openflow build environment setup

openflow/include/clicktool/landmarkt.hh

@@ -0,0 +1,180 @@
+#ifndef CLICKTOOL_LANDMARKT_HH
+#define CLICKTOOL_LANDMARKT_HH 1
+#include <click/string.hh>
+#include <click/vector.hh>
+class LandmarkSetT;
+
+class LandmarkT { public:
+
+    inline LandmarkT();
+    inline LandmarkT(const String &filename, unsigned lineno);
+    //inline LandmarkT(LandmarkSetT *lset, unsigned offset);
+    inline LandmarkT(LandmarkSetT *lset, unsigned offset1, unsigned offset2);
+    inline LandmarkT(const LandmarkT &o);
+    inline ~LandmarkT();
+
+    static void static_initialize();
+
+    static const LandmarkT &empty_landmark();
+
+    typedef String (LandmarkT::*unspecified_bool_type)() const;
+    inline operator unspecified_bool_type() const;
+
+    String str() const;
+    operator String() const;
+    String decorated_str() const;
+
+    unsigned offset1() const		{ return _offset1; }
+    unsigned offset2() const		{ return _offset2; }
+
+    inline LandmarkT &operator=(const LandmarkT &o);
+
+    enum { noffset = (unsigned) -1 };
+
+  private:
+
+    LandmarkSetT *_lset;
+    unsigned _offset1;
+    unsigned _offset2;
+
+    static LandmarkT *empty;
+
+};
+
+class LandmarkSetT { public:
+
+    LandmarkSetT();
+    LandmarkSetT(const String &filename, unsigned lineno);
+
+    inline void ref();
+    inline void unref();
+
+    String offset_to_string(unsigned offset) const;
+    String offset_to_decorated_string(unsigned offset1, unsigned offset2) const;
+    void new_line(unsigned offset, const String &filename, unsigned lineno);
+
+    struct LandmarkInfo {
+	unsigned end_offset;
+	int filename;
+	unsigned lineno;
+
+	LandmarkInfo(unsigned o, int f, unsigned l)
+	    : end_offset(o), filename(f), lineno(l) {
+	}
+    };
+
+  private:
+
+    int _refcount;
+    Vector<LandmarkInfo> _linfo;
+    Vector<String> _fnames;
+
+    LandmarkSetT(const LandmarkSetT &);
+    ~LandmarkSetT();
+    LandmarkSetT &operator=(const LandmarkSetT &);
+
+    static LandmarkSetT *the_empty_set;
+    friend class LandmarkT;
+
+};
+
+inline void
+LandmarkSetT::ref()
+{
+    assert(_refcount >= 1);
+    ++_refcount;
+}
+
+inline void
+LandmarkSetT::unref()
+{
+    assert(_refcount >= 1);
+    if (--_refcount == 0)
+	delete this;
+}
+
+inline
+LandmarkT::LandmarkT()
+    : _lset(empty->_lset), _offset1(noffset), _offset2(noffset)
+{
+    _lset->ref();
+}
+
+inline
+LandmarkT::LandmarkT(const String &filename, unsigned lineno = 0)
+    : _lset(new LandmarkSetT(filename, lineno)), _offset1(noffset), _offset2(noffset)
+{
+}
+
+#if 0
+inline
+LandmarkT::LandmarkT(LandmarkSetT *lset, unsigned offset)
+    : _lset(lset), _offset1(offset), _offset2(offset)
+{
+    _lset->ref();
+}
+#endif
+
+inline
+LandmarkT::LandmarkT(LandmarkSetT *lset, unsigned offset1, unsigned offset2)
+    : _lset(lset), _offset1(offset1), _offset2(offset2)
+{
+    _lset->ref();
+}
+
+inline
+LandmarkT::LandmarkT(const LandmarkT &lm)
+    : _lset(lm._lset), _offset1(lm._offset1), _offset2(lm._offset2)
+{
+    _lset->ref();
+}
+
+inline
+LandmarkT::~LandmarkT()
+{
+    _lset->unref();
+}
+
+inline const LandmarkT &
+LandmarkT::empty_landmark()
+{
+    assert(empty);
+    return *empty;
+}
+
+inline LandmarkT &
+LandmarkT::operator=(const LandmarkT &lm)
+{
+    lm._lset->ref();
+    _lset->unref();
+    _lset = lm._lset;
+    _offset1 = lm._offset1;
+    _offset2 = lm._offset2;
+    return *this;
+}
+
+inline
+LandmarkT::operator unspecified_bool_type() const
+{
+    return _lset != empty->_lset ? &LandmarkT::str : 0;
+}
+
+inline String
+LandmarkT::str() const
+{
+    return _lset->offset_to_string(_offset1);
+}
+
+inline
+LandmarkT::operator String() const
+{
+    return _lset->offset_to_string(_offset1);
+}
+
+inline String
+LandmarkT::decorated_str() const
+{
+    return _lset->offset_to_decorated_string(_offset1, _offset2);
+}
+
+#endif