| /******************************************************************************* |
| * Copyright (c) 2000, 2009 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.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; |
| } |
| 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); |
| } |
| } |