Implement SamWithReceiverAnnotations annotation and it's handling (KT-15848)

TODO: tests

compiler/frontend/src/org/jetbrains/kotlin/script/KotlinScriptDefinitionFromAnnotatedTemplate.kt

@@ -63,6 +63,10 @@ open class KotlinScriptDefinitionFromAnnotatedTemplate(
         }
     }
 
+    val samWithReceiverAnnotations: List<String>? by lazy {
+        template.annotations.firstIsInstanceOrNull<SamWithReceiverAnnotations>()?.annotations?.toList()
+    }
+
     private val acceptedAnnotations: List<KClass<out Annotation>> by lazy {
         val resolveMethod = ScriptDependenciesResolver::resolve
         val resolverMethodAnnotations =
@@ -146,9 +150,10 @@ open class KotlinScriptDefinitionFromAnnotatedTemplate(
         override val text: CharSequence? by lazy { getFileContents(myFile) }
     }
 
-    override fun toString(): String {
-        return "KotlinScriptDefinitionFromAnnotatedTemplate - ${template.simpleName}"
-    }
+    override fun toString(): String = "KotlinScriptDefinitionFromAnnotatedTemplate - ${template.simpleName}"
+
+    override val annotationsForSamWithReceivers: List<String>
+        get() = samWithReceiverAnnotations ?: super.annotationsForSamWithReceivers
 
     companion object {
         internal val log = Logger.getInstance(KotlinScriptDefinitionFromAnnotatedTemplate::class.java)

compiler/frontend/src/org/jetbrains/kotlin/script/scriptTemplate.kt

@@ -30,6 +30,10 @@ const val DEFAULT_SCRIPT_FILE_PATTERN = ".*\\.kts"
 annotation class ScriptTemplateDefinition(val resolver: KClass<out ScriptDependenciesResolver> = BasicScriptDependenciesResolver::class,
                                           val scriptFilePattern: String = DEFAULT_SCRIPT_FILE_PATTERN)
 
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class SamWithReceiverAnnotations(vararg val annotations: String)
+
 interface ScriptContents {
 
     data class Position(val line: Int, val col: Int)