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diff --git a/contrib/llvm-project/llvm/tools/llvm-cov/SourceCoverageViewHTML.h b/contrib/llvm-project/llvm/tools/llvm-cov/SourceCoverageViewHTML.h
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+++ b/contrib/llvm-project/llvm/tools/llvm-cov/SourceCoverageViewHTML.h
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+//===- SourceCoverageViewHTML.h - A html code coverage view ---------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file This file defines the interface to the html coverage renderer.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_COV_SOURCECOVERAGEVIEWHTML_H
+#define LLVM_COV_SOURCECOVERAGEVIEWHTML_H
+
+#include "SourceCoverageView.h"
+
+namespace llvm {
+
+using namespace coverage;
+
+struct FileCoverageSummary;
+
+/// A coverage printer for html output.
+class CoveragePrinterHTML : public CoveragePrinter {
+public:
+  Expected<OwnedStream> createViewFile(StringRef Path,
+                                       bool InToplevel) override;
+
+  void closeViewFile(OwnedStream OS) override;
+
+  Error createIndexFile(ArrayRef<std::string> SourceFiles,
+                        const coverage::CoverageMapping &Coverage,
+                        const CoverageFiltersMatchAll &Filters) override;
+
+  CoveragePrinterHTML(const CoverageViewOptions &Opts)
+      : CoveragePrinter(Opts) {}
+
+private:
+  void emitFileSummary(raw_ostream &OS, StringRef SF,
+                       const FileCoverageSummary &FCS,
+                       bool IsTotals = false) const;
+  std::string buildLinkToFile(StringRef SF,
+                              const FileCoverageSummary &FCS) const;
+};
+
+/// A code coverage view which supports html-based rendering.
+class SourceCoverageViewHTML : public SourceCoverageView {
+  void renderViewHeader(raw_ostream &OS) override;
+
+  void renderViewFooter(raw_ostream &OS) override;
+
+  void renderSourceName(raw_ostream &OS, bool WholeFile) override;
+
+  void renderLinePrefix(raw_ostream &OS, unsigned ViewDepth) override;
+
+  void renderLineSuffix(raw_ostream &OS, unsigned ViewDepth) override;
+
+  void renderViewDivider(raw_ostream &OS, unsigned ViewDepth) override;
+
+  void renderLine(raw_ostream &OS, LineRef L, const LineCoverageStats &LCS,
+                  unsigned ExpansionCol, unsigned ViewDepth) override;
+
+  void renderExpansionSite(raw_ostream &OS, LineRef L,
+                           const LineCoverageStats &LCS, unsigned ExpansionCol,
+                           unsigned ViewDepth) override;
+
+  void renderExpansionView(raw_ostream &OS, ExpansionView &ESV,
+                           unsigned ViewDepth) override;
+
+  void renderInstantiationView(raw_ostream &OS, InstantiationView &ISV,
+                               unsigned ViewDepth) override;
+
+  void renderLineCoverageColumn(raw_ostream &OS,
+                                const LineCoverageStats &Line) override;
+
+  void renderLineNumberColumn(raw_ostream &OS, unsigned LineNo) override;
+
+  void renderRegionMarkers(raw_ostream &OS, const LineCoverageStats &Line,
+                           unsigned ViewDepth) override;
+
+  void renderTitle(raw_ostream &OS, StringRef Title) override;
+
+  void renderTableHeader(raw_ostream &OS, unsigned FirstUncoveredLineNo,
+                         unsigned IndentLevel) override;
+
+public:
+  SourceCoverageViewHTML(StringRef SourceName, const MemoryBuffer &File,
+                         const CoverageViewOptions &Options,
+                         coverage::CoverageData &&CoverageInfo)
+      : SourceCoverageView(SourceName, File, Options, std::move(CoverageInfo)) {
+  }
+};
+
+} // namespace llvm
+
+#endif // LLVM_COV_SOURCECOVERAGEVIEWHTML_H