diff options
Diffstat (limited to 'gnu/llvm/tools/clang/lib/Frontend/TextDiagnosticPrinter.cpp')
| -rw-r--r-- | gnu/llvm/tools/clang/lib/Frontend/TextDiagnosticPrinter.cpp | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/gnu/llvm/tools/clang/lib/Frontend/TextDiagnosticPrinter.cpp b/gnu/llvm/tools/clang/lib/Frontend/TextDiagnosticPrinter.cpp deleted file mode 100644 index a37382c116a..00000000000 --- a/gnu/llvm/tools/clang/lib/Frontend/TextDiagnosticPrinter.cpp +++ /dev/null @@ -1,158 +0,0 @@ -//===--- TextDiagnosticPrinter.cpp - Diagnostic Printer -------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This diagnostic client prints out their diagnostic messages. -// -//===----------------------------------------------------------------------===// - -#include "clang/Frontend/TextDiagnosticPrinter.h" -#include "clang/Basic/DiagnosticOptions.h" -#include "clang/Basic/SourceManager.h" -#include "clang/Frontend/TextDiagnostic.h" -#include "clang/Lex/Lexer.h" -#include "llvm/ADT/SmallString.h" -#include "llvm/Support/ErrorHandling.h" -#include "llvm/Support/raw_ostream.h" -#include <algorithm> -using namespace clang; - -TextDiagnosticPrinter::TextDiagnosticPrinter(raw_ostream &os, - DiagnosticOptions *diags, - bool _OwnsOutputStream) - : OS(os), DiagOpts(diags), - OwnsOutputStream(_OwnsOutputStream) { -} - -TextDiagnosticPrinter::~TextDiagnosticPrinter() { - if (OwnsOutputStream) - delete &OS; -} - -void TextDiagnosticPrinter::BeginSourceFile(const LangOptions &LO, - const Preprocessor *PP) { - // Build the TextDiagnostic utility. - TextDiag.reset(new TextDiagnostic(OS, LO, &*DiagOpts)); -} - -void TextDiagnosticPrinter::EndSourceFile() { - TextDiag.reset(); -} - -/// Print any diagnostic option information to a raw_ostream. -/// -/// This implements all of the logic for adding diagnostic options to a message -/// (via OS). Each relevant option is comma separated and all are enclosed in -/// the standard bracketing: " [...]". -static void printDiagnosticOptions(raw_ostream &OS, - DiagnosticsEngine::Level Level, - const Diagnostic &Info, - const DiagnosticOptions &DiagOpts) { - bool Started = false; - if (DiagOpts.ShowOptionNames) { - // Handle special cases for non-warnings early. - if (Info.getID() == diag::fatal_too_many_errors) { - OS << " [-ferror-limit=]"; - return; - } - - // The code below is somewhat fragile because we are essentially trying to - // report to the user what happened by inferring what the diagnostic engine - // did. Eventually it might make more sense to have the diagnostic engine - // include some "why" information in the diagnostic. - - // If this is a warning which has been mapped to an error by the user (as - // inferred by checking whether the default mapping is to an error) then - // flag it as such. Note that diagnostics could also have been mapped by a - // pragma, but we don't currently have a way to distinguish this. - if (Level == DiagnosticsEngine::Error && - DiagnosticIDs::isBuiltinWarningOrExtension(Info.getID()) && - !DiagnosticIDs::isDefaultMappingAsError(Info.getID())) { - OS << " [-Werror"; - Started = true; - } - - StringRef Opt = DiagnosticIDs::getWarningOptionForDiag(Info.getID()); - if (!Opt.empty()) { - OS << (Started ? "," : " [") - << (Level == DiagnosticsEngine::Remark ? "-R" : "-W") << Opt; - StringRef OptValue = Info.getDiags()->getFlagValue(); - if (!OptValue.empty()) - OS << "=" << OptValue; - Started = true; - } - } - - // If the user wants to see category information, include it too. - if (DiagOpts.ShowCategories) { - unsigned DiagCategory = - DiagnosticIDs::getCategoryNumberForDiag(Info.getID()); - if (DiagCategory) { - OS << (Started ? "," : " ["); - Started = true; - if (DiagOpts.ShowCategories == 1) - OS << DiagCategory; - else { - assert(DiagOpts.ShowCategories == 2 && "Invalid ShowCategories value"); - OS << DiagnosticIDs::getCategoryNameFromID(DiagCategory); - } - } - } - if (Started) - OS << ']'; -} - -void TextDiagnosticPrinter::HandleDiagnostic(DiagnosticsEngine::Level Level, - const Diagnostic &Info) { - // Default implementation (Warnings/errors count). - DiagnosticConsumer::HandleDiagnostic(Level, Info); - - // Render the diagnostic message into a temporary buffer eagerly. We'll use - // this later as we print out the diagnostic to the terminal. - SmallString<100> OutStr; - Info.FormatDiagnostic(OutStr); - - llvm::raw_svector_ostream DiagMessageStream(OutStr); - printDiagnosticOptions(DiagMessageStream, Level, Info, *DiagOpts); - - // Keeps track of the starting position of the location - // information (e.g., "foo.c:10:4:") that precedes the error - // message. We use this information to determine how long the - // file+line+column number prefix is. - uint64_t StartOfLocationInfo = OS.tell(); - - if (!Prefix.empty()) - OS << Prefix << ": "; - - // Use a dedicated, simpler path for diagnostics without a valid location. - // This is important as if the location is missing, we may be emitting - // diagnostics in a context that lacks language options, a source manager, or - // other infrastructure necessary when emitting more rich diagnostics. - if (!Info.getLocation().isValid()) { - TextDiagnostic::printDiagnosticLevel(OS, Level, DiagOpts->ShowColors, - DiagOpts->CLFallbackMode); - TextDiagnostic::printDiagnosticMessage(OS, Level, DiagMessageStream.str(), - OS.tell() - StartOfLocationInfo, - DiagOpts->MessageLength, - DiagOpts->ShowColors); - OS.flush(); - return; - } - - // Assert that the rest of our infrastructure is setup properly. - assert(DiagOpts && "Unexpected diagnostic without options set"); - assert(Info.hasSourceManager() && - "Unexpected diagnostic with no source manager"); - assert(TextDiag && "Unexpected diagnostic outside source file processing"); - - TextDiag->emitDiagnostic( - FullSourceLoc(Info.getLocation(), Info.getSourceManager()), Level, - DiagMessageStream.str(), Info.getRanges(), Info.getFixItHints()); - - OS.flush(); -} |