debug option to track build events

build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/MakeBuilder.java

@@ -73,6 +73,9 @@ public class MakeBuilder extends ACBuilder {
 	 */
 	@Override
 	protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(kind, args);
+
 		boolean bPerformBuild = true;
 		IMakeBuilderInfo info = MakeCorePlugin.createBuildInfo(args, MakeBuilder.BUILDER_ID);
 		if (!shouldBuild(kind, info)) {
@@ -102,6 +105,9 @@ public class MakeBuilder extends ACBuilder {
 
 	@Override
 	protected void clean(IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(IncrementalProjectBuilder.CLEAN_BUILD, null);
+
 		final IMakeBuilderInfo info = MakeCorePlugin.createBuildInfo(getProject(), BUILDER_ID);
 		if (shouldBuild(CLEAN_BUILD, info)) {
 			IResourceRuleFactory ruleFactory= ResourcesPlugin.getWorkspace().getRuleFactory();

build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/scannerconfig/ScannerConfigBuilder.java

@@ -47,6 +47,9 @@ public class ScannerConfigBuilder extends ACBuilder {
 	 * @see IncrementalProjectBuilder#build
 	 */
 	protected IProject [] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(kind, args);
+
 		// If auto discovery is disabled, do nothing
 //		boolean autodiscoveryEnabled;
 		if(buildNewStyle(getProject(), monitor))

build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/makefile/gnu/GNUMakefileChecker.java

@@ -64,6 +64,9 @@ public class GNUMakefileChecker extends ACBuilder {
 	 * @see IncrementalProjectBuilder#build
 	 */
 	protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(kind, args);
+
 		IResourceDelta delta = null;
 
 		// For non-full-build fetch the deltas

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/build/core/scannerconfig/ScannerConfigBuilder.java

@@ -72,6 +72,9 @@ public class ScannerConfigBuilder extends ACBuilder {
 	 */
 	@Override
 	protected IProject [] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(kind, args);
+
 		// If auto discovery is disabled, do nothing
 //		boolean autodiscoveryEnabled;
 //		boolean autodiscoveryEnabled2;

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/CommonBuilder.java

@@ -469,6 +469,9 @@ public class CommonBuilder extends ACBuilder {
 	 */
 	@Override
 	protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(kind, args);
+
 		fBuildSet.start(this);
 
 		IProject project = getProject();
@@ -1485,6 +1488,9 @@ public class CommonBuilder extends ACBuilder {
 
 	@Override
 	protected void clean(IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(IncrementalProjectBuilder.CLEAN_BUILD, null);
+
 		IProject curProject = getProject();
 
 		if(!isCdtProjectCreated(curProject))

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/GeneratedMakefileBuilder.java

@@ -56,6 +56,7 @@ import org.eclipse.core.resources.IResourceDelta;
 import org.eclipse.core.resources.IResourceDeltaVisitor;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.IncrementalProjectBuilder;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
@@ -403,6 +404,9 @@ public class GeneratedMakefileBuilder extends ACBuilder {
 	 */
 	@Override
 	protected IProject[] build(int kind, Map args, IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(kind, args);
+
 		// We should always tell the build system what projects we reference
 		referencedProjects = getProject().getReferencedProjects();
 
@@ -582,6 +586,9 @@ public class GeneratedMakefileBuilder extends ACBuilder {
 	 */
 	@Override
 	protected void clean(IProgressMonitor monitor) throws CoreException {
+		if (DEBUG_EVENTS)
+			printEvent(IncrementalProjectBuilder.CLEAN_BUILD, null);
+
 		referencedProjects = getProject().getReferencedProjects();
 		outputTrace(getProject().getName(), "Clean build requested");	//$NON-NLS-1$
 		IManagedBuildInfo info = getBuildInfo();

core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/resources/ACBuilder.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2009 QNX Software Systems and others.
+ * Copyright (c) 2000, 2010 QNX Software Systems and others.
  * 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
@@ -12,14 +12,21 @@
 package org.eclipse.cdt.core.resources;
 
 
+import java.util.Map;
+
 import org.eclipse.cdt.core.CCorePlugin;
 import org.eclipse.cdt.core.IMarkerGenerator;
 import org.eclipse.cdt.core.ProblemMarkerInfo;
+import org.eclipse.cdt.core.model.CoreModel;
 import org.eclipse.cdt.core.model.ICModelMarker;
+import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
+import org.eclipse.cdt.core.settings.model.ICProjectDescription;
 import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IncrementalProjectBuilder;
 import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.Preferences;
 import org.eclipse.osgi.util.NLS;
 
@@ -29,6 +36,9 @@ public abstract class ACBuilder extends IncrementalProjectBuilder implements IMa
 	private static final String PREF_BUILD_CONFIGS_RESOURCE_CHANGES = "build.proj.ref.configs.enabled"; //$NON-NLS-1$
 	private static final Preferences prefs = CCorePlugin.getDefault().getPluginPreferences();
 
+	private static final String CONTENTS_CONFIGURATION_IDS = "org.eclipse.cdt.make.core.configurationIds"; //$NON-NLS-1$
+	/** @since 5.2 */ // set to true to print build events on the console in debug mode
+	protected static final boolean DEBUG_EVENTS = false;
 	/**
 	 * Constructor for ACBuilder
 	 */
@@ -139,4 +149,67 @@ public abstract class ACBuilder extends IncrementalProjectBuilder implements IMa
 		prefs.setValue(PREF_BUILD_CONFIGS_RESOURCE_CHANGES, enable);		
 	}
 	
+	@SuppressWarnings("nls")
+	private static String kindToString(int kind) {
+		return (kind==IncrementalProjectBuilder.AUTO_BUILD ? "AUTO_BUILD"
+				: kind==IncrementalProjectBuilder.CLEAN_BUILD ? "CLEAN_BUILD"
+				: kind==IncrementalProjectBuilder.FULL_BUILD ? "FULL_BUILD"
+				: kind==IncrementalProjectBuilder.INCREMENTAL_BUILD ? "INCREMENTAL_BUILD"
+				: "[unknown kind]")+"="+kind;
+	}
+	
+	@SuppressWarnings("nls")
+	private String cfgIdToNames(String strIds) {
+		IProject project = getProject();
+		ICProjectDescription prjDesc = CoreModel.getDefault().getProjectDescription(project);
+		if (prjDesc==null)
+			return strIds;
+		
+		if (strIds==null)
+			return "Active=" + prjDesc.getActiveConfiguration().getName();
+		
+		String[] ids = strIds.split("\\|");
+		String names="";
+		for (String id : ids) {
+			ICConfigurationDescription cfgDesc = prjDesc.getConfigurationById(id);
+			String name;
+			if (cfgDesc!=null)
+				name = cfgDesc.getName();
+			else
+				name = id;
+			
+			if (names.length()>0)
+				names=names+",";
+			names = names + name;
+		}
+		if (names.equals(""))
+			return strIds;
+		return names;
+	}
+
+	/**
+	 * For debugging purpose only. Prints events on the debug console.
+	 * 
+	 * @since 5.2
+	 */
+	@SuppressWarnings("nls")
+	protected void printEvent(int kind, Map<String, String> args) {
+		if (DEBUG_EVENTS) {
+			System.out.println("t"+Thread.currentThread().getId()+": "
+					+ kindToString(kind)
+					+ ", " +  getProject()
+					+ (args!=null ? "[" + cfgIdToNames(args.get(CONTENTS_CONFIGURATION_IDS)) +"]" : "")
+					+ ", " + this.getClass().getSimpleName()
+				);
+		}
+	}
+	
+	@Override
+	// This method is overridden with no purpose but to track events in debug mode
+	protected void clean(IProgressMonitor monitor) throws CoreException {
+		super.clean(monitor);
+		if (DEBUG_EVENTS)
+			printEvent(IncrementalProjectBuilder.CLEAN_BUILD, null);
+	}
+
 }