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* * |
* * |
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* LinuxSampler - modular, streaming capable sampler * |
* LinuxSampler - modular, streaming capable sampler * |
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* * |
* * |
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* Copyright (C) 2003 by Benno Senoner and Christian Schoenebeck * |
* Copyright (C) 2003, 2004 by Benno Senoner and Christian Schoenebeck * |
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* Copyright (C) 2005 - 2014 Christian Schoenebeck * |
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* * |
* * |
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* This program is free software; you can redistribute it and/or modify * |
* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
* it under the terms of the GNU General Public License as published by * |
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#define __LSCPPARSER_H__ |
#define __LSCPPARSER_H__ |
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#include <sys/types.h> |
#include <sys/types.h> |
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#if defined(WIN32) |
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#include <windows.h> |
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#else |
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#include <sys/socket.h> |
#include <sys/socket.h> |
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#endif |
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#include <stdlib.h> |
#include <stdlib.h> |
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#include <iostream> |
#include <iostream> |
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#include <sstream> |
#include <sstream> |
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#include <string> |
#include <string> |
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#include <stdint.h> |
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#include <set> |
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#include "../common/global.h" |
#include "../common/global_private.h" |
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#include "../common/Path.h" |
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#include "lscpevent.h" |
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#include "../Sampler.h" |
#include "../Sampler.h" |
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#include "../drivers/midi/MidiInstrumentMapper.h" |
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namespace LinuxSampler { |
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/// Will be returned by the parser in case of syntax errors. |
/// Will be returned by the parser in case of syntax errors. |
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#define LSCP_SYNTAX_ERROR -69 |
#define LSCP_SYNTAX_ERROR -69 |
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#define LSCP_QUIT -1 |
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#define LSCP_DONE 0 |
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using namespace LinuxSampler; |
// just symbol prototyping |
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class LSCPServer; |
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/** |
/** |
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* How the fill states of disk stream buffers should be reflected. |
* How the fill states of disk stream buffers should be reflected. |
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* recognized number strings in the input text and the parser might return a |
* recognized number strings in the input text and the parser might return a |
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* value for each of it's rules. |
* value for each of it's rules. |
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*/ |
*/ |
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struct YYSTYPE { |
struct _YYSTYPE { |
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union { |
union { |
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char Char; |
char Char; |
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unsigned int Number; |
unsigned int Number; |
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double Dotnum; |
bool Bool; |
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fill_response_t FillResponse; |
double Dotnum; |
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audio_output_type_t AudioOutput; |
fill_response_t FillResponse; |
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midi_input_type_t MidiInput; |
LSCPEvent::event_t Event; |
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MidiInstrumentMapper::mode_t LoadMode; |
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}; |
}; |
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std::string String; |
std::string String; |
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std::map<std::string,std::string> KeyValList; |
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Path UniversalPath; |
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}; |
}; |
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#define YYSTYPE _YYSTYPE |
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#define yystype YYSTYPE ///< For backward compatibility. |
#define yystype YYSTYPE ///< For backward compatibility. |
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#define YYSTYPE_IS_DECLARED ///< We tell the lexer / parser that we use our own data structure as defined above. |
#define YYSTYPE_IS_DECLARED ///< We tell the lexer / parser that we use our own data structure as defined above. |
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#define YYTYPE_INT16 int16_t |
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// just symbol prototyping |
#define YYDEBUG 1 |
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class LSCPServer; |
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// pointer to an (reentrant) scanner / lexical analyzer |
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typedef void* yyscan_t; |
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/** |
/** |
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* Parameters given to the parser on every yyparse() call. |
* Parameters given to the parser on every yyparse() call. |
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*/ |
*/ |
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struct yyparse_param_t { |
struct yyparse_param_t { |
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LSCPServer* pServer; |
LSCPServer* pServer; |
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yyscan_t pScanner; |
int hSession; |
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bool bVerbose; ///< if true then all commands will immediately sent back (echo) |
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bool bShellInteract; ///< if true: then client is the LSCP shell |
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bool bShellAutoCorrect; ///< if true: try to automatically correct obvious syntax mistakes |
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int iLine; ///< Current line (just for verbosity / messages) |
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int iColumn; ///< Current column (just for verbosity / messages) |
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YYTYPE_INT16** ppStackBottom; ///< Bottom end of the Bison parser's state stack. |
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YYTYPE_INT16** ppStackTop; ///< Current position (heap) of the Bison parser's state stack. |
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yyparse_param_t() { |
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pServer = NULL; |
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hSession = -1; |
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bVerbose = false; |
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bShellInteract = bShellAutoCorrect = false; |
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iLine = iColumn = 0; |
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ppStackBottom = ppStackTop = NULL; |
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} |
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}; |
}; |
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#define YYPARSE_PARAM yyparse_param |
#define YYPARSE_PARAM yyparse_param |
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/** |
/** |
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* Prototype of the main scanner function (lexical analyzer). |
* Prototype of the main scanner function (lexical analyzer). |
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*/ |
*/ |
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#define YY_DECL int yylex(YYSTYPE* yylval, yyscan_t yyscanner) |
#define YY_DECL int yylex(YYSTYPE* yylval) |
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/** |
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* Override lex's input function which just reads from stdin by default. |
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* We read from a socket instead. |
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*/ |
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#define YY_INPUT(buf,result,max_size) \ |
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errno=0; \ |
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while ( (result = recv(hSession, buf, max_size, 0)) < 0 ) \ |
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{ \ |
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if(errno != EINTR) \ |
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{ \ |
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switch(errno) { \ |
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case EBADF: \ |
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dmsg(2,("LSCPScanner: The argument s is an invalid descriptor.\n")); \ |
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break; \ |
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case ECONNREFUSED: \ |
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dmsg(2,("LSCPScanner: A remote host refused to allow the network connection (typically because it is not running the requested service).\n")); \ |
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break; \ |
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case ENOTCONN: \ |
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dmsg(2,("LSCPScanner: The socket is associated with a connection-oriented protocol and has not been connected (see connect(2) and accept(2)).\n")); \ |
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break; \ |
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case ENOTSOCK: \ |
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dmsg(2,("LSCPScanner: The argument s does not refer to a socket.\n")); \ |
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break; \ |
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case EAGAIN: \ |
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dmsg(2,("LSCPScanner: The socket is marked non-blocking and the receive operation would block, or a receive timeout had been set and the timeout expired before data was received.\n")); \ |
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break; \ |
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case EINTR: \ |
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dmsg(2,("LSCPScanner: The receive was interrupted by delivery of a signal before any data were available.\n")); \ |
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break; \ |
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case EFAULT: \ |
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dmsg(2,("LSCPScanner: The receive buffer pointer(s) point outside the process's address space.\n")); \ |
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break; \ |
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case EINVAL: \ |
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dmsg(2,("LSCPScanner: Invalid argument passed.\n")); \ |
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break; \ |
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case ENOMEM: \ |
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dmsg(2,("LSCPScanner: Could not allocate memory for recvmsg.\n")); \ |
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break; \ |
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default: \ |
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dmsg(2,("LSCPScanner: Unknown recv() error.\n")); \ |
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break; \ |
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} \ |
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YY_FATAL_ERROR( "input in flex scanner failed" ); \ |
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break; \ |
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} \ |
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errno=0; \ |
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clearerr(yyin); \ |
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}\ |
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} |
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#endif // __LSCPPARSER_H__ |
#endif // __LSCPPARSER_H__ |