#include "SourceCoverageView.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/LineIterator.h"
using namespace llvm;
-void SourceCoverageView::renderLine(raw_ostream &OS, StringRef Line,
- int64_t LineNumber,
- const CoverageSegment *WrappedSegment,
- ArrayRef<const CoverageSegment *> Segments,
- unsigned ExpansionCol) {
+void SourceCoverageView::renderLine(
+ raw_ostream &OS, StringRef Line, int64_t LineNumber,
+ const coverage::CoverageSegment *WrappedSegment,
+ ArrayRef<const coverage::CoverageSegment *> Segments,
+ unsigned ExpansionCol) {
Optional<raw_ostream::Colors> Highlight;
SmallVector<std::pair<unsigned, unsigned>, 2> HighlightedRanges;
OS << "-";
}
+/// Format a count using engineering notation with 3 significant digits.
+static std::string formatCount(uint64_t N) {
+ std::string Number = utostr(N);
+ int Len = Number.size();
+ if (Len <= 3)
+ return Number;
+ int IntLen = Len % 3 == 0 ? 3 : Len % 3;
+ std::string Result(Number.data(), IntLen);
+ if (IntLen != 3) {
+ Result.push_back('.');
+ Result += Number.substr(IntLen, 3 - IntLen);
+ }
+ Result.push_back(" kMGTPEZY"[(Len - 1) / 3]);
+ return Result;
+}
+
void
SourceCoverageView::renderLineCoverageColumn(raw_ostream &OS,
const LineCoverageInfo &Line) {
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());
+ std::string C = formatCount(Line.ExecutionCount);
+ OS.indent(LineCoverageColumnWidth - C.size());
colored_ostream(OS, raw_ostream::MAGENTA,
Line.hasMultipleRegions() && Options.Colors)
- << Str;
+ << C;
OS << '|';
}
}
void SourceCoverageView::renderRegionMarkers(
- raw_ostream &OS, ArrayRef<const CoverageSegment *> Segments) {
- SmallString<32> Buffer;
- raw_svector_ostream BufferOS(Buffer);
-
+ raw_ostream &OS, ArrayRef<const coverage::CoverageSegment *> Segments) {
unsigned PrevColumn = 1;
for (const auto *S : Segments) {
if (!S->IsRegionEntry)
if (S->Col > PrevColumn)
OS.indent(S->Col - PrevColumn);
PrevColumn = S->Col + 1;
- BufferOS << S->Count;
- StringRef Str = BufferOS.str();
- // Trim the execution count
- Str = Str.substr(0, std::min(Str.size(), (size_t)7));
- PrevColumn += Str.size();
- OS << '^' << Str;
- Buffer.clear();
+ std::string C = formatCount(S->Count);
+ PrevColumn += C.size();
+ OS << '^' << C;
}
OS << "\n";
if (Options.Debug)
for (const auto *S : Segments)
- errs() << "Marker at " << S->Line << ":" << S->Col << " = " << S->Count
- << (S->IsRegionEntry ? "\n" : " (pop)\n");
+ errs() << "Marker at " << S->Line << ":" << S->Col << " = "
+ << formatCount(S->Count) << (S->IsRegionEntry ? "\n" : " (pop)\n");
}
void SourceCoverageView::render(raw_ostream &OS, bool WholeFile,
auto EndISV = InstantiationSubViews.end();
// Get the coverage information for the file.
- auto CoverageSegments = RegionManager->getCoverageSegments();
- assert(CoverageSegments.size() && "View with no coverage?");
- auto NextSegment = CoverageSegments.begin();
- auto EndSegment = CoverageSegments.end();
+ auto NextSegment = CoverageInfo.begin();
+ auto EndSegment = CoverageInfo.end();
- const CoverageSegment *WrappedSegment = nullptr;
- SmallVector<const CoverageSegment *, 8> LineSegments;
+ 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() < NextSegment->Line)
+ else if (LI.line_number() < FirstLine)
continue;
}
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;
}