Update CSS language configuration and grammars to the latest ones from VSCode 1.79.0

Author: vrubezhny

org.eclipse.wildwebdeveloper.tests/src/org/eclipse/wildwebdeveloper/tests/TestLanguageServers.java

@@ -79,6 +79,44 @@ protected boolean condition() {
 		}.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 5000), "Diagnostic not published");
 	}
 
+	@Test
+	public void testSCSSFile() throws Exception {
+		final IFile file = project.getFile("blah.scss");
+		file.create(new ByteArrayInputStream("ERROR".getBytes()), true, null);
+		ITextEditor editor = (ITextEditor) IDE
+				.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
+		editor.getDocumentProvider().getDocument(editor.getEditorInput()).set("FAIL");
+		assertTrue(new DisplayHelper() {
+			@Override
+			protected boolean condition() {
+				try {
+					return file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO).length != 0;
+				} catch (CoreException e) {
+					return false;
+				}
+			}
+		}.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 5000), "Diagnostic not published");
+	}
+
+	@Test
+	public void testSASSFile() throws Exception {
+		final IFile file = project.getFile("blah.sass");
+		file.create(new ByteArrayInputStream("ERROR".getBytes()), true, null);
+		ITextEditor editor = (ITextEditor) IDE
+				.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
+		editor.getDocumentProvider().getDocument(editor.getEditorInput()).set("FAIL");
+		assertTrue(new DisplayHelper() {
+			@Override
+			protected boolean condition() {
+				try {
+					return file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO).length != 0;
+				} catch (CoreException e) {
+					return false;
+				}
+			}
+		}.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 5000), "Diagnostic not published");
+	}
+
 	@Test
 	public void testHTMLFile() throws Exception {
 		final IFile file = project.getFile("blah.html");
@@ -202,7 +240,7 @@ public void testTSXFile() throws Exception {
 		ITextEditor editor = (ITextEditor) IDE
 				.openEditor(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(), file);
 		editor.getDocumentProvider().getDocument(editor.getEditorInput()).set("FAIL");
-		
+
 		assertTrue(new DisplayHelper() {
 			@Override
 			protected boolean condition() {
@@ -213,15 +251,15 @@ protected boolean condition() {
 				}
 			}
 		}.waitForCondition(PlatformUI.getWorkbench().getDisplay(), 15000), "Diagnostic not published");
-		
+
 		editor.getDocumentProvider().getDocument(editor.getEditorInput()).set("const x = <></>;export default x;");
 		assertTrue(new DisplayHelper() {
 			@Override
 			protected boolean condition() {
 				try {
 					IMarker[] markers = file.findMarkers("org.eclipse.lsp4e.diagnostic", true, IResource.DEPTH_ZERO);
-					for(IMarker m: markers){
-						if(((String) m.getAttribute(IMarker.MESSAGE)).contains("React")){
+					for (IMarker m : markers) {
+						if (((String) m.getAttribute(IMarker.MESSAGE)).contains("React")) {
 							return true;
 						}
 					}

org.eclipse.wildwebdeveloper/grammars/css/css.tmLanguage.json

@@ -4,16 +4,9 @@
 		"If you want to provide a fix or improvement, please create a pull request against the original repository.",
 		"Once accepted there, we are happy to receive an update request."
 	],
+	"version": "https://github.com/atom/language-less/commit/87d4d59e8de6796b506b81a16e1dc1fafc99d30f",
 	"name": "Less",
 	"scopeName": "source.css.less",
-	"fileTypes": [
-		"less",
-		"less.erb",
-		"rc",
-		"gtkrc",
-		"gtkrc-2.0",
-		"themerc"
-	],
 	"patterns": [
 		{
 			"include": "#strings"
@@ -444,7 +437,7 @@
 					"name": "string.quoted.double.css",
 					"patterns": [
 						{
-							"match": "\\\\(\\h{1,6}|.)",
+							"match": "\\\\([0-9A-Fa-f]{1,6}|.)",
 							"name": "constant.character.escape.css"
 						},
 						{
@@ -468,7 +461,7 @@
 					"name": "string.quoted.single.css",
 					"patterns": [
 						{
-							"match": "\\\\(\\h{1,6}|.)",
+							"match": "\\\\([0-9A-Fa-f]{1,6}|.)",
 							"name": "constant.character.escape.css"
 						},
 						{