Gracefully handle YTT in Yaml

Author: BoykoAlex

headless-services/commons/commons-yaml/src/main/java/org/springframework/ide/vscode/commons/yaml/ast/YamlParser.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2016-2023 Pivotal, Inc.
+ * Copyright (c) 2016-2025 Pivotal, Inc.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -37,6 +37,7 @@ public YamlFileAST getAST(IDocument doc) throws Exception {
 		CharSequenceReader reader = new CharSequenceReader();
 		reader.setInput(atTokenTransformHack(doc.get()));
 		LoaderOptions loaderOpts = new LoaderOptions();
+		loaderOpts.setProcessComments(true);
 		loaderOpts.setMaxAliasesForCollections(1000);
 		Iterable<Node> nodes = new Yaml(new SafeConstructor(loaderOpts), new Representer(new DumperOptions()), new DumperOptions(), loaderOpts).composeAll(reader);
 		return new YamlFileAST(doc, ImmutableList.copyOf(nodes));

headless-services/commons/commons-yaml/src/main/java/org/springframework/ide/vscode/commons/yaml/reconcile/SchemaBasedYamlASTReconciler.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2016-2017 Pivotal, Inc.
+ * Copyright (c) 2016-2025 Pivotal, Inc.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -240,11 +240,21 @@ private void parse(YamlFileAST ast, Node node, YType type, ValueParser parser) {
 				parser.parse(value);
 			}
 		} catch (Exception e) {
-			ProblemType problemType = getProblemType(e);
-			DocumentRegion region = getRegion(e, ast.getDocument(), node);
-			String msg = getMessage(e);
-			valueParseError(type, region, msg, problemType, getValueReplacement(e));
+			// check for YTT
+			if (isYttUsed(node)) {
+				ProblemType problemType = getProblemType(e);
+				DocumentRegion region = getRegion(e, ast.getDocument(), node);
+				String msg = getMessage(e);
+				valueParseError(type, region, msg, problemType, getValueReplacement(e));
+			}
+		}
+	}
+	
+	private boolean isYttUsed(Node node) {
+		if (node.getBlockComments() != null) {
+			return node.getBlockComments().stream().anyMatch(cl -> cl.getValue().startsWith("@"));
 		}
+		return false;
 	}
 
 	protected ReplacementQuickfix getValueReplacement(Exception _e) {

headless-services/commons/commons-yaml/src/main/java/org/springframework/ide/vscode/commons/yaml/reconcile/TypeBasedYamlHierarchicalSymbolHandler.java

@@ -76,7 +76,8 @@ public DocumentSymbol createSymbol(YamlFileAST currentAst, Node node, YType type
 				IDocument doc = currentAst.getDocument();
 				if (namePath!=null) {
 					Node nameNode = namePath.traverseNode(node);
-					if (nameNode!=null) {
+					// VSCode throws for DocumentSymbols having null or empty name hence do not create the symbol
+					if (nameNode!=null && !NodeUtil.asScalar(nameNode).isEmpty()) {
 						DocumentRegion nodeRegion = NodeUtil.region(doc, node);
 						DocumentRegion nameRegion = NodeUtil.region(doc, nameNode);
 						if (!nodeRegion.contains(nameRegion)) {