xref: /freebsd-src/contrib/llvm-project/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp (revision 81ad626541db97eb356e2c1d4a20eb2a26a766ab)
10b57cec5SDimitry Andric //===- SourceCoverageViewHTML.cpp - A html code coverage view -------------===//
20b57cec5SDimitry Andric //
30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
60b57cec5SDimitry Andric //
70b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
80b57cec5SDimitry Andric ///
90b57cec5SDimitry Andric /// \file This file implements the html coverage renderer.
100b57cec5SDimitry Andric ///
110b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
120b57cec5SDimitry Andric 
130b57cec5SDimitry Andric #include "CoverageReport.h"
140b57cec5SDimitry Andric #include "SourceCoverageViewHTML.h"
150b57cec5SDimitry Andric #include "llvm/ADT/Optional.h"
160b57cec5SDimitry Andric #include "llvm/ADT/SmallString.h"
170b57cec5SDimitry Andric #include "llvm/ADT/StringExtras.h"
180b57cec5SDimitry Andric #include "llvm/Support/Format.h"
190b57cec5SDimitry Andric #include "llvm/Support/Path.h"
200b57cec5SDimitry Andric 
210b57cec5SDimitry Andric using namespace llvm;
220b57cec5SDimitry Andric 
230b57cec5SDimitry Andric namespace {
240b57cec5SDimitry Andric 
250b57cec5SDimitry Andric // Return a string with the special characters in \p Str escaped.
260b57cec5SDimitry Andric std::string escape(StringRef Str, const CoverageViewOptions &Opts) {
270b57cec5SDimitry Andric   std::string TabExpandedResult;
280b57cec5SDimitry Andric   unsigned ColNum = 0; // Record the column number.
290b57cec5SDimitry Andric   for (char C : Str) {
300b57cec5SDimitry Andric     if (C == '\t') {
310b57cec5SDimitry Andric       // Replace '\t' with up to TabSize spaces.
320b57cec5SDimitry Andric       unsigned NumSpaces = Opts.TabSize - (ColNum % Opts.TabSize);
335ffd83dbSDimitry Andric       TabExpandedResult.append(NumSpaces, ' ');
340b57cec5SDimitry Andric       ColNum += NumSpaces;
350b57cec5SDimitry Andric     } else {
360b57cec5SDimitry Andric       TabExpandedResult += C;
370b57cec5SDimitry Andric       if (C == '\n' || C == '\r')
380b57cec5SDimitry Andric         ColNum = 0;
390b57cec5SDimitry Andric       else
400b57cec5SDimitry Andric         ++ColNum;
410b57cec5SDimitry Andric     }
420b57cec5SDimitry Andric   }
430b57cec5SDimitry Andric   std::string EscapedHTML;
440b57cec5SDimitry Andric   {
450b57cec5SDimitry Andric     raw_string_ostream OS{EscapedHTML};
460b57cec5SDimitry Andric     printHTMLEscaped(TabExpandedResult, OS);
470b57cec5SDimitry Andric   }
480b57cec5SDimitry Andric   return EscapedHTML;
490b57cec5SDimitry Andric }
500b57cec5SDimitry Andric 
510b57cec5SDimitry Andric // Create a \p Name tag around \p Str, and optionally set its \p ClassName.
520b57cec5SDimitry Andric std::string tag(const std::string &Name, const std::string &Str,
530b57cec5SDimitry Andric                 const std::string &ClassName = "") {
540b57cec5SDimitry Andric   std::string Tag = "<" + Name;
550b57cec5SDimitry Andric   if (!ClassName.empty())
560b57cec5SDimitry Andric     Tag += " class='" + ClassName + "'";
570b57cec5SDimitry Andric   return Tag + ">" + Str + "</" + Name + ">";
580b57cec5SDimitry Andric }
590b57cec5SDimitry Andric 
600b57cec5SDimitry Andric // Create an anchor to \p Link with the label \p Str.
610b57cec5SDimitry Andric std::string a(const std::string &Link, const std::string &Str,
620b57cec5SDimitry Andric               const std::string &TargetName = "") {
630b57cec5SDimitry Andric   std::string Name = TargetName.empty() ? "" : ("name='" + TargetName + "' ");
640b57cec5SDimitry Andric   return "<a " + Name + "href='" + Link + "'>" + Str + "</a>";
650b57cec5SDimitry Andric }
660b57cec5SDimitry Andric 
670b57cec5SDimitry Andric const char *BeginHeader =
680b57cec5SDimitry Andric   "<head>"
690b57cec5SDimitry Andric     "<meta name='viewport' content='width=device-width,initial-scale=1'>"
700b57cec5SDimitry Andric     "<meta charset='UTF-8'>";
710b57cec5SDimitry Andric 
720b57cec5SDimitry Andric const char *CSSForCoverage =
730b57cec5SDimitry Andric     R"(.red {
740b57cec5SDimitry Andric   background-color: #ffd0d0;
750b57cec5SDimitry Andric }
760b57cec5SDimitry Andric .cyan {
770b57cec5SDimitry Andric   background-color: cyan;
780b57cec5SDimitry Andric }
790b57cec5SDimitry Andric body {
800b57cec5SDimitry Andric   font-family: -apple-system, sans-serif;
810b57cec5SDimitry Andric }
820b57cec5SDimitry Andric pre {
830b57cec5SDimitry Andric   margin-top: 0px !important;
840b57cec5SDimitry Andric   margin-bottom: 0px !important;
850b57cec5SDimitry Andric }
860b57cec5SDimitry Andric .source-name-title {
870b57cec5SDimitry Andric   padding: 5px 10px;
880b57cec5SDimitry Andric   border-bottom: 1px solid #dbdbdb;
890b57cec5SDimitry Andric   background-color: #eee;
900b57cec5SDimitry Andric   line-height: 35px;
910b57cec5SDimitry Andric }
920b57cec5SDimitry Andric .centered {
930b57cec5SDimitry Andric   display: table;
940b57cec5SDimitry Andric   margin-left: left;
950b57cec5SDimitry Andric   margin-right: auto;
960b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
970b57cec5SDimitry Andric   border-radius: 3px;
980b57cec5SDimitry Andric }
990b57cec5SDimitry Andric .expansion-view {
1000b57cec5SDimitry Andric   background-color: rgba(0, 0, 0, 0);
1010b57cec5SDimitry Andric   margin-left: 0px;
1020b57cec5SDimitry Andric   margin-top: 5px;
1030b57cec5SDimitry Andric   margin-right: 5px;
1040b57cec5SDimitry Andric   margin-bottom: 5px;
1050b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
1060b57cec5SDimitry Andric   border-radius: 3px;
1070b57cec5SDimitry Andric }
1080b57cec5SDimitry Andric table {
1090b57cec5SDimitry Andric   border-collapse: collapse;
1100b57cec5SDimitry Andric }
1110b57cec5SDimitry Andric .light-row {
1120b57cec5SDimitry Andric   background: #ffffff;
1130b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
1140b57cec5SDimitry Andric }
1150b57cec5SDimitry Andric .light-row-bold {
1160b57cec5SDimitry Andric   background: #ffffff;
1170b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
1180b57cec5SDimitry Andric   font-weight: bold;
1190b57cec5SDimitry Andric }
1200b57cec5SDimitry Andric .column-entry {
1210b57cec5SDimitry Andric   text-align: left;
1220b57cec5SDimitry Andric }
1230b57cec5SDimitry Andric .column-entry-bold {
1240b57cec5SDimitry Andric   font-weight: bold;
1250b57cec5SDimitry Andric   text-align: left;
1260b57cec5SDimitry Andric }
1270b57cec5SDimitry Andric .column-entry-yellow {
1280b57cec5SDimitry Andric   text-align: left;
1290b57cec5SDimitry Andric   background-color: #ffffd0;
1300b57cec5SDimitry Andric }
1310b57cec5SDimitry Andric .column-entry-yellow:hover {
1320b57cec5SDimitry Andric   background-color: #fffff0;
1330b57cec5SDimitry Andric }
1340b57cec5SDimitry Andric .column-entry-red {
1350b57cec5SDimitry Andric   text-align: left;
1360b57cec5SDimitry Andric   background-color: #ffd0d0;
1370b57cec5SDimitry Andric }
1380b57cec5SDimitry Andric .column-entry-red:hover {
1390b57cec5SDimitry Andric   background-color: #fff0f0;
1400b57cec5SDimitry Andric }
1410b57cec5SDimitry Andric .column-entry-green {
1420b57cec5SDimitry Andric   text-align: left;
1430b57cec5SDimitry Andric   background-color: #d0ffd0;
1440b57cec5SDimitry Andric }
1450b57cec5SDimitry Andric .column-entry-green:hover {
1460b57cec5SDimitry Andric   background-color: #f0fff0;
1470b57cec5SDimitry Andric }
1480b57cec5SDimitry Andric .line-number {
1490b57cec5SDimitry Andric   text-align: right;
1500b57cec5SDimitry Andric   color: #aaa;
1510b57cec5SDimitry Andric }
1520b57cec5SDimitry Andric .covered-line {
1530b57cec5SDimitry Andric   text-align: right;
1540b57cec5SDimitry Andric   color: #0080ff;
1550b57cec5SDimitry Andric }
1560b57cec5SDimitry Andric .uncovered-line {
1570b57cec5SDimitry Andric   text-align: right;
1580b57cec5SDimitry Andric   color: #ff3300;
1590b57cec5SDimitry Andric }
1600b57cec5SDimitry Andric .tooltip {
1610b57cec5SDimitry Andric   position: relative;
1620b57cec5SDimitry Andric   display: inline;
1630b57cec5SDimitry Andric   background-color: #b3e6ff;
1640b57cec5SDimitry Andric   text-decoration: none;
1650b57cec5SDimitry Andric }
1660b57cec5SDimitry Andric .tooltip span.tooltip-content {
1670b57cec5SDimitry Andric   position: absolute;
1680b57cec5SDimitry Andric   width: 100px;
1690b57cec5SDimitry Andric   margin-left: -50px;
1700b57cec5SDimitry Andric   color: #FFFFFF;
1710b57cec5SDimitry Andric   background: #000000;
1720b57cec5SDimitry Andric   height: 30px;
1730b57cec5SDimitry Andric   line-height: 30px;
1740b57cec5SDimitry Andric   text-align: center;
1750b57cec5SDimitry Andric   visibility: hidden;
1760b57cec5SDimitry Andric   border-radius: 6px;
1770b57cec5SDimitry Andric }
1780b57cec5SDimitry Andric .tooltip span.tooltip-content:after {
1790b57cec5SDimitry Andric   content: '';
1800b57cec5SDimitry Andric   position: absolute;
1810b57cec5SDimitry Andric   top: 100%;
1820b57cec5SDimitry Andric   left: 50%;
1830b57cec5SDimitry Andric   margin-left: -8px;
1840b57cec5SDimitry Andric   width: 0; height: 0;
1850b57cec5SDimitry Andric   border-top: 8px solid #000000;
1860b57cec5SDimitry Andric   border-right: 8px solid transparent;
1870b57cec5SDimitry Andric   border-left: 8px solid transparent;
1880b57cec5SDimitry Andric }
1890b57cec5SDimitry Andric :hover.tooltip span.tooltip-content {
1900b57cec5SDimitry Andric   visibility: visible;
1910b57cec5SDimitry Andric   opacity: 0.8;
1920b57cec5SDimitry Andric   bottom: 30px;
1930b57cec5SDimitry Andric   left: 50%;
1940b57cec5SDimitry Andric   z-index: 999;
1950b57cec5SDimitry Andric }
1960b57cec5SDimitry Andric th, td {
1970b57cec5SDimitry Andric   vertical-align: top;
1980b57cec5SDimitry Andric   padding: 2px 8px;
1990b57cec5SDimitry Andric   border-collapse: collapse;
2000b57cec5SDimitry Andric   border-right: solid 1px #eee;
2010b57cec5SDimitry Andric   border-left: solid 1px #eee;
2020b57cec5SDimitry Andric   text-align: left;
2030b57cec5SDimitry Andric }
2040b57cec5SDimitry Andric td pre {
2050b57cec5SDimitry Andric   display: inline-block;
2060b57cec5SDimitry Andric }
2070b57cec5SDimitry Andric td:first-child {
2080b57cec5SDimitry Andric   border-left: none;
2090b57cec5SDimitry Andric }
2100b57cec5SDimitry Andric td:last-child {
2110b57cec5SDimitry Andric   border-right: none;
2120b57cec5SDimitry Andric }
2130b57cec5SDimitry Andric tr:hover {
2140b57cec5SDimitry Andric   background-color: #f0f0f0;
2150b57cec5SDimitry Andric }
2160b57cec5SDimitry Andric )";
2170b57cec5SDimitry Andric 
2180b57cec5SDimitry Andric const char *EndHeader = "</head>";
2190b57cec5SDimitry Andric 
2200b57cec5SDimitry Andric const char *BeginCenteredDiv = "<div class='centered'>";
2210b57cec5SDimitry Andric 
2220b57cec5SDimitry Andric const char *EndCenteredDiv = "</div>";
2230b57cec5SDimitry Andric 
2240b57cec5SDimitry Andric const char *BeginSourceNameDiv = "<div class='source-name-title'>";
2250b57cec5SDimitry Andric 
2260b57cec5SDimitry Andric const char *EndSourceNameDiv = "</div>";
2270b57cec5SDimitry Andric 
2280b57cec5SDimitry Andric const char *BeginCodeTD = "<td class='code'>";
2290b57cec5SDimitry Andric 
2300b57cec5SDimitry Andric const char *EndCodeTD = "</td>";
2310b57cec5SDimitry Andric 
2320b57cec5SDimitry Andric const char *BeginPre = "<pre>";
2330b57cec5SDimitry Andric 
2340b57cec5SDimitry Andric const char *EndPre = "</pre>";
2350b57cec5SDimitry Andric 
2360b57cec5SDimitry Andric const char *BeginExpansionDiv = "<div class='expansion-view'>";
2370b57cec5SDimitry Andric 
2380b57cec5SDimitry Andric const char *EndExpansionDiv = "</div>";
2390b57cec5SDimitry Andric 
2400b57cec5SDimitry Andric const char *BeginTable = "<table>";
2410b57cec5SDimitry Andric 
2420b57cec5SDimitry Andric const char *EndTable = "</table>";
2430b57cec5SDimitry Andric 
2440b57cec5SDimitry Andric const char *ProjectTitleTag = "h1";
2450b57cec5SDimitry Andric 
2460b57cec5SDimitry Andric const char *ReportTitleTag = "h2";
2470b57cec5SDimitry Andric 
2480b57cec5SDimitry Andric const char *CreatedTimeTag = "h4";
2490b57cec5SDimitry Andric 
2500b57cec5SDimitry Andric std::string getPathToStyle(StringRef ViewPath) {
251e8d8bef9SDimitry Andric   std::string PathToStyle;
2525ffd83dbSDimitry Andric   std::string PathSep = std::string(sys::path::get_separator());
2530b57cec5SDimitry Andric   unsigned NumSeps = ViewPath.count(PathSep);
2540b57cec5SDimitry Andric   for (unsigned I = 0, E = NumSeps; I < E; ++I)
2550b57cec5SDimitry Andric     PathToStyle += ".." + PathSep;
2560b57cec5SDimitry Andric   return PathToStyle + "style.css";
2570b57cec5SDimitry Andric }
2580b57cec5SDimitry Andric 
2590b57cec5SDimitry Andric void emitPrelude(raw_ostream &OS, const CoverageViewOptions &Opts,
2600b57cec5SDimitry Andric                  const std::string &PathToStyle = "") {
2610b57cec5SDimitry Andric   OS << "<!doctype html>"
2620b57cec5SDimitry Andric         "<html>"
2630b57cec5SDimitry Andric      << BeginHeader;
2640b57cec5SDimitry Andric 
2650b57cec5SDimitry Andric   // Link to a stylesheet if one is available. Otherwise, use the default style.
2660b57cec5SDimitry Andric   if (PathToStyle.empty())
2670b57cec5SDimitry Andric     OS << "<style>" << CSSForCoverage << "</style>";
2680b57cec5SDimitry Andric   else
2690b57cec5SDimitry Andric     OS << "<link rel='stylesheet' type='text/css' href='"
2700b57cec5SDimitry Andric        << escape(PathToStyle, Opts) << "'>";
2710b57cec5SDimitry Andric 
2720b57cec5SDimitry Andric   OS << EndHeader << "<body>";
2730b57cec5SDimitry Andric }
2740b57cec5SDimitry Andric 
2750b57cec5SDimitry Andric void emitEpilog(raw_ostream &OS) {
2760b57cec5SDimitry Andric   OS << "</body>"
2770b57cec5SDimitry Andric      << "</html>";
2780b57cec5SDimitry Andric }
2790b57cec5SDimitry Andric 
2800b57cec5SDimitry Andric } // anonymous namespace
2810b57cec5SDimitry Andric 
2820b57cec5SDimitry Andric Expected<CoveragePrinter::OwnedStream>
2830b57cec5SDimitry Andric CoveragePrinterHTML::createViewFile(StringRef Path, bool InToplevel) {
2840b57cec5SDimitry Andric   auto OSOrErr = createOutputStream(Path, "html", InToplevel);
2850b57cec5SDimitry Andric   if (!OSOrErr)
2860b57cec5SDimitry Andric     return OSOrErr;
2870b57cec5SDimitry Andric 
2880b57cec5SDimitry Andric   OwnedStream OS = std::move(OSOrErr.get());
2890b57cec5SDimitry Andric 
2900b57cec5SDimitry Andric   if (!Opts.hasOutputDirectory()) {
2910b57cec5SDimitry Andric     emitPrelude(*OS.get(), Opts);
2920b57cec5SDimitry Andric   } else {
2930b57cec5SDimitry Andric     std::string ViewPath = getOutputPath(Path, "html", InToplevel);
2940b57cec5SDimitry Andric     emitPrelude(*OS.get(), Opts, getPathToStyle(ViewPath));
2950b57cec5SDimitry Andric   }
2960b57cec5SDimitry Andric 
2970b57cec5SDimitry Andric   return std::move(OS);
2980b57cec5SDimitry Andric }
2990b57cec5SDimitry Andric 
3000b57cec5SDimitry Andric void CoveragePrinterHTML::closeViewFile(OwnedStream OS) {
3010b57cec5SDimitry Andric   emitEpilog(*OS.get());
3020b57cec5SDimitry Andric }
3030b57cec5SDimitry Andric 
3040b57cec5SDimitry Andric /// Emit column labels for the table in the index.
3050b57cec5SDimitry Andric static void emitColumnLabelsForIndex(raw_ostream &OS,
3060b57cec5SDimitry Andric                                      const CoverageViewOptions &Opts) {
3070b57cec5SDimitry Andric   SmallVector<std::string, 4> Columns;
3080b57cec5SDimitry Andric   Columns.emplace_back(tag("td", "Filename", "column-entry-bold"));
3090b57cec5SDimitry Andric   Columns.emplace_back(tag("td", "Function Coverage", "column-entry-bold"));
3100b57cec5SDimitry Andric   if (Opts.ShowInstantiationSummary)
3110b57cec5SDimitry Andric     Columns.emplace_back(
3120b57cec5SDimitry Andric         tag("td", "Instantiation Coverage", "column-entry-bold"));
3130b57cec5SDimitry Andric   Columns.emplace_back(tag("td", "Line Coverage", "column-entry-bold"));
3140b57cec5SDimitry Andric   if (Opts.ShowRegionSummary)
3150b57cec5SDimitry Andric     Columns.emplace_back(tag("td", "Region Coverage", "column-entry-bold"));
316e8d8bef9SDimitry Andric   if (Opts.ShowBranchSummary)
317e8d8bef9SDimitry Andric     Columns.emplace_back(tag("td", "Branch Coverage", "column-entry-bold"));
3180b57cec5SDimitry Andric   OS << tag("tr", join(Columns.begin(), Columns.end(), ""));
3190b57cec5SDimitry Andric }
3200b57cec5SDimitry Andric 
3210b57cec5SDimitry Andric std::string
3220b57cec5SDimitry Andric CoveragePrinterHTML::buildLinkToFile(StringRef SF,
3230b57cec5SDimitry Andric                                      const FileCoverageSummary &FCS) const {
3240b57cec5SDimitry Andric   SmallString<128> LinkTextStr(sys::path::relative_path(FCS.Name));
32504eeddc0SDimitry Andric   sys::path::remove_dots(LinkTextStr, /*remove_dot_dot=*/true);
3260b57cec5SDimitry Andric   sys::path::native(LinkTextStr);
3270b57cec5SDimitry Andric   std::string LinkText = escape(LinkTextStr, Opts);
3280b57cec5SDimitry Andric   std::string LinkTarget =
3290b57cec5SDimitry Andric       escape(getOutputPath(SF, "html", /*InToplevel=*/false), Opts);
3300b57cec5SDimitry Andric   return a(LinkTarget, LinkText);
3310b57cec5SDimitry Andric }
3320b57cec5SDimitry Andric 
3330b57cec5SDimitry Andric /// Render a file coverage summary (\p FCS) in a table row. If \p IsTotals is
3340b57cec5SDimitry Andric /// false, link the summary to \p SF.
3350b57cec5SDimitry Andric void CoveragePrinterHTML::emitFileSummary(raw_ostream &OS, StringRef SF,
3360b57cec5SDimitry Andric                                           const FileCoverageSummary &FCS,
3370b57cec5SDimitry Andric                                           bool IsTotals) const {
3380b57cec5SDimitry Andric   SmallVector<std::string, 8> Columns;
3390b57cec5SDimitry Andric 
3400b57cec5SDimitry Andric   // Format a coverage triple and add the result to the list of columns.
341*81ad6265SDimitry Andric   auto AddCoverageTripleToColumn =
342*81ad6265SDimitry Andric       [&Columns, this](unsigned Hit, unsigned Total, float Pctg) {
3430b57cec5SDimitry Andric         std::string S;
3440b57cec5SDimitry Andric         {
3450b57cec5SDimitry Andric           raw_string_ostream RSO{S};
3460b57cec5SDimitry Andric           if (Total)
3470b57cec5SDimitry Andric             RSO << format("%*.2f", 7, Pctg) << "% ";
3480b57cec5SDimitry Andric           else
3490b57cec5SDimitry Andric             RSO << "- ";
3500b57cec5SDimitry Andric           RSO << '(' << Hit << '/' << Total << ')';
3510b57cec5SDimitry Andric         }
3520b57cec5SDimitry Andric         const char *CellClass = "column-entry-yellow";
353*81ad6265SDimitry Andric         if (Pctg >= Opts.HighCovWatermark)
3540b57cec5SDimitry Andric           CellClass = "column-entry-green";
355*81ad6265SDimitry Andric         else if (Pctg < Opts.LowCovWatermark)
3560b57cec5SDimitry Andric           CellClass = "column-entry-red";
3570b57cec5SDimitry Andric         Columns.emplace_back(tag("td", tag("pre", S), CellClass));
3580b57cec5SDimitry Andric       };
3590b57cec5SDimitry Andric 
3600b57cec5SDimitry Andric   // Simplify the display file path, and wrap it in a link if requested.
3610b57cec5SDimitry Andric   std::string Filename;
3620b57cec5SDimitry Andric   if (IsTotals) {
3635ffd83dbSDimitry Andric     Filename = std::string(SF);
3640b57cec5SDimitry Andric   } else {
3650b57cec5SDimitry Andric     Filename = buildLinkToFile(SF, FCS);
3660b57cec5SDimitry Andric   }
3670b57cec5SDimitry Andric 
3680b57cec5SDimitry Andric   Columns.emplace_back(tag("td", tag("pre", Filename)));
3690b57cec5SDimitry Andric   AddCoverageTripleToColumn(FCS.FunctionCoverage.getExecuted(),
3700b57cec5SDimitry Andric                             FCS.FunctionCoverage.getNumFunctions(),
3710b57cec5SDimitry Andric                             FCS.FunctionCoverage.getPercentCovered());
3720b57cec5SDimitry Andric   if (Opts.ShowInstantiationSummary)
3730b57cec5SDimitry Andric     AddCoverageTripleToColumn(FCS.InstantiationCoverage.getExecuted(),
3740b57cec5SDimitry Andric                               FCS.InstantiationCoverage.getNumFunctions(),
3750b57cec5SDimitry Andric                               FCS.InstantiationCoverage.getPercentCovered());
3760b57cec5SDimitry Andric   AddCoverageTripleToColumn(FCS.LineCoverage.getCovered(),
3770b57cec5SDimitry Andric                             FCS.LineCoverage.getNumLines(),
3780b57cec5SDimitry Andric                             FCS.LineCoverage.getPercentCovered());
3790b57cec5SDimitry Andric   if (Opts.ShowRegionSummary)
3800b57cec5SDimitry Andric     AddCoverageTripleToColumn(FCS.RegionCoverage.getCovered(),
3810b57cec5SDimitry Andric                               FCS.RegionCoverage.getNumRegions(),
3820b57cec5SDimitry Andric                               FCS.RegionCoverage.getPercentCovered());
383e8d8bef9SDimitry Andric   if (Opts.ShowBranchSummary)
384e8d8bef9SDimitry Andric     AddCoverageTripleToColumn(FCS.BranchCoverage.getCovered(),
385e8d8bef9SDimitry Andric                               FCS.BranchCoverage.getNumBranches(),
386e8d8bef9SDimitry Andric                               FCS.BranchCoverage.getPercentCovered());
3870b57cec5SDimitry Andric 
3880b57cec5SDimitry Andric   if (IsTotals)
3890b57cec5SDimitry Andric     OS << tag("tr", join(Columns.begin(), Columns.end(), ""), "light-row-bold");
3900b57cec5SDimitry Andric   else
3910b57cec5SDimitry Andric     OS << tag("tr", join(Columns.begin(), Columns.end(), ""), "light-row");
3920b57cec5SDimitry Andric }
3930b57cec5SDimitry Andric 
3940b57cec5SDimitry Andric Error CoveragePrinterHTML::createIndexFile(
3950b57cec5SDimitry Andric     ArrayRef<std::string> SourceFiles, const CoverageMapping &Coverage,
3960b57cec5SDimitry Andric     const CoverageFiltersMatchAll &Filters) {
3970b57cec5SDimitry Andric   // Emit the default stylesheet.
3980b57cec5SDimitry Andric   auto CSSOrErr = createOutputStream("style", "css", /*InToplevel=*/true);
3990b57cec5SDimitry Andric   if (Error E = CSSOrErr.takeError())
4000b57cec5SDimitry Andric     return E;
4010b57cec5SDimitry Andric 
4020b57cec5SDimitry Andric   OwnedStream CSS = std::move(CSSOrErr.get());
4030b57cec5SDimitry Andric   CSS->operator<<(CSSForCoverage);
4040b57cec5SDimitry Andric 
4050b57cec5SDimitry Andric   // Emit a file index along with some coverage statistics.
4060b57cec5SDimitry Andric   auto OSOrErr = createOutputStream("index", "html", /*InToplevel=*/true);
4070b57cec5SDimitry Andric   if (Error E = OSOrErr.takeError())
4080b57cec5SDimitry Andric     return E;
4090b57cec5SDimitry Andric   auto OS = std::move(OSOrErr.get());
4100b57cec5SDimitry Andric   raw_ostream &OSRef = *OS.get();
4110b57cec5SDimitry Andric 
4120b57cec5SDimitry Andric   assert(Opts.hasOutputDirectory() && "No output directory for index file");
4130b57cec5SDimitry Andric   emitPrelude(OSRef, Opts, getPathToStyle(""));
4140b57cec5SDimitry Andric 
4150b57cec5SDimitry Andric   // Emit some basic information about the coverage report.
4160b57cec5SDimitry Andric   if (Opts.hasProjectTitle())
4170b57cec5SDimitry Andric     OSRef << tag(ProjectTitleTag, escape(Opts.ProjectTitle, Opts));
4180b57cec5SDimitry Andric   OSRef << tag(ReportTitleTag, "Coverage Report");
4190b57cec5SDimitry Andric   if (Opts.hasCreatedTime())
4200b57cec5SDimitry Andric     OSRef << tag(CreatedTimeTag, escape(Opts.CreatedTimeStr, Opts));
4210b57cec5SDimitry Andric 
4220b57cec5SDimitry Andric   // Emit a link to some documentation.
4230b57cec5SDimitry Andric   OSRef << tag("p", "Click " +
4240b57cec5SDimitry Andric                         a("http://clang.llvm.org/docs/"
4250b57cec5SDimitry Andric                           "SourceBasedCodeCoverage.html#interpreting-reports",
4260b57cec5SDimitry Andric                           "here") +
4270b57cec5SDimitry Andric                         " for information about interpreting this report.");
4280b57cec5SDimitry Andric 
4290b57cec5SDimitry Andric   // Emit a table containing links to reports for each file in the covmapping.
4300b57cec5SDimitry Andric   // Exclude files which don't contain any regions.
4310b57cec5SDimitry Andric   OSRef << BeginCenteredDiv << BeginTable;
4320b57cec5SDimitry Andric   emitColumnLabelsForIndex(OSRef, Opts);
4330b57cec5SDimitry Andric   FileCoverageSummary Totals("TOTALS");
4340b57cec5SDimitry Andric   auto FileReports = CoverageReport::prepareFileReports(
4350b57cec5SDimitry Andric       Coverage, Totals, SourceFiles, Opts, Filters);
4360b57cec5SDimitry Andric   bool EmptyFiles = false;
4370b57cec5SDimitry Andric   for (unsigned I = 0, E = FileReports.size(); I < E; ++I) {
4380b57cec5SDimitry Andric     if (FileReports[I].FunctionCoverage.getNumFunctions())
4390b57cec5SDimitry Andric       emitFileSummary(OSRef, SourceFiles[I], FileReports[I]);
4400b57cec5SDimitry Andric     else
4410b57cec5SDimitry Andric       EmptyFiles = true;
4420b57cec5SDimitry Andric   }
4430b57cec5SDimitry Andric   emitFileSummary(OSRef, "Totals", Totals, /*IsTotals=*/true);
4440b57cec5SDimitry Andric   OSRef << EndTable << EndCenteredDiv;
4450b57cec5SDimitry Andric 
4460b57cec5SDimitry Andric   // Emit links to files which don't contain any functions. These are normally
4470b57cec5SDimitry Andric   // not very useful, but could be relevant for code which abuses the
4480b57cec5SDimitry Andric   // preprocessor.
4490b57cec5SDimitry Andric   if (EmptyFiles && Filters.empty()) {
4500b57cec5SDimitry Andric     OSRef << tag("p", "Files which contain no functions. (These "
4510b57cec5SDimitry Andric                       "files contain code pulled into other files "
4520b57cec5SDimitry Andric                       "by the preprocessor.)\n");
4530b57cec5SDimitry Andric     OSRef << BeginCenteredDiv << BeginTable;
4540b57cec5SDimitry Andric     for (unsigned I = 0, E = FileReports.size(); I < E; ++I)
4550b57cec5SDimitry Andric       if (!FileReports[I].FunctionCoverage.getNumFunctions()) {
4560b57cec5SDimitry Andric         std::string Link = buildLinkToFile(SourceFiles[I], FileReports[I]);
4570b57cec5SDimitry Andric         OSRef << tag("tr", tag("td", tag("pre", Link)), "light-row") << '\n';
4580b57cec5SDimitry Andric       }
4590b57cec5SDimitry Andric     OSRef << EndTable << EndCenteredDiv;
4600b57cec5SDimitry Andric   }
4610b57cec5SDimitry Andric 
4620b57cec5SDimitry Andric   OSRef << tag("h5", escape(Opts.getLLVMVersionString(), Opts));
4630b57cec5SDimitry Andric   emitEpilog(OSRef);
4640b57cec5SDimitry Andric 
4650b57cec5SDimitry Andric   return Error::success();
4660b57cec5SDimitry Andric }
4670b57cec5SDimitry Andric 
4680b57cec5SDimitry Andric void SourceCoverageViewHTML::renderViewHeader(raw_ostream &OS) {
4690b57cec5SDimitry Andric   OS << BeginCenteredDiv << BeginTable;
4700b57cec5SDimitry Andric }
4710b57cec5SDimitry Andric 
4720b57cec5SDimitry Andric void SourceCoverageViewHTML::renderViewFooter(raw_ostream &OS) {
4730b57cec5SDimitry Andric   OS << EndTable << EndCenteredDiv;
4740b57cec5SDimitry Andric }
4750b57cec5SDimitry Andric 
4760b57cec5SDimitry Andric void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile) {
4770b57cec5SDimitry Andric   OS << BeginSourceNameDiv << tag("pre", escape(getSourceName(), getOptions()))
4780b57cec5SDimitry Andric      << EndSourceNameDiv;
4790b57cec5SDimitry Andric }
4800b57cec5SDimitry Andric 
4810b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLinePrefix(raw_ostream &OS, unsigned) {
4820b57cec5SDimitry Andric   OS << "<tr>";
4830b57cec5SDimitry Andric }
4840b57cec5SDimitry Andric 
4850b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLineSuffix(raw_ostream &OS, unsigned) {
4860b57cec5SDimitry Andric   // If this view has sub-views, renderLine() cannot close the view's cell.
4870b57cec5SDimitry Andric   // Take care of it here, after all sub-views have been rendered.
4880b57cec5SDimitry Andric   if (hasSubViews())
4890b57cec5SDimitry Andric     OS << EndCodeTD;
4900b57cec5SDimitry Andric   OS << "</tr>";
4910b57cec5SDimitry Andric }
4920b57cec5SDimitry Andric 
4930b57cec5SDimitry Andric void SourceCoverageViewHTML::renderViewDivider(raw_ostream &, unsigned) {
4940b57cec5SDimitry Andric   // The table-based output makes view dividers unnecessary.
4950b57cec5SDimitry Andric }
4960b57cec5SDimitry Andric 
4970b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLine(raw_ostream &OS, LineRef L,
4980b57cec5SDimitry Andric                                         const LineCoverageStats &LCS,
4990b57cec5SDimitry Andric                                         unsigned ExpansionCol, unsigned) {
5000b57cec5SDimitry Andric   StringRef Line = L.Line;
5010b57cec5SDimitry Andric   unsigned LineNo = L.LineNo;
5020b57cec5SDimitry Andric 
5030b57cec5SDimitry Andric   // Steps for handling text-escaping, highlighting, and tooltip creation:
5040b57cec5SDimitry Andric   //
5050b57cec5SDimitry Andric   // 1. Split the line into N+1 snippets, where N = |Segments|. The first
5060b57cec5SDimitry Andric   //    snippet starts from Col=1 and ends at the start of the first segment.
5070b57cec5SDimitry Andric   //    The last snippet starts at the last mapped column in the line and ends
5080b57cec5SDimitry Andric   //    at the end of the line. Both are required but may be empty.
5090b57cec5SDimitry Andric 
5100b57cec5SDimitry Andric   SmallVector<std::string, 8> Snippets;
5110b57cec5SDimitry Andric   CoverageSegmentArray Segments = LCS.getLineSegments();
5120b57cec5SDimitry Andric 
5130b57cec5SDimitry Andric   unsigned LCol = 1;
5140b57cec5SDimitry Andric   auto Snip = [&](unsigned Start, unsigned Len) {
5155ffd83dbSDimitry Andric     Snippets.push_back(std::string(Line.substr(Start, Len)));
5160b57cec5SDimitry Andric     LCol += Len;
5170b57cec5SDimitry Andric   };
5180b57cec5SDimitry Andric 
5190b57cec5SDimitry Andric   Snip(LCol - 1, Segments.empty() ? 0 : (Segments.front()->Col - 1));
5200b57cec5SDimitry Andric 
5210b57cec5SDimitry Andric   for (unsigned I = 1, E = Segments.size(); I < E; ++I)
5220b57cec5SDimitry Andric     Snip(LCol - 1, Segments[I]->Col - LCol);
5230b57cec5SDimitry Andric 
5240b57cec5SDimitry Andric   // |Line| + 1 is needed to avoid underflow when, e.g |Line| = 0 and LCol = 1.
5250b57cec5SDimitry Andric   Snip(LCol - 1, Line.size() + 1 - LCol);
5260b57cec5SDimitry Andric 
5270b57cec5SDimitry Andric   // 2. Escape all of the snippets.
5280b57cec5SDimitry Andric 
5290b57cec5SDimitry Andric   for (unsigned I = 0, E = Snippets.size(); I < E; ++I)
5300b57cec5SDimitry Andric     Snippets[I] = escape(Snippets[I], getOptions());
5310b57cec5SDimitry Andric 
5320b57cec5SDimitry Andric   // 3. Use \p WrappedSegment to set the highlight for snippet 0. Use segment
5330b57cec5SDimitry Andric   //    1 to set the highlight for snippet 2, segment 2 to set the highlight for
5340b57cec5SDimitry Andric   //    snippet 3, and so on.
5350b57cec5SDimitry Andric 
5360b57cec5SDimitry Andric   Optional<StringRef> Color;
5370b57cec5SDimitry Andric   SmallVector<std::pair<unsigned, unsigned>, 2> HighlightedRanges;
5380b57cec5SDimitry Andric   auto Highlight = [&](const std::string &Snippet, unsigned LC, unsigned RC) {
5390b57cec5SDimitry Andric     if (getOptions().Debug)
5400b57cec5SDimitry Andric       HighlightedRanges.emplace_back(LC, RC);
541*81ad6265SDimitry Andric     return tag("span", Snippet, std::string(*Color));
5420b57cec5SDimitry Andric   };
5430b57cec5SDimitry Andric 
5440b57cec5SDimitry Andric   auto CheckIfUncovered = [&](const CoverageSegment *S) {
5450b57cec5SDimitry Andric     return S && (!S->IsGapRegion || (Color && *Color == "red")) &&
5460b57cec5SDimitry Andric            S->HasCount && S->Count == 0;
5470b57cec5SDimitry Andric   };
5480b57cec5SDimitry Andric 
5490b57cec5SDimitry Andric   if (CheckIfUncovered(LCS.getWrappedSegment())) {
5500b57cec5SDimitry Andric     Color = "red";
5510b57cec5SDimitry Andric     if (!Snippets[0].empty())
5520b57cec5SDimitry Andric       Snippets[0] = Highlight(Snippets[0], 1, 1 + Snippets[0].size());
5530b57cec5SDimitry Andric   }
5540b57cec5SDimitry Andric 
5550b57cec5SDimitry Andric   for (unsigned I = 0, E = Segments.size(); I < E; ++I) {
5560b57cec5SDimitry Andric     const auto *CurSeg = Segments[I];
5570b57cec5SDimitry Andric     if (CheckIfUncovered(CurSeg))
5580b57cec5SDimitry Andric       Color = "red";
5590b57cec5SDimitry Andric     else if (CurSeg->Col == ExpansionCol)
5600b57cec5SDimitry Andric       Color = "cyan";
5610b57cec5SDimitry Andric     else
5620b57cec5SDimitry Andric       Color = None;
5630b57cec5SDimitry Andric 
564*81ad6265SDimitry Andric     if (Color)
5650b57cec5SDimitry Andric       Snippets[I + 1] = Highlight(Snippets[I + 1], CurSeg->Col,
5660b57cec5SDimitry Andric                                   CurSeg->Col + Snippets[I + 1].size());
5670b57cec5SDimitry Andric   }
5680b57cec5SDimitry Andric 
569*81ad6265SDimitry Andric   if (Color && Segments.empty())
5700b57cec5SDimitry Andric     Snippets.back() = Highlight(Snippets.back(), 1, 1 + Snippets.back().size());
5710b57cec5SDimitry Andric 
5720b57cec5SDimitry Andric   if (getOptions().Debug) {
5730b57cec5SDimitry Andric     for (const auto &Range : HighlightedRanges) {
5740b57cec5SDimitry Andric       errs() << "Highlighted line " << LineNo << ", " << Range.first << " -> ";
5750b57cec5SDimitry Andric       if (Range.second == 0)
5760b57cec5SDimitry Andric         errs() << "?";
5770b57cec5SDimitry Andric       else
5780b57cec5SDimitry Andric         errs() << Range.second;
5790b57cec5SDimitry Andric       errs() << "\n";
5800b57cec5SDimitry Andric     }
5810b57cec5SDimitry Andric   }
5820b57cec5SDimitry Andric 
5830b57cec5SDimitry Andric   // 4. Snippets[1:N+1] correspond to \p Segments[0:N]: use these to generate
5840b57cec5SDimitry Andric   //    sub-line region count tooltips if needed.
5850b57cec5SDimitry Andric 
5860b57cec5SDimitry Andric   if (shouldRenderRegionMarkers(LCS)) {
5870b57cec5SDimitry Andric     // Just consider the segments which start *and* end on this line.
5880b57cec5SDimitry Andric     for (unsigned I = 0, E = Segments.size() - 1; I < E; ++I) {
5890b57cec5SDimitry Andric       const auto *CurSeg = Segments[I];
5900b57cec5SDimitry Andric       if (!CurSeg->IsRegionEntry)
5910b57cec5SDimitry Andric         continue;
5920b57cec5SDimitry Andric       if (CurSeg->Count == LCS.getExecutionCount())
5930b57cec5SDimitry Andric         continue;
5940b57cec5SDimitry Andric 
5950b57cec5SDimitry Andric       Snippets[I + 1] =
5960b57cec5SDimitry Andric           tag("div", Snippets[I + 1] + tag("span", formatCount(CurSeg->Count),
5970b57cec5SDimitry Andric                                            "tooltip-content"),
5980b57cec5SDimitry Andric               "tooltip");
5990b57cec5SDimitry Andric 
6000b57cec5SDimitry Andric       if (getOptions().Debug)
6010b57cec5SDimitry Andric         errs() << "Marker at " << CurSeg->Line << ":" << CurSeg->Col << " = "
6020b57cec5SDimitry Andric                << formatCount(CurSeg->Count) << "\n";
6030b57cec5SDimitry Andric     }
6040b57cec5SDimitry Andric   }
6050b57cec5SDimitry Andric 
6060b57cec5SDimitry Andric   OS << BeginCodeTD;
6070b57cec5SDimitry Andric   OS << BeginPre;
6080b57cec5SDimitry Andric   for (const auto &Snippet : Snippets)
6090b57cec5SDimitry Andric     OS << Snippet;
6100b57cec5SDimitry Andric   OS << EndPre;
6110b57cec5SDimitry Andric 
6120b57cec5SDimitry Andric   // If there are no sub-views left to attach to this cell, end the cell.
6130b57cec5SDimitry Andric   // Otherwise, end it after the sub-views are rendered (renderLineSuffix()).
6140b57cec5SDimitry Andric   if (!hasSubViews())
6150b57cec5SDimitry Andric     OS << EndCodeTD;
6160b57cec5SDimitry Andric }
6170b57cec5SDimitry Andric 
6180b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLineCoverageColumn(
6190b57cec5SDimitry Andric     raw_ostream &OS, const LineCoverageStats &Line) {
620e8d8bef9SDimitry Andric   std::string Count;
6210b57cec5SDimitry Andric   if (Line.isMapped())
6220b57cec5SDimitry Andric     Count = tag("pre", formatCount(Line.getExecutionCount()));
6230b57cec5SDimitry Andric   std::string CoverageClass =
6240b57cec5SDimitry Andric       (Line.getExecutionCount() > 0) ? "covered-line" : "uncovered-line";
6250b57cec5SDimitry Andric   OS << tag("td", Count, CoverageClass);
6260b57cec5SDimitry Andric }
6270b57cec5SDimitry Andric 
6280b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLineNumberColumn(raw_ostream &OS,
6290b57cec5SDimitry Andric                                                     unsigned LineNo) {
6300b57cec5SDimitry Andric   std::string LineNoStr = utostr(uint64_t(LineNo));
6310b57cec5SDimitry Andric   std::string TargetName = "L" + LineNoStr;
6320b57cec5SDimitry Andric   OS << tag("td", a("#" + TargetName, tag("pre", LineNoStr), TargetName),
6330b57cec5SDimitry Andric             "line-number");
6340b57cec5SDimitry Andric }
6350b57cec5SDimitry Andric 
6360b57cec5SDimitry Andric void SourceCoverageViewHTML::renderRegionMarkers(raw_ostream &,
6370b57cec5SDimitry Andric                                                  const LineCoverageStats &Line,
6380b57cec5SDimitry Andric                                                  unsigned) {
6390b57cec5SDimitry Andric   // Region markers are rendered in-line using tooltips.
6400b57cec5SDimitry Andric }
6410b57cec5SDimitry Andric 
6420b57cec5SDimitry Andric void SourceCoverageViewHTML::renderExpansionSite(raw_ostream &OS, LineRef L,
6430b57cec5SDimitry Andric                                                  const LineCoverageStats &LCS,
6440b57cec5SDimitry Andric                                                  unsigned ExpansionCol,
6450b57cec5SDimitry Andric                                                  unsigned ViewDepth) {
6460b57cec5SDimitry Andric   // Render the line containing the expansion site. No extra formatting needed.
6470b57cec5SDimitry Andric   renderLine(OS, L, LCS, ExpansionCol, ViewDepth);
6480b57cec5SDimitry Andric }
6490b57cec5SDimitry Andric 
6500b57cec5SDimitry Andric void SourceCoverageViewHTML::renderExpansionView(raw_ostream &OS,
6510b57cec5SDimitry Andric                                                  ExpansionView &ESV,
6520b57cec5SDimitry Andric                                                  unsigned ViewDepth) {
6530b57cec5SDimitry Andric   OS << BeginExpansionDiv;
6540b57cec5SDimitry Andric   ESV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/false,
6550b57cec5SDimitry Andric                   /*ShowTitle=*/false, ViewDepth + 1);
6560b57cec5SDimitry Andric   OS << EndExpansionDiv;
6570b57cec5SDimitry Andric }
6580b57cec5SDimitry Andric 
659e8d8bef9SDimitry Andric void SourceCoverageViewHTML::renderBranchView(raw_ostream &OS, BranchView &BRV,
660e8d8bef9SDimitry Andric                                               unsigned ViewDepth) {
661e8d8bef9SDimitry Andric   // Render the child subview.
662e8d8bef9SDimitry Andric   if (getOptions().Debug)
663e8d8bef9SDimitry Andric     errs() << "Branch at line " << BRV.getLine() << '\n';
664e8d8bef9SDimitry Andric 
665e8d8bef9SDimitry Andric   OS << BeginExpansionDiv;
666e8d8bef9SDimitry Andric   OS << BeginPre;
667e8d8bef9SDimitry Andric   for (const auto &R : BRV.Regions) {
668e8d8bef9SDimitry Andric     // Calculate TruePercent and False Percent.
669e8d8bef9SDimitry Andric     double TruePercent = 0.0;
670e8d8bef9SDimitry Andric     double FalsePercent = 0.0;
671e8d8bef9SDimitry Andric     unsigned Total = R.ExecutionCount + R.FalseExecutionCount;
672e8d8bef9SDimitry Andric 
673e8d8bef9SDimitry Andric     if (!getOptions().ShowBranchCounts && Total != 0) {
674e8d8bef9SDimitry Andric       TruePercent = ((double)(R.ExecutionCount) / (double)Total) * 100.0;
675e8d8bef9SDimitry Andric       FalsePercent = ((double)(R.FalseExecutionCount) / (double)Total) * 100.0;
676e8d8bef9SDimitry Andric     }
677e8d8bef9SDimitry Andric 
678e8d8bef9SDimitry Andric     // Display Line + Column.
679e8d8bef9SDimitry Andric     std::string LineNoStr = utostr(uint64_t(R.LineStart));
680e8d8bef9SDimitry Andric     std::string ColNoStr = utostr(uint64_t(R.ColumnStart));
681e8d8bef9SDimitry Andric     std::string TargetName = "L" + LineNoStr;
682e8d8bef9SDimitry Andric 
683e8d8bef9SDimitry Andric     OS << "  Branch (";
684e8d8bef9SDimitry Andric     OS << tag("span",
685e8d8bef9SDimitry Andric               a("#" + TargetName, tag("span", LineNoStr + ":" + ColNoStr),
686e8d8bef9SDimitry Andric                 TargetName),
687e8d8bef9SDimitry Andric               "line-number") +
688e8d8bef9SDimitry Andric               "): [";
689e8d8bef9SDimitry Andric 
690e8d8bef9SDimitry Andric     if (R.Folded) {
691e8d8bef9SDimitry Andric       OS << "Folded - Ignored]\n";
692e8d8bef9SDimitry Andric       continue;
693e8d8bef9SDimitry Andric     }
694e8d8bef9SDimitry Andric 
695e8d8bef9SDimitry Andric     // Display TrueCount or TruePercent.
696e8d8bef9SDimitry Andric     std::string TrueColor = R.ExecutionCount ? "None" : "red";
697e8d8bef9SDimitry Andric     std::string TrueCovClass =
698e8d8bef9SDimitry Andric         (R.ExecutionCount > 0) ? "covered-line" : "uncovered-line";
699e8d8bef9SDimitry Andric 
700e8d8bef9SDimitry Andric     OS << tag("span", "True", TrueColor);
701e8d8bef9SDimitry Andric     OS << ": ";
702e8d8bef9SDimitry Andric     if (getOptions().ShowBranchCounts)
703e8d8bef9SDimitry Andric       OS << tag("span", formatCount(R.ExecutionCount), TrueCovClass) << ", ";
704e8d8bef9SDimitry Andric     else
705e8d8bef9SDimitry Andric       OS << format("%0.2f", TruePercent) << "%, ";
706e8d8bef9SDimitry Andric 
707e8d8bef9SDimitry Andric     // Display FalseCount or FalsePercent.
708e8d8bef9SDimitry Andric     std::string FalseColor = R.FalseExecutionCount ? "None" : "red";
709e8d8bef9SDimitry Andric     std::string FalseCovClass =
710e8d8bef9SDimitry Andric         (R.FalseExecutionCount > 0) ? "covered-line" : "uncovered-line";
711e8d8bef9SDimitry Andric 
712e8d8bef9SDimitry Andric     OS << tag("span", "False", FalseColor);
713e8d8bef9SDimitry Andric     OS << ": ";
714e8d8bef9SDimitry Andric     if (getOptions().ShowBranchCounts)
715e8d8bef9SDimitry Andric       OS << tag("span", formatCount(R.FalseExecutionCount), FalseCovClass);
716e8d8bef9SDimitry Andric     else
717e8d8bef9SDimitry Andric       OS << format("%0.2f", FalsePercent) << "%";
718e8d8bef9SDimitry Andric 
719e8d8bef9SDimitry Andric     OS << "]\n";
720e8d8bef9SDimitry Andric   }
721e8d8bef9SDimitry Andric   OS << EndPre;
722e8d8bef9SDimitry Andric   OS << EndExpansionDiv;
723e8d8bef9SDimitry Andric }
724e8d8bef9SDimitry Andric 
7250b57cec5SDimitry Andric void SourceCoverageViewHTML::renderInstantiationView(raw_ostream &OS,
7260b57cec5SDimitry Andric                                                      InstantiationView &ISV,
7270b57cec5SDimitry Andric                                                      unsigned ViewDepth) {
7280b57cec5SDimitry Andric   OS << BeginExpansionDiv;
7290b57cec5SDimitry Andric   if (!ISV.View)
7300b57cec5SDimitry Andric     OS << BeginSourceNameDiv
7310b57cec5SDimitry Andric        << tag("pre",
7320b57cec5SDimitry Andric               escape("Unexecuted instantiation: " + ISV.FunctionName.str(),
7330b57cec5SDimitry Andric                      getOptions()))
7340b57cec5SDimitry Andric        << EndSourceNameDiv;
7350b57cec5SDimitry Andric   else
7360b57cec5SDimitry Andric     ISV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/true,
7370b57cec5SDimitry Andric                     /*ShowTitle=*/false, ViewDepth);
7380b57cec5SDimitry Andric   OS << EndExpansionDiv;
7390b57cec5SDimitry Andric }
7400b57cec5SDimitry Andric 
7410b57cec5SDimitry Andric void SourceCoverageViewHTML::renderTitle(raw_ostream &OS, StringRef Title) {
7420b57cec5SDimitry Andric   if (getOptions().hasProjectTitle())
7430b57cec5SDimitry Andric     OS << tag(ProjectTitleTag, escape(getOptions().ProjectTitle, getOptions()));
7440b57cec5SDimitry Andric   OS << tag(ReportTitleTag, escape(Title, getOptions()));
7450b57cec5SDimitry Andric   if (getOptions().hasCreatedTime())
7460b57cec5SDimitry Andric     OS << tag(CreatedTimeTag,
7470b57cec5SDimitry Andric               escape(getOptions().CreatedTimeStr, getOptions()));
7480b57cec5SDimitry Andric }
7490b57cec5SDimitry Andric 
7500b57cec5SDimitry Andric void SourceCoverageViewHTML::renderTableHeader(raw_ostream &OS,
7510b57cec5SDimitry Andric                                                unsigned FirstUncoveredLineNo,
7520b57cec5SDimitry Andric                                                unsigned ViewDepth) {
7530b57cec5SDimitry Andric   std::string SourceLabel;
7540b57cec5SDimitry Andric   if (FirstUncoveredLineNo == 0) {
7550b57cec5SDimitry Andric     SourceLabel = tag("td", tag("pre", "Source"));
7560b57cec5SDimitry Andric   } else {
7570b57cec5SDimitry Andric     std::string LinkTarget = "#L" + utostr(uint64_t(FirstUncoveredLineNo));
7580b57cec5SDimitry Andric     SourceLabel =
7590b57cec5SDimitry Andric         tag("td", tag("pre", "Source (" +
7600b57cec5SDimitry Andric                                  a(LinkTarget, "jump to first uncovered line") +
7610b57cec5SDimitry Andric                                  ")"));
7620b57cec5SDimitry Andric   }
7630b57cec5SDimitry Andric 
7640b57cec5SDimitry Andric   renderLinePrefix(OS, ViewDepth);
7650b57cec5SDimitry Andric   OS << tag("td", tag("pre", "Line")) << tag("td", tag("pre", "Count"))
7660b57cec5SDimitry Andric      << SourceLabel;
7670b57cec5SDimitry Andric   renderLineSuffix(OS, ViewDepth);
7680b57cec5SDimitry Andric }
769