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Douglas Gregor4fe0c8e2009-05-30 00:08:05 +00001//===--- 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"
Douglas Gregor9db7dbb2010-01-31 09:12:51 +000020#include "clang/AST/ExprCXX.h"
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000021#include "clang/AST/PrettyPrinter.h"
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000022#include "llvm/Support/raw_ostream.h"
23using namespace clang;
24
25namespace {
Benjamin Kramer770b4a82009-11-28 19:03:38 +000026 class DeclPrinter : public DeclVisitor<DeclPrinter> {
Chris Lattner5f9e2722011-07-23 10:55:15 +000027 raw_ostream &Out;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000028 ASTContext &Context;
29 PrintingPolicy Policy;
30 unsigned Indentation;
Richard Trieu5cb3d692011-07-28 00:19:05 +000031 bool PrintInstantiation;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000032
Chris Lattner5f9e2722011-07-23 10:55:15 +000033 raw_ostream& Indent() { return Indent(Indentation); }
34 raw_ostream& Indent(unsigned Indentation);
35 void ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000036
Anders Carlsson0d592922009-08-28 22:39:52 +000037 void Print(AccessSpecifier AS);
Mike Stump1eb44332009-09-09 15:08:12 +000038
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000039 public:
Chris Lattner5f9e2722011-07-23 10:55:15 +000040 DeclPrinter(raw_ostream &Out, ASTContext &Context,
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000041 const PrintingPolicy &Policy,
Richard Trieu5cb3d692011-07-28 00:19:05 +000042 unsigned Indentation = 0,
43 bool PrintInstantiation = false)
44 : Out(Out), Context(Context), Policy(Policy), Indentation(Indentation),
45 PrintInstantiation(PrintInstantiation) { }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000046
47 void VisitDeclContext(DeclContext *DC, bool Indent = true);
48
49 void VisitTranslationUnitDecl(TranslationUnitDecl *D);
50 void VisitTypedefDecl(TypedefDecl *D);
Richard Smith162e1c12011-04-15 14:24:37 +000051 void VisitTypeAliasDecl(TypeAliasDecl *D);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000052 void VisitEnumDecl(EnumDecl *D);
53 void VisitRecordDecl(RecordDecl *D);
54 void VisitEnumConstantDecl(EnumConstantDecl *D);
55 void VisitFunctionDecl(FunctionDecl *D);
56 void VisitFieldDecl(FieldDecl *D);
57 void VisitVarDecl(VarDecl *D);
Chris Lattner57ad3782011-02-17 20:34:02 +000058 void VisitLabelDecl(LabelDecl *D);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000059 void VisitParmVarDecl(ParmVarDecl *D);
60 void VisitFileScopeAsmDecl(FileScopeAsmDecl *D);
Peter Collingbourne28ac87e2011-03-16 18:37:27 +000061 void VisitStaticAssertDecl(StaticAssertDecl *D);
Douglas Gregor59e63572009-05-30 06:58:37 +000062 void VisitNamespaceDecl(NamespaceDecl *D);
Douglas Gregor8419fa32009-05-30 06:31:56 +000063 void VisitUsingDirectiveDecl(UsingDirectiveDecl *D);
Douglas Gregor6c9c9402009-05-30 06:48:27 +000064 void VisitNamespaceAliasDecl(NamespaceAliasDecl *D);
Douglas Gregor59e63572009-05-30 06:58:37 +000065 void VisitCXXRecordDecl(CXXRecordDecl *D);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000066 void VisitLinkageSpecDecl(LinkageSpecDecl *D);
Richard Smith98a57862011-04-15 13:38:57 +000067 void VisitTemplateDecl(const TemplateDecl *D);
Richard Trieu5cb3d692011-07-28 00:19:05 +000068 void VisitFunctionTemplateDecl(FunctionTemplateDecl *D);
69 void VisitClassTemplateDecl(ClassTemplateDecl *D);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000070 void VisitObjCMethodDecl(ObjCMethodDecl *D);
Douglas Gregor8419fa32009-05-30 06:31:56 +000071 void VisitObjCClassDecl(ObjCClassDecl *D);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000072 void VisitObjCImplementationDecl(ObjCImplementationDecl *D);
73 void VisitObjCInterfaceDecl(ObjCInterfaceDecl *D);
74 void VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D);
75 void VisitObjCProtocolDecl(ObjCProtocolDecl *D);
76 void VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *D);
77 void VisitObjCCategoryDecl(ObjCCategoryDecl *D);
78 void VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *D);
79 void VisitObjCPropertyDecl(ObjCPropertyDecl *D);
80 void VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *D);
John McCall7ba107a2009-11-18 02:36:19 +000081 void VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D);
82 void VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D);
Anders Carlssonf53eaa52009-08-28 19:16:39 +000083 void VisitUsingDecl(UsingDecl *D);
John McCall9488ea12009-11-17 05:59:44 +000084 void VisitUsingShadowDecl(UsingShadowDecl *D);
Richard Trieu5cb3d692011-07-28 00:19:05 +000085
86 void PrintTemplateParameters(const TemplateParameterList *Params,
87 const TemplateArgumentList *Args);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000088 };
89}
90
Richard Trieu5cb3d692011-07-28 00:19:05 +000091void Decl::print(raw_ostream &Out, unsigned Indentation,
92 bool PrintInstantiation) const {
Douglas Gregor30c42402011-09-27 22:38:19 +000093 print(Out, getASTContext().getPrintingPolicy(), Indentation, PrintInstantiation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +000094}
95
Chris Lattner5f9e2722011-07-23 10:55:15 +000096void Decl::print(raw_ostream &Out, const PrintingPolicy &Policy,
Richard Trieu5cb3d692011-07-28 00:19:05 +000097 unsigned Indentation, bool PrintInstantiation) const {
98 DeclPrinter Printer(Out, getASTContext(), Policy, Indentation, PrintInstantiation);
Anders Carlssonf88df862009-09-26 21:58:53 +000099 Printer.Visit(const_cast<Decl*>(this));
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000100}
101
Eli Friedman42f42c02009-05-30 04:20:30 +0000102static QualType GetBaseType(QualType T) {
103 // FIXME: This should be on the Type class!
104 QualType BaseType = T;
105 while (!BaseType->isSpecifierType()) {
106 if (isa<TypedefType>(BaseType))
107 break;
Ted Kremenek6217b802009-07-29 21:53:49 +0000108 else if (const PointerType* PTy = BaseType->getAs<PointerType>())
Eli Friedman42f42c02009-05-30 04:20:30 +0000109 BaseType = PTy->getPointeeType();
110 else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
111 BaseType = ATy->getElementType();
John McCall183700f2009-09-21 23:43:11 +0000112 else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
Eli Friedman42f42c02009-05-30 04:20:30 +0000113 BaseType = FTy->getResultType();
John McCall183700f2009-09-21 23:43:11 +0000114 else if (const VectorType *VTy = BaseType->getAs<VectorType>())
Douglas Gregor5068ab62009-07-01 23:58:14 +0000115 BaseType = VTy->getElementType();
Eli Friedman42f42c02009-05-30 04:20:30 +0000116 else
David Blaikieb219cfc2011-09-23 05:06:16 +0000117 llvm_unreachable("Unknown declarator!");
Eli Friedman42f42c02009-05-30 04:20:30 +0000118 }
119 return BaseType;
120}
121
122static QualType getDeclType(Decl* D) {
Richard Smith162e1c12011-04-15 14:24:37 +0000123 if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D))
Eli Friedman42f42c02009-05-30 04:20:30 +0000124 return TDD->getUnderlyingType();
125 if (ValueDecl* VD = dyn_cast<ValueDecl>(D))
126 return VD->getType();
127 return QualType();
128}
129
130void Decl::printGroup(Decl** Begin, unsigned NumDecls,
Chris Lattner5f9e2722011-07-23 10:55:15 +0000131 raw_ostream &Out, const PrintingPolicy &Policy,
Eli Friedman42f42c02009-05-30 04:20:30 +0000132 unsigned Indentation) {
133 if (NumDecls == 1) {
Argyrios Kyrtzidisf1d60ea2009-06-30 02:35:04 +0000134 (*Begin)->print(Out, Policy, Indentation);
Eli Friedman42f42c02009-05-30 04:20:30 +0000135 return;
136 }
137
138 Decl** End = Begin + NumDecls;
139 TagDecl* TD = dyn_cast<TagDecl>(*Begin);
140 if (TD)
141 ++Begin;
142
143 PrintingPolicy SubPolicy(Policy);
John McCall5e1cdac2011-10-07 06:10:15 +0000144 if (TD && TD->isCompleteDefinition()) {
Argyrios Kyrtzidisf1d60ea2009-06-30 02:35:04 +0000145 TD->print(Out, Policy, Indentation);
Eli Friedman42f42c02009-05-30 04:20:30 +0000146 Out << " ";
147 SubPolicy.SuppressTag = true;
148 }
149
150 bool isFirst = true;
151 for ( ; Begin != End; ++Begin) {
152 if (isFirst) {
153 SubPolicy.SuppressSpecifiers = false;
154 isFirst = false;
155 } else {
156 if (!isFirst) Out << ", ";
157 SubPolicy.SuppressSpecifiers = true;
158 }
159
Argyrios Kyrtzidisf1d60ea2009-06-30 02:35:04 +0000160 (*Begin)->print(Out, SubPolicy, Indentation);
Eli Friedman42f42c02009-05-30 04:20:30 +0000161 }
162}
163
Anders Carlsson84834432009-12-14 00:51:04 +0000164void DeclContext::dumpDeclContext() const {
Anders Carlsson2b7d8dd2009-12-09 17:27:46 +0000165 // Get the translation unit
166 const DeclContext *DC = this;
167 while (!DC->isTranslationUnit())
168 DC = DC->getParent();
169
170 ASTContext &Ctx = cast<TranslationUnitDecl>(DC)->getASTContext();
Douglas Gregor30c42402011-09-27 22:38:19 +0000171 DeclPrinter Printer(llvm::errs(), Ctx, Ctx.getPrintingPolicy(), 0);
Anders Carlsson2b7d8dd2009-12-09 17:27:46 +0000172 Printer.VisitDeclContext(const_cast<DeclContext *>(this), /*Indent=*/false);
173}
174
Anders Carlssonf88df862009-09-26 21:58:53 +0000175void Decl::dump() const {
Argyrios Kyrtzidisf1d60ea2009-06-30 02:35:04 +0000176 print(llvm::errs());
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000177}
178
Chris Lattner5f9e2722011-07-23 10:55:15 +0000179raw_ostream& DeclPrinter::Indent(unsigned Indentation) {
Daniel Dunbar512ce602009-11-21 09:12:06 +0000180 for (unsigned i = 0; i != Indentation; ++i)
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000181 Out << " ";
182 return Out;
183}
184
Chris Lattner5f9e2722011-07-23 10:55:15 +0000185void DeclPrinter::ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls) {
Eli Friedman42f42c02009-05-30 04:20:30 +0000186 this->Indent();
Argyrios Kyrtzidisf1d60ea2009-06-30 02:35:04 +0000187 Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation);
Eli Friedman42f42c02009-05-30 04:20:30 +0000188 Out << ";\n";
189 Decls.clear();
190
191}
192
Anders Carlsson0d592922009-08-28 22:39:52 +0000193void DeclPrinter::Print(AccessSpecifier AS) {
194 switch(AS) {
David Blaikieeb2d1f12011-09-23 20:26:49 +0000195 case AS_none: llvm_unreachable("No access specifier!");
Anders Carlsson0d592922009-08-28 22:39:52 +0000196 case AS_public: Out << "public"; break;
197 case AS_protected: Out << "protected"; break;
Abramo Bagnara6206d532010-06-05 05:09:32 +0000198 case AS_private: Out << "private"; break;
Anders Carlsson0d592922009-08-28 22:39:52 +0000199 }
200}
201
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000202//----------------------------------------------------------------------------
203// Common C declarations
204//----------------------------------------------------------------------------
205
206void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
207 if (Indent)
208 Indentation += Policy.Indentation;
209
Chris Lattner5f9e2722011-07-23 10:55:15 +0000210 SmallVector<Decl*, 2> Decls;
Argyrios Kyrtzidis17945a02009-06-30 02:36:12 +0000211 for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000212 D != DEnd; ++D) {
Ted Kremenek2d6c9062010-07-30 00:47:46 +0000213
214 // Don't print ObjCIvarDecls, as they are printed when visiting the
215 // containing ObjCInterfaceDecl.
216 if (isa<ObjCIvarDecl>(*D))
217 continue;
218
Eli Friedman48d14a22009-05-30 05:03:24 +0000219 if (!Policy.Dump) {
220 // Skip over implicit declarations in pretty-printing mode.
221 if (D->isImplicit()) continue;
Eli Friedman3d4a7c92009-05-30 06:35:22 +0000222 // FIXME: Ugly hack so we don't pretty-print the builtin declaration
Argyrios Kyrtzidis2574f6f2010-06-17 10:52:11 +0000223 // of __builtin_va_list or __[u]int128_t. There should be some other way
224 // to check that.
225 if (NamedDecl *ND = dyn_cast<NamedDecl>(*D)) {
226 if (IdentifierInfo *II = ND->getIdentifier()) {
227 if (II->isStr("__builtin_va_list") ||
228 II->isStr("__int128_t") || II->isStr("__uint128_t"))
229 continue;
230 }
231 }
Eli Friedman48d14a22009-05-30 05:03:24 +0000232 }
233
Eli Friedman42f42c02009-05-30 04:20:30 +0000234 // The next bits of code handles stuff like "struct {int x;} a,b"; we're
235 // forced to merge the declarations because there's no other way to
236 // refer to the struct in question. This limited merging is safe without
237 // a bunch of other checks because it only merges declarations directly
238 // referring to the tag, not typedefs.
239 //
240 // Check whether the current declaration should be grouped with a previous
241 // unnamed struct.
242 QualType CurDeclType = getDeclType(*D);
243 if (!Decls.empty() && !CurDeclType.isNull()) {
244 QualType BaseType = GetBaseType(CurDeclType);
245 if (!BaseType.isNull() && isa<TagType>(BaseType) &&
246 cast<TagType>(BaseType)->getDecl() == Decls[0]) {
247 Decls.push_back(*D);
248 continue;
249 }
250 }
251
252 // If we have a merged group waiting to be handled, handle it now.
253 if (!Decls.empty())
254 ProcessDeclGroup(Decls);
255
256 // If the current declaration is an unnamed tag type, save it
257 // so we can merge it with the subsequent declaration(s) using it.
258 if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->getIdentifier()) {
259 Decls.push_back(*D);
260 continue;
261 }
Abramo Bagnara6206d532010-06-05 05:09:32 +0000262
263 if (isa<AccessSpecDecl>(*D)) {
264 Indentation -= Policy.Indentation;
265 this->Indent();
266 Print(D->getAccess());
267 Out << ":\n";
268 Indentation += Policy.Indentation;
269 continue;
270 }
271
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000272 this->Indent();
273 Visit(*D);
Mike Stump1eb44332009-09-09 15:08:12 +0000274
275 // FIXME: Need to be able to tell the DeclPrinter when
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000276 const char *Terminator = 0;
Mike Stump1eb44332009-09-09 15:08:12 +0000277 if (isa<FunctionDecl>(*D) &&
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000278 cast<FunctionDecl>(*D)->isThisDeclarationADefinition())
279 Terminator = 0;
Douglas Gregor64f65002009-05-30 00:56:08 +0000280 else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody())
281 Terminator = 0;
282 else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
Mike Stump1eb44332009-09-09 15:08:12 +0000283 isa<ObjCImplementationDecl>(*D) ||
Douglas Gregor64f65002009-05-30 00:56:08 +0000284 isa<ObjCInterfaceDecl>(*D) ||
285 isa<ObjCProtocolDecl>(*D) ||
286 isa<ObjCCategoryImplDecl>(*D) ||
287 isa<ObjCCategoryDecl>(*D))
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000288 Terminator = 0;
289 else if (isa<EnumConstantDecl>(*D)) {
290 DeclContext::decl_iterator Next = D;
291 ++Next;
292 if (Next != DEnd)
293 Terminator = ",";
294 } else
295 Terminator = ";";
296
297 if (Terminator)
298 Out << Terminator;
299 Out << "\n";
300 }
301
Eli Friedman42f42c02009-05-30 04:20:30 +0000302 if (!Decls.empty())
303 ProcessDeclGroup(Decls);
304
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000305 if (Indent)
306 Indentation -= Policy.Indentation;
307}
308
309void DeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
310 VisitDeclContext(D, false);
311}
312
313void DeclPrinter::VisitTypedefDecl(TypedefDecl *D) {
314 std::string S = D->getNameAsString();
315 D->getUnderlyingType().getAsStringInternal(S, Policy);
Douglas Gregor8d267c52011-09-09 02:06:17 +0000316 if (!Policy.SuppressSpecifiers) {
Eli Friedman42f42c02009-05-30 04:20:30 +0000317 Out << "typedef ";
Douglas Gregor8d267c52011-09-09 02:06:17 +0000318
319 if (D->isModulePrivate())
320 Out << "__module_private__ ";
321 }
Eli Friedman42f42c02009-05-30 04:20:30 +0000322 Out << S;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000323}
324
Richard Smith162e1c12011-04-15 14:24:37 +0000325void DeclPrinter::VisitTypeAliasDecl(TypeAliasDecl *D) {
326 Out << "using " << D->getNameAsString() << " = "
327 << D->getUnderlyingType().getAsString(Policy);
328}
329
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000330void DeclPrinter::VisitEnumDecl(EnumDecl *D) {
Douglas Gregor8d267c52011-09-09 02:06:17 +0000331 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
332 Out << "__module_private__ ";
Douglas Gregor9fa8c462010-12-01 16:01:08 +0000333 Out << "enum ";
Abramo Bagnaraa88cefd2010-12-03 18:54:17 +0000334 if (D->isScoped()) {
335 if (D->isScopedUsingClassTag())
336 Out << "class ";
337 else
338 Out << "struct ";
339 }
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000340 Out << *D;
Douglas Gregor9fa8c462010-12-01 16:01:08 +0000341
342 if (D->isFixed()) {
343 std::string Underlying;
344 D->getIntegerType().getAsStringInternal(Underlying, Policy);
345 Out << " : " << Underlying;
346 }
347
John McCall5e1cdac2011-10-07 06:10:15 +0000348 if (D->isCompleteDefinition()) {
Douglas Gregor9fa8c462010-12-01 16:01:08 +0000349 Out << " {\n";
350 VisitDeclContext(D);
351 Indent() << "}";
352 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000353}
354
355void DeclPrinter::VisitRecordDecl(RecordDecl *D) {
Douglas Gregor8d267c52011-09-09 02:06:17 +0000356 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
357 Out << "__module_private__ ";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000358 Out << D->getKindName();
Benjamin Kramer900fc632010-04-17 09:33:03 +0000359 if (D->getIdentifier())
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000360 Out << ' ' << *D;
Mike Stump1eb44332009-09-09 15:08:12 +0000361
John McCall5e1cdac2011-10-07 06:10:15 +0000362 if (D->isCompleteDefinition()) {
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000363 Out << " {\n";
364 VisitDeclContext(D);
365 Indent() << "}";
366 }
367}
368
369void DeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000370 Out << *D;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000371 if (Expr *Init = D->getInitExpr()) {
372 Out << " = ";
Eli Friedman48d14a22009-05-30 05:03:24 +0000373 Init->printPretty(Out, Context, 0, Policy, Indentation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000374 }
375}
376
Mike Stump1eb44332009-09-09 15:08:12 +0000377void DeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
Eli Friedman42f42c02009-05-30 04:20:30 +0000378 if (!Policy.SuppressSpecifiers) {
Peter Collingbourne13330c42011-11-08 02:52:52 +0000379 switch (D->getStorageClassAsWritten()) {
John McCalld931b082010-08-26 03:08:43 +0000380 case SC_None: break;
381 case SC_Extern: Out << "extern "; break;
382 case SC_Static: Out << "static "; break;
383 case SC_PrivateExtern: Out << "__private_extern__ "; break;
Peter Collingbourne8c25fc52011-09-19 21:14:35 +0000384 case SC_Auto: case SC_Register: case SC_OpenCLWorkGroupLocal:
385 llvm_unreachable("invalid for functions");
Eli Friedman42f42c02009-05-30 04:20:30 +0000386 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000387
Douglas Gregor8d267c52011-09-09 02:06:17 +0000388 if (D->isInlineSpecified()) Out << "inline ";
Eli Friedman42f42c02009-05-30 04:20:30 +0000389 if (D->isVirtualAsWritten()) Out << "virtual ";
Douglas Gregor8d267c52011-09-09 02:06:17 +0000390 if (D->isModulePrivate()) Out << "__module_private__ ";
Eli Friedman42f42c02009-05-30 04:20:30 +0000391 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000392
Douglas Gregor6620a622009-05-30 05:39:39 +0000393 PrintingPolicy SubPolicy(Policy);
394 SubPolicy.SuppressSpecifiers = false;
Abramo Bagnara25777432010-08-11 22:01:17 +0000395 std::string Proto = D->getNameInfo().getAsString();
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000396
Abramo Bagnara723df242010-12-14 22:11:44 +0000397 QualType Ty = D->getType();
John McCallf4c73712011-01-19 06:33:43 +0000398 while (const ParenType *PT = dyn_cast<ParenType>(Ty)) {
Abramo Bagnara723df242010-12-14 22:11:44 +0000399 Proto = '(' + Proto + ')';
400 Ty = PT->getInnerType();
401 }
402
403 if (isa<FunctionType>(Ty)) {
404 const FunctionType *AFT = Ty->getAs<FunctionType>();
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000405 const FunctionProtoType *FT = 0;
406 if (D->hasWrittenPrototype())
407 FT = dyn_cast<FunctionProtoType>(AFT);
408
409 Proto += "(";
410 if (FT) {
411 llvm::raw_string_ostream POut(Proto);
Douglas Gregor6620a622009-05-30 05:39:39 +0000412 DeclPrinter ParamPrinter(POut, Context, SubPolicy, Indentation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000413 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
414 if (i) POut << ", ";
415 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
416 }
Mike Stump1eb44332009-09-09 15:08:12 +0000417
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000418 if (FT->isVariadic()) {
419 if (D->getNumParams()) POut << ", ";
420 POut << "...";
421 }
Sean Hunt10620eb2011-05-06 20:44:56 +0000422 } else if (D->doesThisDeclarationHaveABody() && !D->hasPrototype()) {
Eli Friedman42f42c02009-05-30 04:20:30 +0000423 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
424 if (i)
425 Proto += ", ";
426 Proto += D->getParamDecl(i)->getNameAsString();
427 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000428 }
429
430 Proto += ")";
Douglas Gregor0ae7b3f2009-12-08 17:45:32 +0000431
Douglas Gregorb95cfe42010-11-19 18:44:34 +0000432 if (FT && FT->getTypeQuals()) {
433 unsigned TypeQuals = FT->getTypeQuals();
434 if (TypeQuals & Qualifiers::Const)
435 Proto += " const";
436 if (TypeQuals & Qualifiers::Volatile)
437 Proto += " volatile";
438 if (TypeQuals & Qualifiers::Restrict)
439 Proto += " restrict";
440 }
Sebastian Redl60618fa2011-03-12 11:50:43 +0000441
442 if (FT && FT->hasDynamicExceptionSpec()) {
Douglas Gregor0ae7b3f2009-12-08 17:45:32 +0000443 Proto += " throw(";
Sebastian Redl60618fa2011-03-12 11:50:43 +0000444 if (FT->getExceptionSpecType() == EST_MSAny)
Douglas Gregor0ae7b3f2009-12-08 17:45:32 +0000445 Proto += "...";
446 else
447 for (unsigned I = 0, N = FT->getNumExceptions(); I != N; ++I) {
448 if (I)
449 Proto += ", ";
Sebastian Redl60618fa2011-03-12 11:50:43 +0000450
Douglas Gregor0ae7b3f2009-12-08 17:45:32 +0000451 std::string ExceptionType;
452 FT->getExceptionType(I).getAsStringInternal(ExceptionType, SubPolicy);
453 Proto += ExceptionType;
454 }
455 Proto += ")";
Sebastian Redl60618fa2011-03-12 11:50:43 +0000456 } else if (FT && isNoexceptExceptionSpec(FT->getExceptionSpecType())) {
457 Proto += " noexcept";
458 if (FT->getExceptionSpecType() == EST_ComputedNoexcept) {
459 Proto += "(";
460 llvm::raw_string_ostream EOut(Proto);
461 FT->getNoexceptExpr()->printPretty(EOut, Context, 0, SubPolicy,
462 Indentation);
463 EOut.flush();
464 Proto += EOut.str();
465 Proto += ")";
466 }
Douglas Gregor0ae7b3f2009-12-08 17:45:32 +0000467 }
468
Mike Stumpfd350b52009-07-27 21:33:40 +0000469 if (D->hasAttr<NoReturnAttr>())
470 Proto += " __attribute((noreturn))";
Rafael Espindola67004152011-10-12 19:51:18 +0000471
472 if (D->hasAttr<ReturnsTwiceAttr>())
473 Proto += " __attribute((returns_twice))";
474
Fariborz Jahanian66192ad2009-07-13 20:18:13 +0000475 if (CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D)) {
Richard Smith7a614d82011-06-11 17:19:42 +0000476 bool HasInitializerList = false;
477 for (CXXConstructorDecl::init_const_iterator B = CDecl->init_begin(),
478 E = CDecl->init_end();
479 B != E; ++B) {
480 CXXCtorInitializer * BMInitializer = (*B);
481 if (BMInitializer->isInClassMemberInitializer())
482 continue;
483
484 if (!HasInitializerList) {
485 Proto += " : ";
486 Out << Proto;
487 Proto.clear();
488 HasInitializerList = true;
489 } else
490 Out << ", ";
491
492 if (BMInitializer->isAnyMemberInitializer()) {
493 FieldDecl *FD = BMInitializer->getAnyMember();
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000494 Out << *FD;
Richard Smith7a614d82011-06-11 17:19:42 +0000495 } else {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000496 Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy);
Richard Smith7a614d82011-06-11 17:19:42 +0000497 }
498
499 Out << "(";
500 if (!BMInitializer->getInit()) {
501 // Nothing to print
502 } else {
503 Expr *Init = BMInitializer->getInit();
504 if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
505 Init = Tmp->getSubExpr();
Douglas Gregor9db7dbb2010-01-31 09:12:51 +0000506
Richard Smith7a614d82011-06-11 17:19:42 +0000507 Init = Init->IgnoreParens();
508
509 Expr *SimpleInit = 0;
510 Expr **Args = 0;
511 unsigned NumArgs = 0;
512 if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
513 Args = ParenList->getExprs();
514 NumArgs = ParenList->getNumExprs();
515 } else if (CXXConstructExpr *Construct
516 = dyn_cast<CXXConstructExpr>(Init)) {
517 Args = Construct->getArgs();
518 NumArgs = Construct->getNumArgs();
519 } else
520 SimpleInit = Init;
521
522 if (SimpleInit)
523 SimpleInit->printPretty(Out, Context, 0, Policy, Indentation);
524 else {
525 for (unsigned I = 0; I != NumArgs; ++I) {
526 if (isa<CXXDefaultArgExpr>(Args[I]))
527 break;
528
529 if (I)
530 Out << ", ";
531 Args[I]->printPretty(Out, Context, 0, Policy, Indentation);
Fariborz Jahanian66192ad2009-07-13 20:18:13 +0000532 }
Douglas Gregor9db7dbb2010-01-31 09:12:51 +0000533 }
Fariborz Jahanian66192ad2009-07-13 20:18:13 +0000534 }
Richard Smith7a614d82011-06-11 17:19:42 +0000535 Out << ")";
Fariborz Jahanian66192ad2009-07-13 20:18:13 +0000536 }
537 }
538 else
539 AFT->getResultType().getAsStringInternal(Proto, Policy);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000540 } else {
Abramo Bagnara723df242010-12-14 22:11:44 +0000541 Ty.getAsStringInternal(Proto, Policy);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000542 }
543
544 Out << Proto;
545
546 if (D->isPure())
547 Out << " = 0";
Sean Hunt10620eb2011-05-06 20:44:56 +0000548 else if (D->isDeletedAsWritten())
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000549 Out << " = delete";
Sean Hunt10620eb2011-05-06 20:44:56 +0000550 else if (D->doesThisDeclarationHaveABody()) {
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000551 if (!D->hasPrototype() && D->getNumParams()) {
552 // This is a K&R function definition, so we need to print the
553 // parameters.
554 Out << '\n';
Douglas Gregor6620a622009-05-30 05:39:39 +0000555 DeclPrinter ParamPrinter(Out, Context, SubPolicy, Indentation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000556 Indentation += Policy.Indentation;
557 for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
558 Indent();
Douglas Gregor6620a622009-05-30 05:39:39 +0000559 ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000560 Out << ";\n";
561 }
562 Indentation -= Policy.Indentation;
563 } else
564 Out << ' ';
565
Argyrios Kyrtzidis6fb0aee2009-06-30 02:35:26 +0000566 D->getBody()->printPretty(Out, Context, 0, SubPolicy, Indentation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000567 Out << '\n';
568 }
569}
570
571void DeclPrinter::VisitFieldDecl(FieldDecl *D) {
Eli Friedman42f42c02009-05-30 04:20:30 +0000572 if (!Policy.SuppressSpecifiers && D->isMutable())
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000573 Out << "mutable ";
Douglas Gregor8d267c52011-09-09 02:06:17 +0000574 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
575 Out << "__module_private__ ";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000576
577 std::string Name = D->getNameAsString();
578 D->getType().getAsStringInternal(Name, Policy);
579 Out << Name;
580
581 if (D->isBitField()) {
582 Out << " : ";
Eli Friedman48d14a22009-05-30 05:03:24 +0000583 D->getBitWidth()->printPretty(Out, Context, 0, Policy, Indentation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000584 }
Richard Smith7a614d82011-06-11 17:19:42 +0000585
586 Expr *Init = D->getInClassInitializer();
587 if (!Policy.SuppressInitializers && Init) {
588 Out << " = ";
589 Init->printPretty(Out, Context, 0, Policy, Indentation);
590 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000591}
592
Chris Lattner57ad3782011-02-17 20:34:02 +0000593void DeclPrinter::VisitLabelDecl(LabelDecl *D) {
594 Out << D->getNameAsString() << ":";
595}
596
597
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000598void DeclPrinter::VisitVarDecl(VarDecl *D) {
Peter Collingbourne13330c42011-11-08 02:52:52 +0000599 StorageClass SCAsWritten = D->getStorageClassAsWritten();
600 if (!Policy.SuppressSpecifiers && SCAsWritten != SC_None)
601 Out << VarDecl::getStorageClassSpecifierString(SCAsWritten) << " ";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000602
Eli Friedman42f42c02009-05-30 04:20:30 +0000603 if (!Policy.SuppressSpecifiers && D->isThreadSpecified())
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000604 Out << "__thread ";
Douglas Gregor8d267c52011-09-09 02:06:17 +0000605 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
606 Out << "__module_private__ ";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000607
608 std::string Name = D->getNameAsString();
609 QualType T = D->getType();
John McCall58e46772009-10-23 21:48:59 +0000610 if (ParmVarDecl *Parm = dyn_cast<ParmVarDecl>(D))
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000611 T = Parm->getOriginalType();
612 T.getAsStringInternal(Name, Policy);
613 Out << Name;
Richard Smithad762fc2011-04-14 22:09:26 +0000614 Expr *Init = D->getInit();
615 if (!Policy.SuppressInitializers && Init) {
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000616 if (D->hasCXXDirectInitializer())
617 Out << "(";
Ted Kremenekc57d6552010-09-17 23:04:38 +0000618 else {
619 CXXConstructExpr *CCE = dyn_cast<CXXConstructExpr>(Init);
Jim Goodnow II5eca37c2011-10-30 11:17:39 +0000620 if (!CCE || CCE->getConstructor()->isCopyOrMoveConstructor())
Ted Kremenekc57d6552010-09-17 23:04:38 +0000621 Out << " = ";
622 }
Ted Kremenekbccfd312010-09-07 22:21:59 +0000623 Init->printPretty(Out, Context, 0, Policy, Indentation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000624 if (D->hasCXXDirectInitializer())
625 Out << ")";
626 }
627}
628
629void DeclPrinter::VisitParmVarDecl(ParmVarDecl *D) {
630 VisitVarDecl(D);
631}
632
633void DeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
634 Out << "__asm (";
Eli Friedman48d14a22009-05-30 05:03:24 +0000635 D->getAsmString()->printPretty(Out, Context, 0, Policy, Indentation);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000636 Out << ")";
637}
638
Peter Collingbourne28ac87e2011-03-16 18:37:27 +0000639void DeclPrinter::VisitStaticAssertDecl(StaticAssertDecl *D) {
640 Out << "static_assert(";
641 D->getAssertExpr()->printPretty(Out, Context, 0, Policy, Indentation);
642 Out << ", ";
643 D->getMessage()->printPretty(Out, Context, 0, Policy, Indentation);
644 Out << ")";
645}
646
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000647//----------------------------------------------------------------------------
648// C++ declarations
649//----------------------------------------------------------------------------
Douglas Gregor59e63572009-05-30 06:58:37 +0000650void DeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000651 Out << "namespace " << *D << " {\n";
Douglas Gregor59e63572009-05-30 06:58:37 +0000652 VisitDeclContext(D);
653 Indent() << "}";
654}
655
Douglas Gregor8419fa32009-05-30 06:31:56 +0000656void DeclPrinter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
657 Out << "using namespace ";
658 if (D->getQualifier())
659 D->getQualifier()->print(Out, Policy);
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000660 Out << *D->getNominatedNamespaceAsWritten();
Douglas Gregor8419fa32009-05-30 06:31:56 +0000661}
662
Douglas Gregor6c9c9402009-05-30 06:48:27 +0000663void DeclPrinter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000664 Out << "namespace " << *D << " = ";
Douglas Gregor6c9c9402009-05-30 06:48:27 +0000665 if (D->getQualifier())
666 D->getQualifier()->print(Out, Policy);
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000667 Out << *D->getAliasedNamespace();
Douglas Gregor6c9c9402009-05-30 06:48:27 +0000668}
669
Douglas Gregor59e63572009-05-30 06:58:37 +0000670void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
Douglas Gregor8d267c52011-09-09 02:06:17 +0000671 if (!Policy.SuppressSpecifiers && D->isModulePrivate())
672 Out << "__module_private__ ";
Douglas Gregor59e63572009-05-30 06:58:37 +0000673 Out << D->getKindName();
Benjamin Kramer900fc632010-04-17 09:33:03 +0000674 if (D->getIdentifier())
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000675 Out << ' ' << *D;
Mike Stump1eb44332009-09-09 15:08:12 +0000676
John McCall5e1cdac2011-10-07 06:10:15 +0000677 if (D->isCompleteDefinition()) {
Douglas Gregor59e63572009-05-30 06:58:37 +0000678 // Print the base classes
679 if (D->getNumBases()) {
680 Out << " : ";
Mike Stump1eb44332009-09-09 15:08:12 +0000681 for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(),
682 BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) {
Douglas Gregor59e63572009-05-30 06:58:37 +0000683 if (Base != D->bases_begin())
684 Out << ", ";
685
686 if (Base->isVirtual())
687 Out << "virtual ";
688
Anders Carlsson018e9fe2009-08-29 20:36:12 +0000689 AccessSpecifier AS = Base->getAccessSpecifierAsWritten();
690 if (AS != AS_none)
691 Print(AS);
Anders Carlsson0d592922009-08-28 22:39:52 +0000692 Out << " " << Base->getType().getAsString(Policy);
Douglas Gregor34a99e72011-04-27 17:07:55 +0000693
694 if (Base->isPackExpansion())
695 Out << "...";
Douglas Gregor59e63572009-05-30 06:58:37 +0000696 }
697 }
698
699 // Print the class definition
Douglas Gregorf757ae72009-05-31 07:13:39 +0000700 // FIXME: Doesn't print access specifiers, e.g., "public:"
Douglas Gregor59e63572009-05-30 06:58:37 +0000701 Out << " {\n";
702 VisitDeclContext(D);
703 Indent() << "}";
Mike Stump1eb44332009-09-09 15:08:12 +0000704 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000705}
706
707void DeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
708 const char *l;
709 if (D->getLanguage() == LinkageSpecDecl::lang_c)
710 l = "C";
711 else {
712 assert(D->getLanguage() == LinkageSpecDecl::lang_cxx &&
713 "unknown language in linkage specification");
714 l = "C++";
715 }
716
717 Out << "extern \"" << l << "\" ";
718 if (D->hasBraces()) {
719 Out << "{\n";
720 VisitDeclContext(D);
721 Indent() << "}";
722 } else
Argyrios Kyrtzidis17945a02009-06-30 02:36:12 +0000723 Visit(*D->decls_begin());
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000724}
725
Richard Trieu5cb3d692011-07-28 00:19:05 +0000726void DeclPrinter::PrintTemplateParameters(
727 const TemplateParameterList *Params, const TemplateArgumentList *Args = 0) {
728 assert(Params);
729 assert(!Args || Params->size() == Args->size());
730
Anders Carlsson0487f662009-06-04 05:37:43 +0000731 Out << "template <";
Mike Stump1eb44332009-09-09 15:08:12 +0000732
Anders Carlsson0487f662009-06-04 05:37:43 +0000733 for (unsigned i = 0, e = Params->size(); i != e; ++i) {
734 if (i != 0)
735 Out << ", ";
Mike Stump1eb44332009-09-09 15:08:12 +0000736
Anders Carlsson0487f662009-06-04 05:37:43 +0000737 const Decl *Param = Params->getParam(i);
Mike Stump1eb44332009-09-09 15:08:12 +0000738 if (const TemplateTypeParmDecl *TTP =
Anders Carlsson0487f662009-06-04 05:37:43 +0000739 dyn_cast<TemplateTypeParmDecl>(Param)) {
Mike Stump1eb44332009-09-09 15:08:12 +0000740
Anders Carlsson0487f662009-06-04 05:37:43 +0000741 if (TTP->wasDeclaredWithTypename())
742 Out << "typename ";
743 else
744 Out << "class ";
745
Anders Carlsson6d845ae2009-06-12 22:23:22 +0000746 if (TTP->isParameterPack())
747 Out << "... ";
Mike Stump1eb44332009-09-09 15:08:12 +0000748
Chandler Carruth4fb86f82011-05-01 00:51:33 +0000749 Out << TTP->getNameAsString();
Anders Carlsson0487f662009-06-04 05:37:43 +0000750
Richard Trieu5cb3d692011-07-28 00:19:05 +0000751 if (Args) {
752 Out << " = ";
753 Args->get(i).print(Policy, Out);
754 } else if (TTP->hasDefaultArgument()) {
Anders Carlsson0487f662009-06-04 05:37:43 +0000755 Out << " = ";
756 Out << TTP->getDefaultArgument().getAsString(Policy);
757 };
Mike Stump1eb44332009-09-09 15:08:12 +0000758 } else if (const NonTypeTemplateParmDecl *NTTP =
Anders Carlsson0487f662009-06-04 05:37:43 +0000759 dyn_cast<NonTypeTemplateParmDecl>(Param)) {
760 Out << NTTP->getType().getAsString(Policy);
761
Douglas Gregor56bc9832010-12-24 00:15:10 +0000762 if (NTTP->isParameterPack() && !isa<PackExpansionType>(NTTP->getType()))
763 Out << "...";
764
Anders Carlsson0487f662009-06-04 05:37:43 +0000765 if (IdentifierInfo *Name = NTTP->getIdentifier()) {
766 Out << ' ';
767 Out << Name->getName();
768 }
Mike Stump1eb44332009-09-09 15:08:12 +0000769
Richard Trieu5cb3d692011-07-28 00:19:05 +0000770 if (Args) {
771 Out << " = ";
772 Args->get(i).print(Policy, Out);
773 } else if (NTTP->hasDefaultArgument()) {
Anders Carlsson0487f662009-06-04 05:37:43 +0000774 Out << " = ";
Mike Stump1eb44332009-09-09 15:08:12 +0000775 NTTP->getDefaultArgument()->printPretty(Out, Context, 0, Policy,
Anders Carlsson0487f662009-06-04 05:37:43 +0000776 Indentation);
777 }
Richard Smith98a57862011-04-15 13:38:57 +0000778 } else if (const TemplateTemplateParmDecl *TTPD =
779 dyn_cast<TemplateTemplateParmDecl>(Param)) {
780 VisitTemplateDecl(TTPD);
781 // FIXME: print the default argument, if present.
Anders Carlsson0487f662009-06-04 05:37:43 +0000782 }
783 }
Mike Stump1eb44332009-09-09 15:08:12 +0000784
Anders Carlsson0487f662009-06-04 05:37:43 +0000785 Out << "> ";
Richard Trieu5cb3d692011-07-28 00:19:05 +0000786}
787
788void DeclPrinter::VisitTemplateDecl(const TemplateDecl *D) {
789 PrintTemplateParameters(D->getTemplateParameters());
Anders Carlsson0487f662009-06-04 05:37:43 +0000790
Richard Smith98a57862011-04-15 13:38:57 +0000791 if (const TemplateTemplateParmDecl *TTP =
792 dyn_cast<TemplateTemplateParmDecl>(D)) {
Douglas Gregor61c4d282011-01-05 15:48:55 +0000793 Out << "class ";
794 if (TTP->isParameterPack())
795 Out << "...";
796 Out << D->getName();
Craig Silverstein0193a722010-07-09 20:25:10 +0000797 } else {
798 Visit(D->getTemplatedDecl());
799 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000800}
801
Richard Trieu5cb3d692011-07-28 00:19:05 +0000802void DeclPrinter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
803 if (PrintInstantiation) {
804 TemplateParameterList *Params = D->getTemplateParameters();
805 for (FunctionTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end();
806 I != E; ++I) {
807 PrintTemplateParameters(Params, (*I)->getTemplateSpecializationArgs());
808 Visit(*I);
809 }
810 }
811
812 return VisitRedeclarableTemplateDecl(D);
813}
814
815void DeclPrinter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
816 if (PrintInstantiation) {
817 TemplateParameterList *Params = D->getTemplateParameters();
818 for (ClassTemplateDecl::spec_iterator I = D->spec_begin(), E = D->spec_end();
819 I != E; ++I) {
820 PrintTemplateParameters(Params, &(*I)->getTemplateArgs());
821 Visit(*I);
822 Out << '\n';
823 }
824 }
825
826 return VisitRedeclarableTemplateDecl(D);
827}
828
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000829//----------------------------------------------------------------------------
830// Objective-C declarations
831//----------------------------------------------------------------------------
832
833void DeclPrinter::VisitObjCClassDecl(ObjCClassDecl *D) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000834 Out << "@class " << *D->getForwardInterfaceDecl();
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000835}
836
837void DeclPrinter::VisitObjCMethodDecl(ObjCMethodDecl *OMD) {
838 if (OMD->isInstanceMethod())
Douglas Gregor64f65002009-05-30 00:56:08 +0000839 Out << "- ";
Mike Stump1eb44332009-09-09 15:08:12 +0000840 else
Douglas Gregor64f65002009-05-30 00:56:08 +0000841 Out << "+ ";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000842 if (!OMD->getResultType().isNull())
Douglas Gregor59e63572009-05-30 06:58:37 +0000843 Out << '(' << OMD->getResultType().getAsString(Policy) << ")";
Mike Stump1eb44332009-09-09 15:08:12 +0000844
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000845 std::string name = OMD->getSelector().getAsString();
846 std::string::size_type pos, lastPos = 0;
847 for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(),
848 E = OMD->param_end(); PI != E; ++PI) {
Mike Stump1eb44332009-09-09 15:08:12 +0000849 // FIXME: selector is missing here!
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000850 pos = name.find_first_of(':', lastPos);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000851 Out << " " << name.substr(lastPos, pos - lastPos);
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000852 Out << ":(" << (*PI)->getType().getAsString(Policy) << ')' << **PI;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000853 lastPos = pos + 1;
854 }
Mike Stump1eb44332009-09-09 15:08:12 +0000855
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000856 if (OMD->param_begin() == OMD->param_end())
857 Out << " " << name;
Mike Stump1eb44332009-09-09 15:08:12 +0000858
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000859 if (OMD->isVariadic())
860 Out << ", ...";
Mike Stump1eb44332009-09-09 15:08:12 +0000861
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000862 if (OMD->getBody()) {
863 Out << ' ';
Eli Friedman48d14a22009-05-30 05:03:24 +0000864 OMD->getBody()->printPretty(Out, Context, 0, Policy);
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000865 Out << '\n';
Douglas Gregor64f65002009-05-30 00:56:08 +0000866 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000867}
868
869void DeclPrinter::VisitObjCImplementationDecl(ObjCImplementationDecl *OID) {
870 std::string I = OID->getNameAsString();
871 ObjCInterfaceDecl *SID = OID->getSuperClass();
872
873 if (SID)
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000874 Out << "@implementation " << I << " : " << *SID;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000875 else
876 Out << "@implementation " << I;
Douglas Gregor64f65002009-05-30 00:56:08 +0000877 Out << "\n";
878 VisitDeclContext(OID, false);
879 Out << "@end";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000880}
881
882void DeclPrinter::VisitObjCInterfaceDecl(ObjCInterfaceDecl *OID) {
883 std::string I = OID->getNameAsString();
884 ObjCInterfaceDecl *SID = OID->getSuperClass();
885
886 if (SID)
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000887 Out << "@interface " << I << " : " << *SID;
Douglas Gregordeacbdc2010-08-11 12:19:30 +0000888 else
889 Out << "@interface " << I;
Mike Stump1eb44332009-09-09 15:08:12 +0000890
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000891 // Protocols?
892 const ObjCList<ObjCProtocolDecl> &Protocols = OID->getReferencedProtocols();
893 if (!Protocols.empty()) {
894 for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(),
895 E = Protocols.end(); I != E; ++I)
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000896 Out << (I == Protocols.begin() ? '<' : ',') << **I;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000897 }
Mike Stump1eb44332009-09-09 15:08:12 +0000898
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000899 if (!Protocols.empty())
Douglas Gregor64f65002009-05-30 00:56:08 +0000900 Out << "> ";
Mike Stump1eb44332009-09-09 15:08:12 +0000901
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000902 if (OID->ivar_size() > 0) {
Douglas Gregor64f65002009-05-30 00:56:08 +0000903 Out << "{\n";
904 Indentation += Policy.Indentation;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000905 for (ObjCInterfaceDecl::ivar_iterator I = OID->ivar_begin(),
906 E = OID->ivar_end(); I != E; ++I) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000907 Indent() << (*I)->getType().getAsString(Policy) << ' ' << **I << ";\n";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000908 }
Douglas Gregor64f65002009-05-30 00:56:08 +0000909 Indentation -= Policy.Indentation;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000910 Out << "}\n";
911 }
Mike Stump1eb44332009-09-09 15:08:12 +0000912
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000913 VisitDeclContext(OID, false);
Douglas Gregor64f65002009-05-30 00:56:08 +0000914 Out << "@end";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000915 // FIXME: implement the rest...
916}
917
918void DeclPrinter::VisitObjCForwardProtocolDecl(ObjCForwardProtocolDecl *D) {
919 Out << "@protocol ";
Mike Stump1eb44332009-09-09 15:08:12 +0000920 for (ObjCForwardProtocolDecl::protocol_iterator I = D->protocol_begin(),
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000921 E = D->protocol_end();
922 I != E; ++I) {
923 if (I != D->protocol_begin()) Out << ", ";
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000924 Out << **I;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000925 }
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000926}
927
928void DeclPrinter::VisitObjCProtocolDecl(ObjCProtocolDecl *PID) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000929 Out << "@protocol " << *PID << '\n';
Douglas Gregor64f65002009-05-30 00:56:08 +0000930 VisitDeclContext(PID, false);
931 Out << "@end";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000932}
933
934void DeclPrinter::VisitObjCCategoryImplDecl(ObjCCategoryImplDecl *PID) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000935 Out << "@implementation " << *PID->getClassInterface() << '(' << *PID <<")\n";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000936
937 VisitDeclContext(PID, false);
Douglas Gregor64f65002009-05-30 00:56:08 +0000938 Out << "@end";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000939 // FIXME: implement the rest...
940}
941
942void DeclPrinter::VisitObjCCategoryDecl(ObjCCategoryDecl *PID) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000943 Out << "@interface " << *PID->getClassInterface() << '(' << *PID << ")\n";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000944 VisitDeclContext(PID, false);
Douglas Gregor64f65002009-05-30 00:56:08 +0000945 Out << "@end";
Mike Stump1eb44332009-09-09 15:08:12 +0000946
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000947 // FIXME: implement the rest...
948}
949
950void DeclPrinter::VisitObjCCompatibleAliasDecl(ObjCCompatibleAliasDecl *AID) {
Benjamin Kramerb8989f22011-10-14 18:45:37 +0000951 Out << "@compatibility_alias " << *AID
952 << ' ' << *AID->getClassInterface() << ";\n";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000953}
954
955/// PrintObjCPropertyDecl - print a property declaration.
956///
957void DeclPrinter::VisitObjCPropertyDecl(ObjCPropertyDecl *PDecl) {
958 if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Required)
959 Out << "@required\n";
960 else if (PDecl->getPropertyImplementation() == ObjCPropertyDecl::Optional)
961 Out << "@optional\n";
Mike Stump1eb44332009-09-09 15:08:12 +0000962
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000963 Out << "@property";
964 if (PDecl->getPropertyAttributes() != ObjCPropertyDecl::OBJC_PR_noattr) {
965 bool first = true;
966 Out << " (";
Mike Stump1eb44332009-09-09 15:08:12 +0000967 if (PDecl->getPropertyAttributes() &
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +0000968 ObjCPropertyDecl::OBJC_PR_readonly) {
969 Out << (first ? ' ' : ',') << "readonly";
970 first = false;
Ted Kremenek07c682a2011-08-17 21:09:35 +0000971 }
Mike Stump1eb44332009-09-09 15:08:12 +0000972
Ted Kremenek07c682a2011-08-17 21:09:35 +0000973 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) {
974 Out << (first ? ' ' : ',') << "getter = "
975 << PDecl->getGetterName().getAsString();
976 first = false;
977 }
978 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) {
979 Out << (first ? ' ' : ',') << "setter = "
980 << PDecl->getSetterName().getAsString();
981 first = false;
982 }
Mike Stump1eb44332009-09-09 15:08:12 +0000983
Ted Kremenek07c682a2011-08-17 21:09:35 +0000984 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_assign) {
985 Out << (first ? ' ' : ',') << "assign";
986 first = false;
987 }
Mike Stump1eb44332009-09-09 15:08:12 +0000988
Ted Kremenek07c682a2011-08-17 21:09:35 +0000989 if (PDecl->getPropertyAttributes() &
990 ObjCPropertyDecl::OBJC_PR_readwrite) {
991 Out << (first ? ' ' : ',') << "readwrite";
992 first = false;
993 }
Mike Stump1eb44332009-09-09 15:08:12 +0000994
Ted Kremenek07c682a2011-08-17 21:09:35 +0000995 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_retain) {
996 Out << (first ? ' ' : ',') << "retain";
997 first = false;
998 }
Mike Stump1eb44332009-09-09 15:08:12 +0000999
Ted Kremenek07c682a2011-08-17 21:09:35 +00001000 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_strong) {
1001 Out << (first ? ' ' : ',') << "strong";
1002 first = false;
1003 }
John McCallf85e1932011-06-15 23:02:42 +00001004
Ted Kremenek07c682a2011-08-17 21:09:35 +00001005 if (PDecl->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_copy) {
1006 Out << (first ? ' ' : ',') << "copy";
1007 first = false;
1008 }
Mike Stump1eb44332009-09-09 15:08:12 +00001009
Ted Kremenek07c682a2011-08-17 21:09:35 +00001010 if (PDecl->getPropertyAttributes() &
1011 ObjCPropertyDecl::OBJC_PR_nonatomic) {
1012 Out << (first ? ' ' : ',') << "nonatomic";
1013 first = false;
1014 }
1015 if (PDecl->getPropertyAttributes() &
1016 ObjCPropertyDecl::OBJC_PR_atomic) {
1017 Out << (first ? ' ' : ',') << "atomic";
1018 first = false;
1019 }
1020
1021 (void) first; // Silence dead store warning due to idiomatic code.
1022 Out << " )";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +00001023 }
Benjamin Kramerb8989f22011-10-14 18:45:37 +00001024 Out << ' ' << PDecl->getType().getAsString(Policy) << ' ' << *PDecl;
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +00001025}
1026
1027void DeclPrinter::VisitObjCPropertyImplDecl(ObjCPropertyImplDecl *PID) {
1028 if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Synthesize)
Douglas Gregor64f65002009-05-30 00:56:08 +00001029 Out << "@synthesize ";
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +00001030 else
Douglas Gregor64f65002009-05-30 00:56:08 +00001031 Out << "@dynamic ";
Benjamin Kramerb8989f22011-10-14 18:45:37 +00001032 Out << *PID->getPropertyDecl();
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +00001033 if (PID->getPropertyIvarDecl())
Benjamin Kramerb8989f22011-10-14 18:45:37 +00001034 Out << '=' << *PID->getPropertyIvarDecl();
Douglas Gregor4fe0c8e2009-05-30 00:08:05 +00001035}
Anders Carlssonf53eaa52009-08-28 19:16:39 +00001036
1037void DeclPrinter::VisitUsingDecl(UsingDecl *D) {
1038 Out << "using ";
Douglas Gregordc355712011-02-25 00:36:19 +00001039 D->getQualifier()->print(Out, Policy);
Benjamin Kramerb8989f22011-10-14 18:45:37 +00001040 Out << *D;
Anders Carlssonf53eaa52009-08-28 19:16:39 +00001041}
1042
John McCall7ba107a2009-11-18 02:36:19 +00001043void
1044DeclPrinter::VisitUnresolvedUsingTypenameDecl(UnresolvedUsingTypenameDecl *D) {
1045 Out << "using typename ";
Douglas Gregordc355712011-02-25 00:36:19 +00001046 D->getQualifier()->print(Out, Policy);
Benjamin Kramer900fc632010-04-17 09:33:03 +00001047 Out << D->getDeclName();
John McCall7ba107a2009-11-18 02:36:19 +00001048}
1049
1050void DeclPrinter::VisitUnresolvedUsingValueDecl(UnresolvedUsingValueDecl *D) {
Anders Carlssonf53eaa52009-08-28 19:16:39 +00001051 Out << "using ";
Douglas Gregordc355712011-02-25 00:36:19 +00001052 D->getQualifier()->print(Out, Policy);
Benjamin Kramer900fc632010-04-17 09:33:03 +00001053 Out << D->getDeclName();
Anders Carlssonf53eaa52009-08-28 19:16:39 +00001054}
John McCall9488ea12009-11-17 05:59:44 +00001055
1056void DeclPrinter::VisitUsingShadowDecl(UsingShadowDecl *D) {
1057 // ignore
1058}