Refactor context classpath discovery, share it to idea's jsr223 host...

...from script-util
fix daemon usage in repls
define compiler classpath for script-util tests explicitly
minor refactorings in the build scripts for better import into idea

libraries/examples/kotlin-jsr223-daemon-local-eval-example/build.gradle.kts

@@ -3,15 +3,24 @@ description = "Sample Kotlin JSR 223 scripting jar with daemon (out-of-process)
 
 apply { plugin("kotlin") }
 
+val compilerClasspath by configurations.creating
+
 dependencies {
-    compile(projectDist(":kotlin-stdlib"))
-    compile(projectDist(":kotlin-script-runtime"))
-    compile(projectRuntimeJar(":kotlin-compiler"))
-    compile(project(":kotlin-script-util"))
-    compile(projectRuntimeJar(":kotlin-daemon-client"))
+    testCompile(project(":kotlin-stdlib"))
+    testCompile(project(":kotlin-script-runtime"))
+    testCompile(project(":kotlin-script-util"))
+    testCompile(project(":kotlin-daemon-client"))
     testCompile(commonDep("junit:junit"))
-    testCompile(projectDist(":kotlin-test:kotlin-test-junit"))
-    testRuntime(projectDist(":kotlin-reflect"))
+    testCompile(project(":kotlin-test:kotlin-test-junit"))
+    testRuntime(project(":kotlin-reflect"))
+    compilerClasspath(projectRuntimeJar(":kotlin-compiler"))
+    compilerClasspath(projectDist(":kotlin-reflect"))
+    compilerClasspath(projectDist(":kotlin-stdlib"))
+    compilerClasspath(projectDist(":kotlin-script-runtime"))
 }
 
-projectTest()
+projectTest {
+    doFirst {
+        systemProperty("kotlin.compiler.classpath", compilerClasspath.asFileTree.asPath)
+    }
+}