</groupId>
+ <artifactId>kotlinx-coroutines-core</artifactId>
+ <version>1.6.4</version>
+ </dependency>
+ <dependency>
+ <groupId>org.jetbrains.kotlin</groupId>
+ <artifactId>kotlin-main-kts</artifactId>
+ <version>${library.kotlin.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.jetbrains.kotlin</groupId>
+ <artifactId>kotlin-script-runtime</artifactId>
+ <version>1.7.20</version>
+ <scope>compile</scope>
+ </dependency>
+ </dependencies>
+</project>

bukkit-ext-kts/src/main/kotlin/eu/okaeri/poly/bukkit/ext/BukkitKotlinScriptScriptHelper.kt

@@ -0,0 +1,7 @@
+package eu.okaeri.poly.bukkit.ext;
+
+import eu.okaeri.poly.api.Poly
+import eu.okaeri.poly.api.script.ScriptHelper
+import eu.okaeri.poly.bukkit.provider.BukkitScriptHelperImpl
+
+class BukkitKotlinScriptScriptHelper(polyKts: PolyKotlinScriptExtension, name: String) : BukkitScriptHelperImpl(polyKts, name)

bukkit-ext-kts/src/main/kotlin/eu/okaeri/poly/bukkit/ext/BukkitKotlinScriptServiceImpl.kt

@@ -0,0 +1,29 @@
+package eu.okaeri.poly.bukkit.ext
+
+import ScriptWithMavenDeps
+import eu.okaeri.poly.api.Poly
+import eu.okaeri.poly.api.script.ScriptHelper
+import eu.okaeri.poly.core.script.ScriptServiceImpl
+import kotlin.script.experimental.api.*
+import kotlin.script.experimental.host.toScriptSource
+import kotlin.script.experimental.jvmhost.BasicJvmScriptingHost
+import kotlin.script.experimental.jvmhost.createJvmCompilationConfigurationFromTemplate
+
+class BukkitKotlinScriptServiceImpl(poly: Poly, private val ext: PolyKotlinScriptExtension) : ScriptServiceImpl(poly) {
+ override fun exec(name: String, source: String): ScriptHelper {
+ val helper = BukkitKotlinScriptScriptHelper(ext, name)
+ val compilationConfiguration = createJvmCompilationConfigurationFromTemplate<ScriptWithMavenDeps>() {
+ providedProperties(getDefaultBindings(helper).map { it.key to KotlinType(it.value.javaClass.kotlin) }.toMap())
+ }
+ val result = BasicJvmScriptingHost().eval(source.toScriptSource(name), compilationConfiguration, ScriptEvaluationConfiguration {
+ providedProperties(getDefaultBindings(helper))
+ constructorArgs(getDefaultBindings(helper))
+ })
+ result.reports.forEach { println(it) }
+ return helper
+ }
+
+ override fun eval(source: String, context: MutableMap<String, Any>): Any {
+ TODO("Not yet implemented")
+ }
+}

bukkit-ext-kts/src/main/kotlin/eu/okaeri/poly/bukkit/ext/PolyKotlinScriptExtension.kt

@@ -0,0 +1,12 @@
+package eu.okaeri.poly.bukkit.ext
+
+import eu.okaeri.poly.api.Poly
+import eu.okaeri.poly.bukkit.PolyPlugin
+import org.bukkit.plugin.java.JavaPlugin
+
+class PolyKotlinScriptExtension : JavaPlugin() {
+ override fun onLoad() {
+ val poly = this.server.pluginManager.getPlugin("Poly") as PolyPlugin
+ poly.scriptManager.register("kts", BukkitKotlinScriptServiceImpl(poly, this))
+ }
+}

bukkit-ext-kts/src/main/kotlin/scriptDef.kt

@@ -0,0 +1,66 @@
+import eu.okaeri.poly.bukkit.PolyPlugin
+import eu.okaeri.poly.bukkit.ext.BukkitKotlinScriptScriptHelper
+import eu.okaeri.poly.core.script.ScriptLoggerWrapper
+import kotlinx.coroutines.runBlocking
+import org.bukkit.Server
+import org.jetbrains.kotlin.mainKts.*
+import kotlin.script.experimental.annotations.KotlinScript
+import kotlin.script.experimental.api.*
+import kotlin.script.experimental.dependencies.*
+import kotlin.script.experimental.dependencies.maven.MavenDependenciesResolver
+import kotlin.script.experimental.jvm.*
+import kotlin.script.experimental.jvmhost.jsr223.importAllBindings
+import kotlin.script.experimental.jvmhost.jsr223.jsr223
+
+@KotlinScript(
+ fileExtension = "poly.kts",
+ compilationConfiguration = ScriptWithMavenDepsConfiguration::class
+)
+abstract class ScriptWithMavenDeps(val bindings: Map<String, Any?>) {
+ @JvmField
+ val server = bindings["server"] as Server
+ @JvmField
+ var script = bindings["script"] as BukkitKotlinScriptScriptHelper
+ @JvmField
+ var logger = bindings["logger"] as ScriptLoggerWrapper
+ @JvmField
+ var plugin = bindings["plugin"] as PolyPlugin
+}
+
+object ScriptWithMavenDepsConfiguration : ScriptCompilationConfiguration(
+ {
+ defaultImports(
+ DependsOn::class,
+ Repository::class,
+ Import::class,
+ CompilerOptions::class,
+ ScriptFileLocation::class
+ )
+ jvm {
+ dependenciesFromCurrentContext(wholeClasspath = true)
+ }
+ refineConfiguration {
+ onAnnotations(DependsOn::class, Repository::class, handler = ::configureMavenDepsOnAnnotations)
+ }
+ ide {
+ acceptedLocations(ScriptAcceptedLocation.Everywhere)
+ }
+ jsr223 {
+ importAllBindings(true)
+ }
+ }
+)
+
+private val resolver = CompoundDependenciesResolver(FileSystemDependenciesResolver(), MavenDependenciesResolver())
+
+fun configureMavenDepsOnAnnotations(context: ScriptConfigurationRefinementContext): ResultWithDiagnostics<ScriptCompilationConfiguration> {
+ val annotations = context.collectedData?.get(ScriptCollectedData.collectedAnnotations)?.takeIf { it.isNotEmpty() }
+ ?: return context.compilationConfiguration.asSuccess() // If no action is performed, the original configuration should be returned
+ return runBlocking {
+ resolver.resolveFromScriptSourceAnnotations(annotations)
+ }.onSuccess {
+ context.compilationConfiguration.with {
+ dependencies.append(JvmDependency(it))
+ }.asSuccess()
+ }
+}

bukkit-ext-kts/src/main/resources/example/greeter.poly.kts

@@ -0,0 +1,7 @@
+import org.bukkit.Bukkit
+import org.bukkit.event.player.PlayerJoinEvent
+
+script.listen(PlayerJoinEvent::class.java) {
+ Bukkit.broadcastMessage("Hello, ${it.player.name}!")
+
+}

bukkit-ext-kts/src/main/resources/plugin.yml

@@ -0,0 +1,8 @@
+name: PolyKts
+version: ${project.version}
+main: eu.okaeri.poly.bukkit.ext.PolyKotlinScriptExtension
+description: Kotlin Script extension for Poly
+website: https://github.com/OkaeriPoland/okaeri-poly
+author: 'Bartosz Stefańczyk <[email protected]>'
+api-version: 1.13
+depend: [Poly]

pom.xml

@@ -14,6 +14,7 @@
  <module>core-api</module>
  <module>bukkit</module>
  <module>bukkit-api</module>
+ <module>bukkit-ext-kts</module>
  </modules>
 
  <properties>
@@ -25,6 +26,7 @@
  <library.graalvm.version>22.1.0.1</library.graalvm.version>
  <library.groovy.version>3.0.11</library.groovy.version>
  <library.jython.version>2.7.2</library.jython.version>
+ <library.kotlin.version>1.7.20</library.kotlin.version>
  </properties>
 
  <build>