Exemplo n.º 1
0
  /*
   * Compiler crash recovery in case of unexpected runtime exceptions
   */
  protected void handleInternalException(
      Throwable internalException, CompilationUnitDeclaration unit, CompilationResult result) {

    if (result == null && unit != null) {
      result = unit.compilationResult; // current unit being processed ?
    }
    // Lookup environment may be in middle of connecting types
    if (result == null && this.lookupEnvironment.unitBeingCompleted != null) {
      result = this.lookupEnvironment.unitBeingCompleted.compilationResult;
    }
    if (result == null) {
      synchronized (this) {
        if (this.unitsToProcess != null && this.totalUnits > 0)
          result = this.unitsToProcess[this.totalUnits - 1].compilationResult;
      }
    }
    // last unit in beginToCompile ?

    boolean needToPrint = true;
    if (result != null) {
      /* create and record a compilation problem */
      // only keep leading portion of the trace
      String[] pbArguments =
          new String[] {
            Messages.bind(
                Messages.compilation_internalError, Util.getExceptionSummary(internalException)),
          };

      result.record(
          this.problemReporter.createProblem(
              result.getFileName(),
              IProblem.Unclassified,
              pbArguments,
              pbArguments,
              Error, // severity
              0, // source start
              0, // source end
              0, // line number
              0), // column number
          unit);

      /* hand back the compilation result */
      if (!result.hasBeenAccepted) {
        this.requestor.acceptResult(result.tagAsAccepted());
        needToPrint = false;
      }
    }
    if (needToPrint) {
      /* dump a stack trace to the console */
      internalException.printStackTrace();
    }
  }
Exemplo n.º 2
0
  /*
   * Compiler recovery in case of internal AbortCompilation event
   */
  protected void handleInternalException(
      AbortCompilation abortException, CompilationUnitDeclaration unit) {

    /* special treatment for SilentAbort: silently cancelling the compilation process */
    if (abortException.isSilent) {
      if (abortException.silentException == null) {
        return;
      }
      throw abortException.silentException;
    }

    /* uncomment following line to see where the abort came from */
    // abortException.printStackTrace();

    // Exception may tell which compilation result it is related, and which problem caused it
    CompilationResult result = abortException.compilationResult;
    if (result == null && unit != null) {
      result = unit.compilationResult; // current unit being processed ?
    }
    // Lookup environment may be in middle of connecting types
    if (result == null && this.lookupEnvironment.unitBeingCompleted != null) {
      result = this.lookupEnvironment.unitBeingCompleted.compilationResult;
    }
    if (result == null) {
      synchronized (this) {
        if (this.unitsToProcess != null && this.totalUnits > 0)
          result = this.unitsToProcess[this.totalUnits - 1].compilationResult;
      }
    }
    // last unit in beginToCompile ?
    if (result != null && !result.hasBeenAccepted) {
      /* distant problem which could not be reported back there? */
      if (abortException.problem != null) {
        recordDistantProblem:
        {
          CategorizedProblem distantProblem = abortException.problem;
          CategorizedProblem[] knownProblems = result.problems;
          for (int i = 0; i < result.problemCount; i++) {
            if (knownProblems[i] == distantProblem) { // already recorded
              break recordDistantProblem;
            }
          }
          if (distantProblem
              instanceof
              DefaultProblem) { // fixup filename TODO (philippe) should improve API to make this
                                // official
            ((DefaultProblem) distantProblem).setOriginatingFileName(result.getFileName());
          }
          result.record(distantProblem, unit);
        }
      } else {
        /* distant internal exception which could not be reported back there */
        if (abortException.exception != null) {
          this.handleInternalException(abortException.exception, null, result);
          return;
        }
      }
      /* hand back the compilation result */
      if (!result.hasBeenAccepted) {
        this.requestor.acceptResult(result.tagAsAccepted());
      }
    } else {
      abortException.printStackTrace();
    }
  }