Esempio n. 1
0
  /**
   * Parse a method declaration. The declaration should be in the following format:
   *
   * <p>fully-qualified-method-name (args)
   *
   * <p>where the arguments are comma separated and all arguments other than primitives should have
   * fully qualified names. Arrays are indicating by trailing brackets. For example:
   *
   * <p>int int[] int[][] java.lang.String java.util.Date[]
   *
   * <p>The arguments are translated into BCEL types and a MethodDef is returned.
   */
  private MethodDef parse_method(StrTok st) {

    // Get the method name
    String method_name = st.need_word();

    // Get the opening paren
    st.need("(");

    // Read the arguments
    ArrayList<String> args = new ArrayList<String>();
    String tok = st.nextToken();
    if (tok != ")") {
      st.pushBack();
      do {
        tok = st.need_word();
        args.add(tok);
      } while (st.nextToken() == ",");
      st.pushBack();
      st.need(")");
    }

    // Convert the arguments to Type
    Type[] targs = new Type[args.size()];
    for (int ii = 0; ii < args.size(); ii++) {
      targs[ii] = BCELUtil.classname_to_type(args.get(ii));
    }

    return new MethodDef(method_name, targs);
  }
Esempio n. 2
0
  public void dump(PrintWriter out, PrintWriter outLinkInfo) {

    int i;

    out.println("//");
    out.println("//\t" + classRefAddress + ": " + clazz.getClassName() + " class info");
    out.println("//");
    out.println("\t\t" + instSize + ",\t//\tinstance size");
    for (i = 0; i < clft.len; ++i) {
      if (!clft.isStatic[i]) {
        out.println("\t\t\t\t//\t" + clft.idx[i] + " " + clft.key[i]);
      }
    }
    // link info: class addresses
    outLinkInfo.println(
        "class " + clazz.getClassName() + " " + methodsAddress + " " + cpoolAddress);
    outLinkInfo.println(" -instSize " + instSize);

    out.println("\t\t" + staticValueVarAddress + ",\t//\tpointer to static primitive fields");
    if (instSize > 31) {
      System.err.println("Error: Object of " + clazz.getClassName() + " to big! Size=" + instSize);
      System.exit(-1);
    }
    out.println("\t\t" + instGCinfo + ",\t//\tinstance GC info");

    String supname = "null";
    int superAddr = 0;
    if (superClass != null) {
      supname = superClass.clazz.getClassName();
      superAddr = ((JopClassInfo) appInfo.cliMap.get(supname)).classRefAddress;
    }
    if (!clazz.isInterface()) {
      out.println("\t\t" + superAddr + ",\t//\tpointer to super class - " + supname);
      // link info: super address
      outLinkInfo.println(" -super " + superAddr);
    } else {
      out.println("\t\t" + (-interfaceID) + ",\t//\tinterface ID");
    }

    boolean useSuperInterfaceTable = false;
    if ((iftableAddress == 0) && (superClass != null)) {
      iftableAddress = ((JopClassInfo) appInfo.cliMap.get(supname)).iftableAddress;
      useSuperInterfaceTable = true;
    }
    out.println("\t\t" + iftableAddress + ",\t//\tpointer to interface table");

    if (!clazz.isInterface()) {
      out.println("//");
      out.println("//\t" + methodsAddress + ": " + clazz.getClassName() + " method table");
      out.println("//");

      int addr = methodsAddress;
      for (i = 0; i < clvt.len; i++) {
        clvt.mi[i].dumpMethodStruct(out, addr);
        outLinkInfo.println(" -mtab " + clvt.mi[i].getFQMethodName() + " " + addr);
        addr += ClassStructConstants.METH_STR;
      }
    } else {
      out.println("//");
      out.println("//\tno method table for interfaces");
      out.println("//");
    }

    out.println();
    out.println("\t\t" + classRefAddress + ",\t//\tpointer back to class struct (cp-1)");
    out.println();

    out.println("//");
    out.println("//\t" + cpoolAddress + ": " + clazz.getClassName() + " constants");
    out.println("//");

    // link info: constant pool mapping
    for (Entry<Integer, Integer> entry : cpoolMap.entrySet()) {
      outLinkInfo.println(" -constmap " + entry.getKey() + " " + entry.getValue());
    }

    // constant pool length includes the length field
    // same is true for the index in the bytecodes:
    // The lowest constant has index 1.
    out.println("\t\t" + (cpoolArry.length + 1) + ",\t//\tconst pool length");
    out.println();
    for (i = 0; i < cpoolArry.length; ++i) {
      out.println("\t\t" + cpoolArry[i] + ",\t//\t" + cpoolComments[i]);
    }

    if (iftableAddress != 0 && !useSuperInterfaceTable) {

      out.println("//");
      out.println(
          "//\t"
              + (iftableAddress - (interfaceCnt + 31) / 32)
              + ": "
              + clazz.getClassName()
              + " implements table");
      out.println("//");
      for (i = (interfaceCnt + 31) / 32 - 1; i >= 0; i--) {
        String comment = "";
        int word = 0;
        int j;
        for (j = 31; j >= 0; j--) {
          word <<= 1;
          if ((i * 32 + j) < interfaceCnt) {
            if (implementsInterface(interfaceList.get(i * 32 + j))) {
              word |= 1;
              comment += interfaceList.get(i * 32 + j) + ", ";
            }
            ;
          }
        }
        out.println("\t\t" + word + ",\t//\t" + comment);
      }

      out.println("//");
      out.println("//\t" + iftableAddress + ": " + clazz.getClassName() + " interface table");
      out.println("//");
      if (!clazz.isInterface()) {
        out.println("//\tTODO: is it enough to use methodId as key???");
        out.println("//");
        for (i = 0; i < listIT.size(); ++i) {
          IT it = (IT) listIT.get(i);
          int j;
          for (j = 0; j < clvt.len; j++) {
            if (clvt.key[j].equals(it.key)) {
              break;
            }
          }
          if (j != clvt.len) {
            out.print("\t\t" + (methodsAddress + j * ClassStructConstants.METH_STR) + ",");
          } else {
            out.print("\t\t" + 0 + ",\t");
          }
          out.println("\t//\t" + it.meth.methodId);
        }
      }
    }
  }