xref: /freebsd-src/contrib/llvm-project/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1*0b57cec5SDimitry Andric //===- SourceCoverageViewHTML.cpp - A html code coverage view -------------===//
2*0b57cec5SDimitry Andric //
3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric //
7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric ///
9*0b57cec5SDimitry Andric /// \file This file implements the html coverage renderer.
10*0b57cec5SDimitry Andric ///
11*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
12*0b57cec5SDimitry Andric 
13*0b57cec5SDimitry Andric #include "CoverageReport.h"
14*0b57cec5SDimitry Andric #include "SourceCoverageViewHTML.h"
15*0b57cec5SDimitry Andric #include "llvm/ADT/Optional.h"
16*0b57cec5SDimitry Andric #include "llvm/ADT/SmallString.h"
17*0b57cec5SDimitry Andric #include "llvm/ADT/StringExtras.h"
18*0b57cec5SDimitry Andric #include "llvm/Support/Format.h"
19*0b57cec5SDimitry Andric #include "llvm/Support/Path.h"
20*0b57cec5SDimitry Andric 
21*0b57cec5SDimitry Andric using namespace llvm;
22*0b57cec5SDimitry Andric 
23*0b57cec5SDimitry Andric namespace {
24*0b57cec5SDimitry Andric 
25*0b57cec5SDimitry Andric // Return a string with the special characters in \p Str escaped.
26*0b57cec5SDimitry Andric std::string escape(StringRef Str, const CoverageViewOptions &Opts) {
27*0b57cec5SDimitry Andric   std::string TabExpandedResult;
28*0b57cec5SDimitry Andric   unsigned ColNum = 0; // Record the column number.
29*0b57cec5SDimitry Andric   for (char C : Str) {
30*0b57cec5SDimitry Andric     if (C == '\t') {
31*0b57cec5SDimitry Andric       // Replace '\t' with up to TabSize spaces.
32*0b57cec5SDimitry Andric       unsigned NumSpaces = Opts.TabSize - (ColNum % Opts.TabSize);
33*0b57cec5SDimitry Andric       for (unsigned I = 0; I < NumSpaces; ++I)
34*0b57cec5SDimitry Andric         TabExpandedResult += ' ';
35*0b57cec5SDimitry Andric       ColNum += NumSpaces;
36*0b57cec5SDimitry Andric     } else {
37*0b57cec5SDimitry Andric       TabExpandedResult += C;
38*0b57cec5SDimitry Andric       if (C == '\n' || C == '\r')
39*0b57cec5SDimitry Andric         ColNum = 0;
40*0b57cec5SDimitry Andric       else
41*0b57cec5SDimitry Andric         ++ColNum;
42*0b57cec5SDimitry Andric     }
43*0b57cec5SDimitry Andric   }
44*0b57cec5SDimitry Andric   std::string EscapedHTML;
45*0b57cec5SDimitry Andric   {
46*0b57cec5SDimitry Andric     raw_string_ostream OS{EscapedHTML};
47*0b57cec5SDimitry Andric     printHTMLEscaped(TabExpandedResult, OS);
48*0b57cec5SDimitry Andric   }
49*0b57cec5SDimitry Andric   return EscapedHTML;
50*0b57cec5SDimitry Andric }
51*0b57cec5SDimitry Andric 
52*0b57cec5SDimitry Andric // Create a \p Name tag around \p Str, and optionally set its \p ClassName.
53*0b57cec5SDimitry Andric std::string tag(const std::string &Name, const std::string &Str,
54*0b57cec5SDimitry Andric                 const std::string &ClassName = "") {
55*0b57cec5SDimitry Andric   std::string Tag = "<" + Name;
56*0b57cec5SDimitry Andric   if (!ClassName.empty())
57*0b57cec5SDimitry Andric     Tag += " class='" + ClassName + "'";
58*0b57cec5SDimitry Andric   return Tag + ">" + Str + "</" + Name + ">";
59*0b57cec5SDimitry Andric }
60*0b57cec5SDimitry Andric 
61*0b57cec5SDimitry Andric // Create an anchor to \p Link with the label \p Str.
62*0b57cec5SDimitry Andric std::string a(const std::string &Link, const std::string &Str,
63*0b57cec5SDimitry Andric               const std::string &TargetName = "") {
64*0b57cec5SDimitry Andric   std::string Name = TargetName.empty() ? "" : ("name='" + TargetName + "' ");
65*0b57cec5SDimitry Andric   return "<a " + Name + "href='" + Link + "'>" + Str + "</a>";
66*0b57cec5SDimitry Andric }
67*0b57cec5SDimitry Andric 
68*0b57cec5SDimitry Andric const char *BeginHeader =
69*0b57cec5SDimitry Andric   "<head>"
70*0b57cec5SDimitry Andric     "<meta name='viewport' content='width=device-width,initial-scale=1'>"
71*0b57cec5SDimitry Andric     "<meta charset='UTF-8'>";
72*0b57cec5SDimitry Andric 
73*0b57cec5SDimitry Andric const char *CSSForCoverage =
74*0b57cec5SDimitry Andric     R"(.red {
75*0b57cec5SDimitry Andric   background-color: #ffd0d0;
76*0b57cec5SDimitry Andric }
77*0b57cec5SDimitry Andric .cyan {
78*0b57cec5SDimitry Andric   background-color: cyan;
79*0b57cec5SDimitry Andric }
80*0b57cec5SDimitry Andric body {
81*0b57cec5SDimitry Andric   font-family: -apple-system, sans-serif;
82*0b57cec5SDimitry Andric }
83*0b57cec5SDimitry Andric pre {
84*0b57cec5SDimitry Andric   margin-top: 0px !important;
85*0b57cec5SDimitry Andric   margin-bottom: 0px !important;
86*0b57cec5SDimitry Andric }
87*0b57cec5SDimitry Andric .source-name-title {
88*0b57cec5SDimitry Andric   padding: 5px 10px;
89*0b57cec5SDimitry Andric   border-bottom: 1px solid #dbdbdb;
90*0b57cec5SDimitry Andric   background-color: #eee;
91*0b57cec5SDimitry Andric   line-height: 35px;
92*0b57cec5SDimitry Andric }
93*0b57cec5SDimitry Andric .centered {
94*0b57cec5SDimitry Andric   display: table;
95*0b57cec5SDimitry Andric   margin-left: left;
96*0b57cec5SDimitry Andric   margin-right: auto;
97*0b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
98*0b57cec5SDimitry Andric   border-radius: 3px;
99*0b57cec5SDimitry Andric }
100*0b57cec5SDimitry Andric .expansion-view {
101*0b57cec5SDimitry Andric   background-color: rgba(0, 0, 0, 0);
102*0b57cec5SDimitry Andric   margin-left: 0px;
103*0b57cec5SDimitry Andric   margin-top: 5px;
104*0b57cec5SDimitry Andric   margin-right: 5px;
105*0b57cec5SDimitry Andric   margin-bottom: 5px;
106*0b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
107*0b57cec5SDimitry Andric   border-radius: 3px;
108*0b57cec5SDimitry Andric }
109*0b57cec5SDimitry Andric table {
110*0b57cec5SDimitry Andric   border-collapse: collapse;
111*0b57cec5SDimitry Andric }
112*0b57cec5SDimitry Andric .light-row {
113*0b57cec5SDimitry Andric   background: #ffffff;
114*0b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
115*0b57cec5SDimitry Andric }
116*0b57cec5SDimitry Andric .light-row-bold {
117*0b57cec5SDimitry Andric   background: #ffffff;
118*0b57cec5SDimitry Andric   border: 1px solid #dbdbdb;
119*0b57cec5SDimitry Andric   font-weight: bold;
120*0b57cec5SDimitry Andric }
121*0b57cec5SDimitry Andric .column-entry {
122*0b57cec5SDimitry Andric   text-align: left;
123*0b57cec5SDimitry Andric }
124*0b57cec5SDimitry Andric .column-entry-bold {
125*0b57cec5SDimitry Andric   font-weight: bold;
126*0b57cec5SDimitry Andric   text-align: left;
127*0b57cec5SDimitry Andric }
128*0b57cec5SDimitry Andric .column-entry-yellow {
129*0b57cec5SDimitry Andric   text-align: left;
130*0b57cec5SDimitry Andric   background-color: #ffffd0;
131*0b57cec5SDimitry Andric }
132*0b57cec5SDimitry Andric .column-entry-yellow:hover {
133*0b57cec5SDimitry Andric   background-color: #fffff0;
134*0b57cec5SDimitry Andric }
135*0b57cec5SDimitry Andric .column-entry-red {
136*0b57cec5SDimitry Andric   text-align: left;
137*0b57cec5SDimitry Andric   background-color: #ffd0d0;
138*0b57cec5SDimitry Andric }
139*0b57cec5SDimitry Andric .column-entry-red:hover {
140*0b57cec5SDimitry Andric   background-color: #fff0f0;
141*0b57cec5SDimitry Andric }
142*0b57cec5SDimitry Andric .column-entry-green {
143*0b57cec5SDimitry Andric   text-align: left;
144*0b57cec5SDimitry Andric   background-color: #d0ffd0;
145*0b57cec5SDimitry Andric }
146*0b57cec5SDimitry Andric .column-entry-green:hover {
147*0b57cec5SDimitry Andric   background-color: #f0fff0;
148*0b57cec5SDimitry Andric }
149*0b57cec5SDimitry Andric .line-number {
150*0b57cec5SDimitry Andric   text-align: right;
151*0b57cec5SDimitry Andric   color: #aaa;
152*0b57cec5SDimitry Andric }
153*0b57cec5SDimitry Andric .covered-line {
154*0b57cec5SDimitry Andric   text-align: right;
155*0b57cec5SDimitry Andric   color: #0080ff;
156*0b57cec5SDimitry Andric }
157*0b57cec5SDimitry Andric .uncovered-line {
158*0b57cec5SDimitry Andric   text-align: right;
159*0b57cec5SDimitry Andric   color: #ff3300;
160*0b57cec5SDimitry Andric }
161*0b57cec5SDimitry Andric .tooltip {
162*0b57cec5SDimitry Andric   position: relative;
163*0b57cec5SDimitry Andric   display: inline;
164*0b57cec5SDimitry Andric   background-color: #b3e6ff;
165*0b57cec5SDimitry Andric   text-decoration: none;
166*0b57cec5SDimitry Andric }
167*0b57cec5SDimitry Andric .tooltip span.tooltip-content {
168*0b57cec5SDimitry Andric   position: absolute;
169*0b57cec5SDimitry Andric   width: 100px;
170*0b57cec5SDimitry Andric   margin-left: -50px;
171*0b57cec5SDimitry Andric   color: #FFFFFF;
172*0b57cec5SDimitry Andric   background: #000000;
173*0b57cec5SDimitry Andric   height: 30px;
174*0b57cec5SDimitry Andric   line-height: 30px;
175*0b57cec5SDimitry Andric   text-align: center;
176*0b57cec5SDimitry Andric   visibility: hidden;
177*0b57cec5SDimitry Andric   border-radius: 6px;
178*0b57cec5SDimitry Andric }
179*0b57cec5SDimitry Andric .tooltip span.tooltip-content:after {
180*0b57cec5SDimitry Andric   content: '';
181*0b57cec5SDimitry Andric   position: absolute;
182*0b57cec5SDimitry Andric   top: 100%;
183*0b57cec5SDimitry Andric   left: 50%;
184*0b57cec5SDimitry Andric   margin-left: -8px;
185*0b57cec5SDimitry Andric   width: 0; height: 0;
186*0b57cec5SDimitry Andric   border-top: 8px solid #000000;
187*0b57cec5SDimitry Andric   border-right: 8px solid transparent;
188*0b57cec5SDimitry Andric   border-left: 8px solid transparent;
189*0b57cec5SDimitry Andric }
190*0b57cec5SDimitry Andric :hover.tooltip span.tooltip-content {
191*0b57cec5SDimitry Andric   visibility: visible;
192*0b57cec5SDimitry Andric   opacity: 0.8;
193*0b57cec5SDimitry Andric   bottom: 30px;
194*0b57cec5SDimitry Andric   left: 50%;
195*0b57cec5SDimitry Andric   z-index: 999;
196*0b57cec5SDimitry Andric }
197*0b57cec5SDimitry Andric th, td {
198*0b57cec5SDimitry Andric   vertical-align: top;
199*0b57cec5SDimitry Andric   padding: 2px 8px;
200*0b57cec5SDimitry Andric   border-collapse: collapse;
201*0b57cec5SDimitry Andric   border-right: solid 1px #eee;
202*0b57cec5SDimitry Andric   border-left: solid 1px #eee;
203*0b57cec5SDimitry Andric   text-align: left;
204*0b57cec5SDimitry Andric }
205*0b57cec5SDimitry Andric td pre {
206*0b57cec5SDimitry Andric   display: inline-block;
207*0b57cec5SDimitry Andric }
208*0b57cec5SDimitry Andric td:first-child {
209*0b57cec5SDimitry Andric   border-left: none;
210*0b57cec5SDimitry Andric }
211*0b57cec5SDimitry Andric td:last-child {
212*0b57cec5SDimitry Andric   border-right: none;
213*0b57cec5SDimitry Andric }
214*0b57cec5SDimitry Andric tr:hover {
215*0b57cec5SDimitry Andric   background-color: #f0f0f0;
216*0b57cec5SDimitry Andric }
217*0b57cec5SDimitry Andric )";
218*0b57cec5SDimitry Andric 
219*0b57cec5SDimitry Andric const char *EndHeader = "</head>";
220*0b57cec5SDimitry Andric 
221*0b57cec5SDimitry Andric const char *BeginCenteredDiv = "<div class='centered'>";
222*0b57cec5SDimitry Andric 
223*0b57cec5SDimitry Andric const char *EndCenteredDiv = "</div>";
224*0b57cec5SDimitry Andric 
225*0b57cec5SDimitry Andric const char *BeginSourceNameDiv = "<div class='source-name-title'>";
226*0b57cec5SDimitry Andric 
227*0b57cec5SDimitry Andric const char *EndSourceNameDiv = "</div>";
228*0b57cec5SDimitry Andric 
229*0b57cec5SDimitry Andric const char *BeginCodeTD = "<td class='code'>";
230*0b57cec5SDimitry Andric 
231*0b57cec5SDimitry Andric const char *EndCodeTD = "</td>";
232*0b57cec5SDimitry Andric 
233*0b57cec5SDimitry Andric const char *BeginPre = "<pre>";
234*0b57cec5SDimitry Andric 
235*0b57cec5SDimitry Andric const char *EndPre = "</pre>";
236*0b57cec5SDimitry Andric 
237*0b57cec5SDimitry Andric const char *BeginExpansionDiv = "<div class='expansion-view'>";
238*0b57cec5SDimitry Andric 
239*0b57cec5SDimitry Andric const char *EndExpansionDiv = "</div>";
240*0b57cec5SDimitry Andric 
241*0b57cec5SDimitry Andric const char *BeginTable = "<table>";
242*0b57cec5SDimitry Andric 
243*0b57cec5SDimitry Andric const char *EndTable = "</table>";
244*0b57cec5SDimitry Andric 
245*0b57cec5SDimitry Andric const char *ProjectTitleTag = "h1";
246*0b57cec5SDimitry Andric 
247*0b57cec5SDimitry Andric const char *ReportTitleTag = "h2";
248*0b57cec5SDimitry Andric 
249*0b57cec5SDimitry Andric const char *CreatedTimeTag = "h4";
250*0b57cec5SDimitry Andric 
251*0b57cec5SDimitry Andric std::string getPathToStyle(StringRef ViewPath) {
252*0b57cec5SDimitry Andric   std::string PathToStyle = "";
253*0b57cec5SDimitry Andric   std::string PathSep = sys::path::get_separator();
254*0b57cec5SDimitry Andric   unsigned NumSeps = ViewPath.count(PathSep);
255*0b57cec5SDimitry Andric   for (unsigned I = 0, E = NumSeps; I < E; ++I)
256*0b57cec5SDimitry Andric     PathToStyle += ".." + PathSep;
257*0b57cec5SDimitry Andric   return PathToStyle + "style.css";
258*0b57cec5SDimitry Andric }
259*0b57cec5SDimitry Andric 
260*0b57cec5SDimitry Andric void emitPrelude(raw_ostream &OS, const CoverageViewOptions &Opts,
261*0b57cec5SDimitry Andric                  const std::string &PathToStyle = "") {
262*0b57cec5SDimitry Andric   OS << "<!doctype html>"
263*0b57cec5SDimitry Andric         "<html>"
264*0b57cec5SDimitry Andric      << BeginHeader;
265*0b57cec5SDimitry Andric 
266*0b57cec5SDimitry Andric   // Link to a stylesheet if one is available. Otherwise, use the default style.
267*0b57cec5SDimitry Andric   if (PathToStyle.empty())
268*0b57cec5SDimitry Andric     OS << "<style>" << CSSForCoverage << "</style>";
269*0b57cec5SDimitry Andric   else
270*0b57cec5SDimitry Andric     OS << "<link rel='stylesheet' type='text/css' href='"
271*0b57cec5SDimitry Andric        << escape(PathToStyle, Opts) << "'>";
272*0b57cec5SDimitry Andric 
273*0b57cec5SDimitry Andric   OS << EndHeader << "<body>";
274*0b57cec5SDimitry Andric }
275*0b57cec5SDimitry Andric 
276*0b57cec5SDimitry Andric void emitEpilog(raw_ostream &OS) {
277*0b57cec5SDimitry Andric   OS << "</body>"
278*0b57cec5SDimitry Andric      << "</html>";
279*0b57cec5SDimitry Andric }
280*0b57cec5SDimitry Andric 
281*0b57cec5SDimitry Andric } // anonymous namespace
282*0b57cec5SDimitry Andric 
283*0b57cec5SDimitry Andric Expected<CoveragePrinter::OwnedStream>
284*0b57cec5SDimitry Andric CoveragePrinterHTML::createViewFile(StringRef Path, bool InToplevel) {
285*0b57cec5SDimitry Andric   auto OSOrErr = createOutputStream(Path, "html", InToplevel);
286*0b57cec5SDimitry Andric   if (!OSOrErr)
287*0b57cec5SDimitry Andric     return OSOrErr;
288*0b57cec5SDimitry Andric 
289*0b57cec5SDimitry Andric   OwnedStream OS = std::move(OSOrErr.get());
290*0b57cec5SDimitry Andric 
291*0b57cec5SDimitry Andric   if (!Opts.hasOutputDirectory()) {
292*0b57cec5SDimitry Andric     emitPrelude(*OS.get(), Opts);
293*0b57cec5SDimitry Andric   } else {
294*0b57cec5SDimitry Andric     std::string ViewPath = getOutputPath(Path, "html", InToplevel);
295*0b57cec5SDimitry Andric     emitPrelude(*OS.get(), Opts, getPathToStyle(ViewPath));
296*0b57cec5SDimitry Andric   }
297*0b57cec5SDimitry Andric 
298*0b57cec5SDimitry Andric   return std::move(OS);
299*0b57cec5SDimitry Andric }
300*0b57cec5SDimitry Andric 
301*0b57cec5SDimitry Andric void CoveragePrinterHTML::closeViewFile(OwnedStream OS) {
302*0b57cec5SDimitry Andric   emitEpilog(*OS.get());
303*0b57cec5SDimitry Andric }
304*0b57cec5SDimitry Andric 
305*0b57cec5SDimitry Andric /// Emit column labels for the table in the index.
306*0b57cec5SDimitry Andric static void emitColumnLabelsForIndex(raw_ostream &OS,
307*0b57cec5SDimitry Andric                                      const CoverageViewOptions &Opts) {
308*0b57cec5SDimitry Andric   SmallVector<std::string, 4> Columns;
309*0b57cec5SDimitry Andric   Columns.emplace_back(tag("td", "Filename", "column-entry-bold"));
310*0b57cec5SDimitry Andric   Columns.emplace_back(tag("td", "Function Coverage", "column-entry-bold"));
311*0b57cec5SDimitry Andric   if (Opts.ShowInstantiationSummary)
312*0b57cec5SDimitry Andric     Columns.emplace_back(
313*0b57cec5SDimitry Andric         tag("td", "Instantiation Coverage", "column-entry-bold"));
314*0b57cec5SDimitry Andric   Columns.emplace_back(tag("td", "Line Coverage", "column-entry-bold"));
315*0b57cec5SDimitry Andric   if (Opts.ShowRegionSummary)
316*0b57cec5SDimitry Andric     Columns.emplace_back(tag("td", "Region Coverage", "column-entry-bold"));
317*0b57cec5SDimitry Andric   OS << tag("tr", join(Columns.begin(), Columns.end(), ""));
318*0b57cec5SDimitry Andric }
319*0b57cec5SDimitry Andric 
320*0b57cec5SDimitry Andric std::string
321*0b57cec5SDimitry Andric CoveragePrinterHTML::buildLinkToFile(StringRef SF,
322*0b57cec5SDimitry Andric                                      const FileCoverageSummary &FCS) const {
323*0b57cec5SDimitry Andric   SmallString<128> LinkTextStr(sys::path::relative_path(FCS.Name));
324*0b57cec5SDimitry Andric   sys::path::remove_dots(LinkTextStr, /*remove_dot_dots=*/true);
325*0b57cec5SDimitry Andric   sys::path::native(LinkTextStr);
326*0b57cec5SDimitry Andric   std::string LinkText = escape(LinkTextStr, Opts);
327*0b57cec5SDimitry Andric   std::string LinkTarget =
328*0b57cec5SDimitry Andric       escape(getOutputPath(SF, "html", /*InToplevel=*/false), Opts);
329*0b57cec5SDimitry Andric   return a(LinkTarget, LinkText);
330*0b57cec5SDimitry Andric }
331*0b57cec5SDimitry Andric 
332*0b57cec5SDimitry Andric /// Render a file coverage summary (\p FCS) in a table row. If \p IsTotals is
333*0b57cec5SDimitry Andric /// false, link the summary to \p SF.
334*0b57cec5SDimitry Andric void CoveragePrinterHTML::emitFileSummary(raw_ostream &OS, StringRef SF,
335*0b57cec5SDimitry Andric                                           const FileCoverageSummary &FCS,
336*0b57cec5SDimitry Andric                                           bool IsTotals) const {
337*0b57cec5SDimitry Andric   SmallVector<std::string, 8> Columns;
338*0b57cec5SDimitry Andric 
339*0b57cec5SDimitry Andric   // Format a coverage triple and add the result to the list of columns.
340*0b57cec5SDimitry Andric   auto AddCoverageTripleToColumn = [&Columns](unsigned Hit, unsigned Total,
341*0b57cec5SDimitry Andric                                               float Pctg) {
342*0b57cec5SDimitry Andric     std::string S;
343*0b57cec5SDimitry Andric     {
344*0b57cec5SDimitry Andric       raw_string_ostream RSO{S};
345*0b57cec5SDimitry Andric       if (Total)
346*0b57cec5SDimitry Andric         RSO << format("%*.2f", 7, Pctg) << "% ";
347*0b57cec5SDimitry Andric       else
348*0b57cec5SDimitry Andric         RSO << "- ";
349*0b57cec5SDimitry Andric       RSO << '(' << Hit << '/' << Total << ')';
350*0b57cec5SDimitry Andric     }
351*0b57cec5SDimitry Andric     const char *CellClass = "column-entry-yellow";
352*0b57cec5SDimitry Andric     if (Hit == Total)
353*0b57cec5SDimitry Andric       CellClass = "column-entry-green";
354*0b57cec5SDimitry Andric     else if (Pctg < 80.0)
355*0b57cec5SDimitry Andric       CellClass = "column-entry-red";
356*0b57cec5SDimitry Andric     Columns.emplace_back(tag("td", tag("pre", S), CellClass));
357*0b57cec5SDimitry Andric   };
358*0b57cec5SDimitry Andric 
359*0b57cec5SDimitry Andric   // Simplify the display file path, and wrap it in a link if requested.
360*0b57cec5SDimitry Andric   std::string Filename;
361*0b57cec5SDimitry Andric   if (IsTotals) {
362*0b57cec5SDimitry Andric     Filename = SF;
363*0b57cec5SDimitry Andric   } else {
364*0b57cec5SDimitry Andric     Filename = buildLinkToFile(SF, FCS);
365*0b57cec5SDimitry Andric   }
366*0b57cec5SDimitry Andric 
367*0b57cec5SDimitry Andric   Columns.emplace_back(tag("td", tag("pre", Filename)));
368*0b57cec5SDimitry Andric   AddCoverageTripleToColumn(FCS.FunctionCoverage.getExecuted(),
369*0b57cec5SDimitry Andric                             FCS.FunctionCoverage.getNumFunctions(),
370*0b57cec5SDimitry Andric                             FCS.FunctionCoverage.getPercentCovered());
371*0b57cec5SDimitry Andric   if (Opts.ShowInstantiationSummary)
372*0b57cec5SDimitry Andric     AddCoverageTripleToColumn(FCS.InstantiationCoverage.getExecuted(),
373*0b57cec5SDimitry Andric                               FCS.InstantiationCoverage.getNumFunctions(),
374*0b57cec5SDimitry Andric                               FCS.InstantiationCoverage.getPercentCovered());
375*0b57cec5SDimitry Andric   AddCoverageTripleToColumn(FCS.LineCoverage.getCovered(),
376*0b57cec5SDimitry Andric                             FCS.LineCoverage.getNumLines(),
377*0b57cec5SDimitry Andric                             FCS.LineCoverage.getPercentCovered());
378*0b57cec5SDimitry Andric   if (Opts.ShowRegionSummary)
379*0b57cec5SDimitry Andric     AddCoverageTripleToColumn(FCS.RegionCoverage.getCovered(),
380*0b57cec5SDimitry Andric                               FCS.RegionCoverage.getNumRegions(),
381*0b57cec5SDimitry Andric                               FCS.RegionCoverage.getPercentCovered());
382*0b57cec5SDimitry Andric 
383*0b57cec5SDimitry Andric   if (IsTotals)
384*0b57cec5SDimitry Andric     OS << tag("tr", join(Columns.begin(), Columns.end(), ""), "light-row-bold");
385*0b57cec5SDimitry Andric   else
386*0b57cec5SDimitry Andric     OS << tag("tr", join(Columns.begin(), Columns.end(), ""), "light-row");
387*0b57cec5SDimitry Andric }
388*0b57cec5SDimitry Andric 
389*0b57cec5SDimitry Andric Error CoveragePrinterHTML::createIndexFile(
390*0b57cec5SDimitry Andric     ArrayRef<std::string> SourceFiles, const CoverageMapping &Coverage,
391*0b57cec5SDimitry Andric     const CoverageFiltersMatchAll &Filters) {
392*0b57cec5SDimitry Andric   // Emit the default stylesheet.
393*0b57cec5SDimitry Andric   auto CSSOrErr = createOutputStream("style", "css", /*InToplevel=*/true);
394*0b57cec5SDimitry Andric   if (Error E = CSSOrErr.takeError())
395*0b57cec5SDimitry Andric     return E;
396*0b57cec5SDimitry Andric 
397*0b57cec5SDimitry Andric   OwnedStream CSS = std::move(CSSOrErr.get());
398*0b57cec5SDimitry Andric   CSS->operator<<(CSSForCoverage);
399*0b57cec5SDimitry Andric 
400*0b57cec5SDimitry Andric   // Emit a file index along with some coverage statistics.
401*0b57cec5SDimitry Andric   auto OSOrErr = createOutputStream("index", "html", /*InToplevel=*/true);
402*0b57cec5SDimitry Andric   if (Error E = OSOrErr.takeError())
403*0b57cec5SDimitry Andric     return E;
404*0b57cec5SDimitry Andric   auto OS = std::move(OSOrErr.get());
405*0b57cec5SDimitry Andric   raw_ostream &OSRef = *OS.get();
406*0b57cec5SDimitry Andric 
407*0b57cec5SDimitry Andric   assert(Opts.hasOutputDirectory() && "No output directory for index file");
408*0b57cec5SDimitry Andric   emitPrelude(OSRef, Opts, getPathToStyle(""));
409*0b57cec5SDimitry Andric 
410*0b57cec5SDimitry Andric   // Emit some basic information about the coverage report.
411*0b57cec5SDimitry Andric   if (Opts.hasProjectTitle())
412*0b57cec5SDimitry Andric     OSRef << tag(ProjectTitleTag, escape(Opts.ProjectTitle, Opts));
413*0b57cec5SDimitry Andric   OSRef << tag(ReportTitleTag, "Coverage Report");
414*0b57cec5SDimitry Andric   if (Opts.hasCreatedTime())
415*0b57cec5SDimitry Andric     OSRef << tag(CreatedTimeTag, escape(Opts.CreatedTimeStr, Opts));
416*0b57cec5SDimitry Andric 
417*0b57cec5SDimitry Andric   // Emit a link to some documentation.
418*0b57cec5SDimitry Andric   OSRef << tag("p", "Click " +
419*0b57cec5SDimitry Andric                         a("http://clang.llvm.org/docs/"
420*0b57cec5SDimitry Andric                           "SourceBasedCodeCoverage.html#interpreting-reports",
421*0b57cec5SDimitry Andric                           "here") +
422*0b57cec5SDimitry Andric                         " for information about interpreting this report.");
423*0b57cec5SDimitry Andric 
424*0b57cec5SDimitry Andric   // Emit a table containing links to reports for each file in the covmapping.
425*0b57cec5SDimitry Andric   // Exclude files which don't contain any regions.
426*0b57cec5SDimitry Andric   OSRef << BeginCenteredDiv << BeginTable;
427*0b57cec5SDimitry Andric   emitColumnLabelsForIndex(OSRef, Opts);
428*0b57cec5SDimitry Andric   FileCoverageSummary Totals("TOTALS");
429*0b57cec5SDimitry Andric   auto FileReports = CoverageReport::prepareFileReports(
430*0b57cec5SDimitry Andric       Coverage, Totals, SourceFiles, Opts, Filters);
431*0b57cec5SDimitry Andric   bool EmptyFiles = false;
432*0b57cec5SDimitry Andric   for (unsigned I = 0, E = FileReports.size(); I < E; ++I) {
433*0b57cec5SDimitry Andric     if (FileReports[I].FunctionCoverage.getNumFunctions())
434*0b57cec5SDimitry Andric       emitFileSummary(OSRef, SourceFiles[I], FileReports[I]);
435*0b57cec5SDimitry Andric     else
436*0b57cec5SDimitry Andric       EmptyFiles = true;
437*0b57cec5SDimitry Andric   }
438*0b57cec5SDimitry Andric   emitFileSummary(OSRef, "Totals", Totals, /*IsTotals=*/true);
439*0b57cec5SDimitry Andric   OSRef << EndTable << EndCenteredDiv;
440*0b57cec5SDimitry Andric 
441*0b57cec5SDimitry Andric   // Emit links to files which don't contain any functions. These are normally
442*0b57cec5SDimitry Andric   // not very useful, but could be relevant for code which abuses the
443*0b57cec5SDimitry Andric   // preprocessor.
444*0b57cec5SDimitry Andric   if (EmptyFiles && Filters.empty()) {
445*0b57cec5SDimitry Andric     OSRef << tag("p", "Files which contain no functions. (These "
446*0b57cec5SDimitry Andric                       "files contain code pulled into other files "
447*0b57cec5SDimitry Andric                       "by the preprocessor.)\n");
448*0b57cec5SDimitry Andric     OSRef << BeginCenteredDiv << BeginTable;
449*0b57cec5SDimitry Andric     for (unsigned I = 0, E = FileReports.size(); I < E; ++I)
450*0b57cec5SDimitry Andric       if (!FileReports[I].FunctionCoverage.getNumFunctions()) {
451*0b57cec5SDimitry Andric         std::string Link = buildLinkToFile(SourceFiles[I], FileReports[I]);
452*0b57cec5SDimitry Andric         OSRef << tag("tr", tag("td", tag("pre", Link)), "light-row") << '\n';
453*0b57cec5SDimitry Andric       }
454*0b57cec5SDimitry Andric     OSRef << EndTable << EndCenteredDiv;
455*0b57cec5SDimitry Andric   }
456*0b57cec5SDimitry Andric 
457*0b57cec5SDimitry Andric   OSRef << tag("h5", escape(Opts.getLLVMVersionString(), Opts));
458*0b57cec5SDimitry Andric   emitEpilog(OSRef);
459*0b57cec5SDimitry Andric 
460*0b57cec5SDimitry Andric   return Error::success();
461*0b57cec5SDimitry Andric }
462*0b57cec5SDimitry Andric 
463*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderViewHeader(raw_ostream &OS) {
464*0b57cec5SDimitry Andric   OS << BeginCenteredDiv << BeginTable;
465*0b57cec5SDimitry Andric }
466*0b57cec5SDimitry Andric 
467*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderViewFooter(raw_ostream &OS) {
468*0b57cec5SDimitry Andric   OS << EndTable << EndCenteredDiv;
469*0b57cec5SDimitry Andric }
470*0b57cec5SDimitry Andric 
471*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile) {
472*0b57cec5SDimitry Andric   OS << BeginSourceNameDiv << tag("pre", escape(getSourceName(), getOptions()))
473*0b57cec5SDimitry Andric      << EndSourceNameDiv;
474*0b57cec5SDimitry Andric }
475*0b57cec5SDimitry Andric 
476*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLinePrefix(raw_ostream &OS, unsigned) {
477*0b57cec5SDimitry Andric   OS << "<tr>";
478*0b57cec5SDimitry Andric }
479*0b57cec5SDimitry Andric 
480*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLineSuffix(raw_ostream &OS, unsigned) {
481*0b57cec5SDimitry Andric   // If this view has sub-views, renderLine() cannot close the view's cell.
482*0b57cec5SDimitry Andric   // Take care of it here, after all sub-views have been rendered.
483*0b57cec5SDimitry Andric   if (hasSubViews())
484*0b57cec5SDimitry Andric     OS << EndCodeTD;
485*0b57cec5SDimitry Andric   OS << "</tr>";
486*0b57cec5SDimitry Andric }
487*0b57cec5SDimitry Andric 
488*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderViewDivider(raw_ostream &, unsigned) {
489*0b57cec5SDimitry Andric   // The table-based output makes view dividers unnecessary.
490*0b57cec5SDimitry Andric }
491*0b57cec5SDimitry Andric 
492*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLine(raw_ostream &OS, LineRef L,
493*0b57cec5SDimitry Andric                                         const LineCoverageStats &LCS,
494*0b57cec5SDimitry Andric                                         unsigned ExpansionCol, unsigned) {
495*0b57cec5SDimitry Andric   StringRef Line = L.Line;
496*0b57cec5SDimitry Andric   unsigned LineNo = L.LineNo;
497*0b57cec5SDimitry Andric 
498*0b57cec5SDimitry Andric   // Steps for handling text-escaping, highlighting, and tooltip creation:
499*0b57cec5SDimitry Andric   //
500*0b57cec5SDimitry Andric   // 1. Split the line into N+1 snippets, where N = |Segments|. The first
501*0b57cec5SDimitry Andric   //    snippet starts from Col=1 and ends at the start of the first segment.
502*0b57cec5SDimitry Andric   //    The last snippet starts at the last mapped column in the line and ends
503*0b57cec5SDimitry Andric   //    at the end of the line. Both are required but may be empty.
504*0b57cec5SDimitry Andric 
505*0b57cec5SDimitry Andric   SmallVector<std::string, 8> Snippets;
506*0b57cec5SDimitry Andric   CoverageSegmentArray Segments = LCS.getLineSegments();
507*0b57cec5SDimitry Andric 
508*0b57cec5SDimitry Andric   unsigned LCol = 1;
509*0b57cec5SDimitry Andric   auto Snip = [&](unsigned Start, unsigned Len) {
510*0b57cec5SDimitry Andric     Snippets.push_back(Line.substr(Start, Len));
511*0b57cec5SDimitry Andric     LCol += Len;
512*0b57cec5SDimitry Andric   };
513*0b57cec5SDimitry Andric 
514*0b57cec5SDimitry Andric   Snip(LCol - 1, Segments.empty() ? 0 : (Segments.front()->Col - 1));
515*0b57cec5SDimitry Andric 
516*0b57cec5SDimitry Andric   for (unsigned I = 1, E = Segments.size(); I < E; ++I)
517*0b57cec5SDimitry Andric     Snip(LCol - 1, Segments[I]->Col - LCol);
518*0b57cec5SDimitry Andric 
519*0b57cec5SDimitry Andric   // |Line| + 1 is needed to avoid underflow when, e.g |Line| = 0 and LCol = 1.
520*0b57cec5SDimitry Andric   Snip(LCol - 1, Line.size() + 1 - LCol);
521*0b57cec5SDimitry Andric 
522*0b57cec5SDimitry Andric   // 2. Escape all of the snippets.
523*0b57cec5SDimitry Andric 
524*0b57cec5SDimitry Andric   for (unsigned I = 0, E = Snippets.size(); I < E; ++I)
525*0b57cec5SDimitry Andric     Snippets[I] = escape(Snippets[I], getOptions());
526*0b57cec5SDimitry Andric 
527*0b57cec5SDimitry Andric   // 3. Use \p WrappedSegment to set the highlight for snippet 0. Use segment
528*0b57cec5SDimitry Andric   //    1 to set the highlight for snippet 2, segment 2 to set the highlight for
529*0b57cec5SDimitry Andric   //    snippet 3, and so on.
530*0b57cec5SDimitry Andric 
531*0b57cec5SDimitry Andric   Optional<StringRef> Color;
532*0b57cec5SDimitry Andric   SmallVector<std::pair<unsigned, unsigned>, 2> HighlightedRanges;
533*0b57cec5SDimitry Andric   auto Highlight = [&](const std::string &Snippet, unsigned LC, unsigned RC) {
534*0b57cec5SDimitry Andric     if (getOptions().Debug)
535*0b57cec5SDimitry Andric       HighlightedRanges.emplace_back(LC, RC);
536*0b57cec5SDimitry Andric     return tag("span", Snippet, Color.getValue());
537*0b57cec5SDimitry Andric   };
538*0b57cec5SDimitry Andric 
539*0b57cec5SDimitry Andric   auto CheckIfUncovered = [&](const CoverageSegment *S) {
540*0b57cec5SDimitry Andric     return S && (!S->IsGapRegion || (Color && *Color == "red")) &&
541*0b57cec5SDimitry Andric            S->HasCount && S->Count == 0;
542*0b57cec5SDimitry Andric   };
543*0b57cec5SDimitry Andric 
544*0b57cec5SDimitry Andric   if (CheckIfUncovered(LCS.getWrappedSegment())) {
545*0b57cec5SDimitry Andric     Color = "red";
546*0b57cec5SDimitry Andric     if (!Snippets[0].empty())
547*0b57cec5SDimitry Andric       Snippets[0] = Highlight(Snippets[0], 1, 1 + Snippets[0].size());
548*0b57cec5SDimitry Andric   }
549*0b57cec5SDimitry Andric 
550*0b57cec5SDimitry Andric   for (unsigned I = 0, E = Segments.size(); I < E; ++I) {
551*0b57cec5SDimitry Andric     const auto *CurSeg = Segments[I];
552*0b57cec5SDimitry Andric     if (CheckIfUncovered(CurSeg))
553*0b57cec5SDimitry Andric       Color = "red";
554*0b57cec5SDimitry Andric     else if (CurSeg->Col == ExpansionCol)
555*0b57cec5SDimitry Andric       Color = "cyan";
556*0b57cec5SDimitry Andric     else
557*0b57cec5SDimitry Andric       Color = None;
558*0b57cec5SDimitry Andric 
559*0b57cec5SDimitry Andric     if (Color.hasValue())
560*0b57cec5SDimitry Andric       Snippets[I + 1] = Highlight(Snippets[I + 1], CurSeg->Col,
561*0b57cec5SDimitry Andric                                   CurSeg->Col + Snippets[I + 1].size());
562*0b57cec5SDimitry Andric   }
563*0b57cec5SDimitry Andric 
564*0b57cec5SDimitry Andric   if (Color.hasValue() && Segments.empty())
565*0b57cec5SDimitry Andric     Snippets.back() = Highlight(Snippets.back(), 1, 1 + Snippets.back().size());
566*0b57cec5SDimitry Andric 
567*0b57cec5SDimitry Andric   if (getOptions().Debug) {
568*0b57cec5SDimitry Andric     for (const auto &Range : HighlightedRanges) {
569*0b57cec5SDimitry Andric       errs() << "Highlighted line " << LineNo << ", " << Range.first << " -> ";
570*0b57cec5SDimitry Andric       if (Range.second == 0)
571*0b57cec5SDimitry Andric         errs() << "?";
572*0b57cec5SDimitry Andric       else
573*0b57cec5SDimitry Andric         errs() << Range.second;
574*0b57cec5SDimitry Andric       errs() << "\n";
575*0b57cec5SDimitry Andric     }
576*0b57cec5SDimitry Andric   }
577*0b57cec5SDimitry Andric 
578*0b57cec5SDimitry Andric   // 4. Snippets[1:N+1] correspond to \p Segments[0:N]: use these to generate
579*0b57cec5SDimitry Andric   //    sub-line region count tooltips if needed.
580*0b57cec5SDimitry Andric 
581*0b57cec5SDimitry Andric   if (shouldRenderRegionMarkers(LCS)) {
582*0b57cec5SDimitry Andric     // Just consider the segments which start *and* end on this line.
583*0b57cec5SDimitry Andric     for (unsigned I = 0, E = Segments.size() - 1; I < E; ++I) {
584*0b57cec5SDimitry Andric       const auto *CurSeg = Segments[I];
585*0b57cec5SDimitry Andric       if (!CurSeg->IsRegionEntry)
586*0b57cec5SDimitry Andric         continue;
587*0b57cec5SDimitry Andric       if (CurSeg->Count == LCS.getExecutionCount())
588*0b57cec5SDimitry Andric         continue;
589*0b57cec5SDimitry Andric 
590*0b57cec5SDimitry Andric       Snippets[I + 1] =
591*0b57cec5SDimitry Andric           tag("div", Snippets[I + 1] + tag("span", formatCount(CurSeg->Count),
592*0b57cec5SDimitry Andric                                            "tooltip-content"),
593*0b57cec5SDimitry Andric               "tooltip");
594*0b57cec5SDimitry Andric 
595*0b57cec5SDimitry Andric       if (getOptions().Debug)
596*0b57cec5SDimitry Andric         errs() << "Marker at " << CurSeg->Line << ":" << CurSeg->Col << " = "
597*0b57cec5SDimitry Andric                << formatCount(CurSeg->Count) << "\n";
598*0b57cec5SDimitry Andric     }
599*0b57cec5SDimitry Andric   }
600*0b57cec5SDimitry Andric 
601*0b57cec5SDimitry Andric   OS << BeginCodeTD;
602*0b57cec5SDimitry Andric   OS << BeginPre;
603*0b57cec5SDimitry Andric   for (const auto &Snippet : Snippets)
604*0b57cec5SDimitry Andric     OS << Snippet;
605*0b57cec5SDimitry Andric   OS << EndPre;
606*0b57cec5SDimitry Andric 
607*0b57cec5SDimitry Andric   // If there are no sub-views left to attach to this cell, end the cell.
608*0b57cec5SDimitry Andric   // Otherwise, end it after the sub-views are rendered (renderLineSuffix()).
609*0b57cec5SDimitry Andric   if (!hasSubViews())
610*0b57cec5SDimitry Andric     OS << EndCodeTD;
611*0b57cec5SDimitry Andric }
612*0b57cec5SDimitry Andric 
613*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLineCoverageColumn(
614*0b57cec5SDimitry Andric     raw_ostream &OS, const LineCoverageStats &Line) {
615*0b57cec5SDimitry Andric   std::string Count = "";
616*0b57cec5SDimitry Andric   if (Line.isMapped())
617*0b57cec5SDimitry Andric     Count = tag("pre", formatCount(Line.getExecutionCount()));
618*0b57cec5SDimitry Andric   std::string CoverageClass =
619*0b57cec5SDimitry Andric       (Line.getExecutionCount() > 0) ? "covered-line" : "uncovered-line";
620*0b57cec5SDimitry Andric   OS << tag("td", Count, CoverageClass);
621*0b57cec5SDimitry Andric }
622*0b57cec5SDimitry Andric 
623*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderLineNumberColumn(raw_ostream &OS,
624*0b57cec5SDimitry Andric                                                     unsigned LineNo) {
625*0b57cec5SDimitry Andric   std::string LineNoStr = utostr(uint64_t(LineNo));
626*0b57cec5SDimitry Andric   std::string TargetName = "L" + LineNoStr;
627*0b57cec5SDimitry Andric   OS << tag("td", a("#" + TargetName, tag("pre", LineNoStr), TargetName),
628*0b57cec5SDimitry Andric             "line-number");
629*0b57cec5SDimitry Andric }
630*0b57cec5SDimitry Andric 
631*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderRegionMarkers(raw_ostream &,
632*0b57cec5SDimitry Andric                                                  const LineCoverageStats &Line,
633*0b57cec5SDimitry Andric                                                  unsigned) {
634*0b57cec5SDimitry Andric   // Region markers are rendered in-line using tooltips.
635*0b57cec5SDimitry Andric }
636*0b57cec5SDimitry Andric 
637*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderExpansionSite(raw_ostream &OS, LineRef L,
638*0b57cec5SDimitry Andric                                                  const LineCoverageStats &LCS,
639*0b57cec5SDimitry Andric                                                  unsigned ExpansionCol,
640*0b57cec5SDimitry Andric                                                  unsigned ViewDepth) {
641*0b57cec5SDimitry Andric   // Render the line containing the expansion site. No extra formatting needed.
642*0b57cec5SDimitry Andric   renderLine(OS, L, LCS, ExpansionCol, ViewDepth);
643*0b57cec5SDimitry Andric }
644*0b57cec5SDimitry Andric 
645*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderExpansionView(raw_ostream &OS,
646*0b57cec5SDimitry Andric                                                  ExpansionView &ESV,
647*0b57cec5SDimitry Andric                                                  unsigned ViewDepth) {
648*0b57cec5SDimitry Andric   OS << BeginExpansionDiv;
649*0b57cec5SDimitry Andric   ESV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/false,
650*0b57cec5SDimitry Andric                   /*ShowTitle=*/false, ViewDepth + 1);
651*0b57cec5SDimitry Andric   OS << EndExpansionDiv;
652*0b57cec5SDimitry Andric }
653*0b57cec5SDimitry Andric 
654*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderInstantiationView(raw_ostream &OS,
655*0b57cec5SDimitry Andric                                                      InstantiationView &ISV,
656*0b57cec5SDimitry Andric                                                      unsigned ViewDepth) {
657*0b57cec5SDimitry Andric   OS << BeginExpansionDiv;
658*0b57cec5SDimitry Andric   if (!ISV.View)
659*0b57cec5SDimitry Andric     OS << BeginSourceNameDiv
660*0b57cec5SDimitry Andric        << tag("pre",
661*0b57cec5SDimitry Andric               escape("Unexecuted instantiation: " + ISV.FunctionName.str(),
662*0b57cec5SDimitry Andric                      getOptions()))
663*0b57cec5SDimitry Andric        << EndSourceNameDiv;
664*0b57cec5SDimitry Andric   else
665*0b57cec5SDimitry Andric     ISV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/true,
666*0b57cec5SDimitry Andric                     /*ShowTitle=*/false, ViewDepth);
667*0b57cec5SDimitry Andric   OS << EndExpansionDiv;
668*0b57cec5SDimitry Andric }
669*0b57cec5SDimitry Andric 
670*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderTitle(raw_ostream &OS, StringRef Title) {
671*0b57cec5SDimitry Andric   if (getOptions().hasProjectTitle())
672*0b57cec5SDimitry Andric     OS << tag(ProjectTitleTag, escape(getOptions().ProjectTitle, getOptions()));
673*0b57cec5SDimitry Andric   OS << tag(ReportTitleTag, escape(Title, getOptions()));
674*0b57cec5SDimitry Andric   if (getOptions().hasCreatedTime())
675*0b57cec5SDimitry Andric     OS << tag(CreatedTimeTag,
676*0b57cec5SDimitry Andric               escape(getOptions().CreatedTimeStr, getOptions()));
677*0b57cec5SDimitry Andric }
678*0b57cec5SDimitry Andric 
679*0b57cec5SDimitry Andric void SourceCoverageViewHTML::renderTableHeader(raw_ostream &OS,
680*0b57cec5SDimitry Andric                                                unsigned FirstUncoveredLineNo,
681*0b57cec5SDimitry Andric                                                unsigned ViewDepth) {
682*0b57cec5SDimitry Andric   std::string SourceLabel;
683*0b57cec5SDimitry Andric   if (FirstUncoveredLineNo == 0) {
684*0b57cec5SDimitry Andric     SourceLabel = tag("td", tag("pre", "Source"));
685*0b57cec5SDimitry Andric   } else {
686*0b57cec5SDimitry Andric     std::string LinkTarget = "#L" + utostr(uint64_t(FirstUncoveredLineNo));
687*0b57cec5SDimitry Andric     SourceLabel =
688*0b57cec5SDimitry Andric         tag("td", tag("pre", "Source (" +
689*0b57cec5SDimitry Andric                                  a(LinkTarget, "jump to first uncovered line") +
690*0b57cec5SDimitry Andric                                  ")"));
691*0b57cec5SDimitry Andric   }
692*0b57cec5SDimitry Andric 
693*0b57cec5SDimitry Andric   renderLinePrefix(OS, ViewDepth);
694*0b57cec5SDimitry Andric   OS << tag("td", tag("pre", "Line")) << tag("td", tag("pre", "Count"))
695*0b57cec5SDimitry Andric      << SourceLabel;
696*0b57cec5SDimitry Andric   renderLineSuffix(OS, ViewDepth);
697*0b57cec5SDimitry Andric }
698