org.eclipse.jdt.internal.compiler.problem.AbortCompilation.java Source code

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Here is the source code for org.eclipse.jdt.internal.compiler.problem.AbortCompilation.java

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/*******************************************************************************
 * Copyright (c) 2000, 2009 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.problem;

import org.eclipse.jdt.core.compiler.CategorizedProblem;
import org.eclipse.jdt.internal.compiler.CompilationResult;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.lookup.InvocationSite;
import org.eclipse.jdt.internal.compiler.util.Util;

/*
 * Special unchecked exception type used
 * to abort from the compilation process
 *
 * should only be thrown from within problem handlers.
 */
public class AbortCompilation extends RuntimeException {

    public CompilationResult compilationResult;
    public Throwable exception;
    public CategorizedProblem problem;

    /* special fields used to abort silently (e.g. when canceling build process) */
    public boolean isSilent;
    public RuntimeException silentException;

    private static final long serialVersionUID = -2047226595083244852L; // backward compatible

    public AbortCompilation() {
        // empty
    }

    public AbortCompilation(CompilationResult compilationResult, CategorizedProblem problem) {
        this();
        this.compilationResult = compilationResult;
        this.problem = problem;
    }

    public AbortCompilation(CompilationResult compilationResult, Throwable exception) {
        this();
        this.compilationResult = compilationResult;
        this.exception = exception;
    }

    public AbortCompilation(boolean isSilent, RuntimeException silentException) {
        this();
        this.isSilent = isSilent;
        this.silentException = silentException;
    }

    @Override
    public String getMessage() {
        String message = super.getMessage();
        StringBuffer buffer = new StringBuffer(message == null ? Util.EMPTY_STRING : message);
        if (this.problem != null) {
            buffer.append(this.problem);
        } else if (this.exception != null) {
            message = this.exception.getMessage();
            buffer.append(message == null ? Util.EMPTY_STRING : message);
        } else if (this.silentException != null) {
            message = this.silentException.getMessage();
            buffer.append(message == null ? Util.EMPTY_STRING : message);
        }
        return String.valueOf(buffer);
    }

    public void updateContext(InvocationSite invocationSite, CompilationResult unitResult) {
        if (this.problem == null)
            return;
        if (this.problem.getSourceStart() != 0 || this.problem.getSourceEnd() != 0)
            return;
        this.problem.setSourceStart(invocationSite.sourceStart());
        this.problem.setSourceEnd(invocationSite.sourceEnd());
        int[] lineEnds = unitResult.getLineSeparatorPositions();
        this.problem.setSourceLineNumber(
                Util.getLineNumber(invocationSite.sourceStart(), lineEnds, 0, lineEnds.length - 1));
        this.compilationResult = unitResult;
    }

    public void updateContext(ASTNode astNode, CompilationResult unitResult) {
        if (this.problem == null)
            return;
        if (this.problem.getSourceStart() != 0 || this.problem.getSourceEnd() != 0)
            return;
        this.problem.setSourceStart(astNode.sourceStart());
        this.problem.setSourceEnd(astNode.sourceEnd());
        int[] lineEnds = unitResult.getLineSeparatorPositions();
        this.problem
                .setSourceLineNumber(Util.getLineNumber(astNode.sourceStart(), lineEnds, 0, lineEnds.length - 1));
        this.compilationResult = unitResult;
    }

    public String getKey() {
        StringBuffer buffer = new StringBuffer();
        if (this.problem != null) {
            buffer.append(this.problem);
        }
        return String.valueOf(buffer);
    }
}