|  | //===- SourceCoverageViewHTML.cpp - A html code coverage view -------------===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is distributed under the University of Illinois Open Source | 
|  | // License. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  | /// | 
|  | /// \file This file implements the html coverage renderer. | 
|  | /// | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #include "CoverageReport.h" | 
|  | #include "SourceCoverageViewHTML.h" | 
|  | #include "llvm/ADT/Optional.h" | 
|  | #include "llvm/ADT/SmallString.h" | 
|  | #include "llvm/ADT/StringExtras.h" | 
|  | #include "llvm/Support/Format.h" | 
|  | #include "llvm/Support/Path.h" | 
|  |  | 
|  | using namespace llvm; | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | // Return a string with the special characters in \p Str escaped. | 
|  | std::string escape(StringRef Str, const CoverageViewOptions &Opts) { | 
|  | std::string TabExpandedResult; | 
|  | unsigned ColNum = 0; // Record the column number. | 
|  | for (char C : Str) { | 
|  | if (C == '\t') { | 
|  | // Replace '\t' with up to TabSize spaces. | 
|  | unsigned NumSpaces = Opts.TabSize - (ColNum % Opts.TabSize); | 
|  | for (unsigned I = 0; I < NumSpaces; ++I) | 
|  | TabExpandedResult += ' '; | 
|  | ColNum += NumSpaces; | 
|  | } else { | 
|  | TabExpandedResult += C; | 
|  | if (C == '\n' || C == '\r') | 
|  | ColNum = 0; | 
|  | else | 
|  | ++ColNum; | 
|  | } | 
|  | } | 
|  | std::string EscapedHTML; | 
|  | { | 
|  | raw_string_ostream OS{EscapedHTML}; | 
|  | printHTMLEscaped(TabExpandedResult, OS); | 
|  | } | 
|  | return EscapedHTML; | 
|  | } | 
|  |  | 
|  | // Create a \p Name tag around \p Str, and optionally set its \p ClassName. | 
|  | std::string tag(const std::string &Name, const std::string &Str, | 
|  | const std::string &ClassName = "") { | 
|  | std::string Tag = "<" + Name; | 
|  | if (ClassName != "") | 
|  | Tag += " class='" + ClassName + "'"; | 
|  | return Tag + ">" + Str + "</" + Name + ">"; | 
|  | } | 
|  |  | 
|  | // Create an anchor to \p Link with the label \p Str. | 
|  | std::string a(const std::string &Link, const std::string &Str, | 
|  | const std::string &TargetName = "") { | 
|  | std::string Name = TargetName.empty() ? "" : ("name='" + TargetName + "' "); | 
|  | return "<a " + Name + "href='" + Link + "'>" + Str + "</a>"; | 
|  | } | 
|  |  | 
|  | const char *BeginHeader = | 
|  | "<head>" | 
|  | "<meta name='viewport' content='width=device-width,initial-scale=1'>" | 
|  | "<meta charset='UTF-8'>"; | 
|  |  | 
|  | const char *CSSForCoverage = | 
|  | R"(.red { | 
|  | background-color: #ffd0d0; | 
|  | } | 
|  | .cyan { | 
|  | background-color: cyan; | 
|  | } | 
|  | body { | 
|  | font-family: -apple-system, sans-serif; | 
|  | } | 
|  | pre { | 
|  | margin-top: 0px !important; | 
|  | margin-bottom: 0px !important; | 
|  | } | 
|  | .source-name-title { | 
|  | padding: 5px 10px; | 
|  | border-bottom: 1px solid #dbdbdb; | 
|  | background-color: #eee; | 
|  | line-height: 35px; | 
|  | } | 
|  | .centered { | 
|  | display: table; | 
|  | margin-left: left; | 
|  | margin-right: auto; | 
|  | border: 1px solid #dbdbdb; | 
|  | border-radius: 3px; | 
|  | } | 
|  | .expansion-view { | 
|  | background-color: rgba(0, 0, 0, 0); | 
|  | margin-left: 0px; | 
|  | margin-top: 5px; | 
|  | margin-right: 5px; | 
|  | margin-bottom: 5px; | 
|  | border: 1px solid #dbdbdb; | 
|  | border-radius: 3px; | 
|  | } | 
|  | table { | 
|  | border-collapse: collapse; | 
|  | } | 
|  | .light-row { | 
|  | background: #ffffff; | 
|  | border: 1px solid #dbdbdb; | 
|  | } | 
|  | .light-row-bold { | 
|  | background: #ffffff; | 
|  | border: 1px solid #dbdbdb; | 
|  | font-weight: bold; | 
|  | } | 
|  | .column-entry { | 
|  | text-align: left; | 
|  | } | 
|  | .column-entry-bold { | 
|  | font-weight: bold; | 
|  | text-align: left; | 
|  | } | 
|  | .column-entry-yellow { | 
|  | text-align: left; | 
|  | background-color: #ffffd0; | 
|  | } | 
|  | .column-entry-yellow:hover { | 
|  | background-color: #fffff0; | 
|  | } | 
|  | .column-entry-red { | 
|  | text-align: left; | 
|  | background-color: #ffd0d0; | 
|  | } | 
|  | .column-entry-red:hover { | 
|  | background-color: #fff0f0; | 
|  | } | 
|  | .column-entry-green { | 
|  | text-align: left; | 
|  | background-color: #d0ffd0; | 
|  | } | 
|  | .column-entry-green:hover { | 
|  | background-color: #f0fff0; | 
|  | } | 
|  | .line-number { | 
|  | text-align: right; | 
|  | color: #aaa; | 
|  | } | 
|  | .covered-line { | 
|  | text-align: right; | 
|  | color: #0080ff; | 
|  | } | 
|  | .uncovered-line { | 
|  | text-align: right; | 
|  | color: #ff3300; | 
|  | } | 
|  | .tooltip { | 
|  | position: relative; | 
|  | display: inline; | 
|  | background-color: #b3e6ff; | 
|  | text-decoration: none; | 
|  | } | 
|  | .tooltip span.tooltip-content { | 
|  | position: absolute; | 
|  | width: 100px; | 
|  | margin-left: -50px; | 
|  | color: #FFFFFF; | 
|  | background: #000000; | 
|  | height: 30px; | 
|  | line-height: 30px; | 
|  | text-align: center; | 
|  | visibility: hidden; | 
|  | border-radius: 6px; | 
|  | } | 
|  | .tooltip span.tooltip-content:after { | 
|  | content: ''; | 
|  | position: absolute; | 
|  | top: 100%; | 
|  | left: 50%; | 
|  | margin-left: -8px; | 
|  | width: 0; height: 0; | 
|  | border-top: 8px solid #000000; | 
|  | border-right: 8px solid transparent; | 
|  | border-left: 8px solid transparent; | 
|  | } | 
|  | :hover.tooltip span.tooltip-content { | 
|  | visibility: visible; | 
|  | opacity: 0.8; | 
|  | bottom: 30px; | 
|  | left: 50%; | 
|  | z-index: 999; | 
|  | } | 
|  | th, td { | 
|  | vertical-align: top; | 
|  | padding: 2px 8px; | 
|  | border-collapse: collapse; | 
|  | border-right: solid 1px #eee; | 
|  | border-left: solid 1px #eee; | 
|  | text-align: left; | 
|  | } | 
|  | td pre { | 
|  | display: inline-block; | 
|  | } | 
|  | td:first-child { | 
|  | border-left: none; | 
|  | } | 
|  | td:last-child { | 
|  | border-right: none; | 
|  | } | 
|  | tr:hover { | 
|  | background-color: #f0f0f0; | 
|  | } | 
|  | )"; | 
|  |  | 
|  | const char *EndHeader = "</head>"; | 
|  |  | 
|  | const char *BeginCenteredDiv = "<div class='centered'>"; | 
|  |  | 
|  | const char *EndCenteredDiv = "</div>"; | 
|  |  | 
|  | const char *BeginSourceNameDiv = "<div class='source-name-title'>"; | 
|  |  | 
|  | const char *EndSourceNameDiv = "</div>"; | 
|  |  | 
|  | const char *BeginCodeTD = "<td class='code'>"; | 
|  |  | 
|  | const char *EndCodeTD = "</td>"; | 
|  |  | 
|  | const char *BeginPre = "<pre>"; | 
|  |  | 
|  | const char *EndPre = "</pre>"; | 
|  |  | 
|  | const char *BeginExpansionDiv = "<div class='expansion-view'>"; | 
|  |  | 
|  | const char *EndExpansionDiv = "</div>"; | 
|  |  | 
|  | const char *BeginTable = "<table>"; | 
|  |  | 
|  | const char *EndTable = "</table>"; | 
|  |  | 
|  | const char *ProjectTitleTag = "h1"; | 
|  |  | 
|  | const char *ReportTitleTag = "h2"; | 
|  |  | 
|  | const char *CreatedTimeTag = "h4"; | 
|  |  | 
|  | std::string getPathToStyle(StringRef ViewPath) { | 
|  | std::string PathToStyle = ""; | 
|  | std::string PathSep = sys::path::get_separator(); | 
|  | unsigned NumSeps = ViewPath.count(PathSep); | 
|  | for (unsigned I = 0, E = NumSeps; I < E; ++I) | 
|  | PathToStyle += ".." + PathSep; | 
|  | return PathToStyle + "style.css"; | 
|  | } | 
|  |  | 
|  | void emitPrelude(raw_ostream &OS, const CoverageViewOptions &Opts, | 
|  | const std::string &PathToStyle = "") { | 
|  | OS << "<!doctype html>" | 
|  | "<html>" | 
|  | << BeginHeader; | 
|  |  | 
|  | // Link to a stylesheet if one is available. Otherwise, use the default style. | 
|  | if (PathToStyle.empty()) | 
|  | OS << "<style>" << CSSForCoverage << "</style>"; | 
|  | else | 
|  | OS << "<link rel='stylesheet' type='text/css' href='" | 
|  | << escape(PathToStyle, Opts) << "'>"; | 
|  |  | 
|  | OS << EndHeader << "<body>"; | 
|  | } | 
|  |  | 
|  | void emitEpilog(raw_ostream &OS) { | 
|  | OS << "</body>" | 
|  | << "</html>"; | 
|  | } | 
|  |  | 
|  | } // anonymous namespace | 
|  |  | 
|  | Expected<CoveragePrinter::OwnedStream> | 
|  | CoveragePrinterHTML::createViewFile(StringRef Path, bool InToplevel) { | 
|  | auto OSOrErr = createOutputStream(Path, "html", InToplevel); | 
|  | if (!OSOrErr) | 
|  | return OSOrErr; | 
|  |  | 
|  | OwnedStream OS = std::move(OSOrErr.get()); | 
|  |  | 
|  | if (!Opts.hasOutputDirectory()) { | 
|  | emitPrelude(*OS.get(), Opts); | 
|  | } else { | 
|  | std::string ViewPath = getOutputPath(Path, "html", InToplevel); | 
|  | emitPrelude(*OS.get(), Opts, getPathToStyle(ViewPath)); | 
|  | } | 
|  |  | 
|  | return std::move(OS); | 
|  | } | 
|  |  | 
|  | void CoveragePrinterHTML::closeViewFile(OwnedStream OS) { | 
|  | emitEpilog(*OS.get()); | 
|  | } | 
|  |  | 
|  | /// Emit column labels for the table in the index. | 
|  | static void emitColumnLabelsForIndex(raw_ostream &OS, | 
|  | const CoverageViewOptions &Opts) { | 
|  | SmallVector<std::string, 4> Columns; | 
|  | Columns.emplace_back(tag("td", "Filename", "column-entry-bold")); | 
|  | Columns.emplace_back(tag("td", "Function Coverage", "column-entry-bold")); | 
|  | if (Opts.ShowInstantiationSummary) | 
|  | Columns.emplace_back( | 
|  | tag("td", "Instantiation Coverage", "column-entry-bold")); | 
|  | Columns.emplace_back(tag("td", "Line Coverage", "column-entry-bold")); | 
|  | if (Opts.ShowRegionSummary) | 
|  | Columns.emplace_back(tag("td", "Region Coverage", "column-entry-bold")); | 
|  | OS << tag("tr", join(Columns.begin(), Columns.end(), "")); | 
|  | } | 
|  |  | 
|  | std::string | 
|  | CoveragePrinterHTML::buildLinkToFile(StringRef SF, | 
|  | const FileCoverageSummary &FCS) const { | 
|  | SmallString<128> LinkTextStr(sys::path::relative_path(FCS.Name)); | 
|  | sys::path::remove_dots(LinkTextStr, /*remove_dot_dots=*/true); | 
|  | sys::path::native(LinkTextStr); | 
|  | std::string LinkText = escape(LinkTextStr, Opts); | 
|  | std::string LinkTarget = | 
|  | escape(getOutputPath(SF, "html", /*InToplevel=*/false), Opts); | 
|  | return a(LinkTarget, LinkText); | 
|  | } | 
|  |  | 
|  | /// Render a file coverage summary (\p FCS) in a table row. If \p IsTotals is | 
|  | /// false, link the summary to \p SF. | 
|  | void CoveragePrinterHTML::emitFileSummary(raw_ostream &OS, StringRef SF, | 
|  | const FileCoverageSummary &FCS, | 
|  | bool IsTotals) const { | 
|  | SmallVector<std::string, 8> Columns; | 
|  |  | 
|  | // Format a coverage triple and add the result to the list of columns. | 
|  | auto AddCoverageTripleToColumn = [&Columns](unsigned Hit, unsigned Total, | 
|  | float Pctg) { | 
|  | std::string S; | 
|  | { | 
|  | raw_string_ostream RSO{S}; | 
|  | if (Total) | 
|  | RSO << format("%*.2f", 7, Pctg) << "% "; | 
|  | else | 
|  | RSO << "- "; | 
|  | RSO << '(' << Hit << '/' << Total << ')'; | 
|  | } | 
|  | const char *CellClass = "column-entry-yellow"; | 
|  | if (Hit == Total) | 
|  | CellClass = "column-entry-green"; | 
|  | else if (Pctg < 80.0) | 
|  | CellClass = "column-entry-red"; | 
|  | Columns.emplace_back(tag("td", tag("pre", S), CellClass)); | 
|  | }; | 
|  |  | 
|  | // Simplify the display file path, and wrap it in a link if requested. | 
|  | std::string Filename; | 
|  | if (IsTotals) { | 
|  | Filename = SF; | 
|  | } else { | 
|  | Filename = buildLinkToFile(SF, FCS); | 
|  | } | 
|  |  | 
|  | Columns.emplace_back(tag("td", tag("pre", Filename))); | 
|  | AddCoverageTripleToColumn(FCS.FunctionCoverage.getExecuted(), | 
|  | FCS.FunctionCoverage.getNumFunctions(), | 
|  | FCS.FunctionCoverage.getPercentCovered()); | 
|  | if (Opts.ShowInstantiationSummary) | 
|  | AddCoverageTripleToColumn(FCS.InstantiationCoverage.getExecuted(), | 
|  | FCS.InstantiationCoverage.getNumFunctions(), | 
|  | FCS.InstantiationCoverage.getPercentCovered()); | 
|  | AddCoverageTripleToColumn(FCS.LineCoverage.getCovered(), | 
|  | FCS.LineCoverage.getNumLines(), | 
|  | FCS.LineCoverage.getPercentCovered()); | 
|  | if (Opts.ShowRegionSummary) | 
|  | AddCoverageTripleToColumn(FCS.RegionCoverage.getCovered(), | 
|  | FCS.RegionCoverage.getNumRegions(), | 
|  | FCS.RegionCoverage.getPercentCovered()); | 
|  |  | 
|  | if (IsTotals) | 
|  | OS << tag("tr", join(Columns.begin(), Columns.end(), ""), "light-row-bold"); | 
|  | else | 
|  | OS << tag("tr", join(Columns.begin(), Columns.end(), ""), "light-row"); | 
|  | } | 
|  |  | 
|  | Error CoveragePrinterHTML::createIndexFile( | 
|  | ArrayRef<std::string> SourceFiles, const CoverageMapping &Coverage, | 
|  | const CoverageFiltersMatchAll &Filters) { | 
|  | // Emit the default stylesheet. | 
|  | auto CSSOrErr = createOutputStream("style", "css", /*InToplevel=*/true); | 
|  | if (Error E = CSSOrErr.takeError()) | 
|  | return E; | 
|  |  | 
|  | OwnedStream CSS = std::move(CSSOrErr.get()); | 
|  | CSS->operator<<(CSSForCoverage); | 
|  |  | 
|  | // Emit a file index along with some coverage statistics. | 
|  | auto OSOrErr = createOutputStream("index", "html", /*InToplevel=*/true); | 
|  | if (Error E = OSOrErr.takeError()) | 
|  | return E; | 
|  | auto OS = std::move(OSOrErr.get()); | 
|  | raw_ostream &OSRef = *OS.get(); | 
|  |  | 
|  | assert(Opts.hasOutputDirectory() && "No output directory for index file"); | 
|  | emitPrelude(OSRef, Opts, getPathToStyle("")); | 
|  |  | 
|  | // Emit some basic information about the coverage report. | 
|  | if (Opts.hasProjectTitle()) | 
|  | OSRef << tag(ProjectTitleTag, escape(Opts.ProjectTitle, Opts)); | 
|  | OSRef << tag(ReportTitleTag, "Coverage Report"); | 
|  | if (Opts.hasCreatedTime()) | 
|  | OSRef << tag(CreatedTimeTag, escape(Opts.CreatedTimeStr, Opts)); | 
|  |  | 
|  | // Emit a link to some documentation. | 
|  | OSRef << tag("p", "Click " + | 
|  | a("http://clang.llvm.org/docs/" | 
|  | "SourceBasedCodeCoverage.html#interpreting-reports", | 
|  | "here") + | 
|  | " for information about interpreting this report."); | 
|  |  | 
|  | // Emit a table containing links to reports for each file in the covmapping. | 
|  | // Exclude files which don't contain any regions. | 
|  | OSRef << BeginCenteredDiv << BeginTable; | 
|  | emitColumnLabelsForIndex(OSRef, Opts); | 
|  | FileCoverageSummary Totals("TOTALS"); | 
|  | auto FileReports = CoverageReport::prepareFileReports( | 
|  | Coverage, Totals, SourceFiles, Opts, Filters); | 
|  | bool EmptyFiles = false; | 
|  | for (unsigned I = 0, E = FileReports.size(); I < E; ++I) { | 
|  | if (FileReports[I].FunctionCoverage.getNumFunctions()) | 
|  | emitFileSummary(OSRef, SourceFiles[I], FileReports[I]); | 
|  | else | 
|  | EmptyFiles = true; | 
|  | } | 
|  | emitFileSummary(OSRef, "Totals", Totals, /*IsTotals=*/true); | 
|  | OSRef << EndTable << EndCenteredDiv; | 
|  |  | 
|  | // Emit links to files which don't contain any functions. These are normally | 
|  | // not very useful, but could be relevant for code which abuses the | 
|  | // preprocessor. | 
|  | if (EmptyFiles && Filters.empty()) { | 
|  | OSRef << tag("p", "Files which contain no functions. (These " | 
|  | "files contain code pulled into other files " | 
|  | "by the preprocessor.)\n"); | 
|  | OSRef << BeginCenteredDiv << BeginTable; | 
|  | for (unsigned I = 0, E = FileReports.size(); I < E; ++I) | 
|  | if (!FileReports[I].FunctionCoverage.getNumFunctions()) { | 
|  | std::string Link = buildLinkToFile(SourceFiles[I], FileReports[I]); | 
|  | OSRef << tag("tr", tag("td", tag("pre", Link)), "light-row") << '\n'; | 
|  | } | 
|  | OSRef << EndTable << EndCenteredDiv; | 
|  | } | 
|  |  | 
|  | OSRef << tag("h5", escape(Opts.getLLVMVersionString(), Opts)); | 
|  | emitEpilog(OSRef); | 
|  |  | 
|  | return Error::success(); | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderViewHeader(raw_ostream &OS) { | 
|  | OS << BeginCenteredDiv << BeginTable; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderViewFooter(raw_ostream &OS) { | 
|  | OS << EndTable << EndCenteredDiv; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile) { | 
|  | OS << BeginSourceNameDiv << tag("pre", escape(getSourceName(), getOptions())) | 
|  | << EndSourceNameDiv; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderLinePrefix(raw_ostream &OS, unsigned) { | 
|  | OS << "<tr>"; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderLineSuffix(raw_ostream &OS, unsigned) { | 
|  | // If this view has sub-views, renderLine() cannot close the view's cell. | 
|  | // Take care of it here, after all sub-views have been rendered. | 
|  | if (hasSubViews()) | 
|  | OS << EndCodeTD; | 
|  | OS << "</tr>"; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderViewDivider(raw_ostream &, unsigned) { | 
|  | // The table-based output makes view dividers unnecessary. | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderLine(raw_ostream &OS, LineRef L, | 
|  | const LineCoverageStats &LCS, | 
|  | unsigned ExpansionCol, unsigned) { | 
|  | StringRef Line = L.Line; | 
|  | unsigned LineNo = L.LineNo; | 
|  |  | 
|  | // Steps for handling text-escaping, highlighting, and tooltip creation: | 
|  | // | 
|  | // 1. Split the line into N+1 snippets, where N = |Segments|. The first | 
|  | //    snippet starts from Col=1 and ends at the start of the first segment. | 
|  | //    The last snippet starts at the last mapped column in the line and ends | 
|  | //    at the end of the line. Both are required but may be empty. | 
|  |  | 
|  | SmallVector<std::string, 8> Snippets; | 
|  | CoverageSegmentArray Segments = LCS.getLineSegments(); | 
|  |  | 
|  | unsigned LCol = 1; | 
|  | auto Snip = [&](unsigned Start, unsigned Len) { | 
|  | Snippets.push_back(Line.substr(Start, Len)); | 
|  | LCol += Len; | 
|  | }; | 
|  |  | 
|  | Snip(LCol - 1, Segments.empty() ? 0 : (Segments.front()->Col - 1)); | 
|  |  | 
|  | for (unsigned I = 1, E = Segments.size(); I < E; ++I) | 
|  | Snip(LCol - 1, Segments[I]->Col - LCol); | 
|  |  | 
|  | // |Line| + 1 is needed to avoid underflow when, e.g |Line| = 0 and LCol = 1. | 
|  | Snip(LCol - 1, Line.size() + 1 - LCol); | 
|  |  | 
|  | // 2. Escape all of the snippets. | 
|  |  | 
|  | for (unsigned I = 0, E = Snippets.size(); I < E; ++I) | 
|  | Snippets[I] = escape(Snippets[I], getOptions()); | 
|  |  | 
|  | // 3. Use \p WrappedSegment to set the highlight for snippet 0. Use segment | 
|  | //    1 to set the highlight for snippet 2, segment 2 to set the highlight for | 
|  | //    snippet 3, and so on. | 
|  |  | 
|  | Optional<StringRef> Color; | 
|  | SmallVector<std::pair<unsigned, unsigned>, 2> HighlightedRanges; | 
|  | auto Highlight = [&](const std::string &Snippet, unsigned LC, unsigned RC) { | 
|  | if (getOptions().Debug) | 
|  | HighlightedRanges.emplace_back(LC, RC); | 
|  | return tag("span", Snippet, Color.getValue()); | 
|  | }; | 
|  |  | 
|  | auto CheckIfUncovered = [&](const CoverageSegment *S) { | 
|  | return S && (!S->IsGapRegion || (Color && *Color == "red")) && | 
|  | S->HasCount && S->Count == 0; | 
|  | }; | 
|  |  | 
|  | if (CheckIfUncovered(LCS.getWrappedSegment())) { | 
|  | Color = "red"; | 
|  | if (!Snippets[0].empty()) | 
|  | Snippets[0] = Highlight(Snippets[0], 1, 1 + Snippets[0].size()); | 
|  | } | 
|  |  | 
|  | for (unsigned I = 0, E = Segments.size(); I < E; ++I) { | 
|  | const auto *CurSeg = Segments[I]; | 
|  | if (CheckIfUncovered(CurSeg)) | 
|  | Color = "red"; | 
|  | else if (CurSeg->Col == ExpansionCol) | 
|  | Color = "cyan"; | 
|  | else | 
|  | Color = None; | 
|  |  | 
|  | if (Color.hasValue()) | 
|  | Snippets[I + 1] = Highlight(Snippets[I + 1], CurSeg->Col, | 
|  | CurSeg->Col + Snippets[I + 1].size()); | 
|  | } | 
|  |  | 
|  | if (Color.hasValue() && Segments.empty()) | 
|  | Snippets.back() = Highlight(Snippets.back(), 1, 1 + Snippets.back().size()); | 
|  |  | 
|  | if (getOptions().Debug) { | 
|  | for (const auto &Range : HighlightedRanges) { | 
|  | errs() << "Highlighted line " << LineNo << ", " << Range.first << " -> "; | 
|  | if (Range.second == 0) | 
|  | errs() << "?"; | 
|  | else | 
|  | errs() << Range.second; | 
|  | errs() << "\n"; | 
|  | } | 
|  | } | 
|  |  | 
|  | // 4. Snippets[1:N+1] correspond to \p Segments[0:N]: use these to generate | 
|  | //    sub-line region count tooltips if needed. | 
|  |  | 
|  | if (shouldRenderRegionMarkers(LCS)) { | 
|  | // Just consider the segments which start *and* end on this line. | 
|  | for (unsigned I = 0, E = Segments.size() - 1; I < E; ++I) { | 
|  | const auto *CurSeg = Segments[I]; | 
|  | if (!CurSeg->IsRegionEntry) | 
|  | continue; | 
|  | if (CurSeg->Count == LCS.getExecutionCount()) | 
|  | continue; | 
|  |  | 
|  | Snippets[I + 1] = | 
|  | tag("div", Snippets[I + 1] + tag("span", formatCount(CurSeg->Count), | 
|  | "tooltip-content"), | 
|  | "tooltip"); | 
|  |  | 
|  | if (getOptions().Debug) | 
|  | errs() << "Marker at " << CurSeg->Line << ":" << CurSeg->Col << " = " | 
|  | << formatCount(CurSeg->Count) << "\n"; | 
|  | } | 
|  | } | 
|  |  | 
|  | OS << BeginCodeTD; | 
|  | OS << BeginPre; | 
|  | for (const auto &Snippet : Snippets) | 
|  | OS << Snippet; | 
|  | OS << EndPre; | 
|  |  | 
|  | // If there are no sub-views left to attach to this cell, end the cell. | 
|  | // Otherwise, end it after the sub-views are rendered (renderLineSuffix()). | 
|  | if (!hasSubViews()) | 
|  | OS << EndCodeTD; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderLineCoverageColumn( | 
|  | raw_ostream &OS, const LineCoverageStats &Line) { | 
|  | std::string Count = ""; | 
|  | if (Line.isMapped()) | 
|  | Count = tag("pre", formatCount(Line.getExecutionCount())); | 
|  | std::string CoverageClass = | 
|  | (Line.getExecutionCount() > 0) ? "covered-line" : "uncovered-line"; | 
|  | OS << tag("td", Count, CoverageClass); | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderLineNumberColumn(raw_ostream &OS, | 
|  | unsigned LineNo) { | 
|  | std::string LineNoStr = utostr(uint64_t(LineNo)); | 
|  | std::string TargetName = "L" + LineNoStr; | 
|  | OS << tag("td", a("#" + TargetName, tag("pre", LineNoStr), TargetName), | 
|  | "line-number"); | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderRegionMarkers(raw_ostream &, | 
|  | const LineCoverageStats &Line, | 
|  | unsigned) { | 
|  | // Region markers are rendered in-line using tooltips. | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderExpansionSite(raw_ostream &OS, LineRef L, | 
|  | const LineCoverageStats &LCS, | 
|  | unsigned ExpansionCol, | 
|  | unsigned ViewDepth) { | 
|  | // Render the line containing the expansion site. No extra formatting needed. | 
|  | renderLine(OS, L, LCS, ExpansionCol, ViewDepth); | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderExpansionView(raw_ostream &OS, | 
|  | ExpansionView &ESV, | 
|  | unsigned ViewDepth) { | 
|  | OS << BeginExpansionDiv; | 
|  | ESV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/false, | 
|  | /*ShowTitle=*/false, ViewDepth + 1); | 
|  | OS << EndExpansionDiv; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderInstantiationView(raw_ostream &OS, | 
|  | InstantiationView &ISV, | 
|  | unsigned ViewDepth) { | 
|  | OS << BeginExpansionDiv; | 
|  | if (!ISV.View) | 
|  | OS << BeginSourceNameDiv | 
|  | << tag("pre", | 
|  | escape("Unexecuted instantiation: " + ISV.FunctionName.str(), | 
|  | getOptions())) | 
|  | << EndSourceNameDiv; | 
|  | else | 
|  | ISV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/true, | 
|  | /*ShowTitle=*/false, ViewDepth); | 
|  | OS << EndExpansionDiv; | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderTitle(raw_ostream &OS, StringRef Title) { | 
|  | if (getOptions().hasProjectTitle()) | 
|  | OS << tag(ProjectTitleTag, escape(getOptions().ProjectTitle, getOptions())); | 
|  | OS << tag(ReportTitleTag, escape(Title, getOptions())); | 
|  | if (getOptions().hasCreatedTime()) | 
|  | OS << tag(CreatedTimeTag, | 
|  | escape(getOptions().CreatedTimeStr, getOptions())); | 
|  | } | 
|  |  | 
|  | void SourceCoverageViewHTML::renderTableHeader(raw_ostream &OS, | 
|  | unsigned FirstUncoveredLineNo, | 
|  | unsigned ViewDepth) { | 
|  | std::string SourceLabel; | 
|  | if (FirstUncoveredLineNo == 0) { | 
|  | SourceLabel = tag("td", tag("pre", "Source")); | 
|  | } else { | 
|  | std::string LinkTarget = "#L" + utostr(uint64_t(FirstUncoveredLineNo)); | 
|  | SourceLabel = | 
|  | tag("td", tag("pre", "Source (" + | 
|  | a(LinkTarget, "jump to first uncovered line") + | 
|  | ")")); | 
|  | } | 
|  |  | 
|  | renderLinePrefix(OS, ViewDepth); | 
|  | OS << tag("td", tag("pre", "Line")) << tag("td", tag("pre", "Count")) | 
|  | << SourceLabel; | 
|  | renderLineSuffix(OS, ViewDepth); | 
|  | } |