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positionTable.h

This is the verbatim text of the positionTable.h include file.

/* Sun-$Revision: 23.5 $ */

/* Copyright 1992-9 Sun Microsystems, Inc. and Stanford University.
   See the LICENSE file for license information. */

# pragma interface

class ByteCodePositionTable: public AbstractByteCode {
 public:
  
  // instance variables
  objVectorOop positions;

  fint codeIndex;
  fint maxCodeIndex;

  // constructor
  ByteCodePositionTable()
  : AbstractByteCode() {
    maxCodeIndex = 50;
    codeIndex = 0;
    positions= Memory->objVectorObj->cloneSize(maxCodeIndex);
  }
  
  oop Finish() {
    if (!ResolveBranches())
      return ErrorCodes::general_prim_error(errorMessage);
    return positions->cloneSize(codeIndex);
  }

  // helpers
  
  bool isPositionTable() { return true; }
  
  void GenCode(fint offset, fint length, fint c);
  
  fint bci() { return codeIndex; }
  
  // preserve operation
  void oops_do(oopsDoFn f) {     
    AbstractByteCode::oops_do(f);
    (*f)((oop*)&positions); }
};

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