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|
%{ // -*-Fundamental-*-
#include <iostream.h>
#include "lexer.hh"
#include "paper.hh"
#include "staff.hh"
#include "score.hh"
#include "main.hh"
#include "keyword.hh"
#include "scommands.hh"
#include "debug.hh"
#include "parseconstruct.hh"
#include "dimen.hh"
#include "identifier.hh"
#ifndef NDEBUG
#define YYDEBUG 1
#endif
svec<Request*> pre_reqs, post_reqs;
%}
%union {
Real real;
Command *command;
Identifier *id;
Score_commands *scommands;
Voice *voice;
Voice_element *el;
Staff *staff;
String *string;
Score *score;
const char *consstr;
Paperdef *paper;
Request* request;
int i;
char c;
}
%token VOICE STAFF SCORE TITLE RHYTHMSTAFF BAR NOTENAME OUTPUT
%token CM IN PT MM PAPER WIDTH METER UNITSPACE SKIP COMMANDS
%token MELODICSTAFF GEOMETRIC START_T DURATIONCOMMAND OCTAVECOMMAND
%token <id> IDENTIFIER
%token <string> NEWIDENTIFIER
%token <string> PITCH DURATION RESTNAME
%token <real> REAL
%token <string> STRING
%token <i> OPEN_REQUEST_PARENS CLOSE_REQUEST_PARENS
%type <consstr> unit
%type <id> declaration
%type <paper> paper_block paper_body
%type <real> dim
%type <voice> voice_block voice_body voice_elts voice_elts_dollar
%type <el> voice_elt
%type <command> score_command
%type <score> score_block score_body
%type <staff> staff_block rhythmstaff_block rhythmstaff_body
%type <staff> melodicstaff_block melodicstaff_body staffdecl
%type <i> int
%type <scommands> score_commands_block score_commands_body
%type <request> post_request pre_request
%%
mudela: /* empty */
| mudela score_block {
add_score($2);
}
| mudela add_declaration { }
;
add_declaration: declaration {
add_identifier($1);
}
;
declaration:
NEWIDENTIFIER '=' staff_block {
$$ = new Staff_id(*$1, $3);
delete $1; // this sux
}
| NEWIDENTIFIER '=' voice_block {
$$ = new Voice_id(*$1, $3);
delete $1;
}
;
score_block: SCORE '{' score_body '}' { $$ = $3; }
;
score_body: { $$ = new Score; }
| score_body staff_block { $$->add($2); }
| score_body score_commands_block { $$->set($2); }
| score_body paper_block { $$->set($2); }
;
score_commands_block:
COMMANDS '{' score_commands_body '}' { $$ =$3;}
;
score_commands_body: { $$ = new Score_commands; }
| score_commands_body score_command {
$$->parser_add($2);
}
;
paper_block:
PAPER '{' paper_body '}' { $$ = $3; }
;
paper_body:
/* empty */ { $$ = new Paperdef; }
| paper_body WIDTH dim { $$->linewidth = $3;}
| paper_body OUTPUT STRING { $$->outfile = *$3;
delete $3;
}
| paper_body UNITSPACE dim { $$->whole_width = $3; }
| paper_body GEOMETRIC REAL { $$->geometric_ = $3; }
;
dim:
REAL unit { $$ = convert_dimen($1,$2); }
;
unit: CM { $$ = "cm"; }
|IN { $$ = "in"; }
|MM { $$ = "mm"; }
|PT { $$ = "pt"; }
;
/*
staff
*/
staff_block:
staffdecl
| rhythmstaff_block
| melodicstaff_block
;
staffdecl: STAFF '{' IDENTIFIER '}' { $$ = $3->staff()->clone(); }
;
rhythmstaff_block:
RHYTHMSTAFF '{' rhythmstaff_body '}' { $$ = $3; }
;
rhythmstaff_body:
/* empty */ { $$ = get_new_rhythmstaff(); }
| rhythmstaff_body voice_block { $$->add_voice($2); }
;
melodicstaff_block:
MELODICSTAFF '{' melodicstaff_body '}' { $$ = $3; }
;
melodicstaff_body:
/* empty */ { $$ = get_new_melodicstaff(); }
| melodicstaff_body voice_block { $$->add_voice($2); }
;
/*
voice
*/
voice_block:
VOICE '{' voice_body '}' { $$ = $3; }
;
voice_body:
IDENTIFIER { $$ = new Voice(*$1->voice()); }
| voice_elts_dollar { $$ = $1; }
| voice_body START_T REAL { $$->start = $3; }
;
voice_elts_dollar:
'$' voice_elts '$' { $$ = $2; }
;
voice_elts:
/* empty */ {
$$ = new Voice;
}
| voice_elts pre_requests voice_elt post_requests {
add_requests($3, pre_reqs);
add_requests($3, post_reqs);
$$->add($3);
}
| voice_elts voice_command { }
;
post_requests:
{
assert(post_reqs.empty());
}
| post_requests post_request {
post_reqs.add($2);
}
;
post_request:
CLOSE_REQUEST_PARENS { $$ = get_request($1); }
;
pre_requests:
| pre_requests pre_request {
pre_reqs.add($2);
}
;
pre_request:
OPEN_REQUEST_PARENS { $$ = get_request($1); }
;
/*
*/
voice_command:
DURATIONCOMMAND DURATION {
set_default_duration(*$2);
delete $2;
}
| OCTAVECOMMAND PITCH {
set_default_pitch(*$2);
delete $2;
}
;
voice_elt:
PITCH DURATION {
$$ = get_note_element(*$1, *$2);
delete $1;
delete $2;
}
| RESTNAME DURATION {
$$ = get_rest_element(*$1, *$2);
delete $1;
delete $2;
}
| PITCH { $$ = get_note_element(*$1, "");
delete $1;
}
| RESTNAME { $$ = get_rest_element(*$1, "");
delete $1;
}
;
score_command:
SKIP int ':' REAL {
$$ = get_skip_command($2, $4);
}
| METER int int {
$$ = get_meterchange_command($2, $3);
}
/* | PARTIALMEASURE REAL {
$$ = get_partial_command($2);
}*/
;
int:
REAL {
$$ = int($1);
if (ABS($1-Real(int($$))) > 1e-8)
yyerror("expecting integer number");
}
;
%%
void
parse_file(String s)
{
*mlog << "Parsing ... ";
#ifdef YYDEBUG
yydebug = !monitor.silence("Parser");
#endif
new_input(s);
yyparse();
delete_identifiers();
kill_lexer();
*mlog << "\n";
}
|
