Add support for providing modules written in SMNP language (LanguageModuleProvider extension class)

api/src/main/kotlin/io/smnp/ext/LanguageModuleProvider.kt

@@ -0,0 +1,20 @@
+package io.smnp.ext
+
+import io.smnp.interpreter.Interpreter
+import io.smnp.type.module.Module
+
+abstract class LanguageModuleProvider(path: String) : ModuleProvider(path) {
+   open fun files() = listOf("main.mus")
+
+   override fun provideModule(interpreter: Interpreter): Module {
+      val module = Module.create(path)
+      interpreter.updateRootModule(module)
+
+      files()
+         .map { javaClass.classLoader.getResource(it) }
+         .map { it.readText() }
+         .forEach { interpreter.run(it) }
+
+      return module
+   }
+}

api/src/main/kotlin/io/smnp/ext/ModuleDefinition.kt

@@ -1,14 +0,0 @@
-package io.smnp.ext
-
-import io.smnp.callable.function.Function
-import io.smnp.callable.method.Method
-import io.smnp.type.module.Module
-import org.pf4j.ExtensionPoint
-
-abstract class ModuleDefinition(val path: String) : ExtensionPoint {
-    open fun functions(): List<Function> = emptyList()
-    open fun methods(): List<Method> = emptyList()
-    open fun dependencies(): List<String> = emptyList()
-
-    fun module(): Module = Module.create(path, functions(), methods())
-}

api/src/main/kotlin/io/smnp/ext/ModuleProvider.kt

@@ -0,0 +1,10 @@
+package io.smnp.ext
+
+import io.smnp.interpreter.Interpreter
+import io.smnp.type.module.Module
+import org.pf4j.ExtensionPoint
+
+abstract class ModuleProvider(val path: String) : ExtensionPoint {
+    open fun dependencies(): List<String> = emptyList()
+    abstract fun provideModule(interpreter: Interpreter): Module
+}

api/src/main/kotlin/io/smnp/ext/ModuleRegistry.kt

@@ -1,6 +1,6 @@
 package io.smnp.ext
 
 interface ModuleRegistry {
-    fun requestModulesForPath(path: String): ModuleDefinition?
+    fun requestModulesForPath(path: String): ModuleProvider?
     fun registeredModules(): List<String>
 }

api/src/main/kotlin/io/smnp/ext/NativeModuleProvider.kt

@@ -0,0 +1,13 @@
+package io.smnp.ext
+
+import io.smnp.callable.function.Function
+import io.smnp.callable.method.Method
+import io.smnp.interpreter.Interpreter
+import io.smnp.type.module.Module
+
+abstract class NativeModuleProvider(path: String) : ModuleProvider(path) {
+   open fun functions(): List<Function> = emptyList()
+   open fun methods(): List<Method> = emptyList()
+
+   final override fun provideModule(interpreter: Interpreter) = Module.create(path, functions(), methods())
+}

api/src/main/kotlin/io/smnp/interpreter/Interpreter.kt

@@ -0,0 +1,8 @@
+package io.smnp.interpreter
+
+import io.smnp.type.module.Module
+
+interface Interpreter {
+   fun run(code: String)
+   fun updateRootModule(newRootModule: Module): Unit = throw RuntimeException("Replacing root module is not supported in this Interpreter implementation")
+}