]> git.donarmstrong.com Git - lilypond.git/blobdiff - src/parser.y
release: 0.0.34
[lilypond.git] / src / parser.y
index 23c779ed7da6a8ffb372a6658586be1a41f7d14c..d065f19cae89b1209754f347b42bceaef4c91dba 100644 (file)
 %{ // -*-Fundamental-*-
 #include <iostream.h>
 
+#include "lookup.hh"
+#include "misc.hh"
 #include "lexer.hh"
-#include "paper.hh"
-#include "inputstaff.hh"
+#include "paperdef.hh"
+#include "mididef.hh"
 #include "inputscore.hh"
-#include "inputmusic.hh"
 #include "main.hh"
 #include "keyword.hh"
-#include "inputcommand.hh"
 #include "debug.hh"
 #include "parseconstruct.hh"
 #include "dimen.hh"
 #include "identifier.hh"
-
+#include "commandrequest.hh"
+#include "musicalrequest.hh"
 
 #ifndef NDEBUG
 #define YYDEBUG 1
 #endif
 
-svec<Request*> pre_reqs, post_reqs;
+Array<Request*> pre_reqs, post_reqs;
+Array<const char *> define_spots;
+Paperdef*default_paper();
+char const* defined_ch_c_l;
+char const* req_defined_ch_c_l;
+int fatal_error_i = 0;
+
 %}
 
 
-%union {    
+%union {
+    Request * request;
     Real real;
-    Input_command *command;
     Identifier *id;    
-    Voice *voice;    
+   Voice *voice;    
     Voice_element *el; 
     String *string;
     const char *consstr;
     Paperdef *paper;
-    Request* request;
-    Horizontal_music *horizontal;
-    Vertical_music *vertical;
+    Midi_def* midi;
+    Input_music *music;
     Music_general_chord *chord;
     Music_voice *mvoice; 
     int i;
     char c;
-
-    svec<String> * strvec;
-    svec<Input_command*> *commandvec;
-    Voice_list *voicelist;
-       Input_staff *staff;    
-       Input_score *score;
+    int ii[10];
+       Moment *moment;
+
+    Array<String> * strvec;
+    Array<int> *intvec;
+    Array<Melodic_req*> *melreqvec;
+    Input_staff *staff;    
+    Input_score *score;
+    Symtables * symtables;
+    Symtable * symtable;
+    Symbol * symbol;
+    Lookup*lookup;
+    Interval *interval;
+    Box *box;
+    Notename_tab *notename_tab;
+    Script_def * script;
+    Text_def * textdef;
 }
 
-%token VOICE STAFF SCORE TITLE  BAR NOTENAME OUTPUT
-%token CM IN PT MM PAPER WIDTH METER UNITSPACE SKIP COMMANDS
+%token VOICE STAFF SCORE TITLE  BAR  OUTPUT MULTIVOICE
+%token CM_T IN_T PT_T MM_T PAPER WIDTH METER UNITSPACE SKIP COMMANDS COMMAND
 %token GEOMETRIC START_T DURATIONCOMMAND OCTAVECOMMAND
-%token KEY CLEF VIOLIN BASS MULTI TABLE CHORD VOICES
-%token PARTIAL RHYTHMIC MELODIC MUSIC
+%token KEY CLEF  TABLE  VOICES STEM
+%token PARTIAL MUSIC GROUPING CADENZA
+%token END SYMBOLTABLES TEXID TABLE NOTENAMES SCRIPT TEXTSTYLE PLET
+%token  GOTO
+%token MIDI TEMPO
 
 %token <id>  IDENTIFIER
-%token <string> NEWIDENTIFIER 
-%token <string> PITCH DURATION RESTNAME
-%token <real> REAL
+%token <string> PITCHMOD DURATION RESTNAME
+%token <ii> NOTENAME 
+%token <real> REAL 
 %token <string> STRING
-%token <i> OPEN_REQUEST_PARENS CLOSE_REQUEST_PARENS
-
 
-%type <consstr> unit
-
-%type <id> declaration 
+%token <i> DOTS INT
+%type <real> unit
+%type <melreqvec> pitch_list 
+%type <c> open_request_parens close_request_parens close_plet_parens
+%type <id> declaration
+%type <string> declarable_identifier
 %type <paper> paper_block paper_body
-%type <real> dim
+%type <midi> midi_block midi_body
+%type <real> dim real
+%type <ii>  default_duration explicit_duration notemode_duration mudela_duration
+%type <ii> notename
+%type <moment> duration_length
+%type <el> voice_elt full_element lyrics_elt command_elt
 
-%type <el> voice_elt full_element
-%type <command> score_command staff_command skipcommand
 %type <score> score_block score_body
 %type <staff> staff_block staff_init staff_body
 %type <i> int
-%type <commandvec> score_commands_block score_commands_body
-%type <commandvec> staff_commands_block staff_commands_body
-%type <request> post_request pre_request
-%type <strvec> pitch_list
-%type <string> clef_id
-%type <vertical> vertical_music  
+%type <intvec> intastint_list
+%type <request> post_request pre_request command_req
+%type <string> pitchmod
+%type <music> music 
 %type <chord> music_chord music_chord_body
-%type <horizontal>  horizontal_music
-%type <mvoice>  music_voice_body music_voice
+
+%type <mvoice>  music_voice_body music_voice 
+
+%type <interval> dinterval
+%type <box> box
+%type <symtable> symtable symtable_body
+%type <lookup> symtables symtables_body
+%type <symbol> symboldef
+%type <notename_tab> notename_tab notename_tab_body
+%type <i> script_dir
+%type <script> script_definition script_body mudela_script
+%type <request> script_req textscript_req
+%type <textdef> mudela_text
 
 
 %%
 
 mudela:        /* empty */
-       | mudela score_block { 
-               add_score($2);
+       | mudela score_block {
+               add_score($2);          
        }
        | mudela add_declaration { }
+       | mudela mudela_command  {}
        ;
+
+mudela_command:
+       notename_tab                    { lexer->set($1); }
+       ;
+
 /*
        DECLARATIONS
 */
 add_declaration: declaration   {
-               add_identifier($1);
+               lexer->add_identifier($1);
        }
        ;
 
+declarable_identifier:
+       STRING { $$ = $1; }
+       | IDENTIFIER { $$ = new String($1->name); }
+       ;
+
 declaration:
-       NEWIDENTIFIER '=' staff_block  {
+       declarable_identifier '=' staff_block  {
                $$ = new Staff_id(*$1, $3);
-               delete $1; // this sux
+               delete $1; 
        }
-       | NEWIDENTIFIER '=' music_voice {
+       | declarable_identifier '=' music_voice {
                $$ = new M_voice_id(*$1, $3);
                delete $1;
        }
-       | NEWIDENTIFIER '=' music_chord  {
+       | declarable_identifier '=' script_definition {
+               $$ = new Script_id(*$1, $3);
+               delete $1;
+       }
+       | declarable_identifier '=' music_chord  {
                $$ = new M_chord_id(*$1, $3);
                delete $1;
        }
-       ;
+       | declarable_identifier '=' symtables {
+               $$ = new Lookup_id(*$1, $3);
+               delete $1;
+       }
+       | declarable_identifier '=' notename_tab {
+               $$ = new Notetab_id(*$1, $3);
+               delete $1;
+       }
+       | declarable_identifier '=' real        {
+               $$ = new Real_id(*$1, new Real($3));
+               delete $1;
+       }
+       | declarable_identifier error '}' {
 
+       }
+       ;
 
-/*
-       SCORE
-*/
-score_block: SCORE '{' score_body '}'  { $$ = $3; }
+notename_tab:
+       NOTENAMES '{' notename_tab_body '}'     { $$ = $3; }
        ;
 
-score_body:            { $$ = new Input_score; }
-       | score_body staff_block        { $$->add($2); }
-       | score_body score_commands_block       {
-               $$->add(*$2);
+notename_tab_body:                             {
+               $$ = new Notename_tab;
+       }
+       | IDENTIFIER                            {
+               $$ = $1->notename_tab(true);
+       }
+       | notename_tab_body STRING int int                      {
+               $$->set($3, $4, *$2);
                delete $2;
        }
-       | score_body paper_block                { $$->set($2);  }
        ;
+
 /*
-       COMMANDS
+       SCORE
 */
-score_commands_block:
-       COMMANDS '{' score_commands_body '}' { $$ =$3;}
-       ;
+score_block:
+       SCORE { define_spots.push(lexer->here_ch_c_l()); }
+       /*cont*/ '{' score_body '}'     {
+               $$ = $4;
+               $$->defined_ch_c_l_ = define_spots.pop();
+               if (!$$->paper_p_ && ! $$->midi_p_)
+                       $$->paper_p_ = default_paper();
 
-score_commands_body:                   { $$ = new svec<Input_command*>; }
-       | score_commands_body score_command             {
-               $$->add($2);
+               /* handle error levels. */
+               $$->errorlevel_i_ = lexer->errorlevel_i_;
+               lexer->errorlevel_i_ = 0;
        }
        ;
 
-staff_commands_block: COMMANDS '{' staff_commands_body '}'     {
-               $$ = $3; }
-       ;
-
-staff_commands_body:
-       /* empty */                     { $$ = new svec<Input_command*>; }
-       | staff_commands_body staff_command     {
-               $$->add($2);
+score_body:            { 
+               $$ = new Input_score; 
        }
-       ;
-
-staff_command:
-       skipcommand
-       | KEY  pitch_list       {/*UGH*/
-               $$ = get_key_interpret_command(*$2);
-               delete $2;
-       }
-       | CLEF clef_id                  {
-               $$ = get_clef_interpret_command(*$2);
-               delete $2;
+       | score_body staff_block        { $$->add($2); }
+       | score_body COMMANDS '{' music_voice_body '}'          {
+               $$->set($4);
        }
-       ;
+       | score_body paper_block                { $$->set($2);  }
+       | score_body midi_block         { $$->set($2);  }
+       | score_body error {
 
-skipcommand:
-       SKIP int ':' REAL               {
-               $$ = get_skip_command($2, $4);
        }
+       ;
 
-score_command:
-       skipcommand
-       | METER  int int                {
-               $$ = get_meterchange_command($2, $3);
-       }
-       | PARTIAL REAL                  {
-               $$ = get_partial_command($2);
+intastint_list:
+       /* */   { $$ =new Array<int>; }
+       | intastint_list int '*' int    {
+               $$->push($2); $$->push($4);
        }
        ;
-       
+
 
 /*
        PAPER
 */
 paper_block:
-       PAPER '{' paper_body '}'        { $$ = $3; }
+       PAPER
+
+       '{' paper_body '}'      { $$ = $3; }
        ;
 
 paper_body:
-       /* empty */                     { $$ = new Paperdef; }
+       /* empty */                     {
+               $$ = default_paper();
+       }
        | paper_body WIDTH dim          { $$->linewidth = $3;}
        | paper_body OUTPUT STRING      { $$->outfile = *$3;
                delete $3;
        }
+       | paper_body symtables          { $$->set($2); }
        | paper_body UNITSPACE dim      { $$->whole_width = $3; }
        | paper_body GEOMETRIC REAL     { $$->geometric_ = $3; }
+       | paper_body error {
+
+       }
+       ;
+
+/*
+       MIDI
+*/
+midi_block:
+       MIDI
+
+       '{' midi_body '}'       { $$ = $3; }
+       ;
+
+midi_body: { 
+               $$ = new Midi_def; 
+       }
+       | midi_body OUTPUT STRING       { 
+               $$->outfile_str_ = *$3; 
+               delete $3; 
+       }
+       | midi_body TEMPO mudela_duration ':' int {
+               $$->set_tempo( wholes( $3[0], $3[1] ), $5 );
+       }
+       | midi_body error {
+
+       }
        ;
+
 /*
        STAFFs
 */
 staff_block:
-        STAFF '{' staff_body '}'       { $$ = $3; }
+       STAFF   { define_spots.push(lexer->here_ch_c_l()); }
+/*cont*/       '{' staff_body '}'      {
+               $$ = $4; 
+               $$-> defined_ch_c_l_ = define_spots.pop();
+       }
        ;
 
 
 
 staff_init:
-       IDENTIFIER              { $$ = new Input_staff(*$1->staff()); }
-       | RHYTHMIC              {
-               $$ = new Input_staff("rhythmic");
-       }
-       | MELODIC               {
-               $$ = new Input_staff( "melodic");
+       IDENTIFIER              { $$ = $1->staff(true); }
+       | STRING                {
+               $$ = new Input_staff(*$1);
+               delete $1;
        }
        ;
 
 staff_body:
        staff_init
-       | staff_body            horizontal_music        {
+       | staff_body COMMANDS '{' music_voice_body '}'  {
+               $$->set_score_wide($4);
+       }
+       | staff_body music      {
+               $2->set_default_group( "staff_music" + String($$->music_.size()));
                $$->add($2);
        }
-       | staff_body staff_commands_block {
-               $$->add(*$2);
-               delete $2;
+       | staff_body error {
        }
        ;
 
 /*
        MUSIC
 */
-horizontal_music:
+music:
        music_voice     { $$ = $1; }
+       | music_chord   { $$ = $1; }
        ;
 
-vertical_music:
-       music_chord     { $$ = $1; }
+music_voice:  MUSIC '{' music_voice_body '}'   { $$ = $3; }
        ;
 
-music_voice: MUSIC '{' music_voice_body '}'    { $$ = $3; }
-       ;
-
-music_voice_body:                      {
+music_voice_body:
+       /* */   {
                $$ = new Music_voice;
        }
        | music_voice_body IDENTIFIER {
-               $$->concatenate($2->mvoice());
+               $$->concatenate($2->mvoice(true));
        }
        | music_voice_body full_element {
-               $$->add($2);
+               $$->add_elt($2);
        }
        | music_voice_body voice_command {
        }
-       | music_voice_body vertical_music       {
+       | music_voice_body music        {
                $$->add($2);
        }
+       | music_voice_body error {
+       }
        ;
 
-
-music_chord: CHORD '{' music_chord_body '}'    { $$ = $3; }
+music_chord:  '{' music_chord_body '}' { $$ = $2; }
        ;
 
-music_chord_body:              {
-               $$ = new Music_general_chord;
+music_chord_body:
+       /* */   {
+               $$ = new Voice_group_chord;
        }
-       | music_voice_body IDENTIFIER {
-               $$->concatenate($2->mchord());
+       | MULTIVOICE {
+               $$ = new Multi_voice_chord;
+       }
+       | music_chord_body IDENTIFIER {
+               $$->concatenate($2->mchord(true));
+       }
+       | music_chord_body music {
+               $$->add($2);
+       }
+       | music_chord_body full_element {
+               $$ ->add_elt($2);
        }
-       | music_chord_body horizontal_music {
-               $$ -> add($2);
+       | music_chord_body error {
        }
        ;
 
 
-
 /*
        VOICE ELEMENTS
 */
@@ -282,6 +377,69 @@ full_element:      pre_requests voice_elt post_requests {
                add_requests($2, post_reqs);
                $$ = $2;
        }
+       | pre_requests lyrics_elt post_requests {
+               add_requests($2, pre_reqs);
+               add_requests($2, post_reqs);
+               $$ = $2;
+        }
+       | command_elt
+       ;
+
+command_elt:
+/* empty */    {
+               $$ = new Voice_element;
+               $$-> defined_ch_c_l_ = lexer->here_ch_c_l();
+       }
+/* cont: */
+       command_req     {
+               $2-> defined_ch_c_l_ = $$->defined_ch_c_l_;
+               $$->add($2);
+
+       }
+       ;
+
+command_req:
+        '|'                            { 
+               $$ = new Barcheck_req;
+       }
+       | BAR STRING                    {
+               $$ = new Bar_req(*$2);
+               delete $2;
+       }
+       | METER '{' int '*' int '}'     {
+               Meter_change_req *m = new Meter_change_req;
+               m->set($3,$5);
+               $$ = m;
+       }
+       | SKIP '{' duration_length '}' {
+               Skip_req * skip_p = new Skip_req;
+               skip_p->duration_ = *$3;
+               delete $3;
+               $$ = skip_p;
+       }
+       | CADENZA '{' int '}'   {
+               $$ = new Cadenza_req($3);
+       }
+       | PARTIAL '{' duration_length '}'       {
+               $$ = new Partial_measure_req(*$3);
+               delete $3;
+       }
+       | STEM '{' int '}'              {
+               $$ = get_stemdir_req($3);
+       }
+       | CLEF STRING {
+               $$ = new Clef_change_req(*$2);
+               delete $2;
+       }
+       | KEY '{' pitch_list '}'        {       
+               Key_change_req *key_p= new Key_change_req;
+               key_p->melodic_p_arr_ = *$3;
+               $$ = key_p;
+               delete $3;
+       }
+       | GROUPING '{' intastint_list '}' {
+               $$ = get_grouping_req(*$3); delete $3;
+       }
        ;
 
 post_requests:
@@ -289,104 +447,374 @@ post_requests:
                assert(post_reqs.empty());
        }
        | post_requests post_request {
-               post_reqs.add($2);
+               $2->defined_ch_c_l_ = lexer->here_ch_c_l();
+               post_reqs.push($2);
+       }
+       | post_requests close_plet_parens INT '/' INT { 
+               post_reqs.push( get_request($2) ); 
+               req_defined_ch_c_l = lexer->here_ch_c_l();
+               post_reqs.push( get_plet_request( $2, $3, $5 ) ); 
        }
        ;
 
 post_request:
-       CLOSE_REQUEST_PARENS            { $$ = get_request($1); }
+       close_request_parens    { 
+               $$ = get_request($1); 
+       }
+       | script_req
+       | textscript_req
+       ;
+
+close_plet_parens:
+       ']' {
+               req_defined_ch_c_l = lexer->here_ch_c_l();
+               $$ = ']';
+       }
+       ;
+
+close_request_parens:
+       '('     { 
+               $$='(';
+       }
+       | ']'   { 
+               $$ = ']';
+       }
+       ;
+  
+open_request_parens:
+       ')'     { 
+               $$=')';
+       }
+       | '['   {
+               $$='[';
+       }
+       ;
+
+script_definition:
+       SCRIPT '{' script_body '}'      { $$ = $3; }
        ;
 
-pre_requests:   
+script_body:
+       STRING int int int              {
+               $$ = new Script_def(*$1,$2, $3,$4);
+               delete $1;
+       }       
+       ;
+
+textscript_req:
+       script_dir mudela_text          { $$ = get_text_req($1,$2); }
+       ;
+
+mudela_text:
+       STRING                  { 
+               defined_ch_c_l = lexer->here_ch_c_l();
+               $$ = get_text(*$1); 
+               delete $1;
+       }
+       ;
+
+script_req:
+       script_dir mudela_script        { 
+               $$ = get_script_req($1, $2);
+       }
+       ;
+
+mudela_script:
+       IDENTIFIER              { $$ = $1->script(true); }
+       | script_definition             { $$ = $1; }
+       | '^'           { $$ = get_scriptdef('^'); }
+       | '+'           { $$ = get_scriptdef('+'); }
+       | '-'           { $$ = get_scriptdef('-'); }
+       | '|'           { $$ = get_scriptdef('|'); }
+       | 'o'           { $$ = get_scriptdef('o'); }
+       | '>'           { $$ = get_scriptdef('>'); }
+       | '.'           { $$ = get_scriptdef('.'); }
+       | DOTS          {
+               if ( $1 > 1 ) 
+                   warning( "too many staccato dots", lexer->here_ch_c_l() );
+               $$ = get_scriptdef('.');
+       }
+       | error {
+               $$ = get_scriptdef('.');
+               yyerrok;
+       }
+       ;
+
+script_dir:
+       '_'     { $$ = -1; }
+       |'^'    { $$ = 1; }
+       |'-'    { $$ = 0; }
+       ;
+
+pre_requests:
        | pre_requests pre_request {
-               pre_reqs.add($2);
+               pre_reqs.push($2);
+               $2->defined_ch_c_l_ = lexer->here_ch_c_l();
        }
        ;
 
 pre_request: 
-       OPEN_REQUEST_PARENS             { $$ = get_request($1); }
+       open_request_parens     { 
+               defined_ch_c_l = lexer->here_ch_c_l();
+               $$ = get_request($1); 
+       }
        ;
 
 voice_command:
-       DURATIONCOMMAND '{' DURATION '}'        {
-               set_default_duration(*$3);
+       PLET    '{' INT '/' INT '}'             {
+               set_plet($3,$5);
+       }
+       | DURATIONCOMMAND '{' STRING '}'        {
+               set_duration_mode(*$3);
                delete $3;
        }
-       | OCTAVECOMMAND '{' PITCH '}'   {
-               set_default_pitch(*$3);
+       | DURATIONCOMMAND '{' notemode_duration '}'     {
+               set_default_duration($3);
+       }
+       | OCTAVECOMMAND '{' pitchmod '}'        {
+               set_default_octave(*$3);
                delete $3;
        }
+       | TEXTSTYLE STRING      {
+               set_text_style(*$2);
+               delete $2;
+       }
        ;
 
-voice_elt:
-       PITCH DURATION                  {
-               $$ = get_note_element(*$1, *$2);
-               delete $1;
-               delete $2;
+duration_length:       
+       mudela_duration         {
+               $$ = new Moment(wholes($1[0], $1[1]));
        }
-       |  RESTNAME DURATION            {
-               $$ = get_rest_element(*$1, *$2);
-               delete $1;
-               delete $2;
+       |int '*' mudela_duration        {
+               $$ = new Moment(Rational($1) * wholes($3[0], $3[1]));
+       }
+       ;
+
+notemode_duration:
+       explicit_duration
+       | default_duration
+       ;
+
+mudela_duration:
+       int             {
+               $$[0] = $1;
+               $$[1] = 0;
+       }
+       | int DOTS      {
+               $$[0] = $1;
+               $$[1] = $2;
+       }
+       ;
+
+
+explicit_duration:
+       INT             {
+               last_duration($1);
+               $$[0] = $1;
+               $$[1] = 0;
+       }
+       | INT DOTS      {
+               last_duration($1);
+               $$[0] = $1;
+               $$[1] = $2;
+       }
+       | DOTS  {
+                get_default_duration($$);
+                $$[1] = $1;
        }
-       | PITCH                         { $$ = get_note_element(*$1, "");
+       ;
+
+default_duration:
+       {
+               get_default_duration($$);
+       }
+       ;
+
+pitchmod:              { 
+               defined_ch_c_l = lexer->here_ch_c_l();
+               $$ = new String; 
+       }
+       | PITCHMOD      { 
+               defined_ch_c_l = lexer->here_ch_c_l();
+               $$ = $1;
+       }
+       ;
+
+notename:
+       NOTENAME
+       ;
+
+voice_elt:
+       pitchmod notename notemode_duration                     {
+               $$ = get_note_element(*$1, $2, $3);
                delete $1;
        }
-       |  RESTNAME             { $$ = get_rest_element(*$1, "");
+       | RESTNAME notemode_duration            {
+               $$ = get_rest_element(*$1, $2);
                delete $1;
+
        }
        ;
+
+lyrics_elt:
+       mudela_text notemode_duration                   {
+               $$ = get_word_element($1, $2);
+       };
+
 /*
        UTILITIES
-*/
+ */
 pitch_list:                    {
-               $$ = new svec<String>;
+               $$ = new Array<Melodic_req*>;
        }
-       | pitch_list PITCH      {
-               $$->add(*$2);
-               delete $2;              
+       | pitch_list NOTENAME   {
+               Melodic_req *m_p = new Melodic_req;
+               m_p->notename_i_ = $2[0];
+               m_p->accidental_i_ = $2[1];
+               $$->push(m_p);
        }
+       ;
 
 int:
-       REAL                    {
+       real                    {
                $$ = int($1);
-               if (ABS($1-Real(int($$))) > 1e-8)
-                       yyerror("expecting integer number");
-               
+               if ( distance($1,Real(int($$)) ) > 1e-8)
+                       error( "integer expected", lexer->here_ch_c_l() );
        }
        ;
 
+real:
+       INT                     {
+               $$ = Real($1);
+       }
+       | REAL          {
+               $$ = $1;
+       }
+       | IDENTIFIER            {
+               $$ = * $1->real(0);             
+       }
+       ;
+       
+
 
 dim:
-       REAL unit       { $$ = convert_dimen($1,$2); }
+       real unit       { $$ = $1*$2; }
        ;
 
 
-unit:  CM              { $$ = "cm"; }
-       |IN             { $$ = "in"; }
-       |MM             { $$ = "mm"; }
-       |PT             { $$ = "pt"; }
+unit:  CM_T            { $$ = 1 CM; }
+       |IN_T           { $$ = 1 INCH; }
+       |MM_T           { $$ = 1 MM; }
+       |PT_T           { $$ = 1 PT; }
        ;
        
-clef_id:
-       VIOLIN          { $$ = new String("violin"); }
-       | BASS          { $$ = new String("bass"); }
+/*
+       symbol tables
+*/
+symtables:
+       SYMBOLTABLES '{' symtables_body '}'     { $$ = $3; }
+       ;
+
+symtables_body:
+                       {
+               $$ = new Lookup;
+       }
+       | IDENTIFIER            {
+               $$ = new Lookup(*$1->lookup(true));
+       }
+       | symtables_body TEXID STRING           {
+               $$->texsetting = *$3;
+               delete $3;
+       }
+       | symtables_body STRING '=' symtable            {
+               $$->add(*$2, $4);
+               delete $2;
+       }
+       ;
+
+symtable:
+       TABLE '{' symtable_body '}' { $$ = $3; }
+       ;
+
+symtable_body:
+                               { $$ = new Symtable; }
+       | symtable_body STRING  symboldef {
+               $$->add(*$2, *$3);
+               delete $2;
+               delete $3;
+       }
+       ;
+
+symboldef:
+       STRING  box             {
+               $$ = new Symbol(*$1, *$2);
+               delete $1;
+               delete $2;
+       }
+       | STRING {
+               Box b;
+               $$ = new Symbol(*$1, b);
+               delete $1;
+       }
        ;
+
+box:
+       dinterval dinterval     {
+               $$ = new Box(*$1, *$2);
+               delete $1;
+               delete $2;
+       }
+       ;
+
+dinterval: dim dim             {
+               $$ = new Interval($1, $2);      
+       }
+       ;
+
 %%
 
 void
-parse_file(String s)
+yyerror(const char *s)
+{
+       lexer->LexerError(s);
+
+       if ( fatal_error_i )
+               exit( fatal_error_i );
+}
+
+void
+parse_file(String init, String s)
 {
    *mlog << "Parsing ... ";
+   lexer = new My_flex_lexer;
+
+#ifdef YYDEBUG
+   yydebug = !monitor->silence("InitParser") && check_debug;
+   lexer->set_debug( !monitor->silence("InitLexer") && check_debug);
+#endif
+
+   lexer->new_input(init);
+   yyparse();
 
 #ifdef YYDEBUG
-   yydebug = !monitor.silence("Parser") & check_debug;
+   yydebug = !monitor->silence("Parser") && check_debug;
+   lexer->set_debug( !monitor->silence("Lexer") && check_debug);
 #endif
 
-   new_input(s);
+   lexer->new_input(s);
    yyparse();
-   delete_identifiers();
-   kill_lexer();
-   *mlog << "\n";
+   delete lexer;
+   lexer = 0;
+
+   if(!define_spots.empty())
+       warning("Braces don't match.",0);
 }
 
+Paperdef*
+default_paper()
+{
+    return new Paperdef(
+       lexer->lookup_identifier("default_table")->lookup(true));
+}
+
+