ragel/xmlcodegen.cpp

   1 /*
   2  *  Copyright 2005-2007 Adrian Thurston <thurston@cs.queensu.ca>
   3  */
   4
   5 /*  This file is part of Ragel.
   6  *
   7  *  Ragel is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  Ragel is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with Ragel; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22
  23 #include "ragel.h"
  24 #include "xmlcodegen.h"
  25 #include "parsedata.h"
  26 #include "fsmgraph.h"
  27 #include <string.h>
  28
  29 using namespace std;
  30
  31 XMLCodeGen::XMLCodeGen( char *fsmName, ParseData *pd, FsmAp *fsm,
  32                 std::ostream &out )
  33 :
  34         fsmName(fsmName),
  35         pd(pd),
  36         fsm(fsm),
  37         out(out),
  38         nextActionTableId(0)
  39 {
  40 }
  41
  42
  43 void XMLCodeGen::writeActionList()
  44 {
  45         /* Determine which actions to write. */
  46         int nextActionId = 0;
  47         for ( ActionList::Iter act = pd->actionList; act.lte(); act++ ) {
  48                 if ( act->numRefs() > 0 || act->numCondRefs > 0 )
  49                         act->actionId = nextActionId++;
  50         }
  51
  52         /* Write the list. */
  53         out << "    <action_list length=\"" << nextActionId << "\">\n";
  54         for ( ActionList::Iter act = pd->actionList; act.lte(); act++ ) {
  55                 if ( act->actionId >= 0 )
  56                         writeAction( act );
  57         }
  58         out << "    </action_list>\n";
  59 }
  60
  61 void XMLCodeGen::writeActionTableList()
  62 {
  63         /* Must first order the action tables based on their id. */
  64         int numTables = nextActionTableId;
  65         RedActionTable **tables = new RedActionTable*[numTables];
  66         for ( ActionTableMap::Iter at = actionTableMap; at.lte(); at++ )
  67                 tables[at->id] = at;
  68
  69         out << "    <action_table_list length=\"" << numTables << "\">\n";
  70         for ( int t = 0; t < numTables; t++ ) {
  71                 out << "      <action_table id=\"" << t << "\" length=\"" <<
  72                                 tables[t]->key.length() << "\">";
  73                 for ( ActionTable::Iter atel = tables[t]->key; atel.lte(); atel++ ) {
  74                         out << atel->value->actionId;
  75                         if ( ! atel.last() )
  76                                 out << " ";
  77                 }
  78                 out << "</action_table>\n";
  79         }
  80         out << "    </action_table_list>\n";
  81
  82         delete[] tables;
  83 }
  84
  85 void XMLCodeGen::reduceActionTables()
  86 {
  87         /* Reduce the actions tables to a set. */
  88         for ( StateList::Iter st = fsm->stateList; st.lte(); st++ ) {
  89                 RedActionTable *actionTable = 0;
  90
  91                 /* Reduce To State Actions. */
  92                 if ( st->toStateActionTable.length() > 0 ) {
  93                         if ( actionTableMap.insert( st->toStateActionTable, &actionTable ) )
  94                                 actionTable->id = nextActionTableId++;
  95                 }
  96
  97                 /* Reduce From State Actions. */
  98                 if ( st->fromStateActionTable.length() > 0 ) {
  99                         if ( actionTableMap.insert( st->fromStateActionTable, &actionTable ) )
 100                                 actionTable->id = nextActionTableId++;
 101                 }
 102
 103                 /* Reduce EOF actions. */
 104                 if ( st->eofActionTable.length() > 0 ) {
 105                         if ( actionTableMap.insert( st->eofActionTable, &actionTable ) )
 106                                 actionTable->id = nextActionTableId++;
 107                 }
 108
 109                 /* Loop the transitions and reduce their actions. */
 110                 for ( TransList::Iter trans = st->outList; trans.lte(); trans++ ) {
 111                         if ( trans->actionTable.length() > 0 ) {
 112                                 if ( actionTableMap.insert( trans->actionTable, &actionTable ) )
 113                                         actionTable->id = nextActionTableId++;
 114                         }
 115                 }
 116         }
 117 }
 118
 119 void XMLCodeGen::appendTrans( TransListVect &outList, Key lowKey,
 120                 Key highKey, TransAp *trans )
 121 {
 122         if ( trans->toState != 0 || trans->actionTable.length() > 0 )
 123                 outList.append( TransEl( lowKey, highKey, trans ) );
 124 }
 125
 126 void XMLCodeGen::writeKey( Key key )
 127 {
 128         if ( keyOps->isSigned )
 129                 out << key.getVal();
 130         else
 131                 out << (unsigned long) key.getVal();
 132 }
 133
 134 void XMLCodeGen::writeTrans( Key lowKey, Key highKey, TransAp *trans )
 135 {
 136         /* First reduce the action. */
 137         RedActionTable *actionTable = 0;
 138         if ( trans->actionTable.length() > 0 )
 139                 actionTable = actionTableMap.find( trans->actionTable );
 140
 141         /* Write the transition. */
 142         out << "        <t>";
 143         writeKey( lowKey );
 144         out << " ";
 145         writeKey( highKey );
 146
 147         if ( trans->toState != 0 )
 148                 out << " " << trans->toState->alg.stateNum;
 149         else
 150                 out << " x";
 151
 152         if ( actionTable != 0 )
 153                 out << " " << actionTable->id;
 154         else
 155                 out << " x";
 156         out << "</t>\n";
 157 }
 158
 159 void XMLCodeGen::writeTransList( StateAp *state )
 160 {
 161         TransListVect outList;
 162
 163         /* If there is only are no ranges the task is simple. */
 164         if ( state->outList.length() > 0 ) {
 165                 /* Loop each source range. */
 166                 for ( TransList::Iter trans = state->outList; trans.lte(); trans++ ) {
 167                         /* Reduce the transition. If it reduced to anything then add it. */
 168                         appendTrans( outList, trans->lowKey, trans->highKey, trans );
 169                 }
 170         }
 171
 172         out << "      <trans_list length=\"" << outList.length() << "\">\n";
 173         for ( TransListVect::Iter tvi = outList; tvi.lte(); tvi++ )
 174                 writeTrans( tvi->lowKey, tvi->highKey, tvi->value );
 175         out << "      </trans_list>\n";
 176 }
 177
 178 void XMLCodeGen::writeText( InlineItem *item )
 179 {
 180         if ( item->prev == 0 || item->prev->type != InlineItem::Text )
 181                 out << "<text>";
 182         xmlEscapeHost( out, item->data, strlen(item->data) );
 183         if ( item->next == 0 || item->next->type != InlineItem::Text )
 184                 out << "</text>";
 185 }
 186
 187 bool isLmItem( InlineItem *context )
 188 {
 189         return context != 0 && (
 190                 context->type == InlineItem::LmOnLast ||
 191                 context->type == InlineItem::LmOnNext ||
 192                 context->type == InlineItem::LmOnLagBehind ||
 193                 context->type == InlineItem::LmSwitch );
 194 }
 195
 196 void XMLCodeGen::writeCtrlFlow( InlineItem *item, InlineItem *context )
 197 {
 198         switch ( item->type ) {
 199         case InlineItem::Goto:
 200                 writeGoto( item, context );
 201                 break;
 202         case InlineItem::GotoExpr:
 203                 writeGotoExpr( item, context );
 204                 break;
 205         case InlineItem::Call:
 206                 writeCall( item, context );
 207                 break;
 208         case InlineItem::CallExpr:
 209                 writeCallExpr( item, context );
 210                 break;
 211         case InlineItem::Next:
 212                 writeNext( item, context );
 213                 break;
 214         case InlineItem::NextExpr:
 215                 writeNextExpr( item, context );
 216                 break;
 217         case InlineItem::Break:
 218                 out << "<break></break>";
 219                 break;
 220         case InlineItem::Ret:
 221                 out << "<ret></ret>";
 222                 break;
 223         default: break;
 224         }
 225 }
 226
 227 void XMLCodeGen::writePtrMod( InlineItem *item, InlineItem * )
 228 {
 229         switch ( item->type ) {
 230         case InlineItem::Hold:
 231                 out << "<hold></hold>";
 232                 break;
 233         case InlineItem::Exec:
 234                 writeActionExec( item );
 235                 break;
 236         default: break;
 237         }
 238 }
 239
 240
 241 void XMLCodeGen::writeGoto( InlineItem *item, InlineItem *context )
 242 {
 243         if ( pd->generatingSectionSubset )
 244                 out << "<goto>-1</goto>";
 245         else {
 246                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 247                 out << "<goto>" << targ->value->alg.stateNum << "</goto>";
 248         }
 249 }
 250
 251 void XMLCodeGen::writeCall( InlineItem *item, InlineItem *context )
 252 {
 253         if ( pd->generatingSectionSubset )
 254                 out << "<call>-1</call>";
 255         else {
 256                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 257                 out << "<call>" << targ->value->alg.stateNum << "</call>";
 258         }
 259 }
 260
 261 void XMLCodeGen::writeNext( InlineItem *item, InlineItem *context )
 262 {
 263         if ( pd->generatingSectionSubset )
 264                 out << "<next>-1</next>";
 265         else {
 266                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 267                 out << "<next>" << targ->value->alg.stateNum << "</next>";
 268         }
 269 }
 270
 271 void XMLCodeGen::writeGotoExpr( InlineItem *item, InlineItem *context )
 272 {
 273         out << "<goto_expr>";
 274         writeInlineList( item->children, 0 );
 275         out << "</goto_expr>";
 276 }
 277
 278 void XMLCodeGen::writeCallExpr( InlineItem *item, InlineItem *context )
 279 {
 280         out << "<call_expr>";
 281         writeInlineList( item->children, 0 );
 282         out << "</call_expr>";
 283 }
 284
 285 void XMLCodeGen::writeNextExpr( InlineItem *item, InlineItem *context )
 286 {
 287         out << "<next_expr>";
 288         writeInlineList( item->children, 0 );
 289         out << "</next_expr>";
 290 }
 291
 292 void XMLCodeGen::writeEntry( InlineItem * item )
 293 {
 294         if ( pd->generatingSectionSubset )
 295                 out << "<entry>-1</entry>";
 296         else {
 297                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 298                 out << "<entry>" << targ->value->alg.stateNum << "</entry>";
 299         }
 300 }
 301
 302 void XMLCodeGen::writeActionExec( InlineItem *item )
 303 {
 304         out << "<exec>";
 305         writeInlineList( item->children, 0 );
 306         out << "</exec>";
 307 }
 308
 309 void XMLCodeGen::writeActionExecTE( InlineItem *item )
 310 {
 311         out << "<execte>";
 312         writeInlineList( item->children, 0 );
 313         out << "</execte>";
 314 }
 315
 316 void XMLCodeGen::writeLmOnLast( InlineItem *item )
 317 {
 318         out << "<set_tokend>1</set_tokend>";
 319
 320         if ( item->longestMatchPart->action != 0 ) {
 321                 out << "<sub_action>";
 322                 writeInlineList( item->longestMatchPart->action->inlineList, item );
 323                 out << "</sub_action>";
 324         }
 325 }
 326
 327 void XMLCodeGen::writeLmOnNext( InlineItem *item )
 328 {
 329         out << "<set_tokend>0</set_tokend>";
 330         out << "<hold></hold>";
 331
 332         if ( item->longestMatchPart->action != 0 ) {
 333                 out << "<sub_action>";
 334                 writeInlineList( item->longestMatchPart->action->inlineList, item );
 335                 out << "</sub_action>";
 336         }
 337 }
 338
 339 void XMLCodeGen::writeLmOnLagBehind( InlineItem *item )
 340 {
 341         out << "<exec><get_tokend></get_tokend></exec>";
 342
 343         if ( item->longestMatchPart->action != 0 ) {
 344                 out << "<sub_action>";
 345                 writeInlineList( item->longestMatchPart->action->inlineList, item );
 346                 out << "</sub_action>";
 347         }
 348 }
 349
 350 void XMLCodeGen::writeLmSwitch( InlineItem *item )
 351 {
 352
 353         LongestMatch *longestMatch = item->longestMatch;
 354         out << "<lm_switch>\n";
 355
 356         if ( longestMatch->lmSwitchHandlesError ) {
 357                 /* If the switch handles error then we should have also forced the
 358                  * error state. */
 359                 assert( fsm->errState != 0 );
 360
 361                 out << "      <sub_action id=\"0\">";
 362                 out << "<goto>" << fsm->errState->alg.stateNum << "</goto>";
 363                 out << "</sub_action>\n";
 364         }
 365
 366         for ( LmPartList::Iter lmi = *longestMatch->longestMatchList; lmi.lte(); lmi++ ) {
 367                 if ( lmi->inLmSelect && lmi->action != 0 ) {
 368                         /* Open the action. Write it with the context that sets up _p
 369                          * when doing control flow changes from inside the machine. */
 370                         out << "      <sub_action id=\"" << lmi->longestMatchId << "\">";
 371                         out << "<exec><get_tokend></get_tokend></exec>";
 372                         writeInlineList( lmi->action->inlineList, item );
 373                         out << "</sub_action>\n";
 374                 }
 375         }
 376
 377         out << "    </lm_switch>";
 378 }
 379
 380 void XMLCodeGen::writeInlineList( InlineList *inlineList, InlineItem *context )
 381 {
 382         for ( InlineList::Iter item = *inlineList; item.lte(); item++ ) {
 383                 switch ( item->type ) {
 384                 case InlineItem::Text:
 385                         writeText( item );
 386                         break;
 387                 case InlineItem::Goto: case InlineItem::GotoExpr:
 388                 case InlineItem::Call: case InlineItem::CallExpr:
 389                 case InlineItem::Next: case InlineItem::NextExpr:
 390                 case InlineItem::Break: case InlineItem::Ret:
 391                         writeCtrlFlow( item, context );
 392                         break;
 393                 case InlineItem::PChar:
 394                         out << "<pchar></pchar>";
 395                         break;
 396                 case InlineItem::Char:
 397                         out << "<char></char>";
 398                         break;
 399                 case InlineItem::Curs:
 400                         out << "<curs></curs>";
 401                         break;
 402                 case InlineItem::Targs:
 403                         out << "<targs></targs>";
 404                         break;
 405                 case InlineItem::Entry:
 406                         writeEntry( item );
 407                         break;
 408
 409                 case InlineItem::Hold:
 410                 case InlineItem::Exec:
 411                         writePtrMod( item, context );
 412                         break;
 413
 414                 case InlineItem::LmSetActId:
 415                         out << "<set_act>" <<
 416                                         item->longestMatchPart->longestMatchId <<
 417                                         "</set_act>";
 418                         break;
 419                 case InlineItem::LmSetTokEnd:
 420                         out << "<set_tokend>1</set_tokend>";
 421                         break;
 422
 423                 case InlineItem::LmOnLast:
 424                         writeLmOnLast( item );
 425                         break;
 426                 case InlineItem::LmOnNext:
 427                         writeLmOnNext( item );
 428                         break;
 429                 case InlineItem::LmOnLagBehind:
 430                         writeLmOnLagBehind( item );
 431                         break;
 432                 case InlineItem::LmSwitch:
 433                         writeLmSwitch( item );
 434                         break;
 435
 436                 case InlineItem::LmInitAct:
 437                         out << "<init_act></init_act>";
 438                         break;
 439                 case InlineItem::LmInitTokStart:
 440                         out << "<init_tokstart></init_tokstart>";
 441                         break;
 442                 case InlineItem::LmSetTokStart:
 443                         out << "<set_tokstart></set_tokstart>";
 444                         break;
 445                 }
 446         }
 447 }
 448
 449 void XMLCodeGen::writeAction( Action *action )
 450 {
 451         out << "      <action id=\"" << action->actionId << "\"";
 452         if ( action->name != 0 )
 453                 out << " name=\"" << action->name << "\"";
 454         out << " line=\"" << action->loc.line << "\" col=\"" << action->loc.col << "\">";
 455         writeInlineList( action->inlineList, 0 );
 456         out << "</action>\n";
 457 }
 458
 459 void xmlEscapeHost( std::ostream &out, char *data, long len )
 460 {
 461         char *end = data + len;
 462         while ( data != end ) {
 463                 switch ( *data ) {
 464                 case '<': out << "&lt;"; break;
 465                 case '>': out << "&gt;"; break;
 466                 case '&': out << "&amp;"; break;
 467                 default: out << *data; break;
 468                 }
 469                 data += 1;
 470         }
 471 }
 472
 473 void XMLCodeGen::writeStateActions( StateAp *state )
 474 {
 475         RedActionTable *toStateActions = 0;
 476         if ( state->toStateActionTable.length() > 0 )
 477                 toStateActions = actionTableMap.find( state->toStateActionTable );
 478
 479         RedActionTable *fromStateActions = 0;
 480         if ( state->fromStateActionTable.length() > 0 )
 481                 fromStateActions = actionTableMap.find( state->fromStateActionTable );
 482
 483         RedActionTable *eofActions = 0;
 484         if ( state->eofActionTable.length() > 0 )
 485                 eofActions = actionTableMap.find( state->eofActionTable );
 486
 487         if ( toStateActions != 0 || fromStateActions != 0 || eofActions != 0 ) {
 488                 out << "      <state_actions>";
 489                 if ( toStateActions != 0 )
 490                         out << toStateActions->id;
 491                 else
 492                         out << "x";
 493
 494                 if ( fromStateActions != 0 )
 495                         out << " " << fromStateActions->id;
 496                 else
 497                         out << " x";
 498
 499                 if ( eofActions != 0 )
 500                         out << " " << eofActions->id;
 501                 else
 502                         out << " x"; out << "</state_actions>\n";
 503         }
 504 }
 505
 506 void XMLCodeGen::writeStateConditions( StateAp *state )
 507 {
 508         if ( state->stateCondList.length() > 0 ) {
 509                 out << "      <cond_list length=\"" << state->stateCondList.length() << "\">\n";
 510                 for ( StateCondList::Iter scdi = state->stateCondList; scdi.lte(); scdi++ ) {
 511                         out << "        <c>";
 512                         writeKey( scdi->lowKey );
 513                         out << " ";
 514                         writeKey( scdi->highKey );
 515                         out << " ";
 516                         out << scdi->condSpace->condSpaceId;
 517                         out << "</c>\n";
 518                 }
 519                 out << "      </cond_list>\n";
 520         }
 521 }
 522
 523 void XMLCodeGen::writeStateList()
 524 {
 525         /* Write the list of states. */
 526         out << "    <state_list length=\"" << fsm->stateList.length() << "\">\n";
 527         for ( StateList::Iter st = fsm->stateList; st.lte(); st++ ) {
 528                 out << "      <state id=\"" << st->alg.stateNum << "\"";
 529                 if ( st->isFinState() )
 530                         out << " final=\"t\"";
 531                 out << ">\n";
 532
 533                 writeStateActions( st );
 534                 writeStateConditions( st );
 535                 writeTransList( st );
 536
 537                 out << "      </state>\n";
 538
 539                 if ( !st.last() )
 540                         out << "\n";
 541         }
 542         out << "    </state_list>\n";
 543 }
 544
 545 bool XMLCodeGen::writeNameInst( NameInst *nameInst )
 546 {
 547         bool written = false;
 548         if ( nameInst->parent != 0 )
 549                 written = writeNameInst( nameInst->parent );
 550
 551         if ( nameInst->name != 0 ) {
 552                 if ( written )
 553                         out << '_';
 554                 out << nameInst->name;
 555                 written = true;
 556         }
 557
 558         return written;
 559 }
 560
 561 void XMLCodeGen::writeEntryPoints()
 562 {
 563         /* List of entry points other than start state. */
 564         if ( fsm->entryPoints.length() > 0 || pd->lmRequiresErrorState ) {
 565                 out << "    <entry_points";
 566                 if ( pd->lmRequiresErrorState )
 567                         out << " error=\"t\"";
 568                 out << ">\n";
 569                 for ( EntryMap::Iter en = fsm->entryPoints; en.lte(); en++ ) {
 570                         /* Get the name instantiation from nameIndex. */
 571                         NameInst *nameInst = pd->nameIndex[en->key];
 572                         StateAp *state = en->value;
 573                         out << "      <entry name=\"";
 574                         writeNameInst( nameInst );
 575                         out << "\">" << state->alg.stateNum << "</entry>\n";
 576                 }
 577                 out << "    </entry_points>\n";
 578         }
 579 }
 580
 581 void XMLCodeGen::writeMachine()
 582 {
 583         /* Open the machine. */
 584         out << "  <machine>\n";
 585
 586         /* Action tables. */
 587         reduceActionTables();
 588
 589         writeActionList();
 590         writeActionTableList();
 591         writeConditions();
 592
 593         /* Start state. */
 594         out << "    <start_state>" << fsm->startState->alg.stateNum <<
 595                         "</start_state>\n";
 596
 597         /* Error state. */
 598         if ( fsm->errState != 0 ) {
 599                 out << "    <error_state>" << fsm->errState->alg.stateNum <<
 600                         "</error_state>\n";
 601         }
 602
 603         writeEntryPoints();
 604         writeStateList();
 605
 606         out << "  </machine>\n";
 607 }
 608
 609
 610 void XMLCodeGen::writeConditions()
 611 {
 612         if ( condData->condSpaceMap.length() > 0 ) {
 613                 long nextCondSpaceId = 0;
 614                 for ( CondSpaceMap::Iter cs = condData->condSpaceMap; cs.lte(); cs++ )
 615                         cs->condSpaceId = nextCondSpaceId++;
 616
 617                 out << "    <cond_space_list length=\"" << condData->condSpaceMap.length() << "\">\n";
 618                 for ( CondSpaceMap::Iter cs = condData->condSpaceMap; cs.lte(); cs++ ) {
 619                         out << "      <cond_space id=\"" << cs->condSpaceId <<
 620                                 "\" length=\"" << cs->condSet.length() << "\">";
 621                         writeKey( cs->baseKey );
 622                         for ( CondSet::Iter csi = cs->condSet; csi.lte(); csi++ )
 623                                 out << " " << (*csi)->actionId;
 624                         out << "</cond_space>\n";
 625                 }
 626                 out << "    </cond_space_list>\n";
 627         }
 628 }
 629
 630 void XMLCodeGen::writeExports()
 631 {
 632         if ( pd->exportList.length() > 0 ) {
 633                 out << "  <exports>\n";
 634                 for ( ExportList::Iter exp = pd->exportList; exp.lte(); exp++ ) {
 635                         out << "    <ex name=\"" << exp->name << "\">";
 636                         writeKey( exp->key );
 637                         out << "</ex>\n";
 638                 }
 639                 out << "  </exports>\n";
 640         }
 641 }
 642
 643 void XMLCodeGen::writeXML()
 644 {
 645         /* Open the definition. */
 646         out << "<ragel_def name=\"" << fsmName << "\">\n";
 647
 648         /* Alphabet type. */
 649         out << "  <alphtype>" << keyOps->alphType->internalName << "</alphtype>\n";
 650
 651         /* Getkey expression. */
 652         if ( pd->getKeyExpr != 0 ) {
 653                 out << "  <getkey>";
 654                 writeInlineList( pd->getKeyExpr, 0 );
 655                 out << "</getkey>\n";
 656         }
 657
 658         /* Access expression. */
 659         if ( pd->accessExpr != 0 ) {
 660                 out << "  <access>";
 661                 writeInlineList( pd->accessExpr, 0 );
 662                 out << "</access>\n";
 663         }
 664
 665         /*
 666          * Variable expressions.
 667          */
 668
 669         if ( pd->pExpr != 0 ) {
 670                 out << "  <p_expr>";
 671                 writeInlineList( pd->pExpr, 0 );
 672                 out << "</p_expr>\n";
 673         }
 674
 675         if ( pd->peExpr != 0 ) {
 676                 out << "  <pe_expr>";
 677                 writeInlineList( pd->peExpr, 0 );
 678                 out << "</pe_expr>\n";
 679         }
 680
 681         if ( pd->csExpr != 0 ) {
 682                 out << "  <cs_expr>";
 683                 writeInlineList( pd->csExpr, 0 );
 684                 out << "</cs_expr>\n";
 685         }
 686
 687         if ( pd->topExpr != 0 ) {
 688                 out << "  <top_expr>";
 689                 writeInlineList( pd->topExpr, 0 );
 690                 out << "</top_expr>\n";
 691         }
 692
 693         if ( pd->stackExpr != 0 ) {
 694                 out << "  <stack_expr>";
 695                 writeInlineList( pd->stackExpr, 0 );
 696                 out << "</stack_expr>\n";
 697         }
 698
 699         if ( pd->actExpr != 0 ) {
 700                 out << "  <act_expr>";
 701                 writeInlineList( pd->actExpr, 0 );
 702                 out << "</act_expr>\n";
 703         }
 704
 705         if ( pd->tokstartExpr != 0 ) {
 706                 out << "  <tokstart_expr>";
 707                 writeInlineList( pd->tokstartExpr, 0 );
 708                 out << "</tokstart_expr>\n";
 709         }
 710
 711         if ( pd->tokendExpr != 0 ) {
 712                 out << "  <tokend_expr>";
 713                 writeInlineList( pd->tokendExpr, 0 );
 714                 out << "</tokend_expr>\n";
 715         }
 716
 717         writeExports();
 718
 719         writeMachine();
 720
 721         out <<
 722                 "</ragel_def>\n";
 723 }
 724