Panda3D
|
00001 // Filename: parserDefs.h 00002 // Created by: drose (17Jan99) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef PARSER_H 00016 #define PARSER_H 00017 00018 #include "pandabase.h" 00019 00020 #include "eggObject.h" 00021 00022 #include "pointerTo.h" 00023 #include "pointerToArray.h" 00024 #include "pta_double.h" 00025 00026 #include <string> 00027 00028 class EggGroupNode; 00029 class LightMutex; 00030 00031 extern LightMutex egg_lock; 00032 00033 void egg_init_parser(istream &in, const string &filename, 00034 EggObject *tos, EggGroupNode *egg_top_node); 00035 00036 void egg_cleanup_parser(); 00037 00038 // This structure holds the return value for each token. 00039 // Traditionally, this is a union, and is declared with the %union 00040 // declaration in the parser.y file, but unions are pretty worthless 00041 // in C++ (you can't include an object that has member functions in a 00042 // union), so we'll use a class instead. That means we need to 00043 // declare it externally, here. 00044 00045 class EXPCL_PANDAEGG EggTokenType { 00046 public: 00047 double _number; 00048 unsigned long _ulong; 00049 string _string; 00050 PT(EggObject) _egg; 00051 PTA_double _number_list; 00052 }; 00053 00054 // The yacc-generated code expects to use the symbol 'YYSTYPE' to 00055 // refer to the above class. 00056 #define YYSTYPE EggTokenType 00057 00058 #endif