1 #include "clang/Basic/Attributes.h" 2 #include "clang/Basic/AttrSubjectMatchRules.h" 3 #include "clang/Basic/IdentifierTable.h" 4 #include "llvm/ADT/StringSwitch.h" 5 using namespace clang; 6 7 int clang::hasAttribute(AttrSyntax Syntax, const IdentifierInfo *Scope, 8 const IdentifierInfo *Attr, const TargetInfo &Target, 9 const LangOptions &LangOpts) { 10 StringRef Name = Attr->getName(); 11 // Normalize the attribute name, __foo__ becomes foo. 12 if (Name.size() >= 4 && Name.startswith("__") && Name.endswith("__")) 13 Name = Name.substr(2, Name.size() - 4); 14 15 // Normalize the scope name, but only for gnu and clang attributes. 16 StringRef ScopeName = Scope ? Scope->getName() : ""; 17 if (ScopeName == "__gnu__") 18 ScopeName = "gnu"; 19 else if (ScopeName == "_Clang") 20 ScopeName = "clang"; 21 22 #include "clang/Basic/AttrHasAttributeImpl.inc" 23 24 return 0; 25 } 26 27 const char *attr::getSubjectMatchRuleSpelling(attr::SubjectMatchRule Rule) { 28 switch (Rule) { 29 #define ATTR_MATCH_RULE(NAME, SPELLING, IsAbstract) \ 30 case attr::NAME: \ 31 return SPELLING; 32 #include "clang/Basic/AttrSubMatchRulesList.inc" 33 } 34 llvm_unreachable("Invalid subject match rule"); 35 } 36