Panda3D

dcParserDefs.h
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1 /**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file dcParserDefs.h
10 * @author drose
11 * @date 2000-10-05
12 */
13
14 #ifndef DCPARSERDEFS_H
15 #define DCPARSERDEFS_H
16
17 #include "dcbase.h"
18 #include "dcSubatomicType.h"
19
20 class DCFile;
21 class DCClass;
22 class DCSwitch;
23 class DCField;
24 class DCAtomicField;
25 class DCParameter;
26 class DCKeyword;
27 class DCPacker;
28
29 void dc_init_parser(std::istream &in, const std::string &filename, DCFile &file);
30 void dc_init_parser_parameter_value(std::istream &in, const std::string &filename,
31 DCPacker &packer);
32 void dc_init_parser_parameter_description(std::istream &in, const std::string &filename,
33 DCFile *file);
34 DCField *dc_get_parameter_description();
35 void dc_cleanup_parser();
36 int dcyyparse();
37
38 extern DCFile *dc_file;
39
40 // This structure holds the return value for each token. Traditionally, this
41 // is a union, and is declared with the %union declaration in the parser.y
42 // file, but unions are pretty worthless in C++ (you can't include an object
43 // that has member functions in a union), so we'll use a class instead. That
44 // means we need to declare it externally, here.
45
46 class EXPCL_DIRECT_DCPARSER DCTokenType {
47 public:
48 union U {
49 int s_int;
50 unsigned int s_uint;
51 int64_t int64;
52 uint64_t uint64;
53 double real;
54 bool flag;
55 DCClass *dclass;
56 DCSwitch *dswitch;
57 DCField *field;
58 DCAtomicField *atomic;
59 DCSubatomicType subatomic;
60 DCParameter *parameter;
61 const DCKeyword *keyword;
62 } u;
63 std::string str;
64 vector_uchar bytes;
65 };
66
67 // The yacc-generated code expects to use the symbol 'YYSTYPE' to refer to the
68 // above class.
69 #define YYSTYPE DCTokenType
70
71 #endif
DCAtomicField
A single atomic field of a Distributed Class, as read from a .dc file.
Definition: dcAtomicField.h:30
DCClass
Defines a particular DistributedClass as read from an input .dc file.
Definition: dcClass.h:44
DCField
A single field of a Distributed Class, either atomic or molecular.
Definition: dcField.h:37
DCFile
Represents the complete list of Distributed Class descriptions as read from a .dc file.
Definition: dcFile.h:32
DCKeyword
This represents a single keyword declaration in the dc file.
Definition: dcKeyword.h:28
DCPacker
This class can be used for packing a series of numeric and string data into a binary stream,...
Definition: dcPacker.h:34
DCParameter
Represents the type specification for a single parameter within a field specification.
Definition: dcParameter.h:35
DCSwitch
This represents a switch statement, which can appear inside a class body and represents two or more a...
Definition: dcSwitch.h:30
DCTokenType
Definition: dcParserDefs.h:46
dcSubatomicType.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
DCSubatomicType
DCSubatomicType
This defines the numeric type of each element of a DCAtomicField; that is, the particular values that...
Definition: dcSubatomicType.h:25
dcbase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
DCTokenType::U
Definition: dcParserDefs.h:48