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vcg.h

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#ifdef J_BREEZE
#include "j_breeze.h"
#else
#include "c_breeze.h"
#endif // 

// "abstract" class to generate input for vcg.
// subclass this class so generate special output eg. callgraph, class
// hierarchy, etc.
class vcgWalker: public Walker {

protected:  // -- local types

  typedef list<string> strings;

  ostream& graph; // the output file

  strings   exclude; // nodes to exclude from the graph; read in from file.
#ifdef J_BREEZE
  type_list current_type;
#endif // 
  bool      currently_excluded; // whether we are currently in a context (type,
                                // proc etc) that is to be excluded

public:   // -- constructors and destructors

  vcgWalker(ostream& ostr, const string& comment, string excludefilename);
  virtual ~vcgWalker(void) { finalize_graph(); }

protected:
#ifdef J_BREEZE
  // is type to be excluded?
  bool excluded(typeNode *type);
#else
  // is type to be excluded?
  bool excluded(procNode *proc);
  bool excluded(Coord coord);
#endif // 

private:
#ifdef J_BREEZE
  virtual void at_type(typeNode *type, Order order);
#else
  virtual void at_proc(procNode *proc, Order order);
#endif // 

protected:   // -- other methods

  inline void start_graph() {
    graph << "graph: {"  << endl;
  }

  virtual void finalize_graph() {
    // Close the graph.
    graph << endl;
    graph << "} // end of graph" << endl;
  } // finalize_graph


  void print_comment(const string& comment = "");

  void print_graph_attribute(const string& attribute, const string& value);

  void print_node_attribute(const string& attribute, const string& value);
  void print_node_attribute(const string& attribute, int value);

  void print_node_value(const string& attribute, const string& value);
}; // vcgWalker

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