1 //===--- InterfaceStubFunctionsConsumer.cpp -------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #include "clang/AST/Mangle.h"
10 #include "clang/AST/RecursiveASTVisitor.h"
11 #include "clang/Basic/TargetInfo.h"
12 #include "clang/Frontend/CompilerInstance.h"
13 #include "clang/Frontend/FrontendActions.h"
14 #include "clang/Sema/TemplateInstCallback.h"
17 using namespace clang;
23   StringRef Format;  member in __anonddb1d4dd0111::InterfaceStubFunctionsConsumer
43     // DefaultVisibility is set on a decl when -fvisibility is not specified on  in WriteNamedDecl()
49     auto isVisible = [](const NamedDecl *ND) -> bool {  in WriteNamedDecl()
50       return ND->getVisibility() == DefaultVisibility;  in WriteNamedDecl()
53     auto ignoreDecl = [this, isVisible](const NamedDecl *ND) -> bool {  in WriteNamedDecl()
58         if (const auto *Parent = VD->getParentFunctionOrMethod())  in WriteNamedDecl()
62         if ((VD->getStorageClass() == StorageClass::SC_Extern) ||  in WriteNamedDecl()
63             (VD->getStorageClass() == StorageClass::SC_Static &&  in WriteNamedDecl()
64              VD->getParentFunctionOrMethod() == nullptr))  in WriteNamedDecl()
69         if (FD->isInlined() && !isa<CXXMethodDecl>(FD) &&  in WriteNamedDecl()
73           if (const auto *RC = dyn_cast<CXXRecordDecl>(MD->getParent()))  in WriteNamedDecl()
74             if (isa<ClassTemplateDecl>(RC->getParent()) || !isVisible(RC))  in WriteNamedDecl()
76           if (MD->isDependentContext() || !MD->hasBody())  in WriteNamedDecl()
79         if (FD->getStorageClass() == StorageClass::SC_Static)  in WriteNamedDecl()
85     auto getParentFunctionDecl = [](const NamedDecl *ND) -> const NamedDecl * {  in WriteNamedDecl()
88                 dyn_cast_or_null<FunctionDecl>(VD->getParentFunctionOrMethod()))  in WriteNamedDecl()
93     auto getMangledNames = [](const NamedDecl *ND) -> std::vector<std::string> {  in WriteNamedDecl()
96       ASTNameGenerator NameGen(ND->getASTContext());  in WriteNamedDecl()
110     // - Currently have not figured out how to produce the names for FieldDecls.  in WriteNamedDecl()
111     // - Do not want to produce symbols for function paremeters.  in WriteNamedDecl()
125         if (FD->isDependentContext())  in WriteNamedDecl()
128       const bool IsWeak = (ND->hasAttr<WeakAttr>() ||  in WriteNamedDecl()
129                            ND->hasAttr<WeakRefAttr>() || ND->isWeakImported());  in WriteNamedDecl()
167     switch (ND->getKind()) {  in HandleNamedDecl()
171       HandleDecls(cast<NamespaceDecl>(ND)->decls(), Symbols, RDO);  in HandleNamedDecl()
174       HandleDecls(cast<CXXRecordDecl>(ND)->decls(), Symbols, RDO);  in HandleNamedDecl()
177       HandleDecls(cast<ClassTemplateSpecializationDecl>(ND)->decls(), Symbols,  in HandleNamedDecl()
212       if (!ND->getIdentifier())  in HandleNamedDecl()
216       if (VD->isTemplated() || VD->getType()->isDependentType())  in HandleNamedDecl()
241                                  StringRef Format)  in InterfaceStubFunctionsConsumer()  argument
242       : Instance(Instance), InFile(InFile), Format(Format) {}  in InterfaceStubFunctionsConsumer()
248           if (FD->isLateTemplateParsed()) {  in HandleTranslationUnit()
275       clang::Sema &S = Instance.getSema();  in HandleTranslationUnit()
277         clang::LateParsedTemplate &LPT =  in HandleTranslationUnit()
278             *S.LateParsedTemplateMap.find(cast<FunctionDecl>(FD))->second;  in HandleTranslationUnit()
291                              const ASTContext &context, StringRef Format,  in HandleTranslationUnit()
292                              raw_ostream &OS) -> void {  in HandleTranslationUnit()
293       OS << "--- !" << Format << "\n";  in HandleTranslationUnit()
300           OS << "  - { Name: \""  in HandleTranslationUnit()
308                 "clang -emit-interface-stubs: Unexpected symbol type.");  in HandleTranslationUnit()
313             auto VD = cast<ValueDecl>(E.first)->getType();  in HandleTranslationUnit()
331     assert(Format == "ifs-v1" && "Unexpected IFS Format.");  in HandleTranslationUnit()
332     writeIfsV1(Instance.getTarget().getTriple(), Symbols, context, Format, *OS);  in HandleTranslationUnit()
340   return std::make_unique<InterfaceStubFunctionsConsumer>(CI, InFile, "ifs-v1");  in CreateASTConsumer()