DeclPrinter.cpp revision 4e1272381cf2553bcc4394bc1690be1b954f6be6
1//===--- DeclPrinter.cpp - Printing implementation for Decl ASTs ----------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file implements the Decl::dump method, which pretty print the 11// AST back out to C/Objective-C/C++/Objective-C++ code. 12// 13//===----------------------------------------------------------------------===// 14#include "clang/AST/ASTContext.h" 15#include "clang/AST/DeclVisitor.h" 16#include "clang/AST/Decl.h" 17#include "clang/AST/DeclCXX.h" 18#include "clang/AST/DeclObjC.h" 19#include "clang/AST/Expr.h" 20#include "clang/AST/PrettyPrinter.h" 21#include "llvm/Support/Compiler.h" 22#include "llvm/Support/Streams.h" 23#include "llvm/Support/Format.h" 24#include "llvm/Support/raw_ostream.h" 25using namespace clang; 26 27namespace { 28 class VISIBILITY_HIDDEN DeclPrinter : public DeclVisitor<DeclPrinter> { 29 llvm::raw_ostream &Out; 30 ASTContext &Context; 31 PrintingPolicy Policy; 32 unsigned Indentation; 33 34 llvm::raw_ostream& Indent(); 35 void ProcessDeclGroup(llvm::SmallVectorImpl<Decl*>& Decls); 36 37 public: 38 DeclPrinter(llvm::raw_ostream &Out, ASTContext &Context, 39 const PrintingPolicy &Policy, 40 unsigned Indentation = 0) 41 : Out(Out), Context(Context), Policy(Policy), Indentation(Indentation) { } 42 43 void VisitDeclContext(DeclContext *DC, bool Indent = true); 44 45 void VisitTranslationUnitDecl(TranslationUnitDecl *D); 46 void VisitTypedefDecl(TypedefDecl *D); 47 void VisitEnumDecl(EnumDecl *D); 48 void VisitRecordDecl(RecordDecl *D); 49 void VisitEnumConstantDecl(EnumConstantDecl *D); 50 void VisitFunctionDecl(FunctionDecl *D); 51 void VisitFieldDecl(FieldDecl *D); 52 void VisitVarDecl(VarDecl *D); 53 void VisitParmVarDecl(ParmVarDecl *D); 54 void VisitOriginalParmVarDecl(OriginalParmVarDecl *D); 55 void VisitFileScopeAsmDecl(FileScopeAsmDecl *D); 56 void VisitOverloadedFunctionDecl(OverloadedFunctionDecl *D); 57 void VisitNamespaceDecl(NamespaceDecl *D); 58 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D); 59 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D); 60 void VisitCXXRecordDecl(CXXRecordDecl *D); 61 void VisitLinkageSpecDecl(LinkageSpecDecl *D); 62 void VisitTemplateDecl(TemplateDecl *D); 63 void VisitObjCMethodDecl(ObjCMethodDecl *D); 64 void VisitObjCClassDecl(ObjCClassDecl *D); 65 void VisitObjCImplementationDecl(ObjCImplementationDecl *D); 66 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D); 67 void VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D); 68 void VisitObjCProtocolDecl(ObjCProtocolDecl *D); 69 void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D); 70 void VisitObjCCategoryDecl(ObjCCategoryDecl *D); 71 void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D); 72 void VisitObjCPropertyDecl(ObjCPropertyDecl *D); 73 void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D); 74 }; 75} 76 77void Decl::print(llvm::raw_ostream &Out, unsigned Indentation) { 78 print(Out, getASTContext().PrintingPolicy, Indentation); 79} 80 81void Decl::print(llvm::raw_ostream &Out, const PrintingPolicy &Policy, 82 unsigned Indentation) { 83 DeclPrinter Printer(Out, getASTContext(), Policy, Indentation); 84 Printer.Visit(this); 85} 86 87static QualType GetBaseType(QualType T) { 88 // FIXME: This should be on the Type class! 89 QualType BaseType = T; 90 while (!BaseType->isSpecifierType()) { 91 if (isa<TypedefType>(BaseType)) 92 break; 93 else if (const PointerType* PTy = BaseType->getAsPointerType()) 94 BaseType = PTy->getPointeeType(); 95 else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType)) 96 BaseType = ATy->getElementType(); 97 else if (const FunctionType* FTy = BaseType->getAsFunctionType()) 98 BaseType = FTy->getResultType(); 99 else if (const VectorType *VTy = BaseType->getAsVectorType()) 100 BaseType = VTy->getElementType(); 101 else 102 assert(0 && "Unknown declarator!"); 103 } 104 return BaseType; 105} 106 107static QualType getDeclType(Decl* D) { 108 if (TypedefDecl* TDD = dyn_cast<TypedefDecl>(D)) 109 return TDD->getUnderlyingType(); 110 if (ValueDecl* VD = dyn_cast<ValueDecl>(D)) 111 return VD->getType(); 112 return QualType(); 113} 114 115void Decl::printGroup(Decl** Begin, unsigned NumDecls, 116 llvm::raw_ostream &Out, const PrintingPolicy &Policy, 117 unsigned Indentation) { 118 if (NumDecls == 1) { 119 (*Begin)->print(Out, Policy, Indentation); 120 return; 121 } 122 123 Decl** End = Begin + NumDecls; 124 TagDecl* TD = dyn_cast<TagDecl>(*Begin); 125 if (TD) 126 ++Begin; 127 128 PrintingPolicy SubPolicy(Policy); 129 if (TD && TD->isDefinition()) { 130 TD->print(Out, Policy, Indentation); 131 Out << " "; 132 SubPolicy.SuppressTag = true; 133 } 134 135 bool isFirst = true; 136 for ( ; Begin != End; ++Begin) { 137 if (isFirst) { 138 SubPolicy.SuppressSpecifiers = false; 139 isFirst = false; 140 } else { 141 if (!isFirst) Out << ", "; 142 SubPolicy.SuppressSpecifiers = true; 143 } 144 145 (*Begin)->print(Out, SubPolicy, Indentation); 146 } 147} 148 149void Decl::dump() { 150 print(llvm::errs()); 151} 152 153llvm::raw_ostream& DeclPrinter::Indent() { 154 for (unsigned i = 0; i < Indentation; ++i) 155 Out << " "; 156 return Out; 157} 158 159void DeclPrinter::ProcessDeclGroup(llvm::SmallVectorImpl<Decl*>& Decls) { 160 this->Indent(); 161 Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation); 162 Out << ";\n"; 163 Decls.clear(); 164 165} 166 167//---------------------------------------------------------------------------- 168// Common C declarations 169//---------------------------------------------------------------------------- 170 171void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) { 172 if (Indent) 173 Indentation += Policy.Indentation; 174 175 llvm::SmallVector<Decl*, 2> Decls; 176 for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end(); 177 D != DEnd; ++D) { 178 if (!Policy.Dump) { 179 // Skip over implicit declarations in pretty-printing mode. 180 if (D->isImplicit()) continue; 181 // FIXME: Ugly hack so we don't pretty-print the builtin declaration 182 // of __builtin_va_list. There should be some other way to check that. 183 if (isa<NamedDecl>(*D) && cast<NamedDecl>(*D)->getNameAsString() == 184 "__builtin_va_list") 185 continue; 186 } 187 188 // The next bits of code handles stuff like "struct {int x;} a,b"; we're 189 // forced to merge the declarations because there's no other way to 190 // refer to the struct in question. This limited merging is safe without 191 // a bunch of other checks because it only merges declarations directly 192 // referring to the tag, not typedefs. 193 // 194 // Check whether the current declaration should be grouped with a previous 195 // unnamed struct. 196 QualType CurDeclType = getDeclType(*D); 197 if (!Decls.empty() && !CurDeclType.isNull()) { 198 QualType BaseType = GetBaseType(CurDeclType); 199 if (!BaseType.isNull() && isa<TagType>(BaseType) && 200 cast<TagType>(BaseType)->getDecl() == Decls[0]) { 201 Decls.push_back(*D); 202 continue; 203 } 204 } 205 206 // If we have a merged group waiting to be handled, handle it now. 207 if (!Decls.empty()) 208 ProcessDeclGroup(Decls); 209 210 // If the current declaration is an unnamed tag type, save it 211 // so we can merge it with the subsequent declaration(s) using it. 212 if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->getIdentifier()) { 213 Decls.push_back(*D); 214 continue; 215 } 216 this->Indent(); 217 Visit(*D); 218 219 // FIXME: Need to be able to tell the DeclPrinter when 220 const char *Terminator = 0; 221 if (isa<FunctionDecl>(*D) && 222 cast<FunctionDecl>(*D)->isThisDeclarationADefinition()) 223 Terminator = 0; 224 else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody()) 225 Terminator = 0; 226 else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) || 227 isa<ObjCImplementationDecl>(*D) || 228 isa<ObjCInterfaceDecl>(*D) || 229 isa<ObjCProtocolDecl>(*D) || 230 isa<ObjCCategoryImplDecl>(*D) || 231 isa<ObjCCategoryDecl>(*D)) 232 Terminator = 0; 233 else if (isa<EnumConstantDecl>(*D)) { 234 DeclContext::decl_iterator Next = D; 235 ++Next; 236 if (Next != DEnd) 237 Terminator = ","; 238 } else 239 Terminator = ";"; 240 241 if (Terminator) 242 Out << Terminator; 243 Out << "\n"; 244 } 245 246 if (!Decls.empty()) 247 ProcessDeclGroup(Decls); 248 249 if (Indent) 250 Indentation -= Policy.Indentation; 251} 252 253void DeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) { 254 VisitDeclContext(D, false); 255} 256 257void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) { 258 std::string S = D->getNameAsString(); 259 D->getUnderlyingType().getAsStringInternal(S, Policy); 260 if (!Policy.SuppressSpecifiers) 261 Out << "typedef "; 262 Out << S; 263} 264 265void DeclPrinter::VisitEnumDecl(EnumDecl *D) { 266 Out << "enum " << D->getNameAsString() << " {\n"; 267 VisitDeclContext(D); 268 Indent() << "}"; 269} 270 271void DeclPrinter::VisitRecordDecl(RecordDecl *D) { 272 Out << D->getKindName(); 273 if (D->getIdentifier()) { 274 Out << " "; 275 Out << D->getNameAsString(); 276 } 277 278 if (D->isDefinition()) { 279 Out << " {\n"; 280 VisitDeclContext(D); 281 Indent() << "}"; 282 } 283} 284 285void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) { 286 Out << D->getNameAsString(); 287 if (Expr *Init = D->getInitExpr()) { 288 Out << " = "; 289 Init->printPretty(Out, Context, 0, Policy, Indentation); 290 } 291} 292 293void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) { 294 if (!Policy.SuppressSpecifiers) { 295 switch (D->getStorageClass()) { 296 case FunctionDecl::None: break; 297 case FunctionDecl::Extern: Out << "extern "; break; 298 case FunctionDecl::Static: Out << "static "; break; 299 case FunctionDecl::PrivateExtern: Out << "__private_extern__ "; break; 300 } 301 302 if (D->isInline()) Out << "inline "; 303 if (D->isVirtualAsWritten()) Out << "virtual "; 304 } 305 306 PrintingPolicy SubPolicy(Policy); 307 SubPolicy.SuppressSpecifiers = false; 308 std::string Proto = D->getNameAsString(); 309 if (isa<FunctionType>(D->getType().getTypePtr())) { 310 const FunctionType *AFT = D->getType()->getAsFunctionType(); 311 312 const FunctionProtoType *FT = 0; 313 if (D->hasWrittenPrototype()) 314 FT = dyn_cast<FunctionProtoType>(AFT); 315 316 Proto += "("; 317 if (FT) { 318 llvm::raw_string_ostream POut(Proto); 319 DeclPrinter ParamPrinter(POut, Context, SubPolicy, Indentation); 320 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) { 321 if (i) POut << ", "; 322 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i)); 323 } 324 325 if (FT->isVariadic()) { 326 if (D->getNumParams()) POut << ", "; 327 POut << "..."; 328 } 329 } else if (D->isThisDeclarationADefinition() && !D->hasPrototype()) { 330 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) { 331 if (i) 332 Proto += ", "; 333 Proto += D->getParamDecl(i)->getNameAsString(); 334 } 335 } 336 337 Proto += ")"; 338 if (CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D)) { 339 if (CDecl->getNumBaseOrMemberInitializers() > 0) { 340 Proto += " : "; 341 Out << Proto; 342 Proto.clear(); 343 for (CXXConstructorDecl::init_const_iterator B = CDecl->init_begin(), 344 E = CDecl->init_end(); 345 B != E; ++B) { 346 CXXBaseOrMemberInitializer * BMInitializer = (*B); 347 if (B != CDecl->init_begin()) 348 Out << ", "; 349 bool hasArguments = (BMInitializer->begin() != BMInitializer->end()); 350 if (BMInitializer->isMemberInitializer()) { 351 FieldDecl *FD = BMInitializer->getMember(); 352 Out << FD->getNameAsString(); 353 } 354 else // FIXME. skip dependent types for now. 355 if (const RecordType *RT = 356 BMInitializer->getBaseClass()->getAsRecordType()) { 357 const CXXRecordDecl *BaseDecl = 358 cast<CXXRecordDecl>(RT->getDecl()); 359 Out << BaseDecl->getNameAsString(); 360 } 361 if (hasArguments) { 362 Out << "("; 363 for (CXXBaseOrMemberInitializer::arg_const_iterator BE = 364 BMInitializer->begin(), EE = BMInitializer->end(); 365 BE != EE; BE++) { 366 if (BE != BMInitializer->begin()) 367 Out<< ", "; 368 Expr *Exp = (*BE); 369 Exp->printPretty(Out, Context, 0, Policy, Indentation); 370 } 371 Out << ")"; 372 } else 373 Out << "()"; 374 } 375 } 376 } 377 else if (CXXDestructorDecl *DDecl = dyn_cast<CXXDestructorDecl>(D)) { 378 if (DDecl->getNumBaseOrMemberDestructions() > 0) { 379 // List order of base/member destruction for visualization purposes. 380 assert (D->isThisDeclarationADefinition() && "Destructor with dtor-list"); 381 Proto += "/* : "; 382 for (CXXDestructorDecl::destr_const_iterator *B = DDecl->destr_begin(), 383 *E = DDecl->destr_end(); 384 B != E; ++B) { 385 uintptr_t BaseOrMember = (*B); 386 if (B != DDecl->destr_begin()) 387 Proto += ", "; 388 389 if (DDecl->isMemberToDestroy(BaseOrMember)) { 390 FieldDecl *FD = DDecl->getMemberToDestroy(BaseOrMember); 391 Proto += "~"; 392 Proto += FD->getNameAsString(); 393 } 394 else // FIXME. skip dependent types for now. 395 if (const RecordType *RT = 396 DDecl->getAnyBaseClassToDestroy(BaseOrMember) 397 ->getAsRecordType()) { 398 const CXXRecordDecl *BaseDecl = 399 cast<CXXRecordDecl>(RT->getDecl()); 400 Proto += "~"; 401 Proto += BaseDecl->getNameAsString(); 402 } 403 Proto += "()"; 404 } 405 Proto += " */"; 406 } 407 } 408 else 409 AFT->getResultType().getAsStringInternal(Proto, Policy); 410 } else { 411 D->getType().getAsStringInternal(Proto, Policy); 412 } 413 414 Out << Proto; 415 416 if (D->isPure()) 417 Out << " = 0"; 418 else if (D->isDeleted()) 419 Out << " = delete"; 420 else if (D->isThisDeclarationADefinition()) { 421 if (!D->hasPrototype() && D->getNumParams()) { 422 // This is a K&R function definition, so we need to print the 423 // parameters. 424 Out << '\n'; 425 DeclPrinter ParamPrinter(Out, Context, SubPolicy, Indentation); 426 Indentation += Policy.Indentation; 427 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) { 428 Indent(); 429 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i)); 430 Out << ";\n"; 431 } 432 Indentation -= Policy.Indentation; 433 } else 434 Out << ' '; 435 436 D->getBody()->printPretty(Out, Context, 0, SubPolicy, Indentation); 437 Out << '\n'; 438 } 439} 440 441void DeclPrinter::VisitFieldDecl(FieldDecl *D) { 442 if (!Policy.SuppressSpecifiers && D->isMutable()) 443 Out << "mutable "; 444 445 std::string Name = D->getNameAsString(); 446 D->getType().getAsStringInternal(Name, Policy); 447 Out << Name; 448 449 if (D->isBitField()) { 450 Out << " : "; 451 D->getBitWidth()->printPretty(Out, Context, 0, Policy, Indentation); 452 } 453} 454 455void DeclPrinter::VisitVarDecl(VarDecl *D) { 456 if (!Policy.SuppressSpecifiers && D->getStorageClass() != VarDecl::None) 457 Out << VarDecl::getStorageClassSpecifierString(D->getStorageClass()) << " "; 458 459 if (!Policy.SuppressSpecifiers && D->isThreadSpecified()) 460 Out << "__thread "; 461 462 std::string Name = D->getNameAsString(); 463 QualType T = D->getType(); 464 if (OriginalParmVarDecl *Parm = dyn_cast<OriginalParmVarDecl>(D)) 465 T = Parm->getOriginalType(); 466 T.getAsStringInternal(Name, Policy); 467 Out << Name; 468 if (D->getInit()) { 469 if (D->hasCXXDirectInitializer()) 470 Out << "("; 471 else 472 Out << " = "; 473 D->getInit()->printPretty(Out, Context, 0, Policy, Indentation); 474 if (D->hasCXXDirectInitializer()) 475 Out << ")"; 476 } 477} 478 479void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) { 480 VisitVarDecl(D); 481} 482 483void DeclPrinter::VisitOriginalParmVarDecl(OriginalParmVarDecl *D) { 484 VisitVarDecl(D); 485} 486 487void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) { 488 Out << "__asm ("; 489 D->getAsmString()->printPretty(Out, Context, 0, Policy, Indentation); 490 Out << ")"; 491} 492 493//---------------------------------------------------------------------------- 494// C++ declarations 495//---------------------------------------------------------------------------- 496void DeclPrinter::VisitOverloadedFunctionDecl(OverloadedFunctionDecl *D) { 497 assert(false && 498 "OverloadedFunctionDecls aren't really decls and are never printed"); 499} 500 501void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) { 502 Out << "namespace " << D->getNameAsString() << " {\n"; 503 VisitDeclContext(D); 504 Indent() << "}"; 505} 506 507void DeclPrinter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) { 508 Out << "using namespace "; 509 if (D->getQualifier()) 510 D->getQualifier()->print(Out, Policy); 511 Out << D->getNominatedNamespace()->getNameAsString(); 512} 513 514void DeclPrinter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) { 515 Out << "namespace " << D->getNameAsString() << " = "; 516 if (D->getQualifier()) 517 D->getQualifier()->print(Out, Policy); 518 Out << D->getAliasedNamespace()->getNameAsString(); 519} 520 521void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) { 522 Out << D->getKindName(); 523 if (D->getIdentifier()) { 524 Out << " "; 525 Out << D->getNameAsString(); 526 } 527 528 if (D->isDefinition()) { 529 // Print the base classes 530 if (D->getNumBases()) { 531 Out << " : "; 532 for(CXXRecordDecl::base_class_iterator Base = D->bases_begin(), 533 BaseEnd = D->bases_end(); 534 Base != BaseEnd; ++Base) { 535 if (Base != D->bases_begin()) 536 Out << ", "; 537 538 if (Base->isVirtual()) 539 Out << "virtual "; 540 541 switch(Base->getAccessSpecifierAsWritten()) { 542 case AS_none: break; 543 case AS_public: Out << "public "; break; 544 case AS_protected: Out << "protected "; break; 545 case AS_private: Out << " private "; break; 546 } 547 548 Out << Base->getType().getAsString(Policy); 549 } 550 } 551 552 // Print the class definition 553 // FIXME: Doesn't print access specifiers, e.g., "public:" 554 Out << " {\n"; 555 VisitDeclContext(D); 556 Indent() << "}"; 557 } 558} 559 560void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) { 561 const char *l; 562 if (D->getLanguage() == LinkageSpecDecl::lang_c) 563 l = "C"; 564 else { 565 assert(D->getLanguage() == LinkageSpecDecl::lang_cxx && 566 "unknown language in linkage specification"); 567 l = "C++"; 568 } 569 570 Out << "extern \"" << l << "\" "; 571 if (D->hasBraces()) { 572 Out << "{\n"; 573 VisitDeclContext(D); 574 Indent() << "}"; 575 } else 576 Visit(*D->decls_begin()); 577} 578 579void DeclPrinter::VisitTemplateDecl(TemplateDecl *D) { 580 Out << "template <"; 581 582 TemplateParameterList *Params = D->getTemplateParameters(); 583 for (unsigned i = 0, e = Params->size(); i != e; ++i) { 584 if (i != 0) 585 Out << ", "; 586 587 const Decl *Param = Params->getParam(i); 588 if (const TemplateTypeParmDecl *TTP = 589 dyn_cast<TemplateTypeParmDecl>(Param)) { 590 591 QualType ParamType = 592 Context.getTypeDeclType(const_cast<TemplateTypeParmDecl*>(TTP)); 593 594 if (TTP->wasDeclaredWithTypename()) 595 Out << "typename "; 596 else 597 Out << "class "; 598 599 if (TTP->isParameterPack()) 600 Out << "... "; 601 602 Out << ParamType.getAsString(Policy); 603 604 if (TTP->hasDefaultArgument()) { 605 Out << " = "; 606 Out << TTP->getDefaultArgument().getAsString(Policy); 607 }; 608 } else if (const NonTypeTemplateParmDecl *NTTP = 609 dyn_cast<NonTypeTemplateParmDecl>(Param)) { 610 Out << NTTP->getType().getAsString(Policy); 611 612 if (IdentifierInfo *Name = NTTP->getIdentifier()) { 613 Out << ' '; 614 Out << Name->getName(); 615 } 616 617 if (NTTP->hasDefaultArgument()) { 618 Out << " = "; 619 NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy, 620 Indentation); 621 } 622 } 623 } 624 625 Out << "> "; 626 627 Visit(D->getTemplatedDecl()); 628} 629 630//---------------------------------------------------------------------------- 631// Objective-C declarations 632//---------------------------------------------------------------------------- 633 634void DeclPrinter::VisitObjCClassDecl(ObjCClassDecl *D) { 635 Out << "@class "; 636 for (ObjCClassDecl::iterator I = D->begin(), E = D->end(); 637 I != E; ++I) { 638 if (I != D->begin()) Out << ", "; 639 Out << (*I)->getNameAsString(); 640 } 641} 642 643void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) { 644 if (OMD->isInstanceMethod()) 645 Out << "- "; 646 else 647 Out << "+ "; 648 if (!OMD->getResultType().isNull()) 649 Out << '(' << OMD->getResultType().getAsString(Policy) << ")"; 650 651 std::string name = OMD->getSelector().getAsString(); 652 std::string::size_type pos, lastPos = 0; 653 for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 654 E = OMD->param_end(); PI != E; ++PI) { 655 // FIXME: selector is missing here! 656 pos = name.find_first_of(":", lastPos); 657 Out << " " << name.substr(lastPos, pos - lastPos); 658 Out << ":(" << (*PI)->getType().getAsString(Policy) << ")" 659 << (*PI)->getNameAsString(); 660 lastPos = pos + 1; 661 } 662 663 if (OMD->param_begin() == OMD->param_end()) 664 Out << " " << name; 665 666 if (OMD->isVariadic()) 667 Out << ", ..."; 668 669 if (OMD->getBody()) { 670 Out << ' '; 671 OMD->getBody()->printPretty(Out, Context, 0, Policy); 672 Out << '\n'; 673 } 674} 675 676void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) { 677 std::string I = OID->getNameAsString(); 678 ObjCInterfaceDecl *SID = OID->getSuperClass(); 679 680 if (SID) 681 Out << "@implementation " << I << " : " << SID->getNameAsString(); 682 else 683 Out << "@implementation " << I; 684 Out << "\n"; 685 VisitDeclContext(OID, false); 686 Out << "@end"; 687} 688 689void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) { 690 std::string I = OID->getNameAsString(); 691 ObjCInterfaceDecl *SID = OID->getSuperClass(); 692 693 if (SID) 694 Out << "@interface " << I << " : " << SID->getNameAsString(); 695 else 696 Out << "@interface " << I; 697 698 // Protocols? 699 const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols(); 700 if (!Protocols.empty()) { 701 for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), 702 E = Protocols.end(); I != E; ++I) 703 Out << (I == Protocols.begin() ? '<' : ',') << (*I)->getNameAsString(); 704 } 705 706 if (!Protocols.empty()) 707 Out << "> "; 708 709 if (OID->ivar_size() > 0) { 710 Out << "{\n"; 711 Indentation += Policy.Indentation; 712 for (ObjCInterfaceDecl::ivar_iterator I = OID->ivar_begin(), 713 E = OID->ivar_end(); I != E; ++I) { 714 Indent() << (*I)->getType().getAsString(Policy) 715 << ' ' << (*I)->getNameAsString() << ";\n"; 716 } 717 Indentation -= Policy.Indentation; 718 Out << "}\n"; 719 } 720 721 VisitDeclContext(OID, false); 722 Out << "@end"; 723 // FIXME: implement the rest... 724} 725 726void DeclPrinter::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D) { 727 Out << "@protocol "; 728 for (ObjCForwardProtocolDecl::protocol_iterator I = D->protocol_begin(), 729 E = D->protocol_end(); 730 I != E; ++I) { 731 if (I != D->protocol_begin()) Out << ", "; 732 Out << (*I)->getNameAsString(); 733 } 734} 735 736void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) { 737 Out << "@protocol " << PID->getNameAsString() << '\n'; 738 VisitDeclContext(PID, false); 739 Out << "@end"; 740} 741 742void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) { 743 Out << "@implementation " 744 << PID->getClassInterface()->getNameAsString() 745 << '(' << PID->getNameAsString() << ")\n"; 746 747 VisitDeclContext(PID, false); 748 Out << "@end"; 749 // FIXME: implement the rest... 750} 751 752void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) { 753 Out << "@interface " 754 << PID->getClassInterface()->getNameAsString() 755 << '(' << PID->getNameAsString() << ")\n"; 756 VisitDeclContext(PID, false); 757 Out << "@end"; 758 759 // FIXME: implement the rest... 760} 761 762void DeclPrinter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *AID) { 763 Out << "@compatibility_alias " << AID->getNameAsString() 764 << ' ' << AID->getClassInterface()->getNameAsString() << ";\n"; 765} 766 767/// PrintObjCPropertyDecl - print a property declaration. 768/// 769void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) { 770 if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Required) 771 Out << "@required\n"; 772 else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional) 773 Out << "@optional\n"; 774 775 Out << "@property"; 776 if (PDecl->getPropertyAttributes() != ObjCPropertyDecl::OBJC_PR_noattr) { 777 bool first = true; 778 Out << " ("; 779 if (PDecl->getPropertyAttributes() & 780 ObjCPropertyDecl::OBJC_PR_readonly) { 781 Out << (first ? ' ' : ',') << "readonly"; 782 first = false; 783 } 784 785 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 786 Out << (first ? ' ' : ',') << "getter = " 787 << PDecl->getGetterName().getAsString(); 788 first = false; 789 } 790 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 791 Out << (first ? ' ' : ',') << "setter = " 792 << PDecl->getSetterName().getAsString(); 793 first = false; 794 } 795 796 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) { 797 Out << (first ? ' ' : ',') << "assign"; 798 first = false; 799 } 800 801 if (PDecl->getPropertyAttributes() & 802 ObjCPropertyDecl::OBJC_PR_readwrite) { 803 Out << (first ? ' ' : ',') << "readwrite"; 804 first = false; 805 } 806 807 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_retain) { 808 Out << (first ? ' ' : ',') << "retain"; 809 first = false; 810 } 811 812 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_copy) { 813 Out << (first ? ' ' : ',') << "copy"; 814 first = false; 815 } 816 817 if (PDecl->getPropertyAttributes() & 818 ObjCPropertyDecl::OBJC_PR_nonatomic) { 819 Out << (first ? ' ' : ',') << "nonatomic"; 820 first = false; 821 } 822 Out << " )"; 823 } 824 Out << ' ' << PDecl->getType().getAsString(Policy) 825 << ' ' << PDecl->getNameAsString(); 826} 827 828void DeclPrinter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PID) { 829 if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize) 830 Out << "@synthesize "; 831 else 832 Out << "@dynamic "; 833 Out << PID->getPropertyDecl()->getNameAsString(); 834 if (PID->getPropertyIvarDecl()) 835 Out << "=" << PID->getPropertyIvarDecl()->getNameAsString(); 836} 837