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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 "debug.hh"
#include "parseconstruct.hh"
#include "dimen.hh"
#ifndef NDEBUG
#define YYDEBUG 1
#endif
%}
%union {
Real real;
Command *command;
Identifier *id;
Voice *voice;
Voice_element *el;
Staff *staff;
String *string;
Score *score;
const char *consstr;
Paperdef *paper;
int i;
}
%token VOICE STAFF SCORE TITLE RHYTHMSTAFF BAR NOTENAME OUTPUT
%token CM IN PT MM PAPER WIDTH METER
%type <consstr> unit
%token <id> IDENTIFIER
%token <string> PITCH DURATION RESTNAME
%token <real> REAL
%token <string> STRING
%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 <i> int
%%
mudela: /* empty */
| score_block {
add_score($1);
}
;
score_block: SCORE '{' score_body '}' { $$ = $3; }
;
score_body: { $$ = new Score; }
| score_body staff_block { $$->add($2); }
| score_body score_command { $$->add($2); }
| score_body paper_block { delete $$->paper;
$$->paper = $2;
}
;
paper_block:
PAPER '{' paper_body '}' { $$ = $3; }
;
paper_body:
/* empty */ { $$ = new Paperdef; }
| paper_body WIDTH dim { $$->width = $3;}
| paper_body OUTPUT STRING { $$->outfile = *$3;
delete $3;
}
;
dim:
REAL unit { $$ = convert_dimen($1,$2); }
;
unit: CM { $$ = "cm"; }
|IN { $$ = "in"; }
|MM { $$ = "mm"; }
|PT { $$ = "pt"; }
;
staff_block:
rhythmstaff_block
;
rhythmstaff_block:
RHYTHMSTAFF '{' rhythmstaff_body '}' { $$ = $3; }
;
rhythmstaff_body:
/* empty */ { $$ = get_new_rhythmstaff(); }
| rhythmstaff_body voice_block { $$->add_voice($2); }
;
voice_block:
VOICE '{' voice_body '}' { $$ = $3; }
;
voice_body:
REAL voice_elts_dollar { $$ = $2; $$->start = $1; }
| voice_elts_dollar { $$ = $1; }
;
voice_elts_dollar:
'$' voice_elts '$' { $$ = $2; }
;
voice_elts:
/* empty */ {
$$ = new Voice;
}
| voice_elts voice_elt {
$$->add($2);
}
;
voice_elt:
PITCH DURATION { $$ = get_note_element(*$1, *$2);
}
| RESTNAME DURATION { $$ = get_rest_element(*$1, *$2);
}
;
score_command:
BAR REAL {
$$ = get_bar_command($2);
}
| METER REAL int int {
$$ = get_meter_command($2, $3, $4);
}
;
int:
REAL {
$$ = 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();
}
|
