Expose Objective-C type encodings of declarations to libclang users. This also adds a method in ASTContext which encodes FunctionDecls using the same encoding format that is used for Objective-C methods.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122639 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CXType.cpp b/tools/libclang/CXType.cpp
index e1297a4..a72b02f 100644
--- a/tools/libclang/CXType.cpp
+++ b/tools/libclang/CXType.cpp
@@ -353,4 +353,33 @@
return T->isPODType() ? 1 : 0;
}
+CXString clang_getDeclObjCTypeEncoding(CXCursor C) {
+ if ((C.kind < CXCursor_FirstDecl) || (C.kind > CXCursor_LastDecl))
+ return cxstring::createCXString("");
+
+ Decl *D = static_cast<Decl*>(C.data[0]);
+ CXTranslationUnit TU = static_cast<CXTranslationUnit>(C.data[2]);
+ ASTUnit *AU = static_cast<ASTUnit*>(TU->TUData);
+ ASTContext &Ctx = AU->getASTContext();
+ std::string encoding;
+
+ if (ObjCMethodDecl *OMD = dyn_cast<ObjCMethodDecl>(D))
+ Ctx.getObjCEncodingForMethodDecl(OMD, encoding);
+ else if (ObjCPropertyDecl *OPD = dyn_cast<ObjCPropertyDecl>(D))
+ Ctx.getObjCEncodingForPropertyDecl(OPD, NULL, encoding);
+ else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
+ Ctx.getObjCEncodingForFunctionDecl(FD, encoding);
+ else {
+ QualType Ty;
+ if (TypeDecl *TD = dyn_cast<TypeDecl>(D))
+ Ty = QualType(TD->getTypeForDecl(), 0);
+ if (ValueDecl *VD = dyn_cast<ValueDecl>(D))
+ Ty = VD->getType();
+ else return cxstring::createCXString("?");
+ Ctx.getObjCEncodingForType(Ty, encoding);
+ }
+
+ return cxstring::createCXString(encoding);
+}
+
} // end: extern "C"