GH-548 Remove unnecessary exception signatures and get rid of the Int…

…erpretation process and application parser

examples/tests/current_test.panda

@@ -174,6 +174,8 @@ main {
     // Test implementation of Java class
     CustomThread thread = new CustomThread()
     thread.start()
+
+    // Runnable runnable = { log 'x' }
 }
 
 // simple interface

panda-framework/src/main/java/org/panda_lang/language/interpreter/Interpreter.java

@@ -19,7 +19,6 @@
 import org.panda_lang.language.architecture.Application;
 import org.panda_lang.language.architecture.Environment;
 import org.panda_lang.language.interpreter.source.Source;
-import org.panda_lang.utilities.commons.function.ThrowingConsumer;
 
 /**
  * Translate source code into efficient intermediate representation and build an application
@@ -28,16 +27,10 @@ public interface Interpreter {
 
     /**
      * Starts the process of interpretation
-     */
-    Application interpret(Source source);
-
-    /**
-     * Starts the process of interpretation and gives access to the interpretation process
      *
-     * @param interpretationConsumer the interpretation process consumer
      * @return interpreted application
      */
-    Application interpret(Source source, ThrowingConsumer<Interpretation, ?> interpretationConsumer);
+    Application interpret(Source source);
 
     /**
      * Get associated environment

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/Components.java

@@ -23,7 +23,6 @@
 import org.panda_lang.language.architecture.module.Imports;
 import org.panda_lang.language.architecture.statement.Scope;
 import org.panda_lang.language.architecture.module.TypeLoader;
-import org.panda_lang.language.interpreter.Interpretation;
 import org.panda_lang.language.interpreter.parser.expression.ExpressionParser;
 import org.panda_lang.language.interpreter.parser.stage.StageController;
 import org.panda_lang.language.interpreter.parser.pipeline.PipelinePath;
@@ -41,11 +40,6 @@ public final class Components {
      */
     public static final ContextComponent<FrameworkController> CONTROLLER = ContextComponent.of("controller", FrameworkController.class);
 
-    /**
-     * Represents the interpretation process
-     */
-    public static final ContextComponent<Interpretation> INTERPRETATION = ContextComponent.of("interpretation", Interpretation.class);
-
     /**
      * Represents the application environment
      */

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/ContextParser.java

@@ -28,6 +28,6 @@ public interface ContextParser<T> extends Parser {
      *
      * @param context set of information about source and interpretation process
      */
-    T parse(Context context) throws Exception;
+    T parse(Context context);
 
 }

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/pipeline/PipelineParser.java

@@ -16,7 +16,6 @@
 
 package org.panda_lang.language.interpreter.parser.pipeline;
 
-import org.panda_lang.language.interpreter.Interpretation;
 import org.panda_lang.language.interpreter.parser.Components;
 import org.panda_lang.language.interpreter.parser.Context;
 import org.panda_lang.language.interpreter.parser.ContextParser;
@@ -41,13 +40,11 @@ public PipelineParser(PipelineComponent<T> component) {
      * @param context the context to use
      * @param stream the stream to parse
      * @return returns always null
-     * @throws Exception if something happen in subparser
      */
-    public boolean parse(Context context, SourceStream stream) throws Exception {
-        Interpretation interpretation = context.getComponent(Components.INTERPRETATION);
+    public boolean parse(Context context, SourceStream stream) {
         Pipeline<T> pipeline = context.getComponent(Components.PIPELINE).getPipeline(pipelineComponent);
 
-        while (stream.hasUnreadSource() && interpretation.isHealthy()) {
+        while (stream.hasUnreadSource()) {
             LocalChannel channel = new PandaLocalChannel();
             Snippet source = stream.toSnippet();
 

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/stage/PandaStage.java

@@ -31,7 +31,7 @@ public PandaStage(StageController controller, String name) {
     }
 
     @Override
-    public boolean execute() throws Exception {
+    public boolean execute() {
         while (true) {
             currentPhase.callTasks();
 

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/stage/PandaStageController.java

@@ -40,13 +40,13 @@ public PandaStageController initialize(List<? extends StageType> types) {
     }
 
     @Override
-    public void launch() throws Exception {
+    public void launch() {
         while (countTasks(null) > 0) {
             executeOnce();
         }
     }
 
-    private void executeOnce() throws Exception {
+    private void executeOnce() {
         for (Stage cycle : cycles.values()) {
             currentCycle = cycle;
 

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/stage/PandaStagePhase.java

@@ -40,7 +40,7 @@ public PandaStagePhase(Stage cycle) {
     }
 
     @Override
-    public void callTasks() throws Exception {
+    public void callTasks() {
         Map<StageOrder, List<DelegatedTask>> unitsMap = new TreeMap<>(tasks);
         tasks.clear();
 

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/stage/Stage.java

@@ -25,9 +25,8 @@ public interface Stage {
      * Launch cycle
      *
      * @return true if all tasks was called
-     * @throws Exception allows you to handle exception that may occur in tasks
      */
-    boolean execute() throws Exception;
+    boolean execute();
 
     /**
      * @return amount of tasks

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/stage/StageController.java

@@ -25,10 +25,8 @@ public interface StageController {
 
     /**
      * Launch cycles
-     *
-     * @throws Exception if {@link StagePhase} throws an exception, you should catch it and handle
      */
-    void launch() throws Exception;
+    void launch();
 
     /**
      * Get amount of tasks before the specified cycle.

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/stage/StagePhase.java

@@ -25,10 +25,8 @@ public interface StagePhase {
 
     /**
      * Call all tasks delegated to the phase
-     *
-     * @throws Exception allows you to handle exception that may occur in tasks
      */
-    void callTasks() throws Exception;
+    void callTasks();
 
     /**
      * Delegate task

panda-framework/src/main/java/org/panda_lang/language/interpreter/parser/stage/StageTask.java

@@ -32,8 +32,7 @@ public interface StageTask<T> {
      * @param cycle current cycle
      * @param context data assigned to task
      * @return task value
-     * @throws Exception allows you to handle exception that may occur
      */
-    @Nullable T call(Stage cycle, Context context) throws Exception;
+    @Nullable T call(Stage cycle, Context context);
 
 }

panda-framework/src/test/java/org/panda_lang/language/interpreter/parser/stage/pipeline/StagePhaseControllerTest.java

@@ -38,7 +38,7 @@ public static void createPipelines() {
     }
 
     @Test
-    public void testPipelineGeneration() throws Throwable {
+    public void testPipelineGeneration() {
         StringBuilder outputBuilder = new StringBuilder();
 
         generation.getCycle("b").nextPhase().delegate((pipeline, context) -> outputBuilder.append("b "), null);

panda-utilities/src/main/java/org/panda_lang/utilities/commons/UnsafeUtils.java

@@ -24,7 +24,7 @@ public final class UnsafeUtils {
     private UnsafeUtils() { }
 
     @SuppressWarnings("unchecked")
-    public static <E extends Exception> void throwException(Exception e) throws E {
+    public static <E extends Throwable> void throwException(Throwable e) throws E {
         throw (E) e;
     }