diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/Frontend/InitPreprocessor.cpp | 13 | ||||
| -rw-r--r-- | clang/test/Frontend/macros.c | 4 |
2 files changed, 9 insertions, 8 deletions
diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index c5fc5f9f746..841463c8e98 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -27,19 +27,16 @@ using namespace clang; // in which case we emit "#define XXX 1" or "XXX=Y z W" in which case we emit // "#define XXX Y z W". To get a #define with no value, use "XXX=". static void DefineBuiltinMacro(MacroBuilder &Builder, llvm::StringRef Macro, - Diagnostic *Diags = 0) { + Diagnostic &Diags) { std::pair<llvm::StringRef, llvm::StringRef> MacroPair = Macro.split('='); llvm::StringRef MacroName = MacroPair.first; llvm::StringRef MacroBody = MacroPair.second; - if (!MacroBody.empty()) { + if (MacroName.size() != Macro.size()) { // Per GCC -D semantics, the macro ends at \n if it exists. llvm::StringRef::size_type End = MacroBody.find_first_of("\n\r"); - if (End != llvm::StringRef::npos) { - assert(Diags && "Unexpected macro with embedded newline!"); - Diags->Report(diag::warn_fe_macro_contains_embedded_newline) + if (End != llvm::StringRef::npos) + Diags.Report(diag::warn_fe_macro_contains_embedded_newline) << MacroName; - } - Builder.defineMacro(MacroName, MacroBody.substr(0, End)); } else { // Push "macroname 1". @@ -490,7 +487,7 @@ void clang::InitializePreprocessor(Preprocessor &PP, Builder.undefineMacro(InitOpts.Macros[i].first); else DefineBuiltinMacro(Builder, InitOpts.Macros[i].first, - &PP.getDiagnostics()); + PP.getDiagnostics()); } // If -imacros are specified, include them now. These are processed before diff --git a/clang/test/Frontend/macros.c b/clang/test/Frontend/macros.c new file mode 100644 index 00000000000..317079709c6 --- /dev/null +++ b/clang/test/Frontend/macros.c @@ -0,0 +1,4 @@ +// RUN: %clang_cc1 -DA= -DB=1 -verify -fsyntax-only %s + +int a[(B A) == 1 ? 1 : -1]; + |
