org.eclipse.jdt.internal.compiler.impl.CompilerOptions.java Source code

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/*******************************************************************************
 * Copyright (c) 2000, 2019 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Benjamin Muskalla - Contribution for bug 239066
 *     Stephan Herrmann  - Contributions for
 *                          bug 236385 - [compiler] Warn for potential programming problem if an object is created but not used
 *                          bug 295551 - Add option to automatically promote all warnings to errors
 *                          bug 349326 - [1.7] new warning for missing try-with-resources
 *                        bug 186342 - [compiler][null] Using annotations for null checking
 *                        bug 370639 - [compiler][resource] restore the default for resource leak warnings
 *                        bug 366063 - Compiler should not add synthetic @NonNull annotations
 *                        bug 374605 - Unreasonable warning for enum-based switch statements
 *                        bug 388281 - [compiler][null] inheritance of null annotations as an option
 *                        bug 381443 - [compiler][null] Allow parameter widening from @NonNull to unannotated
 *                        bug 383368 - [compiler][null] syntactic null analysis for field references
 *                        Bug 435805 - [1.8][compiler][null] Java 8 compiler does not recognize declaration style null annotations
 *                        Bug 410218 - Optional warning for arguments of "unexpected" types to Map#get(Object), Collection#remove(Object) et al.
 *     Jesper Steen Moller - Contributions for
 *                        bug 404146 - [1.7][compiler] nested try-catch-finally-blocks leads to unrunnable Java byte code
 *                        bug 407297 - [1.8][compiler] Control generation of parameter names by option
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.impl;

import java.io.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.Compiler;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import org.eclipse.jdt.internal.compiler.lookup.ExtraCompilerModifiers;
import org.eclipse.jdt.internal.compiler.problem.ProblemSeverities;
import org.eclipse.jdt.internal.compiler.util.Util;

@SuppressWarnings({ "rawtypes", "unchecked" })
public class CompilerOptions {

    /**
     * Option IDs
     */
    public static final String OPTION_LocalVariableAttribute = "org.eclipse.jdt.core.compiler.debug.localVariable"; //$NON-NLS-1$
    public static final String OPTION_LineNumberAttribute = "org.eclipse.jdt.core.compiler.debug.lineNumber"; //$NON-NLS-1$
    public static final String OPTION_SourceFileAttribute = "org.eclipse.jdt.core.compiler.debug.sourceFile"; //$NON-NLS-1$
    public static final String OPTION_PreserveUnusedLocal = "org.eclipse.jdt.core.compiler.codegen.unusedLocal"; //$NON-NLS-1$
    public static final String OPTION_MethodParametersAttribute = "org.eclipse.jdt.core.compiler.codegen.methodParameters"; //$NON-NLS-1$
    public static final String OPTION_LambdaGenericSignature = "org.eclipse.jdt.core.compiler.codegen.lambda.genericSignature"; //$NON-NLS-1$
    public static final String OPTION_DocCommentSupport = "org.eclipse.jdt.core.compiler.doc.comment.support"; //$NON-NLS-1$
    public static final String OPTION_ReportMethodWithConstructorName = "org.eclipse.jdt.core.compiler.problem.methodWithConstructorName"; //$NON-NLS-1$
    public static final String OPTION_ReportOverridingPackageDefaultMethod = "org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod"; //$NON-NLS-1$
    public static final String OPTION_ReportDeprecation = "org.eclipse.jdt.core.compiler.problem.deprecation"; //$NON-NLS-1$
    public static final String OPTION_ReportTerminalDeprecation = "org.eclipse.jdt.core.compiler.problem.terminalDeprecation"; //$NON-NLS-1$
    public static final String OPTION_ReportDeprecationInDeprecatedCode = "org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode"; //$NON-NLS-1$
    public static final String OPTION_ReportDeprecationWhenOverridingDeprecatedMethod = "org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod"; //$NON-NLS-1$
    public static final String OPTION_ReportHiddenCatchBlock = "org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedLocal = "org.eclipse.jdt.core.compiler.problem.unusedLocal"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedParameter = "org.eclipse.jdt.core.compiler.problem.unusedParameter"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedExceptionParameter = "org.eclipse.jdt.core.compiler.problem.unusedExceptionParameter"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedParameterWhenImplementingAbstract = "org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedParameterWhenOverridingConcrete = "org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedParameterIncludeDocCommentReference = "org.eclipse.jdt.core.compiler.problem.unusedParameterIncludeDocCommentReference"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedImport = "org.eclipse.jdt.core.compiler.problem.unusedImport"; //$NON-NLS-1$
    public static final String OPTION_ReportSyntheticAccessEmulation = "org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation"; //$NON-NLS-1$
    public static final String OPTION_ReportNoEffectAssignment = "org.eclipse.jdt.core.compiler.problem.noEffectAssignment"; //$NON-NLS-1$
    public static final String OPTION_ReportLocalVariableHiding = "org.eclipse.jdt.core.compiler.problem.localVariableHiding"; //$NON-NLS-1$
    public static final String OPTION_ReportSpecialParameterHidingField = "org.eclipse.jdt.core.compiler.problem.specialParameterHidingField"; //$NON-NLS-1$
    public static final String OPTION_ReportFieldHiding = "org.eclipse.jdt.core.compiler.problem.fieldHiding"; //$NON-NLS-1$
    public static final String OPTION_ReportTypeParameterHiding = "org.eclipse.jdt.core.compiler.problem.typeParameterHiding"; //$NON-NLS-1$
    public static final String OPTION_ReportPossibleAccidentalBooleanAssignment = "org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment"; //$NON-NLS-1$
    public static final String OPTION_ReportNonExternalizedStringLiteral = "org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral"; //$NON-NLS-1$
    public static final String OPTION_ReportIncompatibleNonInheritedInterfaceMethod = "org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedPrivateMember = "org.eclipse.jdt.core.compiler.problem.unusedPrivateMember"; //$NON-NLS-1$
    public static final String OPTION_ReportNoImplicitStringConversion = "org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion"; //$NON-NLS-1$
    public static final String OPTION_ReportAssertIdentifier = "org.eclipse.jdt.core.compiler.problem.assertIdentifier"; //$NON-NLS-1$
    public static final String OPTION_ReportEnumIdentifier = "org.eclipse.jdt.core.compiler.problem.enumIdentifier"; //$NON-NLS-1$
    public static final String OPTION_ReportNonStaticAccessToStatic = "org.eclipse.jdt.core.compiler.problem.staticAccessReceiver"; //$NON-NLS-1$
    public static final String OPTION_ReportIndirectStaticAccess = "org.eclipse.jdt.core.compiler.problem.indirectStaticAccess"; //$NON-NLS-1$
    public static final String OPTION_ReportEmptyStatement = "org.eclipse.jdt.core.compiler.problem.emptyStatement"; //$NON-NLS-1$
    public static final String OPTION_ReportUnnecessaryTypeCheck = "org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck"; //$NON-NLS-1$
    public static final String OPTION_ReportUnnecessaryElse = "org.eclipse.jdt.core.compiler.problem.unnecessaryElse"; //$NON-NLS-1$
    public static final String OPTION_ReportUndocumentedEmptyBlock = "org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock"; //$NON-NLS-1$
    public static final String OPTION_ReportInvalidJavadoc = "org.eclipse.jdt.core.compiler.problem.invalidJavadoc"; //$NON-NLS-1$
    public static final String OPTION_ReportInvalidJavadocTags = "org.eclipse.jdt.core.compiler.problem.invalidJavadocTags"; //$NON-NLS-1$
    public static final String OPTION_ReportInvalidJavadocTagsDeprecatedRef = "org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsDeprecatedRef"; //$NON-NLS-1$
    public static final String OPTION_ReportInvalidJavadocTagsNotVisibleRef = "org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsNotVisibleRef"; //$NON-NLS-1$
    public static final String OPTION_ReportInvalidJavadocTagsVisibility = "org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsVisibility"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocTags = "org.eclipse.jdt.core.compiler.problem.missingJavadocTags"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocTagsVisibility = "org.eclipse.jdt.core.compiler.problem.missingJavadocTagsVisibility"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocTagsOverriding = "org.eclipse.jdt.core.compiler.problem.missingJavadocTagsOverriding"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocTagsMethodTypeParameters = "org.eclipse.jdt.core.compiler.problem.missingJavadocTagsMethodTypeParameters"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocComments = "org.eclipse.jdt.core.compiler.problem.missingJavadocComments"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocTagDescription = "org.eclipse.jdt.core.compiler.problem.missingJavadocTagDescription"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocCommentsVisibility = "org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsVisibility"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingJavadocCommentsOverriding = "org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsOverriding"; //$NON-NLS-1$
    public static final String OPTION_ReportFinallyBlockNotCompletingNormally = "org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedDeclaredThrownException = "org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedDeclaredThrownExceptionWhenOverriding = "org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedDeclaredThrownExceptionIncludeDocCommentReference = "org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionIncludeDocCommentReference"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable = "org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionExemptExceptionAndThrowable"; //$NON-NLS-1$
    public static final String OPTION_ReportUnqualifiedFieldAccess = "org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess"; //$NON-NLS-1$
    public static final String OPTION_ReportUnavoidableGenericTypeProblems = "org.eclipse.jdt.core.compiler.problem.unavoidableGenericTypeProblems"; //$NON-NLS-1$
    public static final String OPTION_ReportUncheckedTypeOperation = "org.eclipse.jdt.core.compiler.problem.uncheckedTypeOperation"; //$NON-NLS-1$
    public static final String OPTION_ReportRawTypeReference = "org.eclipse.jdt.core.compiler.problem.rawTypeReference"; //$NON-NLS-1$
    public static final String OPTION_ReportFinalParameterBound = "org.eclipse.jdt.core.compiler.problem.finalParameterBound"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingSerialVersion = "org.eclipse.jdt.core.compiler.problem.missingSerialVersion"; //$NON-NLS-1$
    public static final String OPTION_ReportVarargsArgumentNeedCast = "org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedTypeArgumentsForMethodInvocation = "org.eclipse.jdt.core.compiler.problem.unusedTypeArgumentsForMethodInvocation"; //$NON-NLS-1$
    public static final String OPTION_Source = "org.eclipse.jdt.core.compiler.source"; //$NON-NLS-1$
    public static final String OPTION_TargetPlatform = "org.eclipse.jdt.core.compiler.codegen.targetPlatform"; //$NON-NLS-1$
    public static final String OPTION_Compliance = "org.eclipse.jdt.core.compiler.compliance"; //$NON-NLS-1$
    public static final String OPTION_Release = "org.eclipse.jdt.core.compiler.release"; //$NON-NLS-1$
    public static final String OPTION_Encoding = "org.eclipse.jdt.core.encoding"; //$NON-NLS-1$
    public static final String OPTION_MaxProblemPerUnit = "org.eclipse.jdt.core.compiler.maxProblemPerUnit"; //$NON-NLS-1$
    public static final String OPTION_TaskTags = "org.eclipse.jdt.core.compiler.taskTags"; //$NON-NLS-1$
    public static final String OPTION_TaskPriorities = "org.eclipse.jdt.core.compiler.taskPriorities"; //$NON-NLS-1$
    public static final String OPTION_TaskCaseSensitive = "org.eclipse.jdt.core.compiler.taskCaseSensitive"; //$NON-NLS-1$
    public static final String OPTION_InlineJsr = "org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode"; //$NON-NLS-1$
    public static final String OPTION_ShareCommonFinallyBlocks = "org.eclipse.jdt.core.compiler.codegen.shareCommonFinallyBlocks"; //$NON-NLS-1$
    public static final String OPTION_ReportNullReference = "org.eclipse.jdt.core.compiler.problem.nullReference"; //$NON-NLS-1$
    public static final String OPTION_ReportPotentialNullReference = "org.eclipse.jdt.core.compiler.problem.potentialNullReference"; //$NON-NLS-1$
    public static final String OPTION_ReportRedundantNullCheck = "org.eclipse.jdt.core.compiler.problem.redundantNullCheck"; //$NON-NLS-1$
    public static final String OPTION_ReportAutoboxing = "org.eclipse.jdt.core.compiler.problem.autoboxing"; //$NON-NLS-1$
    public static final String OPTION_ReportAnnotationSuperInterface = "org.eclipse.jdt.core.compiler.problem.annotationSuperInterface"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingOverrideAnnotation = "org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotation"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingOverrideAnnotationForInterfaceMethodImplementation = "org.eclipse.jdt.core.compiler.problem.missingOverrideAnnotationForInterfaceMethodImplementation"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingDeprecatedAnnotation = "org.eclipse.jdt.core.compiler.problem.missingDeprecatedAnnotation"; //$NON-NLS-1$
    public static final String OPTION_ReportIncompleteEnumSwitch = "org.eclipse.jdt.core.compiler.problem.incompleteEnumSwitch"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingEnumCaseDespiteDefault = "org.eclipse.jdt.core.compiler.problem.missingEnumCaseDespiteDefault"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingDefaultCase = "org.eclipse.jdt.core.compiler.problem.missingDefaultCase"; //$NON-NLS-1$
    public static final String OPTION_ReportForbiddenReference = "org.eclipse.jdt.core.compiler.problem.forbiddenReference"; //$NON-NLS-1$
    public static final String OPTION_ReportDiscouragedReference = "org.eclipse.jdt.core.compiler.problem.discouragedReference"; //$NON-NLS-1$
    public static final String OPTION_SuppressWarnings = "org.eclipse.jdt.core.compiler.problem.suppressWarnings"; //$NON-NLS-1$
    public static final String OPTION_SuppressOptionalErrors = "org.eclipse.jdt.core.compiler.problem.suppressOptionalErrors"; //$NON-NLS-1$
    public static final String OPTION_ReportUnhandledWarningToken = "org.eclipse.jdt.core.compiler.problem.unhandledWarningToken"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedTypeParameter = "org.eclipse.jdt.core.compiler.problem.unusedTypeParameter"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedWarningToken = "org.eclipse.jdt.core.compiler.problem.unusedWarningToken"; //$NON-NLS-1$
    public static final String OPTION_ReportUnusedLabel = "org.eclipse.jdt.core.compiler.problem.unusedLabel"; //$NON-NLS-1$
    public static final String OPTION_FatalOptionalError = "org.eclipse.jdt.core.compiler.problem.fatalOptionalError"; //$NON-NLS-1$
    public static final String OPTION_ReportParameterAssignment = "org.eclipse.jdt.core.compiler.problem.parameterAssignment"; //$NON-NLS-1$
    public static final String OPTION_ReportFallthroughCase = "org.eclipse.jdt.core.compiler.problem.fallthroughCase"; //$NON-NLS-1$
    public static final String OPTION_ReportOverridingMethodWithoutSuperInvocation = "org.eclipse.jdt.core.compiler.problem.overridingMethodWithoutSuperInvocation"; //$NON-NLS-1$
    public static final String OPTION_GenerateClassFiles = "org.eclipse.jdt.core.compiler.generateClassFiles"; //$NON-NLS-1$
    public static final String OPTION_Process_Annotations = "org.eclipse.jdt.core.compiler.processAnnotations"; //$NON-NLS-1$
    // OPTION_Store_Annotations: undocumented option for testing purposes
    public static final String OPTION_Store_Annotations = "org.eclipse.jdt.core.compiler.storeAnnotations"; //$NON-NLS-1$
    public static final String OPTION_EmulateJavacBug8031744 = "org.eclipse.jdt.core.compiler.emulateJavacBug8031744"; //$NON-NLS-1$
    public static final String OPTION_ReportRedundantSuperinterface = "org.eclipse.jdt.core.compiler.problem.redundantSuperinterface"; //$NON-NLS-1$
    public static final String OPTION_ReportComparingIdentical = "org.eclipse.jdt.core.compiler.problem.comparingIdentical"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingSynchronizedOnInheritedMethod = "org.eclipse.jdt.core.compiler.problem.missingSynchronizedOnInheritedMethod"; //$NON-NLS-1$
    public static final String OPTION_ReportMissingHashCodeMethod = "org.eclipse.jdt.core.compiler.problem.missingHashCodeMethod"; //$NON-NLS-1$
    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"; //$NON-NLS-1$
    public static final String OPTION_IncludeNullInfoFromAsserts = "org.eclipse.jdt.core.compiler.problem.includeNullInfoFromAsserts"; //$NON-NLS-1$
    public static final String OPTION_ReportMethodCanBeStatic = "org.eclipse.jdt.core.compiler.problem.reportMethodCanBeStatic"; //$NON-NLS-1$
    public static final String OPTION_ReportMethodCanBePotentiallyStatic = "org.eclipse.jdt.core.compiler.problem.reportMethodCanBePotentiallyStatic"; //$NON-NLS-1$
    public static final String OPTION_ReportRedundantSpecificationOfTypeArguments = "org.eclipse.jdt.core.compiler.problem.redundantSpecificationOfTypeArguments"; //$NON-NLS-1$

    public static final String OPTION_ReportUnclosedCloseable = "org.eclipse.jdt.core.compiler.problem.unclosedCloseable"; //$NON-NLS-1$
    public static final String OPTION_ReportPotentiallyUnclosedCloseable = "org.eclipse.jdt.core.compiler.problem.potentiallyUnclosedCloseable"; //$NON-NLS-1$
    public static final String OPTION_ReportExplicitlyClosedAutoCloseable = "org.eclipse.jdt.core.compiler.problem.explicitlyClosedAutoCloseable"; //$NON-NLS-1$

    public static final String OPTION_ReportNullSpecViolation = "org.eclipse.jdt.core.compiler.problem.nullSpecViolation"; //$NON-NLS-1$
    public static final String OPTION_ReportNullAnnotationInferenceConflict = "org.eclipse.jdt.core.compiler.problem.nullAnnotationInferenceConflict"; //$NON-NLS-1$
    public static final String OPTION_ReportNullUncheckedConversion = "org.eclipse.jdt.core.compiler.problem.nullUncheckedConversion"; //$NON-NLS-1$
    public static final String OPTION_ReportRedundantNullAnnotation = "org.eclipse.jdt.core.compiler.problem.redundantNullAnnotation"; //$NON-NLS-1$
    public static final String OPTION_AnnotationBasedNullAnalysis = "org.eclipse.jdt.core.compiler.annotation.nullanalysis"; //$NON-NLS-1$
    public static final String OPTION_NullableAnnotationName = "org.eclipse.jdt.core.compiler.annotation.nullable"; //$NON-NLS-1$
    public static final String OPTION_NonNullAnnotationName = "org.eclipse.jdt.core.compiler.annotation.nonnull"; //$NON-NLS-1$
    public static final String OPTION_NonNullByDefaultAnnotationName = "org.eclipse.jdt.core.compiler.annotation.nonnullbydefault"; //$NON-NLS-1$
    public static final String OPTION_NullableAnnotationSecondaryNames = "org.eclipse.jdt.core.compiler.annotation.nullable.secondary"; //$NON-NLS-1$
    public static final String OPTION_NonNullAnnotationSecondaryNames = "org.eclipse.jdt.core.compiler.annotation.nonnull.secondary"; //$NON-NLS-1$
    public static final String OPTION_NonNullByDefaultAnnotationSecondaryNames = "org.eclipse.jdt.core.compiler.annotation.nonnullbydefault.secondary"; //$NON-NLS-1$
    public static final String OPTION_ReportUninternedIdentityComparison = "org.eclipse.jdt.core.compiler.problem.uninternedIdentityComparison"; //$NON-NLS-1$
    // defaults for the above:
    static final char[][] DEFAULT_NULLABLE_ANNOTATION_NAME = CharOperation.splitOn('.',
            "org.eclipse.jdt.annotation.Nullable".toCharArray()); //$NON-NLS-1$
    static final char[][] DEFAULT_NONNULL_ANNOTATION_NAME = CharOperation.splitOn('.',
            "org.eclipse.jdt.annotation.NonNull".toCharArray()); //$NON-NLS-1$
    static final char[][] DEFAULT_NONNULLBYDEFAULT_ANNOTATION_NAME = CharOperation.splitOn('.',
            "org.eclipse.jdt.annotation.NonNullByDefault".toCharArray()); //$NON-NLS-1$
    public static final String OPTION_ReportMissingNonNullByDefaultAnnotation = "org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation"; //$NON-NLS-1$
    public static final String OPTION_SyntacticNullAnalysisForFields = "org.eclipse.jdt.core.compiler.problem.syntacticNullAnalysisForFields"; //$NON-NLS-1$
    public static final String OPTION_InheritNullAnnotations = "org.eclipse.jdt.core.compiler.annotation.inheritNullAnnotations"; //$NON-NLS-1$
    public static final String OPTION_ReportNonnullParameterAnnotationDropped = "org.eclipse.jdt.core.compiler.problem.nonnullParameterAnnotationDropped"; //$NON-NLS-1$
    public static final String OPTION_PessimisticNullAnalysisForFreeTypeVariables = "org.eclipse.jdt.core.compiler.problem.pessimisticNullAnalysisForFreeTypeVariables"; //$NON-NLS-1$
    public static final String OPTION_ReportNonNullTypeVariableFromLegacyInvocation = "org.eclipse.jdt.core.compiler.problem.nonnullTypeVariableFromLegacyInvocation"; //$NON-NLS-1$

    public static final String OPTION_ReportUnlikelyCollectionMethodArgumentType = "org.eclipse.jdt.core.compiler.problem.unlikelyCollectionMethodArgumentType"; //$NON-NLS-1$
    public static final String OPTION_ReportUnlikelyCollectionMethodArgumentTypeStrict = "org.eclipse.jdt.core.compiler.problem.unlikelyCollectionMethodArgumentTypeStrict"; //$NON-NLS-1$
    public static final String OPTION_ReportUnlikelyEqualsArgumentType = "org.eclipse.jdt.core.compiler.problem.unlikelyEqualsArgumentType"; //$NON-NLS-1$

    public static final String OPTION_ReportAPILeak = "org.eclipse.jdt.core.compiler.problem.APILeak"; //$NON-NLS-1$
    public static final String OPTION_ReportUnstableAutoModuleName = "org.eclipse.jdt.core.compiler.problem.unstableAutoModuleName"; //$NON-NLS-1$

    public static final String OPTION_EnablePreviews = "org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures"; //$NON-NLS-1$
    public static final String OPTION_ReportPreviewFeatures = "org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures"; //$NON-NLS-1$

    public static final String OPTION_ReportSuppressWarningNotFullyAnalysed = "org.eclipse.jdt.core.compiler.problem.suppressWarningsNotFullyAnalysed"; //$NON-NLS-1$

    // Internally used option to allow debug framework compile evaluation snippets in context of modules, see bug 543604
    public static final String OPTION_JdtDebugCompileMode = "org.eclipse.jdt.internal.debug.compile.mode"; //$NON-NLS-1$

    /**
     * Possible values for configurable options
     */
    public static final String GENERATE = "generate";//$NON-NLS-1$
    public static final String DO_NOT_GENERATE = "do not generate"; //$NON-NLS-1$
    public static final String PRESERVE = "preserve"; //$NON-NLS-1$
    public static final String OPTIMIZE_OUT = "optimize out"; //$NON-NLS-1$
    public static final String VERSION_1_1 = "1.1"; //$NON-NLS-1$
    public static final String VERSION_1_2 = "1.2"; //$NON-NLS-1$
    public static final String VERSION_1_3 = "1.3"; //$NON-NLS-1$
    public static final String VERSION_1_4 = "1.4"; //$NON-NLS-1$
    public static final String VERSION_JSR14 = "jsr14"; //$NON-NLS-1$
    public static final String VERSION_CLDC1_1 = "cldc1.1"; //$NON-NLS-1$
    public static final String VERSION_1_5 = "1.5"; //$NON-NLS-1$
    public static final String VERSION_1_6 = "1.6"; //$NON-NLS-1$
    public static final String VERSION_1_7 = "1.7"; //$NON-NLS-1$
    public static final String VERSION_1_8 = "1.8"; //$NON-NLS-1$
    public static final String VERSION_9 = "9"; //$NON-NLS-1$
    public static final String VERSION_10 = "10"; //$NON-NLS-1$
    public static final String VERSION_11 = "11"; //$NON-NLS-1$
    public static final String VERSION_12 = "12"; //$NON-NLS-1$
    public static final String VERSION_13 = "13"; //$NON-NLS-1$
    /*
     * Note: Whenever a new version is added, make sure getLatestVersion()
     * is updated with it.
     */
    public static final String ERROR = "error"; //$NON-NLS-1$
    public static final String WARNING = "warning"; //$NON-NLS-1$
    public static final String INFO = "info"; //$NON-NLS-1$
    public static final String IGNORE = "ignore"; //$NON-NLS-1$
    public static final String ENABLED = "enabled"; //$NON-NLS-1$
    public static final String DISABLED = "disabled"; //$NON-NLS-1$
    public static final String PUBLIC = "public"; //$NON-NLS-1$
    public static final String PROTECTED = "protected"; //$NON-NLS-1$
    public static final String DEFAULT = "default"; //$NON-NLS-1$
    public static final String PRIVATE = "private"; //$NON-NLS-1$
    public static final String RETURN_TAG = "return_tag"; //$NON-NLS-1$
    public static final String NO_TAG = "no_tag"; //$NON-NLS-1$
    public static final String ALL_STANDARD_TAGS = "all_standard_tags"; //$NON-NLS-1$

    private static final String[] NO_STRINGS = new String[0];

    /**
     * Bit mask for configurable problems (error/warning threshold)
     * Note: bitmask assumes 3 highest bits to denote irritant group (to allow storing 8 groups of 29 bits each
     */
    // group 0
    public static final int MethodWithConstructorName = IrritantSet.GROUP0 | ASTNode.Bit1;
    public static final int OverriddenPackageDefaultMethod = IrritantSet.GROUP0 | ASTNode.Bit2;
    public static final int UsingDeprecatedAPI = IrritantSet.GROUP0 | ASTNode.Bit3;
    public static final int MaskedCatchBlock = IrritantSet.GROUP0 | ASTNode.Bit4;
    public static final int UnusedLocalVariable = IrritantSet.GROUP0 | ASTNode.Bit5;
    public static final int UnusedArgument = IrritantSet.GROUP0 | ASTNode.Bit6;
    public static final int NoImplicitStringConversion = IrritantSet.GROUP0 | ASTNode.Bit7;
    public static final int AccessEmulation = IrritantSet.GROUP0 | ASTNode.Bit8;
    public static final int NonExternalizedString = IrritantSet.GROUP0 | ASTNode.Bit9;
    public static final int AssertUsedAsAnIdentifier = IrritantSet.GROUP0 | ASTNode.Bit10;
    public static final int UnusedImport = IrritantSet.GROUP0 | ASTNode.Bit11;
    public static final int NonStaticAccessToStatic = IrritantSet.GROUP0 | ASTNode.Bit12;
    public static final int Task = IrritantSet.GROUP0 | ASTNode.Bit13;
    public static final int NoEffectAssignment = IrritantSet.GROUP0 | ASTNode.Bit14;
    public static final int IncompatibleNonInheritedInterfaceMethod = IrritantSet.GROUP0 | ASTNode.Bit15;
    public static final int UnusedPrivateMember = IrritantSet.GROUP0 | ASTNode.Bit16;
    public static final int LocalVariableHiding = IrritantSet.GROUP0 | ASTNode.Bit17;
    public static final int FieldHiding = IrritantSet.GROUP0 | ASTNode.Bit18;
    public static final int AccidentalBooleanAssign = IrritantSet.GROUP0 | ASTNode.Bit19;
    public static final int EmptyStatement = IrritantSet.GROUP0 | ASTNode.Bit20;
    public static final int MissingJavadocComments = IrritantSet.GROUP0 | ASTNode.Bit21;
    public static final int MissingJavadocTags = IrritantSet.GROUP0 | ASTNode.Bit22;
    public static final int UnqualifiedFieldAccess = IrritantSet.GROUP0 | ASTNode.Bit23;
    public static final int UnusedDeclaredThrownException = IrritantSet.GROUP0 | ASTNode.Bit24;
    public static final int FinallyBlockNotCompleting = IrritantSet.GROUP0 | ASTNode.Bit25;
    public static final int InvalidJavadoc = IrritantSet.GROUP0 | ASTNode.Bit26;
    public static final int UnnecessaryTypeCheck = IrritantSet.GROUP0 | ASTNode.Bit27;
    public static final int UndocumentedEmptyBlock = IrritantSet.GROUP0 | ASTNode.Bit28;
    public static final int IndirectStaticAccess = IrritantSet.GROUP0 | ASTNode.Bit29;

    // group 1
    public static final int UnnecessaryElse = IrritantSet.GROUP1 | ASTNode.Bit1;
    public static final int UncheckedTypeOperation = IrritantSet.GROUP1 | ASTNode.Bit2;
    public static final int FinalParameterBound = IrritantSet.GROUP1 | ASTNode.Bit3;
    public static final int MissingSerialVersion = IrritantSet.GROUP1 | ASTNode.Bit4;
    public static final int EnumUsedAsAnIdentifier = IrritantSet.GROUP1 | ASTNode.Bit5;
    public static final int ForbiddenReference = IrritantSet.GROUP1 | ASTNode.Bit6;
    public static final int VarargsArgumentNeedCast = IrritantSet.GROUP1 | ASTNode.Bit7;
    public static final int NullReference = IrritantSet.GROUP1 | ASTNode.Bit8;
    public static final int AutoBoxing = IrritantSet.GROUP1 | ASTNode.Bit9;
    public static final int AnnotationSuperInterface = IrritantSet.GROUP1 | ASTNode.Bit10;
    public static final int TypeHiding = IrritantSet.GROUP1 | ASTNode.Bit11;
    public static final int MissingOverrideAnnotation = IrritantSet.GROUP1 | ASTNode.Bit12;
    public static final int MissingEnumConstantCase = IrritantSet.GROUP1 | ASTNode.Bit13;
    public static final int MissingDeprecatedAnnotation = IrritantSet.GROUP1 | ASTNode.Bit14;
    public static final int DiscouragedReference = IrritantSet.GROUP1 | ASTNode.Bit15;
    public static final int UnhandledWarningToken = IrritantSet.GROUP1 | ASTNode.Bit16;
    public static final int RawTypeReference = IrritantSet.GROUP1 | ASTNode.Bit17;
    public static final int UnusedLabel = IrritantSet.GROUP1 | ASTNode.Bit18;
    public static final int ParameterAssignment = IrritantSet.GROUP1 | ASTNode.Bit19;
    public static final int FallthroughCase = IrritantSet.GROUP1 | ASTNode.Bit20;
    public static final int OverridingMethodWithoutSuperInvocation = IrritantSet.GROUP1 | ASTNode.Bit21;
    public static final int PotentialNullReference = IrritantSet.GROUP1 | ASTNode.Bit22;
    public static final int RedundantNullCheck = IrritantSet.GROUP1 | ASTNode.Bit23;
    public static final int MissingJavadocTagDescription = IrritantSet.GROUP1 | ASTNode.Bit24;
    public static final int UnusedTypeArguments = IrritantSet.GROUP1 | ASTNode.Bit25;
    public static final int UnusedWarningToken = IrritantSet.GROUP1 | ASTNode.Bit26;
    public static final int RedundantSuperinterface = IrritantSet.GROUP1 | ASTNode.Bit27;
    public static final int ComparingIdentical = IrritantSet.GROUP1 | ASTNode.Bit28;
    public static final int MissingSynchronizedModifierInInheritedMethod = IrritantSet.GROUP1 | ASTNode.Bit29;

    // group 2
    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;
    public static final int MethodCanBeStatic = IrritantSet.GROUP2 | ASTNode.Bit5;
    public static final int MethodCanBePotentiallyStatic = IrritantSet.GROUP2 | ASTNode.Bit6;
    public static final int RedundantSpecificationOfTypeArguments = IrritantSet.GROUP2 | ASTNode.Bit7;
    public static final int UnclosedCloseable = IrritantSet.GROUP2 | ASTNode.Bit8;
    public static final int PotentiallyUnclosedCloseable = IrritantSet.GROUP2 | ASTNode.Bit9;
    public static final int ExplicitlyClosedAutoCloseable = IrritantSet.GROUP2 | ASTNode.Bit10;
    public static final int NullSpecViolation = IrritantSet.GROUP2 | ASTNode.Bit11;
    public static final int NullAnnotationInferenceConflict = IrritantSet.GROUP2 | ASTNode.Bit12;
    public static final int NullUncheckedConversion = IrritantSet.GROUP2 | ASTNode.Bit13;
    public static final int RedundantNullAnnotation = IrritantSet.GROUP2 | ASTNode.Bit14;
    public static final int MissingNonNullByDefaultAnnotation = IrritantSet.GROUP2 | ASTNode.Bit15;
    public static final int MissingDefaultCase = IrritantSet.GROUP2 | ASTNode.Bit16;
    public static final int UnusedTypeParameter = IrritantSet.GROUP2 | ASTNode.Bit17;
    public static final int NonnullParameterAnnotationDropped = IrritantSet.GROUP2 | ASTNode.Bit18;
    public static final int UnusedExceptionParameter = IrritantSet.GROUP2 | ASTNode.Bit19;
    public static final int PessimisticNullAnalysisForFreeTypeVariables = IrritantSet.GROUP2 | ASTNode.Bit20;
    public static final int NonNullTypeVariableFromLegacyInvocation = IrritantSet.GROUP2 | ASTNode.Bit21;
    public static final int UnlikelyCollectionMethodArgumentType = IrritantSet.GROUP2 | ASTNode.Bit22;
    public static final int UnlikelyEqualsArgumentType = IrritantSet.GROUP2 | ASTNode.Bit23;
    public static final int UsingTerminallyDeprecatedAPI = IrritantSet.GROUP2 | ASTNode.Bit24;
    public static final int APILeak = IrritantSet.GROUP2 | ASTNode.Bit25;
    public static final int UnstableAutoModuleName = IrritantSet.GROUP2 | ASTNode.Bit26;
    public static final int PreviewFeatureUsed = IrritantSet.GROUP2 | ASTNode.Bit27;
    public static final int SuppressWarningsNotAnalysed = IrritantSet.GROUP2 | ASTNode.Bit28;

    // Severity level for handlers
    /** 
     * Defaults defined at {@link IrritantSet#COMPILER_DEFAULT_ERRORS} 
     * @see #resetDefaults()
     */
    protected IrritantSet errorThreshold;
    /** 
     * Defaults defined at {@link IrritantSet#COMPILER_DEFAULT_WARNINGS}
     * @see #resetDefaults()
     */
    protected IrritantSet warningThreshold;
    /** 
     * Defaults defined at {@link IrritantSet#COMPILER_DEFAULT_INFOS}
     * @see #resetDefaults()
     */
    protected IrritantSet infoThreshold;

    /**
     * Default settings are to be defined in {@link CompilerOptions#resetDefaults()}
     */

    /** Classfile debug information, may contain source file name, line numbers, local variable tables, etc... */
    public int produceDebugAttributes;
    /** Classfile method parameters information as per JEP 118... */
    public boolean produceMethodParameters;
    /** Indicates whether generic signature should be generated for lambda expressions */
    public boolean generateGenericSignatureForLambdaExpressions;
    /** Compliance level for the compiler, refers to a JDK version, e.g. {@link ClassFileConstants#JDK1_4} */
    public long complianceLevel;
    /** Original compliance level for the compiler, refers to a JDK version, e.g. {@link ClassFileConstants#JDK1_4},
     *  Usually same as the field complianceLevel, though the latter could deviate to create temporary sandbox
     *  modes during reconcile operations. See https://bugs.eclipse.org/bugs/show_bug.cgi?id=323633
     */
    public long originalComplianceLevel;
    /** Java source level, refers to a JDK version, e.g. {@link ClassFileConstants#JDK1_4} */
    public long sourceLevel;
    /** Original Java source level, refers to a JDK version, e.g. {@link ClassFileConstants#JDK1_4} 
     *  Usually same as the field sourceLevel, though the latter could deviate to create temporary sandbox
     *  modes during reconcile operations. See https://bugs.eclipse.org/bugs/show_bug.cgi?id=323633
     * */
    public long originalSourceLevel;
    /** VM target level, refers to a JDK version, e.g. {@link ClassFileConstants#JDK1_4} */
    public long targetJDK;
    /** Source encoding format */
    public String defaultEncoding;
    /** Compiler trace verbosity */
    public boolean verbose;
    /** Indicates whether reference info is desired */
    public boolean produceReferenceInfo;
    /** Indicates if unused/optimizable local variables need to be preserved (debugging purpose) */
    public boolean preserveAllLocalVariables;
    /** Indicates whether literal expressions are inlined at parse-time or not */
    public boolean parseLiteralExpressionsAsConstants;
    /** Max problems per compilation unit */
    public int maxProblemsPerUnit;
    /** Tags used to recognize tasks in comments */
    public char[][] taskTags;
    /** Respective priorities of recognized task tags */
    public char[][] taskPriorities;
    /** Indicate whether tag detection is case sensitive or not */
    public boolean isTaskCaseSensitive;
    /** Specify whether deprecation inside deprecated code is to be reported */
    public boolean reportDeprecationInsideDeprecatedCode;
    /** Specify whether override of deprecated method is to be reported */
    public boolean reportDeprecationWhenOverridingDeprecatedMethod;
    /** Specify if should report unused parameter when implementing abstract method */
    public boolean reportUnusedParameterWhenImplementingAbstract;
    /** Specify if should report unused parameter when overriding concrete method */
    public boolean reportUnusedParameterWhenOverridingConcrete;
    /** Specify if should report documented unused parameter (in javadoc) */
    public boolean reportUnusedParameterIncludeDocCommentReference;
    /** Specify if should reported unused declared thrown exception when overriding method */
    public boolean reportUnusedDeclaredThrownExceptionWhenOverriding;
    /** Specify if should reported unused declared thrown exception when documented in javadoc */
    public boolean reportUnusedDeclaredThrownExceptionIncludeDocCommentReference;
    /** Specify if should reported unused declared thrown exception when Exception or Throwable */
    public boolean reportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable;
    /** Specify whether should report constructor/setter method parameter hiding */
    public boolean reportSpecialParameterHidingField;
    /** Specify whether trivial deadcode pattern is to be reported (e.g. if (DEBUG) ...) */
    public boolean reportDeadCodeInTrivialIfStatement;
    /** Master flag controlling whether doc comment should be processed */
    public boolean docCommentSupport;
    /** Specify if invalid javadoc shall be reported */
    public boolean reportInvalidJavadocTags;
    /** Only report invalid javadoc above a given level of visibility of associated construct */
    public int reportInvalidJavadocTagsVisibility;
    /** Specify if deprecated javadoc ref is allowed */
    public boolean reportInvalidJavadocTagsDeprecatedRef;
    /** Specify if non visible javadoc ref is allowed */
    public boolean reportInvalidJavadocTagsNotVisibleRef;
    /** Specify when to report missing javadoc tag description */
    public String reportMissingJavadocTagDescription;
    /** Only report missing javadoc tags above a given level of visibility of associated construct */
    public int reportMissingJavadocTagsVisibility;
    /** Specify if need to flag missing javadoc tags for overriding method */
    public boolean reportMissingJavadocTagsOverriding;
    /** Specify if need to flag missing javadoc tags for method type parameters (java 1.5 and above)*/
    public boolean reportMissingJavadocTagsMethodTypeParameters;
    /** Only report missing javadoc comment above a given level of visibility of associated construct */
    public int reportMissingJavadocCommentsVisibility;
    /** Specify if need to flag missing javadoc comment for overriding method */
    public boolean reportMissingJavadocCommentsOverriding;
    /** Indicate whether the JSR bytecode should be inlined to avoid its presence in classfile */
    public boolean inlineJsrBytecode;
    /** Indicate whether common escaping finally blocks should be shared */
    public boolean shareCommonFinallyBlocks;
    /** Indicate if @SuppressWarning annotations are activated */
    public boolean suppressWarnings;
    /** Indicate if @SuppressWarning annotations should also suppress optional errors */
    public boolean suppressOptionalErrors;
    /** Specify if should treat optional error as fatal or just like warning */
    public boolean treatOptionalErrorAsFatal;
    /** Specify if parser should perform structural recovery in methods */
    public boolean performMethodsFullRecovery;
    /** Specify if parser perform statements recovery */
    public boolean performStatementsRecovery;
    /** Control whether annotation processing is enabled */
    public boolean processAnnotations;
    /** Store annotations */
    public boolean storeAnnotations;
    /** Specify if need to report missing override annotation for a method implementing an interface method (java 1.6 and above)*/
    public boolean reportMissingOverrideAnnotationForInterfaceMethodImplementation;
    /** Indicate if annotation processing generates classfiles */
    public boolean generateClassFiles;
    /** Indicate if method bodies should be ignored */
    public boolean ignoreMethodBodies;
    /** Raise null related warnings for variables tainted inside an assert statement (java 1.4 and above)*/
    public boolean includeNullInfoFromAsserts;
    /** Controls whether forced generic type problems get reported  */
    public boolean reportUnavoidableGenericTypeProblems;
    /** Indicates that the 'ignore optional problems from source folder' option need to be ignored
     *  See https://bugs.eclipse.org/bugs/show_bug.cgi?id=372377
     */
    public boolean ignoreSourceFolderWarningOption;

    // === Support for Null Annotations: ===
    /** Master switch for null analysis based on annotations: */
    public boolean isAnnotationBasedNullAnalysisEnabled;
    /** Fully qualified name of annotation to use as marker for nullable types. */
    public char[][] nullableAnnotationName;
    /** Fully qualified name of annotation to use as marker for nonnull types. */
    public char[][] nonNullAnnotationName;
    /** Fully qualified name of annotation to use as marker for default nonnull. */
    public char[][] nonNullByDefaultAnnotationName;
    /** Fully qualified names of secondary annotations to use as marker for nullable types. */
    public String[] nullableAnnotationSecondaryNames = NO_STRINGS;
    /** Fully qualified names of secondary annotations to use as marker for nonnull types. */
    public String[] nonNullAnnotationSecondaryNames = NO_STRINGS;
    /** Fully qualified names of secondary annotations to use as marker for default nonnull. */
    public String[] nonNullByDefaultAnnotationSecondaryNames = NO_STRINGS;
    /** TagBits-encoded default for non-annotated types. */
    public long intendedDefaultNonNullness; // 0 or TagBits#AnnotationNonNull
    /** Should resources (objects of type Closeable) be analysed for matching calls to close()? */
    public boolean analyseResourceLeaks;
    /** Should missing enum cases be reported even if a default case exists in the same switch? */
    public boolean reportMissingEnumCaseDespiteDefault;

    /** When checking for unlikely argument types of of Map.get() et al, perform strict analysis against the expected type */
    public boolean reportUnlikelyCollectionMethodArgumentTypeStrict;

    /** Should the compiler tolerate illegal ambiguous varargs invocation in compliance < 1.7 
     * to be bug compatible with javac? (bug 383780) */
    public static boolean tolerateIllegalAmbiguousVarargsInvocation;
    {
        String tolerateIllegalAmbiguousVarargs = System.getProperty("tolerateIllegalAmbiguousVarargsInvocation"); //$NON-NLS-1$
        tolerateIllegalAmbiguousVarargsInvocation = tolerateIllegalAmbiguousVarargs != null
                && tolerateIllegalAmbiguousVarargs.equalsIgnoreCase("true"); //$NON-NLS-1$
    }
    /** Should null annotations of overridden methods be inherited? */
    public boolean inheritNullAnnotations;

    /** Should immediate null-check for fields be considered during null analysis (syntactical match)? */
    public boolean enableSyntacticNullAnalysisForFields;

    /** Is the error level for pessimistic null analysis for free type variables different from "ignore"? */
    public boolean pessimisticNullAnalysisForFreeTypeVariablesEnabled;

    public boolean complainOnUninternedIdentityComparison;
    public boolean emulateJavacBug8031744 = true;

    /** Not directly configurable, derived from other options by LookupEnvironment.usesNullTypeAnnotations() */
    public Boolean useNullTypeAnnotations = null;

    /** Master flag to enabled/disable all preview features */
    public boolean enablePreviewFeatures;

    /** Enable a less restrictive compile mode for JDT debug. */
    public boolean enableJdtDebugCompileMode;

    // keep in sync with warningTokenToIrritant and warningTokenFromIrritant
    public final static String[] warningTokens = { "all", //$NON-NLS-1$
            "boxing", //$NON-NLS-1$
            "cast", //$NON-NLS-1$
            "dep-ann", //$NON-NLS-1$
            "deprecation", //$NON-NLS-1$
            "exports", //$NON-NLS-1$
            "fallthrough", //$NON-NLS-1$
            "finally", //$NON-NLS-1$
            "hiding", //$NON-NLS-1$
            "incomplete-switch", //$NON-NLS-1$
            "javadoc", //$NON-NLS-1$
            "module", //$NON-NLS-1$
            "nls", //$NON-NLS-1$
            "null", //$NON-NLS-1$
            "rawtypes", //$NON-NLS-1$
            "removal", //$NON-NLS-1$
            "resource", //$NON-NLS-1$
            "restriction", //$NON-NLS-1$      
            "serial", //$NON-NLS-1$
            "static-access", //$NON-NLS-1$
            "static-method", //$NON-NLS-1$
            "super", //$NON-NLS-1$
            "synthetic-access", //$NON-NLS-1$
            "sync-override", //$NON-NLS-1$
            "unchecked", //$NON-NLS-1$
            "unlikely-arg-type", //$NON-NLS-1$
            "unqualified-field-access", //$NON-NLS-1$
            "unused", //$NON-NLS-1$
            "preview", //$NON-NLS-1$
    };

    /**
     * Initializing the compiler options with defaults
     */
    public CompilerOptions() {
        this(null); // use default options
    }

    /**
     * Initializing the compiler options with external settings
     * @param settings
     */
    public CompilerOptions(Map<String, String> settings) {
        resetDefaults();
        if (settings != null) {
            set(settings);
        }
    }

    /**
     * @deprecated used to preserve 3.1 and 3.2M4 compatibility of some Compiler constructors
     */
    public CompilerOptions(Map settings, boolean parseLiteralExpressionsAsConstants) {
        this(settings);
        this.parseLiteralExpressionsAsConstants = parseLiteralExpressionsAsConstants;
    }

    /**
     * Return the latest Java language version supported by the Eclipse compiler
     */
    public static String getLatestVersion() {
        return VERSION_13;
    }

    /**
     * Return the most specific option key controlling this irritant. Note that in some case, some irritant is controlled by
     * other master options (e.g. javadoc, deprecation, etc.).
     * This information is intended for grouping purpose (several problems governed by a rule)
     */
    public static String optionKeyFromIrritant(int irritant) {
        // keep in sync with warningTokens and warningTokenToIrritant
        switch (irritant) {
        case MethodWithConstructorName:
            return OPTION_ReportMethodWithConstructorName;
        case OverriddenPackageDefaultMethod:
            return OPTION_ReportOverridingPackageDefaultMethod;
        case UsingDeprecatedAPI:
        case (InvalidJavadoc | UsingDeprecatedAPI):
            return OPTION_ReportDeprecation;
        case UsingTerminallyDeprecatedAPI:
        case (InvalidJavadoc | UsingTerminallyDeprecatedAPI):
            return OPTION_ReportTerminalDeprecation;
        case MaskedCatchBlock:
            return OPTION_ReportHiddenCatchBlock;
        case UnusedLocalVariable:
            return OPTION_ReportUnusedLocal;
        case UnusedArgument:
            return OPTION_ReportUnusedParameter;
        case UnusedExceptionParameter:
            return OPTION_ReportUnusedExceptionParameter;
        case NoImplicitStringConversion:
            return OPTION_ReportNoImplicitStringConversion;
        case AccessEmulation:
            return OPTION_ReportSyntheticAccessEmulation;
        case NonExternalizedString:
            return OPTION_ReportNonExternalizedStringLiteral;
        case AssertUsedAsAnIdentifier:
            return OPTION_ReportAssertIdentifier;
        case UnusedImport:
            return OPTION_ReportUnusedImport;
        case NonStaticAccessToStatic:
            return OPTION_ReportNonStaticAccessToStatic;
        case Task:
            return OPTION_TaskTags;
        case NoEffectAssignment:
            return OPTION_ReportNoEffectAssignment;
        case IncompatibleNonInheritedInterfaceMethod:
            return OPTION_ReportIncompatibleNonInheritedInterfaceMethod;
        case UnusedPrivateMember:
            return OPTION_ReportUnusedPrivateMember;
        case LocalVariableHiding:
            return OPTION_ReportLocalVariableHiding;
        case FieldHiding:
            return OPTION_ReportFieldHiding;
        case AccidentalBooleanAssign:
            return OPTION_ReportPossibleAccidentalBooleanAssignment;
        case EmptyStatement:
            return OPTION_ReportEmptyStatement;
        case MissingJavadocComments:
            return OPTION_ReportMissingJavadocComments;
        case MissingJavadocTags:
            return OPTION_ReportMissingJavadocTags;
        case UnqualifiedFieldAccess:
            return OPTION_ReportUnqualifiedFieldAccess;
        case UnusedDeclaredThrownException:
            return OPTION_ReportUnusedDeclaredThrownException;
        case FinallyBlockNotCompleting:
            return OPTION_ReportFinallyBlockNotCompletingNormally;
        case InvalidJavadoc:
            return OPTION_ReportInvalidJavadoc;
        case UnnecessaryTypeCheck:
            return OPTION_ReportUnnecessaryTypeCheck;
        case UndocumentedEmptyBlock:
            return OPTION_ReportUndocumentedEmptyBlock;
        case IndirectStaticAccess:
            return OPTION_ReportIndirectStaticAccess;
        case UnnecessaryElse:
            return OPTION_ReportUnnecessaryElse;
        case UncheckedTypeOperation:
            return OPTION_ReportUncheckedTypeOperation;
        case FinalParameterBound:
            return OPTION_ReportFinalParameterBound;
        case MissingSerialVersion:
            return OPTION_ReportMissingSerialVersion;
        case EnumUsedAsAnIdentifier:
            return OPTION_ReportEnumIdentifier;
        case ForbiddenReference:
            return OPTION_ReportForbiddenReference;
        case VarargsArgumentNeedCast:
            return OPTION_ReportVarargsArgumentNeedCast;
        case NullReference:
            return OPTION_ReportNullReference;
        case PotentialNullReference:
            return OPTION_ReportPotentialNullReference;
        case RedundantNullCheck:
            return OPTION_ReportRedundantNullCheck;
        case AutoBoxing:
            return OPTION_ReportAutoboxing;
        case AnnotationSuperInterface:
            return OPTION_ReportAnnotationSuperInterface;
        case TypeHiding:
            return OPTION_ReportTypeParameterHiding;
        case MissingOverrideAnnotation:
            return OPTION_ReportMissingOverrideAnnotation;
        case MissingEnumConstantCase:
            return OPTION_ReportIncompleteEnumSwitch;
        case MissingDefaultCase:
            return OPTION_ReportMissingDefaultCase;
        case MissingDeprecatedAnnotation:
            return OPTION_ReportMissingDeprecatedAnnotation;
        case DiscouragedReference:
            return OPTION_ReportDiscouragedReference;
        case UnhandledWarningToken:
            return OPTION_ReportUnhandledWarningToken;
        case RawTypeReference:
            return OPTION_ReportRawTypeReference;
        case UnusedLabel:
            return OPTION_ReportUnusedLabel;
        case ParameterAssignment:
            return OPTION_ReportParameterAssignment;
        case FallthroughCase:
            return OPTION_ReportFallthroughCase;
        case OverridingMethodWithoutSuperInvocation:
            return OPTION_ReportOverridingMethodWithoutSuperInvocation;
        case MissingJavadocTagDescription:
            return OPTION_ReportMissingJavadocTagDescription;
        case UnusedTypeArguments:
            return OPTION_ReportUnusedTypeArgumentsForMethodInvocation;
        case UnusedTypeParameter:
            return OPTION_ReportUnusedTypeParameter;
        case UnusedWarningToken:
            return OPTION_ReportUnusedWarningToken;
        case RedundantSuperinterface:
            return OPTION_ReportRedundantSuperinterface;
        case ComparingIdentical:
            return OPTION_ReportComparingIdentical;
        case MissingSynchronizedModifierInInheritedMethod:
            return OPTION_ReportMissingSynchronizedOnInheritedMethod;
        case ShouldImplementHashcode:
            return OPTION_ReportMissingHashCodeMethod;
        case DeadCode:
            return OPTION_ReportDeadCode;
        case UnusedObjectAllocation:
            return OPTION_ReportUnusedObjectAllocation;
        case MethodCanBeStatic:
            return OPTION_ReportMethodCanBeStatic;
        case MethodCanBePotentiallyStatic:
            return OPTION_ReportMethodCanBePotentiallyStatic;
        case MissingNonNullByDefaultAnnotation:
            return OPTION_ReportMissingNonNullByDefaultAnnotation;
        case RedundantSpecificationOfTypeArguments:
            return OPTION_ReportRedundantSpecificationOfTypeArguments;
        case UnclosedCloseable:
            return OPTION_ReportUnclosedCloseable;
        case PotentiallyUnclosedCloseable:
            return OPTION_ReportPotentiallyUnclosedCloseable;
        case ExplicitlyClosedAutoCloseable:
            return OPTION_ReportExplicitlyClosedAutoCloseable;
        case NullSpecViolation:
            return OPTION_ReportNullSpecViolation;
        case NullAnnotationInferenceConflict:
            return OPTION_ReportNullAnnotationInferenceConflict;
        case NullUncheckedConversion:
            return OPTION_ReportNullUncheckedConversion;
        case RedundantNullAnnotation:
            return OPTION_ReportRedundantNullAnnotation;
        case NonnullParameterAnnotationDropped:
            return OPTION_ReportNonnullParameterAnnotationDropped;
        case PessimisticNullAnalysisForFreeTypeVariables:
            return OPTION_PessimisticNullAnalysisForFreeTypeVariables;
        case NonNullTypeVariableFromLegacyInvocation:
            return OPTION_ReportNonNullTypeVariableFromLegacyInvocation;
        case UnlikelyCollectionMethodArgumentType:
            return OPTION_ReportUnlikelyCollectionMethodArgumentType;
        case UnlikelyEqualsArgumentType:
            return OPTION_ReportUnlikelyEqualsArgumentType;
        case APILeak:
            return OPTION_ReportAPILeak;
        case UnstableAutoModuleName:
            return OPTION_ReportUnstableAutoModuleName;
        case PreviewFeatureUsed:
            return OPTION_ReportPreviewFeatures;
        case SuppressWarningsNotAnalysed:
            return OPTION_ReportSuppressWarningNotFullyAnalysed;
        }
        return null;
    }

    public static String versionFromJdkLevel(long jdkLevel) {
        int major = (int) (jdkLevel >> 16);
        switch (major) {
        case ClassFileConstants.MAJOR_VERSION_1_1:
            if (jdkLevel == ClassFileConstants.JDK1_1)
                return VERSION_1_1;
            break;
        case ClassFileConstants.MAJOR_VERSION_1_2:
            if (jdkLevel == ClassFileConstants.JDK1_2)
                return VERSION_1_2;
            break;
        case ClassFileConstants.MAJOR_VERSION_1_3:
            if (jdkLevel == ClassFileConstants.JDK1_3)
                return VERSION_1_3;
            break;
        case ClassFileConstants.MAJOR_VERSION_1_4:
            if (jdkLevel == ClassFileConstants.JDK1_4)
                return VERSION_1_4;
            break;
        case ClassFileConstants.MAJOR_VERSION_1_5:
            if (jdkLevel == ClassFileConstants.JDK1_5)
                return VERSION_1_5;
            break;
        case ClassFileConstants.MAJOR_VERSION_1_6:
            if (jdkLevel == ClassFileConstants.JDK1_6)
                return VERSION_1_6;
            break;
        case ClassFileConstants.MAJOR_VERSION_1_7:
            if (jdkLevel == ClassFileConstants.JDK1_7)
                return VERSION_1_7;
            break;
        case ClassFileConstants.MAJOR_VERSION_1_8:
            if (jdkLevel == ClassFileConstants.JDK1_8)
                return VERSION_1_8;
            break;
        case ClassFileConstants.MAJOR_VERSION_9:
            if (jdkLevel == ClassFileConstants.JDK9)
                return VERSION_9;
            break;
        case ClassFileConstants.MAJOR_VERSION_10:
            if (jdkLevel == ClassFileConstants.JDK10)
                return VERSION_10;
            break;
        default:
            if (major > ClassFileConstants.MAJOR_VERSION_10) {
                return "" + (major - ClassFileConstants.MAJOR_VERSION_0); //$NON-NLS-1$
            }
            return Util.EMPTY_STRING; // unknown version

        }
        return Util.EMPTY_STRING; // unknown version
    }

    public static long releaseToJDKLevel(String release) {
        if (release != null && release.length() > 0) {
            int major = Integer.parseInt(release) + ClassFileConstants.MAJOR_VERSION_0;
            if (major <= ClassFileConstants.MAJOR_LATEST_VERSION) {
                long jdkLevel = ((long) major << 16) + ClassFileConstants.MINOR_VERSION_0;
                return jdkLevel;
            }
        }
        return 0;
    }

    public static long versionToJdkLevel(String versionID) {
        return versionToJdkLevel(versionID, true);
    }

    public static long versionToJdkLevel(String versionID, boolean supportUnreleased) {
        String version = versionID;
        // verification is optimized for all versions with same length and same "1." prefix
        if (version != null && version.length() > 0) {
            if (version.length() >= 3 && version.charAt(0) == '1' && version.charAt(1) == '.') {
                switch (version.charAt(2)) {
                case '1':
                    return ClassFileConstants.JDK1_1;
                case '2':
                    return ClassFileConstants.JDK1_2;
                case '3':
                    return ClassFileConstants.JDK1_3;
                case '4':
                    return ClassFileConstants.JDK1_4;
                case '5':
                    return ClassFileConstants.JDK1_5;
                case '6':
                    return ClassFileConstants.JDK1_6;
                case '7':
                    return ClassFileConstants.JDK1_7;
                case '8':
                    return ClassFileConstants.JDK1_8;
                default:
                    return 0; // unknown
                }
            } else {
                try {
                    int index = version.indexOf('.');
                    if (index != -1) {
                        version = version.substring(0, index);
                    } else {
                        index = version.indexOf('-');
                        if (index != -1)
                            version = version.substring(0, index);
                    }
                    int major = Integer.parseInt(version) + ClassFileConstants.MAJOR_VERSION_0;
                    if (major > ClassFileConstants.MAJOR_LATEST_VERSION) {
                        if (supportUnreleased)
                            major = ClassFileConstants.MAJOR_LATEST_VERSION;
                        else
                            return 0; // unknown
                    }
                    return ((long) major << 16) + ClassFileConstants.MINOR_VERSION_0;
                } catch (NumberFormatException e) {
                    // do nothing and return 0 at the end
                }
            }
        }
        if (VERSION_JSR14.equals(versionID)) {
            return ClassFileConstants.JDK1_4;
        }
        if (VERSION_CLDC1_1.equals(versionID)) {
            return ClassFileConstants.CLDC_1_1;
        }
        return 0; // unknown
    }

    /**
     * Return all warning option names for use as keys in compiler options maps.
     * @return all warning option names
     */
    public static String[] warningOptionNames() {
        String[] result = { OPTION_ReportAnnotationSuperInterface, OPTION_ReportAssertIdentifier,
                OPTION_ReportAutoboxing, OPTION_ReportComparingIdentical, OPTION_ReportDeadCode,
                OPTION_ReportDeadCodeInTrivialIfStatement, OPTION_ReportDeprecation,
                OPTION_ReportDeprecationInDeprecatedCode, OPTION_ReportDeprecationWhenOverridingDeprecatedMethod,
                OPTION_ReportDiscouragedReference, OPTION_ReportEmptyStatement, OPTION_ReportEnumIdentifier,
                OPTION_ReportFallthroughCase, OPTION_ReportFieldHiding,
                OPTION_ReportFinallyBlockNotCompletingNormally, OPTION_ReportFinalParameterBound,
                OPTION_ReportForbiddenReference, OPTION_ReportHiddenCatchBlock,
                OPTION_ReportIncompatibleNonInheritedInterfaceMethod, OPTION_ReportMissingDefaultCase,
                OPTION_ReportIncompleteEnumSwitch, OPTION_ReportMissingEnumCaseDespiteDefault,
                OPTION_ReportIndirectStaticAccess, OPTION_ReportInvalidJavadoc, OPTION_ReportInvalidJavadocTags,
                OPTION_ReportInvalidJavadocTagsDeprecatedRef, OPTION_ReportInvalidJavadocTagsNotVisibleRef,
                OPTION_ReportInvalidJavadocTagsVisibility, OPTION_ReportLocalVariableHiding,
                OPTION_ReportMethodCanBePotentiallyStatic, OPTION_ReportMethodCanBeStatic,
                OPTION_ReportMethodWithConstructorName, OPTION_ReportMissingDeprecatedAnnotation,
                OPTION_ReportMissingHashCodeMethod, OPTION_ReportMissingJavadocComments,
                OPTION_ReportMissingJavadocCommentsOverriding, OPTION_ReportMissingJavadocCommentsVisibility,
                OPTION_ReportMissingJavadocTagDescription, OPTION_ReportMissingJavadocTags,
                OPTION_ReportMissingJavadocTagsMethodTypeParameters, OPTION_ReportMissingJavadocTagsOverriding,
                OPTION_ReportMissingJavadocTagsVisibility, OPTION_ReportMissingOverrideAnnotation,
                OPTION_ReportMissingOverrideAnnotationForInterfaceMethodImplementation,
                OPTION_ReportMissingSerialVersion, OPTION_ReportMissingSynchronizedOnInheritedMethod,
                OPTION_ReportNoEffectAssignment, OPTION_ReportNoImplicitStringConversion,
                OPTION_ReportNonExternalizedStringLiteral, OPTION_ReportNonStaticAccessToStatic,
                OPTION_ReportNullReference, OPTION_ReportOverridingMethodWithoutSuperInvocation,
                OPTION_ReportOverridingPackageDefaultMethod, OPTION_ReportParameterAssignment,
                OPTION_ReportPossibleAccidentalBooleanAssignment, OPTION_ReportPotentialNullReference,
                OPTION_ReportRawTypeReference, OPTION_ReportRedundantNullCheck,
                OPTION_ReportRedundantSuperinterface, OPTION_ReportRedundantSpecificationOfTypeArguments,
                OPTION_ReportSpecialParameterHidingField, OPTION_ReportSyntheticAccessEmulation, OPTION_ReportTasks,
                OPTION_ReportTypeParameterHiding, OPTION_ReportUnavoidableGenericTypeProblems,
                OPTION_ReportUncheckedTypeOperation, OPTION_ReportUndocumentedEmptyBlock,
                OPTION_ReportUnhandledWarningToken, OPTION_ReportUnnecessaryElse, OPTION_ReportUnnecessaryTypeCheck,
                OPTION_ReportUnqualifiedFieldAccess, OPTION_ReportUnusedDeclaredThrownException,
                OPTION_ReportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable,
                OPTION_ReportUnusedDeclaredThrownExceptionIncludeDocCommentReference,
                OPTION_ReportUnusedDeclaredThrownExceptionWhenOverriding, OPTION_ReportUnusedImport,
                OPTION_ReportUnusedLabel, OPTION_ReportUnusedLocal, OPTION_ReportUnusedObjectAllocation,
                OPTION_ReportUnusedParameter, OPTION_ReportUnusedExceptionParameter,
                OPTION_ReportUnusedParameterIncludeDocCommentReference,
                OPTION_ReportUnusedParameterWhenImplementingAbstract,
                OPTION_ReportUnusedParameterWhenOverridingConcrete, OPTION_ReportUnusedPrivateMember,
                OPTION_ReportUnusedTypeArgumentsForMethodInvocation, OPTION_ReportUnusedWarningToken,
                OPTION_ReportVarargsArgumentNeedCast, OPTION_ReportUnclosedCloseable,
                OPTION_ReportPotentiallyUnclosedCloseable, OPTION_ReportExplicitlyClosedAutoCloseable,
                OPTION_AnnotationBasedNullAnalysis, OPTION_NonNullAnnotationName, OPTION_NullableAnnotationName,
                OPTION_NonNullByDefaultAnnotationName, OPTION_ReportMissingNonNullByDefaultAnnotation,
                OPTION_ReportNullSpecViolation, OPTION_ReportNullAnnotationInferenceConflict,
                OPTION_ReportNullUncheckedConversion, OPTION_ReportRedundantNullAnnotation,
                OPTION_SyntacticNullAnalysisForFields, OPTION_ReportUnusedTypeParameter,
                OPTION_InheritNullAnnotations, OPTION_ReportNonnullParameterAnnotationDropped,
                OPTION_ReportUnlikelyCollectionMethodArgumentType, OPTION_ReportUnlikelyEqualsArgumentType,
                OPTION_ReportAPILeak, OPTION_ReportPreviewFeatures, OPTION_ReportSuppressWarningNotFullyAnalysed };
        return result;
    }

    /**
     * For suppressable warnings
     */
    public static String warningTokenFromIrritant(int irritant) {
        // keep in sync with warningTokens and warningTokenToIrritant
        switch (irritant) {
        case (InvalidJavadoc | UsingDeprecatedAPI):
        case UsingDeprecatedAPI:
            return "deprecation"; //$NON-NLS-1$
        case (InvalidJavadoc | UsingTerminallyDeprecatedAPI):
        case UsingTerminallyDeprecatedAPI:
            return "removal"; //$NON-NLS-1$
        case FinallyBlockNotCompleting:
            return "finally"; //$NON-NLS-1$
        case FieldHiding:
        case LocalVariableHiding:
        case MaskedCatchBlock:
            return "hiding"; //$NON-NLS-1$
        case NonExternalizedString:
            return "nls"; //$NON-NLS-1$
        case UnnecessaryTypeCheck:
            return "cast"; //$NON-NLS-1$
        case IndirectStaticAccess:
        case NonStaticAccessToStatic:
            return "static-access"; //$NON-NLS-1$
        case AccessEmulation:
            return "synthetic-access"; //$NON-NLS-1$
        case UnqualifiedFieldAccess:
            return "unqualified-field-access"; //$NON-NLS-1$
        case UncheckedTypeOperation:
            return "unchecked"; //$NON-NLS-1$
        case MissingSerialVersion:
            return "serial"; //$NON-NLS-1$
        case AutoBoxing:
            return "boxing"; //$NON-NLS-1$
        case TypeHiding:
            return "hiding"; //$NON-NLS-1$
        case MissingEnumConstantCase:
        case MissingDefaultCase:
            return "incomplete-switch"; //$NON-NLS-1$
        case MissingDeprecatedAnnotation:
            return "dep-ann"; //$NON-NLS-1$
        case RawTypeReference:
            return "rawtypes"; //$NON-NLS-1$
        case DeadCode:
        case RedundantSuperinterface:
        case RedundantSpecificationOfTypeArguments:
        case UnusedDeclaredThrownException:
        case UnusedExceptionParameter:
        case UnusedImport:
        case UnusedLabel:
        case UnusedLocalVariable:
        case UnusedObjectAllocation:
        case UnusedArgument: // OPTION_ReportUnusedParameter
        case UnusedPrivateMember:
        case UnusedTypeArguments: // OPTION_ReportUnusedTypeArgumentsForMethodInvocation
        case UnusedTypeParameter:
            return "unused"; //$NON-NLS-1$
        case DiscouragedReference:
        case ForbiddenReference:
            return "restriction"; //$NON-NLS-1$
        case NullReference:
        case PotentialNullReference:
        case RedundantNullCheck:
        case NullSpecViolation:
        case NullAnnotationInferenceConflict:
        case NullUncheckedConversion:
        case RedundantNullAnnotation:
        case MissingNonNullByDefaultAnnotation:
        case NonnullParameterAnnotationDropped:
        case PessimisticNullAnalysisForFreeTypeVariables:
        case NonNullTypeVariableFromLegacyInvocation:
            return "null"; //$NON-NLS-1$
        case FallthroughCase:
            return "fallthrough"; //$NON-NLS-1$
        case OverridingMethodWithoutSuperInvocation:
            return "super"; //$NON-NLS-1$
        case MethodCanBeStatic:
        case MethodCanBePotentiallyStatic:
            return "static-method"; //$NON-NLS-1$
        case PotentiallyUnclosedCloseable:
        case UnclosedCloseable:
        case ExplicitlyClosedAutoCloseable:
            return "resource"; //$NON-NLS-1$
        case InvalidJavadoc:
        case MissingJavadocComments:
        case MissingJavadocTags:
            return "javadoc"; //$NON-NLS-1$
        case MissingSynchronizedModifierInInheritedMethod:
            return "sync-override"; //$NON-NLS-1$
        case UnlikelyEqualsArgumentType:
        case UnlikelyCollectionMethodArgumentType:
            return "unlikely-arg-type"; //$NON-NLS-1$
        case APILeak:
            return "exports"; //$NON-NLS-1$
        case UnstableAutoModuleName:
            return "module"; //$NON-NLS-1$
        case PreviewFeatureUsed:
            return "preview"; //$NON-NLS-1$
        }
        return null;
    }

    public static IrritantSet warningTokenToIrritants(String warningToken) {
        // keep in sync with warningTokens and warningTokenFromIrritant
        if (warningToken == null || warningToken.length() == 0)
            return null;
        switch (warningToken.charAt(0)) {
        case 'a':
            if ("all".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.ALL;
            break;
        case 'b':
            if ("boxing".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.BOXING;
            break;
        case 'c':
            if ("cast".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.CAST;
            break;
        case 'd':
            if ("deprecation".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.DEPRECATION;
            if ("dep-ann".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.DEP_ANN;
            break;
        case 'e':
            if ("exports".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.API_LEAK;
            break;
        case 'f':
            if ("fallthrough".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.FALLTHROUGH;
            if ("finally".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.FINALLY;
            break;
        case 'h':
            if ("hiding".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.HIDING;
            break;
        case 'i':
            if ("incomplete-switch".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.INCOMPLETE_SWITCH;
            break;
        case 'j':
            if ("javadoc".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.JAVADOC;
            break;
        case 'm':
            if ("module".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.MODULE;
            break;
        case 'n':
            if ("nls".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.NLS;
            if ("null".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.NULL;
            break;
        case 'p':
            if ("preview".equals(warningToken)) { //$NON-NLS-1$
                return IrritantSet.PREVIEW;
            }
            break;
        case 'r':
            if ("rawtypes".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.RAW;
            if ("resource".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.RESOURCE;
            if ("restriction".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.RESTRICTION;
            if ("removal".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.TERMINAL_DEPRECATION;
            break;
        case 's':
            if ("serial".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.SERIAL;
            if ("static-access".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.STATIC_ACCESS;
            if ("static-method".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.STATIC_METHOD;
            if ("synthetic-access".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.SYNTHETIC_ACCESS;
            if ("super".equals(warningToken)) { //$NON-NLS-1$
                return IrritantSet.SUPER;
            }
            if ("sync-override".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.SYNCHRONIZED;
            break;
        case 'u':
            if ("unused".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.UNUSED;
            if ("unchecked".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.UNCHECKED;
            if ("unqualified-field-access".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.UNQUALIFIED_FIELD_ACCESS;
            if ("unlikely-arg-type".equals(warningToken)) //$NON-NLS-1$
                return IrritantSet.UNLIKELY_ARGUMENT_TYPE;
            break;
        }
        return null;
    }

    public Map<String, String> getMap() {
        Map<String, String> optionsMap = new HashMap<>(30);
        optionsMap.put(OPTION_LocalVariableAttribute,
                (this.produceDebugAttributes & ClassFileConstants.ATTR_VARS) != 0 ? GENERATE : DO_NOT_GENERATE);
        optionsMap.put(OPTION_LineNumberAttribute,
                (this.produceDebugAttributes & ClassFileConstants.ATTR_LINES) != 0 ? GENERATE : DO_NOT_GENERATE);
        optionsMap.put(OPTION_SourceFileAttribute,
                (this.produceDebugAttributes & ClassFileConstants.ATTR_SOURCE) != 0 ? GENERATE : DO_NOT_GENERATE);
        optionsMap.put(OPTION_MethodParametersAttribute, this.produceMethodParameters ? GENERATE : DO_NOT_GENERATE);
        optionsMap.put(OPTION_LambdaGenericSignature,
                this.generateGenericSignatureForLambdaExpressions ? GENERATE : DO_NOT_GENERATE);
        optionsMap.put(OPTION_PreserveUnusedLocal, this.preserveAllLocalVariables ? PRESERVE : OPTIMIZE_OUT);
        optionsMap.put(OPTION_DocCommentSupport, this.docCommentSupport ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportMethodWithConstructorName, getSeverityString(MethodWithConstructorName));
        optionsMap.put(OPTION_ReportOverridingPackageDefaultMethod,
                getSeverityString(OverriddenPackageDefaultMethod));
        optionsMap.put(OPTION_ReportDeprecation, getSeverityString(UsingDeprecatedAPI));
        optionsMap.put(OPTION_ReportTerminalDeprecation, getSeverityString(UsingTerminallyDeprecatedAPI));
        optionsMap.put(OPTION_ReportDeprecationInDeprecatedCode,
                this.reportDeprecationInsideDeprecatedCode ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportDeprecationWhenOverridingDeprecatedMethod,
                this.reportDeprecationWhenOverridingDeprecatedMethod ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportHiddenCatchBlock, getSeverityString(MaskedCatchBlock));
        optionsMap.put(OPTION_ReportUnusedLocal, getSeverityString(UnusedLocalVariable));
        optionsMap.put(OPTION_ReportUnusedParameter, getSeverityString(UnusedArgument));
        optionsMap.put(OPTION_ReportUnusedExceptionParameter, getSeverityString(UnusedExceptionParameter));
        optionsMap.put(OPTION_ReportUnusedImport, getSeverityString(UnusedImport));
        optionsMap.put(OPTION_ReportSyntheticAccessEmulation, getSeverityString(AccessEmulation));
        optionsMap.put(OPTION_ReportNoEffectAssignment, getSeverityString(NoEffectAssignment));
        optionsMap.put(OPTION_ReportNonExternalizedStringLiteral, getSeverityString(NonExternalizedString));
        optionsMap.put(OPTION_ReportNoImplicitStringConversion, getSeverityString(NoImplicitStringConversion));
        optionsMap.put(OPTION_ReportNonStaticAccessToStatic, getSeverityString(NonStaticAccessToStatic));
        optionsMap.put(OPTION_ReportIndirectStaticAccess, getSeverityString(IndirectStaticAccess));
        optionsMap.put(OPTION_ReportIncompatibleNonInheritedInterfaceMethod,
                getSeverityString(IncompatibleNonInheritedInterfaceMethod));
        optionsMap.put(OPTION_ReportUnusedPrivateMember, getSeverityString(UnusedPrivateMember));
        optionsMap.put(OPTION_ReportLocalVariableHiding, getSeverityString(LocalVariableHiding));
        optionsMap.put(OPTION_ReportFieldHiding, getSeverityString(FieldHiding));
        optionsMap.put(OPTION_ReportTypeParameterHiding, getSeverityString(TypeHiding));
        optionsMap.put(OPTION_ReportPossibleAccidentalBooleanAssignment,
                getSeverityString(AccidentalBooleanAssign));
        optionsMap.put(OPTION_ReportEmptyStatement, getSeverityString(EmptyStatement));
        optionsMap.put(OPTION_ReportAssertIdentifier, getSeverityString(AssertUsedAsAnIdentifier));
        optionsMap.put(OPTION_ReportEnumIdentifier, getSeverityString(EnumUsedAsAnIdentifier));
        optionsMap.put(OPTION_ReportUndocumentedEmptyBlock, getSeverityString(UndocumentedEmptyBlock));
        optionsMap.put(OPTION_ReportUnnecessaryTypeCheck, getSeverityString(UnnecessaryTypeCheck));
        optionsMap.put(OPTION_ReportUnnecessaryElse, getSeverityString(UnnecessaryElse));
        optionsMap.put(OPTION_ReportAutoboxing, getSeverityString(AutoBoxing));
        optionsMap.put(OPTION_ReportAnnotationSuperInterface, getSeverityString(AnnotationSuperInterface));
        optionsMap.put(OPTION_ReportIncompleteEnumSwitch, getSeverityString(MissingEnumConstantCase));
        optionsMap.put(OPTION_ReportMissingEnumCaseDespiteDefault,
                this.reportMissingEnumCaseDespiteDefault ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportMissingDefaultCase, getSeverityString(MissingDefaultCase));
        optionsMap.put(OPTION_ReportInvalidJavadoc, getSeverityString(InvalidJavadoc));
        optionsMap.put(OPTION_ReportInvalidJavadocTagsVisibility,
                getVisibilityString(this.reportInvalidJavadocTagsVisibility));
        optionsMap.put(OPTION_ReportInvalidJavadocTags, this.reportInvalidJavadocTags ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportInvalidJavadocTagsDeprecatedRef,
                this.reportInvalidJavadocTagsDeprecatedRef ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportInvalidJavadocTagsNotVisibleRef,
                this.reportInvalidJavadocTagsNotVisibleRef ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportMissingJavadocTags, getSeverityString(MissingJavadocTags));
        optionsMap.put(OPTION_ReportMissingJavadocTagsVisibility,
                getVisibilityString(this.reportMissingJavadocTagsVisibility));
        optionsMap.put(OPTION_ReportMissingJavadocTagsOverriding,
                this.reportMissingJavadocTagsOverriding ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportMissingJavadocTagsMethodTypeParameters,
                this.reportMissingJavadocTagsMethodTypeParameters ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportMissingJavadocComments, getSeverityString(MissingJavadocComments));
        optionsMap.put(OPTION_ReportMissingJavadocTagDescription, this.reportMissingJavadocTagDescription);
        optionsMap.put(OPTION_ReportMissingJavadocCommentsVisibility,
                getVisibilityString(this.reportMissingJavadocCommentsVisibility));
        optionsMap.put(OPTION_ReportMissingJavadocCommentsOverriding,
                this.reportMissingJavadocCommentsOverriding ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportFinallyBlockNotCompletingNormally,
                getSeverityString(FinallyBlockNotCompleting));
        optionsMap.put(OPTION_ReportUnusedDeclaredThrownException,
                getSeverityString(UnusedDeclaredThrownException));
        optionsMap.put(OPTION_ReportUnusedDeclaredThrownExceptionWhenOverriding,
                this.reportUnusedDeclaredThrownExceptionWhenOverriding ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnusedDeclaredThrownExceptionIncludeDocCommentReference,
                this.reportUnusedDeclaredThrownExceptionIncludeDocCommentReference ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable,
                this.reportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnqualifiedFieldAccess, getSeverityString(UnqualifiedFieldAccess));
        optionsMap.put(OPTION_ReportUnavoidableGenericTypeProblems,
                this.reportUnavoidableGenericTypeProblems ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUncheckedTypeOperation, getSeverityString(UncheckedTypeOperation));
        optionsMap.put(OPTION_ReportRawTypeReference, getSeverityString(RawTypeReference));
        optionsMap.put(OPTION_ReportFinalParameterBound, getSeverityString(FinalParameterBound));
        optionsMap.put(OPTION_ReportMissingSerialVersion, getSeverityString(MissingSerialVersion));
        optionsMap.put(OPTION_ReportForbiddenReference, getSeverityString(ForbiddenReference));
        optionsMap.put(OPTION_ReportDiscouragedReference, getSeverityString(DiscouragedReference));
        optionsMap.put(OPTION_ReportVarargsArgumentNeedCast, getSeverityString(VarargsArgumentNeedCast));
        optionsMap.put(OPTION_ReportMissingOverrideAnnotation, getSeverityString(MissingOverrideAnnotation));
        optionsMap.put(OPTION_ReportMissingOverrideAnnotationForInterfaceMethodImplementation,
                this.reportMissingOverrideAnnotationForInterfaceMethodImplementation ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportMissingDeprecatedAnnotation, getSeverityString(MissingDeprecatedAnnotation));
        optionsMap.put(OPTION_ReportUnusedLabel, getSeverityString(UnusedLabel));
        optionsMap.put(OPTION_ReportUnusedTypeArgumentsForMethodInvocation, getSeverityString(UnusedTypeArguments));
        optionsMap.put(OPTION_Compliance, versionFromJdkLevel(this.complianceLevel));
        optionsMap.put(OPTION_Release, DISABLED);
        optionsMap.put(OPTION_Source, versionFromJdkLevel(this.sourceLevel));
        optionsMap.put(OPTION_TargetPlatform, versionFromJdkLevel(this.targetJDK));
        optionsMap.put(OPTION_FatalOptionalError, this.treatOptionalErrorAsFatal ? ENABLED : DISABLED);
        if (this.defaultEncoding != null) {
            optionsMap.put(OPTION_Encoding, this.defaultEncoding);
        }
        optionsMap.put(OPTION_TaskTags, this.taskTags == null ? Util.EMPTY_STRING
                : new String(CharOperation.concatWith(this.taskTags, ',')));
        optionsMap.put(OPTION_TaskPriorities, this.taskPriorities == null ? Util.EMPTY_STRING
                : new String(CharOperation.concatWith(this.taskPriorities, ',')));
        optionsMap.put(OPTION_TaskCaseSensitive, this.isTaskCaseSensitive ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnusedParameterWhenImplementingAbstract,
                this.reportUnusedParameterWhenImplementingAbstract ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnusedParameterWhenOverridingConcrete,
                this.reportUnusedParameterWhenOverridingConcrete ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnusedParameterIncludeDocCommentReference,
                this.reportUnusedParameterIncludeDocCommentReference ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportSpecialParameterHidingField,
                this.reportSpecialParameterHidingField ? ENABLED : DISABLED);
        optionsMap.put(OPTION_MaxProblemPerUnit, String.valueOf(this.maxProblemsPerUnit));
        optionsMap.put(OPTION_InlineJsr, this.inlineJsrBytecode ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ShareCommonFinallyBlocks, this.shareCommonFinallyBlocks ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportNullReference, getSeverityString(NullReference));
        optionsMap.put(OPTION_ReportPotentialNullReference, getSeverityString(PotentialNullReference));
        optionsMap.put(OPTION_ReportRedundantNullCheck, getSeverityString(RedundantNullCheck));
        optionsMap.put(OPTION_SuppressWarnings, this.suppressWarnings ? ENABLED : DISABLED);
        optionsMap.put(OPTION_SuppressOptionalErrors, this.suppressOptionalErrors ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnhandledWarningToken, getSeverityString(UnhandledWarningToken));
        optionsMap.put(OPTION_ReportUnusedWarningToken, getSeverityString(UnusedWarningToken));
        optionsMap.put(OPTION_ReportParameterAssignment, getSeverityString(ParameterAssignment));
        optionsMap.put(OPTION_ReportFallthroughCase, getSeverityString(FallthroughCase));
        optionsMap.put(OPTION_ReportOverridingMethodWithoutSuperInvocation,
                getSeverityString(OverridingMethodWithoutSuperInvocation));
        optionsMap.put(OPTION_GenerateClassFiles, this.generateClassFiles ? ENABLED : DISABLED);
        optionsMap.put(OPTION_Process_Annotations, this.processAnnotations ? ENABLED : DISABLED);
        optionsMap.put(OPTION_Store_Annotations, this.storeAnnotations ? ENABLED : DISABLED);
        optionsMap.put(OPTION_EmulateJavacBug8031744, this.emulateJavacBug8031744 ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportRedundantSuperinterface, getSeverityString(RedundantSuperinterface));
        optionsMap.put(OPTION_ReportComparingIdentical, getSeverityString(ComparingIdentical));
        optionsMap.put(OPTION_ReportMissingSynchronizedOnInheritedMethod,
                getSeverityString(MissingSynchronizedModifierInInheritedMethod));
        optionsMap.put(OPTION_ReportMissingHashCodeMethod, getSeverityString(ShouldImplementHashcode));
        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));
        optionsMap.put(OPTION_IncludeNullInfoFromAsserts, this.includeNullInfoFromAsserts ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportMethodCanBeStatic, getSeverityString(MethodCanBeStatic));
        optionsMap.put(OPTION_ReportMethodCanBePotentiallyStatic, getSeverityString(MethodCanBePotentiallyStatic));
        optionsMap.put(OPTION_ReportRedundantSpecificationOfTypeArguments,
                getSeverityString(RedundantSpecificationOfTypeArguments));
        optionsMap.put(OPTION_ReportUnclosedCloseable, getSeverityString(UnclosedCloseable));
        optionsMap.put(OPTION_ReportPotentiallyUnclosedCloseable, getSeverityString(PotentiallyUnclosedCloseable));
        optionsMap.put(OPTION_ReportExplicitlyClosedAutoCloseable,
                getSeverityString(ExplicitlyClosedAutoCloseable));
        optionsMap.put(OPTION_AnnotationBasedNullAnalysis,
                this.isAnnotationBasedNullAnalysisEnabled ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportNullSpecViolation, getSeverityString(NullSpecViolation));
        optionsMap.put(OPTION_ReportNullAnnotationInferenceConflict,
                getSeverityString(NullAnnotationInferenceConflict));
        optionsMap.put(OPTION_ReportNullUncheckedConversion, getSeverityString(NullUncheckedConversion));
        optionsMap.put(OPTION_ReportRedundantNullAnnotation, getSeverityString(RedundantNullAnnotation));
        optionsMap.put(OPTION_NullableAnnotationName,
                String.valueOf(CharOperation.concatWith(this.nullableAnnotationName, '.')));
        optionsMap.put(OPTION_NonNullAnnotationName,
                String.valueOf(CharOperation.concatWith(this.nonNullAnnotationName, '.')));
        optionsMap.put(OPTION_NonNullByDefaultAnnotationName,
                String.valueOf(CharOperation.concatWith(this.nonNullByDefaultAnnotationName, '.')));
        optionsMap.put(OPTION_NullableAnnotationSecondaryNames,
                nameListToString(this.nullableAnnotationSecondaryNames));
        optionsMap.put(OPTION_NonNullAnnotationSecondaryNames,
                nameListToString(this.nonNullAnnotationSecondaryNames));
        optionsMap.put(OPTION_NonNullByDefaultAnnotationSecondaryNames,
                nameListToString(this.nonNullByDefaultAnnotationSecondaryNames));
        optionsMap.put(OPTION_ReportMissingNonNullByDefaultAnnotation,
                getSeverityString(MissingNonNullByDefaultAnnotation));
        optionsMap.put(OPTION_ReportUnusedTypeParameter, getSeverityString(UnusedTypeParameter));
        optionsMap.put(OPTION_SyntacticNullAnalysisForFields,
                this.enableSyntacticNullAnalysisForFields ? ENABLED : DISABLED);
        optionsMap.put(OPTION_InheritNullAnnotations, this.inheritNullAnnotations ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportNonnullParameterAnnotationDropped,
                getSeverityString(NonnullParameterAnnotationDropped));
        optionsMap.put(OPTION_ReportUninternedIdentityComparison,
                this.complainOnUninternedIdentityComparison ? ENABLED : DISABLED);
        optionsMap.put(OPTION_PessimisticNullAnalysisForFreeTypeVariables,
                getSeverityString(PessimisticNullAnalysisForFreeTypeVariables));
        optionsMap.put(OPTION_ReportNonNullTypeVariableFromLegacyInvocation,
                getSeverityString(NonNullTypeVariableFromLegacyInvocation));
        optionsMap.put(OPTION_ReportUnlikelyCollectionMethodArgumentType,
                getSeverityString(UnlikelyCollectionMethodArgumentType));
        optionsMap.put(OPTION_ReportUnlikelyCollectionMethodArgumentTypeStrict,
                this.reportUnlikelyCollectionMethodArgumentTypeStrict ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportUnlikelyEqualsArgumentType, getSeverityString(UnlikelyEqualsArgumentType));
        optionsMap.put(OPTION_ReportAPILeak, getSeverityString(APILeak));
        optionsMap.put(OPTION_ReportUnstableAutoModuleName, getSeverityString(UnstableAutoModuleName));
        optionsMap.put(OPTION_EnablePreviews, this.enablePreviewFeatures ? ENABLED : DISABLED);
        optionsMap.put(OPTION_ReportPreviewFeatures, getSeverityString(PreviewFeatureUsed));
        optionsMap.put(OPTION_ReportSuppressWarningNotFullyAnalysed,
                getSeverityString(SuppressWarningsNotAnalysed));
        return optionsMap;
    }

    public int getSeverity(int irritant) {
        if (this.errorThreshold.isSet(irritant)) {
            if ((irritant & (IrritantSet.GROUP_MASK | UnusedWarningToken)) == UnusedWarningToken) {
                return ProblemSeverities.Error | ProblemSeverities.Optional; // cannot be treated as fatal - codegen already occurred
            }
            return this.treatOptionalErrorAsFatal
                    ? ProblemSeverities.Error | ProblemSeverities.Optional | ProblemSeverities.Fatal
                    : ProblemSeverities.Error | ProblemSeverities.Optional;
        }
        if (this.warningThreshold.isSet(irritant)) {
            return ProblemSeverities.Warning | ProblemSeverities.Optional;
        }
        if (this.infoThreshold.isSet(irritant)) {
            return ProblemSeverities.Info | ProblemSeverities.Optional;
        }
        return ProblemSeverities.Ignore;
    }

    public String getSeverityString(int irritant) {
        if (this.errorThreshold.isSet(irritant))
            return ERROR;
        if (this.warningThreshold.isSet(irritant))
            return WARNING;
        if (this.infoThreshold.isSet(irritant)) {
            return INFO;
        }
        return IGNORE;
    }

    public String getVisibilityString(int level) {
        switch (level & ExtraCompilerModifiers.AccVisibilityMASK) {
        case ClassFileConstants.AccPublic:
            return PUBLIC;
        case ClassFileConstants.AccProtected:
            return PROTECTED;
        case ClassFileConstants.AccPrivate:
            return PRIVATE;
        default:
            return DEFAULT;
        }
    }

    public boolean isAnyEnabled(IrritantSet irritants) {
        return this.warningThreshold.isAnySet(irritants) || this.errorThreshold.isAnySet(irritants)
                || this.infoThreshold.isAnySet(irritants);
    }

    /*
     * Just return the first irritant id that is set to 'ignored'.
     */
    public int getIgnoredIrritant(IrritantSet irritants) {
        int[] bits = irritants.getBits();
        for (int i = 0; i < IrritantSet.GROUP_MAX; i++) {
            int bit = bits[i];
            for (int b = 0; b < IrritantSet.GROUP_SHIFT; b++) {
                int single = bit & (1 << b);
                if (single > 0) {
                    single |= (i << IrritantSet.GROUP_SHIFT);
                    if (single == MissingNonNullByDefaultAnnotation)
                        continue;
                    if (!(this.warningThreshold.isSet(single) || this.errorThreshold.isSet(single)
                            || this.infoThreshold.isSet(single))) {
                        return single;
                    }
                }
            }
        }
        return 0;
    }

    protected void resetDefaults() {
        // problem default severities defined on IrritantSet
        this.errorThreshold = new IrritantSet(IrritantSet.COMPILER_DEFAULT_ERRORS);
        this.warningThreshold = new IrritantSet(IrritantSet.COMPILER_DEFAULT_WARNINGS);
        this.infoThreshold = new IrritantSet(IrritantSet.COMPILER_DEFAULT_INFOS);

        // by default only lines and source attributes are generated.
        this.produceDebugAttributes = ClassFileConstants.ATTR_SOURCE | ClassFileConstants.ATTR_LINES;
        this.complianceLevel = this.originalComplianceLevel = ClassFileConstants.JDK1_4; // by default be compliant with 1.4
        this.sourceLevel = this.originalSourceLevel = ClassFileConstants.JDK1_3; //1.3 source behavior by default
        this.targetJDK = ClassFileConstants.JDK1_2; // default generates for JVM1.2

        this.defaultEncoding = null; // will use the platform default encoding

        // print what unit is being processed
        this.verbose = Compiler.DEBUG;

        this.produceReferenceInfo = false; // no reference info by default

        // indicates if unused/optimizable local variables need to be preserved (debugging purpose)
        this.preserveAllLocalVariables = false;

        this.produceMethodParameters = false;

        // indicates whether literal expressions are inlined at parse-time or not
        this.parseLiteralExpressionsAsConstants = true;

        // max problems per compilation unit
        this.maxProblemsPerUnit = 100; // no more than 100 problems per default

        // tags used to recognize tasks in comments
        this.taskTags = null;
        this.taskPriorities = null;
        this.isTaskCaseSensitive = true;

        // deprecation report
        this.reportDeprecationInsideDeprecatedCode = false;
        this.reportDeprecationWhenOverridingDeprecatedMethod = false;

        // unused parameters report
        this.reportUnusedParameterWhenImplementingAbstract = false;
        this.reportUnusedParameterWhenOverridingConcrete = false;
        this.reportUnusedParameterIncludeDocCommentReference = true;

        // unused declaration of thrown exception
        this.reportUnusedDeclaredThrownExceptionWhenOverriding = false;
        this.reportUnusedDeclaredThrownExceptionIncludeDocCommentReference = true;
        this.reportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable = true;

        // constructor/setter parameter hiding
        this.reportSpecialParameterHidingField = false;

        this.reportUnavoidableGenericTypeProblems = true;

        // check javadoc comments tags
        this.reportInvalidJavadocTagsVisibility = ClassFileConstants.AccPublic;
        this.reportInvalidJavadocTags = false;
        this.reportInvalidJavadocTagsDeprecatedRef = false;
        this.reportInvalidJavadocTagsNotVisibleRef = false;
        this.reportMissingJavadocTagDescription = RETURN_TAG;

        // check missing javadoc tags
        this.reportMissingJavadocTagsVisibility = ClassFileConstants.AccPublic;
        this.reportMissingJavadocTagsOverriding = false;
        this.reportMissingJavadocTagsMethodTypeParameters = false;

        // check missing javadoc comments
        this.reportMissingJavadocCommentsVisibility = ClassFileConstants.AccPublic;
        this.reportMissingJavadocCommentsOverriding = false;

        // JSR bytecode inlining and sharing
        this.inlineJsrBytecode = false;
        this.shareCommonFinallyBlocks = false;

        // javadoc comment support
        this.docCommentSupport = false;

        // suppress warning annotation
        this.suppressWarnings = true;

        // suppress also optional errors
        this.suppressOptionalErrors = false;

        // treat optional error as non fatal
        this.treatOptionalErrorAsFatal = false;

        // parser perform statements recovery
        this.performMethodsFullRecovery = true;

        // parser perform statements recovery
        this.performStatementsRecovery = true;

        // store annotations
        this.storeAnnotations = false;

        // annotation processing
        this.generateClassFiles = true;

        // enable annotation processing by default only in batch mode
        this.processAnnotations = false;

        // disable missing override annotation reporting for interface method implementation
        this.reportMissingOverrideAnnotationForInterfaceMethodImplementation = true;

        // dead code detection
        this.reportDeadCodeInTrivialIfStatement = false;

        // ignore method bodies
        this.ignoreMethodBodies = false;

        this.ignoreSourceFolderWarningOption = false;

        // allow null info from asserts to be considered downstream by default
        this.includeNullInfoFromAsserts = false;

        this.isAnnotationBasedNullAnalysisEnabled = false;
        this.nullableAnnotationName = DEFAULT_NULLABLE_ANNOTATION_NAME;
        this.nonNullAnnotationName = DEFAULT_NONNULL_ANNOTATION_NAME;
        this.nonNullByDefaultAnnotationName = DEFAULT_NONNULLBYDEFAULT_ANNOTATION_NAME;
        this.intendedDefaultNonNullness = 0;
        this.enableSyntacticNullAnalysisForFields = false;
        this.inheritNullAnnotations = false;

        this.analyseResourceLeaks = true;

        this.reportMissingEnumCaseDespiteDefault = false;

        this.complainOnUninternedIdentityComparison = false;
        this.enablePreviewFeatures = false;

        this.enableJdtDebugCompileMode = false;
    }

    public void set(Map<String, String> optionsMap) {
        String optionValue;
        if ((optionValue = optionsMap.get(OPTION_LocalVariableAttribute)) != null) {
            if (GENERATE.equals(optionValue)) {
                this.produceDebugAttributes |= ClassFileConstants.ATTR_VARS;
            } else if (DO_NOT_GENERATE.equals(optionValue)) {
                this.produceDebugAttributes &= ~ClassFileConstants.ATTR_VARS;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_LineNumberAttribute)) != null) {
            if (GENERATE.equals(optionValue)) {
                this.produceDebugAttributes |= ClassFileConstants.ATTR_LINES;
            } else if (DO_NOT_GENERATE.equals(optionValue)) {
                this.produceDebugAttributes &= ~ClassFileConstants.ATTR_LINES;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_SourceFileAttribute)) != null) {
            if (GENERATE.equals(optionValue)) {
                this.produceDebugAttributes |= ClassFileConstants.ATTR_SOURCE;
            } else if (DO_NOT_GENERATE.equals(optionValue)) {
                this.produceDebugAttributes &= ~ClassFileConstants.ATTR_SOURCE;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_PreserveUnusedLocal)) != null) {
            if (PRESERVE.equals(optionValue)) {
                this.preserveAllLocalVariables = true;
            } else if (OPTIMIZE_OUT.equals(optionValue)) {
                this.preserveAllLocalVariables = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportDeprecationInDeprecatedCode)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportDeprecationInsideDeprecatedCode = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportDeprecationInsideDeprecatedCode = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportDeprecationWhenOverridingDeprecatedMethod)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportDeprecationWhenOverridingDeprecatedMethod = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportDeprecationWhenOverridingDeprecatedMethod = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedDeclaredThrownExceptionWhenOverriding)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportUnusedDeclaredThrownExceptionWhenOverriding = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportUnusedDeclaredThrownExceptionWhenOverriding = false;
            }
        }
        if ((optionValue = optionsMap
                .get(OPTION_ReportUnusedDeclaredThrownExceptionIncludeDocCommentReference)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportUnusedDeclaredThrownExceptionIncludeDocCommentReference = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportUnusedDeclaredThrownExceptionIncludeDocCommentReference = false;
            }
        }
        if ((optionValue = optionsMap
                .get(OPTION_ReportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_Compliance)) != null) {
            long level = versionToJdkLevel(optionValue);
            if (level != 0)
                this.complianceLevel = this.originalComplianceLevel = level;
        }
        if ((optionValue = optionsMap.get(OPTION_Source)) != null) {
            long level = versionToJdkLevel(optionValue);
            if (level != 0)
                this.sourceLevel = this.originalSourceLevel = level;
        }
        if ((optionValue = optionsMap.get(OPTION_TargetPlatform)) != null) {
            long level = versionToJdkLevel(optionValue);
            if (level != 0) {
                if (this.enablePreviewFeatures) {
                    level |= ClassFileConstants.MINOR_VERSION_PREVIEW;
                }
                this.targetJDK = level;
            }
            if (this.targetJDK >= ClassFileConstants.JDK1_5)
                this.inlineJsrBytecode = true; // forced from 1.5 mode on
        }
        if ((optionValue = optionsMap.get(OPTION_Encoding)) != null) {
            this.defaultEncoding = null;
            String stringValue = optionValue;
            if (stringValue.length() > 0) {
                try {
                    new InputStreamReader(new ByteArrayInputStream(new byte[0]), stringValue);
                    this.defaultEncoding = stringValue;
                } catch (UnsupportedEncodingException e) {
                    // ignore unsupported encoding
                }
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedParameterWhenImplementingAbstract)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportUnusedParameterWhenImplementingAbstract = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportUnusedParameterWhenImplementingAbstract = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedParameterWhenOverridingConcrete)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportUnusedParameterWhenOverridingConcrete = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportUnusedParameterWhenOverridingConcrete = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedParameterIncludeDocCommentReference)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportUnusedParameterIncludeDocCommentReference = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportUnusedParameterIncludeDocCommentReference = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportSpecialParameterHidingField)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportSpecialParameterHidingField = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportSpecialParameterHidingField = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportUnavoidableGenericTypeProblems)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportUnavoidableGenericTypeProblems = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportUnavoidableGenericTypeProblems = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportDeadCodeInTrivialIfStatement)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportDeadCodeInTrivialIfStatement = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportDeadCodeInTrivialIfStatement = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_MaxProblemPerUnit)) != null) {
            String stringValue = optionValue;
            try {
                int val = Integer.parseInt(stringValue);
                if (val >= 0)
                    this.maxProblemsPerUnit = val;
            } catch (NumberFormatException e) {
                // ignore ill-formatted limit
            }
        }
        if ((optionValue = optionsMap.get(OPTION_TaskTags)) != null) {
            String stringValue = optionValue;
            if (stringValue.length() == 0) {
                this.taskTags = null;
            } else {
                this.taskTags = CharOperation.splitAndTrimOn(',', stringValue.toCharArray());
            }
        }
        if ((optionValue = optionsMap.get(OPTION_TaskPriorities)) != null) {
            String stringValue = optionValue;
            if (stringValue.length() == 0) {
                this.taskPriorities = null;
            } else {
                this.taskPriorities = CharOperation.splitAndTrimOn(',', stringValue.toCharArray());
            }
        }
        if ((optionValue = optionsMap.get(OPTION_TaskCaseSensitive)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.isTaskCaseSensitive = true;
            } else if (DISABLED.equals(optionValue)) {
                this.isTaskCaseSensitive = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_InlineJsr)) != null) {
            if (this.targetJDK < ClassFileConstants.JDK1_5) { // only optional if target < 1.5 (inlining on from 1.5 on)
                if (ENABLED.equals(optionValue)) {
                    this.inlineJsrBytecode = true;
                } else if (DISABLED.equals(optionValue)) {
                    this.inlineJsrBytecode = false;
                }
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ShareCommonFinallyBlocks)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.shareCommonFinallyBlocks = true;
            } else if (DISABLED.equals(optionValue)) {
                this.shareCommonFinallyBlocks = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_MethodParametersAttribute)) != null) {
            if (GENERATE.equals(optionValue)) {
                this.produceMethodParameters = true;
            } else if (DO_NOT_GENERATE.equals(optionValue)) {
                this.produceMethodParameters = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_LambdaGenericSignature)) != null) {
            if (GENERATE.equals(optionValue)) {
                this.generateGenericSignatureForLambdaExpressions = true;
            } else if (DO_NOT_GENERATE.equals(optionValue)) {
                this.generateGenericSignatureForLambdaExpressions = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_SuppressWarnings)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.suppressWarnings = true;
            } else if (DISABLED.equals(optionValue)) {
                this.suppressWarnings = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_SuppressOptionalErrors)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.suppressOptionalErrors = true;
            } else if (DISABLED.equals(optionValue)) {
                this.suppressOptionalErrors = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_FatalOptionalError)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.treatOptionalErrorAsFatal = true;
            } else if (DISABLED.equals(optionValue)) {
                this.treatOptionalErrorAsFatal = false;
            }
        }
        if ((optionValue = optionsMap
                .get(OPTION_ReportMissingOverrideAnnotationForInterfaceMethodImplementation)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportMissingOverrideAnnotationForInterfaceMethodImplementation = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportMissingOverrideAnnotationForInterfaceMethodImplementation = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_IncludeNullInfoFromAsserts)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.includeNullInfoFromAsserts = true;
            } else if (DISABLED.equals(optionValue)) {
                this.includeNullInfoFromAsserts = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMethodWithConstructorName)) != null)
            updateSeverity(MethodWithConstructorName, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportOverridingPackageDefaultMethod)) != null)
            updateSeverity(OverriddenPackageDefaultMethod, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportDeprecation)) != null)
            updateSeverity(UsingDeprecatedAPI, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportTerminalDeprecation)) != null)
            updateSeverity(UsingTerminallyDeprecatedAPI, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportHiddenCatchBlock)) != null)
            updateSeverity(MaskedCatchBlock, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedLocal)) != null)
            updateSeverity(UnusedLocalVariable, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedParameter)) != null)
            updateSeverity(UnusedArgument, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedExceptionParameter)) != null)
            updateSeverity(UnusedExceptionParameter, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedImport)) != null)
            updateSeverity(UnusedImport, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedPrivateMember)) != null)
            updateSeverity(UnusedPrivateMember, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedDeclaredThrownException)) != null)
            updateSeverity(UnusedDeclaredThrownException, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportNoImplicitStringConversion)) != null)
            updateSeverity(NoImplicitStringConversion, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportSyntheticAccessEmulation)) != null)
            updateSeverity(AccessEmulation, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportLocalVariableHiding)) != null)
            updateSeverity(LocalVariableHiding, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportFieldHiding)) != null)
            updateSeverity(FieldHiding, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportTypeParameterHiding)) != null)
            updateSeverity(TypeHiding, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportPossibleAccidentalBooleanAssignment)) != null)
            updateSeverity(AccidentalBooleanAssign, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportEmptyStatement)) != null)
            updateSeverity(EmptyStatement, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportNonExternalizedStringLiteral)) != null)
            updateSeverity(NonExternalizedString, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportAssertIdentifier)) != null)
            updateSeverity(AssertUsedAsAnIdentifier, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportEnumIdentifier)) != null)
            updateSeverity(EnumUsedAsAnIdentifier, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportNonStaticAccessToStatic)) != null)
            updateSeverity(NonStaticAccessToStatic, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportIndirectStaticAccess)) != null)
            updateSeverity(IndirectStaticAccess, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportIncompatibleNonInheritedInterfaceMethod)) != null)
            updateSeverity(IncompatibleNonInheritedInterfaceMethod, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUndocumentedEmptyBlock)) != null)
            updateSeverity(UndocumentedEmptyBlock, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnnecessaryTypeCheck)) != null)
            updateSeverity(UnnecessaryTypeCheck, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnnecessaryElse)) != null)
            updateSeverity(UnnecessaryElse, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportFinallyBlockNotCompletingNormally)) != null)
            updateSeverity(FinallyBlockNotCompleting, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnqualifiedFieldAccess)) != null)
            updateSeverity(UnqualifiedFieldAccess, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportNoEffectAssignment)) != null)
            updateSeverity(NoEffectAssignment, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUncheckedTypeOperation)) != null)
            updateSeverity(UncheckedTypeOperation, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportRawTypeReference)) != null)
            updateSeverity(RawTypeReference, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportFinalParameterBound)) != null)
            updateSeverity(FinalParameterBound, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportMissingSerialVersion)) != null)
            updateSeverity(MissingSerialVersion, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportForbiddenReference)) != null)
            updateSeverity(ForbiddenReference, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportDiscouragedReference)) != null)
            updateSeverity(DiscouragedReference, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportVarargsArgumentNeedCast)) != null)
            updateSeverity(VarargsArgumentNeedCast, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportNullReference)) != null)
            updateSeverity(NullReference, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportPotentialNullReference)) != null)
            updateSeverity(PotentialNullReference, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportRedundantNullCheck)) != null)
            updateSeverity(RedundantNullCheck, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportAutoboxing)) != null)
            updateSeverity(AutoBoxing, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportAnnotationSuperInterface)) != null)
            updateSeverity(AnnotationSuperInterface, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportMissingOverrideAnnotation)) != null)
            updateSeverity(MissingOverrideAnnotation, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportMissingDeprecatedAnnotation)) != null)
            updateSeverity(MissingDeprecatedAnnotation, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportIncompleteEnumSwitch)) != null)
            updateSeverity(MissingEnumConstantCase, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportMissingEnumCaseDespiteDefault)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportMissingEnumCaseDespiteDefault = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportMissingEnumCaseDespiteDefault = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingDefaultCase)) != null)
            updateSeverity(MissingDefaultCase, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnhandledWarningToken)) != null)
            updateSeverity(UnhandledWarningToken, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedWarningToken)) != null)
            updateSeverity(UnusedWarningToken, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedLabel)) != null)
            updateSeverity(UnusedLabel, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportParameterAssignment)) != null)
            updateSeverity(ParameterAssignment, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportFallthroughCase)) != null)
            updateSeverity(FallthroughCase, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportOverridingMethodWithoutSuperInvocation)) != null)
            updateSeverity(OverridingMethodWithoutSuperInvocation, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedTypeArgumentsForMethodInvocation)) != null)
            updateSeverity(UnusedTypeArguments, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportRedundantSuperinterface)) != null)
            updateSeverity(RedundantSuperinterface, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportComparingIdentical)) != null)
            updateSeverity(ComparingIdentical, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportMissingSynchronizedOnInheritedMethod)) != null)
            updateSeverity(MissingSynchronizedModifierInInheritedMethod, optionValue);
        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);
        if ((optionValue = optionsMap.get(OPTION_ReportMethodCanBeStatic)) != null)
            updateSeverity(MethodCanBeStatic, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportMethodCanBePotentiallyStatic)) != null)
            updateSeverity(MethodCanBePotentiallyStatic, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportRedundantSpecificationOfTypeArguments)) != null)
            updateSeverity(RedundantSpecificationOfTypeArguments, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnclosedCloseable)) != null)
            updateSeverity(UnclosedCloseable, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportPotentiallyUnclosedCloseable)) != null)
            updateSeverity(PotentiallyUnclosedCloseable, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportExplicitlyClosedAutoCloseable)) != null)
            updateSeverity(ExplicitlyClosedAutoCloseable, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnusedTypeParameter)) != null)
            updateSeverity(UnusedTypeParameter, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnlikelyCollectionMethodArgumentType)) != null)
            updateSeverity(UnlikelyCollectionMethodArgumentType, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnlikelyCollectionMethodArgumentTypeStrict)) != null) {
            this.reportUnlikelyCollectionMethodArgumentTypeStrict = ENABLED.equals(optionValue);
        }
        if ((optionValue = optionsMap.get(OPTION_ReportUnlikelyEqualsArgumentType)) != null)
            updateSeverity(UnlikelyEqualsArgumentType, optionValue);
        if (getSeverity(UnclosedCloseable) == ProblemSeverities.Ignore
                && getSeverity(PotentiallyUnclosedCloseable) == ProblemSeverities.Ignore
                && getSeverity(ExplicitlyClosedAutoCloseable) == ProblemSeverities.Ignore) {
            this.analyseResourceLeaks = false;
        } else {
            this.analyseResourceLeaks = true;
        }
        if ((optionValue = optionsMap.get(OPTION_ReportAPILeak)) != null)
            updateSeverity(APILeak, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportUnstableAutoModuleName)) != null)
            updateSeverity(UnstableAutoModuleName, optionValue);
        if ((optionValue = optionsMap.get(OPTION_AnnotationBasedNullAnalysis)) != null) {
            this.isAnnotationBasedNullAnalysisEnabled = ENABLED.equals(optionValue);
        }
        if (this.isAnnotationBasedNullAnalysisEnabled) {
            this.storeAnnotations = true;
            if ((optionValue = optionsMap.get(OPTION_ReportNullSpecViolation)) != null) {
                if (ERROR.equals(optionValue)) {
                    this.errorThreshold.set(NullSpecViolation);
                    this.warningThreshold.clear(NullSpecViolation);
                } else if (WARNING.equals(optionValue)) {
                    this.errorThreshold.clear(NullSpecViolation);
                    this.warningThreshold.set(NullSpecViolation);
                }
                // "ignore" is not valid for this option
            }
            if ((optionValue = optionsMap.get(OPTION_ReportNullAnnotationInferenceConflict)) != null)
                updateSeverity(NullAnnotationInferenceConflict, optionValue);
            if ((optionValue = optionsMap.get(OPTION_ReportNullUncheckedConversion)) != null)
                updateSeverity(NullUncheckedConversion, optionValue);
            if ((optionValue = optionsMap.get(OPTION_ReportRedundantNullAnnotation)) != null)
                updateSeverity(RedundantNullAnnotation, optionValue);
            if ((optionValue = optionsMap.get(OPTION_NullableAnnotationName)) != null) {
                this.nullableAnnotationName = CharOperation.splitAndTrimOn('.', optionValue.toCharArray());
            }
            if ((optionValue = optionsMap.get(OPTION_NonNullAnnotationName)) != null) {
                this.nonNullAnnotationName = CharOperation.splitAndTrimOn('.', optionValue.toCharArray());
            }
            if ((optionValue = optionsMap.get(OPTION_NonNullByDefaultAnnotationName)) != null) {
                this.nonNullByDefaultAnnotationName = CharOperation.splitAndTrimOn('.', optionValue.toCharArray());
            }
            if ((optionValue = optionsMap.get(OPTION_NullableAnnotationSecondaryNames)) != null) {
                this.nullableAnnotationSecondaryNames = stringToNameList(optionValue);
            }
            if ((optionValue = optionsMap.get(OPTION_NonNullAnnotationSecondaryNames)) != null) {
                this.nonNullAnnotationSecondaryNames = stringToNameList(optionValue);
            }
            if ((optionValue = optionsMap.get(OPTION_NonNullByDefaultAnnotationSecondaryNames)) != null) {
                this.nonNullByDefaultAnnotationSecondaryNames = stringToNameList(optionValue);
            }
            if ((optionValue = optionsMap.get(OPTION_ReportMissingNonNullByDefaultAnnotation)) != null)
                updateSeverity(MissingNonNullByDefaultAnnotation, optionValue);
            if ((optionValue = optionsMap.get(OPTION_SyntacticNullAnalysisForFields)) != null) {
                this.enableSyntacticNullAnalysisForFields = ENABLED.equals(optionValue);
            }
            if ((optionValue = optionsMap.get(OPTION_InheritNullAnnotations)) != null) {
                this.inheritNullAnnotations = ENABLED.equals(optionValue);
            }
            if ((optionValue = optionsMap.get(OPTION_ReportNonnullParameterAnnotationDropped)) != null)
                updateSeverity(NonnullParameterAnnotationDropped, optionValue);
            if ((optionValue = optionsMap.get(OPTION_PessimisticNullAnalysisForFreeTypeVariables)) != null)
                updateSeverity(PessimisticNullAnalysisForFreeTypeVariables, optionValue);
            if (getSeverity(PessimisticNullAnalysisForFreeTypeVariables) == ProblemSeverities.Ignore) {
                this.pessimisticNullAnalysisForFreeTypeVariablesEnabled = false;
            } else {
                this.pessimisticNullAnalysisForFreeTypeVariablesEnabled = true;
            }
            if ((optionValue = optionsMap.get(OPTION_ReportNonNullTypeVariableFromLegacyInvocation)) != null)
                updateSeverity(NonNullTypeVariableFromLegacyInvocation, optionValue);
        }

        // Javadoc options
        if ((optionValue = optionsMap.get(OPTION_DocCommentSupport)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.docCommentSupport = true;
            } else if (DISABLED.equals(optionValue)) {
                this.docCommentSupport = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportInvalidJavadoc)) != null) {
            updateSeverity(InvalidJavadoc, optionValue);
        }
        if ((optionValue = optionsMap.get(OPTION_ReportInvalidJavadocTagsVisibility)) != null) {
            if (PUBLIC.equals(optionValue)) {
                this.reportInvalidJavadocTagsVisibility = ClassFileConstants.AccPublic;
            } else if (PROTECTED.equals(optionValue)) {
                this.reportInvalidJavadocTagsVisibility = ClassFileConstants.AccProtected;
            } else if (DEFAULT.equals(optionValue)) {
                this.reportInvalidJavadocTagsVisibility = ClassFileConstants.AccDefault;
            } else if (PRIVATE.equals(optionValue)) {
                this.reportInvalidJavadocTagsVisibility = ClassFileConstants.AccPrivate;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportInvalidJavadocTags)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportInvalidJavadocTags = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportInvalidJavadocTags = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportInvalidJavadocTagsDeprecatedRef)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportInvalidJavadocTagsDeprecatedRef = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportInvalidJavadocTagsDeprecatedRef = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportInvalidJavadocTagsNotVisibleRef)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportInvalidJavadocTagsNotVisibleRef = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportInvalidJavadocTagsNotVisibleRef = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocTags)) != null) {
            updateSeverity(MissingJavadocTags, optionValue);
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocTagsVisibility)) != null) {
            if (PUBLIC.equals(optionValue)) {
                this.reportMissingJavadocTagsVisibility = ClassFileConstants.AccPublic;
            } else if (PROTECTED.equals(optionValue)) {
                this.reportMissingJavadocTagsVisibility = ClassFileConstants.AccProtected;
            } else if (DEFAULT.equals(optionValue)) {
                this.reportMissingJavadocTagsVisibility = ClassFileConstants.AccDefault;
            } else if (PRIVATE.equals(optionValue)) {
                this.reportMissingJavadocTagsVisibility = ClassFileConstants.AccPrivate;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocTagsOverriding)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportMissingJavadocTagsOverriding = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportMissingJavadocTagsOverriding = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocTagsMethodTypeParameters)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportMissingJavadocTagsMethodTypeParameters = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportMissingJavadocTagsMethodTypeParameters = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocComments)) != null) {
            updateSeverity(MissingJavadocComments, optionValue);
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocTagDescription)) != null) {
            this.reportMissingJavadocTagDescription = optionValue;
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocCommentsVisibility)) != null) {
            if (PUBLIC.equals(optionValue)) {
                this.reportMissingJavadocCommentsVisibility = ClassFileConstants.AccPublic;
            } else if (PROTECTED.equals(optionValue)) {
                this.reportMissingJavadocCommentsVisibility = ClassFileConstants.AccProtected;
            } else if (DEFAULT.equals(optionValue)) {
                this.reportMissingJavadocCommentsVisibility = ClassFileConstants.AccDefault;
            } else if (PRIVATE.equals(optionValue)) {
                this.reportMissingJavadocCommentsVisibility = ClassFileConstants.AccPrivate;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportMissingJavadocCommentsOverriding)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.reportMissingJavadocCommentsOverriding = true;
            } else if (DISABLED.equals(optionValue)) {
                this.reportMissingJavadocCommentsOverriding = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_GenerateClassFiles)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.generateClassFiles = true;
            } else if (DISABLED.equals(optionValue)) {
                this.generateClassFiles = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_Process_Annotations)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.processAnnotations = true;
                this.storeAnnotations = true; // annotation processing requires annotation to be stored
            } else if (DISABLED.equals(optionValue)) {
                this.processAnnotations = false;
                if (!this.isAnnotationBasedNullAnalysisEnabled)
                    this.storeAnnotations = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_Store_Annotations)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.storeAnnotations = true;
            } else if (DISABLED.equals(optionValue)) {
                if (!this.isAnnotationBasedNullAnalysisEnabled && !this.processAnnotations)
                    this.storeAnnotations = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_EmulateJavacBug8031744)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.emulateJavacBug8031744 = true;
            } else if (DISABLED.equals(optionValue)) {
                this.emulateJavacBug8031744 = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportUninternedIdentityComparison)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.complainOnUninternedIdentityComparison = true;
            } else if (DISABLED.equals(optionValue)) {
                this.complainOnUninternedIdentityComparison = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_EnablePreviews)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.enablePreviewFeatures = true;
                if (this.targetJDK != 0)
                    this.targetJDK |= ClassFileConstants.MINOR_VERSION_PREVIEW;
            } else if (DISABLED.equals(optionValue)) {
                this.enablePreviewFeatures = false;
            }
        }
        if ((optionValue = optionsMap.get(OPTION_ReportPreviewFeatures)) != null)
            updateSeverity(PreviewFeatureUsed, optionValue);
        if ((optionValue = optionsMap.get(OPTION_ReportSuppressWarningNotFullyAnalysed)) != null)
            updateSeverity(SuppressWarningsNotAnalysed, optionValue);

        if ((optionValue = optionsMap.get(OPTION_JdtDebugCompileMode)) != null) {
            if (ENABLED.equals(optionValue)) {
                this.enableJdtDebugCompileMode = true;
            } else if (DISABLED.equals(optionValue)) {
                this.enableJdtDebugCompileMode = false;
            }
        }
    }

    private String[] stringToNameList(String optionValue) {
        String[] result = optionValue.split(","); //$NON-NLS-1$
        if (result == null)
            return NO_STRINGS;
        for (int i = 0; i < result.length; i++)
            result[i] = result[i].trim();
        return result;
    }

    String nameListToString(String[] names) {
        if (names == null)
            return ""; //$NON-NLS-1$
        StringBuilder buf = new StringBuilder();
        for (int i = 0; i < names.length; i++) {
            if (i > 0)
                buf.append(',');
            buf.append(names[i]);
        }
        return buf.toString();
    }

    @Override
    public String toString() {
        StringBuffer buf = new StringBuffer("CompilerOptions:"); //$NON-NLS-1$
        buf.append("\n\t- local variables debug attributes: ") //$NON-NLS-1$
                .append((this.produceDebugAttributes & ClassFileConstants.ATTR_VARS) != 0 ? "ON" : " OFF"); //$NON-NLS-1$ //$NON-NLS-2$
        buf.append("\n\t- line number debug attributes: ") //$NON-NLS-1$
                .append((this.produceDebugAttributes & ClassFileConstants.ATTR_LINES) != 0 ? "ON" : " OFF"); //$NON-NLS-1$ //$NON-NLS-2$
        buf.append("\n\t- source debug attributes: ") //$NON-NLS-1$
                .append((this.produceDebugAttributes & ClassFileConstants.ATTR_SOURCE) != 0 ? "ON" : " OFF"); //$NON-NLS-1$ //$NON-NLS-2$
        buf.append("\n\t- MethodParameters attributes: ") //$NON-NLS-1$
                .append(this.produceMethodParameters ? GENERATE : DO_NOT_GENERATE);
        buf.append("\n\t- Generic signature for lambda expressions: ") //$NON-NLS-1$
                .append(this.generateGenericSignatureForLambdaExpressions ? GENERATE : DO_NOT_GENERATE);
        buf.append("\n\t- preserve all local variables: ").append(this.preserveAllLocalVariables ? "ON" : " OFF"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        buf.append("\n\t- method with constructor name: ").append(getSeverityString(MethodWithConstructorName)); //$NON-NLS-1$
        buf.append("\n\t- overridden package default method: ") //$NON-NLS-1$
                .append(getSeverityString(OverriddenPackageDefaultMethod));
        buf.append("\n\t- deprecation: ").append(getSeverityString(UsingDeprecatedAPI)); //$NON-NLS-1$
        buf.append("\n\t- removal: ").append(getSeverityString(UsingTerminallyDeprecatedAPI)); //$NON-NLS-1$
        buf.append("\n\t- masked catch block: ").append(getSeverityString(MaskedCatchBlock)); //$NON-NLS-1$
        buf.append("\n\t- unused local variable: ").append(getSeverityString(UnusedLocalVariable)); //$NON-NLS-1$
        buf.append("\n\t- unused parameter: ").append(getSeverityString(UnusedArgument)); //$NON-NLS-1$
        buf.append("\n\t- unused exception parameter: ").append(getSeverityString(UnusedExceptionParameter)); //$NON-NLS-1$
        buf.append("\n\t- unused import: ").append(getSeverityString(UnusedImport)); //$NON-NLS-1$
        buf.append("\n\t- synthetic access emulation: ").append(getSeverityString(AccessEmulation)); //$NON-NLS-1$
        buf.append("\n\t- assignment with no effect: ").append(getSeverityString(NoEffectAssignment)); //$NON-NLS-1$
        buf.append("\n\t- non externalized string: ").append(getSeverityString(NonExternalizedString)); //$NON-NLS-1$
        buf.append("\n\t- static access receiver: ").append(getSeverityString(NonStaticAccessToStatic)); //$NON-NLS-1$
        buf.append("\n\t- indirect static access: ").append(getSeverityString(IndirectStaticAccess)); //$NON-NLS-1$
        buf.append("\n\t- incompatible non inherited interface method: ") //$NON-NLS-1$
                .append(getSeverityString(IncompatibleNonInheritedInterfaceMethod));
        buf.append("\n\t- unused private member: ").append(getSeverityString(UnusedPrivateMember)); //$NON-NLS-1$
        buf.append("\n\t- local variable hiding another variable: ").append(getSeverityString(LocalVariableHiding)); //$NON-NLS-1$
        buf.append("\n\t- field hiding another variable: ").append(getSeverityString(FieldHiding)); //$NON-NLS-1$
        buf.append("\n\t- type hiding another type: ").append(getSeverityString(TypeHiding)); //$NON-NLS-1$
        buf.append("\n\t- possible accidental boolean assignment: ") //$NON-NLS-1$
                .append(getSeverityString(AccidentalBooleanAssign));
        buf.append("\n\t- superfluous semicolon: ").append(getSeverityString(EmptyStatement)); //$NON-NLS-1$
        buf.append("\n\t- uncommented empty block: ").append(getSeverityString(UndocumentedEmptyBlock)); //$NON-NLS-1$
        buf.append("\n\t- unnecessary type check: ").append(getSeverityString(UnnecessaryTypeCheck)); //$NON-NLS-1$
        buf.append("\n\t- javadoc comment support: ").append(this.docCommentSupport ? "ON" : " OFF"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        buf.append("\n\t\t+ invalid javadoc: ").append(getSeverityString(InvalidJavadoc)); //$NON-NLS-1$
        buf.append("\n\t\t+ report invalid javadoc tags: ") //$NON-NLS-1$
                .append(this.reportInvalidJavadocTags ? ENABLED : DISABLED);
        buf.append("\n\t\t\t* deprecated references: ") //$NON-NLS-1$
                .append(this.reportInvalidJavadocTagsDeprecatedRef ? ENABLED : DISABLED);
        buf.append("\n\t\t\t* not visible references: ") //$NON-NLS-1$
                .append(this.reportInvalidJavadocTagsNotVisibleRef ? ENABLED : DISABLED);
        buf.append("\n\t\t+ visibility level to report invalid javadoc tags: ") //$NON-NLS-1$
                .append(getVisibilityString(this.reportInvalidJavadocTagsVisibility));
        buf.append("\n\t\t+ missing javadoc tags: ").append(getSeverityString(MissingJavadocTags)); //$NON-NLS-1$
        buf.append("\n\t\t+ visibility level to report missing javadoc tags: ") //$NON-NLS-1$
                .append(getVisibilityString(this.reportMissingJavadocTagsVisibility));
        buf.append("\n\t\t+ report missing javadoc tags for method type parameters: ") //$NON-NLS-1$
                .append(this.reportMissingJavadocTagsMethodTypeParameters ? ENABLED : DISABLED);
        buf.append("\n\t\t+ report missing javadoc tags in overriding methods: ") //$NON-NLS-1$
                .append(this.reportMissingJavadocTagsOverriding ? ENABLED : DISABLED);
        buf.append("\n\t\t+ missing javadoc comments: ").append(getSeverityString(MissingJavadocComments)); //$NON-NLS-1$
        buf.append("\n\t\t+ report missing tag description option: ") //$NON-NLS-1$
                .append(this.reportMissingJavadocTagDescription);
        buf.append("\n\t\t+ visibility level to report missing javadoc comments: ") //$NON-NLS-1$
                .append(getVisibilityString(this.reportMissingJavadocCommentsVisibility));
        buf.append("\n\t\t+ report missing javadoc comments in overriding methods: ") //$NON-NLS-1$
                .append(this.reportMissingJavadocCommentsOverriding ? ENABLED : DISABLED);
        buf.append("\n\t- finally block not completing normally: ") //$NON-NLS-1$
                .append(getSeverityString(FinallyBlockNotCompleting));
        buf.append("\n\t- report unused declared thrown exception: ") //$NON-NLS-1$
                .append(getSeverityString(UnusedDeclaredThrownException));
        buf.append("\n\t- report unused declared thrown exception when overriding: ") //$NON-NLS-1$
                .append(this.reportUnusedDeclaredThrownExceptionWhenOverriding ? ENABLED : DISABLED);
        buf.append("\n\t- report unused declared thrown exception include doc comment reference: ") //$NON-NLS-1$
                .append(this.reportUnusedDeclaredThrownExceptionIncludeDocCommentReference ? ENABLED : DISABLED);
        buf.append("\n\t- report unused declared thrown exception exempt exception and throwable: ") //$NON-NLS-1$
                .append(this.reportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable ? ENABLED : DISABLED);
        buf.append("\n\t- unnecessary else: ").append(getSeverityString(UnnecessaryElse)); //$NON-NLS-1$
        buf.append("\n\t- JDK compliance level: " + versionFromJdkLevel(this.complianceLevel)); //$NON-NLS-1$
        buf.append("\n\t- JDK source level: " + versionFromJdkLevel(this.sourceLevel)); //$NON-NLS-1$
        buf.append("\n\t- JDK target level: " + versionFromJdkLevel(this.targetJDK)); //$NON-NLS-1$
        buf.append("\n\t- verbose : ").append(this.verbose ? "ON" : "OFF"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        buf.append("\n\t- produce reference info : ").append(this.produceReferenceInfo ? "ON" : "OFF"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        buf.append("\n\t- parse literal expressions as constants : ") //$NON-NLS-1$
                .append(this.parseLiteralExpressionsAsConstants ? "ON" : "OFF"); //$NON-NLS-1$ //$NON-NLS-2$
        buf.append("\n\t- encoding : ").append(this.defaultEncoding == null ? "<default>" : this.defaultEncoding); //$NON-NLS-1$ //$NON-NLS-2$
        buf.append("\n\t- task tags: ").append(this.taskTags == null ? Util.EMPTY_STRING //$NON-NLS-1$
                : new String(CharOperation.concatWith(this.taskTags, ',')));
        buf.append("\n\t- task priorities : ").append(this.taskPriorities == null ? Util.EMPTY_STRING //$NON-NLS-1$
                : new String(CharOperation.concatWith(this.taskPriorities, ',')));
        buf.append("\n\t- report deprecation inside deprecated code : ") //$NON-NLS-1$
                .append(this.reportDeprecationInsideDeprecatedCode ? ENABLED : DISABLED);
        buf.append("\n\t- report deprecation when overriding deprecated method : ") //$NON-NLS-1$
                .append(this.reportDeprecationWhenOverridingDeprecatedMethod ? ENABLED : DISABLED);
        buf.append("\n\t- report unused parameter when implementing abstract method : ") //$NON-NLS-1$
                .append(this.reportUnusedParameterWhenImplementingAbstract ? ENABLED : DISABLED);
        buf.append("\n\t- report unused parameter when overriding concrete method : ") //$NON-NLS-1$
                .append(this.reportUnusedParameterWhenOverridingConcrete ? ENABLED : DISABLED);
        buf.append("\n\t- report unused parameter include doc comment reference : ") //$NON-NLS-1$
                .append(this.reportUnusedParameterIncludeDocCommentReference ? ENABLED : DISABLED);
        buf.append("\n\t- report constructor/setter parameter hiding existing field : ") //$NON-NLS-1$
                .append(this.reportSpecialParameterHidingField ? ENABLED : DISABLED);
        buf.append("\n\t- inline JSR bytecode : ").append(this.inlineJsrBytecode ? ENABLED : DISABLED); //$NON-NLS-1$
        buf.append("\n\t- share common finally blocks : ") //$NON-NLS-1$
                .append(this.shareCommonFinallyBlocks ? ENABLED : DISABLED);
        buf.append("\n\t- report unavoidable generic type problems : ") //$NON-NLS-1$
                .append(this.reportUnavoidableGenericTypeProblems ? ENABLED : DISABLED);
        buf.append("\n\t- unsafe type operation: ").append(getSeverityString(UncheckedTypeOperation)); //$NON-NLS-1$
        buf.append("\n\t- unsafe raw type: ").append(getSeverityString(RawTypeReference)); //$NON-NLS-1$
        buf.append("\n\t- final bound for type parameter: ").append(getSeverityString(FinalParameterBound)); //$NON-NLS-1$
        buf.append("\n\t- missing serialVersionUID: ").append(getSeverityString(MissingSerialVersion)); //$NON-NLS-1$
        buf.append("\n\t- varargs argument need cast: ").append(getSeverityString(VarargsArgumentNeedCast)); //$NON-NLS-1$
        buf.append("\n\t- forbidden reference to type with access restriction: ") //$NON-NLS-1$
                .append(getSeverityString(ForbiddenReference));
        buf.append("\n\t- discouraged reference to type with access restriction: ") //$NON-NLS-1$
                .append(getSeverityString(DiscouragedReference));
        buf.append("\n\t- null reference: ").append(getSeverityString(NullReference)); //$NON-NLS-1$
        buf.append("\n\t- potential null reference: ").append(getSeverityString(PotentialNullReference)); //$NON-NLS-1$
        buf.append("\n\t- redundant null check: ").append(getSeverityString(RedundantNullCheck)); //$NON-NLS-1$
        buf.append("\n\t- autoboxing: ").append(getSeverityString(AutoBoxing)); //$NON-NLS-1$
        buf.append("\n\t- annotation super interface: ").append(getSeverityString(AnnotationSuperInterface)); //$NON-NLS-1$
        buf.append("\n\t- missing @Override annotation: ").append(getSeverityString(MissingOverrideAnnotation)); //$NON-NLS-1$
        buf.append("\n\t- missing @Override annotation for interface method implementation: ") //$NON-NLS-1$
                .append(this.reportMissingOverrideAnnotationForInterfaceMethodImplementation ? ENABLED : DISABLED);
        buf.append("\n\t- missing @Deprecated annotation: ").append(getSeverityString(MissingDeprecatedAnnotation)); //$NON-NLS-1$
        buf.append("\n\t- incomplete enum switch: ").append(getSeverityString(MissingEnumConstantCase)); //$NON-NLS-1$
        buf.append("\n\t- raise null related warnings for variables tainted in assert statements: ") //$NON-NLS-1$
                .append(this.includeNullInfoFromAsserts ? ENABLED : DISABLED);
        buf.append("\n\t- suppress warnings: ").append(this.suppressWarnings ? ENABLED : DISABLED); //$NON-NLS-1$
        buf.append("\n\t- suppress optional errors: ").append(this.suppressOptionalErrors ? ENABLED : DISABLED); //$NON-NLS-1$
        buf.append("\n\t- unhandled warning token: ").append(getSeverityString(UnhandledWarningToken)); //$NON-NLS-1$
        buf.append("\n\t- unused warning token: ").append(getSeverityString(UnusedWarningToken)); //$NON-NLS-1$
        buf.append("\n\t- unused label: ").append(getSeverityString(UnusedLabel)); //$NON-NLS-1$
        buf.append("\n\t- treat optional error as fatal: ") //$NON-NLS-1$
                .append(this.treatOptionalErrorAsFatal ? ENABLED : DISABLED);
        buf.append("\n\t- parameter assignment: ").append(getSeverityString(ParameterAssignment)); //$NON-NLS-1$
        buf.append("\n\t- generate class files: ").append(this.generateClassFiles ? ENABLED : DISABLED); //$NON-NLS-1$
        buf.append("\n\t- process annotations: ").append(this.processAnnotations ? ENABLED : DISABLED); //$NON-NLS-1$
        buf.append("\n\t- unused type arguments for method/constructor invocation: ") //$NON-NLS-1$
                .append(getSeverityString(UnusedTypeArguments));
        buf.append("\n\t- redundant superinterface: ").append(getSeverityString(RedundantSuperinterface)); //$NON-NLS-1$
        buf.append("\n\t- comparing identical expr: ").append(getSeverityString(ComparingIdentical)); //$NON-NLS-1$
        buf.append("\n\t- missing synchronized on inherited method: ") //$NON-NLS-1$
                .append(getSeverityString(MissingSynchronizedModifierInInheritedMethod));
        buf.append("\n\t- should implement hashCode() method: ").append(getSeverityString(ShouldImplementHashcode)); //$NON-NLS-1$
        buf.append("\n\t- dead code: ").append(getSeverityString(DeadCode)); //$NON-NLS-1$
        buf.append("\n\t- dead code in trivial if statement: ") //$NON-NLS-1$
                .append(this.reportDeadCodeInTrivialIfStatement ? ENABLED : DISABLED);
        buf.append("\n\t- tasks severity: ").append(getSeverityString(Tasks)); //$NON-NLS-1$
        buf.append("\n\t- unused object allocation: ").append(getSeverityString(UnusedObjectAllocation)); //$NON-NLS-1$
        buf.append("\n\t- method can be static: ").append(getSeverityString(MethodCanBeStatic)); //$NON-NLS-1$
        buf.append("\n\t- method can be potentially static: ") //$NON-NLS-1$
                .append(getSeverityString(MethodCanBePotentiallyStatic));
        buf.append("\n\t- redundant specification of type arguments: ") //$NON-NLS-1$
                .append(getSeverityString(RedundantSpecificationOfTypeArguments));
        buf.append("\n\t- resource is not closed: ").append(getSeverityString(UnclosedCloseable)); //$NON-NLS-1$
        buf.append("\n\t- resource may not be closed: ").append(getSeverityString(PotentiallyUnclosedCloseable)); //$NON-NLS-1$
        buf.append("\n\t- resource should be handled by try-with-resources: ") //$NON-NLS-1$
                .append(getSeverityString(ExplicitlyClosedAutoCloseable));
        buf.append("\n\t- Unused Type Parameter: ").append(getSeverityString(UnusedTypeParameter)); //$NON-NLS-1$
        buf.append("\n\t- pessimistic null analysis for free type variables: ") //$NON-NLS-1$
                .append(getSeverityString(PessimisticNullAnalysisForFreeTypeVariables));
        buf.append("\n\t- report unsafe nonnull return from legacy method: ") //$NON-NLS-1$
                .append(getSeverityString(NonNullTypeVariableFromLegacyInvocation));
        buf.append("\n\t- unlikely argument type for collection methods: ") //$NON-NLS-1$
                .append(getSeverityString(UnlikelyCollectionMethodArgumentType));
        buf.append("\n\t- unlikely argument type for collection methods, strict check against expected type: ") //$NON-NLS-1$
                .append(this.reportUnlikelyCollectionMethodArgumentTypeStrict ? ENABLED : DISABLED);
        buf.append("\n\t- unlikely argument types for equals(): ") //$NON-NLS-1$
                .append(getSeverityString(UnlikelyEqualsArgumentType));
        buf.append("\n\t- API leak: ").append(getSeverityString(APILeak)); //$NON-NLS-1$
        buf.append("\n\t- unstable auto module name: ").append(getSeverityString(UnstableAutoModuleName)); //$NON-NLS-1$
        buf.append("\n\t- SuppressWarnings not fully analysed: ") //$NON-NLS-1$
                .append(getSeverityString(SuppressWarningsNotAnalysed));
        return buf.toString();
    }

    protected void updateSeverity(int irritant, Object severityString) {
        if (ERROR.equals(severityString)) {
            this.errorThreshold.set(irritant);
            this.warningThreshold.clear(irritant);
            this.infoThreshold.clear(irritant);
        } else if (WARNING.equals(severityString)) {
            this.errorThreshold.clear(irritant);
            this.warningThreshold.set(irritant);
            this.infoThreshold.clear(irritant);
        } else if (INFO.equals(severityString)) {
            this.errorThreshold.clear(irritant);
            this.warningThreshold.clear(irritant);
            this.infoThreshold.set(irritant);
        } else if (IGNORE.equals(severityString)) {
            this.errorThreshold.clear(irritant);
            this.warningThreshold.clear(irritant);
            this.infoThreshold.clear(irritant);
        }
    }

    /** 
     * Note, if you have a LookupEnvironment you should instead ask
     * {@link org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment#usesNullTypeAnnotations()}. */
    public boolean usesNullTypeAnnotations() {
        if (this.useNullTypeAnnotations != null)
            return this.useNullTypeAnnotations;
        return this.isAnnotationBasedNullAnalysisEnabled && this.sourceLevel >= ClassFileConstants.JDK1_8;
    }
}