static best_guess tok_type(clang::Preprocessor &pp, const char *macro_name,
const clang::Token &t, StringSet *seen) {
using namespace clang;
tok::TokenKind k = t.getKind();
if(k == tok::identifier) {
IdentifierInfo *ii = t.getIdentifierInfo();
if(ii && !seen->count(ii->getNameStart()))
return macro_type(pp, ii->getNameStart(),
pp.getMacroInfo(ii), seen);
return tok_ok;
}
if (k == tok::l_paren || k == tok::r_paren || k == tok::amp || k == tok::plus ||
k == tok::star || k == tok::minus || k == tok::tilde || k == tok::slash ||
k == tok::percent || k == tok::lessless || k == tok::greatergreater ||
k == tok::caret || k == tok::pipe || k == tok::exclaim ||
k == tok::kw_int || k == tok::kw_float || k == tok::kw_double ||
k == tok::kw_long || k == tok::kw_signed || k == tok::kw_unsigned)
return tok_ok;
return tok_invalid;
}
static Optional<clang::QualType> builtinTypeForToken(const clang::Token &tok,
const clang::ASTContext &context) {
switch (tok.getKind()) {
case clang::tok::kw_short:
return clang::QualType(context.ShortTy);
case clang::tok::kw_long:
return clang::QualType(context.LongTy);
case clang::tok::kw___int64:
return clang::QualType(context.LongLongTy);
case clang::tok::kw___int128:
return clang::QualType(context.Int128Ty);
case clang::tok::kw_signed:
return clang::QualType(context.IntTy);
case clang::tok::kw_unsigned:
return clang::QualType(context.UnsignedIntTy);
case clang::tok::kw_void:
return clang::QualType(context.VoidTy);
case clang::tok::kw_char:
return clang::QualType(context.CharTy);
case clang::tok::kw_int:
return clang::QualType(context.IntTy);
case clang::tok::kw_float:
return clang::QualType(context.FloatTy);
case clang::tok::kw_double:
return clang::QualType(context.DoubleTy);
case clang::tok::kw_wchar_t:
return clang::QualType(context.WCharTy);
case clang::tok::kw_bool:
return clang::QualType(context.BoolTy);
case clang::tok::kw_char16_t:
return clang::QualType(context.Char16Ty);
case clang::tok::kw_char32_t:
return clang::QualType(context.Char32Ty);
default:
return llvm::None;
}
}