[#105] Move and rename DefaultCLanguageServerProvider

bundles/org.eclipse.cdt.lsp.clangd/META-INF/MANIFEST.MF

@@ -4,7 +4,8 @@ Bundle-ActivationPolicy: lazy
 Bundle-ManifestVersion: 2
 Bundle-SymbolicName: org.eclipse.cdt.lsp.clangd;singleton:=true
 Bundle-Version: 1.0.0.qualifier
-Export-Package: org.eclipse.cdt.lsp.internal.clangd;x-internal:=true,
+Export-Package: org.eclipse.cdt.lsp.clangd;x-internal:=true,
+ org.eclipse.cdt.lsp.internal.clangd;x-internal:=true,
  org.eclipse.cdt.lsp.internal.clangd.editor;x-internal:=true,
  org.eclipse.cdt.lsp.internal.clangd.editor.expressions;x-internal:=true,
  org.eclipse.cdt.lsp.internal.clangd.editor.handlers;x-internal:=true,

bundles/org.eclipse.cdt.lsp.clangd/plugin.xml

@@ -63,7 +63,7 @@
    <extension
          point="org.eclipse.cdt.lsp.serverProvider">
       <server
-            class="org.eclipse.cdt.lsp.internal.clangd.CdtCLanguageServerProvider"
+            class="org.eclipse.cdt.lsp.internal.clangd.ClangdLanguageServerProvider"
             priority="low">
          <enabledWhen>
             <test

bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/server/DefaultCLanguageServerProvider.java → bundles/org.eclipse.cdt.lsp.clangd/src/org/eclipse/cdt/lsp/clangd/BaseClangdLanguageServerProvider.java

@@ -10,27 +10,33 @@
  * Gesa Hentschke (Bachmann electronic GmbH) - initial implementation
  *******************************************************************************/
 
-package org.eclipse.cdt.lsp.server;
+package org.eclipse.cdt.lsp.clangd;
 
 import java.util.ArrayList;
 import java.util.List;
 
+import org.eclipse.cdt.lsp.server.EnableExpression;
+import org.eclipse.cdt.lsp.server.ICLanguageServerProvider;
 import org.eclipse.cdt.utils.PathUtil;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.runtime.IPath;
 
-public class DefaultCLanguageServerProvider implements ICLanguageServerProvider {
-	public static final String CLANG_TIDY = "--clang-tidy";
-	public static final String BACKGROUND_INDEX = "--background-index";
-	public static final String COMPLETION_STYLE = "--completion-style=detailed";
-	public static final String PRETTY = "--pretty";
-	public static final String QUERY_DRIVER = "--query-driver=";
+/**
+ * Base class for a clangd language server provider. Can be extended by vendors.
+ *
+ */
+public abstract class BaseClangdLanguageServerProvider implements ICLanguageServerProvider {
+	public static final String CLANG_TIDY = "--clang-tidy"; //$NON-NLS-1$
+	public static final String BACKGROUND_INDEX = "--background-index"; //$NON-NLS-1$
+	public static final String COMPLETION_STYLE = "--completion-style=detailed"; //$NON-NLS-1$
+	public static final String PRETTY = "--pretty"; //$NON-NLS-1$
+	public static final String QUERY_DRIVER = "--query-driver="; //$NON-NLS-1$
 
 	protected List<String> commands;
 
 	protected EnableExpression enableExpression;
 
-	public DefaultCLanguageServerProvider() {
+	public BaseClangdLanguageServerProvider() {
 		commands = createCommands();
 	}
 
@@ -46,17 +52,19 @@ public void setCommands(List<String> commands) {
 
 	protected List<String> createCommands() {
 		List<String> commands = new ArrayList<>();
-		IPath clangdLocation = PathUtil.findProgramLocation("clangd", null); //in case pathStr is null environment variable ${PATH} is inspected
+		IPath clangdLocation = PathUtil.findProgramLocation("clangd", null); // in case pathStr is null environment //$NON-NLS-1$
+																				// variable ${PATH} is inspected
 		if (clangdLocation != null) {
 			commands.add(clangdLocation.toOSString());
 			commands.add(CLANG_TIDY);
 			commands.add(BACKGROUND_INDEX);
 			commands.add(COMPLETION_STYLE);
 			commands.add(PRETTY);
-			// clangd will execute drivers and fetch necessary include paths to compile your code:
-			IPath compilerLocation = PathUtil.findProgramLocation("gcc", null);
+			// clangd will execute drivers and fetch necessary include paths to compile your
+			// code:
+			IPath compilerLocation = PathUtil.findProgramLocation("gcc", null); //$NON-NLS-1$
 			if (compilerLocation != null) {
-				commands.add(QUERY_DRIVER + compilerLocation.removeLastSegments(1).append(IPath.SEPARATOR + "*"));
+				commands.add(QUERY_DRIVER + compilerLocation.removeLastSegments(1).append(IPath.SEPARATOR + "*")); //$NON-NLS-1$
 			}
 		}
 		return commands;
@@ -77,7 +85,8 @@ public boolean isEnabledFor(IProject project) {
 		if (enableExpression != null) {
 			return enableExpression.evaluate(project);
 		}
-		//language server is always enabled when no enable expression has been defined in the extension point:
+		// language server is always enabled when no enable expression has been defined
+		// in the extension point:
 		return true;
 	}
 }

bundles/org.eclipse.cdt.lsp.clangd/src/org/eclipse/cdt/lsp/internal/clangd/ClangdFallbackManager.java → bundles/org.eclipse.cdt.lsp.clangd/src/org/eclipse/cdt/lsp/clangd/ClangdFallbackManager.java

@@ -10,7 +10,7 @@
  * Gesa Hentschke (Bachmann electronic GmbH) - initial implementation
  *******************************************************************************/
 
-package org.eclipse.cdt.lsp.internal.clangd;
+package org.eclipse.cdt.lsp.clangd;
 
 import java.util.Optional;
 
@@ -23,7 +23,7 @@
 import org.eclipse.osgi.service.environment.Constants;
 
 /**
- * Used to set the clangd fallbackFlags.
+ * Used to create and set the clangd fallbackFlags.
  * This is needed for Windows OS to allow clangd to determine the system includes in case no compile_commands.json can be found.
  * see also: https://clangd.llvm.org/extensions#compilation-commands
  *

bundles/org.eclipse.cdt.lsp.clangd/src/org/eclipse/cdt/lsp/internal/clangd/CdtCLanguageServerProvider.java → bundles/org.eclipse.cdt.lsp.clangd/src/org/eclipse/cdt/lsp/internal/clangd/ClangdLanguageServerProvider.java

@@ -18,13 +18,14 @@
 import java.util.Arrays;
 import java.util.List;
 
+import org.eclipse.cdt.lsp.clangd.BaseClangdLanguageServerProvider;
+import org.eclipse.cdt.lsp.clangd.ClangdFallbackManager;
 import org.eclipse.cdt.lsp.internal.clangd.editor.LspEditorUiPlugin;
 import org.eclipse.cdt.lsp.internal.clangd.editor.preferences.LspEditorPreferences;
-import org.eclipse.cdt.lsp.server.DefaultCLanguageServerProvider;
 import org.eclipse.cdt.utils.CommandLineUtil;
 import org.eclipse.jface.preference.IPreferenceStore;
 
-public class CdtCLanguageServerProvider extends DefaultCLanguageServerProvider {
+public class ClangdLanguageServerProvider extends BaseClangdLanguageServerProvider {
 	//FIXME: AF: rework to core preferences
 	private static final IPreferenceStore preferenceStore = LspEditorUiPlugin.getDefault().getLsPreferences();
 	private final ClangdFallbackManager clangdFallbackManager = new ClangdFallbackManager();

bundles/org.eclipse.cdt.lsp.clangd/src/org/eclipse/cdt/lsp/internal/clangd/editor/preferences/LspEditorPreferencePage.java

@@ -13,16 +13,16 @@
 
 package org.eclipse.cdt.lsp.internal.clangd.editor.preferences;
 
-import org.eclipse.cdt.ui.newui.MultiLineTextFieldEditor;
-import org.eclipse.cdt.utils.CommandLineUtil;
-
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
+import java.util.Optional;
 
 import org.eclipse.cdt.lsp.LspPlugin;
 import org.eclipse.cdt.lsp.internal.clangd.editor.LspEditorUiMessages;
 import org.eclipse.cdt.lsp.internal.clangd.editor.LspEditorUiPlugin;
+import org.eclipse.cdt.ui.newui.MultiLineTextFieldEditor;
+import org.eclipse.cdt.utils.CommandLineUtil;
 import org.eclipse.core.runtime.preferences.PreferenceMetadata;
 import org.eclipse.jface.preference.BooleanFieldEditor;
 import org.eclipse.jface.preference.FieldEditorPreferencePage;
@@ -70,28 +70,35 @@ private void writeServerPathToProvider(String path) {
 		if (path == null || path.isBlank()) {
 			return;
 		}
-		List<String> commands = LspPlugin.getDefault().getCLanguageServerProvider().getCommands();
+		List<String> commands = Optional.ofNullable(LspPlugin.getDefault())
+				.map(plugin -> plugin.getCLanguageServerProvider()).map(provider -> provider.getCommands())
+				.orElse(null);
 		if (commands != null && !commands.isEmpty()) {
 			commands.set(0, path);
 		} else if (commands == null) {
 			commands = new ArrayList<>();
 			commands.add(path);
 		}
-		LspPlugin.getDefault().getCLanguageServerProvider().setCommands(commands);
+		final List<String> finalCommands = commands;
+		Optional.ofNullable(LspPlugin.getDefault()).map(plugin -> plugin.getCLanguageServerProvider())
+				.ifPresent(provider -> provider.setCommands(finalCommands));
 	}
 
 	private void writeServerOptionsToProvider(String options) {
 		if (options == null) {
 			return;
 		}
-		List<String> commands = LspPlugin.getDefault().getCLanguageServerProvider().getCommands();
+		List<String> commands = Optional.ofNullable(LspPlugin.getDefault())
+				.map(plugin -> plugin.getCLanguageServerProvider()).map(provider -> provider.getCommands())
+				.orElse(null);
 		if (commands != null && !commands.isEmpty()) {
 			String serverPath = commands.get(0); // save server path
 			commands.clear(); // clear all old options
 			commands.add(serverPath);
 			commands.addAll(Arrays.asList(CommandLineUtil.argumentsToArray(options)));
+			Optional.ofNullable(LspPlugin.getDefault()).map(plugin -> plugin.getCLanguageServerProvider())
+					.ifPresent(provider -> provider.setCommands(commands));
 		}
-		LspPlugin.getDefault().getCLanguageServerProvider().setCommands(commands);
 	}
 
 }

bundles/org.eclipse.cdt.lsp.test/src/org/eclipse/cdt/lsp/test/server/MockCLanguageServerProvider.java

@@ -12,8 +12,36 @@
 
 package org.eclipse.cdt.lsp.test.server;
 
-import org.eclipse.cdt.lsp.server.DefaultCLanguageServerProvider;
+import java.util.List;
 
-public class MockCLanguageServerProvider extends DefaultCLanguageServerProvider {
+import org.eclipse.cdt.lsp.server.EnableExpression;
+import org.eclipse.cdt.lsp.server.ICLanguageServerProvider;
+import org.eclipse.core.resources.IProject;
+
+public class MockCLanguageServerProvider implements ICLanguageServerProvider {
+
+	@Override
+	public List<String> getCommands() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public void setCommands(List<String> commands) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void setEnableExpression(EnableExpression enableExpression) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public boolean isEnabledFor(IProject project) {
+		// TODO Auto-generated method stub
+		return false;
+	}
 
 }

bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/editor/CEditorAssociationOverride.java

@@ -76,6 +76,8 @@ public IEditorDescriptor overrideDefaultEditor(String fileName, IContentType con
 	}
 
 	private boolean isEnabledFor(IEditorInput editorInput) {
+		if (cLanguageServerProvider == null)
+			return false;
 		IResource resource = editorInput.getAdapter(IResource.class);
 		if (resource != null) {
 			return cLanguageServerProvider.isEnabledFor(resource.getProject());

bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/internal/server/CLanguageServerRegistry.java

@@ -17,7 +17,6 @@
 import java.util.Optional;
 
 import org.eclipse.cdt.lsp.LspPlugin;
-import org.eclipse.cdt.lsp.server.DefaultCLanguageServerProvider;
 import org.eclipse.cdt.lsp.server.EnableExpression;
 import org.eclipse.cdt.lsp.server.ICLanguageServerProvider;
 import org.eclipse.core.expressions.ExpressionConverter;
@@ -51,7 +50,7 @@ public CLanguageServerRegistry() {
 	public ICLanguageServerProvider createCLanguageServerProvider() {
 		prioritizedProvider = null;
 		highestPrio = Priority.low;
-		HashMap<Priority, ICLanguageServerProvider> providers = new HashMap<Priority, ICLanguageServerProvider>();
+		HashMap<Priority, ICLanguageServerProvider> providers = new HashMap<>();
 		for (IConfigurationElement configurationElement : cExtensionPoint.getConfigurationElements()) {
 			if (SERVER_ELEMENT.equals(configurationElement.getName())) {
 				ICLanguageServerProvider provider = (ICLanguageServerProvider) getInstanceFromExtension(
@@ -84,7 +83,6 @@ public ICLanguageServerProvider createCLanguageServerProvider() {
 		}
 		if (providers.isEmpty()) {
 			Platform.getLog(getClass()).warn("No C/C++ language server defined");
-			prioritizedProvider = new DefaultCLanguageServerProvider();
 		} else {
 			// get provider with highest priority:
 			providers.forEach((key, value) -> {

bundles/org.eclipse.cdt.lsp/src/org/eclipse/cdt/lsp/internal/server/CLanguageServerStreamConnectionProvider.java

@@ -13,6 +13,7 @@
 package org.eclipse.cdt.lsp.internal.server;
 
 import java.net.URI;
+import java.util.Optional;
 
 import org.eclipse.cdt.lsp.LspPlugin;
 import org.eclipse.cdt.lsp.server.ICLanguageServerProvider;
@@ -23,15 +24,15 @@ public class CLanguageServerStreamConnectionProvider extends ProcessStreamConnec
 
 	public CLanguageServerStreamConnectionProvider() {
 		this.cLanguageServerProvider = LspPlugin.getDefault().getCLanguageServerProvider();
-		setCommands(cLanguageServerProvider.getCommands());
+		Optional.ofNullable(cLanguageServerProvider).ifPresent(p -> setCommands(p.getCommands()));
 
 		// set the working directory for the Java process which runs the C/C++ language server:
 		setWorkingDirectory(System.getProperty("user.dir")); //$NON-NLS-1$
 	}
 
 	@Override
 	public Object getInitializationOptions(URI rootUri) {
-		return this.cLanguageServerProvider.getInitializationOptions(rootUri);
+		return Optional.ofNullable(cLanguageServerProvider).map(p -> p.getInitializationOptions(rootUri)).orElse(null);
 	}
 
 }