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 attributes. 16 StringRef ScopeName = Scope ? Scope->getName() : ""; 17 if (ScopeName == "__gnu__") 18 ScopeName = ScopeName.slice(2, ScopeName.size() - 2); 19 20 #include "clang/Basic/AttrHasAttributeImpl.inc" 21 22 return 0; 23 } 24 25 const char *attr::getSubjectMatchRuleSpelling(attr::SubjectMatchRule Rule) { 26 switch (Rule) { 27 #define ATTR_MATCH_RULE(NAME, SPELLING, IsAbstract) \ 28 case attr::NAME: \ 29 return SPELLING; 30 #include "clang/Basic/AttrSubMatchRulesList.inc" 31 } 32 llvm_unreachable("Invalid subject match rule"); 33 } 34