Пример #1
0
  /**
   * @ast method
   * @aspect GenerateClassfile
   * @declaredat /home/uoji/JastAddJ/Java1.4Backend/GenerateClassfile.jrag:142
   */
  public void generateClassfile() {
    super.generateClassfile();
    String fileName = destinationPath() + File.separator + constantPoolName() + ".class";
    if (options().verbose()) System.out.println("Writing class file to " + fileName);
    try {
      ConstantPool cp = constantPool();
      // force building of constant pool
      cp.addClass(constantPoolName());
      cp.addClass("java/lang/Object");
      for (int i = 0; i < getNumSuperInterfaceId(); i++) {
        cp.addClass(getSuperInterfaceId(i).type().constantPoolName());
      }
      for (Iterator iter = bcFields().iterator(); iter.hasNext(); ) {
        FieldDeclaration field = (FieldDeclaration) iter.next();
        cp.addUtf8(field.name());
        cp.addUtf8(field.type().typeDescriptor());
        field.attributes();
      }
      for (Iterator iter = bcMethods().iterator(); iter.hasNext(); ) {
        Object obj = iter.next();
        if (obj instanceof MethodDecl) {
          MethodDecl m = (MethodDecl) obj;
          cp.addUtf8(m.name());
          cp.addUtf8(m.descName());
          m.attributes();
        }
      }
      attributes();

      if (hasClinit()) {
        cp.addUtf8("<clinit>");
        cp.addUtf8("()V");
        clinit_attributes();
      }

      // actual classfile generation
      File dest = new File(fileName);
      File parentFile = dest.getParentFile();
      if (parentFile != null) parentFile.mkdirs();

      FileOutputStream f = new FileOutputStream(fileName);
      DataOutputStream out = new DataOutputStream(new BufferedOutputStream(f));
      out.writeInt(magicHeader());
      out.writeChar(minorVersion());
      out.writeChar(majorVersion());
      cp.emit(out);
      int flags = flags();
      if (isNestedType()) flags = mangledFlags(flags);
      if (isInterfaceDecl()) flags |= Modifiers.ACC_INTERFACE;
      out.writeChar(flags);
      out.writeChar(cp.addClass(constantPoolName()));
      out.writeChar(cp.addClass("java/lang/Object"));
      if (getNumSuperInterfaceId() == 1 && getSuperInterfaceId(0).type().isObject())
        out.writeChar(0);
      else out.writeChar(getNumSuperInterfaceId());
      for (int i = 0; i < getNumSuperInterfaceId(); i++) {
        TypeDecl typeDecl = getSuperInterfaceId(i).type();
        if (typeDecl.isInterfaceDecl()) out.writeChar(cp.addClass(typeDecl.constantPoolName()));
      }
      Collection fields = bcFields();
      out.writeChar(fields.size());
      for (Iterator iter = fields.iterator(); iter.hasNext(); ) {
        FieldDeclaration field = (FieldDeclaration) iter.next();
        out.writeChar(field.flags());
        out.writeChar(cp.addUtf8(field.name()));
        out.writeChar(cp.addUtf8(field.type().typeDescriptor()));
        out.writeChar(field.attributes().size());
        for (Iterator itera = field.attributes().iterator(); itera.hasNext(); )
          ((Attribute) itera.next()).emit(out);
      }
      Collection methods = bcMethods();
      out.writeChar(methods.size() + (hasClinit() ? 1 : 0));
      for (Iterator iter = methods.iterator(); iter.hasNext(); ) {
        BodyDecl b = (BodyDecl) iter.next();
        b.generateMethod(out, cp);
      }
      if (hasClinit()) {
        out.writeChar(Modifiers.ACC_STATIC);
        out.writeChar(cp.addUtf8("<clinit>"));
        out.writeChar(cp.addUtf8("()V"));
        out.writeChar(clinit_attributes().size());
        for (Iterator itera = clinit_attributes().iterator(); itera.hasNext(); )
          ((Attribute) itera.next()).emit(out);
      }
      out.writeChar(attributes().size());
      for (Iterator itera = attributes().iterator(); itera.hasNext(); )
        ((Attribute) itera.next()).emit(out);

      out.close();
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
Пример #2
0
  @Override
  protected ClassDecl contributeBody(
      ClassDecl decl, ImportManager importManager, TreeClassDescriptor[] arg) {
    importManager.addImports(
        listOf(
            importDecl(qualifiedName("org.jlato.internal.bu")).setOnDemand(true),
            importDecl(qualifiedName("org.jlato.internal.bu.coll")).setOnDemand(true),
            importDecl(qualifiedName("org.jlato.internal.bu.decl")).setOnDemand(true),
            importDecl(qualifiedName("org.jlato.internal.bu.expr")).setOnDemand(true),
            importDecl(qualifiedName("org.jlato.internal.bu.name")).setOnDemand(true),
            importDecl(qualifiedName("org.jlato.internal.bu.stmt")).setOnDemand(true),
            importDecl(qualifiedName("org.jlato.internal.bu.type")).setOnDemand(true),
            importDecl(qualifiedName("org.jlato.internal.parser.Token")),
            importDecl(qualifiedName("org.jlato.internal.parser.TokenType")),
            importDecl(qualifiedName("org.jlato.tree.Problem.Severity")),
            importDecl(qualifiedName("org.jlato.parser.ParseException")),
            importDecl(qualifiedName("org.jlato.tree.expr.AssignOp")),
            importDecl(qualifiedName("org.jlato.tree.expr.BinaryOp")),
            importDecl(qualifiedName("org.jlato.tree.expr.UnaryOp")),
            importDecl(qualifiedName("org.jlato.tree.decl.ModifierKeyword")),
            importDecl(qualifiedName("org.jlato.tree.type.Primitive"))));

    List<GProduction> allProductions = productions.getAll();

    int memoizedProductionCount = MEMOIZE_ALL_MATCHES ? allProductions.size() : 0;
    if (!MEMOIZE_ALL_MATCHES) {
      for (GProduction production : allProductions) {
        if (production.memoizeMatches) memoizedProductionCount++;
      }
    }

    NodeList<MemberDecl> members = Trees.emptyList();
    members =
        members.append(
            memberDecl(
                    "protected int memoizedProductionCount() { return "
                        + memoizedProductionCount
                        + "; }")
                .build());

    for (GProduction production : allProductions) {
      if (excluded(production)) continue;

      parseMethods = parseMethods.append(parseMethod(importManager, production));
    }

    for (MethodDecl parseMethod : parseMethods) {
      members = members.append(parseMethod);

      String id = parseMethod.name().id();
      int indexOfUnderscore = id.indexOf('_');
      String symbol =
          id.substring("parse".length(), indexOfUnderscore == -1 ? id.length() : indexOfUnderscore);

      List<MethodDecl> methods = perSymbolMatchMethods.get(symbol);
      if (methods != null) {
        Collections.sort(methods, (m1, m2) -> m1.name().id().compareTo(m2.name().id()));
        members = members.appendAll(listOf(methods));
      }
    }

    return decl.withMembers(members);
  }