Attachment 155983 Details for Bug 236385 – Updated patch

[patch] Updated patch

patch_236385.txt (text/plain), 30.35 KB, created by Olivier Thomann

on 2010-01-13 10:14:17 EST

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Creator: Olivier Thomann

Created: 2010-01-13 10:14:17 EST

Size: 30.35 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.jdt.core
>Index: batch/org/eclipse/jdt/internal/compiler/batch/Main.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/Main.java,v
>retrieving revision 1.348
>diff -u -r1.348 Main.java
>--- batch/org/eclipse/jdt/internal/compiler/batch/Main.java	4 Jan 2010 19:19:59 -0000	1.348
>+++ batch/org/eclipse/jdt/internal/compiler/batch/Main.java	13 Jan 2010 15:13:18 -0000
>@@ -10,6 +10,7 @@
>  *     Tom Tromey - Contribution for bug 125961
>  *     Tom Tromey - Contribution for bug 159641
>  *     Benjamin Muskalla - Contribution for bug 239066
>+ *     Stephan Herrmann  - Contribution for bug 236385
>  *******************************************************************************/
> package org.eclipse.jdt.internal.compiler.batch;
> 
>@@ -3450,6 +3451,9 @@
> 			} else if (token.equals("unusedImport") || token.equals("unusedImports")/*backward compatible*/) { //$NON-NLS-1$ //$NON-NLS-2$
> 				setSeverity(CompilerOptions.OPTION_ReportUnusedImport, severity, isEnabling);
> 				return;
>+			} else if (token.equals("unusedAllocation")) { //$NON-NLS-1$
>+				setSeverity(CompilerOptions.OPTION_ReportUnusedObjectAllocation, severity, isEnabling);
>+				return;
> 			} else if (token.equals("unusedPrivate")) { //$NON-NLS-1$
> 				setSeverity(CompilerOptions.OPTION_ReportUnusedPrivateMember, severity, isEnabling);
> 				return;
>Index: batch/org/eclipse/jdt/internal/compiler/batch/messages.properties
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/batch/org/eclipse/jdt/internal/compiler/batch/messages.properties,v
>retrieving revision 1.874
>diff -u -r1.874 messages.properties
>--- batch/org/eclipse/jdt/internal/compiler/batch/messages.properties	7 Jan 2010 20:18:49 -0000	1.874
>+++ batch/org/eclipse/jdt/internal/compiler/batch/messages.properties	13 Jan 2010 15:13:18 -0000
>@@ -15,7 +15,7 @@
> #Format: compiler.name = word1 word2 word3
> compiler.name = Eclipse Compiler for Java(TM)
> #Format: compiler.version = 0.XXX[, other words (don't forget the comma if adding other words)]
>-compiler.version = 0.A30, 3.6.0 M5
>+compiler.version = 0.A31, 3.6.0 M5
> compiler.copyright = Copyright IBM Corp 2000, 2010. All rights reserved.
> 
> ### progress
>@@ -305,9 +305,10 @@
> \      unchecked          + unchecked type operation\n\
> \      unnecessaryElse      unnecessary else clause\n\
> \      unqualifiedField     unqualified reference to field\n\
>-\      unused               macro for unusedArgument, unusedImport, unusedLabel,\n\
>-\                               unusedLocal, unusedPrivate, unusedThrown,\n\
>-\                               and unusedTypeArgs\n\
>+\      unused               macro for unusedAllocation, unusedArgument,\n\
>+\                               unusedImport, unusedLabel, unusedLocal,\n\
>+\                               unusedPrivate, unusedThrown, and unusedTypeArgs\n\
>+\      unusedAllocation     allocating an object that is not used\n\
> \      unusedArgument       unread method parameter\n\
> \      unusedImport       + unused import declaration\n\
> \      unusedLabel        + unused label\n\
>Index: compiler/org/eclipse/jdt/core/compiler/IProblem.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/core/compiler/IProblem.java,v
>retrieving revision 1.220
>diff -u -r1.220 IProblem.java
>--- compiler/org/eclipse/jdt/core/compiler/IProblem.java	11 Nov 2009 19:28:04 -0000	1.220
>+++ compiler/org/eclipse/jdt/core/compiler/IProblem.java	13 Jan 2010 15:13:18 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2009 IBM Corporation and others.
>+ * Copyright (c) 2000, 2010 IBM Corporation 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
>@@ -115,7 +115,8 @@
>  *								   RedundantSuperinterface
>  *		Benjamin Muskalla - added the following constants
>  *									MissingSynchronizedModifierInInheritedMethod
>- *									
>+ *		Stephan Herrmann  - added the following constants
>+ *									UnusedObjectAllocation									
>  *******************************************************************************/
> package org.eclipse.jdt.core.compiler;
> 
>@@ -428,6 +429,8 @@
> 	int UnhandledExceptionInImplicitConstructorCall = TypeRelated + 147;
> 
> 	// expressions
>+	/** @since 3.6 */
>+	int UnusedObjectAllocation = Internal + 148;
> 	/** @since 3.5 */
> 	int DeadCode = Internal + 149;
> 	int ArrayReferenceRequired = Internal + 150;
>Index: compiler/org/eclipse/jdt/internal/compiler/ast/AllocationExpression.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/ast/AllocationExpression.java,v
>retrieving revision 1.82
>diff -u -r1.82 AllocationExpression.java
>--- compiler/org/eclipse/jdt/internal/compiler/ast/AllocationExpression.java	25 Nov 2009 04:56:02 -0000	1.82
>+++ compiler/org/eclipse/jdt/internal/compiler/ast/AllocationExpression.java	13 Jan 2010 15:13:18 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2009 IBM Corporation and others.
>+ * Copyright (c) 2000, 2010 IBM Corporation 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
>@@ -7,6 +7,7 @@
>  *
>  * Contributors:
>  *     IBM Corporation - initial API and implementation
>+ *     Stephan Herrmann - Contribution for bug 236385
>  *******************************************************************************/
> package org.eclipse.jdt.internal.compiler.ast;
> 
>@@ -82,8 +83,11 @@
> }
> 
> public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
>+	if (!valueRequired)
>+		currentScope.problemReporter().unusedObjectAllocation(this);
>+
> 	int pc = codeStream.position;
>-	 MethodBinding codegenBinding = this.binding.original();
>+	MethodBinding codegenBinding = this.binding.original();
> 	ReferenceBinding allocatedType = codegenBinding.declaringClass;
> 
> 	codeStream.new_(allocatedType);
>Index: compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java,v
>retrieving revision 1.228
>diff -u -r1.228 CompilerOptions.java
>--- compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java	12 Jan 2010 17:51:47 -0000	1.228
>+++ compiler/org/eclipse/jdt/internal/compiler/impl/CompilerOptions.java	13 Jan 2010 15:13:18 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *     IBM Corporation - initial API and implementation
>  *     Benjamin Muskalla - Contribution for bug 239066
>+ *     Stephan Herrmann  - Contribution for bug 236385
>  *******************************************************************************/
> package org.eclipse.jdt.internal.compiler.impl;
> 
>@@ -127,6 +128,7 @@
> 	public static final String OPTION_ReportDeadCode =  "org.eclipse.jdt.core.compiler.problem.deadCode"; //$NON-NLS-1$
> 	public static final String OPTION_ReportDeadCodeInTrivialIfStatement =  "org.eclipse.jdt.core.compiler.problem.deadCodeInTrivialIfStatement"; //$NON-NLS-1$
> 	public static final String OPTION_ReportTasks = "org.eclipse.jdt.core.compiler.problem.tasks"; //$NON-NLS-1$
>+	public static final String OPTION_ReportUnusedObjectAllocation = "org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation";  //$NON-NLS-1$
> 
> 	// Backward compatibility
> 	public static final String OPTION_ReportInvalidAnnotation = "org.eclipse.jdt.core.compiler.problem.invalidAnnotation"; //$NON-NLS-1$
>@@ -232,6 +234,7 @@
> 	public static final int ShouldImplementHashcode = IrritantSet.GROUP2 | ASTNode.Bit1;
> 	public static final int DeadCode = IrritantSet.GROUP2 | ASTNode.Bit2;
> 	public static final int Tasks = IrritantSet.GROUP2 | ASTNode.Bit3;
>+	public static final int UnusedObjectAllocation = IrritantSet.GROUP2 | ASTNode.Bit4;
> 
> 	// Severity level for handlers
> 	/** 
>@@ -515,6 +518,8 @@
> 				return OPTION_ReportMissingHashCodeMethod;
> 			case DeadCode :
> 				return OPTION_ReportDeadCode;
>+			case UnusedObjectAllocation:
>+				return OPTION_ReportUnusedObjectAllocation;
> 		}
> 		return null;
> 	}
>@@ -641,6 +646,7 @@
> 			OPTION_ReportUnusedDeclaredThrownException,
> 			OPTION_ReportUnusedImport,
> 			OPTION_ReportUnusedLocal,
>+			OPTION_ReportUnusedObjectAllocation,
> 			OPTION_ReportUnusedParameter,
> 			OPTION_ReportUnusedPrivateMember,
> 			OPTION_ReportVarargsArgumentNeedCast,
>@@ -701,6 +707,7 @@
> 			case UnusedPrivateMember :
> 			case UnusedDeclaredThrownException :
> 			case DeadCode :
>+			case UnusedObjectAllocation :
> 				return "unused"; //$NON-NLS-1$
> 			case DiscouragedReference :
> 			case ForbiddenReference :
>@@ -891,6 +898,7 @@
> 		optionsMap.put(OPTION_ReportDeadCode, getSeverityString(DeadCode));
> 		optionsMap.put(OPTION_ReportDeadCodeInTrivialIfStatement, this.reportDeadCodeInTrivialIfStatement ? ENABLED : DISABLED);
> 		optionsMap.put(OPTION_ReportTasks, getSeverityString(Tasks));
>+		optionsMap.put(OPTION_ReportUnusedObjectAllocation, getSeverityString(UnusedObjectAllocation));
> 		return optionsMap;
> 	}
> 
>@@ -1287,6 +1295,7 @@
> 		if ((optionValue = optionsMap.get(OPTION_ReportMissingHashCodeMethod)) != null) updateSeverity(ShouldImplementHashcode, optionValue);
> 		if ((optionValue = optionsMap.get(OPTION_ReportDeadCode)) != null) updateSeverity(DeadCode, optionValue);
> 		if ((optionValue = optionsMap.get(OPTION_ReportTasks)) != null) updateSeverity(Tasks, optionValue);
>+		if ((optionValue = optionsMap.get(OPTION_ReportUnusedObjectAllocation)) != null) updateSeverity(UnusedObjectAllocation, optionValue);
> 
> 		// Javadoc options
> 		if ((optionValue = optionsMap.get(OPTION_DocCommentSupport)) != null) {
>@@ -1488,6 +1497,7 @@
> 		buf.append("\n\t- dead code: ").append(getSeverityString(DeadCode)); //$NON-NLS-1$
> 		buf.append("\n\t- dead code in trivial if statement: ").append(this.reportDeadCodeInTrivialIfStatement ? ENABLED : DISABLED); //$NON-NLS-1$
> 		buf.append("\n\t- tasks severity: ").append(getSeverityString(Tasks)); //$NON-NLS-1$
>+		buf.append("\n\t- unused object allocation: ").append(getSeverityString(UnusedObjectAllocation)); //$NON-NLS-1$
> 		return buf.toString();
> 	}
> 	
>Index: compiler/org/eclipse/jdt/internal/compiler/impl/IrritantSet.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/impl/IrritantSet.java,v
>retrieving revision 1.8
>diff -u -r1.8 IrritantSet.java
>--- compiler/org/eclipse/jdt/internal/compiler/impl/IrritantSet.java	6 Oct 2009 19:24:18 -0000	1.8
>+++ compiler/org/eclipse/jdt/internal/compiler/impl/IrritantSet.java	13 Jan 2010 15:13:18 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2008 IBM Corporation and others.
>+ * Copyright (c) 2000, 2010 IBM Corporation 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
>@@ -117,7 +117,8 @@
> 			.set(CompilerOptions.UnusedImport)
> 			.set(CompilerOptions.UnusedTypeArguments)
> 			.set(CompilerOptions.RedundantSuperinterface)
>-			.set(CompilerOptions.DeadCode);
>+			.set(CompilerOptions.DeadCode)
>+			.set(CompilerOptions.UnusedObjectAllocation);
> 		String suppressRawWhenUnchecked = System.getProperty("suppressRawWhenUnchecked"); //$NON-NLS-1$
> 		if (suppressRawWhenUnchecked != null && "true".equalsIgnoreCase(suppressRawWhenUnchecked)) { //$NON-NLS-1$
> 			UNCHECKED.set(CompilerOptions.RawTypeReference);
>Index: compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java,v
>retrieving revision 1.402
>diff -u -r1.402 ProblemReporter.java
>--- compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java	23 Nov 2009 16:45:35 -0000	1.402
>+++ compiler/org/eclipse/jdt/internal/compiler/problem/ProblemReporter.java	13 Jan 2010 15:13:18 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2009 IBM Corporation and others.
>+ * Copyright (c) 2000, 2010 IBM Corporation 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
>@@ -414,6 +414,9 @@
> 			
> 		case IProblem.Task :
> 			return CompilerOptions.Tasks;
>+
>+		case IProblem.UnusedObjectAllocation:
>+			return CompilerOptions.UnusedObjectAllocation;
> 	}
> 	return 0;
> }
>@@ -484,6 +487,7 @@
> 			case CompilerOptions.UnusedWarningToken :
> 			case CompilerOptions.UnusedLabel :
> 			case CompilerOptions.RedundantSuperinterface :	
>+			case CompilerOptions.UnusedObjectAllocation :
> 				return CategorizedProblem.CAT_UNNECESSARY_CODE;
> 
> 			case CompilerOptions.UsingDeprecatedAPI :
>@@ -7124,6 +7128,14 @@
> 		localDecl.sourceStart,
> 		localDecl.sourceEnd);
> }
>+public void unusedObjectAllocation(AllocationExpression allocationExpression) {
>+	this.handle(
>+		IProblem.UnusedObjectAllocation, 
>+		NoArgument, 
>+		NoArgument, 
>+		allocationExpression.sourceStart, 
>+		allocationExpression.sourceEnd);
>+}
> public void unusedPrivateConstructor(ConstructorDeclaration constructorDecl) {
> 
> 	int severity = computeSeverity(IProblem.UnusedPrivateConstructor);
>Index: compiler/org/eclipse/jdt/internal/compiler/problem/messages.properties
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/compiler/org/eclipse/jdt/internal/compiler/problem/messages.properties,v
>retrieving revision 1.255
>diff -u -r1.255 messages.properties
>--- compiler/org/eclipse/jdt/internal/compiler/problem/messages.properties	11 Nov 2009 19:28:04 -0000	1.255
>+++ compiler/org/eclipse/jdt/internal/compiler/problem/messages.properties	13 Jan 2010 15:13:19 -0000
>@@ -1,5 +1,5 @@
> ###############################################################################
>-# Copyright (c) 2000, 2009 IBM Corporation and others.
>+# Copyright (c) 2000, 2010 IBM Corporation 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
>@@ -123,6 +123,8 @@
> 146 = Default constructor cannot handle exception type {0} thrown by implicit super constructor. Must define an explicit constructor
> 147 = Unhandled exception type {0} thrown by implicit super constructor
> 
>+
>+148 = The allocated object is never used
> 149 = Dead code
> 150 = The type of the expression must be an array type but it resolved to {0}
> 151 = Must explicitly convert the char[] to a String
>Index: formatter/org/eclipse/jdt/internal/formatter/DefaultCodeFormatter.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/formatter/org/eclipse/jdt/internal/formatter/DefaultCodeFormatter.java,v
>retrieving revision 1.78
>diff -u -r1.78 DefaultCodeFormatter.java
>--- formatter/org/eclipse/jdt/internal/formatter/DefaultCodeFormatter.java	28 Oct 2009 09:57:10 -0000	1.78
>+++ formatter/org/eclipse/jdt/internal/formatter/DefaultCodeFormatter.java	13 Jan 2010 15:13:19 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2000, 2008 IBM Corporation and others.
>+ * Copyright (c) 2000, 2010 IBM Corporation 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
>@@ -387,6 +387,7 @@
> 			optionsMap.put(CompilerOptions.OPTION_ReportDeprecationWhenOverridingDeprecatedMethod, CompilerOptions.DISABLED);
> 			optionsMap.put(CompilerOptions.OPTION_ReportHiddenCatchBlock, CompilerOptions.IGNORE);
> 			optionsMap.put(CompilerOptions.OPTION_ReportUnusedLocal, CompilerOptions.IGNORE);
>+			optionsMap.put(CompilerOptions.OPTION_ReportUnusedObjectAllocation, CompilerOptions.IGNORE);
> 			optionsMap.put(CompilerOptions.OPTION_ReportUnusedParameter, CompilerOptions.IGNORE);
> 			optionsMap.put(CompilerOptions.OPTION_ReportUnusedImport, CompilerOptions.IGNORE);
> 			optionsMap.put(CompilerOptions.OPTION_ReportSyntheticAccessEmulation, CompilerOptions.IGNORE);
>Index: model/org/eclipse/jdt/core/JavaCore.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/core/JavaCore.java,v
>retrieving revision 1.646
>diff -u -r1.646 JavaCore.java
>--- model/org/eclipse/jdt/core/JavaCore.java	7 Jan 2010 14:39:42 -0000	1.646
>+++ model/org/eclipse/jdt/core/JavaCore.java	13 Jan 2010 15:13:19 -0000
>@@ -81,7 +81,9 @@
>  *                                 COMPILER_PB_UNUSED_DECLARED_THROWN_EXCEPTION_EXEMPT_EXCEPTION_AND_THROWABLE
>  *     IBM Corporation - added getOptionForConfigurableSeverity(int)
>  *     Benjamin Muskalla - added COMPILER_PB_MISSING_SYNCHRONIZED_ON_INHERITED_METHOD
>+ *     Stephan Herrmann  - added COMPILER_PB_UNUSED_OBJECT_ALLOCATION
>  *******************************************************************************/
>+
> package org.eclipse.jdt.core;
> 
> import java.util.ArrayList;
>@@ -1542,6 +1544,19 @@
> 	 */
> 	public static final String COMPILER_PB_MISSING_SYNCHRONIZED_ON_INHERITED_METHOD = PLUGIN_ID + ".compiler.problem.missingSynchronizedOnInheritedMethod"; //$NON-NLS-1$
> 	/**
>+	 * Compiler option ID: Reporting Allocation of an Unused Object.
>+	 * <p>When enabled, the compiler will issue an error or a warning if an object is allocated but never used,
>+	 * neither by holding a reference nor by invoking one of the object's methods.
>+	 * <dl>
>+	 * <dt>Option id:</dt><dd><code>"org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation"</code></dd>
>+	 * <dt>Possible values:</dt><dd><code>{ "error", "warning", "ignore" }</code></dd>
>+	 * <dt>Default:</dt><dd><code>"ignore"</code></dd>
>+	 * </dl>
>+	 * @since 3.6
>+	 * @category CompilerOptionID
>+	 */
>+	public static final String COMPILER_PB_UNUSED_OBJECT_ALLOCATION = PLUGIN_ID + ".compiler.problem.unusedObjectAllocation";  //$NON-NLS-1$
>+	/**
> 	 * Core option ID: Computing Project Build Order.
> 	 * <p>Indicate whether JavaCore should enforce the project build order to be based on
> 	 *    the classpath prerequisite chain. When requesting to compute, this takes over
>#P org.eclipse.jdt.core.tests.compiler
>Index: src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java,v
>retrieving revision 1.201
>diff -u -r1.201 BatchCompilerTest.java
>--- src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java	4 Jan 2010 19:28:16 -0000	1.201
>+++ src/org/eclipse/jdt/core/tests/compiler/regression/BatchCompilerTest.java	13 Jan 2010 15:13:23 -0000
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *     IBM Corporation - initial API and implementation
>  *     Benjamin Muskalla - Contribution for bug 239066
>+ *     Stephan Herrmann  - Contribution for bug 236385
>  *******************************************************************************/
> package org.eclipse.jdt.core.tests.compiler.regression;
> 
>@@ -1703,9 +1704,10 @@
>         "      unchecked          + unchecked type operation\n" +
>         "      unnecessaryElse      unnecessary else clause\n" +
>         "      unqualifiedField     unqualified reference to field\n" +
>-        "      unused               macro for unusedArgument, unusedImport, unusedLabel,\n" +
>-        "                               unusedLocal, unusedPrivate, unusedThrown,\n" +
>-        "                               and unusedTypeArgs\n" +
>+        "      unused               macro for unusedAllocation, unusedArgument,\n" +
>+        "                               unusedImport, unusedLabel, unusedLocal,\n" +
>+        "                               unusedPrivate, unusedThrown, and unusedTypeArgs\n" +
>+        "      unusedAllocation     allocating an object that is not used\n" +
>         "      unusedArgument       unread method parameter\n" +
>         "      unusedImport       + unused import declaration\n" +
>         "      unusedLabel        + unused label\n" +
>@@ -1858,6 +1860,7 @@
> 			"		<option key=\"org.eclipse.jdt.core.compiler.problem.unusedImport\" value=\"warning\"/>\n" +
> 			"		<option key=\"org.eclipse.jdt.core.compiler.problem.unusedLabel\" value=\"warning\"/>\n" +
> 			"		<option key=\"org.eclipse.jdt.core.compiler.problem.unusedLocal\" value=\"warning\"/>\n" +
>+			"		<option key=\"org.eclipse.jdt.core.compiler.problem.unusedObjectAllocation\" value=\"ignore\"/>\n" +
> 			"		<option key=\"org.eclipse.jdt.core.compiler.problem.unusedParameter\" value=\"ignore\"/>\n" +
> 			"		<option key=\"org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference\" value=\"enabled\"/>\n" +
> 			"		<option key=\"org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract\" value=\"disabled\"/>\n" +
>Index: src/org/eclipse/jdt/core/tests/compiler/regression/CompilerInvocationTests.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/CompilerInvocationTests.java,v
>retrieving revision 1.33
>diff -u -r1.33 CompilerInvocationTests.java
>--- src/org/eclipse/jdt/core/tests/compiler/regression/CompilerInvocationTests.java	12 Nov 2009 17:37:03 -0000	1.33
>+++ src/org/eclipse/jdt/core/tests/compiler/regression/CompilerInvocationTests.java	13 Jan 2010 15:13:23 -0000
>@@ -1,5 +1,5 @@
> /*******************************************************************************
>- * Copyright (c) 2006, 2009 IBM Corporation and others.
>+ * Copyright (c) 2006, 2010 IBM Corporation 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
>@@ -8,6 +8,7 @@
>  * Contributors:
>  *     IBM Corporation - initial API and implementation
>  *     Benjamin Muskalla - Contribution for bug 239066
>+ *     Stephan Herrmann  - Contribution for bug 236385
>  *******************************************************************************/
> package org.eclipse.jdt.core.tests.compiler.regression;
> 
>@@ -843,6 +844,7 @@
> 		expectedProblemAttributes.put("UnusedImport", new ProblemAttributes(CategorizedProblem.CAT_UNNECESSARY_CODE));
> 		expectedProblemAttributes.put("UnusedLabel", new ProblemAttributes(CategorizedProblem.CAT_UNNECESSARY_CODE));
> 		expectedProblemAttributes.put("UnusedMethodDeclaredThrownException", new ProblemAttributes(CategorizedProblem.CAT_UNNECESSARY_CODE));
>+		expectedProblemAttributes.put("UnusedObjectAllocation", new ProblemAttributes(CategorizedProblem.CAT_UNNECESSARY_CODE));
> 		expectedProblemAttributes.put("UnusedPrivateConstructor", new ProblemAttributes(CategorizedProblem.CAT_UNNECESSARY_CODE));
> 		expectedProblemAttributes.put("UnusedPrivateField", new ProblemAttributes(CategorizedProblem.CAT_UNNECESSARY_CODE));
> 		expectedProblemAttributes.put("UnusedPrivateMethod", new ProblemAttributes(CategorizedProblem.CAT_UNNECESSARY_CODE));
>@@ -1475,6 +1477,7 @@
> 		expectedProblemAttributes.put("UnusedImport", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_IMPORT));
> 		expectedProblemAttributes.put("UnusedLabel", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_LABEL));
> 		expectedProblemAttributes.put("UnusedMethodDeclaredThrownException", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_DECLARED_THROWN_EXCEPTION_WHEN_OVERRIDING));
>+		expectedProblemAttributes.put("UnusedObjectAllocation", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_OBJECT_ALLOCATION));
> 		expectedProblemAttributes.put("UnusedPrivateConstructor", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER));
> 		expectedProblemAttributes.put("UnusedPrivateField", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER));
> 		expectedProblemAttributes.put("UnusedPrivateMethod", new ProblemAttributes(JavaCore.COMPILER_PB_UNUSED_PRIVATE_MEMBER));
>Index: src/org/eclipse/jdt/core/tests/compiler/regression/FlowAnalysisTest.java
>===================================================================
>RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.compiler/src/org/eclipse/jdt/core/tests/compiler/regression/FlowAnalysisTest.java,v
>retrieving revision 1.42
>diff -u -r1.42 FlowAnalysisTest.java
>--- src/org/eclipse/jdt/core/tests/compiler/regression/FlowAnalysisTest.java	4 Jan 2010 19:28:16 -0000	1.42
>+++ src/org/eclipse/jdt/core/tests/compiler/regression/FlowAnalysisTest.java	13 Jan 2010 15:13:23 -0000
>@@ -7,6 +7,7 @@
>  *
>  * Contributors:
>  *     IBM Corporation - initial API and implementation
>+ *     Stephan Herrmann - Contribution for bug 236385
>  *******************************************************************************/
> package org.eclipse.jdt.core.tests.compiler.regression;
> 
>@@ -2016,6 +2017,150 @@
> 		"Unreachable code\n" + 
> 		"----------\n");
> }
>+
>+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236385
>+public void test063() {
>+	Map compilerOptions = getCompilerOptions();
>+	compilerOptions.put(CompilerOptions.OPTION_ReportUnusedObjectAllocation, CompilerOptions.ERROR);
>+	runNegativeTest(
>+		new String[] {
>+			"X.java",
>+			"public class X {\n" +
>+			"   boolean bar() { return false; } \n" +
>+			"	public void foo() {" +
>+			"		if (bar())\n" +
>+			"			new IllegalArgumentException(\"You must not bar!\");\n" +
>+			"	}\n" +
>+			"}",
>+		},
>+		"----------\n" + 
>+		"1. ERROR in X.java (at line 4)\n" + 
>+		"	new IllegalArgumentException(\"You must not bar!\");\n" + 
>+		"	^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + 
>+		"The allocated object is never used\n" + 
>+		"----------\n",
>+		null /* classLibraries */,
>+		true /* shouldFlushOutputDirectory */,
>+		compilerOptions);
>+}
>+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236385
>+// non-throwable type
>+public void test064() {
>+	Map compilerOptions = getCompilerOptions();
>+	compilerOptions.put(CompilerOptions.OPTION_ReportUnusedObjectAllocation, CompilerOptions.ERROR);
>+	runNegativeTest(
>+		new String[] {
>+			"X.java",
>+			"public class X {\n" +
>+			"   boolean bar() { return false; } \n" +
>+			"	public void foo() {" +
>+			"		if (bar())\n" +
>+			"			new String(\"You must not bar!\");\n" +
>+			"	}\n" +
>+			"}",
>+		},
>+		"----------\n" + 
>+		"1. ERROR in X.java (at line 4)\n" + 
>+		"	new String(\"You must not bar!\");\n" + 
>+		"	^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n" + 
>+		"The allocated object is never used\n" + 
>+		"----------\n",
>+		null /* classLibraries */,
>+		true /* shouldFlushOutputDirectory */,
>+		compilerOptions);
>+}
>+
>+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236385
>+// warning suppressed
>+public void test065() {
>+	if (this.complianceLevel < ClassFileConstants.JDK1_5) return;
>+	Map compilerOptions = getCompilerOptions();
>+	compilerOptions.put(CompilerOptions.OPTION_ReportUnusedObjectAllocation, CompilerOptions.WARNING);
>+	runConformTest(
>+		new String[] {
>+			"X.java",
>+			"public class X {\n" +
>+			"   boolean bar() { return false; }\n" +
>+			"   @SuppressWarnings(\"unused\")\n" +
>+			"	public void foo() {" +
>+			"		if (bar())\n" +
>+			"			new IllegalArgumentException(\"You must not bar!\");\n" +
>+			"	}\n" +
>+			"}",
>+		},
>+		"" /* expectedOutputString */,
>+		null /* classLib */,
>+		true /* shouldFlushOutputDirectory */, 
>+		null /* vmArguments */, 
>+		compilerOptions /* customOptions */,
>+		null /* clientRequestor */);
>+}
>+
>+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236385
>+// warning ignored (default)
>+public void test066() {
>+	runConformTest(
>+		new String[] {
>+			"X.java",
>+			"public class X {\n" +
>+			"   boolean bar() { return false; }\n" +
>+			"	public void foo() {" +
>+			"		if (bar())\n" +
>+			"			new IllegalArgumentException(\"You must not bar!\");\n" +
>+			"	}\n" +
>+			"}",
>+		},
>+		"" /* expectedOutputString */);
>+}
>+
>+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236385
>+// instance is assigned
>+public void test067() {
>+	Map compilerOptions = getCompilerOptions();
>+	compilerOptions.put(CompilerOptions.OPTION_ReportUnusedObjectAllocation, CompilerOptions.ERROR);
>+	runConformTest(
>+		new String[] {
>+			"X.java",
>+			"public class X {\n" +
>+			"   boolean bar() { return false; }\n" +
>+			"   Throwable t;\n" +
>+			"	public void foo() {" +
>+			"		t = new IllegalArgumentException(\"You must not bar!\");\n" +
>+			"	}\n" +
>+			"}",
>+		},
>+		"" /* expectedOutputString */,
>+		null /* classLib */,
>+		true /* shouldFlushOutputDirectory */, 
>+		null /* vmArguments */, 
>+		compilerOptions /* customOptions */,
>+		null /* clientRequestor */);
>+}
>+
>+//https://bugs.eclipse.org/bugs/show_bug.cgi?id=236385
>+// method invoked
>+public void test068() {
>+	Map compilerOptions = getCompilerOptions();
>+	compilerOptions.put(CompilerOptions.OPTION_ReportUnusedObjectAllocation, CompilerOptions.ERROR);
>+	runConformTest(
>+		new String[] {
>+			"X.java",
>+			"public class X {\n" +
>+			"   boolean bar() { return false; }\n" +
>+			"	public void foo() {" +
>+			"		if (bar())\n" +
>+			"			new IllegalArgumentException(\"You must not bar!\").printStackTrace();\n" +
>+			"	}\n" +
>+			"}",
>+		},
>+		"" /* expectedOutputString */,
>+		null /* classLib */,
>+		true /* shouldFlushOutputDirectory */, 
>+		null /* vmArguments */, 
>+		compilerOptions /* customOptions */,
>+		null /* clientRequestor */);
>+}
>+
> public static Class testClass() {
> 	return FlowAnalysisTest.class;
> }

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Attachments on bug 236385: 110739 | 111358 | 153869 | 155923 | 155983 | 155987 | 155989 | 156030