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| package edu.rice.cs.dynamicjava.interpreter; |
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| import java.io.PrintWriter; |
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| import java.util.ArrayList; |
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| import java.util.List; |
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| import koala.dynamicjava.tree.SourceInfo; |
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| import edu.rice.cs.plt.collect.CollectUtil; |
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| import edu.rice.cs.plt.iter.IterUtil; |
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| import edu.rice.cs.plt.iter.SizedIterable; |
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| |
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| public class CompositeException extends InterpreterException { |
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| private final SizedIterable<InterpreterException> _exceptions; |
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0
| public CompositeException(Iterable<? extends InterpreterException> exceptions) {
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0
| super(extractCause(exceptions));
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| _exceptions = IterUtil.snapshot(exceptions);
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| } |
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| |
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| private static InterpreterException extractCause(Iterable<? extends InterpreterException> exceptions) {
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| return IterUtil.isEmpty(exceptions) ? null : IterUtil.first(exceptions);
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| } |
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| |
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| public void printUserMessage(PrintWriter out) {
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| out.println(_exceptions.size() + " errors:");
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0
| for (InterpreterException e : _exceptions) {
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| out.println();
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| if (e instanceof SourceInfo.Wrapper) { out.println(((SourceInfo.Wrapper) e).getSourceInfo()); }
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| else { out.println("[Unknown location]"); }
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| e.printUserMessage(out);
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| } |
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| } |
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| |
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| public SizedIterable<InterpreterException> exceptions() { return _exceptions; }
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| public static InterpreterException make(Iterable<? extends InterpreterException> errors) {
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| List<InterpreterException> normalized = new ArrayList<InterpreterException>();
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| for (InterpreterException e : errors) {
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| if (e instanceof CompositeException) {
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| CollectUtil.addAll(normalized, ((CompositeException) e).exceptions());
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| } |
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0
| else { normalized.add(e); }
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| } |
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0
| return new CompositeException(normalized);
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| } |
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| } |
