Added Webclient, refactored Webserver to share streamed body sending and receiving logic.

.github/workflows/build.yaml

@@ -27,7 +27,7 @@ jobs:
       #     mirrors: '[{"id": "usethesource-gh", "name": "uts mirror", "mirrorOf": "usethesource", "url": "${{ secrets.MAVEN_MIRROR_URL }}"}]'
       - uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'temurin'
           cache: 'maven'
           overwrite-settings: false
@@ -75,7 +75,7 @@ jobs:
 
       - uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'temurin'
           cache: 'maven'
           overwrite-settings: false
@@ -167,7 +167,7 @@ jobs:
       #     mirrors: '[{"id": "usethesource-gh", "name": "uts mirror", "mirrorOf": "usethesource", "url": "${{ secrets.MAVEN_MIRROR_URL }}"}]'
       - uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'temurin'
           cache: 'maven'
           overwrite-settings: false
@@ -204,7 +204,7 @@ jobs:
       #     mirrors: '[{"id": "usethesource-gh", "name": "uts mirror", "mirrorOf": "usethesource", "url": "${{ secrets.MAVEN_MIRROR_URL }}"}]'
       - uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 17
           distribution: 'temurin'
           cache: 'maven'
           overwrite-settings: false

.settings/org.eclipse.jdt.core.prefs

@@ -42,9 +42,9 @@ org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.lambda.genericSignature=do not generate
 org.eclipse.jdt.core.compiler.codegen.methodParameters=generate
 org.eclipse.jdt.core.compiler.codegen.shareCommonFinallyBlocks=disabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=11
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
 org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.compliance=11
+org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.debug.lineNumber=generate
 org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
@@ -169,7 +169,7 @@ org.eclipse.jdt.core.compiler.problem.unusedWarningToken=warning
 org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
 org.eclipse.jdt.core.compiler.processAnnotations=disabled
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=11
+org.eclipse.jdt.core.compiler.source=17
 org.eclipse.jdt.core.compiler.storeAnnotations=disabled
 org.eclipse.jdt.core.compiler.taskCaseSensitive=enabled
 org.eclipse.jdt.core.compiler.taskPriorities=NORMAL,HIGH,NORMAL

pom.xml

@@ -31,7 +31,7 @@
         <maven-version>3.9.12</maven-version>
         <exec.mainClass>org.rascalmpl.shell.RascalShell</exec.mainClass>
         <rascal.test.memory>3</rascal.test.memory>
-        <maven.compiler.release>11</maven.compiler.release>
+        <maven.compiler.release>17</maven.compiler.release>
         <rascal-maven.version>0.30.7</rascal-maven.version>
         <jline.version>3.29.0</jline.version> <!-- do not upgrade unless https://github.com/jline/jline3/issues/1445 is solved-->
     </properties>
@@ -550,9 +550,9 @@
             <version>2.0.6.1</version>
         </dependency>
         <dependency>
-            <groupId>org.nanohttpd</groupId>
-            <artifactId>nanohttpd</artifactId>
-            <version>2.3.1</version>
+            <groupId>io.undertow</groupId>
+            <artifactId>undertow-core</artifactId>
+            <version>2.4.1.Final</version>
         </dependency>
         <dependency>
             <groupId>com.ibm.icu</groupId>

src/org/rascalmpl/ast/AbstractAST.java

@@ -162,7 +162,7 @@ public Result<IValue> assignment(AssignableEvaluator eval) {
 
 	/**
 	 * Computes internal type representations for type literals and patterns. 
-	 * @param instantiateTypeParameters TODO
+	 * @param instantiateTypeParameters
 	 */
 	public Type typeOf(Environment env, IEvaluator<Result<IValue>> eval, boolean instantiateTypeParameters) {
 		throw new NotYetImplemented(this);
@@ -174,7 +174,7 @@ public Type __evaluate(org.rascalmpl.interpreter.BasicTypeEvaluator eval) {
 
 	/**
 	 * Recursively build a matching data-structure, use getMatcher if you are just a client of IMatchingResult.
-	 * @param bindTypeParameters TODO
+	 * @param bindTypeParameters
 	 */
 	public IMatchingResult buildMatcher(IEvaluatorContext eval, boolean bindTypeParameters) {
 		throw new UnsupportedPattern(toString(), this);

src/org/rascalmpl/debug/DebugHandler.java

@@ -18,7 +18,6 @@
 
 import static org.rascalmpl.debug.AbstractInterpreterEventTrigger.newNullEventTrigger;
 
-import java.util.Set;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.Map;
 import java.util.function.IntSupplier;
@@ -35,6 +34,7 @@
 import org.rascalmpl.interpreter.result.Result;
 import org.rascalmpl.repl.output.ICommandOutput;
 import org.rascalmpl.repl.rascal.RascalValuePrinter;
+import org.rascalmpl.values.IRascalValueFactory;
 import org.rascalmpl.values.functions.IFunction;
 import org.rascalmpl.values.parsetrees.ITree;
 
@@ -376,6 +376,16 @@ protected Function<IValue, IValue> liftProviderFunction(IFunction func) {
 					}
 				};
 			}
+
+			@Override
+			protected IRascalMonitor getMonitor() {
+				return evaluator.getMonitor();
+			}
+
+			@Override
+			protected IRascalValueFactory getRascalValueFactory() {
+				return evaluator.getFunctionValueFactory();
+			}
 		};
 
 		synchronized (evaluator) { // The evaluator is synchronized here, under the assumption that the evaluator is currently suspended by this thread
@@ -479,6 +489,7 @@ public void processMessage(IDebugMessage message) {
 	    case SET:
 		  switch (message.getDetail()) {
 			case CONDITIONAL:
+				@SuppressWarnings("unchecked") 
 				Pair<ISourceLocation, String> payload = (Pair<ISourceLocation, String>) message.getPayload();		
 	      		addBreakpoint(payload.getFirst(), payload.getSecond());
 				break;

src/org/rascalmpl/exceptions/RuntimeExceptionFactory.java

@@ -450,6 +450,7 @@ public static Throw io(String msg) {
     }
 
 	private static String mapIOException(IOException ex) {
+
 		var msg = ex.getMessage();
 		if (ex instanceof FileSystemException) {
 			// nio exceptions lack proper messages, they are encoded in the class name
@@ -466,12 +467,19 @@ private static String mapIOException(IOException ex) {
 				return "Not a directory: " + msg;
 			}
 		}
+
 		if (ex instanceof FileNotFoundException) {
 			// not all paths throw a proper message, they often only have the path name
 			return "No such file: " + msg;
 		}
+
+		if (msg == null || msg.length() == 0) {
+			// the class name has the information about what is going on
+			msg = ex.getClass().getSimpleName();
+		}
+
 		// otherwise fallback to the message
-		return msg;
+		return msg + (ex.getCause() != null ? (", due to: " + ex.getCause().getMessage()) : "");
 	}
 
 	public static Throw io(IOException ex) {

src/org/rascalmpl/interpreter/utils/JavaBridge.java

@@ -489,7 +489,11 @@ public Set<ISourceLocation> findResources(String fileName) {
 			throw new JavaMethodLink(className, e.getMessage(), e);
 		} 
 		catch (InvocationTargetException e) {
-			throw new JavaMethodLink(className, e.getMessage(), e);
+			String cause = e.getTargetException().getMessage();
+			if (cause == null || cause.length() == 0 || "null".equals(cause)) {
+				cause = e.getTargetException().getClass().getSimpleName();
+			}
+			throw new JavaMethodLink(className, cause, e);
 		} 
 		catch (SecurityException e) {
 			throw new JavaMethodLink(className, e.getMessage(), e);