src/org/eclipse/jdt/internal/compiler/problem/AbortCompilation.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.compiler.problem;
  12
  13 import org.eclipse.jdt.core.compiler.IProblem;
  14 import org.eclipse.jdt.internal.compiler.CompilationResult;
  15 import org.eclipse.jdt.internal.compiler.ast.ASTNode;
  16 import org.eclipse.jdt.internal.compiler.lookup.InvocationSite;
  17
  18 /*
  19  * Special unchecked exception type used
  20  * to abort from the compilation process
  21  *
  22  * should only be thrown from within problem handlers.
  23  */
  24 public class AbortCompilation extends RuntimeException {
  25
  26         public CompilationResult compilationResult;
  27         public Throwable exception;
  28         public IProblem problem;
  29
  30         /* special fields used to abort silently (e.g. when cancelling build process) */
  31         public boolean isSilent;
  32         public RuntimeException silentException;
  33
  34         private static final long serialVersionUID = -2047226595083244852L; // backward compatible
  35
  36         public AbortCompilation() {
  37                 // empty
  38         }
  39
  40         public AbortCompilation(CompilationResult compilationResult, IProblem problem) {
  41                 this();
  42                 this.compilationResult = compilationResult;
  43                 this.problem = problem;
  44         }
  45
  46         public AbortCompilation(CompilationResult compilationResult, Throwable exception) {
  47                 this();
  48                 this.compilationResult = compilationResult;
  49                 this.exception = exception;
  50         }
  51
  52         public AbortCompilation(boolean isSilent, RuntimeException silentException) {
  53                 this();
  54                 this.isSilent = isSilent;
  55                 this.silentException = silentException;
  56         }
  57
  58         public void updateContext(InvocationSite invocationSite, CompilationResult unitResult) {
  59                 if (this.problem == null) return;
  60                 if (this.problem.getSourceStart() != 0 || this.problem.getSourceEnd() != 0) return;
  61                 this.problem.setSourceStart(invocationSite.sourceStart());
  62                 this.problem.setSourceEnd(invocationSite.sourceEnd());
  63                 this.problem.setSourceLineNumber(ProblemHandler.searchLineNumber(unitResult.lineSeparatorPositions, invocationSite.sourceStart()));
  64                 this.compilationResult = unitResult;
  65         }
  66
  67         public void updateContext(ASTNode astNode, CompilationResult unitResult) {
  68                 if (this.problem == null) return;
  69                 if (this.problem.getSourceStart() != 0 || this.problem.getSourceEnd() != 0) return;
  70                 this.problem.setSourceStart(astNode.sourceStart());
  71                 this.problem.setSourceEnd(astNode.sourceEnd());
  72                 this.problem.setSourceLineNumber(ProblemHandler.searchLineNumber(unitResult.lineSeparatorPositions, astNode.sourceStart()));
  73                 this.compilationResult = unitResult;
  74         }
  75 }