Streamlined check enablement logic.

codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/core/model/AbstractChecker.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2010 Alena Laskavaia
+ * Copyright (c) 2009, 2012 Alena Laskavaia
  * 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
@@ -39,8 +39,8 @@ public abstract class AbstractChecker implements IChecker {
 
 	@Deprecated
 	@Override
-	public boolean enabledInContext(IResource res) {
+	public boolean enabledInContext(IResource resource) {
-		return res.getType() == IResource.FILE;
+		return false;
 	}
 
 	/**
@@ -204,17 +204,15 @@ public abstract class AbstractChecker implements IChecker {
 	 */
 	@Override
 	public void before(IResource resource) {
-		IProblemReporter problemReporter = CodanRuntime.getInstance().getProblemReporter();
+		IProblemReporter reporter = CodanRuntime.getInstance().getProblemReporter();
-		this.problemReporter = problemReporter;
+		problemReporter = reporter;
-		if (problemReporter instanceof IProblemReporterSessionPersistent) {
+		if (reporter instanceof IProblemReporterSessionPersistent) {
-			// create session problem reporter
+			// Create session problem reporter
-			this.problemReporter = ((IProblemReporterSessionPersistent) problemReporter).createReporter(resource, this);
+			problemReporter = ((IProblemReporterSessionPersistent) reporter).createReporter(resource, this);
-			((IProblemReporterSessionPersistent) this.problemReporter).start();
+			((IProblemReporterSessionPersistent) problemReporter).start();
-		} else if (problemReporter instanceof IProblemReporterPersistent) {
+		} else if (reporter instanceof IProblemReporterPersistent) {
-			// delete markers if checker can possibly run on this
+			// Delete markers.
-			// resource  this way if checker is not enabled markers would be
+			((IProblemReporterPersistent) reporter).deleteProblems(resource, this);
-			// deleted too
-			((IProblemReporterPersistent) problemReporter).deleteProblems(resource, this);
 		}
 	}
 
@@ -224,7 +222,7 @@ public abstract class AbstractChecker implements IChecker {
 	@Override
 	public void after(IResource resource) {
 		if (problemReporter instanceof IProblemReporterSessionPersistent) {
-			// Delete general markers
+			// Delete general markers.
 			((IProblemReporterSessionPersistent) problemReporter).done();
 		}
 		problemReporter = null;

codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/core/model/IChecker.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2010 Alena Laskavaia
+ * Copyright (c) 2009, 2012 Alena Laskavaia
  * 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
@@ -29,6 +29,14 @@ import org.eclipse.core.runtime.OperationCanceledException;
  *              Extend {@link AbstractChecker} class instead.
  */
 public interface IChecker {
+	/**
+	 * Called before processing a resource.
+	 *
+	 * @param resource the resource that is about to be processed.
+	 * @since 2.0
+	 */
+	void before(IResource resource);
+
 	/**
 	 * Main method that checker should implement that actually detects errors
 	 *
@@ -44,15 +52,7 @@ public interface IChecker {
 			throws OperationCanceledException;
 
 	/**
-	 * Called before processing a resource.
+	 * Called after processing a resource.
-	 *
-	 * @param resource the resource that is about to be processed.
-	 * @since 2.0
-	 */
-	void before(IResource resource);
-
-	/**
-	 * Called before processing a resource.
 	 *
 	 * @param resource the resource that has been processed.
 	 * @since 2.0
@@ -66,14 +66,10 @@ public interface IChecker {
 	IProblemReporter getProblemReporter();
 
 	/**
-	 * Implement this method to trim down type of resource you are interested
-	 * in, usually it will be c/c++ files only. This method should be
-	 * independent from current user preferences.
-	 *
 	 * @param resource the resource to run on.
 	 * @return true if checker should be run on this resource.
-	 * @deprecated  Replaced by {@code CheckersRegistry.isCheckerEnabled((IChecker IResource, CheckerLaunchMode)}
+	 * @deprecated Ignored since 2.0. Replaced by
-	 * and {@code ICheckerEnablementVerifier.isCheckerEnabled(IChecker IResource, CheckerLaunchMode)}.
+	 *     {@code CheckersRegistry.isCheckerEnabled((IChecker, IResource, CheckerLaunchMode)}
 	 */
 	@Deprecated
 	boolean enabledInContext(IResource resource);
@@ -86,8 +82,7 @@ public interface IChecker {
 	 * Checker should return false if check is non-trivial and takes a long
 	 * time.
 	 *
-	 * @return true if need to be run in editor as user types, and false
+	 * @return true if need to be run in editor as user types, and false otherwise
-	 *         otherwise
 	 */
 	boolean runInEditor();
 }

codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/internal/core/CheckersRegistry.java

@@ -22,6 +22,7 @@ import org.eclipse.cdt.codan.core.CodanCorePlugin;
 import org.eclipse.cdt.codan.core.PreferenceConstants;
 import org.eclipse.cdt.codan.core.model.AbstractCheckerWithProblemPreferences;
 import org.eclipse.cdt.codan.core.model.CheckerLaunchMode;
+import org.eclipse.cdt.codan.core.model.Checkers;
 import org.eclipse.cdt.codan.core.model.CodanSeverity;
 import org.eclipse.cdt.codan.core.model.IChecker;
 import org.eclipse.cdt.codan.core.model.ICheckerWithPreferences;
@@ -446,31 +447,6 @@ public class CheckersRegistry implements Iterable<IChecker>, ICheckersRegistry {
 		return prof;
 	}
 
-	/**
-	 * Tests if a checker is enabled (needs to be run) or not. Checker is
-	 * enabled
-	 * if at least one problem it reports is enabled.
-	 *
-	 * @param checker
-	 * @param resource
-	 * @return <code>true</code> if the checker is enabled
-	 */
-	public boolean isCheckerEnabled(IChecker checker, IResource resource) {
-		IProblemProfile resourceProfile = getResourceProfile(resource);
-		Collection<IProblem> refProblems = getRefProblems(checker);
-		for (Iterator<IProblem> iterator = refProblems.iterator(); iterator.hasNext();) {
-			IProblem p = iterator.next();
-			// we need to check problem enablement in particular profile
-			IProblem problem = resourceProfile.findProblem(p.getId());
-			if (problem == null)
-				throw new IllegalArgumentException("Id is not registered"); //$NON-NLS-1$
-			if (problem.isEnabled())
-				return true;
-		}
-		// no problem is enabled for this checker, skip the checker
-		return false;
-	}
-
 	/**
 	 * Tests if a checker needs to run in a specific launch mode.
 	 *
@@ -483,29 +459,35 @@ public class CheckersRegistry implements Iterable<IChecker>, ICheckersRegistry {
 		if (resource.getType() != IResource.FILE) {
 			return false;
 		}
+
+		if (mode == CheckerLaunchMode.RUN_AS_YOU_TYPE && !Checkers.canCheckerRunAsYouType(checker)) {
+			return false;
+		}
 		for (ICheckerEnablementVerifier verifier : checkerEnablementVerifiers) {
 			if (!verifier.isCheckerEnabled(checker, resource, mode)) {
 				return false;
 			}
 		}
+
 		IProblemProfile resourceProfile = getResourceProfile(resource);
 		Collection<IProblem> refProblems = getRefProblems(checker);
-		boolean enabled = false;
 		for (Iterator<IProblem> iterator = refProblems.iterator(); iterator.hasNext();) {
 			IProblem p = iterator.next();
-			// we need to check problem enablement in particular profile
+			// We need to check problem enablement in a particular profile.
 			IProblem problem = resourceProfile.findProblem(p.getId());
 			if (problem == null)
-				throw new IllegalArgumentException("Id is not registered"); //$NON-NLS-1$
+				throw new IllegalArgumentException(p.getId() + "is not registered"); //$NON-NLS-1$
+			if (!problem.isEnabled())
+				return false;
 			if (checker instanceof AbstractCheckerWithProblemPreferences) {
-				LaunchModeProblemPreference pref = ((AbstractCheckerWithProblemPreferences) checker).getLaunchModePreference(problem);
+				LaunchModeProblemPreference pref =
+						((AbstractCheckerWithProblemPreferences) checker).getLaunchModePreference(problem);
 				if (pref.isRunningInMode(mode)) {
-					enabled = true;
+					return true;
-					break;
 				}
 			}
 		}
-		return enabled;
+		return false;
 	}
 
 	/**

codan/org.eclipse.cdt.codan.core/src/org/eclipse/cdt/codan/internal/core/CodanBuilder.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2009, 2011 Alena Laskavaia
+ * Copyright (c) 2009, 2012 Alena Laskavaia
  * 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
@@ -16,7 +16,6 @@ import java.util.Map;
 import org.eclipse.cdt.codan.core.CodanCorePlugin;
 import org.eclipse.cdt.codan.core.Messages;
 import org.eclipse.cdt.codan.core.model.CheckerLaunchMode;
-import org.eclipse.cdt.codan.core.model.Checkers;
 import org.eclipse.cdt.codan.core.model.IChecker;
 import org.eclipse.cdt.codan.core.model.ICheckerInvocationContext;
 import org.eclipse.cdt.codan.core.model.ICodanBuilder;
@@ -44,9 +43,6 @@ public class CodanBuilder extends IncrementalProjectBuilder implements ICodanBui
 	private class CodanDeltaVisitor implements IResourceDeltaVisitor {
 		private IProgressMonitor monitor;
 
-		/**
-		 * @param monitor
-		 */
 		public CodanDeltaVisitor(IProgressMonitor monitor) {
 			this.monitor = monitor;
 		}
@@ -56,28 +52,22 @@ public class CodanBuilder extends IncrementalProjectBuilder implements ICodanBui
 			IResource resource = delta.getResource();
 			switch (delta.getKind()) {
 				case IResourceDelta.ADDED:
-					// handle added resource
+					// Handle added resource
 					processResourceDelta(resource, monitor);
 					break;
 				case IResourceDelta.REMOVED:
-					// handle removed resource
+					// Handle removed resource
 					break;
 				case IResourceDelta.CHANGED:
-					// handle changed resource
+					// Handle changed resource
 					processResourceDelta(resource, monitor);
 					break;
 			}
-			// return true to continue visiting children.
+			// Return true to continue visiting children.
 			return true;
 		}
 	}
 
-	/*
-	 * (non-Javadoc)
-	 *
-	 * @see org.eclipse.core.internal.events.InternalBuilder#build(int,
-	 * java.util.Map, org.eclipse.core.runtime.IProgressMonitor)
-	 */
 	@SuppressWarnings("rawtypes")
 	@Override
 	protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
@@ -116,7 +106,8 @@ public class CodanBuilder extends IncrementalProjectBuilder implements ICodanBui
 		processResource(resource, monitor, CheckerLaunchMode.RUN_ON_INC_BUILD);
 	}
 
-	protected void processResource(IResource resource, IProgressMonitor monitor, Object model, CheckerLaunchMode checkerLaunchMode) {
+	protected void processResource(IResource resource, IProgressMonitor monitor, Object model,
+			CheckerLaunchMode checkerLaunchMode) {
 		CheckersRegistry chegistry = CheckersRegistry.getInstance();
 		int checkers = chegistry.getCheckersSize();
 		int memsize = 0;
@@ -139,13 +130,10 @@ public class CodanBuilder extends IncrementalProjectBuilder implements ICodanBui
 					try {
 						if (monitor.isCanceled())
 							return;
-						if (doesCheckerSupportLaunchMode(checker, checkerLaunchMode)
+						if (chegistry.isCheckerEnabled(checker, resource, checkerLaunchMode)) {
-								&& chegistry.isCheckerEnabled(checker, resource, checkerLaunchMode)) {
 							synchronized (checker) {
 								try {
 									checker.before(resource);
-									if (chegistry.isCheckerEnabled(checker, resource)) {
-										try {
 									CheckersTimeStats.getInstance().checkerStart(checker.getClass().getName());
 									if (checkerLaunchMode == CheckerLaunchMode.RUN_AS_YOU_TYPE) {
 										((IRunnableInEditorChecker) checker).processModel(model, context);
@@ -154,9 +142,6 @@ public class CodanBuilder extends IncrementalProjectBuilder implements ICodanBui
 									}
 								} finally {
 									CheckersTimeStats.getInstance().checkerStop(checker.getClass().getName());
-										}
-									}
-								} finally {
 									checker.after(resource);
 								}
 							}
@@ -192,18 +177,12 @@ public class CodanBuilder extends IncrementalProjectBuilder implements ICodanBui
 		}
 	}
 
-	private boolean doesCheckerSupportLaunchMode(IChecker checker, CheckerLaunchMode mode) {
-		if (mode == CheckerLaunchMode.RUN_AS_YOU_TYPE)
-			return Checkers.canCheckerRunAsYouType(checker);
-		return true;
-	}
-
 	protected void fullBuild(final IProgressMonitor monitor) throws CoreException {
 		processResource(getProject(), monitor);
 	}
 
 	protected void incrementalBuild(IResourceDelta delta, IProgressMonitor monitor) throws CoreException {
-		// the visitor does the work.
+		// The visitor does the work.
 		delta.accept(new CodanDeltaVisitor(monitor));
 	}