Migrate block evaluator to Kotlin

src/main/kotlin/io/smnp/evaluation/evaluator/BlockEvaluator.kt

@@ -0,0 +1,20 @@
+package io.smnp.evaluation.evaluator
+
+import io.smnp.dsl.ast.model.node.BlockNode
+import io.smnp.dsl.ast.model.node.Node
+import io.smnp.evaluation.environment.Environment
+import io.smnp.evaluation.model.entity.EvaluatorOutput
+import io.smnp.evaluation.model.enumeration.EvaluationResult
+
+class BlockEvaluator : Evaluator() {
+    override fun supportedNodes() = listOf(BlockNode::class)
+
+    override fun tryToEvaluate(node: Node, environment: Environment): EvaluatorOutput {
+        val evaluator = DefaultEvaluator()
+        val ok = (node as BlockNode).statements.all {
+            evaluator.evaluate(it, environment).result == EvaluationResult.OK
+        }
+
+        return if(ok) EvaluatorOutput.ok() else EvaluatorOutput.fail()
+    }
+}

src/main/kotlin/io/smnp/evaluation/evaluator/DefaultEvaluator.kt

@@ -9,6 +9,7 @@ class DefaultEvaluator : Evaluator() {
 
     override fun tryToEvaluate(node: Node, environment: Environment): EvaluatorOutput {
         return oneOf(
+            BlockEvaluator(),
             ThrowEvaluator(),
             ExpressionEvaluator()
         ).evaluate(node, environment)