Highlight ports with invalid behaviour

src/features/dfdElements/AssignmentLanguage.ts

@@ -7,7 +7,7 @@ import {
     Token,
     WordCompletion,
 } from "../constraintMenu/AutoCompletion";
-import { SModelElementImpl, SModelRootImpl, SParentElementImpl, SPortImpl } from "sprotty";
+import { SModelElementImpl, SParentElementImpl, SPortImpl } from "sprotty";
 import { LabelTypeRegistry } from "../labels/labelTypeRegistry";
 import { DfdNodeImpl } from "./nodes";
 
@@ -148,14 +148,14 @@ export class ReplaceAutoCompleteTree extends AutoCompleteTree {
 
 export namespace TreeBuilder {
     export function buildTree(
-        model: SModelRootImpl,
         labelTypeRegistry: LabelTypeRegistry,
+        port?: SPortImpl,
     ): AutoCompleteNode<WordOrReplacableWord>[] {
         return [
             buildSetOrUnsetStatement(labelTypeRegistry, "set"),
             buildSetOrUnsetStatement(labelTypeRegistry, "unset"),
-            buildForwardStatement(model),
-            buildAssignStatement(labelTypeRegistry, model),
+            buildForwardStatement(port),
+            buildAssignStatement(labelTypeRegistry, port),
         ];
     }
 
@@ -173,9 +173,9 @@ export namespace TreeBuilder {
         };
     }
 
-    function buildForwardStatement(model: SModelRootImpl) {
+    function buildForwardStatement(port?: SPortImpl) {
         const inputNode: AutoCompleteNode = {
-            word: new InputListWord(model),
+            word: new InputListWord(port),
             children: [],
         };
         return {
@@ -186,20 +186,20 @@ export namespace TreeBuilder {
 
     function buildAssignStatement(
         labelTypeRegistry: LabelTypeRegistry,
-        model: SModelRootImpl,
+        port?: SPortImpl,
     ): AutoCompleteNode<WordOrReplacableWord> {
         const fromNode: AutoCompleteNode = {
             word: new ConstantWord("from"),
             children: [
                 {
-                    word: new InputListWord(model),
+                    word: new InputListWord(port),
                     children: [],
                 },
             ],
         };
         const ifNode: AutoCompleteNode = {
             word: new ConstantWord("if"),
-            children: buildCondition(model, labelTypeRegistry, fromNode),
+            children: buildCondition(labelTypeRegistry, fromNode, port),
         };
         return {
             word: new ConstantWord("assign"),
@@ -212,7 +212,7 @@ export namespace TreeBuilder {
         };
     }
 
-    function buildCondition(model: SModelRootImpl, labelTypeRegistry: LabelTypeRegistry, nextNode: AutoCompleteNode) {
+    function buildCondition(labelTypeRegistry: LabelTypeRegistry, nextNode: AutoCompleteNode, port?: SPortImpl) {
         const connectors: AutoCompleteNode[] = ["&&", "||"].map((o) => ({
             word: new ConstantWord(o),
             children: [],
@@ -221,7 +221,7 @@ export namespace TreeBuilder {
         const expressors: AutoCompleteNode[] = [
             new ConstantWord("TRUE"),
             new ConstantWord("FALSE"),
-            new InputLabelWord(model, labelTypeRegistry),
+            new InputLabelWord(labelTypeRegistry, port),
         ].map((e) => ({
             word: e,
             children: [...connectors, nextNode],
@@ -236,20 +236,14 @@ export namespace TreeBuilder {
 }
 
 abstract class InputAwareWord {
-    constructor(private model: SModelRootImpl) {}
+    constructor(private port?: SPortImpl) {}
 
     protected getAvailableInputs(): string[] {
-        const selectedPorts = this.getSelectedPorts(this.model);
-        if (selectedPorts.length === 0) {
-            return [];
-        }
-        return selectedPorts.flatMap((port) => {
-            const parent = port.parent;
-            if (!(parent instanceof DfdNodeImpl)) {
-                return [];
-            }
+        const parent = this.port?.parent;
+        if (parent && parent instanceof DfdNodeImpl) {
             return parent.getAvailableInputs().filter((input) => input !== undefined) as string[];
-        });
+        }
+        return [];
     }
 
     private getSelectedPorts(node: SModelElementImpl): SPortImpl[] {
@@ -386,8 +380,8 @@ class InputWord extends InputAwareWord implements ReplaceableAbstractWord {
 
 class InputListWord implements ReplaceableAbstractWord {
     private inputWord: InputWord;
-    constructor(model: SModelRootImpl) {
-        this.inputWord = new InputWord(model);
+    constructor(port?: SPortImpl) {
+        this.inputWord = new InputWord(port);
     }
 
     completionOptions(word: string): WordCompletion[] {
@@ -426,8 +420,8 @@ class InputLabelWord implements ReplaceableAbstractWord {
     private inputWord: InputWord;
     private labelWord: LabelWord;
 
-    constructor(model: SModelRootImpl, labelTypeRegistry: LabelTypeRegistry) {
-        this.inputWord = new InputWord(model);
+    constructor(labelTypeRegistry: LabelTypeRegistry, port?: SPortImpl) {
+        this.inputWord = new InputWord(port);
         this.labelWord = new LabelWord(labelTypeRegistry);
     }
 

src/features/dfdElements/behaviorRefactorer.ts

@@ -10,7 +10,6 @@ import {
     SEdgeImpl,
     SLabelImpl,
     SModelElementImpl,
-    SModelRootImpl,
     SParentElementImpl,
     TYPES,
 } from "sprotty";
@@ -87,8 +86,8 @@ export class DFDBehaviorRefactorer {
         this.logger.log(this, "Changed labels", changedLabels);
 
         const model = await this.commandStack.executeAll([]);
-        const tree = new ReplaceAutoCompleteTree(TreeBuilder.buildTree(model, this.registry));
         this.traverseDfdOutputPorts(model, (port) => {
+            const tree = new ReplaceAutoCompleteTree(TreeBuilder.buildTree(this.registry, port));
             this.renameLabelsForPort(port, changedLabels, tree);
         });
 
@@ -118,7 +117,6 @@ export class DFDBehaviorRefactorer {
         port: DfdInputPortImpl,
         oldLabelText: string,
         newLabelText: string,
-        root: SModelRootImpl,
     ): Map<string, string> {
         label.text = oldLabelText;
         const oldInputName = port.getName();
@@ -131,7 +129,7 @@ export class DFDBehaviorRefactorer {
             return behaviorChanges;
         }
 
-        const tree = new ReplaceAutoCompleteTree(TreeBuilder.buildTree(root, this.registry));
+        const tree = new ReplaceAutoCompleteTree(TreeBuilder.buildTree(this.registry, port));
 
         node.children.forEach((child) => {
             if (!(child instanceof DfdOutputPortImpl)) {
@@ -209,7 +207,6 @@ export class RefactorInputNameInDFDBehaviorCommand extends Command {
             port,
             oldInputName,
             newInputName,
-            context.root,
         );
         behaviorChanges.forEach((updatedBehavior, id) => {
             const port = context.root.index.getById(id);

src/features/dfdElements/elementStyles.css

@@ -72,8 +72,8 @@
 /* Ports */
 
 .sprotty-port rect {
-    stroke: var(--color-foreground);
-    fill: color-mix(in srgb, var(--color-primary), var(--color-background) 25%);
+    stroke: var(--port-border, var(--color-foreground));
+    fill: color-mix(in srgb, var(--port-color, var(--color-primary)), var(--color-background) 25%);
     stroke-width: 0.5;
 }
 

src/features/dfdElements/outputPortEditUi.ts

@@ -318,7 +318,7 @@ export class OutputPortEditUI extends AbstractUIExtension implements Switchable
             readOnly: this.editorModeController?.isReadOnly() ?? false,
         });
 
-        this.tree = new ReplaceAutoCompleteTree(TreeBuilder.buildTree(root, this.labelTypeRegistry));
+        this.tree = new ReplaceAutoCompleteTree(TreeBuilder.buildTree(this.labelTypeRegistry, this.port));
 
         // Validation of loaded behavior text.
         this.validateBehavior();

src/features/dfdElements/ports.tsx

@@ -13,8 +13,11 @@ import {
 } from "sprotty";
 import { Bounds, SPort } from "sprotty-protocol";
 import { injectable } from "inversify";
-import { VNode } from "snabbdom";
+import { VNode, VNodeStyle } from "snabbdom";
 import { ArrowEdgeImpl } from "./edges";
+import { AutoCompleteTree } from "../constraintMenu/AutoCompletion";
+import { TreeBuilder } from "./AssignmentLanguage";
+import { labelTypeRegistry } from "../..";
 
 const defaultPortFeatures = [...SPortImpl.DEFAULT_FEATURES, moveFeature, deletableFeature];
 const portSize = 7;
@@ -94,6 +97,12 @@ export class DfdOutputPortImpl extends SPortImpl {
     static readonly DEFAULT_FEATURES = [...defaultPortFeatures, withEditLabelFeature];
 
     behavior: string = "";
+    private tree: AutoCompleteTree;
+
+    constructor() {
+        super();
+        this.tree = new AutoCompleteTree(TreeBuilder.buildTree(labelTypeRegistry, this));
+    }
 
     override get bounds(): Bounds {
         return {
@@ -117,19 +126,37 @@ export class DfdOutputPortImpl extends SPortImpl {
         // Only allow edges from this port outwards
         return role === "source";
     }
+
+    /**
+     * Generates the per-node inline style object for the view.
+     */
+    geViewStyleObject(): VNodeStyle {
+        const style: VNodeStyle = {
+            opacity: this.opacity.toString(),
+        };
+        if (!labelTypeRegistry) return style;
+        const valid = this.tree.verify(this.behavior.split("\n")).length == 0;
+
+        if (!valid) {
+            style["--port-border"] = "#ff0000";
+            style["--port-color"] = "#ff6961";
+        }
+
+        return style;
+    }
 }
 
 @injectable()
 export class DfdOutputPortView extends ShapeView {
-    render(node: Readonly<SPortImpl>, context: RenderingContext): VNode | undefined {
+    render(node: Readonly<DfdOutputPortImpl>, context: RenderingContext): VNode | undefined {
         if (!this.isVisible(node, context)) {
             return undefined;
         }
 
         const { width, height } = node.bounds;
 
         return (
-            <g class-sprotty-port={true} class-selected={node.selected} style={{ opacity: node.opacity.toString() }}>
+            <g class-sprotty-port={true} class-selected={node.selected} style={node.geViewStyleObject()}>
                 <rect x="0" y="0" width={width} height={height} />
                 <text x={width / 2} y={height / 2} class-port-text={true}>
                     O

src/index.ts

@@ -34,6 +34,7 @@ import { settingsModule } from "./features/settingsMenu/di.config";
 import { LoadDiagramAction } from "./features/serialize/load";
 import { commandPaletteModule } from "./features/commandPalette/di.config";
 import { LoadingIndicator } from "./common/loadingIndicator";
+import { LabelTypeRegistry } from "./features/labels/labelTypeRegistry";
 
 const container = new Container();
 
@@ -77,6 +78,7 @@ export function setModelFileName(name: string): void {
 export function getModelFileName(): string {
     return modelFileName;
 }
+export const labelTypeRegistry = container.get<LabelTypeRegistry>(LabelTypeRegistry);
 
 export function setModelSource(file: File): void {
     modelSource