org.eclipse.jdt.internal.compiler.env.NameEnvironmentAnswer Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of ecj Show documentation
This is Eclipse JDT Core Batch Compiler used by Scout SDK
The newest version!
/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.compiler.env;

public class NameEnvironmentAnswer {

	// only one of the three can be set
	IBinaryType binaryType;
	ICompilationUnit compilationUnit;
	ISourceType[] sourceTypes;
	AccessRestriction accessRestriction;
	String externalAnnotationPath; // should be an absolute file system path

	public NameEnvironmentAnswer(IBinaryType binaryType, AccessRestriction accessRestriction) {
		this.binaryType = binaryType;
		this.accessRestriction = accessRestriction;
	}

	public NameEnvironmentAnswer(ICompilationUnit compilationUnit, AccessRestriction accessRestriction) {
		this.compilationUnit = compilationUnit;
		this.accessRestriction = accessRestriction;
	}

	public NameEnvironmentAnswer(ISourceType[] sourceTypes, AccessRestriction accessRestriction, String externalAnnotationPath) {
		this.sourceTypes = sourceTypes;
		this.accessRestriction = accessRestriction;
		this.externalAnnotationPath = externalAnnotationPath;
	}
	/**
	 * Returns the associated access restriction, or null if none.
	 */
	public AccessRestriction getAccessRestriction() {
		return this.accessRestriction;
	}
	/**
	 * 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 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;
	}

	public boolean ignoreIfBetter() {
		return this.accessRestriction != null && this.accessRestriction.ignoreIfBetter();
	}

	/*
	 * 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();
	}
}