Beispiel #1
0
 void uncaughtType(Type t, Position pos) throws SemanticException {
   SemanticException e =
       new SemanticException(
           codeType
               + " cannot throw a \""
               + t
               + "\"; the exception must either be caught or declared to be thrown.",
           pos);
   Map<String, Object> map = CollectionFactory.newHashMap();
   map.put(CodedErrorInfo.ERROR_CODE_KEY, CodedErrorInfo.ERROR_CODE_SURROUND_THROW);
   map.put("TYPE", t.toString());
   e.setAttributes(map);
   throw e;
 }
  /**
   * Run all jobs in the work list (and any children they have) to completion. This method returns
   * <code>true</code> if all jobs were successfully completed. If all jobs were successfully
   * completed, then the worklist will be empty.
   *
   * <p>The scheduling of <code>Job</code>s uses two methods to maintain scheduling invariants:
   * <code>selectJobFromWorklist</code> selects a <code>SourceJob</code> from <code>worklist</code>
   * (a list of jobs that still need to be processed); <code>enforceInvariants</code> is called
   * before a pass is performed on a <code>SourceJob</code> and is responsible for ensuring all
   * dependencies are satisfied before the pass proceeds, i.e. enforcing any scheduling invariants.
   */
  public boolean runToCompletion() {
    boolean okay = true;

    while (okay && !worklist.isEmpty()) {
      SourceJob job = selectJobFromWorklist();

      if (Report.should_report(Report.frontend, 1)) {
        Report.report(1, "Running job " + job);
      }

      okay &= runAllPasses(job);

      if (job.completed()) {
        // the job has finished. Let's remove it from the map so it
        // can be garbage collected, and free up the AST.
        jobs.put(job.source(), COMPLETED_JOB);

        if (Report.should_report(Report.frontend, 1)) {
          Report.report(1, "Completed job " + job);
        }
      } else {
        // the job is not yet completed (although, it really
        // should be...)
        if (Report.should_report(Report.frontend, 1)) {
          Report.report(1, "Failed to complete job " + job);
        }
        worklist.add(job);
      }
    }

    if (Report.should_report(Report.frontend, 1))
      Report.report(1, "Finished all passes -- " + (okay ? "okay" : "failed"));

    return okay;
  }
  /**
   * Add a new <code>SourceJob</code> for the <code>Source source</code>, with AST <code>ast</code>.
   * A new job will be created if needed. If the <code>Source source</code> has already been
   * processed, and its job discarded to release resources, then <code>null</code> will be returned.
   */
  public SourceJob addJob(Source source, Node ast) {
    Object o = jobs.get(source);
    SourceJob job = null;
    if (o == COMPLETED_JOB) {
      // the job has already been completed.
      // We don't need to add a job
      return null;
    } else if (o == null) {
      // No appropriate job yet exists, we will create one.

      job = this.createSourceJob(source, ast);

      // record the job in the map and the worklist.
      jobs.put(source, job);
      worklist.addLast(job);

      if (Report.should_report(Report.frontend, 3)) {
        Report.report(3, "Adding job for " + source + " at the " + "request of job " + currentJob);
      }
    } else {
      job = (SourceJob) o;
    }

    // if the current source job caused this job to load, record the
    // dependency.
    if (currentJob instanceof SourceJob) {
      ((SourceJob) currentJob).addDependency(source);
    }

    return job;
  }
Beispiel #4
0
  JLCInfo getJLCInfo(String typeSystemKey) {
    // Check if already set.
    JLCInfo jlc = (JLCInfo) jlcInfoCache.get(typeSystemKey);

    if (jlc != null) {
      return jlc;
    }

    jlc = new JLCInfo();
    jlcInfoCache.put(typeSystemKey, jlc);

    try {
      int mask = 0;

      for (int i = 0; i < fields.length; i++) {
        if (fields[i].name().equals("jlc$SourceLastModified$" + typeSystemKey)) {
          jlc.sourceLastModified = fields[i].getLong();
          mask |= 1;
        } else if (fields[i].name().equals("jlc$CompilerVersion$" + typeSystemKey)) {
          jlc.compilerVersion = fields[i].getString();
          mask |= 2;
        } else if (fields[i].name().equals("jlc$ClassType$" + typeSystemKey)) {
          // there is encoded class type information.
          StringBuffer encodedClassTypeInfo = new StringBuffer(fields[i].getString());
          // check to see if there are more fields.
          int seeking = 1;
          boolean found;
          do {
            found = false;
            String suffix = ("$" + seeking);
            String seekingFieldName = "jlc$ClassType$" + typeSystemKey + suffix;
            for (int j = 0; j < fields.length; j++) {
              if (fields[j].name().equals(seekingFieldName)) {
                encodedClassTypeInfo.append(fields[j].getString());
                found = true;
                seeking++;
                break;
              }
            }
          } while (found);
          jlc.encodedClassType = encodedClassTypeInfo.toString();
          mask |= 4;
        }
      }

      if (mask != 7) {
        // Not all the information is there.  Reset to default.
        jlc.sourceLastModified = 0;
        jlc.compilerVersion = null;
        jlc.encodedClassType = null;
      }
    } catch (SemanticException e) {
      jlc.sourceLastModified = 0;
      jlc.compilerVersion = null;
      jlc.encodedClassType = null;
    }

    return jlc;
  }
Beispiel #5
0
 /** Initialize the <code>passes</code> field and the <code>passMap</code> field. */
 protected void init() {
   passes = new ArrayList(getPasses());
   passMap = new HashMap();
   for (int i = 0; i < passes.size(); i++) {
     Pass pass = (Pass) passes.get(i);
     passMap.put(pass.id(), new Integer(i));
   }
 }