llvm-project/clang/lib/Basic/Attributes.cpp

36 lines
1.3 KiB
C++

#include "clang/Basic/Attributes.h"
#include "clang/Basic/AttrSubjectMatchRules.h"
#include "clang/Basic/IdentifierTable.h"
#include "llvm/ADT/StringSwitch.h"
using namespace clang;
int clang::hasAttribute(AttrSyntax Syntax, const IdentifierInfo *Scope,
const IdentifierInfo *Attr, const TargetInfo &Target,
const LangOptions &LangOpts) {
StringRef Name = Attr->getName();
// Normalize the attribute name, __foo__ becomes foo.
if (Name.size() >= 4 && Name.startswith("__") && Name.endswith("__"))
Name = Name.substr(2, Name.size() - 4);
// Normalize the scope name, but only for gnu and clang attributes.
StringRef ScopeName = Scope ? Scope->getName() : "";
if (ScopeName == "__gnu__")
ScopeName = "gnu";
else if (ScopeName == "_Clang")
ScopeName = "clang";
#include "clang/Basic/AttrHasAttributeImpl.inc"
return 0;
}
const char *attr::getSubjectMatchRuleSpelling(attr::SubjectMatchRule Rule) {
switch (Rule) {
#define ATTR_MATCH_RULE(NAME, SPELLING, IsAbstract) \
case attr::NAME: \
return SPELLING;
#include "clang/Basic/AttrSubMatchRulesList.inc"
}
llvm_unreachable("Invalid subject match rule");
}