public void retrieve(JCCompilationUnit unit) {
   this.unit = unit;
   pretty.visitTopLevel(unit);
   ceylonLineMap = unit.getLineMap();
   javaLineMap = Position.makeLineMap(writer.toCharArray(), writer.toCharArray().length, false);
   for (Integer ceylonPosition : ceylonToJavaPositions.keySet()) {
     if (ceylonPosition != Position.NOPOS) {
       int ceylonLine = ceylonLineMap.getLineNumber(ceylonPosition);
       for (Integer javaPosition : ceylonToJavaPositions.get(ceylonPosition)) {
         int javaLine = javaLineMap.getLineNumber(javaPosition);
         Set<Integer> set = null;
         if (!ceylonToJavaLines.containsKey(ceylonLine)) {
           set = new TreeSet<Integer>();
           ceylonToJavaLines.put(ceylonLine, set);
         } else {
           set = ceylonToJavaLines.get(ceylonLine);
         }
         set.add(javaLine);
       }
     }
   }
 }
Example #2
0
  private JCCompilationUnit ceylonParse(JavaFileObject filename, CharSequence readSource) {
    if (ceylonEnter.hasRun())
      throw new RunTwiceException(
          "Trying to load new source file after CeylonEnter has been called: " + filename);
    try {
      ModuleManager moduleManager = phasedUnits.getModuleManager();
      ModuleSourceMapper moduleSourceMapper = phasedUnits.getModuleSourceMapper();
      File sourceFile = new File(filename.getName());
      // FIXME: temporary solution
      VirtualFile file = vfs.getFromFile(sourceFile);
      VirtualFile srcDir = vfs.getFromFile(getSrcDir(sourceFile));

      String source = readSource.toString();
      char[] chars = source.toCharArray();
      LineMap map = Position.makeLineMap(chars, chars.length, false);

      PhasedUnit phasedUnit = null;

      PhasedUnit externalPhasedUnit = compilerDelegate.getExternalSourcePhasedUnit(srcDir, file);

      String suppressWarnings = options.get(Option.CEYLONSUPPRESSWARNINGS);
      final EnumSet<Warning> suppressedWarnings;
      if (suppressWarnings != null) {
        if (suppressWarnings.trim().isEmpty()) {
          suppressedWarnings = EnumSet.allOf(Warning.class);
        } else {
          suppressedWarnings = EnumSet.noneOf(Warning.class);
          for (String name : suppressWarnings.trim().split(" *, *")) {
            suppressedWarnings.add(Warning.valueOf(name));
          }
        }
      } else {
        suppressedWarnings = EnumSet.noneOf(Warning.class);
      }

      if (externalPhasedUnit != null) {
        phasedUnit = new CeylonPhasedUnit(externalPhasedUnit, filename, map);
        phasedUnit.setSuppressedWarnings(suppressedWarnings);
        phasedUnits.addPhasedUnit(externalPhasedUnit.getUnitFile(), phasedUnit);
        gen.setMap(map);

        String pkgName = phasedUnit.getPackage().getQualifiedNameString();
        if ("".equals(pkgName)) {
          pkgName = null;
        }
        return gen.makeJCCompilationUnitPlaceholder(
            phasedUnit.getCompilationUnit(), filename, pkgName, phasedUnit);
      }
      if (phasedUnit == null) {
        ANTLRStringStream input = new NewlineFixingStringStream(source);
        CeylonLexer lexer = new CeylonLexer(input);

        CommonTokenStream tokens = new CommonTokenStream(lexer);

        CeylonParser parser = new CeylonParser(tokens);
        CompilationUnit cu = parser.compilationUnit();

        java.util.List<LexError> lexerErrors = lexer.getErrors();
        for (LexError le : lexerErrors) {
          printError(le, le.getMessage(), "ceylon.lexer", map);
        }

        java.util.List<ParseError> parserErrors = parser.getErrors();
        for (ParseError pe : parserErrors) {
          printError(pe, pe.getMessage(), "ceylon.parser", map);
        }

        // if we continue and it's not a descriptor, we don't care about errors
        if ((options.get(Option.CEYLONCONTINUE) != null
                && !ModuleManager.MODULE_FILE.equals(sourceFile.getName())
                && !ModuleManager.PACKAGE_FILE.equals(sourceFile.getName()))
            // otherwise we care about errors
            || (lexerErrors.size() == 0 && parserErrors.size() == 0)) {
          // FIXME: this is bad in many ways
          String pkgName = getPackage(filename);
          // make a Package with no module yet, we will resolve them later
          /*
           * Stef: see javadoc for findOrCreateModulelessPackage() for why this is here.
           */
          com.redhat.ceylon.model.typechecker.model.Package p =
              modelLoader.findOrCreateModulelessPackage(pkgName == null ? "" : pkgName);
          phasedUnit =
              new CeylonPhasedUnit(
                  file,
                  srcDir,
                  cu,
                  p,
                  moduleManager,
                  moduleSourceMapper,
                  ceylonContext,
                  filename,
                  map);
          phasedUnit.setSuppressedWarnings(suppressedWarnings);
          phasedUnits.addPhasedUnit(file, phasedUnit);
          gen.setMap(map);

          return gen.makeJCCompilationUnitPlaceholder(cu, filename, pkgName, phasedUnit);
        }
      }
    } catch (RuntimeException e) {
      throw e;
    } catch (Exception e) {
      throw new RuntimeException(e);
    }

    JCCompilationUnit result =
        make.TopLevel(List.<JCAnnotation>nil(), null, List.<JCTree>of(make.Erroneous()));
    result.sourcefile = filename;
    return result;
  }