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gerrit-public.fairphone.software / toolchain / llvm-project / 7b9e9bb49153c714a363acf4958373d8254d5a76 / . / llvm / tools / llvm-cov / SourceCoverageViewHTML.cpp
blob: 8bb51590fde403f9683d01344d8b06f216ee1fea [file] [log] [blame]
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]1//===- SourceCoverageViewHTML.cpp - A html code coverage view -------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9///
10/// \file This file implements the html coverage renderer.
11///
12//===----------------------------------------------------------------------===//
13
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]14#include "CoverageReport.h"
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]15#include "SourceCoverageViewHTML.h"
16#include "llvm/ADT/Optional.h"
17#include "llvm/ADT/SmallString.h"
18#include "llvm/ADT/StringExtras.h"
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]19#include "llvm/Support/FileSystem.h"
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]20#include "llvm/Support/Format.h"
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]21#include "llvm/Support/Path.h"
22
23using namespace llvm;
24
25namespace {
26
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]27// Return a string with the special characters in \p Str escaped.
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]28std::string escape(StringRef Str, const CoverageViewOptions &Opts) {
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]29 std::string Result;
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]30 unsigned ColNum = 0; // Record the column number.
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]31 for (char C : Str) {
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]32 ++ColNum;
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]33 if (C == '&')
34 Result += "&";
35 else if (C == '<')
36 Result += "&lt;";
37 else if (C == '>')
38 Result += "&gt;";
39 else if (C == '\"')
40 Result += "&quot;";
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]41 else if (C == '\n' || C == '\r') {
42 Result += C;
43 ColNum = 0;
44 } else if (C == '\t') {
45 // Replace '\t' with TabSize spaces.
46 unsigned NumSpaces = Opts.TabSize - (--ColNum % Opts.TabSize);
47 for (unsigned I = 0; I < NumSpaces; ++I)
48 Result += "&nbsp;";
49 ColNum += NumSpaces;
50 } else
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]51 Result += C;
52 }
53 return Result;
54}
55
56// Create a \p Name tag around \p Str, and optionally set its \p ClassName.
57std::string tag(const std::string &Name, const std::string &Str,
58 const std::string &ClassName = "") {
59 std::string Tag = "<" + Name;
60 if (ClassName != "")
61 Tag += " class='" + ClassName + "'";
62 return Tag + ">" + Str + "</" + Name + ">";
63}
64
65// Create an anchor to \p Link with the label \p Str.
66std::string a(const std::string &Link, const std::string &Str,
67 const std::string &TargetType = "href") {
68 return "<a " + TargetType + "='" + Link + "'>" + Str + "</a>";
69}
70
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]71const char *BeginHeader =
72 "<head>"
73 "<meta name='viewport' content='width=device-width,initial-scale=1'>"
74 "<meta charset='UTF-8'>";
75
76const char *CSSForCoverage =
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]77 R"(.red {
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]78 background-color: #ffd0d0;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]79}
80.cyan {
81 background-color: cyan;
82}
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]83body {
84 font-family: -apple-system, sans-serif;
85}
86pre {
87 margin-top: 0px !important;
88 margin-bottom: 0px !important;
89}
90.source-name-title {
91 padding: 5px 10px;
92 border-bottom: 1px solid #dbdbdb;
93 background-color: #eee;
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]94 line-height: 35px;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]95}
96.centered {
97 display: table;
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]98 margin-left: left;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]99 margin-right: auto;
100 border: 1px solid #dbdbdb;
101 border-radius: 3px;
102}
103.expansion-view {
104 background-color: rgba(0, 0, 0, 0);
105 margin-left: 0px;
106 margin-top: 5px;
107 margin-right: 5px;
108 margin-bottom: 5px;
109 border: 1px solid #dbdbdb;
110 border-radius: 3px;
111}
112table {
113 border-collapse: collapse;
114}
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]115.light-row {
116 background: #ffffff;
117 border: 1px solid #dbdbdb;
118}
119.column-entry {
120 text-align: right;
121}
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]122.column-entry-left {
123 text-align: left;
124}
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]125.column-entry-yellow {
126 text-align: right;
127 background-color: #ffffd0;
128}
129.column-entry-red {
130 text-align: right;
131 background-color: #ffd0d0;
132}
133.column-entry-green {
134 text-align: right;
135 background-color: #d0ffd0;
136}
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]137.line-number {
138 text-align: right;
139 color: #aaa;
140}
141.covered-line {
142 text-align: right;
143 color: #0080ff;
144}
145.uncovered-line {
146 text-align: right;
147 color: #ff3300;
148}
149.tooltip {
150 position: relative;
151 display: inline;
152 background-color: #b3e6ff;
153 text-decoration: none;
154}
155.tooltip span.tooltip-content {
156 position: absolute;
157 width: 100px;
158 margin-left: -50px;
159 color: #FFFFFF;
160 background: #000000;
161 height: 30px;
162 line-height: 30px;
163 text-align: center;
164 visibility: hidden;
165 border-radius: 6px;
166}
167.tooltip span.tooltip-content:after {
168 content: '';
169 position: absolute;
170 top: 100%;
171 left: 50%;
172 margin-left: -8px;
173 width: 0; height: 0;
174 border-top: 8px solid #000000;
175 border-right: 8px solid transparent;
176 border-left: 8px solid transparent;
177}
178:hover.tooltip span.tooltip-content {
179 visibility: visible;
180 opacity: 0.8;
181 bottom: 30px;
182 left: 50%;
183 z-index: 999;
184}
185th, td {
186 vertical-align: top;
187 padding: 2px 5px;
188 border-collapse: collapse;
189 border-right: solid 1px #eee;
190 border-left: solid 1px #eee;
191}
192td:first-child {
193 border-left: none;
194}
195td:last-child {
196 border-right: none;
197}
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]198)";
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]199
200const char *EndHeader = "</head>";
201
202const char *BeginCenteredDiv = "<div class='centered'>";
203
204const char *EndCenteredDiv = "</div>";
205
206const char *BeginSourceNameDiv = "<div class='source-name-title'>";
207
208const char *EndSourceNameDiv = "</div>";
209
210const char *BeginCodeTD = "<td class='code'>";
211
212const char *EndCodeTD = "</td>";
213
214const char *BeginPre = "<pre>";
215
216const char *EndPre = "</pre>";
217
218const char *BeginExpansionDiv = "<div class='expansion-view'>";
219
220const char *EndExpansionDiv = "</div>";
221
222const char *BeginTable = "<table>";
223
224const char *EndTable = "</table>";
225
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]226const char *ProjectTitleTag = "h1";
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]227
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]228const char *ReportTitleTag = "h2";
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]229
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]230const char *CreatedTimeTag = "h4";
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]231
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]232std::string getPathToStyle(StringRef ViewPath) {
233 std::string PathToStyle = "";
234 std::string PathSep = sys::path::get_separator();
235 unsigned NumSeps = ViewPath.count(PathSep);
236 for (unsigned I = 0, E = NumSeps; I < E; ++I)
237 PathToStyle += ".." + PathSep;
238 return PathToStyle + "style.css";
239}
240
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]241void emitPrelude(raw_ostream &OS, const CoverageViewOptions &Opts,
242 const std::string &PathToStyle = "") {
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]243 OS << "<!doctype html>"
244 "<html>"
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]245 << BeginHeader;
246
247 // Link to a stylesheet if one is available. Otherwise, use the default style.
248 if (PathToStyle.empty())
249 OS << "<style>" << CSSForCoverage << "</style>";
250 else
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]251 OS << "<link rel='stylesheet' type='text/css' href='"
252 << escape(PathToStyle, Opts) << "'>";
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]253
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]254 OS << EndHeader << "<body>";
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]255}
256
257void emitEpilog(raw_ostream &OS) {
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]258 OS << "</body>"
259 << "</html>";
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]260}
261
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]262} // anonymous namespace
263
264Expected<CoveragePrinter::OwnedStream>
265CoveragePrinterHTML::createViewFile(StringRef Path, bool InToplevel) {
266 auto OSOrErr = createOutputStream(Path, "html", InToplevel);
267 if (!OSOrErr)
268 return OSOrErr;
269
270 OwnedStream OS = std::move(OSOrErr.get());
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]271
272 if (!Opts.hasOutputDirectory()) {
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]273 emitPrelude(*OS.get(), Opts);
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]274 } else {
275 std::string ViewPath = getOutputPath(Path, "html", InToplevel);
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]276 emitPrelude(*OS.get(), Opts, getPathToStyle(ViewPath));
Vedant Kumarc076c492016-07-21 23:26:15 +0000[diff] [blame]277 }
278
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]279 return std::move(OS);
280}
281
282void CoveragePrinterHTML::closeViewFile(OwnedStream OS) {
283 emitEpilog(*OS.get());
284}
285
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]286/// Emit column labels for the table in the index.
287static void emitColumnLabelsForIndex(raw_ostream &OS) {
288 SmallVector<std::string, 4> Columns;
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]289 Columns.emplace_back(tag("td", "Filename", "column-entry-left"));
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]290 for (const char *Label :
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]291 {"Function Coverage", "Line Coverage", "Region Coverage"})
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]292 Columns.emplace_back(tag("td", Label, "column-entry"));
293 OS << tag("tr", join(Columns.begin(), Columns.end(), ""));
294}
295
296/// Render a file coverage summary (\p FCS) in a table row. If \p IsTotals is
297/// false, link the summary to \p SF.
298void CoveragePrinterHTML::emitFileSummary(raw_ostream &OS, StringRef SF,
299 const FileCoverageSummary &FCS,
300 bool IsTotals) const {
301 SmallVector<std::string, 4> Columns;
302
303 // Format a coverage triple and add the result to the list of columns.
304 auto AddCoverageTripleToColumn = [&Columns](unsigned Hit, unsigned Total,
305 float Pctg) {
306 std::string S;
307 {
308 raw_string_ostream RSO{S};
309 RSO << format("%*.2f", 7, Pctg) << "% (" << Hit << '/' << Total << ')';
310 }
311 const char *CellClass = "column-entry-yellow";
312 if (Pctg < 80.0)
313 CellClass = "column-entry-red";
314 else if (Hit == Total)
315 CellClass = "column-entry-green";
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]316 Columns.emplace_back(tag("td", tag("pre", S), CellClass));
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]317 };
318
319 // Simplify the display file path, and wrap it in a link if requested.
320 std::string Filename;
321 SmallString<128> LinkTextStr(sys::path::relative_path(FCS.Name));
322 sys::path::remove_dots(LinkTextStr, /*remove_dot_dots=*/true);
323 sys::path::native(LinkTextStr);
324 std::string LinkText = escape(LinkTextStr, Opts);
325 if (IsTotals) {
326 Filename = LinkText;
327 } else {
328 std::string LinkTarget =
329 escape(getOutputPath(SF, "html", /*InToplevel=*/false), Opts);
330 Filename = a(LinkTarget, LinkText);
331 }
332
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]333 Columns.emplace_back(tag("td", tag("pre", Filename)));
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]334 AddCoverageTripleToColumn(FCS.FunctionCoverage.Executed,
335 FCS.FunctionCoverage.NumFunctions,
336 FCS.FunctionCoverage.getPercentCovered());
337 AddCoverageTripleToColumn(
338 FCS.LineCoverage.NumLines - FCS.LineCoverage.NotCovered,
339 FCS.LineCoverage.NumLines, FCS.LineCoverage.getPercentCovered());
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]340 AddCoverageTripleToColumn(
341 FCS.RegionCoverage.NumRegions - FCS.RegionCoverage.NotCovered,
342 FCS.RegionCoverage.NumRegions, FCS.RegionCoverage.getPercentCovered());
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]343
344 OS << tag("tr", join(Columns.begin(), Columns.end(), ""), "light-row");
345}
346
347Error CoveragePrinterHTML::createIndexFile(
348 ArrayRef<StringRef> SourceFiles,
349 const coverage::CoverageMapping &Coverage) {
350 // Emit the default stylesheet.
351 auto CSSOrErr = createOutputStream("style", "css", /*InToplevel=*/true);
352 if (Error E = CSSOrErr.takeError())
353 return E;
354
355 OwnedStream CSS = std::move(CSSOrErr.get());
356 CSS->operator<<(CSSForCoverage);
357
358 // Emit a file index along with some coverage statistics.
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]359 auto OSOrErr = createOutputStream("index", "html", /*InToplevel=*/true);
360 if (Error E = OSOrErr.takeError())
361 return E;
362 auto OS = std::move(OSOrErr.get());
363 raw_ostream &OSRef = *OS.get();
364
Vedant Kumar127d0502016-07-22 20:49:23 +0000[diff] [blame]365 assert(Opts.hasOutputDirectory() && "No output directory for index file");
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]366 emitPrelude(OSRef, Opts, getPathToStyle(""));
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]367
368 // Emit some basic information about the coverage report.
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]369 if (Opts.hasProjectTitle())
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]370 OSRef << tag(ProjectTitleTag, escape(Opts.ProjectTitle, Opts));
371 OSRef << tag(ReportTitleTag, "Coverage Report");
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]372 if (Opts.hasCreatedTime())
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]373 OSRef << tag(CreatedTimeTag, escape(Opts.CreatedTimeStr, Opts));
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]374
375 // Emit a table containing links to reports for each file in the covmapping.
376 CoverageReport Report(Opts, Coverage);
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]377 OSRef << BeginCenteredDiv << BeginTable;
Vedant Kumara59334d2016-09-09 01:32:55 +0000[diff] [blame]378 emitColumnLabelsForIndex(OSRef);
379 FileCoverageSummary Totals("TOTALS");
380 auto FileReports = Report.prepareFileReports(Totals, SourceFiles);
381 for (unsigned I = 0, E = FileReports.size(); I < E; ++I)
382 emitFileSummary(OSRef, SourceFiles[I], FileReports[I]);
383 emitFileSummary(OSRef, "Totals", Totals, /*IsTotals=*/true);
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]384 OSRef << EndTable << EndCenteredDiv;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]385 emitEpilog(OSRef);
386
387 return Error::success();
388}
389
390void SourceCoverageViewHTML::renderViewHeader(raw_ostream &OS) {
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]391 OS << BeginCenteredDiv << BeginTable;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]392}
393
394void SourceCoverageViewHTML::renderViewFooter(raw_ostream &OS) {
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]395 OS << EndTable << EndCenteredDiv;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]396}
397
Ying Yid36b47c2016-09-06 19:31:18 +0000[diff] [blame]398void SourceCoverageViewHTML::renderSourceName(raw_ostream &OS, bool WholeFile,
399 unsigned FirstUncoveredLineNo) {
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]400 OS << BeginSourceNameDiv;
Vedant Kumar0053c0b2016-09-08 00:56:48 +0000[diff] [blame]401 std::string ViewInfo = escape(
402 WholeFile ? getVerboseSourceName() : getSourceName(), getOptions());
403 OS << tag("pre", ViewInfo);
Ying Yid36b47c2016-09-06 19:31:18 +0000[diff] [blame]404 if (WholeFile) {
Ying Yid36b47c2016-09-06 19:31:18 +0000[diff] [blame]405 // Render the "Go to first unexecuted line" link for the view.
406 if (FirstUncoveredLineNo != 0) { // The file is not fully covered
407 std::string LinkText =
408 escape("Go to first unexecuted line", getOptions());
409 std::string LinkTarget = "#L" + utostr(uint64_t(FirstUncoveredLineNo));
410 OS << tag("pre", a(LinkTarget, LinkText));
411 }
412 }
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]413 OS << EndSourceNameDiv;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]414}
415
416void SourceCoverageViewHTML::renderLinePrefix(raw_ostream &OS, unsigned) {
417 OS << "<tr>";
418}
419
420void SourceCoverageViewHTML::renderLineSuffix(raw_ostream &OS, unsigned) {
421 // If this view has sub-views, renderLine() cannot close the view's cell.
422 // Take care of it here, after all sub-views have been rendered.
423 if (hasSubViews())
424 OS << EndCodeTD;
425 OS << "</tr>";
426}
427
428void SourceCoverageViewHTML::renderViewDivider(raw_ostream &, unsigned) {
429 // The table-based output makes view dividers unnecessary.
430}
431
432void SourceCoverageViewHTML::renderLine(
433 raw_ostream &OS, LineRef L, const coverage::CoverageSegment *WrappedSegment,
434 CoverageSegmentArray Segments, unsigned ExpansionCol, unsigned) {
435 StringRef Line = L.Line;
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]436 unsigned LineNo = L.LineNo;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]437
438 // Steps for handling text-escaping, highlighting, and tooltip creation:
439 //
440 // 1. Split the line into N+1 snippets, where N = |Segments|. The first
441 // snippet starts from Col=1 and ends at the start of the first segment.
442 // The last snippet starts at the last mapped column in the line and ends
443 // at the end of the line. Both are required but may be empty.
444
445 SmallVector<std::string, 8> Snippets;
446
447 unsigned LCol = 1;
448 auto Snip = [&](unsigned Start, unsigned Len) {
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]449 Snippets.push_back(Line.substr(Start, Len));
450 LCol += Len;
451 };
452
453 Snip(LCol - 1, Segments.empty() ? 0 : (Segments.front()->Col - 1));
454
Vedant Kumarc236e5a2016-09-09 18:44:40 +0000[diff] [blame]455 for (unsigned I = 1, E = Segments.size(); I < E; ++I)
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]456 Snip(LCol - 1, Segments[I]->Col - LCol);
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]457
458 // |Line| + 1 is needed to avoid underflow when, e.g |Line| = 0 and LCol = 1.
459 Snip(LCol - 1, Line.size() + 1 - LCol);
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]460
461 // 2. Escape all of the snippets.
462
463 for (unsigned I = 0, E = Snippets.size(); I < E; ++I)
Ying Yi0ef31b72016-08-04 10:39:43 +0000[diff] [blame]464 Snippets[I] = escape(Snippets[I], getOptions());
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]465
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]466 // 3. Use \p WrappedSegment to set the highlight for snippet 0. Use segment
467 // 1 to set the highlight for snippet 2, segment 2 to set the highlight for
468 // snippet 3, and so on.
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]469
470 Optional<std::string> Color;
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]471 SmallVector<std::pair<unsigned, unsigned>, 2> HighlightedRanges;
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]472 auto Highlight = [&](const std::string &Snippet, unsigned LC, unsigned RC) {
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]473 if (getOptions().Debug)
474 HighlightedRanges.emplace_back(LC, RC);
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]475 return tag("span", Snippet, Color.getValue());
476 };
477
478 auto CheckIfUncovered = [](const coverage::CoverageSegment *S) {
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]479 return S && S->HasCount && S->Count == 0;
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]480 };
481
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]482 if (CheckIfUncovered(WrappedSegment)) {
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]483 Color = "red";
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]484 if (!Snippets[0].empty())
485 Snippets[0] = Highlight(Snippets[0], 1, 1 + Snippets[0].size());
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]486 }
487
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]488 for (unsigned I = 0, E = Segments.size(); I < E; ++I) {
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]489 const auto *CurSeg = Segments[I];
490 if (CurSeg->Col == ExpansionCol)
491 Color = "cyan";
492 else if (CheckIfUncovered(CurSeg))
493 Color = "red";
494 else
495 Color = None;
496
497 if (Color.hasValue())
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]498 Snippets[I + 1] = Highlight(Snippets[I + 1], CurSeg->Col,
499 CurSeg->Col + Snippets[I + 1].size());
500 }
501
502 if (Color.hasValue() && Segments.empty())
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]503 Snippets.back() = Highlight(Snippets.back(), 1, 1 + Snippets.back().size());
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]504
505 if (getOptions().Debug) {
506 for (const auto &Range : HighlightedRanges) {
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]507 errs() << "Highlighted line " << LineNo << ", " << Range.first << " -> ";
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]508 if (Range.second == 0)
509 errs() << "?";
510 else
Vedant Kumar0b33f2c2016-09-08 19:18:23 +0000[diff] [blame]511 errs() << Range.second;
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]512 errs() << "\n";
513 }
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]514 }
515
516 // 4. Snippets[1:N+1] correspond to \p Segments[0:N]: use these to generate
517 // sub-line region count tooltips if needed.
518
519 bool HasMultipleRegions = [&] {
520 unsigned RegionCount = 0;
521 for (const auto *S : Segments)
522 if (S->HasCount && S->IsRegionEntry)
523 if (++RegionCount > 1)
524 return true;
525 return false;
526 }();
527
528 if (shouldRenderRegionMarkers(HasMultipleRegions)) {
529 for (unsigned I = 0, E = Segments.size(); I < E; ++I) {
530 const auto *CurSeg = Segments[I];
531 if (!CurSeg->IsRegionEntry || !CurSeg->HasCount)
532 continue;
533
534 Snippets[I + 1] =
535 tag("div", Snippets[I + 1] + tag("span", formatCount(CurSeg->Count),
Vedant Kumarfc07e8b2016-07-27 21:57:15 +0000[diff] [blame]536 "tooltip-content"),
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]537 "tooltip");
538 }
539 }
540
541 OS << BeginCodeTD;
542 OS << BeginPre;
543 for (const auto &Snippet : Snippets)
544 OS << Snippet;
545 OS << EndPre;
546
547 // If there are no sub-views left to attach to this cell, end the cell.
548 // Otherwise, end it after the sub-views are rendered (renderLineSuffix()).
549 if (!hasSubViews())
550 OS << EndCodeTD;
551}
552
553void SourceCoverageViewHTML::renderLineCoverageColumn(
554 raw_ostream &OS, const LineCoverageStats &Line) {
555 std::string Count = "";
556 if (Line.isMapped())
557 Count = tag("pre", formatCount(Line.ExecutionCount));
558 std::string CoverageClass =
559 (Line.ExecutionCount > 0) ? "covered-line" : "uncovered-line";
560 OS << tag("td", Count, CoverageClass);
561}
562
563void SourceCoverageViewHTML::renderLineNumberColumn(raw_ostream &OS,
564 unsigned LineNo) {
Vedant Kumar2e089362016-07-18 17:53:16 +0000[diff] [blame]565 std::string LineNoStr = utostr(uint64_t(LineNo));
566 OS << tag("td", a("L" + LineNoStr, tag("pre", LineNoStr), "name"),
567 "line-number");
Vedant Kumar4c010922016-07-06 21:44:05 +0000[diff] [blame]568}
569
570void SourceCoverageViewHTML::renderRegionMarkers(raw_ostream &,
571 CoverageSegmentArray,
572 unsigned) {
573 // Region markers are rendered in-line using tooltips.
574}
575
576void SourceCoverageViewHTML::renderExpansionSite(
577 raw_ostream &OS, LineRef L, const coverage::CoverageSegment *WrappedSegment,
578 CoverageSegmentArray Segments, unsigned ExpansionCol, unsigned ViewDepth) {
579 // Render the line containing the expansion site. No extra formatting needed.
580 renderLine(OS, L, WrappedSegment, Segments, ExpansionCol, ViewDepth);
581}
582
583void SourceCoverageViewHTML::renderExpansionView(raw_ostream &OS,
584 ExpansionView &ESV,
585 unsigned ViewDepth) {
586 OS << BeginExpansionDiv;
587 ESV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/false,
588 ViewDepth + 1);
589 OS << EndExpansionDiv;
590}
591
592void SourceCoverageViewHTML::renderInstantiationView(raw_ostream &OS,
593 InstantiationView &ISV,
594 unsigned ViewDepth) {
595 OS << BeginExpansionDiv;
596 ISV.View->print(OS, /*WholeFile=*/false, /*ShowSourceName=*/true, ViewDepth);
597 OS << EndExpansionDiv;
598}
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]599
600void SourceCoverageViewHTML::renderCellInTitle(raw_ostream &OS,
601 StringRef CellText) {
602 if (getOptions().hasProjectTitle())
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]603 OS << tag(ProjectTitleTag, escape(getOptions().ProjectTitle, getOptions()));
604 OS << tag(ReportTitleTag, escape(CellText, getOptions()));
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]605 if (getOptions().hasCreatedTime())
Vedant Kumar7b9e9bb2016-09-10 19:37:20 +0000[diff] [blame^]606 OS << tag(CreatedTimeTag,
607 escape(getOptions().CreatedTimeStr, getOptions()));
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]608}
609
610void SourceCoverageViewHTML::renderTableHeader(raw_ostream &OS,
611 unsigned ViewDepth) {
612 renderLinePrefix(OS, ViewDepth);
613 OS << tag("td", tag("span", tag("pre", escape("Line No.", getOptions()))))
Vedant Kumar8938f922016-08-31 00:09:44 +0000[diff] [blame]614 << tag("td", tag("span", tag("pre", escape("Count", getOptions()))))
Ying Yi84dc9712016-08-24 14:27:23 +0000[diff] [blame]615 << tag("td", tag("span", tag("pre", escape("Source", getOptions()))));
616 renderLineSuffix(OS, ViewDepth);
617}