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[llvm-cov] Add an API to prepare file reports (NFC)

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It would be nice to prepare file reports (using the CoverageReport API)
without actually rendering them to the console. I plan on using this to
flesh out the 'index' files in the coverage views.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@281009 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vedant Kumar 2016-09-09 01:32:49 +00:00
parent f539109ae3
commit 006e320c47
2 changed files with 47 additions and 20 deletions
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52
tools/llvm-cov/CoverageReport.cpp
View File

@ -133,7 +133,8 @@ unsigned getLongestCommonPrefixLen(ArrayRef<StringRef> Strings) {
namespace llvm { namespace llvm {
void CoverageReport::render(const FileCoverageSummary &File, raw_ostream &OS) { void CoverageReport::render(const FileCoverageSummary &File,
raw_ostream &OS) const {
auto FileCoverageColor = auto FileCoverageColor =
determineCoveragePercentageColor(File.RegionCoverage); determineCoveragePercentageColor(File.RegionCoverage);
auto FuncCoverageColor = auto FuncCoverageColor =
@ -169,7 +170,7 @@ void CoverageReport::render(const FileCoverageSummary &File, raw_ostream &OS) {
} }
void CoverageReport::render(const FunctionCoverageSummary &Function, void CoverageReport::render(const FunctionCoverageSummary &Function,
raw_ostream &OS) { raw_ostream &OS) const {
auto FuncCoverageColor = auto FuncCoverageColor =
determineCoveragePercentageColor(Function.RegionCoverage); determineCoveragePercentageColor(Function.RegionCoverage);
auto LineCoverageColor = auto LineCoverageColor =
@ -234,7 +235,34 @@ void CoverageReport::renderFunctionReports(ArrayRef<StringRef> Files,
} }
} }
void CoverageReport::renderFileReports(raw_ostream &OS) { std::vector<FileCoverageSummary>
CoverageReport::prepareFileReports(FileCoverageSummary &Totals,
ArrayRef<StringRef> Files) const {
std::vector<FileCoverageSummary> FileReports;
unsigned LCP = 0;
if (Files.size() > 1)
LCP = getLongestCommonPrefixLen(Files);
for (StringRef Filename : Files) {
FileCoverageSummary Summary(Filename.drop_front(LCP));
for (const auto &F : Coverage.getCoveredFunctions(Filename)) {
FunctionCoverageSummary Function = FunctionCoverageSummary::get(F);
Summary.addFunction(Function);
Totals.addFunction(Function);
}
FileReports.push_back(Summary);
}
return FileReports;
}
void CoverageReport::renderFileReports(raw_ostream &OS) const {
std::vector<StringRef> UniqueSourceFiles = Coverage.getUniqueSourceFiles();
renderFileReports(OS, UniqueSourceFiles);
}
void CoverageReport::renderFileReports(raw_ostream &OS,
ArrayRef<StringRef> Files) const {
adjustColumnWidths(Coverage); adjustColumnWidths(Coverage);
OS << column("Filename", FileReportColumns[0]) OS << column("Filename", FileReportColumns[0])
<< column("Regions", FileReportColumns[1], Column::RightAlignment) << column("Regions", FileReportColumns[1], Column::RightAlignment)
@ -249,21 +277,11 @@ void CoverageReport::renderFileReports(raw_ostream &OS) {
renderDivider(FileReportColumns, OS); renderDivider(FileReportColumns, OS);
OS << "\n"; OS << "\n";
std::vector<StringRef> UniqueSourceFiles = Coverage.getUniqueSourceFiles();
unsigned LCP = 0;
if (UniqueSourceFiles.size() > 1)
LCP = getLongestCommonPrefixLen(UniqueSourceFiles);
FileCoverageSummary Totals("TOTAL"); FileCoverageSummary Totals("TOTAL");
for (StringRef Filename : UniqueSourceFiles) { auto FileReports = prepareFileReports(Totals, Files);
FileCoverageSummary Summary(Filename.drop_front(LCP)); for (const FileCoverageSummary &FCS : FileReports)
for (const auto &F : Coverage.getCoveredFunctions(Filename)) { render(FCS, OS);
FunctionCoverageSummary Function = FunctionCoverageSummary::get(F);
Summary.addFunction(Function);
Totals.addFunction(Function);
}
render(Summary, OS);
}
renderDivider(FileReportColumns, OS); renderDivider(FileReportColumns, OS);
OS << "\n"; OS << "\n";
render(Totals, OS); render(Totals, OS);

15
tools/llvm-cov/CoverageReport.h
View File

@ -24,8 +24,8 @@ class CoverageReport {
const CoverageViewOptions &Options; const CoverageViewOptions &Options;
const coverage::CoverageMapping &Coverage; const coverage::CoverageMapping &Coverage;
void render(const FileCoverageSummary &File, raw_ostream &OS); void render(const FileCoverageSummary &File, raw_ostream &OS) const;
void render(const FunctionCoverageSummary &Function, raw_ostream &OS); void render(const FunctionCoverageSummary &Function, raw_ostream &OS) const;
public: public:
CoverageReport(const CoverageViewOptions &Options, CoverageReport(const CoverageViewOptions &Options,
@ -34,7 +34,16 @@ public:
void renderFunctionReports(ArrayRef<StringRef> Files, raw_ostream &OS); void renderFunctionReports(ArrayRef<StringRef> Files, raw_ostream &OS);
void renderFileReports(raw_ostream &OS); /// Prepare file reports for the files specified in \p Files.
std::vector<FileCoverageSummary>
prepareFileReports(FileCoverageSummary &Totals,
ArrayRef<StringRef> Files) const;
/// Render file reports for every unique file in the coverage mapping.
void renderFileReports(raw_ostream &OS) const;
/// Render file reports for the files specified in \p Files.
void renderFileReports(raw_ostream &OS, ArrayRef<StringRef> Files) const;
}; };
} // end namespace llvm } // end namespace llvm