Refactor scripting examples:

- split into script def and host part
- remove bad dependencies
- organize it in a way that should be typical for user scenarios

libraries/examples/scripting/jvm-simple-script/host/build.gradle.kts

@@ -0,0 +1 @@
+import org.jetbrains.kotlin.gradle.dsl.Coroutines

libraries/examples/scripting/jvm-simple-script/host/src/org/jetbrains/kotlin/script/examples/jvm/simple/host/host.kt

@@ -0,0 +1,52 @@
+/*
+ * 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.script.examples.jvm.simple.host
+
+import org.jetbrains.kotlin.script.examples.jvm.simple.MyScript
+import org.jetbrains.kotlin.script.util.*
+import java.io.File
+import kotlin.script.experimental.api.*
+import kotlin.script.experimental.definitions.ScriptDefinitionFromAnnotatedBaseClass
+import kotlin.script.experimental.host.toScriptSource
+import kotlin.script.experimental.jvm.*
+import kotlin.script.experimental.jvmhost.impl.KJVMCompilerImpl
+
+inline fun myJvmConfig(
+    from: HeterogeneousMap = HeterogeneousMap(),
+    crossinline body: JvmScriptCompileConfigurationParams.Builder.() -> Unit = {}
+) = jvmConfigWithJavaHome(from) {
+    signature<MyScript>()
+    dependencies(scriptCompilationClasspathFromContext("script" /* script library jar name */))
+    body()
+}
+
+fun evalFile(scriptFile: File): ResultWithDiagnostics<EvaluationResult> {
+    val scriptCompiler = JvmScriptCompiler(KJVMCompilerImpl(), DummyCompiledJvmScriptCache())
+    val scriptDefinition = ScriptDefinitionFromAnnotatedBaseClass(MyScript::class)
+
+    val host = JvmBasicScriptingHost(
+        scriptDefinition.configurator,
+        scriptCompiler,
+        scriptDefinition.runner
+    )
+
+    return host.eval(myJvmConfig { add(scriptFile.toScriptSource().toConfigEntry()) }, ScriptEvaluationEnvironment())
+}
+
+fun main(vararg args: String) {
+    if (args.size != 1) {
+        println("usage: <app> <script file>")
+    } else {
+        val scriptFile = File(args[0])
+        println("Executing script $scriptFile")
+
+        val res = evalFile(scriptFile)
+
+        res.reports.forEach {
+            println(" : ${it.message}" + if (it.exception == null) "" else ": ${it.exception}")
+        }
+    }
+}

libraries/examples/scripting/jvm-simple-script/host/test/org/jetbrains/kotlin/script/examples/jvm/simple/test/simpleTest.kt

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2000-2018 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.script.examples.jvm.simple.test
+
+import org.jetbrains.kotlin.script.examples.jvm.simple.host.evalFile
+import org.junit.Assert
+import java.io.File
+import org.junit.Test
+import kotlin.script.experimental.api.ResultWithDiagnostics
+
+class SimpleTest {
+
+    @Test
+    fun testSimple() {
+        val res = evalFile(File("testData/hello.kts"))
+
+        Assert.assertTrue(
+            "test failed:\n  ${res.reports.joinToString("\n  ") { it.message + if (it.exception == null) "" else ": ${it.exception}" }}",
+            res is ResultWithDiagnostics.Success
+        )
+    }
+
+    @Test
+    fun testError() {
+        val res = evalFile(File("testData/error.kts"))
+
+        Assert.assertTrue(
+            "test failed - expecting a failure with the message \"Unresolved reference: abracadabra\" but received " +
+                    (if (res is ResultWithDiagnostics.Failure) "failure" else "success") +
+                    ":\n  ${res.reports.joinToString("\n  ") { it.message + if (it.exception == null) "" else ": ${it.exception}" }}",
+            res is ResultWithDiagnostics.Failure && res.reports.any { it.message.contains("Unresolved reference: abracadabra") })
+    }
+}

libraries/examples/scripting/jvm-simple-script/host/testData/error.kts

@@ -0,0 +1,3 @@
+
+abracadabra("Hello, World!")
+

libraries/examples/scripting/jvm-simple-script/host/testData/hello.kts

@@ -0,0 +1,3 @@
+
+println("Hello, World!")
+