cling/lib/Interpreter/ForwardDeclPrinter.cpp
2014-07-22 14:52:01 +02:00

865 lines
27 KiB
C++

#include "ForwardDeclPrinter.h"
namespace cling {
using namespace clang;
static QualType GetBaseType(QualType T) {
// FIXME: This should be on the Type class!
QualType BaseType = T;
while (!BaseType->isSpecifierType()) {
if (isa<TypedefType>(BaseType))
break;
else if (const PointerType* PTy = BaseType->getAs<PointerType>())
BaseType = PTy->getPointeeType();
else if (const BlockPointerType *BPy = BaseType->getAs<BlockPointerType>())
BaseType = BPy->getPointeeType();
else if (const ArrayType* ATy = dyn_cast<ArrayType>(BaseType))
BaseType = ATy->getElementType();
else if (const FunctionType* FTy = BaseType->getAs<FunctionType>())
BaseType = FTy->getReturnType();
else if (const VectorType *VTy = BaseType->getAs<VectorType>())
BaseType = VTy->getElementType();
else if (const ReferenceType *RTy = BaseType->getAs<ReferenceType>())
BaseType = RTy->getPointeeType();
else
llvm_unreachable("Unknown declarator!");
}
return BaseType;
}
static QualType getDeclType(Decl* D) {
if (TypedefNameDecl* TDD = dyn_cast<TypedefNameDecl>(D))
return TDD->getUnderlyingType();
if (ValueDecl* VD = dyn_cast<ValueDecl>(D))
return VD->getType();
return QualType();
}
raw_ostream& ForwardDeclPrinter::Indent(unsigned Indentation) {
for (unsigned i = 0; i != Indentation; ++i)
Out << " ";
return Out;
}
void ForwardDeclPrinter::prettyPrintAttributes(Decl *D) {
// if (Policy.PolishForDeclaration)
// return;
// if (D->hasAttrs()) {
// AttrVec &Attrs = D->getAttrs();
// for (AttrVec::const_iterator i=Attrs.begin(), e=Attrs.end(); i!=e; ++i) {
// Attr *A = *i;
// A->printPretty(Out, Policy);
// }
// }
//FIXME: This ignores previous attributes
//Do not simply uncomment the above code
//In some cases, it prints attribs without the strings at all
Out << " __attribute__((annotate(\""
<< m_SMgr.getFilename(D->getSourceRange().getBegin()) << "\"))) ";
}
void ForwardDeclPrinter::ProcessDeclGroup(SmallVectorImpl<Decl*>& Decls) {
this->Indent();
Decl::printGroup(Decls.data(), Decls.size(), Out, Policy, Indentation);
Out << ";\n";
Decls.clear();
}
void ForwardDeclPrinter::Print(AccessSpecifier AS) {
switch(AS) {
case AS_none: llvm_unreachable("No access specifier!");
case AS_public: Out << "public"; break;
case AS_protected: Out << "protected"; break;
case AS_private: Out << "private"; break;
}
}
//----------------------------------------------------------------------------
// Common C declarations
//----------------------------------------------------------------------------
void ForwardDeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
if (Policy.TerseOutput)
return;
if (Indent)
Indentation += Policy.Indentation;
SmallVector<Decl*, 2> Decls;
for (DeclContext::decl_iterator D = DC->decls_begin(), DEnd = DC->decls_end();
D != DEnd; ++D) {
// Don't print ObjCIvarDecls, as they are printed when visiting the
// containing ObjCInterfaceDecl.
if (isa<ObjCIvarDecl>(*D))
continue;
// Skip over implicit declarations in pretty-printing mode.
if (D->isImplicit())
continue;
// The next bits of code handles stuff like "struct {int x;} a,b"; we're
// forced to merge the declarations because there's no other way to
// refer to the struct in question. This limited merging is safe without
// a bunch of other checks because it only merges declarations directly
// referring to the tag, not typedefs.
//
// Check whether the current declaration should be grouped with a previous
// unnamed struct.
QualType CurDeclType = getDeclType(*D);
if (!Decls.empty() && !CurDeclType.isNull()) {
QualType BaseType = GetBaseType(CurDeclType);
if (!BaseType.isNull() && isa<ElaboratedType>(BaseType))
BaseType = cast<ElaboratedType>(BaseType)->getNamedType();
if (!BaseType.isNull() && isa<TagType>(BaseType) &&
cast<TagType>(BaseType)->getDecl() == Decls[0]) {
Decls.push_back(*D);
continue;
}
}
// If we have a merged group waiting to be handled, handle it now.
if (!Decls.empty())
ProcessDeclGroup(Decls);
// If the current declaration is an unnamed tag type, save it
// so we can merge it with the subsequent declaration(s) using it.
if (isa<TagDecl>(*D) && !cast<TagDecl>(*D)->getIdentifier()) {
Decls.push_back(*D);
continue;
}
if (isa<AccessSpecDecl>(*D)) {
Indentation -= Policy.Indentation;
this->Indent();
Print(D->getAccess());
Out << ":\n";
Indentation += Policy.Indentation;
continue;
}
this->Indent();
Visit(*D);
// FIXME: Need to be able to tell the FwdPrinter when
const char *Terminator = 0;
if (isa<OMPThreadPrivateDecl>(*D))
Terminator = 0;
else if (isa<FunctionDecl>(*D) &&
cast<FunctionDecl>(*D)->isThisDeclarationADefinition())
Terminator = 0;
else if (isa<ObjCMethodDecl>(*D) && cast<ObjCMethodDecl>(*D)->getBody())
Terminator = 0;
else if (isa<NamespaceDecl>(*D) || isa<LinkageSpecDecl>(*D) ||
isa<ObjCImplementationDecl>(*D) ||
isa<ObjCInterfaceDecl>(*D) ||
isa<ObjCProtocolDecl>(*D) ||
isa<ObjCCategoryImplDecl>(*D) ||
isa<ObjCCategoryDecl>(*D))
Terminator = 0;
else if (isa<EnumConstantDecl>(*D)) {
DeclContext::decl_iterator Next = D;
++Next;
if (Next != DEnd)
Terminator = ",";
} else
Terminator = ";";
if (Terminator)
Out << Terminator;
Out << "\n";
}
if (!Decls.empty())
ProcessDeclGroup(Decls);
if (Indent)
Indentation -= Policy.Indentation;
}
void ForwardDeclPrinter::VisitTranslationUnitDecl(TranslationUnitDecl *D) {
VisitDeclContext(D, false);
}
void ForwardDeclPrinter::VisitTypedefDecl(TypedefDecl *D) {
if (!Policy.SuppressSpecifiers) {
Out << "typedef ";
if (D->isModulePrivate())
Out << "__module_private__ ";
}
D->getTypeSourceInfo()->getType().print(Out, Policy, D->getName());
prettyPrintAttributes(D);
// Indent() << ";\n";
}
void ForwardDeclPrinter::VisitTypeAliasDecl(TypeAliasDecl *D) {
/*FIXME: Ugly Hack*/
// if(!D->getLexicalDeclContext()->isNamespace()
// && !D->getLexicalDeclContext()->isFileContext())
// return;
Out << "using " << *D;
prettyPrintAttributes(D);
Out << " = " << D->getTypeSourceInfo()->getType().getAsString(Policy);
// Indent() << ";\n";
}
void ForwardDeclPrinter::VisitEnumDecl(EnumDecl *D) {
if (D->getName().size() == 0) {
m_SkipFlag = true;
return;
}
if (!Policy.SuppressSpecifiers && D->isModulePrivate())
Out << "__module_private__ ";
Out << "enum ";
prettyPrintAttributes(D);
if (D->isScoped()) {
if (D->isScopedUsingClassTag())
Out << "class ";
else
Out << "struct ";
}
Out << *D;
// if (D->isFixed())
Out << " : " << D->getIntegerType().stream(Policy);
// if (D->isCompleteDefinition()) {
// Out << " {\n";
// VisitDeclContext(D);
// Indent() << "};\n";
// }
Indent() << ";\n";
}
void ForwardDeclPrinter::VisitRecordDecl(RecordDecl *D) {
if (!Policy.SuppressSpecifiers && D->isModulePrivate())
Out << "__module_private__ ";
Out << D->getKindName();
prettyPrintAttributes(D);
if (D->getIdentifier())
Out << ' ' << *D;
// if (D->isCompleteDefinition()) {
// Out << " {\n";
// VisitDeclContext(D);
// Indent() << "}";
// }
}
void ForwardDeclPrinter::VisitEnumConstantDecl(EnumConstantDecl *D) {
Out << *D;
if (Expr *Init = D->getInitExpr()) {
Out << " = ";
Init->printPretty(Out, 0, Policy, Indentation);
}
}
void ForwardDeclPrinter::VisitFunctionDecl(FunctionDecl *D) {
if (D->getNameAsString().size() == 0
|| D->getNameAsString()[0] == '_'
|| D->getStorageClass() == SC_Static
|| D->isCXXClassMember()) {
m_SkipFlag = true;
return;
}
CXXConstructorDecl *CDecl = dyn_cast<CXXConstructorDecl>(D);
CXXConversionDecl *ConversionDecl = dyn_cast<CXXConversionDecl>(D);
/*FIXME:Ugly Hack*/
// if (CDecl||ConversionDecl)
// return;
if (!Policy.SuppressSpecifiers) {
switch (D->getStorageClass()) {
case SC_None: break;
case SC_Extern: Out << "extern "; break;
case SC_Static: Out << "static "; break;
case SC_PrivateExtern: Out << "__private_extern__ "; break;
case SC_Auto: case SC_Register: case SC_OpenCLWorkGroupLocal:
llvm_unreachable("invalid for functions");
}
if (D->isInlineSpecified()) Out << "inline ";
if (D->isVirtualAsWritten()) Out << "virtual ";
if (D->isModulePrivate()) Out << "__module_private__ ";
if (D->isConstexpr() && !D->isExplicitlyDefaulted()) Out << "constexpr ";
if ((CDecl && CDecl->isExplicitSpecified()) ||
(ConversionDecl && ConversionDecl->isExplicit()))
Out << "explicit ";
}
PrintingPolicy SubPolicy(Policy);
SubPolicy.SuppressSpecifiers = false;
std::string Proto = D->getNameInfo().getAsString();
QualType Ty = D->getType();
while (const ParenType *PT = dyn_cast<ParenType>(Ty)) {
Proto = '(' + Proto + ')';
Ty = PT->getInnerType();
}
if (const FunctionType *AFT = Ty->getAs<FunctionType>()) {
const FunctionProtoType *FT = 0;
if (D->hasWrittenPrototype())
FT = dyn_cast<FunctionProtoType>(AFT);
Proto += "(";
if (FT) {
llvm::raw_string_ostream POut(Proto);
ForwardDeclPrinter ParamPrinter(POut, m_SMgr, SubPolicy, Indentation);
for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
if (i) POut << ", ";
ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
}
if (FT->isVariadic()) {
if (D->getNumParams()) POut << ", ";
POut << "...";
}
} else if (D->doesThisDeclarationHaveABody() && !D->hasPrototype()) {
for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
if (i)
Proto += ", ";
Proto += D->getParamDecl(i)->getNameAsString();
}
}
Proto += ")";
if (FT) {
if (FT->isConst())
Proto += " const";
if (FT->isVolatile())
Proto += " volatile";
if (FT->isRestrict())
Proto += " __restrict";
switch (FT->getRefQualifier()) {
case RQ_None:
break;
case RQ_LValue:
Proto += " &";
break;
case RQ_RValue:
Proto += " &&";
break;
}
}
if (FT && FT->hasDynamicExceptionSpec()) {
Proto += " throw(";
if (FT->getExceptionSpecType() == EST_MSAny)
Proto += "...";
else
for (unsigned I = 0, N = FT->getNumExceptions(); I != N; ++I) {
if (I)
Proto += ", ";
Proto += FT->getExceptionType(I).getAsString(SubPolicy);
}
Proto += ")";
} else if (FT && isNoexceptExceptionSpec(FT->getExceptionSpecType())) {
Proto += " noexcept";
if (FT->getExceptionSpecType() == EST_ComputedNoexcept) {
Proto += "(";
llvm::raw_string_ostream EOut(Proto);
FT->getNoexceptExpr()->printPretty(EOut, 0, SubPolicy,
Indentation);
EOut.flush();
//Proto += EOut.str()
//Commented out to fix swap bug, no idea why this was here
//Print was already being called earlier above
Proto += ")";
}
}
if (CDecl) {
bool HasInitializerList = false;
for (CXXConstructorDecl::init_const_iterator B = CDecl->init_begin(),
E = CDecl->init_end();
B != E; ++B) {
CXXCtorInitializer *BMInitializer = (*B);
if (BMInitializer->isInClassMemberInitializer())
continue;
if (!HasInitializerList) {
Proto += " : ";
Out << Proto;
Proto.clear();
HasInitializerList = true;
} else
Out << ", ";
if (BMInitializer->isAnyMemberInitializer()) {
FieldDecl *FD = BMInitializer->getAnyMember();
Out << *FD;
} else {
Out << QualType(BMInitializer->getBaseClass(), 0).getAsString(Policy);
}
Out << "(";
if (!BMInitializer->getInit()) {
// Nothing to print
} else {
Expr *Init = BMInitializer->getInit();
if (ExprWithCleanups *Tmp = dyn_cast<ExprWithCleanups>(Init))
Init = Tmp->getSubExpr();
Init = Init->IgnoreParens();
Expr *SimpleInit = 0;
Expr **Args = 0;
unsigned NumArgs = 0;
if (ParenListExpr *ParenList = dyn_cast<ParenListExpr>(Init)) {
Args = ParenList->getExprs();
NumArgs = ParenList->getNumExprs();
} else if (CXXConstructExpr *Construct
= dyn_cast<CXXConstructExpr>(Init)) {
Args = Construct->getArgs();
NumArgs = Construct->getNumArgs();
} else
SimpleInit = Init;
if (SimpleInit)
SimpleInit->printPretty(Out, 0, Policy, Indentation);
else {
for (unsigned I = 0; I != NumArgs; ++I) {
if (isa<CXXDefaultArgExpr>(Args[I]))
break;
if (I)
Out << ", ";
Args[I]->printPretty(Out, 0, Policy, Indentation);
}
}
}
Out << ")";
if (BMInitializer->isPackExpansion())
Out << "...";
}
} else if (!ConversionDecl && !isa<CXXDestructorDecl>(D)) {
if (FT && FT->hasTrailingReturn()) {
Out << "auto " << Proto << " -> ";
Proto.clear();
}
AFT->getReturnType().print(Out, Policy, Proto);
Proto.clear();
}
Out << Proto;
} else {
Ty.print(Out, Policy, Proto);
}
prettyPrintAttributes(D);
if (D->isPure())
Out << " = 0";
else if (D->isDeletedAsWritten())
Out << " = delete";
else if (D->isExplicitlyDefaulted())
Out << " = default";
else if (D->doesThisDeclarationHaveABody() && !Policy.TerseOutput) {
if (!D->hasPrototype() && D->getNumParams()) {
// This is a K&R function definition, so we need to print the
// parameters.
Out << '\n';
ForwardDeclPrinter ParamPrinter(Out,m_SMgr, SubPolicy, Indentation);
Indentation += Policy.Indentation;
for (unsigned i = 0, e = D->getNumParams(); i != e; ++i) {
Indent();
ParamPrinter.VisitParmVarDecl(D->getParamDecl(i));
Out << ";\n";
}
Indentation -= Policy.Indentation;
} else
Out << ' ';
// D->getBody()->printPretty(Out, 0, SubPolicy, Indentation);
}
}
void ForwardDeclPrinter::VisitFriendDecl(FriendDecl *D) {
// if (TypeSourceInfo *TSI = D->getFriendType()) {
// unsigned NumTPLists = D->getFriendTypeNumTemplateParameterLists();
// for (unsigned i = 0; i < NumTPLists; ++i)
// PrintTemplateParameters(D->getFriendTypeTemplateParameterList(i));
// Out << "friend ";
// Out << " " << TSI->getType().getAsString(Policy);
// }
// else if (FunctionDecl *FD =
// dyn_cast<FunctionDecl>(D->getFriendDecl())) {
// Out << "friend ";
// VisitFunctionDecl(FD);
// }
// else if (FunctionTemplateDecl *FTD =
// dyn_cast<FunctionTemplateDecl>(D->getFriendDecl())) {
// Out << "friend ";
// VisitFunctionTemplateDecl(FTD);
// }
// else if (ClassTemplateDecl *CTD =
// dyn_cast<ClassTemplateDecl>(D->getFriendDecl())) {
// Out << "friend ";
// VisitRedeclarableTemplateDecl(CTD);
// }
}
void ForwardDeclPrinter::VisitFieldDecl(FieldDecl *D) {
if (!Policy.SuppressSpecifiers && D->isMutable())
Out << "mutable ";
if (!Policy.SuppressSpecifiers && D->isModulePrivate())
Out << "__module_private__ ";
Out << D->getASTContext().getUnqualifiedObjCPointerType(D->getType()).
stream(Policy, D->getName());
if (D->isBitField()) {
Out << " : ";
D->getBitWidth()->printPretty(Out, 0, Policy, Indentation);
}
Expr *Init = D->getInClassInitializer();
if (!Policy.SuppressInitializers && Init) {
if (D->getInClassInitStyle() == ICIS_ListInit)
Out << " ";
else
Out << " = ";
Init->printPretty(Out, 0, Policy, Indentation);
}
prettyPrintAttributes(D);
}
void ForwardDeclPrinter::VisitLabelDecl(LabelDecl *D) {
Out << *D << ":";
}
void ForwardDeclPrinter::VisitVarDecl(VarDecl *D) {
if(D->getStorageClass() == SC_Static) {
m_SkipFlag = true;
return;
}
if(D->isDefinedOutsideFunctionOrMethod() && !(D->getStorageClass() == SC_Extern))
Out << "extern ";
if (!Policy.SuppressSpecifiers) {
StorageClass SC = D->getStorageClass();
if (SC != SC_None)
Out << VarDecl::getStorageClassSpecifierString(SC) << " ";
switch (D->getTSCSpec()) {
case TSCS_unspecified:
break;
case TSCS___thread:
Out << "__thread ";
break;
case TSCS__Thread_local:
Out << "_Thread_local ";
break;
case TSCS_thread_local:
Out << "thread_local ";
break;
}
if (D->isModulePrivate())
Out << "__module_private__ ";
}
QualType T = D->getTypeSourceInfo()
? D->getTypeSourceInfo()->getType()
: D->getASTContext().getUnqualifiedObjCPointerType(D->getType());
//FIXME: It prints restrict as restrict
//which is not valid C++
//Should be __restrict
//So, we ignore restrict here
T.removeLocalRestrict();
T.print(Out, Policy, D->getName());
T.addRestrict();
Expr *Init = D->getInit();
if (!Policy.SuppressInitializers && Init) {
bool ImplicitInit = false;
if (CXXConstructExpr *Construct =
dyn_cast<CXXConstructExpr>(Init->IgnoreImplicit())) {
if (D->getInitStyle() == VarDecl::CallInit &&
!Construct->isListInitialization()) {
ImplicitInit = Construct->getNumArgs() == 0 ||
Construct->getArg(0)->isDefaultArgument();
}
}
if (!ImplicitInit) {
if ((D->getInitStyle() == VarDecl::CallInit) && !isa<ParenListExpr>(Init))
Out << "(";
else if (D->getInitStyle() == VarDecl::CInit) {
// Out << " = "; //FOR skipping default function args
}
// Init->printPretty(Out, 0, Policy, Indentation);//FOR skipping defalt function args
if ((D->getInitStyle() == VarDecl::CallInit) && !isa<ParenListExpr>(Init))
Out << ")";
}
}
if(D->isDefinedOutsideFunctionOrMethod())
prettyPrintAttributes(D);
}
void ForwardDeclPrinter::VisitParmVarDecl(ParmVarDecl *D) {
VisitVarDecl(D);
}
void ForwardDeclPrinter::VisitFileScopeAsmDecl(FileScopeAsmDecl *D) {
Out << "__asm (";
D->getAsmString()->printPretty(Out, 0, Policy, Indentation);
Out << ")";
}
void ForwardDeclPrinter::VisitImportDecl(ImportDecl *D) {
Out << "@import " << D->getImportedModule()->getFullModuleName()
<< ";\n";
}
void ForwardDeclPrinter::VisitStaticAssertDecl(StaticAssertDecl *D) {
Out << "static_assert(";
D->getAssertExpr()->printPretty(Out, 0, Policy, Indentation);
Out << ", ";
D->getMessage()->printPretty(Out, 0, Policy, Indentation);
Out << ")";
}
//----------------------------------------------------------------------------
// C++ declarations
//----------------------------------------------------------------------------
void ForwardDeclPrinter::VisitNamespaceDecl(NamespaceDecl *D) {
if (D->isInline())
Out << "inline ";
Out << "namespace " << *D << " {\n";
// VisitDeclContext(D);
for(auto dit=D->decls_begin();dit!=D->decls_end();++dit) {
this->Visit(*dit);
printSemiColon();
}
Indent() << "}\n";
m_SkipFlag = true;
}
void ForwardDeclPrinter::VisitUsingDirectiveDecl(UsingDirectiveDecl *D) {
Out << "using namespace ";
if (D->getQualifier())
D->getQualifier()->print(Out, Policy);
Out << *D->getNominatedNamespaceAsWritten();
}
void ForwardDeclPrinter::VisitNamespaceAliasDecl(NamespaceAliasDecl *D) {
Out << "namespace " << *D << " = ";
if (D->getQualifier())
D->getQualifier()->print(Out, Policy);
Out << *D->getAliasedNamespace();
}
void ForwardDeclPrinter::VisitEmptyDecl(EmptyDecl *D) {
// prettyPrintAttributes(D);
m_SkipFlag = true;
}
void ForwardDeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
if(ClassDeclNames.find(D->getNameAsString()) != ClassDeclNames.end()
/*|| D->getName().startswith("_")*/) {
m_SkipFlag = true;
return;
}
if (D->getNameAsString().size() == 0)
return;
if (!Policy.SuppressSpecifiers && D->isModulePrivate())
Out << "__module_private__ ";
Out << D->getKindName();
Out << " __attribute__((annotate(\""
<< m_SMgr.getFilename(D->getSourceRange().getBegin()) << "\"))) ";
if (D->getIdentifier())
Out << ' ' << *D ;
// if (D->isCompleteDefinition()) {
// // Print the base classes
// if (D->getNumBases()) {
// Out << " : ";
// for (CXXRecordDecl::base_class_iterator Base = D->bases_begin(),
// BaseEnd = D->bases_end(); Base != BaseEnd; ++Base) {
// if (Base != D->bases_begin())
// Out << ", ";
// if (Base->isVirtual())
// Out << "virtual ";
// AccessSpecifier AS = Base->getAccessSpecifierAsWritten();
// if (AS != AS_none)
// Print(AS);
// Out << " " << Base->getType().getAsString(Policy);
// if (Base->isPackExpansion())
// Out << "...";
// }
// }
// // Print the class definition
// // FIXME: Doesn't print access specifiers, e.g., "public:"
// Out << " {\n";
// VisitDeclContext(D);
// Indent() << "}";
// }
// Out << ";\n";
ClassDeclNames.insert(D->getNameAsString());
}
void ForwardDeclPrinter::VisitLinkageSpecDecl(LinkageSpecDecl *D) {
const char *l;
if (D->getLanguage() == LinkageSpecDecl::lang_c)
l = "C";
else {
assert(D->getLanguage() == LinkageSpecDecl::lang_cxx &&
"unknown language in linkage specification");
l = "C++";
}
Out << "extern \"" << l << "\" ";
if (D->hasBraces()) {
Out << "{\n";
VisitDeclContext(D);
Indent() << "}";
} else
Visit(*D->decls_begin());
}
void ForwardDeclPrinter::PrintTemplateParameters(const TemplateParameterList *Params,
const TemplateArgumentList *Args) {
assert(Params);
assert(!Args || Params->size() == Args->size());
Out << "template <";
for (unsigned i = 0, e = Params->size(); i != e; ++i) {
if (i != 0)
Out << ", ";
const Decl *Param = Params->getParam(i);
if (const TemplateTypeParmDecl *TTP =
dyn_cast<TemplateTypeParmDecl>(Param)) {
if (TTP->wasDeclaredWithTypename())
Out << "typename ";
else
Out << "class ";
if (TTP->isParameterPack())
Out << "... ";
Out << *TTP;
if (Args) {
Out << " = ";
Args->get(i).print(Policy, Out);
} else if (TTP->hasDefaultArgument()) {
// Out << " = ";
// Out << TTP->getDefaultArgument().getAsString(Policy);
};
} else if (const NonTypeTemplateParmDecl *NTTP =
dyn_cast<NonTypeTemplateParmDecl>(Param)) {
Out << NTTP->getType().getAsString(Policy);
if (NTTP->isParameterPack() && !isa<PackExpansionType>(NTTP->getType()))
Out << "...";
if (IdentifierInfo *Name = NTTP->getIdentifier()) {
Out << ' ';
Out << Name->getName();
}
if (Args) {
Out << " = ";
Args->get(i).print(Policy, Out);
} else if (NTTP->hasDefaultArgument()) {
// Out << " = ";
// NTTP->getDefaultArgument()->printPretty(Out, 0, Policy, Indentation);
}
} else if (const TemplateTemplateParmDecl *TTPD =
dyn_cast<TemplateTemplateParmDecl>(Param)) {
VisitTemplateDecl(TTPD);
// FIXME: print the default argument, if present.
}
}
Out << "> ";
}
void ForwardDeclPrinter::VisitTemplateDecl(const TemplateDecl *D) {
PrintTemplateParameters(D->getTemplateParameters());
if (const TemplateTemplateParmDecl *TTP =
dyn_cast<TemplateTemplateParmDecl>(D)) {
Out << "class ";
if (TTP->isParameterPack())
Out << "...";
Out << D->getName();
} else {
Visit(D->getTemplatedDecl());
}
}
void ForwardDeclPrinter::VisitFunctionTemplateDecl(FunctionTemplateDecl *D) {
if(D->getNameAsString().size() == 0
|| D->getNameAsString()[0] == '_'
|| D->isCXXClassMember()) {
m_SkipFlag = true;
return;
}
if (PrintInstantiation) {
TemplateParameterList *Params = D->getTemplateParameters();
for (FunctionTemplateDecl::spec_iterator I = D->spec_begin(),
E = D->spec_end(); I != E; ++I) {
PrintTemplateParameters(Params, (*I)->getTemplateSpecializationArgs());
Visit(*I);
}
}
return VisitRedeclarableTemplateDecl(D);
}
void ForwardDeclPrinter::VisitClassTemplateDecl(ClassTemplateDecl *D) {
if(ClassDeclNames.find(D->getNameAsString()) != ClassDeclNames.end()
|| D->getName().size() == 0 ) {
m_SkipFlag = true;
return;
}
if (PrintInstantiation) {
TemplateParameterList *Params = D->getTemplateParameters();
for (ClassTemplateDecl::spec_iterator I = D->spec_begin(),
E = D->spec_end(); I != E; ++I) {
PrintTemplateParameters(Params, &(*I)->getTemplateArgs());
Visit(*I);
Out << '\n';
}
}
return VisitRedeclarableTemplateDecl(D);
}
void ForwardDeclPrinter::VisitClassTemplateSpecializationDecl
(clang::ClassTemplateSpecializationDecl* D) {
//D->dump();
}
void ForwardDeclPrinter::printSemiColon(bool flag) {
if (flag)
{
if(!m_SkipFlag)
Out << ";\n";
else
m_SkipFlag = false;
}
else Out << ";\n";
}
}//end namespace cling