diff options
Diffstat (limited to 'lib/Sema/SemaExpr.cpp')
| -rw-r--r-- | lib/Sema/SemaExpr.cpp | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp index 6b753a1342..7d99732e68 100644 --- a/lib/Sema/SemaExpr.cpp +++ b/lib/Sema/SemaExpr.cpp @@ -1172,10 +1172,27 @@ Sema::ActOnStringLiteral(const Token *StringToks, unsigned NumStringToks) { ArrayType::Normal, 0); // Pass &StringTokLocs[0], StringTokLocs.size() to factory! - return Owned(StringLiteral::Create(Context, Literal.GetString(), - Kind, Literal.Pascal, StrTy, - &StringTokLocs[0], - StringTokLocs.size())); + StringLiteral *Lit = StringLiteral::Create(Context, Literal.GetString(), + Kind, Literal.Pascal, StrTy, + &StringTokLocs[0], + StringTokLocs.size()); + if (Literal.getUDSuffix().empty()) + return Owned(Lit); + + // We're building a user-defined literal. + IdentifierInfo *UDSuffix = &Context.Idents.get(Literal.getUDSuffix()); + SourceLocation UDSuffixLoc = StringTokLocs[0]; + // FIXME: = Literal.getUDSuffixLoc(getSourceManager()); + + // C++11 [lex.ext]p5: The literal L is treated as a call of the form + // operator "" X (str, len) + QualType SizeType = Context.getSizeType(); + llvm::APInt Len(Context.getIntWidth(SizeType), Literal.GetNumStringChars()); + IntegerLiteral *LenArg = IntegerLiteral::Create(Context, Len, SizeType, + StringTokLocs[0]); + Expr *Args[] = { Lit, LenArg }; + return BuildLiteralOperatorCall(UDSuffix, UDSuffixLoc, Args, + StringTokLocs.back()); } ExprResult |