asynchronous animation binding

panda/src/chan/Sources.pp

@@ -20,7 +20,10 @@
     animChannelScalarTable.I animChannelScalarTable.h \
     animControl.I animControl.N  \
     animControl.h animControlCollection.I  \
-    animControlCollection.h animGroup.I animGroup.h auto_bind.h  \
+    animControlCollection.h animGroup.I animGroup.h \
+    animPreloadTable.I animPreloadTable.h \
+    auto_bind.h  \
+    bindAnimRequest.I bindAnimRequest.h \
     config_chan.h \
     movingPart.I movingPart.h \
     movingPartBase.I movingPartBase.h  \
@@ -43,7 +46,10 @@
     animChannelScalarDynamic.cxx \
     animChannelScalarTable.cxx \
     animControl.cxx  \
-    animControlCollection.cxx animGroup.cxx auto_bind.cxx  \
+    animControlCollection.cxx animGroup.cxx \
+    animPreloadTable.cxx \
+    auto_bind.cxx  \
+    bindAnimRequest.cxx \
     config_chan.cxx movingPartBase.cxx movingPartMatrix.cxx  \
     movingPartScalar.cxx partBundle.cxx \
     partBundleHandle.cxx \
@@ -64,7 +70,11 @@
     animChannelScalarTable.I animChannelScalarTable.h \
     animControl.I animControl.h \
     animControlCollection.I animControlCollection.h animGroup.I \
-    animGroup.h auto_bind.h config_chan.h \
+    animGroup.h \
+    animPreloadTable.I animPreloadTable.h \
+    auto_bind.h  \
+    bindAnimRequest.I bindAnimRequest.h \
+    config_chan.h \
     movingPart.I movingPart.h movingPartBase.I \
     movingPartBase.h movingPartMatrix.I movingPartMatrix.h \
     movingPartScalar.I movingPartScalar.h partBundle.I partBundle.h \

panda/src/chan/animBundleNode.cxx

@@ -45,6 +45,38 @@ safe_to_flatten() const {
   return false;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: AnimBundleNode::find_anim_bundle
+//       Access: Published, Static
+//  Description: Recursively walks the scene graph beginning at the
+//               indicated node (which need not be an AnimBundleNode),
+//               and returns the first AnimBundle found.  Returns NULL
+//               if no AnimBundle can be found.
+////////////////////////////////////////////////////////////////////
+AnimBundle *AnimBundleNode::
+find_anim_bundle(PandaNode *root) {
+  nassertr(root != (PandaNode *)NULL, NULL);
+
+  if (root->is_of_type(AnimBundleNode::get_class_type())) {
+    AnimBundleNode *anode = DCAST(AnimBundleNode, root);
+    AnimBundle *anim = anode->get_bundle();
+    if (anim != (AnimBundle *)NULL) {
+      return anim;
+    }
+  }
+
+  Children cr = root->get_children();
+  int num_children = cr.get_num_children();
+  for (int i = 0; i < num_children; i++) {
+    AnimBundle *anim = find_anim_bundle(cr.get_child(i));
+    if (anim != (AnimBundle *)NULL) {
+      return anim;
+    }
+  }
+
+  return NULL;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: AnimBundleNode::register_with_read_factory
 //       Access: Public, Static

panda/src/chan/animBundleNode.h

@@ -42,6 +42,8 @@ public:
 
 PUBLISHED:
   INLINE AnimBundle *get_bundle() const;
+  
+  static AnimBundle *find_anim_bundle(PandaNode *root);
 
 private:
   PT(AnimBundle) _bundle;

panda/src/chan/animControl.I

@@ -13,6 +13,33 @@
 ////////////////////////////////////////////////////////////////////
 
 
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::is_pending
+//       Access: Published
+//  Description: Returns true if the AnimControl is being bound
+//               asynchronously, and has not yet finished.  If this is
+//               true, the AnimControl's interface is still available
+//               and will be perfectly useful (though get_anim() might
+//               return NULL), but nothing visible will happen
+//               immediately.
+////////////////////////////////////////////////////////////////////
+INLINE bool AnimControl::
+is_pending() const {
+  return _pending;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::has_anim
+//       Access: Published
+//  Description: Returns true if the AnimControl was successfully
+//               loaded, or false if there was a problem.  This may
+//               return false while is_pending() is true.
+////////////////////////////////////////////////////////////////////
+INLINE bool AnimControl::
+has_anim() const {
+  return (_anim != (AnimBundle *)NULL);
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: AnimControl::get_anim
 //       Access: Published
@@ -56,3 +83,41 @@ INLINE const BitArray &AnimControl::
 get_bound_joints() const {
   return _bound_joints;
 }
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::set_anim_model
+//       Access: Published
+//  Description: Associates the indicated PandaNode with the
+//               AnimControl.  By convention, this node represents the
+//               root node of the model file that corresponds to this
+//               AnimControl's animation file, though nothing in this
+//               code makes this assumption or indeed does anything
+//               with this node.
+//
+//               The purpose of this is simply to allow the
+//               AnimControl to keep a reference count on the
+//               ModelRoot node that generated it, so that the model
+//               will not disappear from the model pool until it is no
+//               longer referenced.
+////////////////////////////////////////////////////////////////////
+INLINE void AnimControl::
+set_anim_model(PandaNode *model) {
+  _anim_model = model;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::get_anim_model
+//       Access: Published
+//  Description: Retrieves the pointer set via set_anim_model().  See
+//               set_anim_model().
+////////////////////////////////////////////////////////////////////
+INLINE PandaNode *AnimControl::
+get_anim_model() const {
+  return _anim_model;
+}
+
+INLINE ostream &
+operator << (ostream &out, const AnimControl &control) {
+  control.output(out);
+  return out;
+}

panda/src/chan/animControl.cxx

@@ -17,29 +17,81 @@
 #include "partBundle.h"
 #include "config_chan.h"
 #include "dcast.h"
+#include "mutexHolder.h"
+#include "throw_event.h"
 
 TypeHandle AnimControl::_type_handle;
 
 ////////////////////////////////////////////////////////////////////
 //     Function: AnimControl::Constructor
 //       Access: Public
-//  Description:
+//  Description: This constructor is used to create a temporarily
+//               uninitialized AnimControl that will serve as a
+//               placeholder for an animation while the animation is
+//               being loaded during an asynchronous load-and-bind
+//               operation.
 ////////////////////////////////////////////////////////////////////
 AnimControl::
-AnimControl(PartBundle *part, AnimBundle *anim, int channel_index,
-            const BitArray &bound_joints) {
+AnimControl(const string &name, PartBundle *part, 
+            double frame_rate, int num_frames) :
+  Namable(name)
+{
 #ifdef DO_MEMORY_USAGE
   MemoryUsage::update_type(this, get_class_type());
 #endif
 
+  _pending = true;
   _part = part;
+  _anim = NULL;
+  _channel_index = -1;
+  set_frame_rate(frame_rate);
+  set_num_frames(num_frames);
+
+  _marked_frame = -1;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::setup_anim
+//       Access: Public
+//  Description: This can only be called once for a given AnimControl.
+//               It is used to supply the AnimBundle and related
+//               information.
+////////////////////////////////////////////////////////////////////
+void AnimControl::
+setup_anim(PartBundle *part, AnimBundle *anim, int channel_index, 
+           const BitArray &bound_joints) {
+  MutexHolder holder(_pending_lock);
+  nassertv(_pending && part == _part);
+  nassertv(_anim == (AnimBundle *)NULL);
   _anim = anim;
   _channel_index = channel_index;
   _bound_joints = bound_joints;
   set_frame_rate(_anim->get_base_frame_rate());
   set_num_frames(_anim->get_num_frames());
 
+  // Now the AnimControl is fully set up.
   _marked_frame = -1;
+  _pending = false;
+  if (!_pending_done_event.empty()) {
+    throw_event(_pending_done_event);
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::fail_anim
+//       Access: Public
+//  Description: This can only be called once for a given AnimControl.
+//               It indicates the attempt to bind it asynchronously
+//               has failed.
+////////////////////////////////////////////////////////////////////
+void AnimControl::
+fail_anim(PartBundle *part) {
+  MutexHolder holder(_pending_lock);
+  nassertv(_pending && part == _part);
+  _pending = false;
+  if (!_pending_done_event.empty()) {
+    throw_event(_pending_done_event);
+  }
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -52,6 +104,35 @@ AnimControl::
   get_part()->set_control_effect(this, 0.0f);
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::set_pending_done_event
+//       Access: Published
+//  Description: Specifies an event name that will be thrown when the
+//               AnimControl is finished binding asynchronously.  If
+//               the AnimControl has already finished binding, the
+//               event will be thrown immediately.
+////////////////////////////////////////////////////////////////////
+void AnimControl::
+set_pending_done_event(const string &done_event) {
+  MutexHolder holder(_pending_lock);
+  _pending_done_event = done_event;
+  if (!_pending) {
+    throw_event(_pending_done_event);
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimControl::get_pending_done_event
+//       Access: Published
+//  Description: Returns the event name that will be thrown when the
+//               AnimControl is finished binding asynchronously.
+////////////////////////////////////////////////////////////////////
+string AnimControl::
+get_pending_done_event() const {
+  MutexHolder holder(_pending_lock);
+  return _pending_done_event;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: AnimControl::get_part
 //       Access: Published
@@ -70,10 +151,16 @@ get_part() const {
 ////////////////////////////////////////////////////////////////////
 void AnimControl::
 output(ostream &out) const {
-  out << "AnimControl(" << get_part()->get_name()
-      << ", " << get_anim()->get_name() << ": ";
+  out << "AnimControl(" << get_name() << ", " << get_part()->get_name()
+      << ": ";
   AnimInterface::output(out);
   out << ")";
+
+  if (is_pending()) {
+    out << " (pending bind)";
+  } else if (!has_anim()) {
+    out << " (failed bind)";
+  }
 }
 
 ////////////////////////////////////////////////////////////////////

panda/src/chan/animControl.h

@@ -21,8 +21,10 @@
 #include "animBundle.h"
 #include "partGroup.h"
 #include "bitArray.h"
-
-#include "referenceCount.h"
+#include "pandaNode.h"
+#include "typedReferenceCount.h"
+#include "namable.h"
+#include "pmutex.h"
 
 class PartBundle;
 class AnimChannelBase;
@@ -35,19 +37,30 @@ class AnimChannelBase;
 //               animation: whether started, stopped, or looping, and
 //               the current frame number and play rate.
 ////////////////////////////////////////////////////////////////////
-class EXPCL_PANDA_CHAN AnimControl : public ReferenceCount, public AnimInterface {
+class EXPCL_PANDA_CHAN AnimControl : public TypedReferenceCount, public AnimInterface, public Namable {
 public:
-  AnimControl(PartBundle *part, AnimBundle *anim, int channel_index,
-              const BitArray &bound_joints);
+  AnimControl(const string &name, PartBundle *part, 
+              double frame_rate, int num_frames);
+  void setup_anim(PartBundle *part, AnimBundle *anim, int channel_index,
+                  const BitArray &bound_joints);
+  void fail_anim(PartBundle *part);
 
 PUBLISHED:
   virtual ~AnimControl();
 
+  INLINE bool is_pending() const;
+  INLINE bool has_anim() const;
+  void set_pending_done_event(const string &done_event);
+  string get_pending_done_event() const;
+
   PartBundle *get_part() const;
   INLINE AnimBundle *get_anim() const;
   INLINE int get_channel_index() const;
   INLINE const BitArray &get_bound_joints() const;
 
+  INLINE void set_anim_model(PandaNode *model);
+  INLINE PandaNode *get_anim_model() const;
+
   virtual void output(ostream &out) const;
 
 public:
@@ -65,6 +78,10 @@ private:
   // This is a PT(PartGroup) instead of a PT(PartBundle), just because
   // we can't include partBundle.h for circular reasons.  But it
   // actually keeps a pointer to a PartBundle.
+  bool _pending;
+  string _pending_done_event;
+  Mutex _pending_lock;  // protects the above two.
+
   PT(PartGroup) _part;
   PT(AnimBundle) _anim;
   int _channel_index;
@@ -80,15 +97,22 @@ private:
   // get_bound_joints().
   BitArray _bound_joints;
 
+  PT(PandaNode) _anim_model;
+
 public:
+  virtual TypeHandle get_type() const {
+    return get_class_type();
+  }
+  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
+
   static TypeHandle get_class_type() {
     return _type_handle;
   }
   static void init_type() {
-    ReferenceCount::init_type();
+    TypedReferenceCount::init_type();
     AnimInterface::init_type();
     register_type(_type_handle, "AnimControl",
-                  ReferenceCount::get_class_type(),
+                  TypedReferenceCount::get_class_type(),
                   AnimInterface::get_class_type());
   }
 
@@ -96,6 +120,8 @@ private:
   static TypeHandle _type_handle;
 };
 
+INLINE ostream &operator << (ostream &out, const AnimControl &control);
+
 #include "animControl.I"
 
 #endif

panda/src/chan/animPreloadTable.I

@@ -0,0 +1,86 @@
+// Filename: animPreloadTable.I
+// Created by:  drose (05Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::AnimRecord::Constructor
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE AnimPreloadTable::AnimRecord::
+AnimRecord() {
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::AnimRecord::operator <
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE bool AnimPreloadTable::AnimRecord::
+operator < (const AnimRecord &other) const {
+  return _basename < other._basename;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::get_basename
+//       Access: Published
+//  Description: Returns the basename stored for the nth animation
+//               record.  See find_anim().
+////////////////////////////////////////////////////////////////////
+INLINE string AnimPreloadTable::
+get_basename(int n) const {
+  nassertr(n >= 0 && n < (int)_anims.size(), string());
+  consider_sort();
+  return _anims[n]._basename;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::get_base_frame_rate
+//       Access: Published
+//  Description: Returns the frame rate stored for the nth animation
+//               record.
+////////////////////////////////////////////////////////////////////
+INLINE float AnimPreloadTable::
+get_base_frame_rate(int n) const {
+  nassertr(n >= 0 && n < (int)_anims.size(), 0.0f);
+  consider_sort();
+  return _anims[n]._base_frame_rate;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::get_num_frames
+//       Access: Published
+//  Description: Returns the number of frames stored for the nth
+//               animation record.
+////////////////////////////////////////////////////////////////////
+INLINE int AnimPreloadTable::
+get_num_frames(int n) const {
+  nassertr(n >= 0 && n < (int)_anims.size(), 0);
+  consider_sort();
+  return _anims[n]._num_frames;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::consider_sort
+//       Access: Private
+//  Description: Ensures the table is kept in alphabetical order by
+//               basename.
+////////////////////////////////////////////////////////////////////
+INLINE void AnimPreloadTable::
+consider_sort() const {
+  if (_needs_sort) {
+    ((AnimPreloadTable *)this)->_anims.sort();
+    ((AnimPreloadTable *)this)->_needs_sort = false;
+  }
+}

panda/src/chan/animPreloadTable.cxx

@@ -0,0 +1,240 @@
+// Filename: animPreloadTable.cxx
+// Created by:  drose (05Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#include "animPreloadTable.h"
+
+#include "indent.h"
+#include "datagram.h"
+#include "datagramIterator.h"
+#include "bamReader.h"
+#include "bamWriter.h"
+
+TypeHandle AnimPreloadTable::_type_handle;
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::make_cow_copy
+//       Access: Protected, Virtual
+//  Description: Required to implement CopyOnWriteObject.
+////////////////////////////////////////////////////////////////////
+PT(CopyOnWriteObject) AnimPreloadTable::
+make_cow_copy() {
+  return new AnimPreloadTable(*this);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::Constructor
+//       Access: Published
+//  Description: 
+////////////////////////////////////////////////////////////////////
+AnimPreloadTable::
+AnimPreloadTable() {
+  _needs_sort = false;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::Destructor
+//       Access: Published, Virtual
+//  Description: 
+////////////////////////////////////////////////////////////////////
+AnimPreloadTable::
+~AnimPreloadTable() {
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::get_num_anims
+//       Access: Published
+//  Description: Returns the number of animation records in the table.
+////////////////////////////////////////////////////////////////////
+int AnimPreloadTable::
+get_num_anims() const {
+  return (int)_anims.size();
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::find_anim
+//       Access: Published
+//  Description: Returns the index number in the table of the
+//               animation record with the indicated name, or -1 if
+//               the name is not present.  By convention, the basename
+//               is the filename of the egg or bam file, without the
+//               directory part and without the extension.  That is,
+//               it is Filename::get_basename_wo_extension().
+////////////////////////////////////////////////////////////////////
+int AnimPreloadTable::
+find_anim(const string &basename) const {
+  consider_sort();
+  AnimRecord record;
+  record._basename = basename;
+  Anims::const_iterator ai = _anims.find(record);
+  if (ai != _anims.end()) {
+    return int(ai - _anims.begin());
+  }
+  return -1;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::clear_anims
+//       Access: Published
+//  Description: Removes all animation records from the table.
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+clear_anims() {
+  _anims.clear();
+  _needs_sort = false;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::remove_anim
+//       Access: Published
+//  Description: Removes the nth animation records from the table.
+//               This renumbers indexes for following animations.
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+remove_anim(int n) {
+  nassertv(n >= 0 && n < (int)_anims.size());
+  _anims.erase(_anims.begin() + n);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::add_anim
+//       Access: Published
+//  Description: Adds a new animation record to the table.  If there
+//               is already a record of this name, no operation is
+//               performed (the original record is unchanged).  See
+//               find_anim().  This will invalidate existing index
+//               numbers.
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+add_anim(const string &basename, float base_frame_rate, int num_frames) {
+  AnimRecord record;
+  record._basename = basename;
+  record._base_frame_rate = base_frame_rate;
+  record._num_frames = num_frames;
+
+  _anims.push_back(record);
+  _needs_sort = true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::add_anims_from
+//       Access: Published
+//  Description: Copies the animation records from the other table
+//               into this one.  If a given record name exists in both
+//               tables, the record in this one supercedes.
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+add_anims_from(const AnimPreloadTable *other) {
+  _anims.reserve(_anims.size() + other->_anims.size());
+  Anims::const_iterator ai;
+  for (ai = other->_anims.begin(); ai != other->_anims.end(); ++ai) {
+    _anims.push_back(*ai);
+  }
+  _needs_sort = true;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::output
+//       Access: Published
+//  Description: 
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+output(ostream &out) const {
+  out << "AnimPreloadTable, " << _anims.size() << " animation records.";
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::write
+//       Access: Published
+//  Description: 
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+write(ostream &out, int indent_level) const {
+  indent(out, indent_level)
+    << "AnimPreloadTable, " << _anims.size() << " animation records:\n";
+  consider_sort();
+  Anims::const_iterator ai;
+  for (ai = _anims.begin(); ai != _anims.end(); ++ai) {
+    const AnimRecord &record = (*ai);
+    indent(out, indent_level + 2)
+      << record._basename << ": " << record._num_frames << " frames at "
+      << record._base_frame_rate << " fps\n";
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::register_with_read_factory
+//       Access: Public, Static
+//  Description: Factory method to generate an AnimPreloadTable object
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+register_with_read_factory() {
+  BamReader::get_factory()->register_factory(get_class_type(), make_from_bam);
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::write_datagram
+//       Access: Public
+//  Description: Function to write the important information in
+//               the particular object to a Datagram
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+write_datagram(BamWriter *manager, Datagram &dg) {
+  consider_sort();
+
+  dg.add_uint16(_anims.size());
+  Anims::const_iterator ai;
+  for (ai = _anims.begin(); ai != _anims.end(); ++ai) {
+    const AnimRecord &record = (*ai);
+    dg.add_string(record._basename);
+    dg.add_float32(record._base_frame_rate);
+    dg.add_int32(record._num_frames);
+  }
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::make_from_bam
+//       Access: Protected
+//  Description: Factory method to generate an AnimPreloadTable object
+////////////////////////////////////////////////////////////////////
+TypedWritable *AnimPreloadTable::
+make_from_bam(const FactoryParams &params) {
+  AnimPreloadTable *me = new AnimPreloadTable;
+  DatagramIterator scan;
+  BamReader *manager;
+
+  parse_params(params, scan, manager);
+  me->fillin(scan, manager);
+  return me;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: AnimPreloadTable::fillin
+//       Access: Protected
+//  Description: Function that reads out of the datagram (or asks
+//               manager to read) all of the data that is needed to
+//               re-create this object and stores it in the appropiate
+//               place
+////////////////////////////////////////////////////////////////////
+void AnimPreloadTable::
+fillin(DatagramIterator &scan, BamReader *manager) {
+  int num_anims = scan.get_uint16();
+  _anims.reserve(num_anims);
+  for (int i = 0; i < num_anims; ++i) {
+    AnimRecord record;
+    record._basename = scan.get_string();
+    record._base_frame_rate = scan.get_float32();
+    record._num_frames = scan.get_int32();
+    _anims.push_back(record);
+  }
+}

panda/src/chan/animPreloadTable.h

@@ -0,0 +1,117 @@
+// Filename: animPreloadTable.h
+// Created by:  drose (05Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef ANIMPRELOADTABLE_H
+#define ANIMPRELOADTABLE_H
+
+#include "pandabase.h"
+#include "typedWritableReferenceCount.h"
+#include "ordered_vector.h"
+#include "copyOnWriteObject.h"
+
+class BamWriter;
+class BamReader;
+class Datagram;
+class DatagramIterator;
+class FactoryParams;
+
+////////////////////////////////////////////////////////////////////
+//       Class : AnimPreloadTable
+// Description : This table records data about a list of animations
+//               for a particular model, such as number of frames and
+//               frame rate.  It's used for implementating
+//               asynchronous binding.
+//
+//               This table is normally built by an offline tool, such
+//               as egg-optchar.
+////////////////////////////////////////////////////////////////////
+class EXPCL_PANDA_CHAN AnimPreloadTable : public CopyOnWriteObject {
+public:
+  class AnimRecord {
+  public:
+    INLINE AnimRecord();
+    INLINE bool operator < (const AnimRecord &other) const;
+
+    string _basename;
+    float _base_frame_rate;
+    int _num_frames;
+  };
+
+protected:
+  virtual PT(CopyOnWriteObject) make_cow_copy();
+
+PUBLISHED:
+  AnimPreloadTable();
+  virtual ~AnimPreloadTable();
+
+  int get_num_anims() const;
+  int find_anim(const string &basename) const;
+
+  INLINE string get_basename(int n) const;
+  INLINE float get_base_frame_rate(int n) const;
+  INLINE int get_num_frames(int n) const;
+
+  void clear_anims();
+  void remove_anim(int n);
+  void add_anim(const string &basename, float base_frame_rate, int num_frames);
+  void add_anims_from(const AnimPreloadTable *other);
+
+  virtual void output(ostream &out) const;
+  virtual void write(ostream &out, int indent_level) const;
+
+private:
+  INLINE void consider_sort() const;
+
+public:
+  static void register_with_read_factory();
+  virtual void write_datagram(BamWriter *manager, Datagram &dg);
+  static TypedWritable *make_from_bam(const FactoryParams &params);
+
+protected:
+  void fillin(DatagramIterator &scan, BamReader *manager);
+
+private:
+  typedef ov_set<AnimRecord> Anims;
+  Anims _anims;
+  bool _needs_sort;
+
+public:
+  virtual TypeHandle get_type() const {
+    return get_class_type();
+  }
+  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
+
+  static TypeHandle get_class_type() {
+    return _type_handle;
+  }
+  static void init_type() {
+    CopyOnWriteObject::init_type();
+    register_type(_type_handle, "AnimPreloadTable",
+                  CopyOnWriteObject::get_class_type());
+  }
+
+private:
+  static TypeHandle _type_handle;
+};
+
+inline ostream &operator << (ostream &out, const AnimPreloadTable &anim) {
+  anim.output(out);
+  return out;
+}
+
+#include "animPreloadTable.I"
+
+#endif
+
+

panda/src/chan/bindAnimRequest.I

@@ -0,0 +1,32 @@
+// Filename: bindAnimRequest.I
+// Created by:  drose (05Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: BindAnimRequest::Constructor
+//       Access: Public
+//  Description: 
+////////////////////////////////////////////////////////////////////
+INLINE BindAnimRequest::
+BindAnimRequest(const Filename &filename, const LoaderOptions &options,
+                AnimControl *control, int hierarchy_match_flags,
+                const PartSubset &subset) :
+  ModelLoadRequest(filename, options),
+  _control(control),
+  _hierarchy_match_flags(hierarchy_match_flags),
+  _subset(subset)
+{
+}
+
+  

panda/src/chan/bindAnimRequest.cxx

@@ -0,0 +1,63 @@
+// Filename: bindAnimRequest.cxx
+// Created by:  drose (05Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#include "bindAnimRequest.h"
+#include "animBundleNode.h"
+#include "animControl.h"
+#include "partBundle.h"
+
+TypeHandle BindAnimRequest::_type_handle;
+
+////////////////////////////////////////////////////////////////////
+//     Function: BindAnimRequest::do_task
+//       Access: Protected, Virtual
+//  Description: Performs the task: that is, loads and binds the
+//               animation.
+////////////////////////////////////////////////////////////////////
+bool BindAnimRequest::
+do_task() {
+  ModelLoadRequest::do_task();
+
+  PartBundle *part = _control->get_part();
+
+  if (_control->get_ref_count() == 1) {
+    // We're holding the only remaining reference to this AnimControl.
+    // Therefore, forget the bind attempt; no one cares anyway.
+    _control->fail_anim(part);
+    return false;
+  }
+
+  PT(PandaNode) model = get_model();
+  if (model == (PandaNode *)NULL) {
+    // Couldn't load the file.
+    _control->fail_anim(part);
+    return false;
+  }
+  _control->set_anim_model(model);
+
+  AnimBundle *anim = AnimBundleNode::find_anim_bundle(model);
+  if (anim == (AnimBundle *)NULL) {
+    // No anim bundle.
+    _control->fail_anim(part);
+    return false;
+  }
+
+  if (!part->do_bind_anim(_control, anim, _hierarchy_match_flags, _subset)) {
+    // Couldn't bind.
+    _control->fail_anim(part);
+    return false;
+  }
+
+  return false;
+}

panda/src/chan/bindAnimRequest.h

@@ -0,0 +1,70 @@
+// Filename: bindAnimRequest.h
+// Created by:  drose (05Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef BINDANIMREQUEST
+#define BINDANIMREQUEST
+
+#include "pandabase.h"
+
+#include "modelLoadRequest.h"
+#include "partSubset.h"
+
+class AnimControl;
+
+////////////////////////////////////////////////////////////////////
+//       Class : BindAnimRequest
+// Description : This class object manages an asynchronous
+//               load-and-bind animation request, as issued through
+//               PartBundle::load_bind_anim().
+////////////////////////////////////////////////////////////////////
+class EXPCL_PANDA_PGRAPH BindAnimRequest : public ModelLoadRequest {
+public:
+  ALLOC_DELETED_CHAIN(BindAnimRequest);
+
+PUBLISHED:
+  INLINE BindAnimRequest(const Filename &filename, 
+                         const LoaderOptions &options,
+                         AnimControl *control,
+                         int hierarchy_match_flags,
+                         const PartSubset &subset);
+  
+protected:
+  virtual bool do_task();
+  
+private:
+  PT(AnimControl) _control;
+  int _hierarchy_match_flags;
+  PartSubset _subset;
+  
+public:
+  static TypeHandle get_class_type() {
+    return _type_handle;
+  }
+  static void init_type() {
+    ModelLoadRequest::init_type();
+    register_type(_type_handle, "BindAnimRequest",
+                  ModelLoadRequest::get_class_type());
+  }
+  virtual TypeHandle get_type() const {
+    return get_class_type();
+  }
+  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
+  
+private:
+  static TypeHandle _type_handle;
+};
+
+#include "bindAnimRequest.I"
+
+#endif

panda/src/chan/chan_composite2.cxx

@@ -1,3 +1,5 @@
+#include "animPreloadTable.cxx"
+#include "bindAnimRequest.cxx"
 #include "config_chan.cxx"
 #include "movingPartBase.cxx"
 #include "movingPartMatrix.cxx"

panda/src/chan/config_chan.cxx

@@ -24,6 +24,8 @@
 #include "animChannelScalarDynamic.h"
 #include "animControl.h"
 #include "animGroup.h"
+#include "animPreloadTable.h"
+#include "bindAnimRequest.h"
 #include "movingPartBase.h"
 #include "movingPartMatrix.h"
 #include "movingPartScalar.h"
@@ -86,6 +88,13 @@ PRC_DESC("Set this true to interpolate character animations between frames, "
          "also be changed on a per-character basis with "
          "PartBundle::set_frame_blend_flag()."));
 
+ConfigVariableBool restore_initial_pose
+("restore-initial-pose", true,
+PRC_DESC("When this is true, stopping all animations on an Actor causes it "
+         "to return to its initial, unanimated pose.  When false, it retains "
+         "whatever its last-computed pose was (which may or may not be "
+         "the unanimated pose)."));
+
 
 ConfigureFn(config_chan) {
   AnimBundle::init_type();
@@ -98,6 +107,8 @@ ConfigureFn(config_chan) {
   AnimChannelScalarDynamic::init_type();
   AnimControl::init_type();
   AnimGroup::init_type();
+  AnimPreloadTable::init_type();
+  BindAnimRequest::init_type();
   MovingPartBase::init_type();
   MovingPartMatrix::init_type();
   MovingPartScalar::init_type();
@@ -125,6 +136,7 @@ ConfigureFn(config_chan) {
   AnimChannelMatrixDynamic::register_with_read_factory();
   AnimChannelScalarTable::register_with_read_factory();
   AnimChannelScalarDynamic::register_with_read_factory();
+  AnimPreloadTable::register_with_read_factory();
 }
 
 

panda/src/chan/config_chan.h

@@ -27,5 +27,6 @@ EXPCL_PANDA_CHAN extern ConfigVariableBool compress_channels;
 EXPCL_PANDA_CHAN extern ConfigVariableInt compress_chan_quality;
 EXPCL_PANDA_CHAN extern ConfigVariableBool read_compressed_channels;
 EXPCL_PANDA_CHAN extern ConfigVariableBool interpolate_frames;
+EXPCL_PANDA_CHAN extern ConfigVariableBool restore_initial_pose;
 
 #endif

panda/src/chan/movingPart.I

@@ -116,8 +116,7 @@ output_value(ostream &out) const {
 ////////////////////////////////////////////////////////////////////
 template<class SwitchType>
 void MovingPart<SwitchType>::
-write_datagram(BamWriter *manager, Datagram &me)
-{
+write_datagram(BamWriter *manager, Datagram &me) {
   MovingPartBase::write_datagram(manager, me);
   SwitchType::write_datagram(me, _value);
   SwitchType::write_datagram(me, _initial_value);
@@ -133,8 +132,7 @@ write_datagram(BamWriter *manager, Datagram &me)
 ////////////////////////////////////////////////////////////////////
 template<class SwitchType>
 void MovingPart<SwitchType>::
-fillin(DatagramIterator& scan, BamReader* manager)
-{
+fillin(DatagramIterator &scan, BamReader *manager) {
   MovingPartBase::fillin(scan, manager);
   SwitchType::read_datagram(scan, _value);
   SwitchType::read_datagram(scan, _initial_value);

panda/src/chan/movingPartBase.cxx

@@ -143,9 +143,12 @@ do_update(PartBundle *root, const CycleData *root_cdata, PartGroup *parent,
          !needs_update && bci != cdata->_blend.end();
          ++bci) {
       AnimControl *control = (*bci).first;
+
+      AnimChannelBase *channel = NULL;
       int channel_index = control->get_channel_index();
-      nassertr(channel_index >= 0 && channel_index < (int)_channels.size(), false);
-      AnimChannelBase *channel = _channels[channel_index];
+      if (channel_index >= 0 && channel_index < (int)_channels.size()) {
+        channel = _channels[channel_index];
+      }
       if (channel != (AnimChannelBase*)NULL) {
         needs_update = control->channel_has_changed(channel, cdata->_frame_blend_flag);
       }

panda/src/chan/movingPartMatrix.cxx

@@ -73,18 +73,24 @@ get_blend_value(const PartBundle *root) {
 
   if (cdata->_blend.empty()) {
     // No channel is bound; supply the default value.
-    _value = _initial_value;
+    if (restore_initial_pose) {
+      _value = _initial_value;
+    }
 
   } else if (cdata->_blend.size() == 1 && !cdata->_frame_blend_flag) {
     // A single value, the normal case.
     AnimControl *control = (*cdata->_blend.begin()).first;
 
+    ChannelType *channel = NULL;
     int channel_index = control->get_channel_index();
-    nassertv(channel_index >= 0 && channel_index < (int)_channels.size());
-    ChannelType *channel = DCAST(ChannelType, _channels[channel_index]);
+    if (channel_index >= 0 && channel_index < (int)_channels.size()) {
+      channel = DCAST(ChannelType, _channels[channel_index]);
+    }
     if (channel == (ChannelType *)NULL) {
       // Nothing is actually bound here.
-      _value = _initial_value;
+      if (restore_initial_pose) {
+        _value = _initial_value;
+      }
 
     } else {
       channel->get_value(control->get_frame(), _value);
@@ -131,7 +137,9 @@ get_blend_value(const PartBundle *root) {
         }
         
         if (net == 0.0f) {
-          _value = _initial_value;
+          if (restore_initial_pose) {
+            _value = _initial_value;
+          }
         } else {
           _value /= net;
         }
@@ -157,9 +165,11 @@ get_blend_value(const PartBundle *root) {
           float effect = (*cbi).second;
           nassertv(effect != 0.0f);
           
+          ChannelType *channel = NULL;
           int channel_index = control->get_channel_index();
-          nassertv(channel_index >= 0 && channel_index < (int)_channels.size());
-          ChannelType *channel = DCAST(ChannelType, _channels[channel_index]);
+          if (channel_index >= 0 && channel_index < (int)_channels.size()) {
+            channel = DCAST(ChannelType, _channels[channel_index]);
+          }
           if (channel != (ChannelType *)NULL) {
             int frame = control->get_frame();
             ValueType v;
@@ -195,7 +205,9 @@ get_blend_value(const PartBundle *root) {
         }
         
         if (net == 0.0f) {
-          _value = _initial_value;
+          if (restore_initial_pose) {
+            _value = _initial_value;
+          }
 
         } else {
           _value /= net;
@@ -226,9 +238,11 @@ get_blend_value(const PartBundle *root) {
           float effect = (*cbi).second;
           nassertv(effect != 0.0f);
           
+          ChannelType *channel = NULL;
           int channel_index = control->get_channel_index();
-          nassertv(channel_index >= 0 && channel_index < (int)_channels.size());
-          ChannelType *channel = DCAST(ChannelType, _channels[channel_index]);
+          if (channel_index >= 0 && channel_index < (int)_channels.size()) {
+            channel = DCAST(ChannelType, _channels[channel_index]);
+          }
           if (channel != (ChannelType *)NULL) {
             int frame = control->get_frame();
             LVecBase3f iscale, ihpr, ipos, ishear;
@@ -270,7 +284,9 @@ get_blend_value(const PartBundle *root) {
         }
         
         if (net == 0.0f) {
-          _value = _initial_value;
+          if (restore_initial_pose) {
+            _value = _initial_value;
+          }
 
         } else {
           scale /= net;
@@ -299,9 +315,11 @@ get_blend_value(const PartBundle *root) {
           float effect = (*cbi).second;
           nassertv(effect != 0.0f);
           
+          ChannelType *channel = NULL;
           int channel_index = control->get_channel_index();
-          nassertv(channel_index >= 0 && channel_index < (int)_channels.size());
-          ChannelType *channel = DCAST(ChannelType, _channels[channel_index]);
+          if (channel_index >= 0 && channel_index < (int)_channels.size()) {
+            channel = DCAST(ChannelType, _channels[channel_index]);
+          }
           if (channel != (ChannelType *)NULL) {
             int frame = control->get_frame();
             LVecBase3f iscale, ipos, ishear;
@@ -345,7 +363,9 @@ get_blend_value(const PartBundle *root) {
         }
         
         if (net == 0.0f) {
-          _value = _initial_value;
+          if (restore_initial_pose) {
+            _value = _initial_value;
+          }
 
         } else {
           scale /= net;

panda/src/chan/movingPartScalar.cxx

@@ -58,18 +58,24 @@ get_blend_value(const PartBundle *root) {
 
   if (cdata->_blend.empty()) {
     // No channel is bound; supply the default value.
-    _value = _initial_value;
+    if (restore_initial_pose) {
+      _value = _initial_value;
+    }
 
   } else if (cdata->_blend.size() == 1 && !cdata->_frame_blend_flag) {
     // A single value, the normal case.
     AnimControl *control = (*cdata->_blend.begin()).first;
 
+    ChannelType *channel = NULL;
     int channel_index = control->get_channel_index();
-    nassertv(channel_index >= 0 && channel_index < (int)_channels.size());
-    ChannelType *channel = DCAST(ChannelType, _channels[channel_index]);
+    if (channel_index >= 0 && channel_index < (int)_channels.size()) {
+      channel = DCAST(ChannelType, _channels[channel_index]);
+    }
     if (channel == NULL) {
       // Nothing is actually bound here.
-      _value = _initial_value;
+      if (restore_initial_pose) {
+        _value = _initial_value;
+      }
 
     } else {
       channel->get_value(control->get_frame(), _value);
@@ -86,9 +92,11 @@ get_blend_value(const PartBundle *root) {
       float effect = (*cbi).second;
       nassertv(effect != 0.0f);
 
+      ChannelType *channel = NULL;
       int channel_index = control->get_channel_index();
-      nassertv(channel_index >= 0 && channel_index < (int)_channels.size());
-      ChannelType *channel = DCAST(ChannelType, _channels[channel_index]);
+      if (channel_index >= 0 && channel_index < (int)_channels.size()) {
+        channel = DCAST(ChannelType, _channels[channel_index]);
+      }
       if (channel != NULL) {
         ValueType v;
         channel->get_value(control->get_frame(), v);
@@ -109,7 +117,9 @@ get_blend_value(const PartBundle *root) {
     }
 
     if (net == 0.0f) {
-      _value = _initial_value;
+      if (restore_initial_pose) {
+        _value = _initial_value;
+      }
 
     } else {
       _value /= net;

panda/src/chan/partBundle.I

@@ -13,6 +13,52 @@
 ////////////////////////////////////////////////////////////////////
 
 
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::get_anim_preload
+//       Access: Published
+//  Description: Returns the AnimPreloadTable associated with
+//               the PartBundle.  This table, if present, can be used
+//               for the benefit of load_bind_anim() to allow
+//               asynchronous binding.
+////////////////////////////////////////////////////////////////////
+INLINE CPT(AnimPreloadTable) PartBundle::
+get_anim_preload() const {
+  return _anim_preload.get_read_pointer();
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::modify_anim_preload
+//       Access: Published
+//  Description: Returns a modifiable pointer to the AnimPreloadTable
+//               associated with the PartBundle, if any.
+////////////////////////////////////////////////////////////////////
+INLINE PT(AnimPreloadTable) PartBundle::
+modify_anim_preload() {
+  return _anim_preload.get_write_pointer();
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::set_anim_preload
+//       Access: Published
+//  Description: Replaces the AnimPreloadTable associated with
+//               the PartBundle.
+////////////////////////////////////////////////////////////////////
+INLINE void PartBundle::
+set_anim_preload(AnimPreloadTable *anim_preload) {
+  _anim_preload = anim_preload;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::clear_anim_preload
+//       Access: Published
+//  Description: Removes any AnimPreloadTable associated with
+//               the PartBundle.
+////////////////////////////////////////////////////////////////////
+INLINE void PartBundle::
+clear_anim_preload() {
+  _anim_preload = NULL;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PartBundle::set_blend_type
 //       Access: Published

panda/src/chan/partBundle.cxx

@@ -15,7 +15,10 @@
 
 #include "partBundle.h"
 #include "animBundle.h"
+#include "animBundleNode.h"
 #include "animControl.h"
+#include "loader.h"
+#include "animPreloadTable.h"
 #include "config_chan.h"
 #include "bitArray.h"
 #include "string_utils.h"
@@ -25,6 +28,7 @@
 #include "bamReader.h"
 #include "bamWriter.h"
 #include "configVariableEnum.h"
+#include "loaderOptions.h"
 
 #include <algorithm>
 
@@ -49,6 +53,8 @@ PartBundle::
 PartBundle(const PartBundle &copy) :
   PartGroup(copy)
 {
+  _anim_preload = copy._anim_preload;
+
   CDWriter cdata(_cycler, true);
   CDReader cdata_from(copy._cycler);
   cdata->_blend_type = cdata_from->_blend_type;
@@ -81,6 +87,30 @@ make_copy() const {
   return new PartBundle(*this);
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::merge_anim_preloads
+//       Access: Published
+//  Description: Copies the contents of the other PartBundle's preload
+//               table into this one.
+////////////////////////////////////////////////////////////////////
+void PartBundle::
+merge_anim_preloads(const PartBundle *other) {
+  if (other->_anim_preload == (AnimPreloadTable *)NULL ||
+      _anim_preload == other->_anim_preload) {
+    // No-op.
+    return;
+  }
+
+  if (_anim_preload == (AnimPreloadTable *)NULL) {
+    // Trivial case.
+    _anim_preload = other->_anim_preload;
+    return;
+  }
+
+  // Copy-on-write.
+  PT(AnimPreloadTable) anim_preload = _anim_preload.get_write_pointer();
+  anim_preload->add_anims_from(other->_anim_preload.get_read_pointer());
+}
 
 ////////////////////////////////////////////////////////////////////
 //     Function: PartBundle::set_anim_blend_flag
@@ -239,45 +269,95 @@ write(ostream &out, int indent_level) const {
 PT(AnimControl) PartBundle::
 bind_anim(AnimBundle *anim, int hierarchy_match_flags,
           const PartSubset &subset) {
-  nassertr(Thread::get_current_pipeline_stage() == 0, NULL);
+  PT(AnimControl) control = new AnimControl(anim->get_name(), this, 1.0f, 0);
+  if (do_bind_anim(control, anim, hierarchy_match_flags, subset)) {
+    return control;
+  }
 
-  // Make sure this pointer doesn't destruct during the lifetime of this
-  // method.
-  PT(AnimBundle) ptanim = anim;
+  return NULL;
+}
 
-  if ((hierarchy_match_flags & HMF_ok_wrong_root_name) == 0) {
-    // Make sure the root names match.
-    if (get_name() != ptanim->get_name()) {
-      if (chan_cat.is_error()) {
-        chan_cat.error()
-          << "Root name of part (" << get_name()
-          << ") does not match that of anim (" << ptanim->get_name()
-          << ")\n";
-      }
-      return NULL;
-    }
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::load_bind_anim
+//       Access: Published
+//  Description: Binds an animation to the bundle.  The animation is
+//               loaded from the disk via the indicated Loader object.
+//               In other respects, this behaves similarly to
+//               bind_anim(), with the addition of asynchronous
+//               support.
+//
+//               If allow_aysnc is true, the load will be asynchronous
+//               if possible.  This requires that the animation
+//               basename can be found in the PartBundle's preload
+//               table (see get_anim_preload()).
+//
+//               In an asynchronous load, the animation file will be
+//               loaded and bound in a sub-thread.  This means that
+//               the animation will not necessarily be available at
+//               the time this method returns.  You may still use the
+//               returned AnimControl immediately, though, but no
+//               visible effect will occur until the animation
+//               eventually becomes available.
+//
+//               You can test AnimControl::is_pending() to see if the
+//               animation has been loaded yet.  You can also set an
+//               event to be triggered when the animation finishes
+//               loading with AnimControl::set_pending_done_event().
+////////////////////////////////////////////////////////////////////
+PT(AnimControl) PartBundle::
+load_bind_anim(Loader *loader, const Filename &filename, 
+               int hierarchy_match_flags, const PartSubset &subset, 
+               bool allow_async) {
+  nassertr(loader != (Loader *)NULL, NULL);
+
+  LoaderOptions anim_options(LoaderOptions::LF_search |
+                             LoaderOptions::LF_report_errors |
+                             LoaderOptions::LF_convert_anim);
+  string basename = filename.get_basename_wo_extension();
+
+  int anim_index = -1;
+  CPT(AnimPreloadTable) anim_preload = _anim_preload.get_read_pointer();
+  if (anim_preload != (AnimPreloadTable *)NULL) {
+    anim_index = anim_preload->find_anim(basename);
   }
 
-  if (!check_hierarchy(anim, NULL, hierarchy_match_flags)) {
-    return NULL;
+  if (anim_index < 0 || !allow_async) {
+    // The animation is not present in the table, or allow_async is
+    // false.  Therefore, perform an ordinary synchronous
+    // load-and-bind.
+
+    PT(PandaNode) model = loader->load_sync(filename, anim_options);
+    if (model == (PandaNode *)NULL) {
+      // Couldn't load the file.
+      return NULL;
+    }
+    AnimBundle *anim = AnimBundleNode::find_anim_bundle(model);
+    if (anim == (AnimBundle *)NULL) {
+      // No anim bundle.
+      return NULL;
+    }
+    PT(AnimControl) control = bind_anim(anim, hierarchy_match_flags, subset);
+    if (control == (AnimControl *)NULL) {
+      // Couldn't bind.
+      return NULL;
+    }
+    control->set_anim_model(model);
+    return control;
   }
 
-  plist<int> holes;
-  int channel_index = 0;
-  pick_channel_index(holes, channel_index);
+  // The animation is present in the table, so we can perform an
+  // asynchronous load-and-bind.
+  float frame_rate = anim_preload->get_base_frame_rate(anim_index);
+  int num_frames = anim_preload->get_num_frames(anim_index);
+  PT(AnimControl) control = 
+    new AnimControl(basename, this, frame_rate, num_frames);
 
-  if (!holes.empty()) {
-    channel_index = holes.front();
-  }
+  PT(BindAnimRequest) request = 
+    new BindAnimRequest(filename, anim_options, control, 
+                        hierarchy_match_flags, subset);
+  loader->load_async(request);
 
-  int joint_index = 0;
-  BitArray bound_joints;
-  if (subset.is_include_empty()) {
-    bound_joints = BitArray::all_on();
-  }
-  bind_hierarchy(ptanim, channel_index, joint_index, 
-                 subset.is_include_empty(), bound_joints, subset);
-  return new AnimControl(this, anim, channel_index, bound_joints);
+  return control;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -440,6 +520,59 @@ control_activated(AnimControl *control) {
   }
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::do_bind_anim
+//       Access: Public
+//  Description: The internal implementation of bind_anim(), this
+//               receives a pointer to an uninitialized AnimControl
+//               and fills it in if the bind is successful.  Returns
+//               true if successful, false otherwise.
+////////////////////////////////////////////////////////////////////
+bool PartBundle::
+do_bind_anim(AnimControl *control, AnimBundle *anim, 
+             int hierarchy_match_flags, const PartSubset &subset) {
+  nassertr(Thread::get_current_pipeline_stage() == 0, false);
+
+  // Make sure this pointer doesn't destruct during the lifetime of this
+  // method.
+  PT(AnimBundle) ptanim = anim;
+
+  if ((hierarchy_match_flags & HMF_ok_wrong_root_name) == 0) {
+    // Make sure the root names match.
+    if (get_name() != ptanim->get_name()) {
+      if (chan_cat.is_error()) {
+        chan_cat.error()
+          << "Root name of part (" << get_name()
+          << ") does not match that of anim (" << ptanim->get_name()
+          << ")\n";
+      }
+      return false;
+    }
+  }
+
+  if (!check_hierarchy(anim, NULL, hierarchy_match_flags)) {
+    return false;
+  }
+
+  plist<int> holes;
+  int channel_index = 0;
+  pick_channel_index(holes, channel_index);
+
+  if (!holes.empty()) {
+    channel_index = holes.front();
+  }
+
+  int joint_index = 0;
+  BitArray bound_joints;
+  if (subset.is_include_empty()) {
+    bound_joints = BitArray::all_on();
+  }
+  bind_hierarchy(ptanim, channel_index, joint_index, 
+                 subset.is_include_empty(), bound_joints, subset);
+  control->setup_anim(this, anim, channel_index, bound_joints);
+  return true;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PartBundle::add_node
 //       Access: Protected, Virtual
@@ -604,9 +737,26 @@ finalize(BamReader *) {
 void PartBundle::
 write_datagram(BamWriter *manager, Datagram &dg) {
   PartGroup::write_datagram(manager, dg);
+  manager->write_pointer(dg, _anim_preload.get_read_pointer());
   manager->write_cdata(dg, _cycler);
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: PartBundle::complete_pointers
+//       Access: Public
+//  Description: Takes in a vector of pointers to TypedWritable
+//               objects that correspond to all the requests for
+//               pointers that this object made to BamReader.
+////////////////////////////////////////////////////////////////////
+int PartBundle::
+complete_pointers(TypedWritable **p_list, BamReader *manager) {
+  int pi = PartGroup::complete_pointers(p_list, manager);
+  
+  _anim_preload = DCAST(AnimPreloadTable, p_list[pi++]);
+
+  return pi;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: PartBundle::make_from_bam
 //       Access: Protected
@@ -634,7 +784,9 @@ make_from_bam(const FactoryParams &params) {
 void PartBundle::
 fillin(DatagramIterator &scan, BamReader *manager) {
   PartGroup::fillin(scan, manager);
-
+  if (manager->get_file_minor_ver() >= 16) {
+    manager->read_pointer(scan);  // _anim_preload
+  }
   if (manager->get_file_minor_ver() >= 10) {
     manager->read_cdata(scan, _cycler);
   }

panda/src/chan/partBundle.h

@@ -20,6 +20,7 @@
 #include "partGroup.h"
 #include "animControl.h"
 #include "partSubset.h"
+#include "animPreloadTable.h"
 #include "pointerTo.h"
 #include "thread.h"
 #include "cycleData.h"
@@ -30,11 +31,14 @@
 #include "pvector.h"
 #include "transformState.h"
 #include "weakPointerTo.h"
+#include "copyOnWritePointer.h"
 
+class Loader;
 class AnimBundle;
 class PartBundleNode;
 class PartBundleNode;
 class TransformState;
+class AnimPreloadTable;
 
 ////////////////////////////////////////////////////////////////////
 //       Class : PartBundle
@@ -58,6 +62,11 @@ public:
   virtual PartGroup *make_copy() const;
 
 PUBLISHED:
+  INLINE CPT(AnimPreloadTable) get_anim_preload() const;
+  INLINE PT(AnimPreloadTable) modify_anim_preload();
+  INLINE void set_anim_preload(AnimPreloadTable *table);
+  INLINE void clear_anim_preload();
+  void merge_anim_preloads(const PartBundle *other);
 
   // This is the parameter to set_blend_type() and specifies the kind
   // of blending operation to be performed when multiple controls are
@@ -119,6 +128,11 @@ PUBLISHED:
   PT(AnimControl) bind_anim(AnimBundle *anim,
                             int hierarchy_match_flags = 0, 
                             const PartSubset &subset = PartSubset());
+  PT(AnimControl) load_bind_anim(Loader *loader,
+                                 const Filename &filename,
+                                 int hierarchy_match_flags,
+                                 const PartSubset &subset,
+                                 bool allow_async);
 
   bool freeze_joint(const string &joint_name, const TransformState *transform);
   bool control_joint(const string &joint_name, PandaNode *node);
@@ -133,6 +147,9 @@ public:
   // bunch of friends.
   virtual void control_activated(AnimControl *control);
 
+  bool do_bind_anim(AnimControl *control, AnimBundle *anim,
+                    int hierarchy_match_flags, const PartSubset &subset);
+
 protected:
   virtual void add_node(PartBundleNode *node);
   virtual void remove_node(PartBundleNode *node);
@@ -145,6 +162,8 @@ private:
   void recompute_net_blend(CData *cdata);
   void clear_and_stop_intersecting(AnimControl *control, CData *cdata);
 
+  COWPT(AnimPreloadTable) _anim_preload;
+
   typedef pvector<PartBundleNode *> Nodes;
   Nodes _nodes;
 
@@ -183,6 +202,8 @@ public:
   static void register_with_read_factory();
   virtual void finalize(BamReader *manager);
   virtual void write_datagram(BamWriter *manager, Datagram &dg);
+  virtual int complete_pointers(TypedWritable **p_list,
+                                BamReader *manager);
 
 protected:
   static TypedWritable *make_from_bam(const FactoryParams &params);

panda/src/chan/partGroup.cxx

@@ -253,6 +253,7 @@ sort_descendants() {
 bool PartGroup::
 check_hierarchy(const AnimGroup *anim, const PartGroup *,
                 int hierarchy_match_flags) const {
+  Thread::consider_yield();
   if (anim->get_value_type() != get_value_type()) {
     if (chan_cat.is_error()) {
       chan_cat.error()
@@ -507,6 +508,7 @@ void PartGroup::
 bind_hierarchy(AnimGroup *anim, int channel_index, int &joint_index, 
                bool is_included, BitArray &bound_joints,
                const PartSubset &subset) {
+  Thread::consider_yield();
   if (subset.matches_include(get_name())) {
     is_included = true;
   } else if (subset.matches_exclude(get_name())) {

panda/src/char/character.cxx

@@ -281,7 +281,11 @@ merge_bundles(PartBundle *old_bundle, PartBundle *new_bundle) {
 void Character::
 merge_bundles(PartBundleHandle *old_bundle_handle, 
               PartBundleHandle *new_bundle_handle) {
-  update_bundle(old_bundle_handle, new_bundle_handle->get_bundle());
+  PartBundle *old_bundle = old_bundle_handle->get_bundle();
+  PartBundle *new_bundle = new_bundle_handle->get_bundle();
+  new_bundle->merge_anim_preloads(old_bundle);
+
+  update_bundle(old_bundle_handle, new_bundle);
 }
 
 ////////////////////////////////////////////////////////////////////

panda/src/egg/Sources.pp

@@ -12,7 +12,9 @@
   #define COMBINED_SOURCES $[TARGET]_composite1.cxx $[TARGET]_composite2.cxx 
 
   #define SOURCES \
-     config_egg.h eggAnimData.I eggAnimData.h eggAttributes.I  \
+     config_egg.h eggAnimData.I eggAnimData.h \
+     eggAnimPreload.I eggAnimPreload.h \
+     eggAttributes.I  \
      eggAttributes.h eggBin.h eggBinMaker.h eggComment.I  \
      eggComment.h \
      eggCompositePrimitive.I eggCompositePrimitive.h \
@@ -54,7 +56,9 @@
      vector_PT_EggTexture.h pt_EggVertex.h vector_PT_EggVertex.h
 
   #define INCLUDED_SOURCES \
-     config_egg.cxx eggAnimData.cxx eggAttributes.cxx eggBin.cxx  \
+     config_egg.cxx eggAnimData.cxx \
+     eggAnimPreload.cxx \
+     eggAttributes.cxx eggBin.cxx  \
      eggBinMaker.cxx eggComment.cxx \
      eggCompositePrimitive.cxx \
      eggCoordinateSystem.cxx  \
@@ -85,6 +89,7 @@
 
   #define INSTALL_HEADERS \
     eggAnimData.I eggAnimData.h \
+    eggAnimPreload.I eggAnimPreload.h \
     eggAttributes.I eggAttributes.h eggBin.h eggBinMaker.h eggComment.I \
     eggComment.h \
     eggCompositePrimitive.I eggCompositePrimitive.h \

panda/src/egg/config_egg.cxx

@@ -15,6 +15,7 @@
 #include "config_egg.h"
 #include "eggRenderMode.h"
 #include "eggAnimData.h"
+#include "eggAnimPreload.h"
 #include "eggAttributes.h"
 #include "eggBin.h"
 #include "eggBinMaker.h"
@@ -166,6 +167,7 @@ init_libegg() {
 
   EggRenderMode::init_type();
   EggAnimData::init_type();
+  EggAnimPreload::init_type();
   EggAttributes::init_type();
   EggBin::init_type();
   EggBinMaker::init_type();

panda/src/egg/eggAnimPreload.I

@@ -0,0 +1,145 @@
+// Filename: eggAnimPreload.I
+// Created by:  drose (06Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::Constructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE EggAnimPreload::
+EggAnimPreload(const string &name) : EggNode(name) {
+  _has_fps = false;
+  _has_num_frames = false;
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::Copy constructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE EggAnimPreload::
+EggAnimPreload(const EggAnimPreload &copy) : 
+  EggNode(copy),
+  _fps(copy._fps),
+  _has_fps(copy._has_fps),
+  _num_frames(copy._num_frames),
+  _has_num_frames(copy._has_num_frames)
+{
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::Copy assignment operator
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE EggAnimPreload &EggAnimPreload::
+operator = (const EggAnimPreload &copy) {
+  EggNode::operator = (copy);
+  _fps = copy._fps;
+  _has_fps = copy._has_fps;
+  _num_frames = copy._num_frames;
+  _has_num_frames = copy._has_num_frames;
+
+  return *this;
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::set_fps
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE void EggAnimPreload::
+set_fps(double fps) {
+  _fps = fps;
+  _has_fps = true;
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::clear_fps
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE void EggAnimPreload::
+clear_fps() {
+  _has_fps = false;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::has_fps
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE bool EggAnimPreload::
+has_fps() const {
+  return _has_fps;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::get_fps
+//       Access: Public
+//  Description: This is only valid if has_fps() returns true.
+////////////////////////////////////////////////////////////////////
+INLINE double EggAnimPreload::
+get_fps() const {
+  nassertr(has_fps(), 0.0);
+  return _fps;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::set_num_frames
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE void EggAnimPreload::
+set_num_frames(int num_frames) {
+  _num_frames = num_frames;
+  _has_num_frames = true;
+}
+
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::clear_num_frames
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE void EggAnimPreload::
+clear_num_frames() {
+  _has_num_frames = false;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::has_num_frames
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE bool EggAnimPreload::
+has_num_frames() const {
+  return _has_num_frames;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::get_num_frames
+//       Access: Public
+//  Description: This is only valid if has_num_frames() returns true.
+////////////////////////////////////////////////////////////////////
+INLINE int EggAnimPreload::
+get_num_frames() const {
+  nassertr(has_num_frames(), 0);
+  return _num_frames;
+}

panda/src/egg/eggAnimPreload.cxx

@@ -0,0 +1,45 @@
+// Filename: eggAnimPreload.cxx
+// Created by:  drose (06Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#include "eggAnimPreload.h"
+
+#include "string_utils.h"
+#include "indent.h"
+
+TypeHandle EggAnimPreload::_type_handle;
+
+////////////////////////////////////////////////////////////////////
+//     Function: EggAnimPreload::write
+//       Access: Public, Virtual
+//  Description: Writes the table and all of its children to the
+//               indicated output stream in Egg format.
+////////////////////////////////////////////////////////////////////
+void EggAnimPreload::
+write(ostream &out, int indent_level) const {
+  test_under_integrity();
+
+  write_header(out, indent_level, "<AnimPreload>");
+
+  if (has_fps()) {
+    indent(out, indent_level + 2)
+      << "<Scalar> fps { " << get_fps() << " }\n";
+  }
+
+  if (has_num_frames()) {
+    indent(out, indent_level + 2)
+      << "<Scalar> frames { " << get_num_frames() << " }\n";
+  }
+
+  indent(out, indent_level) << "}\n";
+}

panda/src/egg/eggAnimPreload.h

@@ -0,0 +1,71 @@
+// Filename: eggAnimPreload.h
+// Created by:  drose (06Aug08)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef EGGANIMPRELOAD_H
+#define EGGANIMPRELOAD_H
+
+#include "pandabase.h"
+
+#include "eggNode.h"
+
+////////////////////////////////////////////////////////////////////
+//       Class : EggAnimPreload
+// Description : This corresponds to an <AnimPreload> entry.
+////////////////////////////////////////////////////////////////////
+class EXPCL_PANDAEGG EggAnimPreload : public EggNode {
+PUBLISHED:
+  INLINE EggAnimPreload(const string &name = "");
+  INLINE EggAnimPreload(const EggAnimPreload &copy);
+  INLINE EggAnimPreload &operator = (const EggAnimPreload &copy);
+
+  INLINE void set_fps(double fps);
+  INLINE void clear_fps();
+  INLINE bool has_fps() const;
+  INLINE double get_fps() const;
+
+  INLINE void set_num_frames(int num_frames);
+  INLINE void clear_num_frames();
+  INLINE bool has_num_frames() const;
+  INLINE int get_num_frames() const;
+
+  virtual void write(ostream &out, int indent_level) const;
+
+private:
+  double _fps;
+  bool _has_fps;
+  int _num_frames;
+  bool _has_num_frames;
+
+public:
+  static TypeHandle get_class_type() {
+    return _type_handle;
+  }
+  static void init_type() {
+    EggNode::init_type();
+    register_type(_type_handle, "EggAnimPreload",
+                  EggNode::get_class_type());
+  }
+  virtual TypeHandle get_type() const {
+    return get_class_type();
+  }
+  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
+
+private:
+  static TypeHandle _type_handle;
+};
+
+#include "eggAnimPreload.I"
+
+#endif
+

panda/src/egg/egg_composite1.cxx

@@ -1,5 +1,6 @@
 #include "config_egg.cxx"
 #include "eggAnimData.cxx"
+#include "eggAnimPreload.cxx"
 #include "eggAttributes.cxx"
 #include "eggBin.cxx"
 #include "eggBinMaker.cxx"

panda/src/egg/lexer.cxx.prebuilt

@@ -1,3000 +1,2996 @@
-#define yy_create_buffer eggyy_create_buffer
-#define yy_delete_buffer eggyy_delete_buffer
-#define yy_scan_buffer eggyy_scan_buffer
-#define yy_scan_string eggyy_scan_string
-#define yy_scan_bytes eggyy_scan_bytes
-#define yy_flex_debug eggyy_flex_debug
-#define yy_init_buffer eggyy_init_buffer
-#define yy_flush_buffer eggyy_flush_buffer
-#define yy_load_buffer_state eggyy_load_buffer_state
-#define yy_switch_to_buffer eggyy_switch_to_buffer
-#define yyin eggyyin
-#define yyleng eggyyleng
-#define yylex eggyylex
-#define yyout eggyyout
-#define yyrestart eggyyrestart
-#define yytext eggyytext
-#define yywrap eggyywrap
-
-#line 20 "lex.yy.c"
-/* A lexical scanner generated by flex */
-
-/* Scanner skeleton version:
- * $Header$
- */
-
-#define FLEX_SCANNER
-#define YY_FLEX_MAJOR_VERSION 2
-#define YY_FLEX_MINOR_VERSION 5
-
-#include <stdio.h>
-#include <errno.h>
-
-/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
-#ifdef c_plusplus
-#ifndef __cplusplus
-#define __cplusplus
-#endif
-#endif
-
-
-#ifdef __cplusplus
-
-#include <stdlib.h>
-#ifndef _WIN32
-#endif
-
-/* Use prototypes in function declarations. */
-#define YY_USE_PROTOS
-
-/* The "const" storage-class-modifier is valid. */
-#define YY_USE_CONST
-
-#else	/* ! __cplusplus */
-
-#if __STDC__
-
-#define YY_USE_PROTOS
-#define YY_USE_CONST
-
-#endif	/* __STDC__ */
-#endif	/* ! __cplusplus */
-
-#ifdef __TURBOC__
- #pragma warn -rch
- #pragma warn -use
-#include <io.h>
-#include <stdlib.h>
-#define YY_USE_CONST
-#define YY_USE_PROTOS
-#endif
-
-#ifdef YY_USE_CONST
-#define yyconst const
-#else
-#define yyconst
-#endif
-
-
-#ifdef YY_USE_PROTOS
-#define YY_PROTO(proto) proto
-#else
-#define YY_PROTO(proto) ()
-#endif
-
-
-/* Returned upon end-of-file. */
-#define YY_NULL 0
-
-/* Promotes a possibly negative, possibly signed char to an unsigned
- * integer for use as an array index.  If the signed char is negative,
- * we want to instead treat it as an 8-bit unsigned char, hence the
- * double cast.
- */
-#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
-
-/* Enter a start condition.  This macro really ought to take a parameter,
- * but we do it the disgusting crufty way forced on us by the ()-less
- * definition of BEGIN.
- */
-#define BEGIN yy_start = 1 + 2 *
-
-/* Translate the current start state into a value that can be later handed
- * to BEGIN to return to the state.  The YYSTATE alias is for lex
- * compatibility.
- */
-#define YY_START ((yy_start - 1) / 2)
-#define YYSTATE YY_START
-
-/* Action number for EOF rule of a given start state. */
-#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
-
-/* Special action meaning "start processing a new file". */
-#define YY_NEW_FILE yyrestart( yyin )
-
-#define YY_END_OF_BUFFER_CHAR 0
-
-/* Size of default input buffer. */
-#define YY_BUF_SIZE 16384
-
-typedef struct yy_buffer_state *YY_BUFFER_STATE;
-
-extern int yyleng;
-extern FILE *yyin, *yyout;
-
-#define EOB_ACT_CONTINUE_SCAN 0
-#define EOB_ACT_END_OF_FILE 1
-#define EOB_ACT_LAST_MATCH 2
-
-/* The funky do-while in the following #define is used to turn the definition
- * int a single C statement (which needs a semi-colon terminator).  This
- * avoids problems with code like:
- *
- * 	if ( condition_holds )
- *		yyless( 5 );
- *	else
- *		do_something_else();
- *
- * Prior to using the do-while the compiler would get upset at the
- * "else" because it interpreted the "if" statement as being all
- * done when it reached the ';' after the yyless() call.
- */
-
-/* Return all but the first 'n' matched characters back to the input stream. */
-
-#define yyless(n) \
-	do \
-		{ \
-		/* Undo effects of setting up yytext. */ \
-		*yy_cp = yy_hold_char; \
-		YY_RESTORE_YY_MORE_OFFSET \
-		yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
-		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
-		} \
-	while ( 0 )
-
-#define unput(c) yyunput( c, yytext_ptr )
-
-/* The following is because we cannot portably get our hands on size_t
- * (without autoconf's help, which isn't available because we want
- * flex-generated scanners to compile on their own).
- */
-typedef unsigned int yy_size_t;
-
-
-struct yy_buffer_state
-	{
-	FILE *yy_input_file;
-
-	char *yy_ch_buf;		/* input buffer */
-	char *yy_buf_pos;		/* current position in input buffer */
-
-	/* Size of input buffer in bytes, not including room for EOB
-	 * characters.
-	 */
-	yy_size_t yy_buf_size;
-
-	/* Number of characters read into yy_ch_buf, not including EOB
-	 * characters.
-	 */
-	int yy_n_chars;
-
-	/* Whether we "own" the buffer - i.e., we know we created it,
-	 * and can realloc() it to grow it, and should free() it to
-	 * delete it.
-	 */
-	int yy_is_our_buffer;
-
-	/* Whether this is an "interactive" input source; if so, and
-	 * if we're using stdio for input, then we want to use getc()
-	 * instead of fread(), to make sure we stop fetching input after
-	 * each newline.
-	 */
-	int yy_is_interactive;
-
-	/* Whether we're considered to be at the beginning of a line.
-	 * If so, '^' rules will be active on the next match, otherwise
-	 * not.
-	 */
-	int yy_at_bol;
-
-	/* Whether to try to fill the input buffer when we reach the
-	 * end of it.
-	 */
-	int yy_fill_buffer;
-
-	int yy_buffer_status;
-#define YY_BUFFER_NEW 0
-#define YY_BUFFER_NORMAL 1
-	/* When an EOF's been seen but there's still some text to process
-	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
-	 * shouldn't try reading from the input source any more.  We might
-	 * still have a bunch of tokens to match, though, because of
-	 * possible backing-up.
-	 *
-	 * When we actually see the EOF, we change the status to "new"
-	 * (via yyrestart()), so that the user can continue scanning by
-	 * just pointing yyin at a new input file.
-	 */
-#define YY_BUFFER_EOF_PENDING 2
-	};
-
-static YY_BUFFER_STATE yy_current_buffer = 0;
-
-/* We provide macros for accessing buffer states in case in the
- * future we want to put the buffer states in a more general
- * "scanner state".
- */
-#define YY_CURRENT_BUFFER yy_current_buffer
-
-
-/* yy_hold_char holds the character lost when yytext is formed. */
-static char yy_hold_char;
-
-static int yy_n_chars;		/* number of characters read into yy_ch_buf */
-
-
-int yyleng;
-
-/* Points to current character in buffer. */
-static char *yy_c_buf_p = (char *) 0;
-static int yy_init = 1;		/* whether we need to initialize */
-static int yy_start = 0;	/* start state number */
-
-/* Flag which is used to allow yywrap()'s to do buffer switches
- * instead of setting up a fresh yyin.  A bit of a hack ...
- */
-static int yy_did_buffer_switch_on_eof;
-
-void yyrestart YY_PROTO(( FILE *input_file ));
-
-void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
-void yy_load_buffer_state YY_PROTO(( void ));
-YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
-void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
-void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
-void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
-#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
-
-YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
-YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
-YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
-
-static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
-static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
-static void yy_flex_free YY_PROTO(( void * ));
-
-#define yy_new_buffer yy_create_buffer
-
-#define yy_set_interactive(is_interactive) \
-	{ \
-	if ( ! yy_current_buffer ) \
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
-	yy_current_buffer->yy_is_interactive = is_interactive; \
-	}
-
-#define yy_set_bol(at_bol) \
-	{ \
-	if ( ! yy_current_buffer ) \
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
-	yy_current_buffer->yy_at_bol = at_bol; \
-	}
-
-#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
-
-typedef unsigned char YY_CHAR;
-FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
-typedef int yy_state_type;
-extern char *yytext;
-#define yytext_ptr yytext
-
-static yy_state_type yy_get_previous_state YY_PROTO(( void ));
-static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
-static int yy_get_next_buffer YY_PROTO(( void ));
-static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
-
-/* Done after the current pattern has been matched and before the
- * corresponding action - sets up yytext.
- */
-#define YY_DO_BEFORE_ACTION \
-	yytext_ptr = yy_bp; \
-	yyleng = (int) (yy_cp - yy_bp); \
-	yy_hold_char = *yy_cp; \
-	*yy_cp = '\0'; \
-	yy_c_buf_p = yy_cp;
-
-#define YY_NUM_RULES 100
-#define YY_END_OF_BUFFER 101
-static yyconst short int yy_accept[569] =
-    {   0,
-        0,    0,  101,   99,    2,    1,   98,   99,   99,   99,
-       99,   90,   90,   90,   99,   99,   99,    5,   99,    1,
-       99,   90,   90,   99,   90,    4,    3,   90,   92,   99,
-       91,   90,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   90,   99,    3,    3,   92,   99,
-       90,   91,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   66,   99,   99,   99,   94,
-       99,   99,   95,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   18,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   32,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   81,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-
-       99,   99,   99,   99,   24,   99,   99,   99,   99,   22,
-       99,   99,   99,   99,   99,   31,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   52,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   67,   99,   99,   99,   99,
-       99,   99,   99,   99,   78,   99,   99,   99,   99,   99,
-       99,   93,   99,   96,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   19,   99,   99,   99,   99,
-       23,   99,   28,   99,   99,   99,   99,   99,   99,   37,
-       38,   99,   99,   99,   43,   99,   99,   99,   99,   99,
-
-       99,   99,   53,   99,   55,   56,   57,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   74,
-       99,   77,   99,   99,   99,   99,   99,   99,   93,   97,
-       99,    7,   99,   99,   99,   12,   99,   99,   99,   99,
-       99,   99,   99,   21,   26,   99,   99,   30,   99,   99,
-       33,   34,   99,   99,   42,   99,   99,   99,   99,   48,
-       99,   99,   99,   99,   99,   99,   60,   99,   99,   99,
-       65,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   11,   13,   99,
-       99,   99,   99,   99,   99,   99,   99,   99,   99,   99,
-
-       99,   99,   44,   99,   99,   99,   99,   99,   99,   54,
-       58,   59,   99,   99,   63,   99,   99,   99,   99,   99,
-       99,   99,   99,   99,   99,   99,   99,   84,   99,   99,
-       99,   99,   99,   99,   99,   14,   15,   99,   99,   99,
-       20,   99,   99,   35,   99,   99,   40,   41,   99,   99,
-       99,   99,   99,   51,   99,   62,   99,   68,   69,   70,
-       99,   99,   99,   99,   79,   80,   82,   83,   99,   99,
-       99,   99,   99,   99,   10,   99,   99,   25,   99,   99,
-       36,   39,   99,   99,   99,   99,   99,   61,   99,   71,
-       99,   99,   99,   99,   99,   99,   99,   88,   99,   99,
-
-        8,   99,   16,   99,   99,   99,   99,   99,   99,   99,
-       99,   99,   72,   73,   99,   99,   99,   99,   87,   99,
-       99,   99,   99,   99,   29,   45,   99,   47,   49,   50,
-       99,   99,   99,   85,   86,   99,    6,   99,   99,   99,
-       99,   99,   75,   99,   89,   99,   99,   99,   46,   99,
-       99,   99,   99,   99,   99,   76,   99,   99,   99,   99,
-        9,   99,   99,   64,   17,   99,   27,    0
-    } ;
-
-static yyconst int yy_ec[256] =
-    {   0,
-        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
-        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    2,    1,    4,    5,    6,    1,    1,    1,    1,
-        1,    7,    8,    1,    9,   10,   11,   12,   13,   14,
-       15,   16,   14,   14,   14,   14,   14,    1,    1,   17,
-        1,   18,    1,    1,   20,   21,   22,   23,   24,   25,
-       26,   27,   28,   29,   30,   31,   32,   33,   34,   35,
-       36,   37,   38,   39,   40,   41,   42,   43,   44,   45,
-        1,    1,    1,    1,   19,    1,   20,   21,   22,   23,
-
-       24,   25,   26,   27,   28,   29,   30,   31,   32,   33,
-       34,   35,   36,   37,   38,   39,   40,   41,   42,   43,
-       44,   45,   46,    1,   46,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1
-    } ;
-
-static yyconst int yy_meta[47] =
-    {   0,
-        1,    2,    3,    2,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    2
-    } ;
-
-static yyconst short int yy_base[574] =
-    {   0,
-        0,   45,  690,    0,  691,    0,  691,    8,   82,   22,
-       18,  101,    9,   20,  124,  656,  668,  691,    0,    0,
-       52,   29,   59,  654,   69,    0,   40,  114,   14,  160,
-      165,  186,   79,  177,  199,   12,  649,  657,  651,  649,
-      649,   11,   86,   36,   50,  647,   75,  206,  172,   99,
-      115,  655,  654,  645,  244,  652,   75,    0,   19,  210,
-      238,    0,  648,  630,  654,  104,  640,  652,  637,  163,
-      652,  632,  630,  629,  632,  639,  627,  622,  618,  628,
-      629,  620,  624,  622,  223,  628,  621,  621,  619,  613,
-      628,  626,  612,  611,  618,  623,  606,  185,  619,  622,
-
-      603,  621,  620,  603,  618,  609,   79,  593,  611,  242,
-      595,  603,  602,  613,  600,    0,  599,  591,  595,    0,
-      614,  597,    0,  591,  595,  600,  590,  586,  596,  581,
-      579,  585,  182,  578,    0,  575,  595,  573,  574,  589,
-      585,  590,  562,  586,  581,  585,  563,  584,    0,  570,
-      561,  566,  559,  573,  561,   51,  571,  569,  561,  571,
-      567,  566,  550,  555,  543,  568,  565,  162,  551,  552,
-      542,  558,  541,  548,  560,  551,  198,  543,  542,  549,
-      111,  555,  539,  538,    0,  537,  536,  529,  561,  523,
-      532,  539,  539,  538,  540,  523,  528,  551,  533,  528,
-
-      531,  520,  530,  534,    0,  531,  518,  529,  523,    0,
-      529,  514,  527,  517,  508,    0,  502,  521,  501,  501,
-      520,  519,  499,  507,  503,  515,  512,  493,  508,  492,
-      508,  488,  500,    0,  507,  485,  505,  504,  503,  492,
-      112,  495,  490,  495,  492,    0,  491,  486,  473,  486,
-      473,  492,  476,  490,    0,  473,  472,  471,  470,  479,
-      482,  259,  476,    0,  463,  481,  464,  465,  472,  477,
-      471,  470,  459,  458,  462,    0,  456,  468,  469,  468,
-        0,  457,    0,  460,  465,  459,  448,  462,  461,    0,
-        0,  450,  434,  458,    0,  444,  209,  435,  455,  439,
-
-      440,  436,    0,  445,    0,    0,    0,  436,  430,  448,
-      432,  431,  436,  444,  428,  422,  422,  419,  117,    0,
-      431,    0,  417,  416,  415,  414,  409,  418,    0,    0,
-      428,    0,  429,  428,  429,    0,  428,  421,  405,  419,
-      409,  419,  409,    0,    0,  417,  418,    0,  413,  414,
-        0,    0,  415,  155,    0,  416,  393,  392,  392,    0,
-      404,  401,  395,  409,  408,  407,    0,  402,  397,  222,
-        0,  383,  382,  396,  392,  384,  397,  385,  377,  376,
-      375,  374,  258,  383,  370,  372,  377,    0,    0,  389,
-      388,  372,  384,  379,  384,  360,  377,  381,  374,  366,
-
-      378,  377,    0,  357,  356,  348,  367,  364,  371,    0,
-        0,    0,  364,  369,    0,  352,  367,  366,  365,  344,
-      344,  341,  355,  360,  359,  358,  357,    0,  341,  339,
-      348,  339,  333,  346,  350,    0,    0,  328,  327,  347,
-        0,  340,  339,    0,  344,  343,    0,    0,  319,  334,
-      323,  324,  329,    0,  337,    0,  321,    0,    0,    0,
-      335,  320,  327,  239,    0,    0,    0,    0,  322,  315,
-      323,  165,  306,  245,    0,  328,  321,    0,  307,  306,
-        0,    0,  318,  321,  316,  300,  299,    0,  314,    0,
-      318,  317,  314,  294,  300,  300,  312,    0,  291,  304,
-
-        0,  303,    0,  288,  286,  306,  305,  300,  303,  302,
-      301,  290,    0,    0,  284,  279,  297,  296,    0,  307,
-      294,  278,  266,  285,    0,    0,  284,    0,    0,    0,
-      268,  288,  277,    0,    0,  276,    0,  253,  253,  247,
-      271,  260,    0,  252,    0,  262,  246,  234,    0,  231,
-      237,  209,  211,  200,  187,    0,  175,  134,  126,  123,
-        0,   71,   43,    0,    0,   33,    0,  691,  295,    0,
-      298,  300,  302
-    } ;
-
-static yyconst short int yy_def[574] =
-    {   0,
-      569,  569,  568,  570,  568,  571,  568,  570,  570,  570,
-      570,  570,   12,   12,  570,  570,  570,  568,  570,  571,
-      570,   12,   12,  570,  570,  570,  572,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  572,  573,  570,  570,
-      570,   31,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  262,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,  570,  570,  570,
-      570,  570,  570,  570,  570,  570,  570,    0,  568,  568,
-      568,  568,  568
-    } ;
-
-static yyconst short int yy_nxt[738] =
-    {   0,
-       19,    5,    6,    7,  568,  568,  568,    8,    9,   10,
-       11,   12,   13,   14,   14,   14,   15,   21,   32,   22,
-       22,   22,   22,   22,   26,   59,   59,   16,   27,   19,
-       59,   59,   17,   25,   25,   25,   25,   25,   88,   81,
-       19,   58,   82,   58,   89,   18,    5,    6,    7,   19,
-      567,   19,    8,    9,   10,   11,   12,   13,   14,   14,
-       14,   15,   19,   25,   25,   25,   25,   25,   55,   93,
-       95,   19,   16,  566,  223,   94,   58,   17,   58,   19,
-       25,   25,   25,   25,   25,   58,   96,  224,  565,   97,
-       18,   21,   30,   22,   23,   22,   22,   22,   99,  174,
-
-      100,   19,   64,   65,  175,   90,   66,  112,  101,   24,
-       28,  176,   22,   22,   22,   22,   22,  113,   67,   91,
-       58,   29,   92,  115,   30,   25,   25,   25,   25,   25,
-      253,  309,  116,  117,  127,  310,  128,   30,  118,  114,
-      564,  376,  254,   31,   33,   34,   35,  377,   36,   37,
-       38,   39,   40,   41,   42,   43,   44,   45,   46,  563,
-       47,   48,   49,   50,   51,  562,   52,   60,   60,  401,
-      402,   61,   61,   61,   61,   61,   62,   62,   62,   62,
-       62,  236,  498,  499,   62,   62,   62,   62,   62,   62,
-       63,  107,  561,  132,  133,  108,  134,   25,   25,   25,
-
-       25,   25,  109,   68,  237,  238,  239,   69,  110,   30,
-       70,  102,  164,  201,  111,  165,  202,   71,   72,  560,
-       73,   61,   61,   61,   61,   61,   74,  103,  248,  104,
-      357,   75,  105,  559,  558,   76,  249,   77,   78,  415,
-      149,   79,   80,  416,  150,  557,  358,  106,  122,   61,
-       61,   61,   61,   61,  556,   25,   25,   25,   25,   25,
-      151,  179,  501,  493,  555,  180,  502,   30,  554,  181,
-      329,  329,  329,  329,  329,  428,  494,  429,  329,  329,
-      329,  329,  329,  329,  553,  552,  551,  550,  549,  548,
-      547,  546,  430,  545,  431,    4,    4,    4,   20,   20,
-
-       57,   57,   58,   58,  544,  543,  542,  541,  540,  539,
-      538,  537,  536,  535,  534,  533,  532,  531,  530,  529,
-      528,  527,  526,  525,  524,  523,  522,  521,  520,  519,
-      518,  517,  516,  515,  514,  513,  512,  511,  510,  509,
-      508,  507,  506,  505,  504,  503,  500,  497,  496,  495,
-      492,  491,  490,  489,  488,  487,  486,  485,  484,  483,
-      482,  481,  480,  479,  478,  477,  476,  475,  474,  473,
-      472,  471,  470,  469,  468,  467,  466,  465,  464,  463,
-      462,  461,  460,  459,  458,  457,  456,  455,  454,  453,
-      452,  451,  450,  449,  448,  447,  446,  445,  444,  443,
-
-      442,  441,  440,  439,  438,  437,  436,  435,  434,  433,
-      432,  427,  426,  425,  424,  423,  422,  421,  420,  419,
-      418,  417,  414,  413,  412,  411,  410,  409,  408,  407,
-      406,  405,  404,  403,  400,  399,  398,  397,  396,  395,
-      394,  393,  392,  391,  390,  389,  388,  387,  386,  385,
-      384,  383,  382,  381,  380,  379,  378,  375,  374,  373,
-      372,  371,  370,  369,  368,  367,  366,  365,  364,  363,
-      362,  361,  360,  359,  356,  355,  354,  353,  352,  351,
-      350,  349,  348,  347,  346,  345,  344,  343,  342,  341,
-      340,  339,  338,  337,  336,  335,  334,  333,  332,  331,
-
-      330,  328,  327,  326,  325,  324,  323,  322,  321,  320,
-      319,  318,  317,  316,  315,  314,  313,  312,  311,  308,
-      307,  306,  305,  304,  303,  302,  301,  300,  299,  298,
-      297,  296,  295,  294,  293,  292,  291,  290,  289,  288,
-      287,  286,  285,  284,  283,  282,  281,  280,  279,  278,
-      277,  276,  275,  274,  273,  272,  271,  270,  269,  268,
-      267,  266,  265,  264,  263,  262,  261,  260,  259,  258,
-      257,  256,  255,  252,  251,  250,  247,  246,  245,  244,
-      243,  242,  241,  240,  235,  234,  233,  232,  231,  230,
-      229,  228,  227,  226,  225,  222,  221,  220,  219,  218,
-
-      217,  216,  215,  214,  213,  212,  211,  210,  209,  208,
-      207,  206,  205,  204,  203,  200,  199,  198,  197,  196,
-      195,  194,  193,  192,  191,  190,  189,  188,  187,  186,
-      185,  184,  183,  182,  178,  177,  173,  172,  171,  170,
-      169,  168,  167,  166,  163,  162,  161,  160,  159,  158,
-      157,  156,  155,  154,  153,  152,  148,  147,  146,  145,
-      144,  143,  142,  141,  140,  139,  138,  137,  136,  135,
-      131,  130,  129,  126,  125,  124,  123,  121,  120,  119,
-       98,   87,   86,   85,   84,   83,   56,   54,   53,  568,
-        3,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-
-      568,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-      568,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-      568,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-      568,  568,  568,  568,  568,  568,  568
-    } ;
-
-static yyconst short int yy_chk[738] =
-    {   0,
-      570,    1,    1,    1,    0,    0,    0,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    8,   13,    8,
-        8,    8,    8,    8,   11,   29,   29,    1,   11,   13,
-       59,   59,    1,   10,   10,   10,   10,   10,   42,   36,
-       14,   27,   36,   27,   42,    1,    2,    2,    2,   22,
-      566,   13,    2,    2,    2,    2,    2,    2,    2,    2,
-        2,    2,   14,   21,   21,   21,   21,   21,   23,   44,
-       45,   22,    2,  563,  156,   44,   57,    2,   57,   23,
-       25,   25,   25,   25,   25,   27,   45,  156,  562,   45,
-        2,    9,   25,    9,    9,    9,    9,    9,   47,  107,
-
-       47,   23,   33,   33,  107,   43,   33,   50,   47,    9,
-       12,  107,   12,   12,   12,   12,   12,   50,   33,   43,
-       57,   12,   43,   51,   12,   28,   28,   28,   28,   28,
-      181,  241,   51,   51,   66,  241,   66,   28,   51,   50,
-      560,  319,  181,   12,   15,   15,   15,  319,   15,   15,
-       15,   15,   15,   15,   15,   15,   15,   15,   15,  559,
-       15,   15,   15,   15,   15,  558,   15,   30,   30,  354,
-      354,   30,   30,   30,   30,   30,   31,   31,   31,   31,
-       31,  168,  472,  472,   31,   31,   31,   31,   31,   31,
-       32,   49,  557,   70,   70,   49,   70,   32,   32,   32,
-
-       32,   32,   49,   34,  168,  168,  168,   34,   49,   32,
-       34,   48,   98,  133,   49,   98,  133,   34,   35,  555,
-       35,   60,   60,   60,   60,   60,   35,   48,  177,   48,
-      297,   35,   48,  554,  553,   35,  177,   35,   35,  370,
-       85,   35,   35,  370,   85,  552,  297,   48,   55,   61,
-       61,   61,   61,   61,  551,   55,   55,   55,   55,   55,
-       85,  110,  474,  464,  550,  110,  474,   55,  548,  110,
-      262,  262,  262,  262,  262,  383,  464,  383,  262,  262,
-      262,  262,  262,  262,  547,  546,  544,  542,  541,  540,
-      539,  538,  383,  536,  383,  569,  569,  569,  571,  571,
-
-      572,  572,  573,  573,  533,  532,  531,  527,  524,  523,
-      522,  521,  520,  518,  517,  516,  515,  512,  511,  510,
-      509,  508,  507,  506,  505,  504,  502,  500,  499,  497,
-      496,  495,  494,  493,  492,  491,  489,  487,  486,  485,
-      484,  483,  480,  479,  477,  476,  473,  471,  470,  469,
-      463,  462,  461,  457,  455,  453,  452,  451,  450,  449,
-      446,  445,  443,  442,  440,  439,  438,  435,  434,  433,
-      432,  431,  430,  429,  427,  426,  425,  424,  423,  422,
-      421,  420,  419,  418,  417,  416,  414,  413,  409,  408,
-      407,  406,  405,  404,  402,  401,  400,  399,  398,  397,
-
-      396,  395,  394,  393,  392,  391,  390,  387,  386,  385,
-      384,  382,  381,  380,  379,  378,  377,  376,  375,  374,
-      373,  372,  369,  368,  366,  365,  364,  363,  362,  361,
-      359,  358,  357,  356,  353,  350,  349,  347,  346,  343,
-      342,  341,  340,  339,  338,  337,  335,  334,  333,  331,
-      328,  327,  326,  325,  324,  323,  321,  318,  317,  316,
-      315,  314,  313,  312,  311,  310,  309,  308,  304,  302,
-      301,  300,  299,  298,  296,  294,  293,  292,  289,  288,
-      287,  286,  285,  284,  282,  280,  279,  278,  277,  275,
-      274,  273,  272,  271,  270,  269,  268,  267,  266,  265,
-
-      263,  261,  260,  259,  258,  257,  256,  254,  253,  252,
-      251,  250,  249,  248,  247,  245,  244,  243,  242,  240,
-      239,  238,  237,  236,  235,  233,  232,  231,  230,  229,
-      228,  227,  226,  225,  224,  223,  222,  221,  220,  219,
-      218,  217,  215,  214,  213,  212,  211,  209,  208,  207,
-      206,  204,  203,  202,  201,  200,  199,  198,  197,  196,
-      195,  194,  193,  192,  191,  190,  189,  188,  187,  186,
-      184,  183,  182,  180,  179,  178,  176,  175,  174,  173,
-      172,  171,  170,  169,  167,  166,  165,  164,  163,  162,
-      161,  160,  159,  158,  157,  155,  154,  153,  152,  151,
-
-      150,  148,  147,  146,  145,  144,  143,  142,  141,  140,
-      139,  138,  137,  136,  134,  132,  131,  130,  129,  128,
-      127,  126,  125,  124,  122,  121,  119,  118,  117,  115,
-      114,  113,  112,  111,  109,  108,  106,  105,  104,  103,
-      102,  101,  100,   99,   97,   96,   95,   94,   93,   92,
-       91,   90,   89,   88,   87,   86,   84,   83,   82,   81,
-       80,   79,   78,   77,   76,   75,   74,   73,   72,   71,
-       69,   68,   67,   65,   64,   63,   56,   54,   53,   52,
-       46,   41,   40,   39,   38,   37,   24,   17,   16,    3,
-      568,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-
-      568,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-      568,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-      568,  568,  568,  568,  568,  568,  568,  568,  568,  568,
-      568,  568,  568,  568,  568,  568,  568
-    } ;
-
-static yy_state_type yy_last_accepting_state;
-static char *yy_last_accepting_cpos;
-
-/* The intent behind this definition is that it'll catch
- * any uses of REJECT which flex missed.
- */
-#define REJECT reject_used_but_not_detected
-#define yymore() yymore_used_but_not_detected
-#define YY_MORE_ADJ 0
-#define YY_RESTORE_YY_MORE_OFFSET
-char *yytext;
-#line 1 "lexer.lxx"
-#define INITIAL 0
-/*
-// Filename: lexer.l
-// Created by:  drose (16Jan99)
-// 
-////////////////////////////////////////////////////////////////////
-*/
-#line 9 "lexer.lxx"
-#include "pandabase.h"
-#include "lexerDefs.h"
-#include "parserDefs.h"
-#include "config_egg.h"
-#include "parser.h"
-#include "indent.h"
-#include "pnotify.h"
-#include "pmutex.h"
-#include "thread.h"
-
-#include <math.h>
-
-extern "C" int eggyywrap(void);  // declared below.
-
-static int yyinput(void);        // declared by flex.
-
-
-////////////////////////////////////////////////////////////////////
-// Static variables
-////////////////////////////////////////////////////////////////////
-
-// This mutex protects all of these global variables. 
-Mutex egg_lock; 
-
-// We'll increment line_number and col_number as we parse the file, so
-// that we can report the position of an error.
-static int line_number = 0;
-static int col_number = 0;
-
-// current_line holds as much of the current line as will fit.  Its
-// only purpose is for printing it out to report an error to the user.
-static const int max_error_width = 1024;
-static char current_line[max_error_width + 1];
-
-static int error_count = 0;
-static int warning_count = 0;
-
-// This is the pointer to the current input stream.
-static istream *inp = NULL;
-
-// This is the name of the egg file we're parsing.  We keep it so we
-// can print it out for error messages.
-static string egg_filename;
-
-// This is the initial token state returned by the lexer.  It allows
-// the yacc grammar to start from initial points.
-static int initial_token;
-
-////////////////////////////////////////////////////////////////////
-// Defining the interface to the lexer.
-////////////////////////////////////////////////////////////////////
-
-void
-egg_init_lexer(istream &in, const string &filename) {
-  inp = &in;
-  egg_filename = filename;
-  line_number = 0;
-  col_number = 0;
-  error_count = 0;
-  warning_count = 0;
-  initial_token = START_EGG;
-}
-
-void
-egg_start_group_body() {
-  /* Set the initial state to begin within a group_body context,
-     instead of at the beginning of the egg file. */
-  initial_token = START_GROUP_BODY;
-}
-
-void
-egg_start_texture_body() {
-  initial_token = START_TEXTURE_BODY;
-}
-
-void
-egg_start_primitive_body() {
-  initial_token = START_PRIMITIVE_BODY;
-}
-
-int
-egg_error_count() {
-  return error_count;
-}
-
-int
-egg_warning_count() {
-  return warning_count;
-}
-
-
-////////////////////////////////////////////////////////////////////
-// Internal support functions.
-////////////////////////////////////////////////////////////////////
-
-int
-eggyywrap(void) {
-  return 1;
-}
-
-void
-eggyyerror(const string &msg) {
-  if (egg_cat.is_error()) {
-    ostream &out = egg_cat.error(false);
-
-    out << "\nError";
-    if (!egg_filename.empty()) {
-      out << " in " << egg_filename;
-    }
-    out 
-      << " at line " << line_number << ", column " << col_number << ":\n"
-      << setiosflags(Notify::get_literal_flag())
-      << current_line << "\n";
-    indent(out, col_number-1) 
-      << "^\n" << msg << "\n\n" 
-      << resetiosflags(Notify::get_literal_flag()) << flush;
-  }
-  error_count++;
-}
-
-void
-eggyyerror(ostringstream &strm) {
-  string s = strm.str();
-  eggyyerror(s);
-}
-
-void
-eggyywarning(const string &msg) {
-  if (egg_cat.is_warning()) {
-    ostream &out = egg_cat.warning(false);
-
-    out << "\nWarning";
-    if (!egg_filename.empty()) {
-      out << " in " << egg_filename;
-    }
-    out 
-      << " at line " << line_number << ", column " << col_number << ":\n"
-      << setiosflags(Notify::get_literal_flag())
-      << current_line << "\n";
-    indent(out, col_number-1) 
-      << "^\n" << msg << "\n\n" 
-      << resetiosflags(Notify::get_literal_flag()) << flush;
-  }
-  warning_count++;
-}
-
-void
-eggyywarning(ostringstream &strm) {
-  string s = strm.str();
-  eggyywarning(s);
-}
-
-// Now define a function to take input from an istream instead of a
-// stdio FILE pointer.  This is flex-specific.
-static void
-input_chars(char *buffer, int &result, int max_size) {
-  nassertv(inp != NULL);
-  if (*inp) {
-    inp->read(buffer, max_size);
-    result = inp->gcount();
-
-    if (line_number == 0) {
-      // This is a special case.  If we are reading the very first bit
-      // from the stream, copy it into the current_line array.  This
-      // is because the \n.* rule below, which fills current_line
-      // normally, doesn't catch the first line.
-      int length = min(max_error_width, result);
-      strncpy(current_line, buffer, length);
-      current_line[length] = '\0';
-      line_number++;
-      col_number = 0;
-
-      // Truncate it at the newline.
-      char *end = strchr(current_line, '\n');
-      if (end != NULL) {
-        *end = '\0';
-      }
-    }
-
-  } else {
-    // End of file or I/O error.
-    result = 0;
-  }
-  Thread::consider_yield();
-}
-#undef YY_INPUT
-#define YY_INPUT(buffer, result, max_size) input_chars(buffer, result, max_size)
-
-// read_char reads and returns a single character, incrementing the
-// supplied line and column numbers as appropriate.  A convenience
-// function for the scanning functions below.
-static int
-read_char(int &line, int &col) {
-  int c = yyinput();
-  if (c == '\n') {
-    line++;
-    col = 0;
-  } else {
-    col++;
-  }
-  return c;
-}
-
-// scan_quoted_string reads a string delimited by quotation marks and
-// returns it.
-static string
-scan_quoted_string() {
-  string result;
-
-  // We don't touch the current line number and column number during
-  // scanning, so that if we detect an error while scanning the string
-  // (e.g. an unterminated string), we'll report the error as
-  // occurring at the start of the string, not at the end--somewhat
-  // more convenient for the user.
-
-  // Instead of adjusting the global line_number and col_number
-  // variables, we'll operate on our own local variables for the
-  // interim.
-  int line = line_number;
-  int col = col_number;
-
-  int c;
-  c = read_char(line, col);
-  while (c != '"' && c != EOF) {
-    result += c;
-    c = read_char(line, col);
-  }
-
-  if (c == EOF) {
-    eggyyerror("This quotation mark is unterminated.");
-  }
-
-  line_number = line;
-  col_number = col;
-
-  return result;
-}
-
-// eat_c_comment scans past all characters up until the first */
-// encountered.
-static void
-eat_c_comment() {
-  // As above, we'll operate on our own local copies of line_number
-  // and col_number within this function.
-
-  int line = line_number;
-  int col = col_number;
-
-  int c, last_c;
-  
-  last_c = '\0';
-  c = read_char(line, col);
-  while (c != EOF && !(last_c == '*' && c == '/')) {
-    if (last_c == '/' && c == '*') {
-      ostringstream errmsg;
-      errmsg << "This comment contains a nested /* symbol at line "
-             << line << ", column " << col-1 << "--possibly unclosed?"
-             << ends;
-      eggyywarning(errmsg);
-    }
-    last_c = c;
-    c = read_char(line, col);
-  }
-
-  if (c == EOF) {
-    eggyyerror("This comment marker is unclosed.");
-  }
-
-  line_number = line;
-  col_number = col;
-}
-
-
-// accept() is called below as each piece is pulled off and
-// accepted by the lexer; it increments the current column number.
-INLINE void accept() {
-  col_number += yyleng;
-}
-
-#line 1020 "lex.yy.c"
-
-/* Macros after this point can all be overridden by user definitions in
- * section 1.
- */
-
-#ifndef YY_SKIP_YYWRAP
-#ifdef __cplusplus
-extern "C" int yywrap YY_PROTO(( void ));
-#else
-extern int yywrap YY_PROTO(( void ));
-#endif
-#endif
-
-#ifndef YY_NO_UNPUT
-static void yyunput YY_PROTO(( int c, char *buf_ptr ));
-#endif
-
-#ifndef yytext_ptr
-static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
-#endif
-
-#ifdef YY_NEED_STRLEN
-static int yy_flex_strlen YY_PROTO(( yyconst char * ));
-#endif
-
-#ifndef YY_NO_INPUT
-#ifdef __cplusplus
-static int yyinput YY_PROTO(( void ));
-#else
-static int input YY_PROTO(( void ));
-#endif
-#endif
-
-#if YY_STACK_USED
-static int yy_start_stack_ptr = 0;
-static int yy_start_stack_depth = 0;
-static int *yy_start_stack = 0;
-#ifndef YY_NO_PUSH_STATE
-static void yy_push_state YY_PROTO(( int new_state ));
-#endif
-#ifndef YY_NO_POP_STATE
-static void yy_pop_state YY_PROTO(( void ));
-#endif
-#ifndef YY_NO_TOP_STATE
-static int yy_top_state YY_PROTO(( void ));
-#endif
-
-#else
-#define YY_NO_PUSH_STATE 1
-#define YY_NO_POP_STATE 1
-#define YY_NO_TOP_STATE 1
-#endif
-
-#ifdef YY_MALLOC_DECL
-YY_MALLOC_DECL
-#else
-#if __STDC__
-#ifndef __cplusplus
-#include <stdlib.h>
-#endif
-#else
-/* Just try to get by without declaring the routines.  This will fail
- * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
- * or sizeof(void*) != sizeof(int).
- */
-#endif
-#endif
-
-/* Amount of stuff to slurp up with each read. */
-#ifndef YY_READ_BUF_SIZE
-#define YY_READ_BUF_SIZE 8192
-#endif
-
-/* Copy whatever the last rule matched to the standard output. */
-
-#ifndef ECHO
-/* This used to be an fputs(), but since the string might contain NUL's,
- * we now use fwrite().
- */
-#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
-#endif
-
-/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
- * is returned in "result".
- */
-#ifndef YY_INPUT
-#define YY_INPUT(buf,result,max_size) \
-	if ( yy_current_buffer->yy_is_interactive ) \
-		{ \
-		int c = '*', n; \
-		for ( n = 0; n < max_size && \
-			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
-			buf[n] = (char) c; \
-		if ( c == '\n' ) \
-			buf[n++] = (char) c; \
-		if ( c == EOF && ferror( yyin ) ) \
-			YY_FATAL_ERROR( "input in flex scanner failed" ); \
-		result = n; \
-		} \
-	else \
-		{ \
-		errno=0; \
-		while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
-			{ \
-			if( errno != EINTR) \
-				{ \
-				YY_FATAL_ERROR( "input in flex scanner failed" ); \
-				break; \
-				} \
-			errno=0; \
-			clearerr(yyin); \
-			} \
-		}
-#endif
-
-/* No semi-colon after return; correct usage is to write "yyterminate();" -
- * we don't want an extra ';' after the "return" because that will cause
- * some compilers to complain about unreachable statements.
- */
-#ifndef yyterminate
-#define yyterminate() return YY_NULL
-#endif
-
-/* Number of entries by which start-condition stack grows. */
-#ifndef YY_START_STACK_INCR
-#define YY_START_STACK_INCR 25
-#endif
-
-/* Report a fatal error. */
-#ifndef YY_FATAL_ERROR
-#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
-#endif
-
-/* Default declaration of generated scanner - a define so the user can
- * easily add parameters.
- */
-#ifndef YY_DECL
-#define YY_DECL int yylex YY_PROTO(( void ))
-#endif
-
-/* Code executed at the beginning of each rule, after yytext and yyleng
- * have been set up.
- */
-#ifndef YY_USER_ACTION
-#define YY_USER_ACTION
-#endif
-
-/* Code executed at the end of each rule. */
-#ifndef YY_BREAK
-#define YY_BREAK break;
-#endif
-
-#define YY_RULE_SETUP \
-	YY_USER_ACTION
-
-YY_DECL
-	{
-	register yy_state_type yy_current_state;
-	register char *yy_cp, *yy_bp;
-	register int yy_act;
-
-#line 294 "lexer.lxx"
-
-
-
-  if (initial_token != 0) {
-    int t = initial_token;
-    initial_token = 0;
-    return t;
-  }
-
-
-#line 1193 "lex.yy.c"
-
-	if ( yy_init )
-		{
-		yy_init = 0;
-
-#ifdef YY_USER_INIT
-		YY_USER_INIT;
-#endif
-
-		if ( ! yy_start )
-			yy_start = 1;	/* first start state */
-
-		if ( ! yyin )
-			yyin = stdin;
-
-		if ( ! yyout )
-			yyout = stdout;
-
-		if ( ! yy_current_buffer )
-			yy_current_buffer =
-				yy_create_buffer( yyin, YY_BUF_SIZE );
-
-		yy_load_buffer_state();
-		}
-
-	while ( 1 )		/* loops until end-of-file is reached */
-		{
-		yy_cp = yy_c_buf_p;
-
-		/* Support of yytext. */
-		*yy_cp = yy_hold_char;
-
-		/* yy_bp points to the position in yy_ch_buf of the start of
-		 * the current run.
-		 */
-		yy_bp = yy_cp;
-
-		yy_current_state = yy_start;
-yy_match:
-		do
-			{
-			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
-			if ( yy_accept[yy_current_state] )
-				{
-				yy_last_accepting_state = yy_current_state;
-				yy_last_accepting_cpos = yy_cp;
-				}
-			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
-				{
-				yy_current_state = (int) yy_def[yy_current_state];
-				if ( yy_current_state >= 569 )
-					yy_c = yy_meta[(unsigned int) yy_c];
-				}
-			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
-			++yy_cp;
-			}
-		while ( yy_base[yy_current_state] != 691 );
-
-yy_find_action:
-		yy_act = yy_accept[yy_current_state];
-		if ( yy_act == 0 )
-			{ /* have to back up */
-			yy_cp = yy_last_accepting_cpos;
-			yy_current_state = yy_last_accepting_state;
-			yy_act = yy_accept[yy_current_state];
-			}
-
-		YY_DO_BEFORE_ACTION;
-
-
-do_action:	/* This label is used only to access EOF actions. */
-
-
-		switch ( yy_act )
-	{ /* beginning of action switch */
-			case 0: /* must back up */
-			/* undo the effects of YY_DO_BEFORE_ACTION */
-			*yy_cp = yy_hold_char;
-			yy_cp = yy_last_accepting_cpos;
-			yy_current_state = yy_last_accepting_state;
-			goto yy_find_action;
-
-case 1:
-YY_RULE_SETUP
-#line 304 "lexer.lxx"
-{
-  // New line.  Save a copy of the line so we can print it out for the
-  // benefit of the user in case we get an error.
-
-  strncpy(current_line, yytext+1, max_error_width);
-  current_line[max_error_width] = '\0';
-  line_number++;
-  col_number=0;
-
-  // Return the whole line to the lexer, except the newline character,
-  // which we eat.
-  yyless(1);
-}
-	YY_BREAK
-case 2:
-YY_RULE_SETUP
-#line 318 "lexer.lxx"
-{ 
-  // Eat whitespace.
-  accept();
-}
-	YY_BREAK
-case 3:
-YY_RULE_SETUP
-#line 323 "lexer.lxx"
-{ 
-  // Eat C++-style comments.
-  accept();
-}
-	YY_BREAK
-case 4:
-YY_RULE_SETUP
-#line 328 "lexer.lxx"
-{
-  // Eat C-style comments.
-  accept();
-  eat_c_comment(); 
-}
-	YY_BREAK
-case 5:
-YY_RULE_SETUP
-#line 334 "lexer.lxx"
-{
-  // Send curly braces as themselves.
-  accept(); 
-  return eggyytext[0];
-}
-	YY_BREAK
-case 6:
-YY_RULE_SETUP
-#line 342 "lexer.lxx"
-{
-  accept();
-  return BEZIERCURVE;
-}
-	YY_BREAK
-case 7:
-YY_RULE_SETUP
-#line 346 "lexer.lxx"
-{
-  accept();
-  return BFACE;
-}
-	YY_BREAK
-case 8:
-YY_RULE_SETUP
-#line 350 "lexer.lxx"
-{
-  accept();
-  return BILLBOARD;
-}
-	YY_BREAK
-case 9:
-YY_RULE_SETUP
-#line 354 "lexer.lxx"
-{
-  accept();
-  return BILLBOARDCENTER;
-}
-	YY_BREAK
-case 10:
-YY_RULE_SETUP
-#line 358 "lexer.lxx"
-{
-  accept();
-  return BINORMAL;
-}
-	YY_BREAK
-case 11:
-YY_RULE_SETUP
-#line 362 "lexer.lxx"
-{
-  accept();
-  return BUNDLE;
-}
-	YY_BREAK
-case 12:
-YY_RULE_SETUP
-#line 366 "lexer.lxx"
-{
-  accept();
-  return SCALAR;
-}
-	YY_BREAK
-case 13:
-YY_RULE_SETUP
-#line 370 "lexer.lxx"
-{
-  accept();
-  return CLOSED;
-}
-	YY_BREAK
-case 14:
-YY_RULE_SETUP
-#line 374 "lexer.lxx"
-{
-  accept();
-  return COLLIDE;
-}
-	YY_BREAK
-case 15:
-YY_RULE_SETUP
-#line 378 "lexer.lxx"
-{
-  accept();
-  return COMMENT;
-}
-	YY_BREAK
-case 16:
-YY_RULE_SETUP
-#line 382 "lexer.lxx"
-{
-  accept();
-  return COMPONENT;
-}
-	YY_BREAK
-case 17:
-YY_RULE_SETUP
-#line 386 "lexer.lxx"
-{
-  accept();
-  return COORDSYSTEM;
-}
-	YY_BREAK
-case 18:
-YY_RULE_SETUP
-#line 390 "lexer.lxx"
-{
-  accept();
-  return CV;
-}
-	YY_BREAK
-case 19:
-YY_RULE_SETUP
-#line 394 "lexer.lxx"
-{
-  accept();
-  return DART;
-}
-	YY_BREAK
-case 20:
-YY_RULE_SETUP
-#line 398 "lexer.lxx"
-{
-  accept();
-  return DNORMAL;
-}
-	YY_BREAK
-case 21:
-YY_RULE_SETUP
-#line 402 "lexer.lxx"
-{
-  accept();
-  return DRGBA;
-}
-	YY_BREAK
-case 22:
-YY_RULE_SETUP
-#line 406 "lexer.lxx"
-{
-  accept();
-  return DUV;
-}
-	YY_BREAK
-case 23:
-YY_RULE_SETUP
-#line 410 "lexer.lxx"
-{
-  accept();
-  return DXYZ;
-}
-	YY_BREAK
-case 24:
-YY_RULE_SETUP
-#line 414 "lexer.lxx"
-{
-  accept();
-  return DCS;
-}
-	YY_BREAK
-case 25:
-YY_RULE_SETUP
-#line 418 "lexer.lxx"
-{
-  accept();
-  return DISTANCE;
-}
-	YY_BREAK
-case 26:
-YY_RULE_SETUP
-#line 422 "lexer.lxx"
-{
-  accept();
-  return DTREF;
-}
-	YY_BREAK
-case 27:
-YY_RULE_SETUP
-#line 426 "lexer.lxx"
-{
-  accept();
-  return DYNAMICVERTEXPOOL;
-}
-	YY_BREAK
-case 28:
-YY_RULE_SETUP
-#line 430 "lexer.lxx"
-{
-  accept();
-  return EXTERNAL_FILE;
-}
-	YY_BREAK
-case 29:
-YY_RULE_SETUP
-#line 434 "lexer.lxx"
-{
-  accept();
-  return FLIGHT;
-}
-	YY_BREAK
-case 30:
-YY_RULE_SETUP
-#line 438 "lexer.lxx"
-{
-  accept();
-  return GROUP;
-}
-	YY_BREAK
-case 31:
-YY_RULE_SETUP
-#line 442 "lexer.lxx"
-{
-  accept();
-  return HIP;
-}
-	YY_BREAK
-case 32:
-YY_RULE_SETUP
-#line 446 "lexer.lxx"
-{
-  accept();
-  return INTANGENT;
-}
-	YY_BREAK
-case 33:
-YY_RULE_SETUP
-#line 450 "lexer.lxx"
-{
-  accept();
-  return JOINT;
-}
-	YY_BREAK
-case 34:
-YY_RULE_SETUP
-#line 454 "lexer.lxx"
-{
-  accept();
-  return KNOTS;
-}
-	YY_BREAK
-case 35:
-YY_RULE_SETUP
-#line 458 "lexer.lxx"
-{
-  accept();
-  return INCLUDE;
-}
-	YY_BREAK
-case 36:
-YY_RULE_SETUP
-#line 462 "lexer.lxx"
-{
-  accept();
-  return INSTANCE;
-}
-	YY_BREAK
-case 37:
-YY_RULE_SETUP
-#line 466 "lexer.lxx"
-{
-  accept();
-  return LINE;
-}
-	YY_BREAK
-case 38:
-YY_RULE_SETUP
-#line 470 "lexer.lxx"
-{
-  accept();
-  return LOOP;
-}
-	YY_BREAK
-case 39:
-YY_RULE_SETUP
-#line 474 "lexer.lxx"
-{
-  accept();
-  return MATERIAL;
-}
-	YY_BREAK
-case 40:
-YY_RULE_SETUP
-#line 478 "lexer.lxx"
-{
-  accept();
-  return MATRIX3;
-}
-	YY_BREAK
-case 41:
-YY_RULE_SETUP
-#line 482 "lexer.lxx"
-{
-  accept();
-  return MATRIX4;
-}
-	YY_BREAK
-case 42:
-YY_RULE_SETUP
-#line 486 "lexer.lxx"
-{
-  accept();
-  return MODEL;
-}
-	YY_BREAK
-case 43:
-YY_RULE_SETUP
-#line 490 "lexer.lxx"
-{
-  accept();
-  return MREF;
-}
-	YY_BREAK
-case 44:
-YY_RULE_SETUP
-#line 494 "lexer.lxx"
-{
-  accept();
-  return NORMAL;
-}
-	YY_BREAK
-case 45:
-YY_RULE_SETUP
-#line 498 "lexer.lxx"
-{
-  accept();
-  return NURBSCURVE;
-}
-	YY_BREAK
-case 46:
-YY_RULE_SETUP
-#line 502 "lexer.lxx"
-{
-  accept();
-  return NURBSSURFACE;
-}
-	YY_BREAK
-case 47:
-YY_RULE_SETUP
-#line 506 "lexer.lxx"
-{
-  accept();
-  return OBJECTTYPE;
-}
-	YY_BREAK
-case 48:
-YY_RULE_SETUP
-#line 510 "lexer.lxx"
-{
-  accept();
-  return ORDER;
-}
-	YY_BREAK
-case 49:
-YY_RULE_SETUP
-#line 514 "lexer.lxx"
-{
-  accept();
-  return OUTTANGENT;
-}
-	YY_BREAK
-case 50:
-YY_RULE_SETUP
-#line 518 "lexer.lxx"
-{
-  accept();
-  return POINTLIGHT;
-}
-	YY_BREAK
-case 51:
-YY_RULE_SETUP
-#line 522 "lexer.lxx"
-{
-  accept();
-  return POLYGON;
-}
-	YY_BREAK
-case 52:
-YY_RULE_SETUP
-#line 526 "lexer.lxx"
-{
-  accept();
-  return REF;
-}
-	YY_BREAK
-case 53:
-YY_RULE_SETUP
-#line 530 "lexer.lxx"
-{
-  accept();
-  return RGBA;
-}
-	YY_BREAK
-case 54:
-YY_RULE_SETUP
-#line 534 "lexer.lxx"
-{
-  accept();
-  return ROTATE;
-}
-	YY_BREAK
-case 55:
-YY_RULE_SETUP
-#line 538 "lexer.lxx"
-{
-  accept();
-  return ROTX;
-}
-	YY_BREAK
-case 56:
-YY_RULE_SETUP
-#line 542 "lexer.lxx"
-{
-  accept();
-  return ROTY;
-}
-	YY_BREAK
-case 57:
-YY_RULE_SETUP
-#line 546 "lexer.lxx"
-{
-  accept();
-  return ROTZ;
-}
-	YY_BREAK
-case 58:
-YY_RULE_SETUP
-#line 550 "lexer.lxx"
-{
-  accept();
-  return SANIM;
-}
-	YY_BREAK
-case 59:
-YY_RULE_SETUP
-#line 554 "lexer.lxx"
-{
-  accept();
-  return SCALAR;
-}
-	YY_BREAK
-case 60:
-YY_RULE_SETUP
-#line 558 "lexer.lxx"
-{
-  accept();
-  return SCALE;
-}
-	YY_BREAK
-case 61:
-YY_RULE_SETUP
-#line 562 "lexer.lxx"
-{
-  accept();
-  return SEQUENCE;
-}
-	YY_BREAK
-case 62:
-YY_RULE_SETUP
-#line 566 "lexer.lxx"
-{
-  accept();
-  return SHADING;
-}
-	YY_BREAK
-case 63:
-YY_RULE_SETUP
-#line 570 "lexer.lxx"
-{
-  accept();
-  return SWITCH;
-}
-	YY_BREAK
-case 64:
-YY_RULE_SETUP
-#line 574 "lexer.lxx"
-{
-  accept();
-  return SWITCHCONDITION;
-}
-	YY_BREAK
-case 65:
-YY_RULE_SETUP
-#line 578 "lexer.lxx"
-{
-  accept();
-  return TABLE;
-}
-	YY_BREAK
-case 66:
-YY_RULE_SETUP
-#line 582 "lexer.lxx"
-{
-  accept();
-  return TABLE_V;
-}
-	YY_BREAK
-case 67:
-YY_RULE_SETUP
-#line 586 "lexer.lxx"
-{
-  accept();
-  return TAG;
-}
-	YY_BREAK
-case 68:
-YY_RULE_SETUP
-#line 590 "lexer.lxx"
-{
-  accept();
-  return TANGENT;
-}
-	YY_BREAK
-case 69:
-YY_RULE_SETUP
-#line 594 "lexer.lxx"
-{
-  accept();
-  return TEXLIST;
-}
-	YY_BREAK
-case 70:
-YY_RULE_SETUP
-#line 598 "lexer.lxx"
-{
-  accept();
-  return TEXTURE;
-}
-	YY_BREAK
-case 71:
-YY_RULE_SETUP
-#line 602 "lexer.lxx"
-{
-  accept();
-  return TLENGTHS;
-}
-	YY_BREAK
-case 72:
-YY_RULE_SETUP
-#line 606 "lexer.lxx"
-{
-  accept();
-  return TRANSFORM;
-}
-	YY_BREAK
-case 73:
-YY_RULE_SETUP
-#line 610 "lexer.lxx"
-{
-  accept();
-  return TRANSLATE;
-}
-	YY_BREAK
-case 74:
-YY_RULE_SETUP
-#line 614 "lexer.lxx"
-{
-  accept();
-  return TREF;
-}
-	YY_BREAK
-case 75:
-YY_RULE_SETUP
-#line 618 "lexer.lxx"
-{
-  accept();
-  return TRIANGLEFAN;
-}
-	YY_BREAK
-case 76:
-YY_RULE_SETUP
-#line 622 "lexer.lxx"
-{
-  accept();
-  return TRIANGLESTRIP;
-}
-	YY_BREAK
-case 77:
-YY_RULE_SETUP
-#line 626 "lexer.lxx"
-{
-  accept();
-  return TRIM;
-}
-	YY_BREAK
-case 78:
-YY_RULE_SETUP
-#line 630 "lexer.lxx"
-{
-  accept();
-  return TXT;
-}
-	YY_BREAK
-case 79:
-YY_RULE_SETUP
-#line 634 "lexer.lxx"
-{
-  accept();
-  return UKNOTS;
-}
-	YY_BREAK
-case 80:
-YY_RULE_SETUP
-#line 638 "lexer.lxx"
-{
-  accept();
-  return UKNOTS;
-}
-	YY_BREAK
-case 81:
-YY_RULE_SETUP
-#line 642 "lexer.lxx"
-{
-  accept();
-  return UV;
-}
-	YY_BREAK
-case 82:
-YY_RULE_SETUP
-#line 646 "lexer.lxx"
-{
-  accept();
-  return VKNOTS;
-}
-	YY_BREAK
-case 83:
-YY_RULE_SETUP
-#line 650 "lexer.lxx"
-{
-  accept();
-  return VKNOTS;
-}
-	YY_BREAK
-case 84:
-YY_RULE_SETUP
-#line 654 "lexer.lxx"
-{
-  accept();
-  return VERTEX;
-}
-	YY_BREAK
-case 85:
-YY_RULE_SETUP
-#line 658 "lexer.lxx"
-{
-  accept();
-  return VERTEXANIM;
-}
-	YY_BREAK
-case 86:
-YY_RULE_SETUP
-#line 662 "lexer.lxx"
-{
-  accept();
-  return VERTEXPOOL;
-}
-	YY_BREAK
-case 87:
-YY_RULE_SETUP
-#line 666 "lexer.lxx"
-{
-  accept();
-  return VERTEXREF;
-}
-	YY_BREAK
-case 88:
-YY_RULE_SETUP
-#line 670 "lexer.lxx"
-{
-  accept();
-  return XFMANIM;
-}
-	YY_BREAK
-case 89:
-YY_RULE_SETUP
-#line 674 "lexer.lxx"
-{
-  accept();
-  return XFMSANIM;
-}
-	YY_BREAK
-case 90:
-YY_RULE_SETUP
-#line 681 "lexer.lxx"
-{ 
-  // An integer or floating-point number.
-  accept(); 
-  eggyylval._number = atof(eggyytext); 
-  eggyylval._string = yytext;
-  return EGG_NUMBER; 
-}
-	YY_BREAK
-case 91:
-YY_RULE_SETUP
-#line 689 "lexer.lxx"
-{
-  // A hexadecimal integer number.
-  accept(); 
-  eggyylval._ulong = strtoul(yytext+2, NULL, 16);
-  eggyylval._string = yytext;
-  return EGG_ULONG; 
-}
-	YY_BREAK
-case 92:
-YY_RULE_SETUP
-#line 697 "lexer.lxx"
-{
-  // A binary integer number.
-  accept(); 
-  eggyylval._ulong = strtoul(yytext+2, NULL, 2);
-  eggyylval._string = yytext;
-  return EGG_ULONG; 
-}
-	YY_BREAK
-case 93:
-YY_RULE_SETUP
-#line 705 "lexer.lxx"
-{
-  // not-a-number.  These sometimes show up in egg files accidentally.
-  accept(); 
-  memset(&eggyylval._number, 0, sizeof(eggyylval._number));
-  *(unsigned long *)&eggyylval._number = strtoul(yytext+3, NULL, 0);
-  eggyylval._string = yytext;
-  return EGG_NUMBER;
-}
-	YY_BREAK
-case 94:
-YY_RULE_SETUP
-#line 714 "lexer.lxx"
-{ 
-  // infinity.  As above.
-  accept(); 
-  eggyylval._number = HUGE_VAL;
-  eggyylval._string = yytext;
-  return EGG_NUMBER; 
-}
-	YY_BREAK
-case 95:
-YY_RULE_SETUP
-#line 722 "lexer.lxx"
-{
-  // minus infinity.  As above.
-  accept(); 
-  eggyylval._number = -HUGE_VAL;
-  eggyylval._string = yytext;
-  return EGG_NUMBER; 
-}
-	YY_BREAK
-case 96:
-YY_RULE_SETUP
-#line 730 "lexer.lxx"
-{ 
-  // infinity, on Win32.  As above.
-  accept(); 
-  eggyylval._number = HUGE_VAL;
-  eggyylval._string = yytext;
-  return EGG_NUMBER; 
-}
-	YY_BREAK
-case 97:
-YY_RULE_SETUP
-#line 738 "lexer.lxx"
-{
-  // minus infinity, on Win32.  As above.
-  accept(); 
-  eggyylval._number = -HUGE_VAL;
-  eggyylval._string = yytext;
-  return EGG_NUMBER; 
-}
-	YY_BREAK
-case 98:
-YY_RULE_SETUP
-#line 747 "lexer.lxx"
-{
-  // Quoted string.
-  accept();
-  eggyylval._string = scan_quoted_string();
-  return EGG_STRING;
-}
-	YY_BREAK
-case 99:
-YY_RULE_SETUP
-#line 754 "lexer.lxx"
-{ 
-  // Unquoted string.
-  accept();
-  eggyylval._string = yytext;
-  return EGG_STRING;
-}
-	YY_BREAK
-case 100:
-YY_RULE_SETUP
-#line 760 "lexer.lxx"
-ECHO;
-	YY_BREAK
-#line 2113 "lex.yy.c"
-case YY_STATE_EOF(INITIAL):
-	yyterminate();
-
-	case YY_END_OF_BUFFER:
-		{
-		/* Amount of text matched not including the EOB char. */
-		int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
-
-		/* Undo the effects of YY_DO_BEFORE_ACTION. */
-		*yy_cp = yy_hold_char;
-		YY_RESTORE_YY_MORE_OFFSET
-
-		if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
-			{
-			/* We're scanning a new file or input source.  It's
-			 * possible that this happened because the user
-			 * just pointed yyin at a new source and called
-			 * yylex().  If so, then we have to assure
-			 * consistency between yy_current_buffer and our
-			 * globals.  Here is the right place to do so, because
-			 * this is the first action (other than possibly a
-			 * back-up) that will match for the new input source.
-			 */
-			yy_n_chars = yy_current_buffer->yy_n_chars;
-			yy_current_buffer->yy_input_file = yyin;
-			yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
-			}
-
-		/* Note that here we test for yy_c_buf_p "<=" to the position
-		 * of the first EOB in the buffer, since yy_c_buf_p will
-		 * already have been incremented past the NUL character
-		 * (since all states make transitions on EOB to the
-		 * end-of-buffer state).  Contrast this with the test
-		 * in input().
-		 */
-		if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
-			{ /* This was really a NUL. */
-			yy_state_type yy_next_state;
-
-			yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
-
-			yy_current_state = yy_get_previous_state();
-
-			/* Okay, we're now positioned to make the NUL
-			 * transition.  We couldn't have
-			 * yy_get_previous_state() go ahead and do it
-			 * for us because it doesn't know how to deal
-			 * with the possibility of jamming (and we don't
-			 * want to build jamming into it because then it
-			 * will run more slowly).
-			 */
-
-			yy_next_state = yy_try_NUL_trans( yy_current_state );
-
-			yy_bp = yytext_ptr + YY_MORE_ADJ;
-
-			if ( yy_next_state )
-				{
-				/* Consume the NUL. */
-				yy_cp = ++yy_c_buf_p;
-				yy_current_state = yy_next_state;
-				goto yy_match;
-				}
-
-			else
-				{
-				yy_cp = yy_c_buf_p;
-				goto yy_find_action;
-				}
-			}
-
-		else switch ( yy_get_next_buffer() )
-			{
-			case EOB_ACT_END_OF_FILE:
-				{
-				yy_did_buffer_switch_on_eof = 0;
-
-				if ( yywrap() )
-					{
-					/* Note: because we've taken care in
-					 * yy_get_next_buffer() to have set up
-					 * yytext, we can now set up
-					 * yy_c_buf_p so that if some total
-					 * hoser (like flex itself) wants to
-					 * call the scanner after we return the
-					 * YY_NULL, it'll still work - another
-					 * YY_NULL will get returned.
-					 */
-					yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
-
-					yy_act = YY_STATE_EOF(YY_START);
-					goto do_action;
-					}
-
-				else
-					{
-					if ( ! yy_did_buffer_switch_on_eof )
-						YY_NEW_FILE;
-					}
-				break;
-				}
-
-			case EOB_ACT_CONTINUE_SCAN:
-				yy_c_buf_p =
-					yytext_ptr + yy_amount_of_matched_text;
-
-				yy_current_state = yy_get_previous_state();
-
-				yy_cp = yy_c_buf_p;
-				yy_bp = yytext_ptr + YY_MORE_ADJ;
-				goto yy_match;
-
-			case EOB_ACT_LAST_MATCH:
-				yy_c_buf_p =
-				&yy_current_buffer->yy_ch_buf[yy_n_chars];
-
-				yy_current_state = yy_get_previous_state();
-
-				yy_cp = yy_c_buf_p;
-				yy_bp = yytext_ptr + YY_MORE_ADJ;
-				goto yy_find_action;
-			}
-		break;
-		}
-
-	default:
-		YY_FATAL_ERROR(
-			"fatal flex scanner internal error--no action found" );
-	} /* end of action switch */
-		} /* end of scanning one token */
-	} /* end of yylex */
-
-
-/* yy_get_next_buffer - try to read in a new buffer
- *
- * Returns a code representing an action:
- *	EOB_ACT_LAST_MATCH -
- *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
- *	EOB_ACT_END_OF_FILE - end of file
- */
-
-static int yy_get_next_buffer()
-	{
-	register char *dest = yy_current_buffer->yy_ch_buf;
-	register char *source = yytext_ptr;
-	register int number_to_move, i;
-	int ret_val;
-
-	if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
-		YY_FATAL_ERROR(
-		"fatal flex scanner internal error--end of buffer missed" );
-
-	if ( yy_current_buffer->yy_fill_buffer == 0 )
-		{ /* Don't try to fill the buffer, so this is an EOF. */
-		if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
-			{
-			/* We matched a single character, the EOB, so
-			 * treat this as a final EOF.
-			 */
-			return EOB_ACT_END_OF_FILE;
-			}
-
-		else
-			{
-			/* We matched some text prior to the EOB, first
-			 * process it.
-			 */
-			return EOB_ACT_LAST_MATCH;
-			}
-		}
-
-	/* Try to read more data. */
-
-	/* First move last chars to start of buffer. */
-	number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
-
-	for ( i = 0; i < number_to_move; ++i )
-		*(dest++) = *(source++);
-
-	if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
-		/* don't do the read, it's not guaranteed to return an EOF,
-		 * just force an EOF
-		 */
-		yy_current_buffer->yy_n_chars = yy_n_chars = 0;
-
-	else
-		{
-		int num_to_read =
-			yy_current_buffer->yy_buf_size - number_to_move - 1;
-
-		while ( num_to_read <= 0 )
-			{ /* Not enough room in the buffer - grow it. */
-#ifdef YY_USES_REJECT
-			YY_FATAL_ERROR(
-"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
-#else
-
-			/* just a shorter name for the current buffer */
-			YY_BUFFER_STATE b = yy_current_buffer;
-
-			int yy_c_buf_p_offset =
-				(int) (yy_c_buf_p - b->yy_ch_buf);
-
-			if ( b->yy_is_our_buffer )
-				{
-				int new_size = b->yy_buf_size * 2;
-
-				if ( new_size <= 0 )
-					b->yy_buf_size += b->yy_buf_size / 8;
-				else
-					b->yy_buf_size *= 2;
-
-				b->yy_ch_buf = (char *)
-					/* Include room in for 2 EOB chars. */
-					yy_flex_realloc( (void *) b->yy_ch_buf,
-							 b->yy_buf_size + 2 );
-				}
-			else
-				/* Can't grow it, we don't own it. */
-				b->yy_ch_buf = 0;
-
-			if ( ! b->yy_ch_buf )
-				YY_FATAL_ERROR(
-				"fatal error - scanner input buffer overflow" );
-
-			yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
-
-			num_to_read = yy_current_buffer->yy_buf_size -
-						number_to_move - 1;
-#endif
-			}
-
-		if ( num_to_read > YY_READ_BUF_SIZE )
-			num_to_read = YY_READ_BUF_SIZE;
-
-		/* Read in more data. */
-		YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
-			yy_n_chars, num_to_read );
-
-		yy_current_buffer->yy_n_chars = yy_n_chars;
-		}
-
-	if ( yy_n_chars == 0 )
-		{
-		if ( number_to_move == YY_MORE_ADJ )
-			{
-			ret_val = EOB_ACT_END_OF_FILE;
-			yyrestart( yyin );
-			}
-
-		else
-			{
-			ret_val = EOB_ACT_LAST_MATCH;
-			yy_current_buffer->yy_buffer_status =
-				YY_BUFFER_EOF_PENDING;
-			}
-		}
-
-	else
-		ret_val = EOB_ACT_CONTINUE_SCAN;
-
-	yy_n_chars += number_to_move;
-	yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
-	yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
-
-	yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
-
-	return ret_val;
-	}
-
-
-/* yy_get_previous_state - get the state just before the EOB char was reached */
-
-static yy_state_type yy_get_previous_state()
-	{
-	register yy_state_type yy_current_state;
-	register char *yy_cp;
-
-	yy_current_state = yy_start;
-
-	for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
-		{
-		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
-		if ( yy_accept[yy_current_state] )
-			{
-			yy_last_accepting_state = yy_current_state;
-			yy_last_accepting_cpos = yy_cp;
-			}
-		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
-			{
-			yy_current_state = (int) yy_def[yy_current_state];
-			if ( yy_current_state >= 569 )
-				yy_c = yy_meta[(unsigned int) yy_c];
-			}
-		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
-		}
-
-	return yy_current_state;
-	}
-
-
-/* yy_try_NUL_trans - try to make a transition on the NUL character
- *
- * synopsis
- *	next_state = yy_try_NUL_trans( current_state );
- */
-
-#ifdef YY_USE_PROTOS
-static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
-#else
-static yy_state_type yy_try_NUL_trans( yy_current_state )
-yy_state_type yy_current_state;
-#endif
-	{
-	register int yy_is_jam;
-	register char *yy_cp = yy_c_buf_p;
-
-	register YY_CHAR yy_c = 1;
-	if ( yy_accept[yy_current_state] )
-		{
-		yy_last_accepting_state = yy_current_state;
-		yy_last_accepting_cpos = yy_cp;
-		}
-	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
-		{
-		yy_current_state = (int) yy_def[yy_current_state];
-		if ( yy_current_state >= 569 )
-			yy_c = yy_meta[(unsigned int) yy_c];
-		}
-	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
-	yy_is_jam = (yy_current_state == 568);
-
-	return yy_is_jam ? 0 : yy_current_state;
-	}
-
-
-#ifndef YY_NO_UNPUT
-#ifdef YY_USE_PROTOS
-static void yyunput( int c, register char *yy_bp )
-#else
-static void yyunput( c, yy_bp )
-int c;
-register char *yy_bp;
-#endif
-	{
-	register char *yy_cp = yy_c_buf_p;
-
-	/* undo effects of setting up yytext */
-	*yy_cp = yy_hold_char;
-
-	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
-		{ /* need to shift things up to make room */
-		/* +2 for EOB chars. */
-		register int number_to_move = yy_n_chars + 2;
-		register char *dest = &yy_current_buffer->yy_ch_buf[
-					yy_current_buffer->yy_buf_size + 2];
-		register char *source =
-				&yy_current_buffer->yy_ch_buf[number_to_move];
-
-		while ( source > yy_current_buffer->yy_ch_buf )
-			*--dest = *--source;
-
-		yy_cp += (int) (dest - source);
-		yy_bp += (int) (dest - source);
-		yy_current_buffer->yy_n_chars =
-			yy_n_chars = yy_current_buffer->yy_buf_size;
-
-		if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
-			YY_FATAL_ERROR( "flex scanner push-back overflow" );
-		}
-
-	*--yy_cp = (char) c;
-
-
-	yytext_ptr = yy_bp;
-	yy_hold_char = *yy_cp;
-	yy_c_buf_p = yy_cp;
-	}
-#endif	/* ifndef YY_NO_UNPUT */
-
-
-#ifdef __cplusplus
-static int yyinput()
-#else
-static int input()
-#endif
-	{
-	int c;
-
-	*yy_c_buf_p = yy_hold_char;
-
-	if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
-		{
-		/* yy_c_buf_p now points to the character we want to return.
-		 * If this occurs *before* the EOB characters, then it's a
-		 * valid NUL; if not, then we've hit the end of the buffer.
-		 */
-		if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
-			/* This was really a NUL. */
-			*yy_c_buf_p = '\0';
-
-		else
-			{ /* need more input */
-			int offset = yy_c_buf_p - yytext_ptr;
-			++yy_c_buf_p;
-
-			switch ( yy_get_next_buffer() )
-				{
-				case EOB_ACT_LAST_MATCH:
-					/* This happens because yy_g_n_b()
-					 * sees that we've accumulated a
-					 * token and flags that we need to
-					 * try matching the token before
-					 * proceeding.  But for input(),
-					 * there's no matching to consider.
-					 * So convert the EOB_ACT_LAST_MATCH
-					 * to EOB_ACT_END_OF_FILE.
-					 */
-
-					/* Reset buffer status. */
-					yyrestart( yyin );
-
-					/* fall through */
-
-				case EOB_ACT_END_OF_FILE:
-					{
-					if ( yywrap() )
-						return EOF;
-
-					if ( ! yy_did_buffer_switch_on_eof )
-						YY_NEW_FILE;
-#ifdef __cplusplus
-					return yyinput();
-#else
-					return input();
-#endif
-					}
-
-				case EOB_ACT_CONTINUE_SCAN:
-					yy_c_buf_p = yytext_ptr + offset;
-					break;
-				}
-			}
-		}
-
-	c = *(unsigned char *) yy_c_buf_p;	/* cast for 8-bit char's */
-	*yy_c_buf_p = '\0';	/* preserve yytext */
-	yy_hold_char = *++yy_c_buf_p;
-
-
-	return c;
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yyrestart( FILE *input_file )
-#else
-void yyrestart( input_file )
-FILE *input_file;
-#endif
-	{
-	if ( ! yy_current_buffer )
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
-
-	yy_init_buffer( yy_current_buffer, input_file );
-	yy_load_buffer_state();
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
-#else
-void yy_switch_to_buffer( new_buffer )
-YY_BUFFER_STATE new_buffer;
-#endif
-	{
-	if ( yy_current_buffer == new_buffer )
-		return;
-
-	if ( yy_current_buffer )
-		{
-		/* Flush out information for old buffer. */
-		*yy_c_buf_p = yy_hold_char;
-		yy_current_buffer->yy_buf_pos = yy_c_buf_p;
-		yy_current_buffer->yy_n_chars = yy_n_chars;
-		}
-
-	yy_current_buffer = new_buffer;
-	yy_load_buffer_state();
-
-	/* We don't actually know whether we did this switch during
-	 * EOF (yywrap()) processing, but the only time this flag
-	 * is looked at is after yywrap() is called, so it's safe
-	 * to go ahead and always set it.
-	 */
-	yy_did_buffer_switch_on_eof = 1;
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yy_load_buffer_state( void )
-#else
-void yy_load_buffer_state()
-#endif
-	{
-	yy_n_chars = yy_current_buffer->yy_n_chars;
-	yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
-	yyin = yy_current_buffer->yy_input_file;
-	yy_hold_char = *yy_c_buf_p;
-	}
-
-
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
-#else
-YY_BUFFER_STATE yy_create_buffer( file, size )
-FILE *file;
-int size;
-#endif
-	{
-	YY_BUFFER_STATE b;
-
-	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
-	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
-	b->yy_buf_size = size;
-
-	/* yy_ch_buf has to be 2 characters longer than the size given because
-	 * we need to put in 2 end-of-buffer characters.
-	 */
-	b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
-	if ( ! b->yy_ch_buf )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
-	b->yy_is_our_buffer = 1;
-
-	yy_init_buffer( b, file );
-
-	return b;
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yy_delete_buffer( YY_BUFFER_STATE b )
-#else
-void yy_delete_buffer( b )
-YY_BUFFER_STATE b;
-#endif
-	{
-	if ( ! b )
-		return;
-
-	if ( b == yy_current_buffer )
-		yy_current_buffer = (YY_BUFFER_STATE) 0;
-
-	if ( b->yy_is_our_buffer )
-		yy_flex_free( (void *) b->yy_ch_buf );
-
-	yy_flex_free( (void *) b );
-	}
-
-
-#ifndef _WIN32
-#else
-#ifndef YY_ALWAYS_INTERACTIVE
-#ifndef YY_NEVER_INTERACTIVE
-extern int isatty YY_PROTO(( int ));
-#endif
-#endif
-#endif
-
-#ifdef YY_USE_PROTOS
-void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
-#else
-void yy_init_buffer( b, file )
-YY_BUFFER_STATE b;
-FILE *file;
-#endif
-
-
-	{
-	yy_flush_buffer( b );
-
-	b->yy_input_file = file;
-	b->yy_fill_buffer = 1;
-
-#if YY_ALWAYS_INTERACTIVE
-	b->yy_is_interactive = 1;
-#else
-#if YY_NEVER_INTERACTIVE
-	b->yy_is_interactive = 0;
-#else
-	b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
-#endif
-#endif
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yy_flush_buffer( YY_BUFFER_STATE b )
-#else
-void yy_flush_buffer( b )
-YY_BUFFER_STATE b;
-#endif
-
-	{
-	if ( ! b )
-		return;
-
-	b->yy_n_chars = 0;
-
-	/* We always need two end-of-buffer characters.  The first causes
-	 * a transition to the end-of-buffer state.  The second causes
-	 * a jam in that state.
-	 */
-	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
-	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
-
-	b->yy_buf_pos = &b->yy_ch_buf[0];
-
-	b->yy_at_bol = 1;
-	b->yy_buffer_status = YY_BUFFER_NEW;
-
-	if ( b == yy_current_buffer )
-		yy_load_buffer_state();
-	}
-
-
-#ifndef YY_NO_SCAN_BUFFER
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
-#else
-YY_BUFFER_STATE yy_scan_buffer( base, size )
-char *base;
-yy_size_t size;
-#endif
-	{
-	YY_BUFFER_STATE b;
-
-	if ( size < 2 ||
-	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
-	     base[size-1] != YY_END_OF_BUFFER_CHAR )
-		/* They forgot to leave room for the EOB's. */
-		return 0;
-
-	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
-	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
-
-	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
-	b->yy_buf_pos = b->yy_ch_buf = base;
-	b->yy_is_our_buffer = 0;
-	b->yy_input_file = 0;
-	b->yy_n_chars = b->yy_buf_size;
-	b->yy_is_interactive = 0;
-	b->yy_at_bol = 1;
-	b->yy_fill_buffer = 0;
-	b->yy_buffer_status = YY_BUFFER_NEW;
-
-	yy_switch_to_buffer( b );
-
-	return b;
-	}
-#endif
-
-
-#ifndef YY_NO_SCAN_STRING
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
-#else
-YY_BUFFER_STATE yy_scan_string( yy_str )
-yyconst char *yy_str;
-#endif
-	{
-	int len;
-	for ( len = 0; yy_str[len]; ++len )
-		;
-
-	return yy_scan_bytes( yy_str, len );
-	}
-#endif
-
-
-#ifndef YY_NO_SCAN_BYTES
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
-#else
-YY_BUFFER_STATE yy_scan_bytes( bytes, len )
-yyconst char *bytes;
-int len;
-#endif
-	{
-	YY_BUFFER_STATE b;
-	char *buf;
-	yy_size_t n;
-	int i;
-
-	/* Get memory for full buffer, including space for trailing EOB's. */
-	n = len + 2;
-	buf = (char *) yy_flex_alloc( n );
-	if ( ! buf )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
-
-	for ( i = 0; i < len; ++i )
-		buf[i] = bytes[i];
-
-	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
-
-	b = yy_scan_buffer( buf, n );
-	if ( ! b )
-		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
-
-	/* It's okay to grow etc. this buffer, and we should throw it
-	 * away when we're done.
-	 */
-	b->yy_is_our_buffer = 1;
-
-	return b;
-	}
-#endif
-
-
-#ifndef YY_NO_PUSH_STATE
-#ifdef YY_USE_PROTOS
-static void yy_push_state( int new_state )
-#else
-static void yy_push_state( new_state )
-int new_state;
-#endif
-	{
-	if ( yy_start_stack_ptr >= yy_start_stack_depth )
-		{
-		yy_size_t new_size;
-
-		yy_start_stack_depth += YY_START_STACK_INCR;
-		new_size = yy_start_stack_depth * sizeof( int );
-
-		if ( ! yy_start_stack )
-			yy_start_stack = (int *) yy_flex_alloc( new_size );
-
-		else
-			yy_start_stack = (int *) yy_flex_realloc(
-					(void *) yy_start_stack, new_size );
-
-		if ( ! yy_start_stack )
-			YY_FATAL_ERROR(
-			"out of memory expanding start-condition stack" );
-		}
-
-	yy_start_stack[yy_start_stack_ptr++] = YY_START;
-
-	BEGIN(new_state);
-	}
-#endif
-
-
-#ifndef YY_NO_POP_STATE
-static void yy_pop_state()
-	{
-	if ( --yy_start_stack_ptr < 0 )
-		YY_FATAL_ERROR( "start-condition stack underflow" );
-
-	BEGIN(yy_start_stack[yy_start_stack_ptr]);
-	}
-#endif
-
-
-#ifndef YY_NO_TOP_STATE
-static int yy_top_state()
-	{
-	return yy_start_stack[yy_start_stack_ptr - 1];
-	}
-#endif
-
-#ifndef YY_EXIT_FAILURE
-#define YY_EXIT_FAILURE 2
-#endif
-
-#ifdef YY_USE_PROTOS
-static void yy_fatal_error( yyconst char msg[] )
-#else
-static void yy_fatal_error( msg )
-char msg[];
-#endif
-	{
-	(void) fprintf( stderr, "%s\n", msg );
-	exit( YY_EXIT_FAILURE );
-	}
-
-
-
-/* Redefine yyless() so it works in section 3 code. */
-
-#undef yyless
-#define yyless(n) \
-	do \
-		{ \
-		/* Undo effects of setting up yytext. */ \
-		yytext[yyleng] = yy_hold_char; \
-		yy_c_buf_p = yytext + n; \
-		yy_hold_char = *yy_c_buf_p; \
-		*yy_c_buf_p = '\0'; \
-		yyleng = n; \
-		} \
-	while ( 0 )
-
-
-/* Internal utility routines. */
-
-#ifndef yytext_ptr
-#ifdef YY_USE_PROTOS
-static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
-#else
-static void yy_flex_strncpy( s1, s2, n )
-char *s1;
-yyconst char *s2;
-int n;
-#endif
-	{
-	register int i;
-	for ( i = 0; i < n; ++i )
-		s1[i] = s2[i];
-	}
-#endif
-
-#ifdef YY_NEED_STRLEN
-#ifdef YY_USE_PROTOS
-static int yy_flex_strlen( yyconst char *s )
-#else
-static int yy_flex_strlen( s )
-yyconst char *s;
-#endif
-	{
-	register int n;
-	for ( n = 0; s[n]; ++n )
-		;
-
-	return n;
-	}
-#endif
-
-
-#ifdef YY_USE_PROTOS
-static void *yy_flex_alloc( yy_size_t size )
-#else
-static void *yy_flex_alloc( size )
-yy_size_t size;
-#endif
-	{
-	return (void *) malloc( size );
-	}
-
-#ifdef YY_USE_PROTOS
-static void *yy_flex_realloc( void *ptr, yy_size_t size )
-#else
-static void *yy_flex_realloc( ptr, size )
-void *ptr;
-yy_size_t size;
-#endif
-	{
-	/* The cast to (char *) in the following accommodates both
-	 * implementations that use char* generic pointers, and those
-	 * that use void* generic pointers.  It works with the latter
-	 * because both ANSI C and C++ allow castless assignment from
-	 * any pointer type to void*, and deal with argument conversions
-	 * as though doing an assignment.
-	 */
-	return (void *) realloc( (char *) ptr, size );
-	}
-
-#ifdef YY_USE_PROTOS
-static void yy_flex_free( void *ptr )
-#else
-static void yy_flex_free( ptr )
-void *ptr;
-#endif
-	{
-	free( ptr );
-	}
-
-#if YY_MAIN
-int main()
-	{
-	yylex();
-	return 0;
-	}
-#endif
-#line 760 "lexer.lxx"
+#define yy_create_buffer eggyy_create_buffer
+#define yy_delete_buffer eggyy_delete_buffer
+#define yy_scan_buffer eggyy_scan_buffer
+#define yy_scan_string eggyy_scan_string
+#define yy_scan_bytes eggyy_scan_bytes
+#define yy_flex_debug eggyy_flex_debug
+#define yy_init_buffer eggyy_init_buffer
+#define yy_flush_buffer eggyy_flush_buffer
+#define yy_load_buffer_state eggyy_load_buffer_state
+#define yy_switch_to_buffer eggyy_switch_to_buffer
+#define yyin eggyyin
+#define yyleng eggyyleng
+#define yylex eggyylex
+#define yyout eggyyout
+#define yyrestart eggyyrestart
+#define yytext eggyytext
+#define yywrap eggyywrap
+
+#line 20 "lex.yy.c"
+/* A lexical scanner generated by flex */
+
+/* Scanner skeleton version:
+ * $Header$
+ */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+
+#include <stdio.h>
+
+
+/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
+#ifdef c_plusplus
+#ifndef __cplusplus
+#define __cplusplus
+#endif
+#endif
+
+
+#ifdef __cplusplus
+
+#include <stdlib.h>
+
+/* Use prototypes in function declarations. */
+#define YY_USE_PROTOS
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else	/* ! __cplusplus */
+
+#if __STDC__
+
+#define YY_USE_PROTOS
+#define YY_USE_CONST
+
+#endif	/* __STDC__ */
+#endif	/* ! __cplusplus */
+
+#ifdef __TURBOC__
+ #pragma warn -rch
+ #pragma warn -use
+#include <io.h>
+#include <stdlib.h>
+#define YY_USE_CONST
+#define YY_USE_PROTOS
+#endif
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+
+#ifdef YY_USE_PROTOS
+#define YY_PROTO(proto) proto
+#else
+#define YY_PROTO(proto) ()
+#endif
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+
+/* Promotes a possibly negative, possibly signed char to an unsigned
+ * integer for use as an array index.  If the signed char is negative,
+ * we want to instead treat it as an 8-bit unsigned char, hence the
+ * double cast.
+ */
+#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
+
+/* Enter a start condition.  This macro really ought to take a parameter,
+ * but we do it the disgusting crufty way forced on us by the ()-less
+ * definition of BEGIN.
+ */
+#define BEGIN yy_start = 1 + 2 *
+
+/* Translate the current start state into a value that can be later handed
+ * to BEGIN to return to the state.  The YYSTATE alias is for lex
+ * compatibility.
+ */
+#define YY_START ((yy_start - 1) / 2)
+#define YYSTATE YY_START
+
+/* Action number for EOF rule of a given start state. */
+#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
+
+/* Special action meaning "start processing a new file". */
+#define YY_NEW_FILE yyrestart( yyin )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#define YY_BUF_SIZE 16384
+
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+
+extern int yyleng;
+extern FILE *yyin, *yyout;
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+/* The funky do-while in the following #define is used to turn the definition
+ * int a single C statement (which needs a semi-colon terminator).  This
+ * avoids problems with code like:
+ *
+ * 	if ( condition_holds )
+ *		yyless( 5 );
+ *	else
+ *		do_something_else();
+ *
+ * Prior to using the do-while the compiler would get upset at the
+ * "else" because it interpreted the "if" statement as being all
+ * done when it reached the ';' after the yyless() call.
+ */
+
+/* Return all but the first 'n' matched characters back to the input stream. */
+
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+		*yy_cp = yy_hold_char; \
+		YY_RESTORE_YY_MORE_OFFSET \
+		yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		} \
+	while ( 0 )
+
+#define unput(c) yyunput( c, yytext_ptr )
+
+/* The following is because we cannot portably get our hands on size_t
+ * (without autoconf's help, which isn't available because we want
+ * flex-generated scanners to compile on their own).
+ */
+typedef unsigned int yy_size_t;
+
+
+struct yy_buffer_state
+	{
+	FILE *yy_input_file;
+
+	char *yy_ch_buf;		/* input buffer */
+	char *yy_buf_pos;		/* current position in input buffer */
+
+	/* Size of input buffer in bytes, not including room for EOB
+	 * characters.
+	 */
+	yy_size_t yy_buf_size;
+
+	/* Number of characters read into yy_ch_buf, not including EOB
+	 * characters.
+	 */
+	int yy_n_chars;
+
+	/* Whether we "own" the buffer - i.e., we know we created it,
+	 * and can realloc() it to grow it, and should free() it to
+	 * delete it.
+	 */
+	int yy_is_our_buffer;
+
+	/* Whether this is an "interactive" input source; if so, and
+	 * if we're using stdio for input, then we want to use getc()
+	 * instead of fread(), to make sure we stop fetching input after
+	 * each newline.
+	 */
+	int yy_is_interactive;
+
+	/* Whether we're considered to be at the beginning of a line.
+	 * If so, '^' rules will be active on the next match, otherwise
+	 * not.
+	 */
+	int yy_at_bol;
+
+	/* Whether to try to fill the input buffer when we reach the
+	 * end of it.
+	 */
+	int yy_fill_buffer;
+
+	int yy_buffer_status;
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+	/* When an EOF's been seen but there's still some text to process
+	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
+	 * shouldn't try reading from the input source any more.  We might
+	 * still have a bunch of tokens to match, though, because of
+	 * possible backing-up.
+	 *
+	 * When we actually see the EOF, we change the status to "new"
+	 * (via yyrestart()), so that the user can continue scanning by
+	 * just pointing yyin at a new input file.
+	 */
+#define YY_BUFFER_EOF_PENDING 2
+	};
+
+static YY_BUFFER_STATE yy_current_buffer = 0;
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ */
+#define YY_CURRENT_BUFFER yy_current_buffer
+
+
+/* yy_hold_char holds the character lost when yytext is formed. */
+static char yy_hold_char;
+
+static int yy_n_chars;		/* number of characters read into yy_ch_buf */
+
+
+int yyleng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 1;		/* whether we need to initialize */
+static int yy_start = 0;	/* start state number */
+
+/* Flag which is used to allow yywrap()'s to do buffer switches
+ * instead of setting up a fresh yyin.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+
+void yyrestart YY_PROTO(( FILE *input_file ));
+
+void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
+void yy_load_buffer_state YY_PROTO(( void ));
+YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
+void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
+void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
+void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
+#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
+
+YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
+YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
+YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
+
+static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
+static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
+static void yy_flex_free YY_PROTO(( void * ));
+
+#define yy_new_buffer yy_create_buffer
+
+#define yy_set_interactive(is_interactive) \
+	{ \
+	if ( ! yy_current_buffer ) \
+		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	yy_current_buffer->yy_is_interactive = is_interactive; \
+	}
+
+#define yy_set_bol(at_bol) \
+	{ \
+	if ( ! yy_current_buffer ) \
+		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
+	yy_current_buffer->yy_at_bol = at_bol; \
+	}
+
+#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
+
+typedef unsigned char YY_CHAR;
+FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+typedef int yy_state_type;
+extern char *yytext;
+#define yytext_ptr yytext
+
+static yy_state_type yy_get_previous_state YY_PROTO(( void ));
+static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
+static int yy_get_next_buffer YY_PROTO(( void ));
+static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up yytext.
+ */
+#define YY_DO_BEFORE_ACTION \
+	yytext_ptr = yy_bp; \
+	yyleng = (int) (yy_cp - yy_bp); \
+	yy_hold_char = *yy_cp; \
+	*yy_cp = '\0'; \
+	yy_c_buf_p = yy_cp;
+
+#define YY_NUM_RULES 101
+#define YY_END_OF_BUFFER 102
+static yyconst short int yy_accept[581] =
+    {   0,
+        0,    0,  102,  100,    2,    1,   99,  100,  100,  100,
+      100,   91,   91,   91,  100,  100,  100,    5,  100,    1,
+      100,   91,   91,  100,   91,    4,    3,   91,   93,  100,
+       92,   91,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,   91,  100,    3,    3,   93,
+      100,   91,   92,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,   67,  100,  100,
+      100,   95,  100,  100,   96,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,   19,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,   33,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,   82,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+
+      100,  100,  100,  100,  100,  100,  100,  100,   25,  100,
+      100,  100,  100,   23,  100,  100,  100,  100,  100,   32,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,   53,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,   68,
+      100,  100,  100,  100,  100,  100,  100,  100,   79,  100,
+      100,  100,  100,  100,  100,   94,  100,   97,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+       20,  100,  100,  100,  100,   24,  100,   29,  100,  100,
+      100,  100,  100,  100,   38,   39,  100,  100,  100,   44,
+
+      100,  100,  100,  100,  100,  100,  100,   54,  100,   56,
+       57,   58,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,   75,  100,   78,  100,  100,  100,
+      100,  100,  100,   94,   98,  100,  100,    8,  100,  100,
+      100,   13,  100,  100,  100,  100,  100,  100,  100,   22,
+       27,  100,  100,   31,  100,  100,   34,   35,  100,  100,
+       43,  100,  100,  100,  100,   49,  100,  100,  100,  100,
+      100,  100,   61,  100,  100,  100,   66,  100,  100,  100,
+      100,  100,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,   12,   14,  100,  100,  100,  100,
+
+      100,  100,  100,  100,  100,  100,  100,  100,  100,   45,
+      100,  100,  100,  100,  100,  100,   55,   59,   60,  100,
+      100,   64,  100,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,  100,  100,   85,  100,  100,  100,  100,  100,
+      100,  100,  100,   15,   16,  100,  100,  100,   21,  100,
+      100,   36,  100,  100,   41,   42,  100,  100,  100,  100,
+      100,   52,  100,   63,  100,   69,   70,   71,  100,  100,
+      100,  100,   80,   81,   83,   84,  100,  100,  100,  100,
+      100,  100,  100,   11,  100,  100,   26,  100,  100,   37,
+       40,  100,  100,  100,  100,  100,   62,  100,   72,  100,
+
+      100,  100,  100,  100,  100,  100,   89,  100,  100,  100,
+        9,  100,   17,  100,  100,  100,  100,  100,  100,  100,
+      100,  100,   73,   74,  100,  100,  100,  100,   88,  100,
+      100,  100,  100,  100,  100,   30,   46,  100,   48,   50,
+       51,  100,  100,  100,   86,   87,  100,    6,    7,  100,
+      100,  100,  100,  100,   76,  100,   90,  100,  100,  100,
+       47,  100,  100,  100,  100,  100,  100,   77,  100,  100,
+      100,  100,   10,  100,  100,   65,   18,  100,   28,    0
+    } ;
+
+static yyconst int yy_ec[256] =
+    {   0,
+        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
+        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    2,    1,    4,    5,    6,    1,    1,    1,    1,
+        1,    7,    8,    1,    9,   10,   11,   12,   13,   14,
+       15,   16,   14,   14,   14,   14,   14,    1,    1,   17,
+        1,   18,    1,    1,   20,   21,   22,   23,   24,   25,
+       26,   27,   28,   29,   30,   31,   32,   33,   34,   35,
+       36,   37,   38,   39,   40,   41,   42,   43,   44,   45,
+        1,    1,    1,    1,   19,    1,   20,   21,   22,   23,
+
+       24,   25,   26,   27,   28,   29,   30,   31,   32,   33,
+       34,   35,   36,   37,   38,   39,   40,   41,   42,   43,
+       44,   45,   46,    1,   46,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1
+    } ;
+
+static yyconst int yy_meta[47] =
+    {   0,
+        1,    2,    3,    2,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,    1,    2
+    } ;
+
+static yyconst short int yy_base[586] =
+    {   0,
+        0,   45,  702,    0,  703,    0,  703,    8,   82,   22,
+       18,  101,    9,   20,  125,  668,  680,  703,    0,    0,
+       52,   29,   59,  666,   69,    0,   40,  114,   14,  161,
+      166,  187,  665,   79,  108,  192,   12,  660,  668,  662,
+      660,  660,   11,   86,   36,   50,  658,   75,  191,  185,
+       99,  221,  666,  665,  656,  241,  663,   75,    0,   19,
+      235,  246,    0,  659,  658,  640,  664,  100,  650,  662,
+      647,  162,  662,  642,  640,  639,  642,  649,  637,  632,
+      628,  638,  639,  630,  634,  632,  186,  638,  631,  631,
+      629,  623,  638,  636,  622,  621,  628,  633,  616,  106,
+
+      629,  632,  613,  631,  630,  613,  628,  619,   79,  603,
+      621,  199,  605,  613,  612,  623,  610,    0,  609,  601,
+      605,    0,  624,  607,    0,  601,  601,  604,  609,  599,
+      595,  605,  590,  588,  594,  163,  587,    0,  584,  604,
+      582,  583,  598,  594,  599,  571,  595,  590,  594,  572,
+      593,    0,  579,  570,  575,  568,  582,  570,   51,  580,
+      578,  570,  580,  576,  575,  559,  564,  552,  577,  574,
+      223,  560,  561,  551,  567,  550,  557,  569,  560,   93,
+      552,  551,  558,  151,  564,  548,  547,    0,  546,  545,
+      538,  570,  532,  541,  548,  537,  547,  546,  548,  531,
+
+      536,  559,  541,  536,  539,  528,  538,  542,    0,  539,
+      526,  537,  531,    0,  537,  522,  535,  525,  516,    0,
+      510,  529,  509,  509,  528,  527,  507,  515,  511,  523,
+      520,  501,  516,  500,  516,  496,  508,    0,  515,  493,
+      513,  512,  511,  500,  186,  503,  498,  503,  500,    0,
+      499,  494,  481,  494,  481,  500,  484,  498,    0,  481,
+      480,  479,  478,  487,  490,  257,  484,    0,  471,  470,
+      488,  471,  472,  479,  484,  478,  477,  466,  465,  469,
+        0,  463,  475,  476,  475,    0,  464,    0,  467,  472,
+      466,  455,  469,  468,    0,    0,  457,  441,  465,    0,
+
+      451,  199,  442,  462,  446,  447,  443,    0,  452,    0,
+        0,    0,  443,  437,  455,  439,  438,  443,  451,  435,
+      429,  429,  426,  136,    0,  438,    0,  424,  423,  422,
+      421,  416,  425,    0,    0,  433,  434,    0,  435,  434,
+      435,    0,  434,  427,  411,  425,  415,  425,  415,    0,
+        0,  423,  424,    0,  419,  420,    0,    0,  421,  169,
+        0,  422,  399,  398,  398,    0,  410,  407,  401,  415,
+      414,  413,    0,  408,  403,  216,    0,  389,  388,  402,
+      398,  390,  403,  391,  383,  382,  381,  380,  256,  389,
+      385,  375,  377,  382,    0,    0,  394,  393,  377,  389,
+
+      384,  389,  365,  382,  386,  379,  371,  383,  382,    0,
+      362,  361,  353,  372,  369,  376,    0,    0,    0,  369,
+      374,    0,  357,  372,  371,  370,  349,  349,  346,  360,
+      365,  364,  363,  362,    0,  346,  344,  353,  344,  341,
+      337,  350,  354,    0,    0,  332,  331,  351,    0,  344,
+      343,    0,  348,  347,    0,    0,  323,  338,  327,  328,
+      333,    0,  341,    0,  325,    0,    0,    0,  339,  324,
+      331,  250,    0,    0,    0,    0,  326,  319,  327,  223,
+      331,  309,  265,    0,  331,  324,    0,  310,  309,    0,
+        0,  321,  324,  319,  303,  302,    0,  317,    0,  321,
+
+      320,  317,  297,  303,  303,  315,    0,  294,  308,  306,
+        0,  305,    0,  290,  288,  308,  307,  302,  305,  304,
+      303,  292,    0,    0,  286,  281,  299,  298,    0,  309,
+      296,  295,  279,  267,  286,    0,    0,  285,    0,    0,
+        0,  269,  289,  278,    0,    0,  287,    0,    0,  265,
+      265,  249,  272,  261,    0,  251,    0,  261,  245,  229,
+        0,  229,  234,  207,  202,  183,  174,    0,  154,  111,
+      107,  118,    0,   71,   43,    0,    0,   33,    0,  703,
+      293,    0,  296,  298,  300
+    } ;
+
+static yyconst short int yy_def[586] =
+    {   0,
+      581,  581,  580,  582,  580,  583,  580,  582,  582,  582,
+      582,  582,   12,   12,  582,  582,  582,  580,  582,  583,
+      582,   12,   12,  582,  582,  582,  584,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  584,  585,  582,
+      582,  582,   31,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  266,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,  582,
+      582,  582,  582,  582,  582,  582,  582,  582,  582,    0,
+      580,  580,  580,  580,  580
+    } ;
+
+static yyconst short int yy_nxt[750] =
+    {   0,
+       19,    5,    6,    7,  580,  580,  580,    8,    9,   10,
+       11,   12,   13,   14,   14,   14,   15,   21,   32,   22,
+       22,   22,   22,   22,   26,   60,   60,   16,   27,   19,
+       60,   60,   17,   25,   25,   25,   25,   25,   90,   83,
+       19,   59,   84,   59,   91,   18,    5,    6,    7,   19,
+      579,   19,    8,    9,   10,   11,   12,   13,   14,   14,
+       14,   15,   19,   25,   25,   25,   25,   25,   56,   95,
+       97,   19,   16,  578,  227,   96,   59,   17,   59,   19,
+       25,   25,   25,   25,   25,   59,   98,  228,  577,   99,
+       18,   21,   30,   22,   23,   22,   22,   22,  101,  177,
+
+      102,   19,   66,   67,  178,   92,   68,  114,  103,   24,
+       28,  179,   22,   22,   22,   22,   22,  115,   69,   93,
+       59,   29,   94,  252,   30,   25,   25,   25,   25,   25,
+      130,  253,  131,  167,   70,  576,  168,   30,   71,  116,
+      575,   72,  574,   31,   33,   34,   35,   36,   73,   37,
+       38,   39,   40,   41,   42,   43,   44,   45,   46,   47,
+      382,   48,   49,   50,   51,   52,  383,   53,   61,   61,
+      257,  573,   62,   62,   62,   62,   62,   63,   63,   63,
+       63,   63,  258,  408,  409,   63,   63,   63,   63,   63,
+       63,   64,  135,  136,  205,  137,  104,  206,   25,   25,
+
+       25,   25,   25,  152,  109,  314,  572,  153,  110,  315,
+       30,   74,  105,   75,  106,  111,  571,  107,  182,   76,
+      363,  112,  183,  154,   77,  570,  184,  113,   78,  117,
+       79,   80,  108,  422,   81,   82,  364,  423,  118,  119,
+      507,  508,  240,  569,  120,  124,   62,   62,   62,   62,
+       62,  568,   25,   25,   25,   25,   25,   62,   62,   62,
+       62,   62,  567,  566,   30,  241,  242,  243,  334,  334,
+      334,  334,  334,  435,  502,  436,  334,  334,  334,  334,
+      334,  334,  511,  565,  564,  563,  512,  503,  562,  561,
+      437,  560,  438,    4,    4,    4,   20,   20,   58,   58,
+
+       59,   59,  559,  558,  557,  556,  555,  554,  553,  552,
+      551,  550,  549,  548,  547,  546,  545,  544,  543,  542,
+      541,  540,  539,  538,  537,  536,  535,  534,  533,  532,
+      531,  530,  529,  528,  527,  526,  525,  524,  523,  522,
+      521,  520,  519,  518,  517,  516,  515,  514,  513,  510,
+      509,  506,  505,  504,  501,  500,  499,  498,  497,  496,
+      495,  494,  493,  492,  491,  490,  489,  488,  487,  486,
+      485,  484,  483,  482,  481,  480,  479,  478,  477,  476,
+      475,  474,  473,  472,  471,  470,  469,  468,  467,  466,
+      465,  464,  463,  462,  461,  460,  459,  458,  457,  456,
+
+      455,  454,  453,  452,  451,  450,  449,  448,  447,  446,
+      445,  444,  443,  442,  441,  440,  439,  434,  433,  432,
+      431,  430,  429,  428,  427,  426,  425,  424,  421,  420,
+      419,  418,  417,  416,  415,  414,  413,  412,  411,  410,
+      407,  406,  405,  404,  403,  402,  401,  400,  399,  398,
+      397,  396,  395,  394,  393,  392,  391,  390,  389,  388,
+      387,  386,  385,  384,  381,  380,  379,  378,  377,  376,
+      375,  374,  373,  372,  371,  370,  369,  368,  367,  366,
+      365,  362,  361,  360,  359,  358,  357,  356,  355,  354,
+      353,  352,  351,  350,  349,  348,  347,  346,  345,  344,
+
+      343,  342,  341,  340,  339,  338,  337,  336,  335,  333,
+      332,  331,  330,  329,  328,  327,  326,  325,  324,  323,
+      322,  321,  320,  319,  318,  317,  316,  313,  312,  311,
+      310,  309,  308,  307,  306,  305,  304,  303,  302,  301,
+      300,  299,  298,  297,  296,  295,  294,  293,  292,  291,
+      290,  289,  288,  287,  286,  285,  284,  283,  282,  281,
+      280,  279,  278,  277,  276,  275,  274,  273,  272,  271,
+      270,  269,  268,  267,  266,  265,  264,  263,  262,  261,
+      260,  259,  256,  255,  254,  251,  250,  249,  248,  247,
+      246,  245,  244,  239,  238,  237,  236,  235,  234,  233,
+
+      232,  231,  230,  229,  226,  225,  224,  223,  222,  221,
+      220,  219,  218,  217,  216,  215,  214,  213,  212,  211,
+      210,  209,  208,  207,  204,  203,  202,  201,  200,  199,
+      198,  197,  196,  195,  194,  193,  192,  191,  190,  189,
+      188,  187,  186,  185,  181,  180,  176,  175,  174,  173,
+      172,  171,  170,  169,  166,  165,  164,  163,  162,  161,
+      160,  159,  158,  157,  156,  155,  151,  150,  149,  148,
+      147,  146,  145,  144,  143,  142,  141,  140,  139,  138,
+      134,  133,  132,  129,  128,  127,  126,  125,  123,  122,
+      121,  100,   89,   88,   87,   86,   85,   65,   57,   55,
+
+       54,  580,    3,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580
+    } ;
+
+static yyconst short int yy_chk[750] =
+    {   0,
+      582,    1,    1,    1,    0,    0,    0,    1,    1,    1,
+        1,    1,    1,    1,    1,    1,    1,    8,   13,    8,
+        8,    8,    8,    8,   11,   29,   29,    1,   11,   13,
+       60,   60,    1,   10,   10,   10,   10,   10,   43,   37,
+       14,   27,   37,   27,   43,    1,    2,    2,    2,   22,
+      578,   13,    2,    2,    2,    2,    2,    2,    2,    2,
+        2,    2,   14,   21,   21,   21,   21,   21,   23,   45,
+       46,   22,    2,  575,  159,   45,   58,    2,   58,   23,
+       25,   25,   25,   25,   25,   27,   46,  159,  574,   46,
+        2,    9,   25,    9,    9,    9,    9,    9,   48,  109,
+
+       48,   23,   34,   34,  109,   44,   34,   51,   48,    9,
+       12,  109,   12,   12,   12,   12,   12,   51,   34,   44,
+       58,   12,   44,  180,   12,   28,   28,   28,   28,   28,
+       68,  180,   68,  100,   35,  572,  100,   28,   35,   51,
+      571,   35,  570,   12,   15,   15,   15,   15,   35,   15,
+       15,   15,   15,   15,   15,   15,   15,   15,   15,   15,
+      324,   15,   15,   15,   15,   15,  324,   15,   30,   30,
+      184,  569,   30,   30,   30,   30,   30,   31,   31,   31,
+       31,   31,  184,  360,  360,   31,   31,   31,   31,   31,
+       31,   32,   72,   72,  136,   72,   49,  136,   32,   32,
+
+       32,   32,   32,   87,   50,  245,  567,   87,   50,  245,
+       32,   36,   49,   36,   49,   50,  566,   49,  112,   36,
+      302,   50,  112,   87,   36,  565,  112,   50,   36,   52,
+       36,   36,   49,  376,   36,   36,  302,  376,   52,   52,
+      480,  480,  171,  564,   52,   56,   61,   61,   61,   61,
+       61,  563,   56,   56,   56,   56,   56,   62,   62,   62,
+       62,   62,  562,  560,   56,  171,  171,  171,  266,  266,
+      266,  266,  266,  389,  472,  389,  266,  266,  266,  266,
+      266,  266,  483,  559,  558,  556,  483,  472,  554,  553,
+      389,  552,  389,  581,  581,  581,  583,  583,  584,  584,
+
+      585,  585,  551,  550,  547,  544,  543,  542,  538,  535,
+      534,  533,  532,  531,  530,  528,  527,  526,  525,  522,
+      521,  520,  519,  518,  517,  516,  515,  514,  512,  510,
+      509,  508,  506,  505,  504,  503,  502,  501,  500,  498,
+      496,  495,  494,  493,  492,  489,  488,  486,  485,  482,
+      481,  479,  478,  477,  471,  470,  469,  465,  463,  461,
+      460,  459,  458,  457,  454,  453,  451,  450,  448,  447,
+      446,  443,  442,  441,  440,  439,  438,  437,  436,  434,
+      433,  432,  431,  430,  429,  428,  427,  426,  425,  424,
+      423,  421,  420,  416,  415,  414,  413,  412,  411,  409,
+
+      408,  407,  406,  405,  404,  403,  402,  401,  400,  399,
+      398,  397,  394,  393,  392,  391,  390,  388,  387,  386,
+      385,  384,  383,  382,  381,  380,  379,  378,  375,  374,
+      372,  371,  370,  369,  368,  367,  365,  364,  363,  362,
+      359,  356,  355,  353,  352,  349,  348,  347,  346,  345,
+      344,  343,  341,  340,  339,  337,  336,  333,  332,  331,
+      330,  329,  328,  326,  323,  322,  321,  320,  319,  318,
+      317,  316,  315,  314,  313,  309,  307,  306,  305,  304,
+      303,  301,  299,  298,  297,  294,  293,  292,  291,  290,
+      289,  287,  285,  284,  283,  282,  280,  279,  278,  277,
+
+      276,  275,  274,  273,  272,  271,  270,  269,  267,  265,
+      264,  263,  262,  261,  260,  258,  257,  256,  255,  254,
+      253,  252,  251,  249,  248,  247,  246,  244,  243,  242,
+      241,  240,  239,  237,  236,  235,  234,  233,  232,  231,
+      230,  229,  228,  227,  226,  225,  224,  223,  222,  221,
+      219,  218,  217,  216,  215,  213,  212,  211,  210,  208,
+      207,  206,  205,  204,  203,  202,  201,  200,  199,  198,
+      197,  196,  195,  194,  193,  192,  191,  190,  189,  187,
+      186,  185,  183,  182,  181,  179,  178,  177,  176,  175,
+      174,  173,  172,  170,  169,  168,  167,  166,  165,  164,
+
+      163,  162,  161,  160,  158,  157,  156,  155,  154,  153,
+      151,  150,  149,  148,  147,  146,  145,  144,  143,  142,
+      141,  140,  139,  137,  135,  134,  133,  132,  131,  130,
+      129,  128,  127,  126,  124,  123,  121,  120,  119,  117,
+      116,  115,  114,  113,  111,  110,  108,  107,  106,  105,
+      104,  103,  102,  101,   99,   98,   97,   96,   95,   94,
+       93,   92,   91,   90,   89,   88,   86,   85,   84,   83,
+       82,   81,   80,   79,   78,   77,   76,   75,   74,   73,
+       71,   70,   69,   67,   66,   65,   64,   57,   55,   54,
+       53,   47,   42,   41,   40,   39,   38,   33,   24,   17,
+
+       16,    3,  580,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580,  580,
+      580,  580,  580,  580,  580,  580,  580,  580,  580
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+/* The intent behind this definition is that it'll catch
+ * any uses of REJECT which flex missed.
+ */
+#define REJECT reject_used_but_not_detected
+#define yymore() yymore_used_but_not_detected
+#define YY_MORE_ADJ 0
+#define YY_RESTORE_YY_MORE_OFFSET
+char *yytext;
+#line 1 "lexer.lxx"
+#define INITIAL 0
+/*
+// Filename: lexer.l
+// Created by:  drose (16Jan99)
+// 
+////////////////////////////////////////////////////////////////////
+*/
+#line 9 "lexer.lxx"
+#include "pandabase.h"
+#include "lexerDefs.h"
+#include "parserDefs.h"
+#include "config_egg.h"
+#include "parser.h"
+#include "indent.h"
+#include "pnotify.h"
+#include "pmutex.h"
+#include "thread.h"
+
+#include <math.h>
+
+extern "C" int eggyywrap(void);  // declared below.
+
+static int yyinput(void);        // declared by flex.
+
+
+////////////////////////////////////////////////////////////////////
+// Static variables
+////////////////////////////////////////////////////////////////////
+
+// This mutex protects all of these global variables. 
+Mutex egg_lock; 
+
+// We'll increment line_number and col_number as we parse the file, so
+// that we can report the position of an error.
+static int line_number = 0;
+static int col_number = 0;
+
+// current_line holds as much of the current line as will fit.  Its
+// only purpose is for printing it out to report an error to the user.
+static const int max_error_width = 1024;
+static char current_line[max_error_width + 1];
+
+static int error_count = 0;
+static int warning_count = 0;
+
+// This is the pointer to the current input stream.
+static istream *inp = NULL;
+
+// This is the name of the egg file we're parsing.  We keep it so we
+// can print it out for error messages.
+static string egg_filename;
+
+// This is the initial token state returned by the lexer.  It allows
+// the yacc grammar to start from initial points.
+static int initial_token;
+
+////////////////////////////////////////////////////////////////////
+// Defining the interface to the lexer.
+////////////////////////////////////////////////////////////////////
+
+void
+egg_init_lexer(istream &in, const string &filename) {
+  inp = &in;
+  egg_filename = filename;
+  line_number = 0;
+  col_number = 0;
+  error_count = 0;
+  warning_count = 0;
+  initial_token = START_EGG;
+}
+
+void
+egg_start_group_body() {
+  /* Set the initial state to begin within a group_body context,
+     instead of at the beginning of the egg file. */
+  initial_token = START_GROUP_BODY;
+}
+
+void
+egg_start_texture_body() {
+  initial_token = START_TEXTURE_BODY;
+}
+
+void
+egg_start_primitive_body() {
+  initial_token = START_PRIMITIVE_BODY;
+}
+
+int
+egg_error_count() {
+  return error_count;
+}
+
+int
+egg_warning_count() {
+  return warning_count;
+}
+
+
+////////////////////////////////////////////////////////////////////
+// Internal support functions.
+////////////////////////////////////////////////////////////////////
+
+int
+eggyywrap(void) {
+  return 1;
+}
+
+void
+eggyyerror(const string &msg) {
+  if (egg_cat.is_error()) {
+    ostream &out = egg_cat.error(false);
+
+    out << "\nError";
+    if (!egg_filename.empty()) {
+      out << " in " << egg_filename;
+    }
+    out 
+      << " at line " << line_number << ", column " << col_number << ":\n"
+      << setiosflags(Notify::get_literal_flag())
+      << current_line << "\n";
+    indent(out, col_number-1) 
+      << "^\n" << msg << "\n\n" 
+      << resetiosflags(Notify::get_literal_flag()) << flush;
+  }
+  error_count++;
+}
+
+void
+eggyyerror(ostringstream &strm) {
+  string s = strm.str();
+  eggyyerror(s);
+}
+
+void
+eggyywarning(const string &msg) {
+  if (egg_cat.is_warning()) {
+    ostream &out = egg_cat.warning(false);
+
+    out << "\nWarning";
+    if (!egg_filename.empty()) {
+      out << " in " << egg_filename;
+    }
+    out 
+      << " at line " << line_number << ", column " << col_number << ":\n"
+      << setiosflags(Notify::get_literal_flag())
+      << current_line << "\n";
+    indent(out, col_number-1) 
+      << "^\n" << msg << "\n\n" 
+      << resetiosflags(Notify::get_literal_flag()) << flush;
+  }
+  warning_count++;
+}
+
+void
+eggyywarning(ostringstream &strm) {
+  string s = strm.str();
+  eggyywarning(s);
+}
+
+// Now define a function to take input from an istream instead of a
+// stdio FILE pointer.  This is flex-specific.
+static void
+input_chars(char *buffer, int &result, int max_size) {
+  nassertv(inp != NULL);
+  if (*inp) {
+    inp->read(buffer, max_size);
+    result = inp->gcount();
+
+    if (line_number == 0) {
+      // This is a special case.  If we are reading the very first bit
+      // from the stream, copy it into the current_line array.  This
+      // is because the \n.* rule below, which fills current_line
+      // normally, doesn't catch the first line.
+      int length = min(max_error_width, result);
+      strncpy(current_line, buffer, length);
+      current_line[length] = '\0';
+      line_number++;
+      col_number = 0;
+
+      // Truncate it at the newline.
+      char *end = strchr(current_line, '\n');
+      if (end != NULL) {
+        *end = '\0';
+      }
+    }
+
+  } else {
+    // End of file or I/O error.
+    result = 0;
+  }
+  Thread::consider_yield();
+}
+#undef YY_INPUT
+#define YY_INPUT(buffer, result, max_size) input_chars(buffer, result, max_size)
+
+// read_char reads and returns a single character, incrementing the
+// supplied line and column numbers as appropriate.  A convenience
+// function for the scanning functions below.
+static int
+read_char(int &line, int &col) {
+  int c = yyinput();
+  if (c == '\n') {
+    line++;
+    col = 0;
+  } else {
+    col++;
+  }
+  return c;
+}
+
+// scan_quoted_string reads a string delimited by quotation marks and
+// returns it.
+static string
+scan_quoted_string() {
+  string result;
+
+  // We don't touch the current line number and column number during
+  // scanning, so that if we detect an error while scanning the string
+  // (e.g. an unterminated string), we'll report the error as
+  // occurring at the start of the string, not at the end--somewhat
+  // more convenient for the user.
+
+  // Instead of adjusting the global line_number and col_number
+  // variables, we'll operate on our own local variables for the
+  // interim.
+  int line = line_number;
+  int col = col_number;
+
+  int c;
+  c = read_char(line, col);
+  while (c != '"' && c != EOF) {
+    result += c;
+    c = read_char(line, col);
+  }
+
+  if (c == EOF) {
+    eggyyerror("This quotation mark is unterminated.");
+  }
+
+  line_number = line;
+  col_number = col;
+
+  return result;
+}
+
+// eat_c_comment scans past all characters up until the first */
+// encountered.
+static void
+eat_c_comment() {
+  // As above, we'll operate on our own local copies of line_number
+  // and col_number within this function.
+
+  int line = line_number;
+  int col = col_number;
+
+  int c, last_c;
+  
+  last_c = '\0';
+  c = read_char(line, col);
+  while (c != EOF && !(last_c == '*' && c == '/')) {
+    if (last_c == '/' && c == '*') {
+      ostringstream errmsg;
+      errmsg << "This comment contains a nested /* symbol at line "
+             << line << ", column " << col-1 << "--possibly unclosed?"
+             << ends;
+      eggyywarning(errmsg);
+    }
+    last_c = c;
+    c = read_char(line, col);
+  }
+
+  if (c == EOF) {
+    eggyyerror("This comment marker is unclosed.");
+  }
+
+  line_number = line;
+  col_number = col;
+}
+
+
+// accept() is called below as each piece is pulled off and
+// accepted by the lexer; it increments the current column number.
+INLINE void accept() {
+  col_number += yyleng;
+}
+
+#line 1022 "lex.yy.c"
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int yywrap YY_PROTO(( void ));
+#else
+extern int yywrap YY_PROTO(( void ));
+#endif
+#endif
+
+#ifndef YY_NO_UNPUT
+static void yyunput YY_PROTO(( int c, char *buf_ptr ));
+#endif
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen YY_PROTO(( yyconst char * ));
+#endif
+
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+static int yyinput YY_PROTO(( void ));
+#else
+static int input YY_PROTO(( void ));
+#endif
+#endif
+
+#if YY_STACK_USED
+static int yy_start_stack_ptr = 0;
+static int yy_start_stack_depth = 0;
+static int *yy_start_stack = 0;
+#ifndef YY_NO_PUSH_STATE
+static void yy_push_state YY_PROTO(( int new_state ));
+#endif
+#ifndef YY_NO_POP_STATE
+static void yy_pop_state YY_PROTO(( void ));
+#endif
+#ifndef YY_NO_TOP_STATE
+static int yy_top_state YY_PROTO(( void ));
+#endif
+
+#else
+#define YY_NO_PUSH_STATE 1
+#define YY_NO_POP_STATE 1
+#define YY_NO_TOP_STATE 1
+#endif
+
+#ifdef YY_MALLOC_DECL
+YY_MALLOC_DECL
+#else
+#if __STDC__
+#ifndef __cplusplus
+#include <stdlib.h>
+#endif
+#else
+/* Just try to get by without declaring the routines.  This will fail
+ * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
+ * or sizeof(void*) != sizeof(int).
+ */
+#endif
+#endif
+
+/* Amount of stuff to slurp up with each read. */
+#ifndef YY_READ_BUF_SIZE
+#define YY_READ_BUF_SIZE 8192
+#endif
+
+/* Copy whatever the last rule matched to the standard output. */
+
+#ifndef ECHO
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
+#endif
+
+/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
+ * is returned in "result".
+ */
+#ifndef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+	if ( yy_current_buffer->yy_is_interactive ) \
+		{ \
+		int c = '*', n; \
+		for ( n = 0; n < max_size && \
+			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+			buf[n] = (char) c; \
+		if ( c == '\n' ) \
+			buf[n++] = (char) c; \
+		if ( c == EOF && ferror( yyin ) ) \
+			YY_FATAL_ERROR( "input in flex scanner failed" ); \
+		result = n; \
+		} \
+	else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
+		  && ferror( yyin ) ) \
+		YY_FATAL_ERROR( "input in flex scanner failed" );
+#endif
+
+/* No semi-colon after return; correct usage is to write "yyterminate();" -
+ * we don't want an extra ';' after the "return" because that will cause
+ * some compilers to complain about unreachable statements.
+ */
+#ifndef yyterminate
+#define yyterminate() return YY_NULL
+#endif
+
+/* Number of entries by which start-condition stack grows. */
+#ifndef YY_START_STACK_INCR
+#define YY_START_STACK_INCR 25
+#endif
+
+/* Report a fatal error. */
+#ifndef YY_FATAL_ERROR
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+#endif
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL int yylex YY_PROTO(( void ))
+#endif
+
+/* Code executed at the beginning of each rule, after yytext and yyleng
+ * have been set up.
+ */
+#ifndef YY_USER_ACTION
+#define YY_USER_ACTION
+#endif
+
+/* Code executed at the end of each rule. */
+#ifndef YY_BREAK
+#define YY_BREAK break;
+#endif
+
+#define YY_RULE_SETUP \
+	YY_USER_ACTION
+
+YY_DECL
+	{
+	register yy_state_type yy_current_state;
+	register char *yy_cp, *yy_bp;
+	register int yy_act;
+
+#line 294 "lexer.lxx"
+
+
+
+  if (initial_token != 0) {
+    int t = initial_token;
+    initial_token = 0;
+    return t;
+  }
+
+
+#line 1184 "lex.yy.c"
+
+	if ( yy_init )
+		{
+		yy_init = 0;
+
+#ifdef YY_USER_INIT
+		YY_USER_INIT;
+#endif
+
+		if ( ! yy_start )
+			yy_start = 1;	/* first start state */
+
+		if ( ! yyin )
+			yyin = stdin;
+
+		if ( ! yyout )
+			yyout = stdout;
+
+		if ( ! yy_current_buffer )
+			yy_current_buffer =
+				yy_create_buffer( yyin, YY_BUF_SIZE );
+
+		yy_load_buffer_state();
+		}
+
+	while ( 1 )		/* loops until end-of-file is reached */
+		{
+		yy_cp = yy_c_buf_p;
+
+		/* Support of yytext. */
+		*yy_cp = yy_hold_char;
+
+		/* yy_bp points to the position in yy_ch_buf of the start of
+		 * the current run.
+		 */
+		yy_bp = yy_cp;
+
+		yy_current_state = yy_start;
+yy_match:
+		do
+			{
+			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+			if ( yy_accept[yy_current_state] )
+				{
+				yy_last_accepting_state = yy_current_state;
+				yy_last_accepting_cpos = yy_cp;
+				}
+			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+				{
+				yy_current_state = (int) yy_def[yy_current_state];
+				if ( yy_current_state >= 581 )
+					yy_c = yy_meta[(unsigned int) yy_c];
+				}
+			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+			++yy_cp;
+			}
+		while ( yy_base[yy_current_state] != 703 );
+
+yy_find_action:
+		yy_act = yy_accept[yy_current_state];
+		if ( yy_act == 0 )
+			{ /* have to back up */
+			yy_cp = yy_last_accepting_cpos;
+			yy_current_state = yy_last_accepting_state;
+			yy_act = yy_accept[yy_current_state];
+			}
+
+		YY_DO_BEFORE_ACTION;
+
+
+do_action:	/* This label is used only to access EOF actions. */
+
+
+		switch ( yy_act )
+	{ /* beginning of action switch */
+			case 0: /* must back up */
+			/* undo the effects of YY_DO_BEFORE_ACTION */
+			*yy_cp = yy_hold_char;
+			yy_cp = yy_last_accepting_cpos;
+			yy_current_state = yy_last_accepting_state;
+			goto yy_find_action;
+
+case 1:
+YY_RULE_SETUP
+#line 304 "lexer.lxx"
+{
+  // New line.  Save a copy of the line so we can print it out for the
+  // benefit of the user in case we get an error.
+
+  strncpy(current_line, yytext+1, max_error_width);
+  current_line[max_error_width] = '\0';
+  line_number++;
+  col_number=0;
+
+  // Return the whole line to the lexer, except the newline character,
+  // which we eat.
+  yyless(1);
+}
+	YY_BREAK
+case 2:
+YY_RULE_SETUP
+#line 318 "lexer.lxx"
+{ 
+  // Eat whitespace.
+  accept();
+}
+	YY_BREAK
+case 3:
+YY_RULE_SETUP
+#line 323 "lexer.lxx"
+{ 
+  // Eat C++-style comments.
+  accept();
+}
+	YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 328 "lexer.lxx"
+{
+  // Eat C-style comments.
+  accept();
+  eat_c_comment(); 
+}
+	YY_BREAK
+case 5:
+YY_RULE_SETUP
+#line 334 "lexer.lxx"
+{
+  // Send curly braces as themselves.
+  accept(); 
+  return eggyytext[0];
+}
+	YY_BREAK
+case 6:
+YY_RULE_SETUP
+#line 342 "lexer.lxx"
+{
+  accept();
+  return ANIMPRELOAD;
+}
+	YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 346 "lexer.lxx"
+{
+  accept();
+  return BEZIERCURVE;
+}
+	YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 350 "lexer.lxx"
+{
+  accept();
+  return BFACE;
+}
+	YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 354 "lexer.lxx"
+{
+  accept();
+  return BILLBOARD;
+}
+	YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 358 "lexer.lxx"
+{
+  accept();
+  return BILLBOARDCENTER;
+}
+	YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 362 "lexer.lxx"
+{
+  accept();
+  return BINORMAL;
+}
+	YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 366 "lexer.lxx"
+{
+  accept();
+  return BUNDLE;
+}
+	YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 370 "lexer.lxx"
+{
+  accept();
+  return SCALAR;
+}
+	YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 374 "lexer.lxx"
+{
+  accept();
+  return CLOSED;
+}
+	YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 378 "lexer.lxx"
+{
+  accept();
+  return COLLIDE;
+}
+	YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 382 "lexer.lxx"
+{
+  accept();
+  return COMMENT;
+}
+	YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 386 "lexer.lxx"
+{
+  accept();
+  return COMPONENT;
+}
+	YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 390 "lexer.lxx"
+{
+  accept();
+  return COORDSYSTEM;
+}
+	YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 394 "lexer.lxx"
+{
+  accept();
+  return CV;
+}
+	YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 398 "lexer.lxx"
+{
+  accept();
+  return DART;
+}
+	YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 402 "lexer.lxx"
+{
+  accept();
+  return DNORMAL;
+}
+	YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 406 "lexer.lxx"
+{
+  accept();
+  return DRGBA;
+}
+	YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 410 "lexer.lxx"
+{
+  accept();
+  return DUV;
+}
+	YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 414 "lexer.lxx"
+{
+  accept();
+  return DXYZ;
+}
+	YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 418 "lexer.lxx"
+{
+  accept();
+  return DCS;
+}
+	YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 422 "lexer.lxx"
+{
+  accept();
+  return DISTANCE;
+}
+	YY_BREAK
+case 27:
+YY_RULE_SETUP
+#line 426 "lexer.lxx"
+{
+  accept();
+  return DTREF;
+}
+	YY_BREAK
+case 28:
+YY_RULE_SETUP
+#line 430 "lexer.lxx"
+{
+  accept();
+  return DYNAMICVERTEXPOOL;
+}
+	YY_BREAK
+case 29:
+YY_RULE_SETUP
+#line 434 "lexer.lxx"
+{
+  accept();
+  return EXTERNAL_FILE;
+}
+	YY_BREAK
+case 30:
+YY_RULE_SETUP
+#line 438 "lexer.lxx"
+{
+  accept();
+  return FLIGHT;
+}
+	YY_BREAK
+case 31:
+YY_RULE_SETUP
+#line 442 "lexer.lxx"
+{
+  accept();
+  return GROUP;
+}
+	YY_BREAK
+case 32:
+YY_RULE_SETUP
+#line 446 "lexer.lxx"
+{
+  accept();
+  return HIP;
+}
+	YY_BREAK
+case 33:
+YY_RULE_SETUP
+#line 450 "lexer.lxx"
+{
+  accept();
+  return INTANGENT;
+}
+	YY_BREAK
+case 34:
+YY_RULE_SETUP
+#line 454 "lexer.lxx"
+{
+  accept();
+  return JOINT;
+}
+	YY_BREAK
+case 35:
+YY_RULE_SETUP
+#line 458 "lexer.lxx"
+{
+  accept();
+  return KNOTS;
+}
+	YY_BREAK
+case 36:
+YY_RULE_SETUP
+#line 462 "lexer.lxx"
+{
+  accept();
+  return INCLUDE;
+}
+	YY_BREAK
+case 37:
+YY_RULE_SETUP
+#line 466 "lexer.lxx"
+{
+  accept();
+  return INSTANCE;
+}
+	YY_BREAK
+case 38:
+YY_RULE_SETUP
+#line 470 "lexer.lxx"
+{
+  accept();
+  return LINE;
+}
+	YY_BREAK
+case 39:
+YY_RULE_SETUP
+#line 474 "lexer.lxx"
+{
+  accept();
+  return LOOP;
+}
+	YY_BREAK
+case 40:
+YY_RULE_SETUP
+#line 478 "lexer.lxx"
+{
+  accept();
+  return MATERIAL;
+}
+	YY_BREAK
+case 41:
+YY_RULE_SETUP
+#line 482 "lexer.lxx"
+{
+  accept();
+  return MATRIX3;
+}
+	YY_BREAK
+case 42:
+YY_RULE_SETUP
+#line 486 "lexer.lxx"
+{
+  accept();
+  return MATRIX4;
+}
+	YY_BREAK
+case 43:
+YY_RULE_SETUP
+#line 490 "lexer.lxx"
+{
+  accept();
+  return MODEL;
+}
+	YY_BREAK
+case 44:
+YY_RULE_SETUP
+#line 494 "lexer.lxx"
+{
+  accept();
+  return MREF;
+}
+	YY_BREAK
+case 45:
+YY_RULE_SETUP
+#line 498 "lexer.lxx"
+{
+  accept();
+  return NORMAL;
+}
+	YY_BREAK
+case 46:
+YY_RULE_SETUP
+#line 502 "lexer.lxx"
+{
+  accept();
+  return NURBSCURVE;
+}
+	YY_BREAK
+case 47:
+YY_RULE_SETUP
+#line 506 "lexer.lxx"
+{
+  accept();
+  return NURBSSURFACE;
+}
+	YY_BREAK
+case 48:
+YY_RULE_SETUP
+#line 510 "lexer.lxx"
+{
+  accept();
+  return OBJECTTYPE;
+}
+	YY_BREAK
+case 49:
+YY_RULE_SETUP
+#line 514 "lexer.lxx"
+{
+  accept();
+  return ORDER;
+}
+	YY_BREAK
+case 50:
+YY_RULE_SETUP
+#line 518 "lexer.lxx"
+{
+  accept();
+  return OUTTANGENT;
+}
+	YY_BREAK
+case 51:
+YY_RULE_SETUP
+#line 522 "lexer.lxx"
+{
+  accept();
+  return POINTLIGHT;
+}
+	YY_BREAK
+case 52:
+YY_RULE_SETUP
+#line 526 "lexer.lxx"
+{
+  accept();
+  return POLYGON;
+}
+	YY_BREAK
+case 53:
+YY_RULE_SETUP
+#line 530 "lexer.lxx"
+{
+  accept();
+  return REF;
+}
+	YY_BREAK
+case 54:
+YY_RULE_SETUP
+#line 534 "lexer.lxx"
+{
+  accept();
+  return RGBA;
+}
+	YY_BREAK
+case 55:
+YY_RULE_SETUP
+#line 538 "lexer.lxx"
+{
+  accept();
+  return ROTATE;
+}
+	YY_BREAK
+case 56:
+YY_RULE_SETUP
+#line 542 "lexer.lxx"
+{
+  accept();
+  return ROTX;
+}
+	YY_BREAK
+case 57:
+YY_RULE_SETUP
+#line 546 "lexer.lxx"
+{
+  accept();
+  return ROTY;
+}
+	YY_BREAK
+case 58:
+YY_RULE_SETUP
+#line 550 "lexer.lxx"
+{
+  accept();
+  return ROTZ;
+}
+	YY_BREAK
+case 59:
+YY_RULE_SETUP
+#line 554 "lexer.lxx"
+{
+  accept();
+  return SANIM;
+}
+	YY_BREAK
+case 60:
+YY_RULE_SETUP
+#line 558 "lexer.lxx"
+{
+  accept();
+  return SCALAR;
+}
+	YY_BREAK
+case 61:
+YY_RULE_SETUP
+#line 562 "lexer.lxx"
+{
+  accept();
+  return SCALE;
+}
+	YY_BREAK
+case 62:
+YY_RULE_SETUP
+#line 566 "lexer.lxx"
+{
+  accept();
+  return SEQUENCE;
+}
+	YY_BREAK
+case 63:
+YY_RULE_SETUP
+#line 570 "lexer.lxx"
+{
+  accept();
+  return SHADING;
+}
+	YY_BREAK
+case 64:
+YY_RULE_SETUP
+#line 574 "lexer.lxx"
+{
+  accept();
+  return SWITCH;
+}
+	YY_BREAK
+case 65:
+YY_RULE_SETUP
+#line 578 "lexer.lxx"
+{
+  accept();
+  return SWITCHCONDITION;
+}
+	YY_BREAK
+case 66:
+YY_RULE_SETUP
+#line 582 "lexer.lxx"
+{
+  accept();
+  return TABLE;
+}
+	YY_BREAK
+case 67:
+YY_RULE_SETUP
+#line 586 "lexer.lxx"
+{
+  accept();
+  return TABLE_V;
+}
+	YY_BREAK
+case 68:
+YY_RULE_SETUP
+#line 590 "lexer.lxx"
+{
+  accept();
+  return TAG;
+}
+	YY_BREAK
+case 69:
+YY_RULE_SETUP
+#line 594 "lexer.lxx"
+{
+  accept();
+  return TANGENT;
+}
+	YY_BREAK
+case 70:
+YY_RULE_SETUP
+#line 598 "lexer.lxx"
+{
+  accept();
+  return TEXLIST;
+}
+	YY_BREAK
+case 71:
+YY_RULE_SETUP
+#line 602 "lexer.lxx"
+{
+  accept();
+  return TEXTURE;
+}
+	YY_BREAK
+case 72:
+YY_RULE_SETUP
+#line 606 "lexer.lxx"
+{
+  accept();
+  return TLENGTHS;
+}
+	YY_BREAK
+case 73:
+YY_RULE_SETUP
+#line 610 "lexer.lxx"
+{
+  accept();
+  return TRANSFORM;
+}
+	YY_BREAK
+case 74:
+YY_RULE_SETUP
+#line 614 "lexer.lxx"
+{
+  accept();
+  return TRANSLATE;
+}
+	YY_BREAK
+case 75:
+YY_RULE_SETUP
+#line 618 "lexer.lxx"
+{
+  accept();
+  return TREF;
+}
+	YY_BREAK
+case 76:
+YY_RULE_SETUP
+#line 622 "lexer.lxx"
+{
+  accept();
+  return TRIANGLEFAN;
+}
+	YY_BREAK
+case 77:
+YY_RULE_SETUP
+#line 626 "lexer.lxx"
+{
+  accept();
+  return TRIANGLESTRIP;
+}
+	YY_BREAK
+case 78:
+YY_RULE_SETUP
+#line 630 "lexer.lxx"
+{
+  accept();
+  return TRIM;
+}
+	YY_BREAK
+case 79:
+YY_RULE_SETUP
+#line 634 "lexer.lxx"
+{
+  accept();
+  return TXT;
+}
+	YY_BREAK
+case 80:
+YY_RULE_SETUP
+#line 638 "lexer.lxx"
+{
+  accept();
+  return UKNOTS;
+}
+	YY_BREAK
+case 81:
+YY_RULE_SETUP
+#line 642 "lexer.lxx"
+{
+  accept();
+  return UKNOTS;
+}
+	YY_BREAK
+case 82:
+YY_RULE_SETUP
+#line 646 "lexer.lxx"
+{
+  accept();
+  return UV;
+}
+	YY_BREAK
+case 83:
+YY_RULE_SETUP
+#line 650 "lexer.lxx"
+{
+  accept();
+  return VKNOTS;
+}
+	YY_BREAK
+case 84:
+YY_RULE_SETUP
+#line 654 "lexer.lxx"
+{
+  accept();
+  return VKNOTS;
+}
+	YY_BREAK
+case 85:
+YY_RULE_SETUP
+#line 658 "lexer.lxx"
+{
+  accept();
+  return VERTEX;
+}
+	YY_BREAK
+case 86:
+YY_RULE_SETUP
+#line 662 "lexer.lxx"
+{
+  accept();
+  return VERTEXANIM;
+}
+	YY_BREAK
+case 87:
+YY_RULE_SETUP
+#line 666 "lexer.lxx"
+{
+  accept();
+  return VERTEXPOOL;
+}
+	YY_BREAK
+case 88:
+YY_RULE_SETUP
+#line 670 "lexer.lxx"
+{
+  accept();
+  return VERTEXREF;
+}
+	YY_BREAK
+case 89:
+YY_RULE_SETUP
+#line 674 "lexer.lxx"
+{
+  accept();
+  return XFMANIM;
+}
+	YY_BREAK
+case 90:
+YY_RULE_SETUP
+#line 678 "lexer.lxx"
+{
+  accept();
+  return XFMSANIM;
+}
+	YY_BREAK
+case 91:
+YY_RULE_SETUP
+#line 685 "lexer.lxx"
+{ 
+  // An integer or floating-point number.
+  accept(); 
+  eggyylval._number = atof(eggyytext); 
+  eggyylval._string = yytext;
+  return EGG_NUMBER; 
+}
+	YY_BREAK
+case 92:
+YY_RULE_SETUP
+#line 693 "lexer.lxx"
+{
+  // A hexadecimal integer number.
+  accept(); 
+  eggyylval._ulong = strtoul(yytext+2, NULL, 16);
+  eggyylval._string = yytext;
+  return EGG_ULONG; 
+}
+	YY_BREAK
+case 93:
+YY_RULE_SETUP
+#line 701 "lexer.lxx"
+{
+  // A binary integer number.
+  accept(); 
+  eggyylval._ulong = strtoul(yytext+2, NULL, 2);
+  eggyylval._string = yytext;
+  return EGG_ULONG; 
+}
+	YY_BREAK
+case 94:
+YY_RULE_SETUP
+#line 709 "lexer.lxx"
+{
+  // not-a-number.  These sometimes show up in egg files accidentally.
+  accept(); 
+  memset(&eggyylval._number, 0, sizeof(eggyylval._number));
+  *(unsigned long *)&eggyylval._number = strtoul(yytext+3, NULL, 0);
+  eggyylval._string = yytext;
+  return EGG_NUMBER;
+}
+	YY_BREAK
+case 95:
+YY_RULE_SETUP
+#line 718 "lexer.lxx"
+{ 
+  // infinity.  As above.
+  accept(); 
+  eggyylval._number = HUGE_VAL;
+  eggyylval._string = yytext;
+  return EGG_NUMBER; 
+}
+	YY_BREAK
+case 96:
+YY_RULE_SETUP
+#line 726 "lexer.lxx"
+{
+  // minus infinity.  As above.
+  accept(); 
+  eggyylval._number = -HUGE_VAL;
+  eggyylval._string = yytext;
+  return EGG_NUMBER; 
+}
+	YY_BREAK
+case 97:
+YY_RULE_SETUP
+#line 734 "lexer.lxx"
+{ 
+  // infinity, on Win32.  As above.
+  accept(); 
+  eggyylval._number = HUGE_VAL;
+  eggyylval._string = yytext;
+  return EGG_NUMBER; 
+}
+	YY_BREAK
+case 98:
+YY_RULE_SETUP
+#line 742 "lexer.lxx"
+{
+  // minus infinity, on Win32.  As above.
+  accept(); 
+  eggyylval._number = -HUGE_VAL;
+  eggyylval._string = yytext;
+  return EGG_NUMBER; 
+}
+	YY_BREAK
+case 99:
+YY_RULE_SETUP
+#line 751 "lexer.lxx"
+{
+  // Quoted string.
+  accept();
+  eggyylval._string = scan_quoted_string();
+  return EGG_STRING;
+}
+	YY_BREAK
+case 100:
+YY_RULE_SETUP
+#line 758 "lexer.lxx"
+{ 
+  // Unquoted string.
+  accept();
+  eggyylval._string = yytext;
+  return EGG_STRING;
+}
+	YY_BREAK
+case 101:
+YY_RULE_SETUP
+#line 764 "lexer.lxx"
+ECHO;
+	YY_BREAK
+#line 2112 "lex.yy.c"
+case YY_STATE_EOF(INITIAL):
+	yyterminate();
+
+	case YY_END_OF_BUFFER:
+		{
+		/* Amount of text matched not including the EOB char. */
+		int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
+
+		/* Undo the effects of YY_DO_BEFORE_ACTION. */
+		*yy_cp = yy_hold_char;
+		YY_RESTORE_YY_MORE_OFFSET
+
+		if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
+			{
+			/* We're scanning a new file or input source.  It's
+			 * possible that this happened because the user
+			 * just pointed yyin at a new source and called
+			 * yylex().  If so, then we have to assure
+			 * consistency between yy_current_buffer and our
+			 * globals.  Here is the right place to do so, because
+			 * this is the first action (other than possibly a
+			 * back-up) that will match for the new input source.
+			 */
+			yy_n_chars = yy_current_buffer->yy_n_chars;
+			yy_current_buffer->yy_input_file = yyin;
+			yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
+			}
+
+		/* Note that here we test for yy_c_buf_p "<=" to the position
+		 * of the first EOB in the buffer, since yy_c_buf_p will
+		 * already have been incremented past the NUL character
+		 * (since all states make transitions on EOB to the
+		 * end-of-buffer state).  Contrast this with the test
+		 * in input().
+		 */
+		if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
+			{ /* This was really a NUL. */
+			yy_state_type yy_next_state;
+
+			yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
+
+			yy_current_state = yy_get_previous_state();
+
+			/* Okay, we're now positioned to make the NUL
+			 * transition.  We couldn't have
+			 * yy_get_previous_state() go ahead and do it
+			 * for us because it doesn't know how to deal
+			 * with the possibility of jamming (and we don't
+			 * want to build jamming into it because then it
+			 * will run more slowly).
+			 */
+
+			yy_next_state = yy_try_NUL_trans( yy_current_state );
+
+			yy_bp = yytext_ptr + YY_MORE_ADJ;
+
+			if ( yy_next_state )
+				{
+				/* Consume the NUL. */
+				yy_cp = ++yy_c_buf_p;
+				yy_current_state = yy_next_state;
+				goto yy_match;
+				}
+
+			else
+				{
+				yy_cp = yy_c_buf_p;
+				goto yy_find_action;
+				}
+			}
+
+		else switch ( yy_get_next_buffer() )
+			{
+			case EOB_ACT_END_OF_FILE:
+				{
+				yy_did_buffer_switch_on_eof = 0;
+
+				if ( yywrap() )
+					{
+					/* Note: because we've taken care in
+					 * yy_get_next_buffer() to have set up
+					 * yytext, we can now set up
+					 * yy_c_buf_p so that if some total
+					 * hoser (like flex itself) wants to
+					 * call the scanner after we return the
+					 * YY_NULL, it'll still work - another
+					 * YY_NULL will get returned.
+					 */
+					yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
+
+					yy_act = YY_STATE_EOF(YY_START);
+					goto do_action;
+					}
+
+				else
+					{
+					if ( ! yy_did_buffer_switch_on_eof )
+						YY_NEW_FILE;
+					}
+				break;
+				}
+
+			case EOB_ACT_CONTINUE_SCAN:
+				yy_c_buf_p =
+					yytext_ptr + yy_amount_of_matched_text;
+
+				yy_current_state = yy_get_previous_state();
+
+				yy_cp = yy_c_buf_p;
+				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				goto yy_match;
+
+			case EOB_ACT_LAST_MATCH:
+				yy_c_buf_p =
+				&yy_current_buffer->yy_ch_buf[yy_n_chars];
+
+				yy_current_state = yy_get_previous_state();
+
+				yy_cp = yy_c_buf_p;
+				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				goto yy_find_action;
+			}
+		break;
+		}
+
+	default:
+		YY_FATAL_ERROR(
+			"fatal flex scanner internal error--no action found" );
+	} /* end of action switch */
+		} /* end of scanning one token */
+	} /* end of yylex */
+
+
+/* yy_get_next_buffer - try to read in a new buffer
+ *
+ * Returns a code representing an action:
+ *	EOB_ACT_LAST_MATCH -
+ *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
+ *	EOB_ACT_END_OF_FILE - end of file
+ */
+
+static int yy_get_next_buffer()
+	{
+	register char *dest = yy_current_buffer->yy_ch_buf;
+	register char *source = yytext_ptr;
+	register int number_to_move, i;
+	int ret_val;
+
+	if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
+		YY_FATAL_ERROR(
+		"fatal flex scanner internal error--end of buffer missed" );
+
+	if ( yy_current_buffer->yy_fill_buffer == 0 )
+		{ /* Don't try to fill the buffer, so this is an EOF. */
+		if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
+			{
+			/* We matched a single character, the EOB, so
+			 * treat this as a final EOF.
+			 */
+			return EOB_ACT_END_OF_FILE;
+			}
+
+		else
+			{
+			/* We matched some text prior to the EOB, first
+			 * process it.
+			 */
+			return EOB_ACT_LAST_MATCH;
+			}
+		}
+
+	/* Try to read more data. */
+
+	/* First move last chars to start of buffer. */
+	number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
+
+	for ( i = 0; i < number_to_move; ++i )
+		*(dest++) = *(source++);
+
+	if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+		/* don't do the read, it's not guaranteed to return an EOF,
+		 * just force an EOF
+		 */
+		yy_current_buffer->yy_n_chars = yy_n_chars = 0;
+
+	else
+		{
+		int num_to_read =
+			yy_current_buffer->yy_buf_size - number_to_move - 1;
+
+		while ( num_to_read <= 0 )
+			{ /* Not enough room in the buffer - grow it. */
+#ifdef YY_USES_REJECT
+			YY_FATAL_ERROR(
+"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
+#else
+
+			/* just a shorter name for the current buffer */
+			YY_BUFFER_STATE b = yy_current_buffer;
+
+			int yy_c_buf_p_offset =
+				(int) (yy_c_buf_p - b->yy_ch_buf);
+
+			if ( b->yy_is_our_buffer )
+				{
+				int new_size = b->yy_buf_size * 2;
+
+				if ( new_size <= 0 )
+					b->yy_buf_size += b->yy_buf_size / 8;
+				else
+					b->yy_buf_size *= 2;
+
+				b->yy_ch_buf = (char *)
+					/* Include room in for 2 EOB chars. */
+					yy_flex_realloc( (void *) b->yy_ch_buf,
+							 b->yy_buf_size + 2 );
+				}
+			else
+				/* Can't grow it, we don't own it. */
+				b->yy_ch_buf = 0;
+
+			if ( ! b->yy_ch_buf )
+				YY_FATAL_ERROR(
+				"fatal error - scanner input buffer overflow" );
+
+			yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+
+			num_to_read = yy_current_buffer->yy_buf_size -
+						number_to_move - 1;
+#endif
+			}
+
+		if ( num_to_read > YY_READ_BUF_SIZE )
+			num_to_read = YY_READ_BUF_SIZE;
+
+		/* Read in more data. */
+		YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
+			yy_n_chars, num_to_read );
+
+		yy_current_buffer->yy_n_chars = yy_n_chars;
+		}
+
+	if ( yy_n_chars == 0 )
+		{
+		if ( number_to_move == YY_MORE_ADJ )
+			{
+			ret_val = EOB_ACT_END_OF_FILE;
+			yyrestart( yyin );
+			}
+
+		else
+			{
+			ret_val = EOB_ACT_LAST_MATCH;
+			yy_current_buffer->yy_buffer_status =
+				YY_BUFFER_EOF_PENDING;
+			}
+		}
+
+	else
+		ret_val = EOB_ACT_CONTINUE_SCAN;
+
+	yy_n_chars += number_to_move;
+	yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
+	yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+
+	yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
+
+	return ret_val;
+	}
+
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+static yy_state_type yy_get_previous_state()
+	{
+	register yy_state_type yy_current_state;
+	register char *yy_cp;
+
+	yy_current_state = yy_start;
+
+	for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
+		{
+		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		if ( yy_accept[yy_current_state] )
+			{
+			yy_last_accepting_state = yy_current_state;
+			yy_last_accepting_cpos = yy_cp;
+			}
+		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+			{
+			yy_current_state = (int) yy_def[yy_current_state];
+			if ( yy_current_state >= 581 )
+				yy_c = yy_meta[(unsigned int) yy_c];
+			}
+		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+		}
+
+	return yy_current_state;
+	}
+
+
+/* yy_try_NUL_trans - try to make a transition on the NUL character
+ *
+ * synopsis
+ *	next_state = yy_try_NUL_trans( current_state );
+ */
+
+#ifdef YY_USE_PROTOS
+static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
+#else
+static yy_state_type yy_try_NUL_trans( yy_current_state )
+yy_state_type yy_current_state;
+#endif
+	{
+	register int yy_is_jam;
+	register char *yy_cp = yy_c_buf_p;
+
+	register YY_CHAR yy_c = 1;
+	if ( yy_accept[yy_current_state] )
+		{
+		yy_last_accepting_state = yy_current_state;
+		yy_last_accepting_cpos = yy_cp;
+		}
+	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
+		{
+		yy_current_state = (int) yy_def[yy_current_state];
+		if ( yy_current_state >= 581 )
+			yy_c = yy_meta[(unsigned int) yy_c];
+		}
+	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
+	yy_is_jam = (yy_current_state == 580);
+
+	return yy_is_jam ? 0 : yy_current_state;
+	}
+
+
+#ifndef YY_NO_UNPUT
+#ifdef YY_USE_PROTOS
+static void yyunput( int c, register char *yy_bp )
+#else
+static void yyunput( c, yy_bp )
+int c;
+register char *yy_bp;
+#endif
+	{
+	register char *yy_cp = yy_c_buf_p;
+
+	/* undo effects of setting up yytext */
+	*yy_cp = yy_hold_char;
+
+	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+		{ /* need to shift things up to make room */
+		/* +2 for EOB chars. */
+		register int number_to_move = yy_n_chars + 2;
+		register char *dest = &yy_current_buffer->yy_ch_buf[
+					yy_current_buffer->yy_buf_size + 2];
+		register char *source =
+				&yy_current_buffer->yy_ch_buf[number_to_move];
+
+		while ( source > yy_current_buffer->yy_ch_buf )
+			*--dest = *--source;
+
+		yy_cp += (int) (dest - source);
+		yy_bp += (int) (dest - source);
+		yy_current_buffer->yy_n_chars =
+			yy_n_chars = yy_current_buffer->yy_buf_size;
+
+		if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+			YY_FATAL_ERROR( "flex scanner push-back overflow" );
+		}
+
+	*--yy_cp = (char) c;
+
+
+	yytext_ptr = yy_bp;
+	yy_hold_char = *yy_cp;
+	yy_c_buf_p = yy_cp;
+	}
+#endif	/* ifndef YY_NO_UNPUT */
+
+
+#ifdef __cplusplus
+static int yyinput()
+#else
+static int input()
+#endif
+	{
+	int c;
+
+	*yy_c_buf_p = yy_hold_char;
+
+	if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
+		{
+		/* yy_c_buf_p now points to the character we want to return.
+		 * If this occurs *before* the EOB characters, then it's a
+		 * valid NUL; if not, then we've hit the end of the buffer.
+		 */
+		if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
+			/* This was really a NUL. */
+			*yy_c_buf_p = '\0';
+
+		else
+			{ /* need more input */
+			int offset = yy_c_buf_p - yytext_ptr;
+			++yy_c_buf_p;
+
+			switch ( yy_get_next_buffer() )
+				{
+				case EOB_ACT_LAST_MATCH:
+					/* This happens because yy_g_n_b()
+					 * sees that we've accumulated a
+					 * token and flags that we need to
+					 * try matching the token before
+					 * proceeding.  But for input(),
+					 * there's no matching to consider.
+					 * So convert the EOB_ACT_LAST_MATCH
+					 * to EOB_ACT_END_OF_FILE.
+					 */
+
+					/* Reset buffer status. */
+					yyrestart( yyin );
+
+					/* fall through */
+
+				case EOB_ACT_END_OF_FILE:
+					{
+					if ( yywrap() )
+						return EOF;
+
+					if ( ! yy_did_buffer_switch_on_eof )
+						YY_NEW_FILE;
+#ifdef __cplusplus
+					return yyinput();
+#else
+					return input();
+#endif
+					}
+
+				case EOB_ACT_CONTINUE_SCAN:
+					yy_c_buf_p = yytext_ptr + offset;
+					break;
+				}
+			}
+		}
+
+	c = *(unsigned char *) yy_c_buf_p;	/* cast for 8-bit char's */
+	*yy_c_buf_p = '\0';	/* preserve yytext */
+	yy_hold_char = *++yy_c_buf_p;
+
+
+	return c;
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yyrestart( FILE *input_file )
+#else
+void yyrestart( input_file )
+FILE *input_file;
+#endif
+	{
+	if ( ! yy_current_buffer )
+		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
+
+	yy_init_buffer( yy_current_buffer, input_file );
+	yy_load_buffer_state();
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
+#else
+void yy_switch_to_buffer( new_buffer )
+YY_BUFFER_STATE new_buffer;
+#endif
+	{
+	if ( yy_current_buffer == new_buffer )
+		return;
+
+	if ( yy_current_buffer )
+		{
+		/* Flush out information for old buffer. */
+		*yy_c_buf_p = yy_hold_char;
+		yy_current_buffer->yy_buf_pos = yy_c_buf_p;
+		yy_current_buffer->yy_n_chars = yy_n_chars;
+		}
+
+	yy_current_buffer = new_buffer;
+	yy_load_buffer_state();
+
+	/* We don't actually know whether we did this switch during
+	 * EOF (yywrap()) processing, but the only time this flag
+	 * is looked at is after yywrap() is called, so it's safe
+	 * to go ahead and always set it.
+	 */
+	yy_did_buffer_switch_on_eof = 1;
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_load_buffer_state( void )
+#else
+void yy_load_buffer_state()
+#endif
+	{
+	yy_n_chars = yy_current_buffer->yy_n_chars;
+	yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
+	yyin = yy_current_buffer->yy_input_file;
+	yy_hold_char = *yy_c_buf_p;
+	}
+
+
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
+#else
+YY_BUFFER_STATE yy_create_buffer( file, size )
+FILE *file;
+int size;
+#endif
+	{
+	YY_BUFFER_STATE b;
+
+	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_buf_size = size;
+
+	/* yy_ch_buf has to be 2 characters longer than the size given because
+	 * we need to put in 2 end-of-buffer characters.
+	 */
+	b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
+	if ( ! b->yy_ch_buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+
+	b->yy_is_our_buffer = 1;
+
+	yy_init_buffer( b, file );
+
+	return b;
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_delete_buffer( YY_BUFFER_STATE b )
+#else
+void yy_delete_buffer( b )
+YY_BUFFER_STATE b;
+#endif
+	{
+	if ( ! b )
+		return;
+
+	if ( b == yy_current_buffer )
+		yy_current_buffer = (YY_BUFFER_STATE) 0;
+
+	if ( b->yy_is_our_buffer )
+		yy_flex_free( (void *) b->yy_ch_buf );
+
+	yy_flex_free( (void *) b );
+	}
+
+
+#ifndef YY_ALWAYS_INTERACTIVE
+#ifndef YY_NEVER_INTERACTIVE
+extern int isatty YY_PROTO(( int ));
+#endif
+#endif
+
+#ifdef YY_USE_PROTOS
+void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
+#else
+void yy_init_buffer( b, file )
+YY_BUFFER_STATE b;
+FILE *file;
+#endif
+
+
+	{
+	yy_flush_buffer( b );
+
+	b->yy_input_file = file;
+	b->yy_fill_buffer = 1;
+
+#if YY_ALWAYS_INTERACTIVE
+	b->yy_is_interactive = 1;
+#else
+#if YY_NEVER_INTERACTIVE
+	b->yy_is_interactive = 0;
+#else
+	b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+#endif
+#endif
+	}
+
+
+#ifdef YY_USE_PROTOS
+void yy_flush_buffer( YY_BUFFER_STATE b )
+#else
+void yy_flush_buffer( b )
+YY_BUFFER_STATE b;
+#endif
+
+	{
+	if ( ! b )
+		return;
+
+	b->yy_n_chars = 0;
+
+	/* We always need two end-of-buffer characters.  The first causes
+	 * a transition to the end-of-buffer state.  The second causes
+	 * a jam in that state.
+	 */
+	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
+	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
+
+	b->yy_buf_pos = &b->yy_ch_buf[0];
+
+	b->yy_at_bol = 1;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	if ( b == yy_current_buffer )
+		yy_load_buffer_state();
+	}
+
+
+#ifndef YY_NO_SCAN_BUFFER
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
+#else
+YY_BUFFER_STATE yy_scan_buffer( base, size )
+char *base;
+yy_size_t size;
+#endif
+	{
+	YY_BUFFER_STATE b;
+
+	if ( size < 2 ||
+	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
+	     base[size-1] != YY_END_OF_BUFFER_CHAR )
+		/* They forgot to leave room for the EOB's. */
+		return 0;
+
+	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+	if ( ! b )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+
+	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
+	b->yy_buf_pos = b->yy_ch_buf = base;
+	b->yy_is_our_buffer = 0;
+	b->yy_input_file = 0;
+	b->yy_n_chars = b->yy_buf_size;
+	b->yy_is_interactive = 0;
+	b->yy_at_bol = 1;
+	b->yy_fill_buffer = 0;
+	b->yy_buffer_status = YY_BUFFER_NEW;
+
+	yy_switch_to_buffer( b );
+
+	return b;
+	}
+#endif
+
+
+#ifndef YY_NO_SCAN_STRING
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
+#else
+YY_BUFFER_STATE yy_scan_string( yy_str )
+yyconst char *yy_str;
+#endif
+	{
+	int len;
+	for ( len = 0; yy_str[len]; ++len )
+		;
+
+	return yy_scan_bytes( yy_str, len );
+	}
+#endif
+
+
+#ifndef YY_NO_SCAN_BYTES
+#ifdef YY_USE_PROTOS
+YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
+#else
+YY_BUFFER_STATE yy_scan_bytes( bytes, len )
+yyconst char *bytes;
+int len;
+#endif
+	{
+	YY_BUFFER_STATE b;
+	char *buf;
+	yy_size_t n;
+	int i;
+
+	/* Get memory for full buffer, including space for trailing EOB's. */
+	n = len + 2;
+	buf = (char *) yy_flex_alloc( n );
+	if ( ! buf )
+		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+
+	for ( i = 0; i < len; ++i )
+		buf[i] = bytes[i];
+
+	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+
+	b = yy_scan_buffer( buf, n );
+	if ( ! b )
+		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+
+	/* It's okay to grow etc. this buffer, and we should throw it
+	 * away when we're done.
+	 */
+	b->yy_is_our_buffer = 1;
+
+	return b;
+	}
+#endif
+
+
+#ifndef YY_NO_PUSH_STATE
+#ifdef YY_USE_PROTOS
+static void yy_push_state( int new_state )
+#else
+static void yy_push_state( new_state )
+int new_state;
+#endif
+	{
+	if ( yy_start_stack_ptr >= yy_start_stack_depth )
+		{
+		yy_size_t new_size;
+
+		yy_start_stack_depth += YY_START_STACK_INCR;
+		new_size = yy_start_stack_depth * sizeof( int );
+
+		if ( ! yy_start_stack )
+			yy_start_stack = (int *) yy_flex_alloc( new_size );
+
+		else
+			yy_start_stack = (int *) yy_flex_realloc(
+					(void *) yy_start_stack, new_size );
+
+		if ( ! yy_start_stack )
+			YY_FATAL_ERROR(
+			"out of memory expanding start-condition stack" );
+		}
+
+	yy_start_stack[yy_start_stack_ptr++] = YY_START;
+
+	BEGIN(new_state);
+	}
+#endif
+
+
+#ifndef YY_NO_POP_STATE
+static void yy_pop_state()
+	{
+	if ( --yy_start_stack_ptr < 0 )
+		YY_FATAL_ERROR( "start-condition stack underflow" );
+
+	BEGIN(yy_start_stack[yy_start_stack_ptr]);
+	}
+#endif
+
+
+#ifndef YY_NO_TOP_STATE
+static int yy_top_state()
+	{
+	return yy_start_stack[yy_start_stack_ptr - 1];
+	}
+#endif
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+#ifdef YY_USE_PROTOS
+static void yy_fatal_error( yyconst char msg[] )
+#else
+static void yy_fatal_error( msg )
+char msg[];
+#endif
+	{
+	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+	}
+
+
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up yytext. */ \
+		yytext[yyleng] = yy_hold_char; \
+		yy_c_buf_p = yytext + n; \
+		yy_hold_char = *yy_c_buf_p; \
+		*yy_c_buf_p = '\0'; \
+		yyleng = n; \
+		} \
+	while ( 0 )
+
+
+/* Internal utility routines. */
+
+#ifndef yytext_ptr
+#ifdef YY_USE_PROTOS
+static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
+#else
+static void yy_flex_strncpy( s1, s2, n )
+char *s1;
+yyconst char *s2;
+int n;
+#endif
+	{
+	register int i;
+	for ( i = 0; i < n; ++i )
+		s1[i] = s2[i];
+	}
+#endif
+
+#ifdef YY_NEED_STRLEN
+#ifdef YY_USE_PROTOS
+static int yy_flex_strlen( yyconst char *s )
+#else
+static int yy_flex_strlen( s )
+yyconst char *s;
+#endif
+	{
+	register int n;
+	for ( n = 0; s[n]; ++n )
+		;
+
+	return n;
+	}
+#endif
+
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_alloc( yy_size_t size )
+#else
+static void *yy_flex_alloc( size )
+yy_size_t size;
+#endif
+	{
+	return (void *) malloc( size );
+	}
+
+#ifdef YY_USE_PROTOS
+static void *yy_flex_realloc( void *ptr, yy_size_t size )
+#else
+static void *yy_flex_realloc( ptr, size )
+void *ptr;
+yy_size_t size;
+#endif
+	{
+	/* The cast to (char *) in the following accommodates both
+	 * implementations that use char* generic pointers, and those
+	 * that use void* generic pointers.  It works with the latter
+	 * because both ANSI C and C++ allow castless assignment from
+	 * any pointer type to void*, and deal with argument conversions
+	 * as though doing an assignment.
+	 */
+	return (void *) realloc( (char *) ptr, size );
+	}
+
+#ifdef YY_USE_PROTOS
+static void yy_flex_free( void *ptr )
+#else
+static void yy_flex_free( ptr )
+void *ptr;
+#endif
+	{
+	free( ptr );
+	}
+
+#if YY_MAIN
+int main()
+	{
+	yylex();
+	return 0;
+	}
+#endif
+#line 764 "lexer.lxx"

panda/src/egg/lexer.lxx

@@ -339,6 +339,10 @@ NUMERIC         ([+-]?(([0-9]+[.]?)|([0-9]*[.][0-9]+))([eE][+-]?[0-9]+)?)
 
 
 
+"<ANIMPRELOAD>" {
+  accept();
+  return ANIMPRELOAD;
+}
 "<BEZIERCURVE>" {
   accept();
   return BEZIERCURVE;

panda/src/egg/parser.h.prebuilt

@@ -1,233 +1,92 @@
-/* A Bison parser, made by GNU Bison 2.3.  */
+#define	EGG_NUMBER	257
+#define	EGG_ULONG	258
+#define	EGG_STRING	259
+#define	ANIMPRELOAD	260
+#define	BEZIERCURVE	261
+#define	BFACE	262
+#define	BILLBOARD	263
+#define	BILLBOARDCENTER	264
+#define	BINORMAL	265
+#define	BUNDLE	266
+#define	CLOSED	267
+#define	COLLIDE	268
+#define	COMMENT	269
+#define	COMPONENT	270
+#define	COORDSYSTEM	271
+#define	CV	272
+#define	DART	273
+#define	DNORMAL	274
+#define	DRGBA	275
+#define	DUV	276
+#define	DXYZ	277
+#define	DCS	278
+#define	DISTANCE	279
+#define	DTREF	280
+#define	DYNAMICVERTEXPOOL	281
+#define	EXTERNAL_FILE	282
+#define	FLIGHT	283
+#define	GROUP	284
+#define	HIP	285
+#define	INTANGENT	286
+#define	JOINT	287
+#define	KNOTS	288
+#define	INCLUDE	289
+#define	INSTANCE	290
+#define	LINE	291
+#define	LOOP	292
+#define	MATERIAL	293
+#define	MATRIX3	294
+#define	MATRIX4	295
+#define	MODEL	296
+#define	MREF	297
+#define	NORMAL	298
+#define	NURBSCURVE	299
+#define	NURBSSURFACE	300
+#define	OBJECTTYPE	301
+#define	ORDER	302
+#define	OUTTANGENT	303
+#define	POINTLIGHT	304
+#define	POLYGON	305
+#define	REF	306
+#define	RGBA	307
+#define	ROTATE	308
+#define	ROTX	309
+#define	ROTY	310
+#define	ROTZ	311
+#define	SANIM	312
+#define	SCALAR	313
+#define	SCALE	314
+#define	SEQUENCE	315
+#define	SHADING	316
+#define	SWITCH	317
+#define	SWITCHCONDITION	318
+#define	TABLE	319
+#define	TABLE_V	320
+#define	TAG	321
+#define	TANGENT	322
+#define	TEXLIST	323
+#define	TEXTURE	324
+#define	TLENGTHS	325
+#define	TRANSFORM	326
+#define	TRANSLATE	327
+#define	TREF	328
+#define	TRIANGLEFAN	329
+#define	TRIANGLESTRIP	330
+#define	TRIM	331
+#define	TXT	332
+#define	UKNOTS	333
+#define	UV	334
+#define	VKNOTS	335
+#define	VERTEX	336
+#define	VERTEXANIM	337
+#define	VERTEXPOOL	338
+#define	VERTEXREF	339
+#define	XFMANIM	340
+#define	XFMSANIM	341
+#define	START_EGG	342
+#define	START_GROUP_BODY	343
+#define	START_TEXTURE_BODY	344
+#define	START_PRIMITIVE_BODY	345
 
-/* Skeleton interface for Bison's Yacc-like parsers in C
-
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
-   Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
-
-/* As a special exception, you may create a larger work that contains
-   part or all of the Bison parser skeleton and distribute that work
-   under terms of your choice, so long as that work isn't itself a
-   parser generator using the skeleton or a modified version thereof
-   as a parser skeleton.  Alternatively, if you modify or redistribute
-   the parser skeleton itself, you may (at your option) remove this
-   special exception, which will cause the skeleton and the resulting
-   Bison output files to be licensed under the GNU General Public
-   License without this special exception.
-
-   This special exception was added by the Free Software Foundation in
-   version 2.2 of Bison.  */
-
-/* Tokens.  */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
-   /* Put the tokens into the symbol table, so that GDB and other debuggers
-      know about them.  */
-   enum yytokentype {
-     EGG_NUMBER = 258,
-     EGG_ULONG = 259,
-     EGG_STRING = 260,
-     BEZIERCURVE = 261,
-     BFACE = 262,
-     BILLBOARD = 263,
-     BILLBOARDCENTER = 264,
-     BINORMAL = 265,
-     BUNDLE = 266,
-     CLOSED = 267,
-     COLLIDE = 268,
-     COMMENT = 269,
-     COMPONENT = 270,
-     COORDSYSTEM = 271,
-     CV = 272,
-     DART = 273,
-     DNORMAL = 274,
-     DRGBA = 275,
-     DUV = 276,
-     DXYZ = 277,
-     DCS = 278,
-     DISTANCE = 279,
-     DTREF = 280,
-     DYNAMICVERTEXPOOL = 281,
-     EXTERNAL_FILE = 282,
-     FLIGHT = 283,
-     GROUP = 284,
-     HIP = 285,
-     INTANGENT = 286,
-     JOINT = 287,
-     KNOTS = 288,
-     INCLUDE = 289,
-     INSTANCE = 290,
-     LINE = 291,
-     LOOP = 292,
-     MATERIAL = 293,
-     MATRIX3 = 294,
-     MATRIX4 = 295,
-     MODEL = 296,
-     MREF = 297,
-     NORMAL = 298,
-     NURBSCURVE = 299,
-     NURBSSURFACE = 300,
-     OBJECTTYPE = 301,
-     ORDER = 302,
-     OUTTANGENT = 303,
-     POINTLIGHT = 304,
-     POLYGON = 305,
-     REF = 306,
-     RGBA = 307,
-     ROTATE = 308,
-     ROTX = 309,
-     ROTY = 310,
-     ROTZ = 311,
-     SANIM = 312,
-     SCALAR = 313,
-     SCALE = 314,
-     SEQUENCE = 315,
-     SHADING = 316,
-     SWITCH = 317,
-     SWITCHCONDITION = 318,
-     TABLE = 319,
-     TABLE_V = 320,
-     TAG = 321,
-     TANGENT = 322,
-     TEXLIST = 323,
-     TEXTURE = 324,
-     TLENGTHS = 325,
-     TRANSFORM = 326,
-     TRANSLATE = 327,
-     TREF = 328,
-     TRIANGLEFAN = 329,
-     TRIANGLESTRIP = 330,
-     TRIM = 331,
-     TXT = 332,
-     UKNOTS = 333,
-     UV = 334,
-     VKNOTS = 335,
-     VERTEX = 336,
-     VERTEXANIM = 337,
-     VERTEXPOOL = 338,
-     VERTEXREF = 339,
-     XFMANIM = 340,
-     XFMSANIM = 341,
-     START_EGG = 342,
-     START_GROUP_BODY = 343,
-     START_TEXTURE_BODY = 344,
-     START_PRIMITIVE_BODY = 345
-   };
-#endif
-/* Tokens.  */
-#define EGG_NUMBER 258
-#define EGG_ULONG 259
-#define EGG_STRING 260
-#define BEZIERCURVE 261
-#define BFACE 262
-#define BILLBOARD 263
-#define BILLBOARDCENTER 264
-#define BINORMAL 265
-#define BUNDLE 266
-#define CLOSED 267
-#define COLLIDE 268
-#define COMMENT 269
-#define COMPONENT 270
-#define COORDSYSTEM 271
-#define CV 272
-#define DART 273
-#define DNORMAL 274
-#define DRGBA 275
-#define DUV 276
-#define DXYZ 277
-#define DCS 278
-#define DISTANCE 279
-#define DTREF 280
-#define DYNAMICVERTEXPOOL 281
-#define EXTERNAL_FILE 282
-#define FLIGHT 283
-#define GROUP 284
-#define HIP 285
-#define INTANGENT 286
-#define JOINT 287
-#define KNOTS 288
-#define INCLUDE 289
-#define INSTANCE 290
-#define LINE 291
-#define LOOP 292
-#define MATERIAL 293
-#define MATRIX3 294
-#define MATRIX4 295
-#define MODEL 296
-#define MREF 297
-#define NORMAL 298
-#define NURBSCURVE 299
-#define NURBSSURFACE 300
-#define OBJECTTYPE 301
-#define ORDER 302
-#define OUTTANGENT 303
-#define POINTLIGHT 304
-#define POLYGON 305
-#define REF 306
-#define RGBA 307
-#define ROTATE 308
-#define ROTX 309
-#define ROTY 310
-#define ROTZ 311
-#define SANIM 312
-#define SCALAR 313
-#define SCALE 314
-#define SEQUENCE 315
-#define SHADING 316
-#define SWITCH 317
-#define SWITCHCONDITION 318
-#define TABLE 319
-#define TABLE_V 320
-#define TAG 321
-#define TANGENT 322
-#define TEXLIST 323
-#define TEXTURE 324
-#define TLENGTHS 325
-#define TRANSFORM 326
-#define TRANSLATE 327
-#define TREF 328
-#define TRIANGLEFAN 329
-#define TRIANGLESTRIP 330
-#define TRIM 331
-#define TXT 332
-#define UKNOTS 333
-#define UV 334
-#define VKNOTS 335
-#define VERTEX 336
-#define VERTEXANIM 337
-#define VERTEXPOOL 338
-#define VERTEXREF 339
-#define XFMANIM 340
-#define XFMSANIM 341
-#define START_EGG 342
-#define START_GROUP_BODY 343
-#define START_TEXTURE_BODY 344
-#define START_PRIMITIVE_BODY 345
-
-
-
-
-#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
-typedef int YYSTYPE;
-# define yystype YYSTYPE /* obsolescent; will be withdrawn */
-# define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
-#endif
 
 extern YYSTYPE eggyylval;
-

panda/src/egg/parser.yxx

@@ -32,6 +32,7 @@
 #include "eggCoordinateSystem.h"
 #include "eggExternalReference.h"
 #include "eggData.h"
+#include "eggAnimPreload.h"
 #include "pt_EggTexture.h"
 #include "pt_EggMaterial.h"
 
@@ -146,6 +147,7 @@ egg_cleanup_parser() {
 %token <_ulong> EGG_ULONG
 %token <_string> EGG_STRING
 
+%token ANIMPRELOAD
 %token BEZIERCURVE BFACE BILLBOARD BILLBOARDCENTER BINORMAL BUNDLE CLOSED
 %token COLLIDE COMMENT COMPONENT
 %token COORDSYSTEM CV DART
@@ -190,6 +192,7 @@ egg_cleanup_parser() {
 %type <_egg> nurbs_curve
 %type <_egg> table
 %type <_egg> bundle
+%type <_egg> anim_preload
 %type <_egg> sanim
 %type <_egg> xfmanim
 %type <_egg> xfm_s_anim
@@ -261,6 +264,7 @@ node:
         | nurbs_surface
         | nurbs_curve
         | table
+        | anim_preload
         ;
 
 /*
@@ -2484,7 +2488,6 @@ bundle:
 }
         ;
 
-
 /*
  * table_body
  *
@@ -2670,6 +2673,52 @@ xfm_s_anim_body:
         ;
 
 
+/*
+ * anim_preload
+ *
+ * enter:
+ * exit: returns a new EggAnimPreload object.
+ *
+ */
+anim_preload:
+        ANIMPRELOAD optional_name
+{
+  EggAnimPreload *anim_preload = new EggAnimPreload($2);
+  egg_stack.push_back(anim_preload);
+}
+        '{' anim_preload_body '}'
+{
+  $$ = egg_stack.back();
+  egg_stack.pop_back();
+}
+        ;
+
+
+/*
+ * anim_preload_body
+ *
+ * enter: TOS is EggAnimPreload.
+ * exit: anim_preload contents have been filled.
+ *
+ */
+anim_preload_body:
+        empty
+        | anim_preload_body SCALAR required_name '{' real_or_string '}'
+{
+  EggAnimPreload *anim_preload = DCAST(EggAnimPreload, egg_stack.back());
+  string name = $3;
+  double value = $<_number>5;
+
+  if (cmp_nocase_uh(name, "fps") == 0) {
+    anim_preload->set_fps(value);
+  } else if (cmp_nocase_uh(name, "frames") == 0) {
+    anim_preload->set_num_frames((int)value);
+  } else {
+    eggyywarning("Unsupported AnimPreload scalar: " + name);
+  }
+}
+        ;
+
 /*
  * integer_list
  *

panda/src/egg2pg/characterMaker.cxx

@@ -32,6 +32,8 @@
 #include "characterVertexSlider.h"
 #include "jointVertexTransform.h"
 #include "userVertexTransform.h"
+#include "eggAnimPreload.h"
+#include "animPreloadTable.h"
 
 ////////////////////////////////////////////////////////////////////
 //     Function: CharacterMaker::Construtor
@@ -238,6 +240,28 @@ make_bundle() {
 ////////////////////////////////////////////////////////////////////
 void CharacterMaker::
 build_joint_hierarchy(EggNode *egg_node, PartGroup *part, int index) {
+  if (egg_node->is_of_type(EggAnimPreload::get_class_type())) {
+    EggAnimPreload *egg_anim_preload = DCAST(EggAnimPreload, egg_node);
+
+    double fps = 24.0;
+    if (egg_anim_preload->has_fps()) {
+      fps = egg_anim_preload->get_fps();
+    }
+
+    int num_frames = 1;
+    if (egg_anim_preload->has_num_frames()) {
+      num_frames = egg_anim_preload->get_num_frames();
+    }
+
+    PT(AnimPreloadTable) anim_preload = _bundle->modify_anim_preload();
+    if (anim_preload == (AnimPreloadTable *)NULL) {
+      anim_preload = new AnimPreloadTable;
+      _bundle->set_anim_preload(anim_preload);
+    }
+    anim_preload->add_anim(egg_node->get_name(), fps, num_frames);
+    return;
+  }
+
   if (egg_node->is_of_type(EggGroup::get_class_type())) {
     EggGroup *egg_group = DCAST(EggGroup, egg_node);
 

panda/src/event/eventQueue.cxx

@@ -45,6 +45,11 @@ EventQueue::
 void EventQueue::
 queue_event(CPT_Event event) {
   nassertv(!event.is_null());
+  if (event->get_name().empty()) {
+    // Never mind.
+    return;
+  }
+
   MutexHolder holder(_lock);
 
   _queue.push_back(event);

panda/src/event/throw_event.I

@@ -53,6 +53,20 @@ throw_event(const string &event_name,
   EventQueue::get_global_event_queue()->queue_event(event);
 }
 
+INLINE void
+throw_event(const string &event_name,
+            const EventParameter &p1,
+            const EventParameter &p2,
+            const EventParameter &p3,
+            const EventParameter &p4) {
+  Event *event = new Event(event_name);
+  event->add_parameter(p1);
+  event->add_parameter(p2);
+  event->add_parameter(p3);
+  event->add_parameter(p4);
+  EventQueue::get_global_event_queue()->queue_event(event);
+}
+
 ////////////////////////////////////////////////////////////////////////////
 
 INLINE void

panda/src/event/throw_event.h

@@ -33,6 +33,11 @@ INLINE void throw_event(const string &event_name,
                         const EventParameter &p1,
                         const EventParameter &p2,
                         const EventParameter &p3);
+INLINE void throw_event(const string &event_name,
+                        const EventParameter &p1,
+                        const EventParameter &p2,
+                        const EventParameter &p3,
+                        const EventParameter &p4);
 
 #include "eventHandler.h"
 

panda/src/pgraph/billboardEffect.cxx

@@ -278,6 +278,11 @@ compute_billboard(CPT(TransformState) &node_transform,
 
   CPT(TransformState) rel_transform =
     net_transform->compose(translate)->invert_compose(camera_transform);
+  if (!rel_transform->has_mat()) {
+    // Never mind.
+    return;
+  }
+
   const LMatrix4f &rel_mat = rel_transform->get_mat();
 
   // Determine the look_at point in the camera space.

panda/src/putil/bam.h

@@ -49,6 +49,7 @@ static const unsigned short _bam_minor_ver = 16;
 // Bumped to minor version 14 on 12/19/07 to change default ColorAttrib.
 // Bumped to minor version 15 on 4/9/08 to add TextureAttrib::_implicit_sort.
 // Bumped to minor version 16 on 5/13/08 to add Texture::_quality_level.
+// Bumped to minor version 17 on 8/6/08 to add PartBundle::_anim_preload.
 
 
 #endif

panda/src/putil/bamReader.cxx

@@ -540,6 +540,8 @@ read_handle(DatagramIterator &scan) {
 ////////////////////////////////////////////////////////////////////
 void BamReader::
 read_pointer(DatagramIterator &scan) {
+  Thread::consider_yield();
+
   nassertv(_now_creating != _created_objs.end());
   int requestor_id = (*_now_creating).first;