/[svn]/linuxsampler/trunk/src/network/lscpparser.h
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Annotation of /linuxsampler/trunk/src/network/lscpparser.h

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Revision 2510 - (hide annotations) (download) (as text)
Thu Jan 23 04:00:26 2014 UTC (10 years, 2 months ago) by schoenebeck
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* LSCP server: provide comprehensive error messages on LSCP
  syntax errors (suggesting expected next non-terminal symbols)
* Bumped version (v1.0.0.svn26).

1 schoenebeck 35 /***************************************************************************
2     * *
3     * LinuxSampler - modular, streaming capable sampler *
4     * *
5 schoenebeck 56 * Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck *
6 schoenebeck 2510 * Copyright (C) 2005 - 2014 Christian Schoenebeck *
7 schoenebeck 35 * *
8     * This program is free software; you can redistribute it and/or modify *
9     * it under the terms of the GNU General Public License as published by *
10     * the Free Software Foundation; either version 2 of the License, or *
11     * (at your option) any later version. *
12     * *
13     * This program is distributed in the hope that it will be useful, *
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16     * GNU General Public License for more details. *
17     * *
18     * You should have received a copy of the GNU General Public License *
19     * along with this program; if not, write to the Free Software *
20     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, *
21     * MA 02111-1307 USA *
22     ***************************************************************************/
23    
24     #ifndef __LSCPPARSER_H__
25     #define __LSCPPARSER_H__
26    
27     #include <sys/types.h>
28 senoner 1481 #if defined(WIN32)
29     #include <windows.h>
30     #else
31 schoenebeck 35 #include <sys/socket.h>
32 senoner 1481 #endif
33 schoenebeck 35
34     #include <stdlib.h>
35     #include <iostream>
36     #include <sstream>
37     #include <string>
38 schoenebeck 2510 #include <stdint.h>
39     #include <set>
40 schoenebeck 35
41 schoenebeck 1424 #include "../common/global_private.h"
42 schoenebeck 1332 #include "../common/Path.h"
43 senkov 170 #include "lscpevent.h"
44 schoenebeck 53 #include "../Sampler.h"
45 schoenebeck 947 #include "../drivers/midi/MidiInstrumentMapper.h"
46 schoenebeck 35
47 persson 1765 namespace LinuxSampler {
48    
49 schoenebeck 35 /// Will be returned by the parser in case of syntax errors.
50     #define LSCP_SYNTAX_ERROR -69
51 senkov 170 #define LSCP_QUIT -1
52     #define LSCP_DONE 0
53 schoenebeck 35
54 senkov 170 // just symbol prototyping
55     class LSCPServer;
56    
57 schoenebeck 35 /**
58     * How the fill states of disk stream buffers should be reflected.
59     */
60     enum fill_response_t {
61     fill_response_bytes, ///< The returned values are meant in bytes.
62     fill_response_percentage ///< The returned values are meant in percentage.
63     };
64    
65     /**
66     * Semantic value of the lookahead symbol.
67     *
68     * Structure that is used by the parser to process and return values from the
69     * input text. The lexical analyzer for example returns a number for
70     * recognized number strings in the input text and the parser might return a
71     * value for each of it's rules.
72     */
73 schoenebeck 1244 struct _YYSTYPE {
74 schoenebeck 35 union {
75 schoenebeck 947 char Char;
76     unsigned int Number;
77 schoenebeck 1047 bool Bool;
78 schoenebeck 947 double Dotnum;
79     fill_response_t FillResponse;
80     LSCPEvent::event_t Event;
81     MidiInstrumentMapper::mode_t LoadMode;
82 schoenebeck 35 };
83 schoenebeck 123 std::string String;
84     std::map<std::string,std::string> KeyValList;
85 schoenebeck 1332 Path UniversalPath;
86 schoenebeck 35 };
87 schoenebeck 1244 #define YYSTYPE _YYSTYPE
88 schoenebeck 35 #define yystype YYSTYPE ///< For backward compatibility.
89     #define YYSTYPE_IS_DECLARED ///< We tell the lexer / parser that we use our own data structure as defined above.
90 schoenebeck 2510 #define YYTYPE_INT16 int16_t
91 schoenebeck 35
92     /**
93     * Parameters given to the parser on every yyparse() call.
94     */
95     struct yyparse_param_t {
96     LSCPServer* pServer;
97 schoenebeck 210 int hSession;
98     bool bVerbose; ///< if true then all commands will immediately sent back (echo)
99 schoenebeck 1252 int iLine; ///< Current line (just for verbosity / messages)
100     int iColumn; ///< Current column (just for verbosity / messages)
101 schoenebeck 2510 YYTYPE_INT16** ppStackBottom; ///< Bottom end of the Bison parser's state stack.
102     YYTYPE_INT16** ppStackTop; ///< Current position (heap) of the Bison parser's state stack.
103 schoenebeck 210
104     yyparse_param_t() {
105     pServer = NULL;
106     hSession = -1;
107     bVerbose = false;
108 schoenebeck 1252 iLine = iColumn = 0;
109 schoenebeck 2510 ppStackBottom = ppStackTop = NULL;
110 schoenebeck 210 }
111 schoenebeck 35 };
112     #define YYPARSE_PARAM yyparse_param
113    
114     /**
115     * Prototype of the main scanner function (lexical analyzer).
116     */
117 schoenebeck 219 #define YY_DECL int yylex(YYSTYPE* yylval)
118 schoenebeck 35
119 persson 1765 }
120    
121 schoenebeck 35 #endif // __LSCPPARSER_H__

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