utils/HelpGen/src/srcparser.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        No names yet.
   3 // Purpose:     Contrib. demo
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     22/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleskandars Gluchovas
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #  pragma implementation "srcparser.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #ifndef __DARWIN__
  28 #  include <malloc.h>
  29 #endif
  30 #include <stdio.h>
  31
  32 #include "srcparser.h"
  33
  34 /***** Implementation for class spVisitor *****/
  35
  36 void spVisitor::VisitAll( spContext& atContext,
  37                           bool sortContent
  38                         )
  39 {
  40     mSiblingSkipped = false;
  41     mChildSkipped   = false;
  42     mContextMask    = SP_CTX_ANY; // FIXME:: should be an arg.
  43
  44     if ( sortContent && !atContext.IsSorted() )
  45
  46         atContext.SortMembers();
  47
  48     mpCurCxt = &atContext; // FIXME:: this is dirty, restoring it each time
  49
  50     if ( atContext.GetContextType() & mContextMask )
  51
  52         atContext.AcceptVisitor( *this );
  53
  54     MMemberListT& members = atContext.GetMembers();
  55
  56     for( size_t i = 0; i != members.size(); ++i )
  57     {
  58         if ( mSiblingSkipped )
  59
  60             return;
  61
  62         if ( !mChildSkipped )
  63         {
  64             size_t prevSz = members.size();
  65
  66             // visit members of the context recursivelly
  67             VisitAll( *members[i], sortContent );
  68
  69             if ( members.size() != prevSz )
  70
  71                 --i; // current member was removed!
  72
  73             mChildSkipped = 0;
  74         }
  75     }
  76 }
  77
  78 void spVisitor::RemoveCurrentContext()
  79 {
  80     if ( mpCurCxt->GetParent() )
  81
  82         mpCurCxt->GetParent()->RemoveChild( mpCurCxt );
  83 }
  84
  85 void spVisitor::SkipSiblings()
  86 {
  87     mSiblingSkipped = true;
  88 }
  89
  90 void spVisitor::SkipChildren()
  91 {
  92     mChildSkipped = true;
  93 }
  94
  95 void spVisitor::SetFilter( int contextMask )
  96 {
  97     mContextMask = contextMask;
  98 }
  99
 100 /***** Implementation for class spComment *****/
 101
 102 bool spComment::IsMultiline()  const
 103 {
 104     return mIsMultiline;
 105 }
 106
 107 bool spComment::StartsParagraph() const
 108 {
 109     return mStartsPar;
 110 }
 111
 112 wxString& spComment::GetText()
 113 {
 114     return m_Text;
 115 }
 116
 117 wxString spComment::GetText() const
 118 {
 119     return m_Text;
 120 }
 121
 122 /***** Implementation for class spContext *****/
 123
 124 spContext::spContext()
 125
 126     : mpParent        ( NULL ),
 127       mpFirstOccurence( NULL ),
 128       mAlreadySorted  ( false ),
 129
 130       mSrcLineNo    (-1),
 131       mSrcOffset    (-1),
 132       mContextLength(-1),
 133       mLastScrLineNo(-1),
 134
 135       mHeaderLength (-1),
 136       mFooterLength (-1),
 137
 138       mFirstCharPos (-1),
 139       mLastCharPos  (-1),
 140
 141       mVisibility( SP_VIS_PRIVATE ),
 142
 143       mIsVirtualContext         ( false ),
 144       mVirtualContextHasChildren( false ),
 145
 146       mpUserData( NULL )
 147 {}
 148
 149 void spContext::RemoveChildren()
 150 {
 151     for( size_t i = 0; i != mMembers.size(); ++i )
 152
 153         delete mMembers[i];
 154
 155     mMembers.erase( mMembers.begin(), mMembers.end() );
 156 }
 157
 158 spContext::~spContext()
 159 {
 160     RemoveChildren();
 161
 162     for( size_t i = 0; i != mComments.size(); ++i )
 163
 164         delete mComments[i];
 165 }
 166
 167 bool spContext::IsSorted()
 168 {
 169     return mAlreadySorted;
 170 }
 171
 172 void spContext::GetContextList( MMemberListT& lst, int contextMask )
 173 {
 174     for( size_t i = 0; i != mMembers.size(); ++i )
 175     {
 176         spContext& member = *mMembers[i];
 177
 178         if ( member.GetContextType() & contextMask )
 179
 180             lst.push_back( &member );
 181
 182         // collect required contexts recursively
 183         member.GetContextList( lst, contextMask );
 184     }
 185 }
 186
 187 bool spContext::HasComments()
 188 {
 189     return ( mComments.size() != 0 );
 190 }
 191
 192 void spContext::RemoveChild( spContext* pChild )
 193 {
 194     for( size_t i = 0; i != mMembers.size(); ++i )
 195
 196         if ( mMembers[i] == pChild )
 197         {
 198             mMembers.erase( &mMembers[i] );
 199
 200             delete pChild;
 201             return;
 202         }
 203
 204     // the given child should exist on the parent's list
 205     wxASSERT( 0 );
 206 }
 207
 208 spContext* spContext::GetEnclosingContext( int mask )
 209 {
 210     spContext* cur = this->GetParent();
 211
 212     while ( cur && !(cur->GetContextType() & mask) )
 213
 214         cur = cur->GetParent();
 215
 216     return cur;
 217 }
 218
 219 bool spContext::PositionIsKnown()
 220 {
 221     return ( mSrcOffset != (-1) && mContextLength != (-1) );
 222 }
 223
 224 bool spContext::IsVirtualContext()
 225 {
 226     return mIsVirtualContext;
 227 }
 228
 229 bool spContext::VitualContextHasChildren()
 230 {
 231     return mVirtualContextHasChildren;
 232 }
 233
 234 string spContext::GetVirtualContextBody()
 235 {
 236     wxASSERT( mIsVirtualContext );
 237
 238     return mVirtualContextBody;
 239 }
 240
 241 string spContext::GetFooterOfVirtualContextBody()
 242 {
 243     wxASSERT( mIsVirtualContext );
 244
 245     return mVittualContextFooter;
 246 }
 247
 248
 249 void spContext::SetVirtualContextBody( const string& body,
 250                                        bool          hasChildren,
 251                                        const string& footer )
 252 {
 253     mVirtualContextHasChildren = hasChildren;
 254
 255     mVirtualContextBody   = body;
 256     mVittualContextFooter = footer;
 257
 258     // atuomaticllay becomes virtual context
 259
 260     mIsVirtualContext   = true;
 261 }
 262
 263 wxString spContext::GetBody( spContext* pCtx )
 264 {
 265     if ( ( pCtx == NULL || pCtx == this ) && mIsVirtualContext )
 266         return mVirtualContextBody;
 267
 268     if ( GetParent() )
 269         return GetParent()->GetBody( ( pCtx != NULL ) ? pCtx : this );
 270     else
 271         return wxEmptyString; // source-fragment cannot be found
 272 }
 273
 274 wxString spContext::GetHeader( spContext* pCtx )
 275 {
 276     if ( GetParent() )
 277         return GetParent()->GetHeader( ( pCtx != NULL ) ? pCtx : this );
 278     else
 279         return wxEmptyString; // source-fragment cannot be found
 280 }
 281
 282 bool spContext::IsFirstOccurence()
 283 {
 284     return ( mpFirstOccurence != 0 );
 285 }
 286
 287 spContext* spContext::GetFirstOccurence()
 288 {
 289     // this object should not itself be
 290     // the first occurence of the context
 291     wxASSERT( mpFirstOccurence != 0 );
 292
 293     return mpFirstOccurence;
 294 }
 295
 296 void spContext::AddMember( spContext* pMember )
 297 {
 298     mMembers.push_back( pMember );
 299
 300     pMember->mpParent = this;
 301 }
 302
 303 void spContext::AddComment( spComment* pComment )
 304 {
 305     mComments.push_back( pComment );
 306 }
 307
 308 MMemberListT& spContext::GetMembers()
 309 {
 310     return mMembers;
 311 }
 312
 313 spContext* spContext::FindContext( const string& identifier,
 314                                    int   contextType,
 315                                    bool  searchSubMembers
 316                                  )
 317 {
 318     for( size_t i = 0; i != mMembers.size(); ++i )
 319     {
 320         spContext& member = *mMembers[i];
 321
 322         if ( member.GetName() == identifier &&
 323              ( contextType & member.GetContextType() )
 324            )
 325
 326            return &member;
 327
 328         if ( searchSubMembers )
 329         {
 330             spContext* result =
 331                 member.FindContext( identifier, contextType, 1 );
 332
 333             if ( result ) return result;
 334         }
 335     }
 336
 337     return 0;
 338 }
 339
 340 void spContext::RemoveThisContext()
 341 {
 342     if ( mpParent )
 343         mpParent->RemoveChild( this );
 344     else
 345         // context should have a parent
 346         wxFAIL_MSG("Context should have a parent");
 347 }
 348
 349 spContext* spContext::GetOutterContext()
 350 {
 351     return mpParent;
 352 }
 353
 354 bool spContext::HasOutterContext()
 355 {
 356     return ( mpParent != 0 );
 357 }
 358
 359 bool spContext::IsInFile()
 360 {
 361     return ( GetOutterContext()->GetContextType() == SP_CTX_FILE );
 362 }
 363
 364 bool spContext::IsInNameSpace()
 365 {
 366     return ( GetOutterContext()->GetContextType() == SP_CTX_NAMESPACE );
 367 }
 368
 369 bool spContext::IsInClass()
 370 {
 371     return ( GetOutterContext()->GetContextType() == SP_CTX_CLASS );
 372 }
 373
 374 bool spContext::IsInOperation()
 375 {
 376     return ( GetOutterContext()->GetContextType() == SP_CTX_OPERATION );
 377 }
 378
 379 spClass& spContext::GetClass()
 380 {
 381     wxASSERT( GetOutterContext()->GetType() == SP_CTX_CLASS );
 382     return *((spClass*)mpParent );
 383 }
 384
 385 spFile& spContext::GetFile()
 386 {
 387     wxASSERT( GetOutterContext()->GetType() == SP_CTX_FILE );
 388     return *((spFile*)mpParent );
 389 }
 390
 391 spNameSpace& spContext::GetNameSpace()
 392 {
 393     wxASSERT( GetOutterContext()->GetType() == SP_CTX_NAMESPACE );
 394     return *((spNameSpace*)mpParent );
 395 }
 396
 397 spOperation& spContext::GetOperation()
 398 {
 399     wxASSERT( GetOutterContext()->GetType() == SP_CTX_OPERATION );
 400     return *((spOperation*)mpParent );
 401 }
 402
 403 /***** Implementation for class spClass *****/
 404
 405 void spClass::SortMembers()
 406 {
 407     // TBD::
 408 }
 409
 410 /***** Implementation for class spOperation *****/
 411
 412 spOperation::spOperation()
 413
 414     : mHasDefinition( false )
 415 {
 416     mIsConstant =
 417     mIsVirtual =
 418     mHasDefinition = false;
 419 }
 420
 421 wxString spOperation::GetFullName(MarkupTagsT tags)
 422 {
 423     wxString txt = tags[TAG_BOLD].start + m_RetType;
 424     txt += _T(" ");
 425     txt += m_Name;
 426     txt += _T("( ");
 427     txt += tags[TAG_BOLD].end;
 428
 429     for( size_t i = 0; i != mMembers.size(); ++i )
 430     {
 431         // DBG::
 432         wxASSERT( mMembers[i]->GetContextType() == SP_CTX_PARAMETER );
 433
 434         spParameter& param = *((spParameter*)mMembers[i]);
 435
 436         if ( i != 0 )
 437             txt += _T(", ");
 438
 439         txt += tags[TAG_BOLD].start;
 440
 441         txt += param.m_Type;
 442
 443         txt += tags[TAG_BOLD].end;
 444         txt += tags[TAG_ITALIC].start;
 445
 446         txt += _T(" ");
 447         txt += param.m_Name;
 448
 449         if ( !param.m_InitVal.empty() )
 450         {
 451             txt += _T(" = ");
 452             txt += tags[TAG_BOLD].start;
 453
 454             txt += param.m_InitVal;
 455
 456             txt += tags[TAG_BOLD].end;
 457         }
 458
 459         txt += tags[TAG_ITALIC].end;;
 460     }
 461
 462     txt += tags[TAG_BOLD].start;
 463     txt += " )";
 464     txt += tags[TAG_BOLD].end;
 465
 466     // TBD:: constantness of method
 467
 468     return txt;
 469 }
 470
 471 /***** Implemenentation for class spPreprocessorLine *****/
 472
 473 wxString spPreprocessorLine::CPP_GetIncludedFileNeme() const
 474 {
 475     wxASSERT( GetStatementType() == SP_PREP_DEF_INCLUDE_FILE );
 476
 477     size_t i = 0;
 478
 479     while( i < m_Line.length() && m_Line[i] != _T('"') && m_Line[i] != _T('<') )
 480
 481         ++i;
 482
 483     ++i;
 484
 485     size_t start = i;
 486
 487     while( i < m_Line.length() && m_Line[i] != _T('"') && m_Line[i] != _T('>') )
 488
 489         ++i;
 490
 491     if ( start < m_Line.length() )
 492     {
 493         wxString fname;
 494         fname.append( m_Line, start, ( i - start ) );
 495
 496         return fname;
 497     }
 498     else
 499         return wxEmptyString; // syntax error probably
 500 }
 501
 502
 503
 504 /***** Implemenentation for class SourceParserBase *****/
 505
 506 SourceParserBase::SourceParserBase()
 507
 508     : mpFileBuf( NULL ),
 509       mFileBufSz( 0 ),
 510
 511       mpPlugin( NULL )
 512 {}
 513
 514 SourceParserBase::~SourceParserBase()
 515 {
 516     if ( mpFileBuf ) free( mpFileBuf );
 517
 518     if ( mpPlugin ) delete mpPlugin;
 519 }
 520
 521 spFile* SourceParserBase::ParseFile( const char* fname )
 522 {
 523     // FIXME:: the below should not be fixed!
 524
 525     const size_t MAX_BUF_SIZE = 1024*256;
 526
 527     if ( !mpFileBuf ) mpFileBuf = (char*)malloc( MAX_BUF_SIZE );
 528
 529     mFileBufSz = MAX_BUF_SIZE;
 530
 531     FILE* fp = fopen( fname, "rt" );
 532
 533     if ( !fp ) return NULL;
 534
 535     int sz = fread( mpFileBuf, 1, mFileBufSz, fp );
 536
 537     return Parse( mpFileBuf, mpFileBuf + sz );
 538 }
 539
 540 void SourceParserBase::SetPlugin( SourceParserPlugin* pPlugin )
 541 {
 542     if ( mpPlugin ) delete mpPlugin;
 543
 544     mpPlugin = pPlugin;
 545 }
 546
 547 // ===========================================================================
 548 // debug methods
 549 // ===========================================================================
 550
 551 #ifdef __WXDEBUG__
 552
 553 void spContext::Dump(const wxString& indent) const
 554 {
 555     DumpThis(indent);
 556
 557     // increase it for the children
 558     wxString indentChild = indent + "    ";
 559
 560     for ( MMemberListT::const_iterator i = mMembers.begin();
 561           i != mMembers.end();
 562           i++ ) {
 563         (*i)->Dump(indentChild);
 564     }
 565 }
 566
 567 void spContext::DumpThis(const wxString& WXUNUSED(indent)) const
 568 {
 569     wxFAIL_MSG("abstract base class can't be found in parser tree!");
 570 }
 571
 572 void spParameter::DumpThis(const wxString& indent) const
 573 {
 574     wxLogDebug("%sparam named '%s' of type '%s'",
 575                indent.c_str(), m_Name.c_str(), m_Type.c_str());
 576 }
 577
 578 void spAttribute::DumpThis(const wxString& indent) const
 579 {
 580     wxLogDebug("%svariable named '%s' of type '%s'",
 581                indent.c_str(), m_Name.c_str(), m_Type.c_str());
 582 }
 583
 584 void spOperation::DumpThis(const wxString& indent) const
 585 {
 586     wxString protection;
 587     if ( !mScope.empty() ) {
 588         switch ( mVisibility ) {
 589             case SP_VIS_PUBLIC:
 590                 protection = "public";
 591                 break;
 592
 593             case SP_VIS_PROTECTED:
 594                 protection = "protected";
 595                 break;
 596
 597             case SP_VIS_PRIVATE:
 598                 protection = "private";
 599                 break;
 600
 601             default:
 602                 wxFAIL_MSG("unknown protection type");
 603         }
 604     }
 605     else {
 606         protection = "global";
 607     }
 608
 609     wxLogDebug("%s%s%s%s function named '%s::%s' of type '%s'",
 610                indent.c_str(),
 611                mIsConstant ? "const " : "",
 612                mIsVirtual ? "virtual " : "",
 613                protection.c_str(),
 614                mScope.c_str(), m_Name.c_str(), m_RetType.c_str());
 615 }
 616
 617 void spPreprocessorLine::DumpThis(const wxString& indent) const
 618 {
 619     wxString kind;
 620     switch ( mDefType ) {
 621         case SP_PREP_DEF_DEFINE_SYMBOL:
 622             kind = "define";
 623             break;
 624
 625         case SP_PREP_DEF_REDEFINE_SYMBOL:
 626             kind = "redefine";
 627             break;
 628
 629         case SP_PREP_DEF_INCLUDE_FILE:
 630             kind.Printf("include (%s)", CPP_GetIncludedFileNeme().c_str());
 631             break;
 632
 633         case SP_PREP_DEF_OTHER:
 634             kind = "other";
 635             break;
 636
 637     }
 638
 639     wxLogDebug("%spreprocessor statement: %s",
 640                indent.c_str(), kind.c_str());
 641 }
 642
 643 void spClass::DumpThis(const wxString& indent) const
 644 {
 645     wxString base;
 646     for ( StrListT::const_iterator i = m_SuperClassNames.begin();
 647           i != m_SuperClassNames.end();
 648           i++ ) {
 649         if ( !base.empty() )
 650             base += ", ";
 651         base += *i;
 652     }
 653
 654     if ( !base )
 655         base = "none";
 656
 657     wxString kind;
 658     switch ( mClassSubType ) {
 659         case SP_CLTYPE_CLASS:
 660             kind = "class";
 661             break;
 662
 663         case SP_CLTYPE_TEMPLATE_CLASS:
 664             kind = "template class";
 665             break;
 666
 667         case SP_CLTYPE_STRUCTURE:
 668             kind = "struc";
 669             break;
 670
 671         case SP_CLTYPE_UNION:
 672             kind = "union";
 673             break;
 674
 675         case SP_CLTYPE_INTERFACE:
 676             kind = "interface";
 677             break;
 678
 679         default:
 680             wxFAIL_MSG("unknown class subtype");
 681     }
 682
 683     wxLogDebug("%s%s named '%s' (base classes: %s)",
 684                indent.c_str(), kind.c_str(),
 685                m_Name.c_str(), base.c_str());
 686 }
 687
 688 void spEnumeration::DumpThis(const wxString& indent) const
 689 {
 690     wxLogDebug("%senum named '%s'",
 691                indent.c_str(), m_Name.c_str());
 692 }
 693
 694 void spTypeDef::DumpThis(const wxString& indent) const
 695 {
 696     wxLogDebug("%stypedef %s = %s",
 697                indent.c_str(), m_Name.c_str(), m_OriginalType.c_str());
 698 }
 699
 700 void spFile::DumpThis(const wxString& indent) const
 701 {
 702     wxLogDebug("%sfile '%s'",
 703                indent.c_str(), mFileName.c_str());
 704 }
 705
 706 #endif // __WXDEBUG__