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         if ( isLmItem( context ) ) {
 199                 out << "<sub_action>";
 200                 out << "<exec><get_tokend></get_tokend></exec>";
 201         }
 202
 203         switch ( item->type ) {
 204         case InlineItem::Goto:
 205                 writeGoto( item, context );
 206                 break;
 207         case InlineItem::GotoExpr:
 208                 writeGotoExpr( item, context );
 209                 break;
 210         case InlineItem::Call:
 211                 writeCall( item, context );
 212                 break;
 213         case InlineItem::CallExpr:
 214                 writeCallExpr( item, context );
 215                 break;
 216         case InlineItem::Next:
 217                 writeNext( item, context );
 218                 break;
 219         case InlineItem::NextExpr:
 220                 writeNextExpr( item, context );
 221                 break;
 222         case InlineItem::Break:
 223                 out << "<break></break>";
 224                 break;
 225         case InlineItem::Ret:
 226                 out << "<ret></ret>";
 227                 break;
 228         default: break;
 229         }
 230
 231         if ( isLmItem( context ) )
 232                 out << "</sub_action>";
 233 }
 234
 235 void XMLCodeGen::writePtrMod( InlineItem *item, InlineItem *context )
 236 {
 237         if ( isLmItem( context ) ) {
 238                 switch ( item->type ) {
 239                 case InlineItem::Hold:
 240                         out << "<holdte></holdte>";
 241                         break;
 242                 case InlineItem::Exec:
 243                         writeActionExecTE( item );
 244                         break;
 245                 default: break;
 246                 }
 247         }
 248         else {
 249                 switch ( item->type ) {
 250                 case InlineItem::Hold:
 251                         out << "<hold></hold>";
 252                         break;
 253                 case InlineItem::Exec:
 254                         writeActionExec( item );
 255                         break;
 256                 default: break;
 257                 }
 258         }
 259 }
 260
 261
 262 void XMLCodeGen::writeGoto( InlineItem *item, InlineItem *context )
 263 {
 264         if ( pd->generatingSectionSubset )
 265                 out << "<goto>-1</goto>";
 266         else {
 267                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 268                 out << "<goto>" << targ->value->alg.stateNum << "</goto>";
 269         }
 270 }
 271
 272 void XMLCodeGen::writeCall( InlineItem *item, InlineItem *context )
 273 {
 274         if ( pd->generatingSectionSubset )
 275                 out << "<call>-1</call>";
 276         else {
 277                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 278                 out << "<call>" << targ->value->alg.stateNum << "</call>";
 279         }
 280 }
 281
 282 void XMLCodeGen::writeNext( InlineItem *item, InlineItem *context )
 283 {
 284         if ( pd->generatingSectionSubset )
 285                 out << "<next>-1</next>";
 286         else {
 287                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 288                 out << "<next>" << targ->value->alg.stateNum << "</next>";
 289         }
 290 }
 291
 292 void XMLCodeGen::writeGotoExpr( InlineItem *item, InlineItem *context )
 293 {
 294         out << "<goto_expr>";
 295         writeInlineList( item->children, 0 );
 296         out << "</goto_expr>";
 297 }
 298
 299 void XMLCodeGen::writeCallExpr( InlineItem *item, InlineItem *context )
 300 {
 301         out << "<call_expr>";
 302         writeInlineList( item->children, 0 );
 303         out << "</call_expr>";
 304 }
 305
 306 void XMLCodeGen::writeNextExpr( InlineItem *item, InlineItem *context )
 307 {
 308         out << "<next_expr>";
 309         writeInlineList( item->children, 0 );
 310         out << "</next_expr>";
 311 }
 312
 313 void XMLCodeGen::writeEntry( InlineItem * item )
 314 {
 315         if ( pd->generatingSectionSubset )
 316                 out << "<entry>-1</entry>";
 317         else {
 318                 EntryMapEl *targ = fsm->entryPoints.find( item->nameTarg->id );
 319                 out << "<entry>" << targ->value->alg.stateNum << "</entry>";
 320         }
 321 }
 322
 323 void XMLCodeGen::writeActionExec( InlineItem *item )
 324 {
 325         out << "<exec>";
 326         writeInlineList( item->children, 0 );
 327         out << "</exec>";
 328 }
 329
 330 void XMLCodeGen::writeActionExecTE( InlineItem *item )
 331 {
 332         out << "<execte>";
 333         writeInlineList( item->children, 0 );
 334         out << "</execte>";
 335 }
 336
 337 void XMLCodeGen::writeLmOnLast( InlineItem *item )
 338 {
 339         out << "<set_tokend>1</set_tokend>";
 340         if ( item->longestMatchPart->action != 0 ) {
 341                 out << "<sub_action>";
 342                 writeInlineList( item->longestMatchPart->action->inlineList, item );
 343                 out << "</sub_action>";
 344         }
 345         out << "<exec><get_tokend></get_tokend></exec>";
 346 }
 347
 348 void XMLCodeGen::writeLmOnNext( InlineItem *item )
 349 {
 350         out << "<set_tokend>0</set_tokend>";
 351         if ( item->longestMatchPart->action != 0 ) {
 352                 out << "<sub_action>";
 353                 writeInlineList( item->longestMatchPart->action->inlineList, item );
 354                 out << "</sub_action>";
 355         }
 356         out << "<exec><get_tokend></get_tokend></exec>";
 357 }
 358
 359 void XMLCodeGen::writeLmOnLagBehind( InlineItem *item )
 360 {
 361         if ( item->longestMatchPart->action != 0 ) {
 362                 out << "<sub_action>";
 363                 writeInlineList( item->longestMatchPart->action->inlineList, item );
 364                 out << "</sub_action>";
 365         }
 366         out << "<exec><get_tokend></get_tokend></exec>";
 367 }
 368
 369 void XMLCodeGen::writeLmSwitch( InlineItem *item )
 370 {
 371         LongestMatch *longestMatch = item->longestMatch;
 372
 373         out << "<lm_switch";
 374         if ( longestMatch->lmSwitchHandlesError )
 375                 out << " handles_error=\"t\"";
 376         out << ">\n";
 377
 378         for ( LmPartList::Iter lmi = *longestMatch->longestMatchList; lmi.lte(); lmi++ ) {
 379                 if ( lmi->inLmSelect && lmi->action != 0 ) {
 380                         /* Open the action. Write it with the context that sets up _p
 381                          * when doing control flow changes from inside the machine. */
 382                         out << "      <sub_action id=\"" << lmi->longestMatchId << "\">";
 383                         writeInlineList( lmi->action->inlineList, item );
 384                         out << "</sub_action>\n";
 385                 }
 386         }
 387
 388         out << "    </lm_switch><exec><get_tokend></get_tokend></exec>";
 389 }
 390
 391 void XMLCodeGen::writeInlineList( InlineList *inlineList, InlineItem *context )
 392 {
 393         for ( InlineList::Iter item = *inlineList; item.lte(); item++ ) {
 394                 switch ( item->type ) {
 395                 case InlineItem::Text:
 396                         writeText( item );
 397                         break;
 398                 case InlineItem::Goto: case InlineItem::GotoExpr:
 399                 case InlineItem::Call: case InlineItem::CallExpr:
 400                 case InlineItem::Next: case InlineItem::NextExpr:
 401                 case InlineItem::Break: case InlineItem::Ret:
 402                         writeCtrlFlow( item, context );
 403                         break;
 404                 case InlineItem::PChar:
 405                         out << "<pchar></pchar>";
 406                         break;
 407                 case InlineItem::Char:
 408                         out << "<char></char>";
 409                         break;
 410                 case InlineItem::Curs:
 411                         out << "<curs></curs>";
 412                         break;
 413                 case InlineItem::Targs:
 414                         out << "<targs></targs>";
 415                         break;
 416                 case InlineItem::Entry:
 417                         writeEntry( item );
 418                         break;
 419
 420                 case InlineItem::Hold:
 421                 case InlineItem::Exec:
 422                         writePtrMod( item, context );
 423                         break;
 424
 425                 case InlineItem::LmSetActId:
 426                         out << "<set_act>" <<
 427                                         item->longestMatchPart->longestMatchId <<
 428                                         "</set_act>";
 429                         break;
 430                 case InlineItem::LmSetTokEnd:
 431                         out << "<set_tokend>1</set_tokend>";
 432                         break;
 433
 434                 case InlineItem::LmOnLast:
 435                         writeLmOnLast( item );
 436                         break;
 437                 case InlineItem::LmOnNext:
 438                         writeLmOnNext( item );
 439                         break;
 440                 case InlineItem::LmOnLagBehind:
 441                         writeLmOnLagBehind( item );
 442                         break;
 443                 case InlineItem::LmSwitch:
 444                         writeLmSwitch( item );
 445                         break;
 446
 447                 case InlineItem::LmInitAct:
 448                         out << "<init_act></init_act>";
 449                         break;
 450                 case InlineItem::LmInitTokStart:
 451                         out << "<init_tokstart></init_tokstart>";
 452                         break;
 453                 case InlineItem::LmSetTokStart:
 454                         out << "<set_tokstart></set_tokstart>";
 455                         break;
 456                 }
 457         }
 458 }
 459
 460 void XMLCodeGen::writeAction( Action *action )
 461 {
 462         out << "      <action id=\"" << action->actionId << "\"";
 463         if ( action->name != 0 )
 464                 out << " name=\"" << action->name << "\"";
 465         out << " line=\"" << action->loc.line << "\" col=\"" << action->loc.col << "\">";
 466         writeInlineList( action->inlineList, 0 );
 467         out << "</action>\n";
 468 }
 469
 470 void xmlEscapeHost( std::ostream &out, char *data, long len )
 471 {
 472         char *end = data + len;
 473         while ( data != end ) {
 474                 switch ( *data ) {
 475                 case '<': out << "&lt;"; break;
 476                 case '>': out << "&gt;"; break;
 477                 case '&': out << "&amp;"; break;
 478                 default: out << *data; break;
 479                 }
 480                 data += 1;
 481         }
 482 }
 483
 484 void XMLCodeGen::writeStateActions( StateAp *state )
 485 {
 486         RedActionTable *toStateActions = 0;
 487         if ( state->toStateActionTable.length() > 0 )
 488                 toStateActions = actionTableMap.find( state->toStateActionTable );
 489
 490         RedActionTable *fromStateActions = 0;
 491         if ( state->fromStateActionTable.length() > 0 )
 492                 fromStateActions = actionTableMap.find( state->fromStateActionTable );
 493
 494         RedActionTable *eofActions = 0;
 495         if ( state->eofActionTable.length() > 0 )
 496                 eofActions = actionTableMap.find( state->eofActionTable );
 497
 498         if ( toStateActions != 0 || fromStateActions != 0 || eofActions != 0 ) {
 499                 out << "      <state_actions>";
 500                 if ( toStateActions != 0 )
 501                         out << toStateActions->id;
 502                 else
 503                         out << "x";
 504
 505                 if ( fromStateActions != 0 )
 506                         out << " " << fromStateActions->id;
 507                 else
 508                         out << " x";
 509
 510                 if ( eofActions != 0 )
 511                         out << " " << eofActions->id;
 512                 else
 513                         out << " x"; out << "</state_actions>\n";
 514         }
 515 }
 516
 517 void XMLCodeGen::writeStateConditions( StateAp *state )
 518 {
 519         if ( state->stateCondList.length() > 0 ) {
 520                 out << "      <cond_list length=\"" << state->stateCondList.length() << "\">\n";
 521                 for ( StateCondList::Iter scdi = state->stateCondList; scdi.lte(); scdi++ ) {
 522                         out << "        <c>";
 523                         writeKey( scdi->lowKey );
 524                         out << " ";
 525                         writeKey( scdi->highKey );
 526                         out << " ";
 527                         out << scdi->condSpace->condSpaceId;
 528                         out << "</c>\n";
 529                 }
 530                 out << "      </cond_list>\n";
 531         }
 532 }
 533
 534 void XMLCodeGen::writeStateList()
 535 {
 536         /* Write the list of states. */
 537         out << "    <state_list length=\"" << fsm->stateList.length() << "\">\n";
 538         for ( StateList::Iter st = fsm->stateList; st.lte(); st++ ) {
 539                 out << "      <state id=\"" << st->alg.stateNum << "\"";
 540                 if ( st->isFinState() )
 541                         out << " final=\"t\"";
 542                 out << ">\n";
 543
 544                 writeStateActions( st );
 545                 writeStateConditions( st );
 546                 writeTransList( st );
 547
 548                 out << "      </state>\n";
 549
 550                 if ( !st.last() )
 551                         out << "\n";
 552         }
 553         out << "    </state_list>\n";
 554 }
 555
 556 bool XMLCodeGen::writeNameInst( NameInst *nameInst )
 557 {
 558         bool written = false;
 559         if ( nameInst->parent != 0 )
 560                 written = writeNameInst( nameInst->parent );
 561
 562         if ( nameInst->name != 0 ) {
 563                 if ( written )
 564                         out << '_';
 565                 out << nameInst->name;
 566                 written = true;
 567         }
 568
 569         return written;
 570 }
 571
 572 void XMLCodeGen::writeEntryPoints()
 573 {
 574         /* List of entry points other than start state. */
 575         if ( fsm->entryPoints.length() > 0 || pd->lmRequiresErrorState ) {
 576                 out << "    <entry_points";
 577                 if ( pd->lmRequiresErrorState )
 578                         out << " error=\"t\"";
 579                 out << ">\n";
 580                 for ( EntryMap::Iter en = fsm->entryPoints; en.lte(); en++ ) {
 581                         /* Get the name instantiation from nameIndex. */
 582                         NameInst *nameInst = pd->nameIndex[en->key];
 583                         StateAp *state = en->value;
 584                         out << "      <entry name=\"";
 585                         writeNameInst( nameInst );
 586                         out << "\">" << state->alg.stateNum << "</entry>\n";
 587                 }
 588                 out << "    </entry_points>\n";
 589         }
 590 }
 591
 592 void XMLCodeGen::writeMachine()
 593 {
 594         /* Open the machine. */
 595         out << "  <machine>\n";
 596
 597         /* Action tables. */
 598         reduceActionTables();
 599
 600         writeActionList();
 601         writeActionTableList();
 602         writeConditions();
 603
 604         /* Start state. */
 605         out << "    <start_state>" << fsm->startState->alg.stateNum <<
 606                         "</start_state>\n";
 607
 608         /* Error state. */
 609         if ( fsm->errState != 0 ) {
 610                 out << "    <error_state>" << fsm->errState->alg.stateNum <<
 611                         "</error_state>\n";
 612         }
 613
 614         writeEntryPoints();
 615         writeStateList();
 616
 617         out << "  </machine>\n";
 618 }
 619
 620
 621 void XMLCodeGen::writeConditions()
 622 {
 623         if ( condData->condSpaceMap.length() > 0 ) {
 624                 long nextCondSpaceId = 0;
 625                 for ( CondSpaceMap::Iter cs = condData->condSpaceMap; cs.lte(); cs++ )
 626                         cs->condSpaceId = nextCondSpaceId++;
 627
 628                 out << "    <cond_space_list length=\"" << condData->condSpaceMap.length() << "\">\n";
 629                 for ( CondSpaceMap::Iter cs = condData->condSpaceMap; cs.lte(); cs++ ) {
 630                         out << "      <cond_space id=\"" << cs->condSpaceId <<
 631                                 "\" length=\"" << cs->condSet.length() << "\">";
 632                         writeKey( cs->baseKey );
 633                         for ( CondSet::Iter csi = cs->condSet; csi.lte(); csi++ )
 634                                 out << " " << (*csi)->actionId;
 635                         out << "</cond_space>\n";
 636                 }
 637                 out << "    </cond_space_list>\n";
 638         }
 639 }
 640
 641 void XMLCodeGen::writeExports()
 642 {
 643         if ( pd->exportList.length() > 0 ) {
 644                 out << "  <exports>\n";
 645                 for ( ExportList::Iter exp = pd->exportList; exp.lte(); exp++ ) {
 646                         out << "    <ex name=\"" << exp->name << "\">";
 647                         writeKey( exp->key );
 648                         out << "</ex>\n";
 649                 }
 650                 out << "  </exports>\n";
 651         }
 652 }
 653
 654 void XMLCodeGen::writeXML()
 655 {
 656         /* Open the definition. */
 657         out << "<ragel_def name=\"" << fsmName << "\">\n";
 658
 659         /* Alphabet type. */
 660         out << "  <alphtype>" << keyOps->alphType->internalName << "</alphtype>\n";
 661
 662         /* Getkey expression. */
 663         if ( pd->getKeyExpr != 0 ) {
 664                 out << "  <getkey>";
 665                 writeInlineList( pd->getKeyExpr, 0 );
 666                 out << "</getkey>\n";
 667         }
 668
 669         /* Access expression. */
 670         if ( pd->accessExpr != 0 ) {
 671                 out << "  <access>";
 672                 writeInlineList( pd->accessExpr, 0 );
 673                 out << "</access>\n";
 674         }
 675
 676         /*
 677          * Variable expressions.
 678          */
 679
 680         if ( pd->pExpr != 0 ) {
 681                 out << "  <p_expr>";
 682                 writeInlineList( pd->pExpr, 0 );
 683                 out << "</p_expr>\n";
 684         }
 685
 686         if ( pd->peExpr != 0 ) {
 687                 out << "  <pe_expr>";
 688                 writeInlineList( pd->peExpr, 0 );
 689                 out << "</pe_expr>\n";
 690         }
 691
 692         if ( pd->csExpr != 0 ) {
 693                 out << "  <cs_expr>";
 694                 writeInlineList( pd->csExpr, 0 );
 695                 out << "</cs_expr>\n";
 696         }
 697
 698         if ( pd->topExpr != 0 ) {
 699                 out << "  <top_expr>";
 700                 writeInlineList( pd->topExpr, 0 );
 701                 out << "</top_expr>\n";
 702         }
 703
 704         if ( pd->stackExpr != 0 ) {
 705                 out << "  <stack_expr>";
 706                 writeInlineList( pd->stackExpr, 0 );
 707                 out << "</stack_expr>\n";
 708         }
 709
 710         if ( pd->actExpr != 0 ) {
 711                 out << "  <act_expr>";
 712                 writeInlineList( pd->actExpr, 0 );
 713                 out << "</act_expr>\n";
 714         }
 715
 716         if ( pd->tokstartExpr != 0 ) {
 717                 out << "  <tokstart_expr>";
 718                 writeInlineList( pd->tokstartExpr, 0 );
 719                 out << "</tokstart_expr>\n";
 720         }
 721
 722         if ( pd->tokendExpr != 0 ) {
 723                 out << "  <tokend_expr>";
 724                 writeInlineList( pd->tokendExpr, 0 );
 725                 out << "</tokend_expr>\n";
 726         }
 727
 728         writeExports();
 729
 730         writeMachine();
 731
 732         out <<
 733                 "</ragel_def>\n";
 734 }
 735