https://github.com/tbaederr updated https://github.com/llvm/llvm-project/pull/164935
>From 612ab108315aeff7118c395a91c8bb92dd3b6f15 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Timm=20B=C3=A4der?= <[email protected]> Date: Fri, 24 Oct 2025 08:32:28 +0200 Subject: [PATCH] [clang] Use a formatted_raw_ostream in TextDiagnostic --- clang/include/clang/Frontend/TextDiagnostic.h | 8 +++++--- clang/lib/Frontend/TextDiagnostic.cpp | 10 ++++++---- clang/test/Frontend/diag-wrap-colors.cpp | 6 ++++++ llvm/include/llvm/Support/FormattedStream.h | 3 ++- 4 files changed, 19 insertions(+), 8 deletions(-) create mode 100644 clang/test/Frontend/diag-wrap-colors.cpp diff --git a/clang/include/clang/Frontend/TextDiagnostic.h b/clang/include/clang/Frontend/TextDiagnostic.h index e2e88d4d648a2..10028186d27f3 100644 --- a/clang/include/clang/Frontend/TextDiagnostic.h +++ b/clang/include/clang/Frontend/TextDiagnostic.h @@ -16,10 +16,12 @@ #define LLVM_CLANG_FRONTEND_TEXTDIAGNOSTIC_H #include "clang/Frontend/DiagnosticRenderer.h" -#include "llvm/Support/raw_ostream.h" +#include "llvm/Support/FormattedStream.h" namespace clang { +using llvm::formatted_raw_ostream; + /// Class to encapsulate the logic for formatting and printing a textual /// diagnostic message. /// @@ -33,7 +35,7 @@ namespace clang { /// DiagnosticClient is implemented through this class as is diagnostic /// printing coming out of libclang. class TextDiagnostic : public DiagnosticRenderer { - raw_ostream &OS; + formatted_raw_ostream OS; const Preprocessor *PP; public: @@ -47,7 +49,7 @@ class TextDiagnostic : public DiagnosticRenderer { unsigned End; enum llvm::raw_ostream::Colors Color; StyleRange(unsigned S, unsigned E, enum llvm::raw_ostream::Colors C) - : Start(S), End(E), Color(C){}; + : Start(S), End(E), Color(C) {}; }; /// Print the diagonstic level to a raw_ostream. diff --git a/clang/lib/Frontend/TextDiagnostic.cpp b/clang/lib/Frontend/TextDiagnostic.cpp index 58885712fbdcc..9673ce3b0018d 100644 --- a/clang/lib/Frontend/TextDiagnostic.cpp +++ b/clang/lib/Frontend/TextDiagnostic.cpp @@ -17,7 +17,6 @@ #include "llvm/Support/ConvertUTF.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/Support/Locale.h" -#include "llvm/Support/raw_ostream.h" #include <algorithm> #include <optional> @@ -662,7 +661,7 @@ void TextDiagnostic::emitDiagnosticMessage( FullSourceLoc Loc, PresumedLoc PLoc, DiagnosticsEngine::Level Level, StringRef Message, ArrayRef<clang::CharSourceRange> Ranges, DiagOrStoredDiag D) { - uint64_t StartOfLocationInfo = OS.tell(); + uint64_t StartOfLocationInfo = OS.getColumn(); // Emit the location of this particular diagnostic. if (Loc.isValid()) @@ -675,8 +674,11 @@ void TextDiagnostic::emitDiagnosticMessage( printDiagnosticLevel(OS, Level, DiagOpts.ShowColors); printDiagnosticMessage(OS, /*IsSupplemental*/ Level == DiagnosticsEngine::Note, - Message, OS.tell() - StartOfLocationInfo, + Message, OS.getColumn() - StartOfLocationInfo, DiagOpts.MessageLength, DiagOpts.ShowColors); + // We use a formatted ostream, which does its own buffering. Flush here + // so we keek the proper order of output. + OS.flush(); } /*static*/ void @@ -1485,7 +1487,7 @@ void TextDiagnostic::emitSnippet(StringRef SourceLine, if (CharStyle != Styles.end()) { if (!CurrentColor || (CurrentColor && *CurrentColor != CharStyle->Color)) { - OS.changeColor(CharStyle->Color, false); + OS.changeColor(CharStyle->Color); CurrentColor = CharStyle->Color; } } else if (CurrentColor) { diff --git a/clang/test/Frontend/diag-wrap-colors.cpp b/clang/test/Frontend/diag-wrap-colors.cpp new file mode 100644 index 0000000000000..e3dccb1bd2dee --- /dev/null +++ b/clang/test/Frontend/diag-wrap-colors.cpp @@ -0,0 +1,6 @@ +// RUN: not %clang_cc1 %s -fmessage-length=50 -fcolor-diagnostics -fno-show-source-location -o - 2>&1 | FileCheck %s + +struct F { + float a : 10; +}; +// CHECK: bit-field 'a' has non-integral type 'float' diff --git a/llvm/include/llvm/Support/FormattedStream.h b/llvm/include/llvm/Support/FormattedStream.h index 011a6aea238e3..402cd3e3235dc 100644 --- a/llvm/include/llvm/Support/FormattedStream.h +++ b/llvm/include/llvm/Support/FormattedStream.h @@ -180,7 +180,8 @@ class LLVM_ABI formatted_raw_ostream : public raw_ostream { return *this; } - raw_ostream &changeColor(enum Colors Color, bool Bold, bool BG) override { + raw_ostream &changeColor(enum Colors Color, bool Bold = false, + bool BG = false) override { if (colors_enabled()) { DisableScanScope S(this); raw_ostream::changeColor(Color, Bold, BG); _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
