Java Expression类代码示例

import com.sun.tools.corba.se.idl.constExpr.Expression; //导入依赖的package包/类
/**
 *
 **/
private void writeType (String indent, String name, SymtabEntry type, PrintWriter stream)
{
  if (type instanceof PrimitiveEntry)
  {
    // RJB does something have to be done with TC offsets?
    if (type.name ().equals ("long long"))
      stream.println (indent + name + " (org.omg.CORBA.ORB.init ().get_primitive_tc (org.omg.CORBA.TCKind.tk_longlong));");
    else if (type.name ().equals ("unsigned short"))
      stream.println (indent + name + " (org.omg.CORBA.ORB.init ().get_primitive_tc (org.omg.CORBA.TCKind.tk_ushort));");
    else if (type.name ().equals ("unsigned long"))
      stream.println (indent + name + " (org.omg.CORBA.ORB.init ().get_primitive_tc (org.omg.CORBA.TCKind.tk_ulong));");
    else if (type.name ().equals ("unsigned long long"))
      stream.println (indent + name + " (org.omg.CORBA.ORB.init ().get_primitive_tc (org.omg.CORBA.TCKind.tk_ulonglong));");
    else
      stream.println (indent + name + " (org.omg.CORBA.ORB.init ().get_primitive_tc (org.omg.CORBA.TCKind.tk_" + type.name () + "));");
  }
  else if (type instanceof StringEntry)
  {
    StringEntry s = (StringEntry)type;
    Expression e  = s.maxSize ();
    if (e == null)
      stream.println (indent + name + " (org.omg.CORBA.ORB.init ().create_" + type.name () + "_tc (" + Util.parseExpression (e) + "));");
   else
      stream.println (indent + name + " (org.omg.CORBA.ORB.init ().create_" + type.name () + "_tc (0));");
  }
  else
    stream.println (indent + name + '(' + Util.helperName (type, true) + ".type ());"); // <d61056>
}
 

import com.sun.tools.corba.se.idl.constExpr.Expression; //导入依赖的package包/类
public int type (int index, String indent, TCOffsets tcoffsets, String name, SymtabEntry entry, PrintWriter stream) {
  int offsetOfType = tcoffsets.offset (entry.type ().fullName ());
  if (offsetOfType >= 0)
  {
    // This is a recursive sequence
    tcoffsets.set (null);

    // Need to fix later: how to get repositoryId of IDL type containing this sequence?
    // entry.repositoryID().ID() returns empty string and
    // Util.javaQualifiedName(entry) returns internal name which is not valid repId

    stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_recursive_tc (" + "\"\"" + ");");
    tcoffsets.bumpCurrentOffset (4); // add indirection field
  }
  else
  {
    // This is a normal sequence
    tcoffsets.set (entry);
    index = ((JavaGenerator)entry.type ().generator ()).type (index + 1, indent, tcoffsets, name, entry.type (), stream);
    Expression maxSize = ((SequenceEntry)entry).maxSize ();
    if (maxSize == null)
      stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_sequence_tc (0, " + name + ");");
    else
      stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_sequence_tc (" + Util.parseExpression (maxSize) + ", " + name + ");");
  }
  //stream.println (indent + name + " = " + Util.helperName (entry, true) + ".type ();"); // <d61056>
  return index;
}
 

import com.sun.tools.corba.se.idl.constExpr.Expression; //导入依赖的package包/类
/**
 *
 **/
private Vector vectorizeLabels (Vector branchVector, boolean useIntsForEnums )
{
  Vector mergedLabels = new Vector ();
  Enumeration branches = branchVector.elements ();
  while (branches.hasMoreElements ())
  {
    UnionBranch branch = (UnionBranch)branches.nextElement ();
    Enumeration labels = branch.labels.elements ();
    while (labels.hasMoreElements ())
    {
      Expression expr = (Expression)labels.nextElement ();
      String str ;

      if (unionIsEnum)
        if (useIntsForEnums)
          str = typePackage + "_" + Util.parseExpression( expr ) ;
        else
          str = typePackage + Util.parseExpression( expr ) ;
      else
        str = Util.parseExpression( expr ) ;

      mergedLabels.addElement (str);
    }
  }
  return mergedLabels;
}
 

import com.sun.tools.corba.se.idl.constExpr.Expression; //导入依赖的package包/类
/**
 *
 **/
private int writeNonBoolean (String disName, int index, String indent, String name, UnionEntry u, PrintWriter stream)
{
  SymtabEntry utype = Util.typeOf (u.type ());
  if (utype instanceof EnumEntry)
    stream.println (indent + "switch (" + name + ".discriminator ().value ())");
  else
    stream.println (indent + "switch (" + name + ".discriminator ())");
  stream.println (indent + "{");
  String typePackage = Util.javaQualifiedName (utype) + '.';
  Enumeration e = u.branches ().elements ();
  while (e.hasMoreElements ())
  {
    UnionBranch branch = (UnionBranch)e.nextElement ();
    Enumeration labels = branch.labels.elements ();
    while (labels.hasMoreElements ())
    {
      Expression label = (Expression)labels.nextElement ();
      if (utype instanceof EnumEntry)
      {
        String key = Util.parseExpression (label);
        stream.println (indent + "  case " + typePackage + '_' + key + ":");
      }
      else
        stream.println (indent + "  case " + cast (label, utype) + ':');
    }
    if (!branch.typedef.equals (u.defaultBranch ()))
    {
      index = writeBranch (index, indent + "    ", name, branch.typedef, stream);
      stream.println (indent + "    break;");
    }
  }
  if (u.defaultBranch () != null) {
    stream.println (indent + "  default:");
    index = writeBranch (index, indent + "    ", name, u.defaultBranch (), stream);
    stream.println (indent + "    break;");
  }
  stream.println (indent + "}");
  return index;
}
 

import com.sun.tools.corba.se.idl.constExpr.Expression; //导入依赖的package包/类
boolean has (Expression label)
{
  Enumeration eBranches = _branches.elements ();
  while (eBranches.hasMoreElements ())
  {
    Enumeration eLabels = ((UnionBranch)eBranches.nextElement ()).labels.elements ();
    while (eLabels.hasMoreElements ())
    {
      Expression exp = (Expression)eLabels.nextElement ();
      if (exp.equals (label) || exp.value ().equals (label.value ()))
        return true;
    }
  }
  return false;
}