initial Migration to cucumber 7

.gitignore

@@ -6,4 +6,6 @@ DS_Store
 bin/
 io.cucumber.eclipse.lsp/
 cucumber.*/
-.polyglot*
+.polyglot*
+/.project
+.settings/

io.cucumber.eclipse.editor/META-INF/MANIFEST.MF

@@ -35,7 +35,7 @@ Require-Bundle: org.eclipse.ui;bundle-version="3.5.0",
  org.apache.commons.commons-text;bundle-version="1.9.0",
  org.apache.commons.io;bundle-version="2.6.0",
  io.cucumber.tag-expressions,
- org.eclipse.unittest.ui;bundle-version="1.0.0"
+ org.eclipse.unittest.ui
 Bundle-RequiredExecutionEnvironment: JavaSE-11
 Automatic-Module-Name: io.cucumber.eclipse.editor
 Bundle-ActivationPolicy: lazy

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/codemining/CucumberRunCodeMiningProvider.java

@@ -28,10 +28,10 @@
 import io.cucumber.eclipse.editor.document.GherkinEditorDocument;
 import io.cucumber.eclipse.editor.launching.ILauncher;
 import io.cucumber.eclipse.editor.launching.ILauncher.Mode;
-import io.cucumber.messages.Messages.GherkinDocument.Feature;
-import io.cucumber.messages.Messages.GherkinDocument.Feature.Scenario;
-import io.cucumber.messages.Messages.GherkinDocument.Feature.Tag;
-import io.cucumber.messages.Messages.Location;
+import io.cucumber.messages.types.Feature;
+import io.cucumber.messages.types.Location;
+import io.cucumber.messages.types.Scenario;
+import io.cucumber.messages.types.Tag;
 import io.cucumber.tagexpressions.TagExpressionParser;
 
 /**

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/contentassist/GherkinContentAssistProcessor.java

@@ -22,8 +22,8 @@
 import io.cucumber.eclipse.editor.document.GherkinEditorDocument;
 import io.cucumber.eclipse.editor.document.GherkinKeyword;
 import io.cucumber.gherkin.GherkinDialect;
-import io.cucumber.messages.Messages.GherkinDocument.Feature;
-import io.cucumber.messages.Messages.GherkinDocument.Feature.FeatureChild;
+import io.cucumber.messages.types.Feature;
+import io.cucumber.messages.types.FeatureChild;
 
 /**
  * Provides content assist for gherkin keywords
@@ -53,9 +53,9 @@ public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int
 							.map(featureKeyWord -> createFeatureKeyWordProposal(featureKeyWord.getKey(), offset, typed))
 							.toArray(ICompletionProposal[]::new);
 				}
-				Predicate<FeatureChild> hasTopLevelElement = FeatureChild::hasBackground;
-				hasTopLevelElement = hasTopLevelElement.or(FeatureChild::hasRule);
-				hasTopLevelElement = hasTopLevelElement.or(FeatureChild::hasScenario);
+				Predicate<FeatureChild> hasTopLevelElement = f->f.getBackground().isPresent();
+				hasTopLevelElement = hasTopLevelElement.or(f->f.getRule().isPresent());
+				hasTopLevelElement = hasTopLevelElement.or(f->f.getScenario().isPresent());
 				if (editorDocument.getFeatureChilds().filter(hasTopLevelElement).count() == 0) {
 					// in this case Rule, Scenario or background are required
 					return editorDocument.getTopLevelKeywords()//
@@ -102,7 +102,7 @@ public IContextInformation[] computeContextInformation(ITextViewer viewer, int o
 		try {
 			IRegion line = viewer.getDocument().getLineInformationOfOffset(offset);
 
-			String typed = viewer.getDocument().get(line.getOffset(), offset - line.getOffset()).stripLeading();
+			/* String typed = */ viewer.getDocument().get(line.getOffset(), offset - line.getOffset()).stripLeading();
 
 			editorDocument.keyWords(GherkinDialect::getFeatureKeywords);
 

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/debug/GherkingGroupValue.java

@@ -3,7 +3,7 @@
 import org.eclipse.debug.core.DebugException;
 import org.eclipse.debug.core.model.IDebugElement;
 
-import io.cucumber.messages.Messages.TestCase.TestStep.StepMatchArgumentsList.StepMatchArgument.Group;
+import io.cucumber.messages.types.Group;
 
 /**
  * A group value
@@ -22,7 +22,7 @@ public GherkingGroupValue(IDebugElement parent, String type, Group group) {
 
 	@Override
 	public String getValueString() throws DebugException {
-		return group.getValue();
+		return group.getValue().orElse(null);
 	}
 
 }

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/debug/GherkingStackFrame.java

@@ -29,6 +29,8 @@ public GherkingStackFrame(IThread thread, int lineNumber, String name) {
 		this.name = name;
 	}
 
+
+
 	@Override
 	public boolean canStepInto() {
 		return false;

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/debug/GherkingStepDefinitionValue.java

@@ -3,7 +3,7 @@
 import org.eclipse.debug.core.DebugException;
 import org.eclipse.debug.core.model.IDebugElement;
 
-import io.cucumber.messages.Messages.StepDefinition;
+import io.cucumber.messages.types.StepDefinition;
 
 /**
  * A value representing a step definition

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/debug/GherkingStepStackFrame.java

@@ -7,9 +7,9 @@
 import org.eclipse.debug.core.model.IThread;
 import org.eclipse.debug.core.model.IVariable;
 
-import io.cucumber.messages.Messages.GherkinDocument.Feature.Step;
-import io.cucumber.messages.Messages.StepDefinition;
-import io.cucumber.messages.Messages.TestCase.TestStep;
+import io.cucumber.messages.types.Step;
+import io.cucumber.messages.types.StepDefinition;
+import io.cucumber.messages.types.TestStep;
 
 /**
  * Special stackframe that represents a test-step
@@ -25,7 +25,7 @@ public class GherkingStepStackFrame extends GherkingStackFrame {
 	private DebugRunnable stepOverHandler;
 
 	public GherkingStepStackFrame(IThread thread, TestStep testStep, Step step, StepDefinition stepDefinition) {
-		super(thread, step.getLocation().getLine(), "[" + step.getKeyword().strip() + "] " + step.getText());
+		super(thread, step.getLocation().getLine().intValue(), "[" + step.getKeyword().strip() + "] " + step.getText());
 		this.testStep = testStep;
 		this.step = step;
 		this.stepDefinition = stepDefinition;
@@ -41,11 +41,12 @@ public GherkingStepStackFrame(IThread thread, TestStep testStep, Step step, Step
 
 	private void addGroups(GherkingStackFrame stepFrame, Consumer<IVariable> variableConsumer) {
 		AtomicInteger counter = new AtomicInteger();
-		testStep.getStepMatchArgumentsListsList().stream().flatMap(list -> list.getStepMatchArgumentsList().stream())
+		testStep.getStepMatchArgumentsLists().stream().flatMap(list -> list.stream().flatMap(p->p.getStepMatchArguments().stream()))
 				.forEach(argument -> {
-					String type = argument.getParameterTypeName();
-					variableConsumer.accept(new GherkingStepVariable(stepFrame, "arg" + counter.get(),
-							new GherkingGroupValue(stepFrame.getDebugTarget(), type, argument.getGroup())));
+					argument.getParameterTypeName().ifPresent(type->
+						variableConsumer.accept(new GherkingStepVariable(stepFrame, "arg" + counter.get(),
+								new GherkingGroupValue(stepFrame.getDebugTarget(), type, argument.getGroup())))
+					);
 				});
 	}
 

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/debug/GherkingToggleBreakpointsTarget.java

@@ -19,8 +19,8 @@
 import org.osgi.service.component.annotations.Component;
 
 import io.cucumber.eclipse.editor.document.GherkinEditorDocument;
-import io.cucumber.messages.Messages.GherkinDocument.Feature.Step;
-import io.cucumber.messages.Messages.Location;
+import io.cucumber.messages.types.Step;
+import io.cucumber.messages.types.Location;
 
 /**
  * Service for providing breakpoints to the generic editor
@@ -102,7 +102,7 @@ public boolean canToggleBreakpoints(IWorkbenchPart part, ISelection selection) {
 					ITextSelection textSelection = (ITextSelection) selection;
 					int lineNumber = textSelection.getStartLine() + 1;
 					Stream<Location> stream = editorDocument.getSteps().map(Step::getLocation);
-					return stream.mapToInt(Location::getLine).filter(line -> line == lineNumber).findAny().isPresent();
+					return stream.mapToLong(Location::getLine).filter(line -> line == lineNumber).findAny().isPresent();
 				}
 			}
 		}

io.cucumber.eclipse.editor/src/io/cucumber/eclipse/editor/document/GherkinEditorDocument.java

@@ -32,13 +32,15 @@
 import org.eclipse.jface.text.IRegion;
 import org.eclipse.jface.text.Position;
 
-import io.cucumber.gherkin.Gherkin;
+//import io.cucumber.gherkin.Gherkin;
 import io.cucumber.gherkin.GherkinDialect;
 import io.cucumber.gherkin.GherkinDialectProvider;
-import io.cucumber.gherkin.Location;
-import io.cucumber.gherkin.ParserException.NoSuchLanguageException;
+import io.cucumber.gherkin.GherkinParser;
 import io.cucumber.messages.IdGenerator;
-import io.cucumber.messages.Messages.Envelope;
+import io.cucumber.messages.types.Attachment;
+import io.cucumber.messages.types.Envelope;
+import io.cucumber.messages.types.Source;
+import io.cucumber.messages.types.SourceMediaType;
 
 /**
  * 
@@ -70,8 +72,8 @@ public final class GherkinEditorDocument extends GherkinStream {
 	private Supplier<IResource> resourceSupplier;
 
 	private GherkinEditorDocument(IDocument document, Supplier<IResource> resourceSupplier) {
-		super(Gherkin.fromSources(Collections.singletonList(Gherkin.makeSourceEnvelope(document.get(), "")), true, true,
-				false, new IdGenerator.Incrementing()).toArray(Envelope[]::new));
+
+		super(getEnvelopes(document, resourceSupplier));
 		this.resourceSupplier = resourceSupplier;
 		document.addDocumentListener(new IDocumentListener() {
 
@@ -87,28 +89,46 @@ public void documentAboutToBeChanged(DocumentEvent event) {
 			}
 		});
 		this.document = document;
-		dialect = getFeature().map(f -> f.getLanguage()).filter(Objects::nonNull).filter(Predicate.not(String::isBlank))
-				.map(lang -> provider.getDialect(lang, new Location(-1, -1))).orElseGet(() -> {
-					try {
-						IRegion firstLine = document.getLineInformation(0);
-						String line = document.get(firstLine.getOffset(), firstLine.getLength()).trim();
-						if (line.startsWith("#")) {
-							String[] split = line.split("language:", 2);
-							if (split.length == 2) {
-								try {
-									return provider.getDialect(split[1].trim(), new Location(-1, -1));
-								} catch (NoSuchLanguageException e) {
-								}
-							}
+
+		Optional<String> langOpt = getFeature().map(f -> f.getLanguage()).filter(Objects::nonNull)
+				.filter(Predicate.not(String::isBlank));
+
+		dialect = langOpt.map(lang -> provider.getDialect(lang, null)).orElseGet(() -> {
+			try {
+				IRegion firstLine = document.getLineInformation(0);
+				String line = document.get(firstLine.getOffset(), firstLine.getLength()).trim();
+				if (line.startsWith("#")) {
+					String[] split = line.split("language:", 2);
+					if (split.length == 2) {
+						try {
+							return provider.getDialect(split[1].trim(), null);
+						} catch (Exception e) {
 						}
-					} catch (BadLocationException e) {
 					}
-					return provider.getDefaultDialect();
-				});
+
+				}
+			} catch (BadLocationException e) {
+			}
+			return provider.getDefaultDialect();
+		});
+
 		locale = Locale.forLanguageTag(dialect.getLanguage());
 
 	}
 
+	private static Envelope[] getEnvelopes(IDocument document, Supplier<IResource> resourceSupplier) {
+//		Gherkin.fromSources(Collections.singletonList(Gherkin.makeSourceEnvelope(document.get(), "")), true, true,
+//				false, new IdGenerator.Incrementing()).toArray(Envelope[]::new)
+		GherkinParser parser = GherkinParser.builder()
+				.includeSource(true)
+				.includeGherkinDocument(true)
+				.includePickles(false)
+				.build();
+		Source source = new Source("", document.get(), SourceMediaType.TEXT_X_CUCUMBER_GHERKIN_PLAIN);
+		Envelope envelope = Envelope.of(source);
+		return parser.parse(envelope).toArray(Envelope[]::new);
+	}
+
 	/**
 	 * @return the dialect of the document
 	 */
@@ -127,19 +147,19 @@ public IDocument getDocument() {
 		return document;
 	}
 
-	public Position getPosition(io.cucumber.messages.Messages.Location location) throws BadLocationException {
+	public Position getPosition(io.cucumber.messages.types.Location location) throws BadLocationException {
 		return getPosition(location, 0);
 	}
 
-	public Position getPosition(io.cucumber.messages.Messages.Location location, int lineOffset)
+	public Position getPosition(io.cucumber.messages.types.Location location, int lineOffset)
 			throws BadLocationException {
-		int line = location.getLine();
+		int line =  location.getLine().intValue();
 		int offset = document.getLineOffset(line - 1 - lineOffset);
-		return new Position(offset + location.getColumn() - 1, 1);
+		return new Position(offset + location.getColumn().orElse(0l).intValue() - 1, 1);
 	}
 
-	public Position getEolPosition(io.cucumber.messages.Messages.Location location) throws BadLocationException {
-		int line = location.getLine();
+	public Position getEolPosition(io.cucumber.messages.types.Location location) throws BadLocationException {
+		int line = location.getLine().intValue();
 		int offset = document.getLineOffset(line - 1);
 		int lineLength = document.getLineLength(line - 1);
 		// Workaround for Bug 570740