37 |
|
|
38 |
// to save us typing work in the rules action definitions |
// to save us typing work in the rules action definitions |
39 |
#define LSCPSERVER ((yyparse_param_t*) yyparse_param)->pServer |
#define LSCPSERVER ((yyparse_param_t*) yyparse_param)->pServer |
40 |
|
#define SESSION_PARAM ((yyparse_param_t*) yyparse_param) |
41 |
|
#define INCREMENT_LINE { SESSION_PARAM->iLine++; SESSION_PARAM->iColumn = 0; } |
42 |
|
|
43 |
// clears input buffer |
// clears input buffer |
44 |
void restart(yyparse_param_t* pparam, int& yychar); |
void restart(yyparse_param_t* pparam, int& yychar); |
50 |
static char buf[1024]; // input buffer to feed the parser with new characters |
static char buf[1024]; // input buffer to feed the parser with new characters |
51 |
static int bytes = 0; // current number of characters in the input buffer |
static int bytes = 0; // current number of characters in the input buffer |
52 |
static int ptr = 0; // current position in the input buffer |
static int ptr = 0; // current position in the input buffer |
53 |
|
static String sLastError; // error message of the last error occured |
54 |
|
|
55 |
// external reference to the function which actually reads from the socket |
// external reference to the function which actually reads from the socket |
56 |
extern int GetLSCPCommand( void *buf, int max_size); |
extern int GetLSCPCommand( void *buf, int max_size); |
57 |
|
|
58 |
|
// external reference to the function in lscpserver.cpp which returns the |
59 |
|
// current session (only works because the server runs as singleton) |
60 |
|
extern yyparse_param_t* GetCurrentYaccSession(); |
61 |
|
|
62 |
// returns true if supplied characters has an ASCII code of 128 or higher |
// returns true if supplied characters has an ASCII code of 128 or higher |
63 |
inline bool isExtendedAsciiChar(const char c) { |
inline bool isExtendedAsciiChar(const char c) { |
64 |
return (c < 0); |
return (c < 0); |
79 |
} |
} |
80 |
// this is the next character in the input stream |
// this is the next character in the input stream |
81 |
const char c = buf[ptr++]; |
const char c = buf[ptr++]; |
82 |
|
// increment current reading position (just for verbosity / messages) |
83 |
|
GetCurrentYaccSession()->iColumn++; |
84 |
// we have to handle "normal" and "extended" ASCII characters separately |
// we have to handle "normal" and "extended" ASCII characters separately |
85 |
if (isExtendedAsciiChar(c)) { |
if (isExtendedAsciiChar(c)) { |
86 |
// workaround for characters with ASCII code higher than 127 |
// workaround for characters with ASCII code higher than 127 |
132 |
|
|
133 |
// reentrant parser |
// reentrant parser |
134 |
%pure_parser |
%pure_parser |
135 |
|
|
136 |
|
// tell bison to spit out verbose syntax error messages |
137 |
%error-verbose |
%error-verbose |
138 |
|
|
139 |
%token <Char> EXT_ASCII_CHAR |
%token <Char> EXT_ASCII_CHAR |
140 |
|
|
141 |
%type <Char> char digit digit_oct digit_hex escape_seq escape_seq_octal escape_seq_hex |
%type <Char> char char_base digit digit_oct digit_hex escape_seq escape_seq_octal escape_seq_hex |
142 |
%type <Dotnum> dotnum volume_value boolean |
%type <Dotnum> dotnum volume_value boolean |
143 |
%type <Number> number sampler_channel instrument_index fx_send_id audio_channel_index device_index midi_input_channel_index midi_input_port_index midi_map midi_bank midi_prog midi_ctrl |
%type <Number> number sampler_channel instrument_index fx_send_id audio_channel_index device_index midi_input_channel_index midi_input_port_index midi_map midi_bank midi_prog midi_ctrl |
144 |
%type <String> string string_escaped text text_escaped stringval stringval_escaped digits param_val_list param_val query_val pathname dirname filename map_name entry_name fx_send_name engine_name command add_instruction create_instruction destroy_instruction get_instruction list_instruction load_instruction set_chan_instruction load_instr_args load_engine_args audio_output_type_name midi_input_type_name remove_instruction unmap_instruction set_instruction subscribe_event unsubscribe_event map_instruction reset_instruction clear_instruction find_instruction move_instruction copy_instruction scan_mode edit_instruction |
%type <String> string string_escaped text text_escaped stringval digits param_val_list param_val query_val pathname dirname filename map_name entry_name fx_send_name engine_name command add_instruction create_instruction destroy_instruction get_instruction list_instruction load_instruction set_chan_instruction load_instr_args load_engine_args audio_output_type_name midi_input_type_name remove_instruction unmap_instruction set_instruction subscribe_event unsubscribe_event map_instruction reset_instruction clear_instruction find_instruction move_instruction copy_instruction scan_mode edit_instruction |
145 |
%type <FillResponse> buffer_size_type |
%type <FillResponse> buffer_size_type |
146 |
%type <KeyValList> key_val_list query_val_list |
%type <KeyValList> key_val_list query_val_list |
147 |
%type <LoadMode> instr_load_mode |
%type <LoadMode> instr_load_mode |
148 |
%type <Bool> modal_arg |
%type <Bool> modal_arg |
149 |
|
%type <UniversalPath> path path_base |
150 |
|
|
151 |
%start input |
%start input |
152 |
|
|
167 |
| line CR LF |
| line CR LF |
168 |
; |
; |
169 |
|
|
170 |
line : /* epsilon (empty line ignored) */ { return LSCP_DONE; } |
line : /* epsilon (empty line ignored) */ { INCREMENT_LINE; return LSCP_DONE; } |
171 |
| comment { return LSCP_DONE; } |
| comment { INCREMENT_LINE; return LSCP_DONE; } |
172 |
| command { LSCPSERVER->AnswerClient($1); return LSCP_DONE; } |
| command { INCREMENT_LINE; LSCPSERVER->AnswerClient($1); return LSCP_DONE; } |
173 |
| error { LSCPSERVER->AnswerClient("ERR:0:Unknown command.\r\n"); RESTART; return LSCP_SYNTAX_ERROR; } |
| error { INCREMENT_LINE; LSCPSERVER->AnswerClient("ERR:0:" + sLastError + "\r\n"); RESTART; return LSCP_SYNTAX_ERROR; } |
174 |
; |
; |
175 |
|
|
176 |
comment : '#' |
comment : '#' |
327 |
set_instruction : AUDIO_OUTPUT_DEVICE_PARAMETER SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetAudioOutputDeviceParameter($3, $5, $7); } |
set_instruction : AUDIO_OUTPUT_DEVICE_PARAMETER SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetAudioOutputDeviceParameter($3, $5, $7); } |
328 |
| AUDIO_OUTPUT_CHANNEL_PARAMETER SP number SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetAudioOutputChannelParameter($3, $5, $7, $9); } |
| AUDIO_OUTPUT_CHANNEL_PARAMETER SP number SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetAudioOutputChannelParameter($3, $5, $7, $9); } |
329 |
| MIDI_INPUT_DEVICE_PARAMETER SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetMidiInputDeviceParameter($3, $5, $7); } |
| MIDI_INPUT_DEVICE_PARAMETER SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetMidiInputDeviceParameter($3, $5, $7); } |
330 |
|
| MIDI_INPUT_PORT_PARAMETER SP number SP number SP string '=' NONE { $$ = LSCPSERVER->SetMidiInputPortParameter($3, $5, $7, ""); } |
331 |
| MIDI_INPUT_PORT_PARAMETER SP number SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetMidiInputPortParameter($3, $5, $7, $9); } |
| MIDI_INPUT_PORT_PARAMETER SP number SP number SP string '=' param_val_list { $$ = LSCPSERVER->SetMidiInputPortParameter($3, $5, $7, $9); } |
332 |
| CHANNEL SP set_chan_instruction { $$ = $3; } |
| CHANNEL SP set_chan_instruction { $$ = $3; } |
333 |
| MIDI_INSTRUMENT_MAP SP NAME SP midi_map SP map_name { $$ = LSCPSERVER->SetMidiInstrumentMapName($5, $7); } |
| MIDI_INSTRUMENT_MAP SP NAME SP midi_map SP map_name { $$ = LSCPSERVER->SetMidiInstrumentMapName($5, $7); } |
493 |
dirname : stringval |
dirname : stringval |
494 |
; |
; |
495 |
|
|
496 |
filename : stringval_escaped |
filename : path { $$ = $1.toPosix(); /*TODO: assuming POSIX*/ } |
497 |
; |
; |
498 |
|
|
499 |
map_name : stringval |
map_name : stringval |
537 |
| string { $$ = -1; } |
| string { $$ = -1; } |
538 |
; |
; |
539 |
|
|
|
string : char { std::string s; s = $1; $$ = s; } |
|
|
| '\\' { $$ = "\\"; } // we have to place this rule here, because we currently distinguish between escaped and unescaped strings |
|
|
| string char { $$ = $1 + $2; } |
|
|
; |
|
|
|
|
|
string_escaped : char { std::string s; s = $1; $$ = s; } |
|
|
| escape_seq { std::string s; s = $1; $$ = s; } |
|
|
| string_escaped char { $$ = $1 + $2; } |
|
|
| string_escaped escape_seq { $$ = $1 + $2; } |
|
|
; |
|
|
|
|
540 |
dotnum : digits '.' digits { $$ = atof(String($1 + "." + $3).c_str()); } |
dotnum : digits '.' digits { $$ = atof(String($1 + "." + $3).c_str()); } |
541 |
| '+' digits '.' digits { String s = "+"; s += $2; s += "."; s += $4; $$ = atof(s.c_str()); } |
| '+' digits '.' digits { String s = "+"; s += $2; s += "."; s += $4; $$ = atof(s.c_str()); } |
542 |
| '-' digits '.' digits { $$ = atof(String("-" + $2 + "." + $4).c_str()); } |
| '-' digits '.' digits { $$ = atof(String("-" + $2 + "." + $4).c_str()); } |
603 |
| '7' digits { $$ = atoi(String(String("7") + $2).c_str()); } |
| '7' digits { $$ = atoi(String(String("7") + $2).c_str()); } |
604 |
| '8' digits { $$ = atoi(String(String("8") + $2).c_str()); } |
| '8' digits { $$ = atoi(String(String("8") + $2).c_str()); } |
605 |
| '9' digits { $$ = atoi(String(String("9") + $2).c_str()); } |
| '9' digits { $$ = atoi(String(String("9") + $2).c_str()); } |
606 |
|
; |
607 |
|
|
608 |
char : 'A' { $$ = 'A'; } | 'B' { $$ = 'B'; } | 'C' { $$ = 'C'; } | 'D' { $$ = 'D'; } | 'E' { $$ = 'E'; } | 'F' { $$ = 'F'; } | 'G' { $$ = 'G'; } | 'H' { $$ = 'H'; } | 'I' { $$ = 'I'; } | 'J' { $$ = 'J'; } | 'K' { $$ = 'K'; } | 'L' { $$ = 'L'; } | 'M' { $$ = 'M'; } | 'N' { $$ = 'N'; } | 'O' { $$ = 'O'; } | 'P' { $$ = 'P'; } | 'Q' { $$ = 'Q'; } | 'R' { $$ = 'R'; } | 'S' { $$ = 'S'; } | 'T' { $$ = 'T'; } | 'U' { $$ = 'U'; } | 'V' { $$ = 'V'; } | 'W' { $$ = 'W'; } | 'X' { $$ = 'X'; } | 'Y' { $$ = 'Y'; } | 'Z' { $$ = 'Z'; } |
path : '\'' path_base '\'' { $$ = $2; } |
609 |
| 'a' { $$ = 'a'; } | 'b' { $$ = 'b'; } | 'c' { $$ = 'c'; } | 'd' { $$ = 'd'; } | 'e' { $$ = 'e'; } | 'f' { $$ = 'f'; } | 'g' { $$ = 'g'; } | 'h' { $$ = 'h'; } | 'i' { $$ = 'i'; } | 'j' { $$ = 'j'; } | 'k' { $$ = 'k'; } | 'l' { $$ = 'l'; } | 'm' { $$ = 'm'; } | 'n' { $$ = 'n'; } | 'o' { $$ = 'o'; } | 'p' { $$ = 'p'; } | 'q' { $$ = 'q'; } | 'r' { $$ = 'r'; } | 's' { $$ = 's'; } | 't' { $$ = 't'; } | 'u' { $$ = 'u'; } | 'v' { $$ = 'v'; } | 'w' { $$ = 'w'; } | 'x' { $$ = 'x'; } | 'y' { $$ = 'y'; } | 'z' { $$ = 'z'; } |
| '\"' path_base '\"' { $$ = $2; } |
610 |
| '0' { $$ = '0'; } | '1' { $$ = '1'; } | '2' { $$ = '2'; } | '3' { $$ = '3'; } | '4' { $$ = '4'; } | '5' { $$ = '5'; } | '6' { $$ = '6'; } | '7' { $$ = '7'; } | '8' { $$ = '8'; } | '9' { $$ = '9'; } |
; |
611 |
| '!' { $$ = '!'; } | '#' { $$ = '#'; } | '$' { $$ = '$'; } | '%' { $$ = '%'; } | '&' { $$ = '&'; } | '(' { $$ = '('; } | ')' { $$ = ')'; } | '*' { $$ = '*'; } | '+' { $$ = '+'; } | '-' { $$ = '-'; } | '.' { $$ = '.'; } | ',' { $$ = ','; } | '/' { $$ = '/'; } |
|
612 |
| ':' { $$ = ':'; } | ';' { $$ = ';'; } | '<' { $$ = '<'; } | '=' { $$ = '='; } | '>' { $$ = '>'; } | '?' { $$ = '?'; } | '@' { $$ = '@'; } |
path_base : '/' { $$ = Path(); } |
613 |
| '[' { $$ = '['; } | ']' { $$ = ']'; } | '^' { $$ = '^'; } | '_' { $$ = '_'; } |
| path_base '/' { $$ = $1; } |
614 |
| '{' { $$ = '{'; } | '|' { $$ = '|'; } | '}' { $$ = '}'; } | '~' { $$ = '~'; } |
| path_base text_escaped { Path p; p.appendNode($2); $$ = $1 + p; } |
615 |
| EXT_ASCII_CHAR |
; |
616 |
|
|
617 |
|
stringval : '\'' text '\'' { $$ = $2; } |
618 |
|
| '\"' text '\"' { $$ = $2; } |
619 |
; |
; |
620 |
|
|
621 |
text : SP { $$ = " "; } |
text : SP { $$ = " "; } |
630 |
| text_escaped string_escaped { $$ = $1 + $2; } |
| text_escaped string_escaped { $$ = $1 + $2; } |
631 |
; |
; |
632 |
|
|
633 |
stringval : '\'' text '\'' { $$ = $2; } |
string : char { std::string s; s = $1; $$ = s; } |
634 |
| '\"' text '\"' { $$ = $2; } |
| string char { $$ = $1 + $2; } |
635 |
; |
; |
636 |
|
|
637 |
stringval_escaped : '\'' text_escaped '\'' { $$ = $2; } |
string_escaped : char_base { std::string s; s = $1; $$ = s; } |
638 |
| '\"' text_escaped '\"' { $$ = $2; } |
| escape_seq { std::string s; s = $1; $$ = s; } |
639 |
|
| string_escaped char_base { $$ = $1 + $2; } |
640 |
|
| string_escaped escape_seq { $$ = $1 + $2; } |
641 |
|
; |
642 |
|
|
643 |
|
// full ASCII character set except space, quotation mark and apostrophe |
644 |
|
char : char_base |
645 |
|
| '\\' { $$ = '\\'; } |
646 |
|
| '/' { $$ = '/'; } |
647 |
|
; |
648 |
|
|
649 |
|
// ASCII characters except space, quotation mark, apostrophe, backslash and slash |
650 |
|
char_base : 'A' { $$ = 'A'; } | 'B' { $$ = 'B'; } | 'C' { $$ = 'C'; } | 'D' { $$ = 'D'; } | 'E' { $$ = 'E'; } | 'F' { $$ = 'F'; } | 'G' { $$ = 'G'; } | 'H' { $$ = 'H'; } | 'I' { $$ = 'I'; } | 'J' { $$ = 'J'; } | 'K' { $$ = 'K'; } | 'L' { $$ = 'L'; } | 'M' { $$ = 'M'; } | 'N' { $$ = 'N'; } | 'O' { $$ = 'O'; } | 'P' { $$ = 'P'; } | 'Q' { $$ = 'Q'; } | 'R' { $$ = 'R'; } | 'S' { $$ = 'S'; } | 'T' { $$ = 'T'; } | 'U' { $$ = 'U'; } | 'V' { $$ = 'V'; } | 'W' { $$ = 'W'; } | 'X' { $$ = 'X'; } | 'Y' { $$ = 'Y'; } | 'Z' { $$ = 'Z'; } |
651 |
|
| 'a' { $$ = 'a'; } | 'b' { $$ = 'b'; } | 'c' { $$ = 'c'; } | 'd' { $$ = 'd'; } | 'e' { $$ = 'e'; } | 'f' { $$ = 'f'; } | 'g' { $$ = 'g'; } | 'h' { $$ = 'h'; } | 'i' { $$ = 'i'; } | 'j' { $$ = 'j'; } | 'k' { $$ = 'k'; } | 'l' { $$ = 'l'; } | 'm' { $$ = 'm'; } | 'n' { $$ = 'n'; } | 'o' { $$ = 'o'; } | 'p' { $$ = 'p'; } | 'q' { $$ = 'q'; } | 'r' { $$ = 'r'; } | 's' { $$ = 's'; } | 't' { $$ = 't'; } | 'u' { $$ = 'u'; } | 'v' { $$ = 'v'; } | 'w' { $$ = 'w'; } | 'x' { $$ = 'x'; } | 'y' { $$ = 'y'; } | 'z' { $$ = 'z'; } |
652 |
|
| '0' { $$ = '0'; } | '1' { $$ = '1'; } | '2' { $$ = '2'; } | '3' { $$ = '3'; } | '4' { $$ = '4'; } | '5' { $$ = '5'; } | '6' { $$ = '6'; } | '7' { $$ = '7'; } | '8' { $$ = '8'; } | '9' { $$ = '9'; } |
653 |
|
| '!' { $$ = '!'; } | '#' { $$ = '#'; } | '$' { $$ = '$'; } | '%' { $$ = '%'; } | '&' { $$ = '&'; } | '(' { $$ = '('; } | ')' { $$ = ')'; } | '*' { $$ = '*'; } | '+' { $$ = '+'; } | '-' { $$ = '-'; } | '.' { $$ = '.'; } | ',' { $$ = ','; } |
654 |
|
| ':' { $$ = ':'; } | ';' { $$ = ';'; } | '<' { $$ = '<'; } | '=' { $$ = '='; } | '>' { $$ = '>'; } | '?' { $$ = '?'; } | '@' { $$ = '@'; } |
655 |
|
| '[' { $$ = '['; } | ']' { $$ = ']'; } | '^' { $$ = '^'; } | '_' { $$ = '_'; } |
656 |
|
| '{' { $$ = '{'; } | '|' { $$ = '|'; } | '}' { $$ = '}'; } | '~' { $$ = '~'; } |
657 |
|
| EXT_ASCII_CHAR |
658 |
; |
; |
659 |
|
|
660 |
escape_seq : '\\' '\'' { $$ = '\''; } |
escape_seq : '\\' '\'' { $$ = '\''; } |
661 |
| '\\' '\"' { $$ = '\"'; } |
| '\\' '\"' { $$ = '\"'; } |
662 |
| '\\' '\\' { $$ = '\\'; } |
| '\\' '\\' { $$ = '\\'; } |
663 |
|
| '\\' '/' { $$ = '/'; } |
664 |
| '\\' 'n' { $$ = '\n'; } |
| '\\' 'n' { $$ = '\n'; } |
665 |
| '\\' 'r' { $$ = '\r'; } |
| '\\' 'r' { $$ = '\r'; } |
666 |
| '\\' 'f' { $$ = '\f'; } |
| '\\' 'f' { $$ = '\f'; } |
1002 |
* Will be called when an error occured (usually syntax error). |
* Will be called when an error occured (usually syntax error). |
1003 |
*/ |
*/ |
1004 |
void yyerror(const char* s) { |
void yyerror(const char* s) { |
1005 |
dmsg(2,("LSCPParser: %s\n", s)); |
yyparse_param_t* param = GetCurrentYaccSession(); |
1006 |
|
String msg = s |
1007 |
|
+ (" (line:" + ToString(param->iLine+1)) |
1008 |
|
+ ( ",column:" + ToString(param->iColumn)) |
1009 |
|
+ ")"; |
1010 |
|
dmsg(2,("LSCPParser: %s\n", msg.c_str())); |
1011 |
|
sLastError = msg; |
1012 |
} |
} |
1013 |
|
|
1014 |
/** |
/** |
1017 |
void restart(yyparse_param_t* pparam, int& yychar) { |
void restart(yyparse_param_t* pparam, int& yychar) { |
1018 |
bytes = 0; |
bytes = 0; |
1019 |
ptr = 0; |
ptr = 0; |
1020 |
|
sLastError = ""; |
1021 |
} |
} |