Panda3D

xParserDefs.h

00001 // Filename: xParserDefs.h
00002 // Created by:  drose (03Oct04)
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 XPARSERDEFS_H
00016 #define XPARSERDEFS_H
00017 
00018 #include "pandatoolbase.h"
00019 #include "windowsGuid.h"
00020 #include "xFileDataDef.h"
00021 #include "pta_int.h"
00022 #include "pta_double.h"
00023 
00024 class XFile;
00025 class XFileNode;
00026 
00027 void x_init_parser(istream &in, const string &filename, XFile &file);
00028 void x_cleanup_parser();
00029 int xyyparse();
00030 
00031 // This structure holds the return value for each token.
00032 // Traditionally, this is a union, and is declared with the %union
00033 // declaration in the parser.y file, but unions are pretty worthless
00034 // in C++ (you can't include an object that has member functions in a
00035 // union), so we'll use a class instead.  That means we need to
00036 // declare it externally, here.
00037 
00038 class XTokenType {
00039 public:
00040   union U {
00041     int number;
00042     XFileNode *node;
00043     XFileDataDef::Type primitive_type;
00044   } u;
00045   string str;
00046   WindowsGuid guid;
00047   PTA_double double_list;
00048   PTA_int int_list;
00049 };
00050 
00051 // The yacc-generated code expects to use the symbol 'YYSTYPE' to
00052 // refer to the above class.
00053 #define YYSTYPE XTokenType
00054 
00055 #endif
 All Classes Functions Variables Enumerations