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