forked from OSchip/llvm-project
78 lines
2.9 KiB
C++
78 lines
2.9 KiB
C++
//===--- TextDiagnosticBuffer.cpp - Buffer Text Diagnostics ---------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This is a concrete diagnostic client, which buffers the diagnostic messages.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Frontend/TextDiagnosticBuffer.h"
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#include "llvm/ADT/SmallString.h"
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#include "llvm/Support/ErrorHandling.h"
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using namespace clang;
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/// HandleDiagnostic - Store the errors, warnings, and notes that are
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/// reported.
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///
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void TextDiagnosticBuffer::HandleDiagnostic(DiagnosticsEngine::Level Level,
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const Diagnostic &Info) {
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// Default implementation (Warnings/errors count).
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DiagnosticConsumer::HandleDiagnostic(Level, Info);
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SmallString<100> Buf;
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Info.FormatDiagnostic(Buf);
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switch (Level) {
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default: llvm_unreachable(
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"Diagnostic not handled during diagnostic buffering!");
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case DiagnosticsEngine::Note:
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Notes.push_back(std::make_pair(Info.getLocation(), Buf.str()));
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break;
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case DiagnosticsEngine::Warning:
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Warnings.push_back(std::make_pair(Info.getLocation(), Buf.str()));
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break;
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case DiagnosticsEngine::Error:
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case DiagnosticsEngine::Fatal:
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Errors.push_back(std::make_pair(Info.getLocation(), Buf.str()));
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break;
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}
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}
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/// \brief Escape diagnostic texts to avoid problems when they are fed into the
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/// diagnostic formatter a second time.
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static StringRef escapeDiag(StringRef Str, SmallVectorImpl<char> &Buf) {
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size_t Pos = Str.find('%');
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if (Pos == StringRef::npos)
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return Str;
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// We found a '%'. Replace this and all following '%' with '%%'.
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Buf.clear();
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Buf.append(Str.data(), Str.data() + Pos);
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for (size_t I = Pos, E = Str.size(); I != E; ++I) {
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if (Str[I] == '%')
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Buf.push_back('%');
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Buf.push_back(Str[I]);
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}
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return StringRef(Buf.data(), Buf.size());
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}
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void TextDiagnosticBuffer::FlushDiagnostics(DiagnosticsEngine &Diags) const {
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SmallVector<char, 64> Buf;
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// FIXME: Flush the diagnostics in order.
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for (const_iterator it = err_begin(), ie = err_end(); it != ie; ++it)
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Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Error,
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escapeDiag(it->second, Buf)));
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for (const_iterator it = warn_begin(), ie = warn_end(); it != ie; ++it)
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Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Warning,
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escapeDiag(it->second, Buf)));
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for (const_iterator it = note_begin(), ie = note_end(); it != ie; ++it)
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Diags.Report(Diags.getCustomDiagID(DiagnosticsEngine::Note,
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escapeDiag(it->second, Buf)));
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}
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