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author | Ed Schouten <ed@FreeBSD.org> | 2009-06-27 10:45:02 +0000 |
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committer | Ed Schouten <ed@FreeBSD.org> | 2009-06-27 10:45:02 +0000 |
commit | 4ebdf5c4f587daef4e0be499802eac3a7a49bf2f (patch) | |
tree | 2c5a83521a20c02e7805581a174008aa9bc23579 /lib/Sema/SemaChecking.cpp | |
parent | f698f7e71940663e26a4806a96fb0bdfa160c886 (diff) | |
download | src-4ebdf5c4f587daef4e0be499802eac3a7a49bf2f.tar.gz src-4ebdf5c4f587daef4e0be499802eac3a7a49bf2f.zip |
Import Clang r74383.vendor/clang/clang-r74383
Notes
Notes:
svn path=/vendor/clang/dist/; revision=195099
svn path=/vendor/clang/clang-r74383/; revision=195101; tag=vendor/clang/clang-r74383
Diffstat (limited to 'lib/Sema/SemaChecking.cpp')
-rw-r--r-- | lib/Sema/SemaChecking.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp index a2ceafad3037..f6d6623f9a20 100644 --- a/lib/Sema/SemaChecking.cpp +++ b/lib/Sema/SemaChecking.cpp @@ -717,6 +717,8 @@ bool Sema::SemaCheckStringLiteral(const Expr *E, const CallExpr *TheCall, if (E->isTypeDependent() || E->isValueDependent()) return false; + E = E->IgnoreParenCasts(); + switch (E->getStmtClass()) { case Stmt::ConditionalOperatorClass: { const ConditionalOperator *C = cast<ConditionalOperator>(E); @@ -766,6 +768,25 @@ bool Sema::SemaCheckStringLiteral(const Expr *E, const CallExpr *TheCall, return false; } + case Stmt::CallExprClass: { + const CallExpr *CE = cast<CallExpr>(E); + if (const ImplicitCastExpr *ICE + = dyn_cast<ImplicitCastExpr>(CE->getCallee())) { + if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(ICE->getSubExpr())) { + if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(DRE->getDecl())) { + if (const FormatArgAttr *FA = FD->getAttr<FormatArgAttr>(Context)) { + unsigned ArgIndex = FA->getFormatIdx(); + const Expr *Arg = CE->getArg(ArgIndex - 1); + + return SemaCheckStringLiteral(Arg, TheCall, HasVAListArg, + format_idx, firstDataArg); + } + } + } + } + + return false; + } case Stmt::ObjCStringLiteralClass: case Stmt::StringLiteralClass: { const StringLiteral *StrE = NULL; |