void
SourceCoverageView::renderLineCoverageColumn(raw_ostream &OS,
const LineCoverageInfo &Line) {
if (!Line.isMapped()) {
OS.indent(LineCoverageColumnWidth) << '|';
return;
}
std::string C = formatCount(Line.ExecutionCount);
OS.indent(LineCoverageColumnWidth - C.size());
colored_ostream(OS, raw_ostream::MAGENTA,
Line.hasMultipleRegions() && Options.Colors)
<< C;
OS << '|';
}
void
SourceCoverageView::renderLineCoverageColumn(raw_ostream &OS,
const LineCoverageInfo &Line) {
if (!Line.isMapped()) {
OS.indent(LineCoverageColumnWidth) << '|';
return;
}
SmallString<32> Buffer;
raw_svector_ostream BufferOS(Buffer);
BufferOS << Line.ExecutionCount;
auto Str = BufferOS.str();
// Trim
Str = Str.substr(0, std::min(Str.size(), (size_t)LineCoverageColumnWidth));
// Align to the right
OS.indent(LineCoverageColumnWidth - Str.size());
colored_ostream(OS, raw_ostream::MAGENTA,
Line.hasMultipleRegions() && Options.Colors)
<< Str;
OS << '|';
}
void SourceCoverageView::render(raw_ostream &OS, bool WholeFile,
unsigned IndentLevel) {
// The width of the leading columns
unsigned CombinedColumnWidth =
(Options.ShowLineStats ? LineCoverageColumnWidth + 1 : 0) +
(Options.ShowLineNumbers ? LineNumberColumnWidth + 1 : 0);
// The width of the line that is used to divide between the view and the
// subviews.
unsigned DividerWidth = CombinedColumnWidth + 4;
// We need the expansions and instantiations sorted so we can go through them
// while we iterate lines.
std::sort(ExpansionSubViews.begin(), ExpansionSubViews.end());
std::sort(InstantiationSubViews.begin(), InstantiationSubViews.end());
auto NextESV = ExpansionSubViews.begin();
auto EndESV = ExpansionSubViews.end();
auto NextISV = InstantiationSubViews.begin();
auto EndISV = InstantiationSubViews.end();
// Get the coverage information for the file.
auto NextSegment = CoverageInfo.begin();
auto EndSegment = CoverageInfo.end();
unsigned FirstLine = NextSegment != EndSegment ? NextSegment->Line : 0;
const coverage::CoverageSegment *WrappedSegment = nullptr;
SmallVector<const coverage::CoverageSegment *, 8> LineSegments;
for (line_iterator LI(File, /*SkipBlanks=*/false); !LI.is_at_eof(); ++LI) {
// If we aren't rendering the whole file, we need to filter out the prologue
// and epilogue.
if (!WholeFile) {
if (NextSegment == EndSegment)
break;
else if (LI.line_number() < FirstLine)
continue;
}
// Collect the coverage information relevant to this line.
if (LineSegments.size())
WrappedSegment = LineSegments.back();
LineSegments.clear();
while (NextSegment != EndSegment && NextSegment->Line == LI.line_number())
LineSegments.push_back(&*NextSegment++);
// Calculate a count to be for the line as a whole.
LineCoverageInfo LineCount;
if (WrappedSegment && WrappedSegment->HasCount)
LineCount.addRegionCount(WrappedSegment->Count);
for (const auto *S : LineSegments)
if (S->HasCount && S->IsRegionEntry)
LineCount.addRegionStartCount(S->Count);
// Render the line prefix.
renderIndent(OS, IndentLevel);
if (Options.ShowLineStats)
renderLineCoverageColumn(OS, LineCount);
if (Options.ShowLineNumbers)
renderLineNumberColumn(OS, LI.line_number());
// If there are expansion subviews, we want to highlight the first one.
unsigned ExpansionColumn = 0;
if (NextESV != EndESV && NextESV->getLine() == LI.line_number() &&
Options.Colors)
ExpansionColumn = NextESV->getStartCol();
// Display the source code for the current line.
renderLine(OS, *LI, LI.line_number(), WrappedSegment, LineSegments,
ExpansionColumn);
// Show the region markers.
if (Options.ShowRegionMarkers && (!Options.ShowLineStatsOrRegionMarkers ||
LineCount.hasMultipleRegions()) &&
!LineSegments.empty()) {
renderIndent(OS, IndentLevel);
OS.indent(CombinedColumnWidth);
renderRegionMarkers(OS, LineSegments);
}
// Show the expansions and instantiations for this line.
unsigned NestedIndent = IndentLevel + 1;
bool RenderedSubView = false;
for (; NextESV != EndESV && NextESV->getLine() == LI.line_number();
++NextESV) {
renderViewDivider(NestedIndent, DividerWidth, OS);
OS << "\n";
if (RenderedSubView) {
// Re-render the current line and highlight the expansion range for
// this subview.
ExpansionColumn = NextESV->getStartCol();
renderIndent(OS, IndentLevel);
OS.indent(CombinedColumnWidth + (IndentLevel == 0 ? 0 : 1));
renderLine(OS, *LI, LI.line_number(), WrappedSegment, LineSegments,
ExpansionColumn);
renderViewDivider(NestedIndent, DividerWidth, OS);
OS << "\n";
}
// Render the child subview
if (Options.Debug)
errs() << "Expansion at line " << NextESV->getLine() << ", "
<< NextESV->getStartCol() << " -> " << NextESV->getEndCol()
<< "\n";
NextESV->View->render(OS, false, NestedIndent);
RenderedSubView = true;
}
for (; NextISV != EndISV && NextISV->Line == LI.line_number(); ++NextISV) {
renderViewDivider(NestedIndent, DividerWidth, OS);
OS << "\n";
renderIndent(OS, NestedIndent);
OS << ' ';
Options.colored_ostream(OS, raw_ostream::CYAN) << NextISV->FunctionName
<< ":";
OS << "\n";
NextISV->View->render(OS, false, NestedIndent);
RenderedSubView = true;
}
if (RenderedSubView) {
renderViewDivider(NestedIndent, DividerWidth, OS);
OS << "\n";
}
}
}
