| /******************************************************************************* |
| * Copyright (c) 2000, 2017 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 |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.env; |
| |
| import java.util.Arrays; |
| |
| import org.eclipse.jdt.internal.compiler.lookup.ModuleBinding; |
| import org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding; |
| |
| public class NameEnvironmentAnswer { |
| |
| // only one of the four can be set |
| IBinaryType binaryType; |
| ICompilationUnit compilationUnit; |
| ISourceType[] sourceTypes; |
| ReferenceBinding binding; |
| |
| AccessRestriction accessRestriction; |
| char[] moduleName; // set by name environment |
| public ModuleBinding moduleBinding; // updated by LookupEnvironment |
| String externalAnnotationPath; // should be an absolute file system path |
| |
| public NameEnvironmentAnswer(IBinaryType binaryType, AccessRestriction accessRestriction) { |
| this(binaryType, accessRestriction, binaryType.getModule()); |
| } |
| |
| public NameEnvironmentAnswer(IBinaryType binaryType, AccessRestriction accessRestriction, char[] module) { |
| this.binaryType = binaryType; |
| this.accessRestriction = accessRestriction; |
| this.moduleName = module; |
| } |
| public NameEnvironmentAnswer(ICompilationUnit compilationUnit, AccessRestriction accessRestriction) { |
| this(compilationUnit, accessRestriction, compilationUnit.getModuleName()); |
| } |
| public NameEnvironmentAnswer(ICompilationUnit compilationUnit, AccessRestriction accessRestriction, char[] module) { |
| this.compilationUnit = compilationUnit; |
| this.accessRestriction = accessRestriction; |
| this.moduleName = module; |
| } |
| |
| public NameEnvironmentAnswer(ISourceType[] sourceTypes, AccessRestriction accessRestriction, String externalAnnotationPath, char[] module) { |
| this.sourceTypes = sourceTypes; |
| this.accessRestriction = accessRestriction; |
| this.externalAnnotationPath = externalAnnotationPath; |
| this.moduleName = module; |
| } |
| |
| public NameEnvironmentAnswer(ReferenceBinding binding, ModuleBinding module) { |
| this.binding = binding; |
| this.moduleBinding = module; |
| } |
| |
| @Override |
| public String toString() { |
| String baseString = ""; //$NON-NLS-1$ |
| if (this.binaryType != null) { |
| char[] fileNameChars = this.binaryType.getFileName(); |
| String fileName = fileNameChars == null ? "" : new String(fileNameChars); //$NON-NLS-1$ |
| baseString = "IBinaryType " + fileName; //$NON-NLS-1$ |
| } |
| if (this.compilationUnit != null) { |
| baseString = "ICompilationUnit " + this.compilationUnit.toString(); //$NON-NLS-1$ |
| } |
| if (this.sourceTypes != null) { |
| baseString = Arrays.toString(this.sourceTypes); |
| } |
| if (this.accessRestriction != null) { |
| baseString += " " + this.accessRestriction.toString(); //$NON-NLS-1$ |
| } |
| if (this.externalAnnotationPath != null) { |
| baseString += " extPath=" + this.externalAnnotationPath.toString(); //$NON-NLS-1$ |
| } |
| if (this.moduleName != null) { |
| baseString += " module=" + String.valueOf(this.moduleName); //$NON-NLS-1$ |
| } |
| return baseString; |
| } |
| |
| /** |
| * Returns the associated access restriction, or null if none. |
| */ |
| public AccessRestriction getAccessRestriction() { |
| return this.accessRestriction; |
| } |
| |
| public void setBinaryType(IBinaryType newType) { |
| this.binaryType = newType; |
| } |
| |
| /** |
| * Answer the resolved binary form for the type or null if the receiver represents a compilation unit or source |
| * type. |
| */ |
| public IBinaryType getBinaryType() { |
| return this.binaryType; |
| } |
| |
| /** |
| * Answer the compilation unit or null if the |
| * receiver represents a binary or source type. |
| */ |
| public ICompilationUnit getCompilationUnit() { |
| return this.compilationUnit; |
| } |
| |
| public String getExternalAnnotationPath() { |
| return this.externalAnnotationPath; |
| } |
| |
| /** |
| * Answer the unresolved source forms for the type or null if the |
| * receiver represents a compilation unit or binary type. |
| * |
| * Multiple source forms can be answered in case the originating compilation unit did contain |
| * several type at once. Then the first type is guaranteed to be the requested type. |
| */ |
| public ISourceType[] getSourceTypes() { |
| return this.sourceTypes; |
| } |
| |
| /** |
| * Answer the resolved compiler binding that was late found during askForName(). |
| */ |
| public ReferenceBinding getResolvedBinding() { |
| return this.binding; |
| } |
| |
| /** |
| * Answer whether the receiver contains the resolved binary form of the type. |
| */ |
| public boolean isBinaryType() { |
| return this.binaryType != null; |
| } |
| |
| /** |
| * Answer whether the receiver contains the compilation unit which defines the type. |
| */ |
| public boolean isCompilationUnit() { |
| return this.compilationUnit != null; |
| } |
| |
| /** |
| * Answer whether the receiver contains the unresolved source form of the type. |
| */ |
| public boolean isSourceType() { |
| return this.sourceTypes != null; |
| } |
| |
| /** |
| * Answer whether the receiver contains the resolved compiler binding of the type. |
| */ |
| public boolean isResolvedBinding() { |
| return this.binding != null; |
| } |
| |
| public boolean ignoreIfBetter() { |
| return this.accessRestriction != null && this.accessRestriction.ignoreIfBetter(); |
| } |
| |
| /** |
| * Name of the module to which the CU in this answer is associated. |
| * {@code null} when associated to the unnamed module. |
| * @return module name or {@code null} |
| */ |
| public char[] moduleName() { |
| return this.moduleName; |
| } |
| |
| /* |
| * Returns whether this answer is better than the other awswer. |
| * (accessible is better than discouraged, which is better than |
| * non-accessible) |
| */ |
| public boolean isBetter(NameEnvironmentAnswer otherAnswer) { |
| if (otherAnswer == null) return true; |
| if (this.accessRestriction == null) return true; |
| return otherAnswer.accessRestriction != null |
| && this.accessRestriction.getProblemId() < otherAnswer.accessRestriction.getProblemId(); |
| } |
| } |