/// GCOVOptions - A struct for passing gcov options between functions.
struct GCOVOptions {
- GCOVOptions(bool A, bool B, bool C, bool F, bool P, bool U, bool L)
+ GCOVOptions(bool A, bool B, bool C, bool F, bool P, bool U, bool L, bool N)
: AllBlocks(A), BranchInfo(B), BranchCount(C), FuncCoverage(F),
- PreservePaths(P), UncondBranch(U), LongFileNames(L) {}
+ PreservePaths(P), UncondBranch(U), LongFileNames(L), NoOutput(N) {}
bool AllBlocks;
bool BranchInfo;
bool PreservePaths;
bool UncondBranch;
bool LongFileNames;
+ bool NoOutput;
};
/// GCOVBuffer - A wrapper around MemoryBuffer to provide GCOV specific
void print(StringRef MainFilename, StringRef GCNOFile, StringRef GCDAFile);
private:
- void printFunctionSummary(raw_fd_ostream &OS,
+ std::string getCoveragePath(StringRef Filename, StringRef MainFilename);
+ std::unique_ptr<raw_ostream> openCoveragePath(StringRef CoveragePath);
+ void printFunctionSummary(raw_ostream &OS,
const FunctionVector &Funcs) const;
- void printBlockInfo(raw_fd_ostream &OS, const GCOVBlock &Block,
+ void printBlockInfo(raw_ostream &OS, const GCOVBlock &Block,
uint32_t LineIndex, uint32_t &BlockNo) const;
- void printBranchInfo(raw_fd_ostream &OS, const GCOVBlock &Block,
+ void printBranchInfo(raw_ostream &OS, const GCOVBlock &Block,
GCOVCoverage &Coverage, uint32_t &EdgeNo);
- void printUncondBranchInfo(raw_fd_ostream &OS, uint32_t &EdgeNo,
+ void printUncondBranchInfo(raw_ostream &OS, uint32_t &EdgeNo,
uint64_t Count) const;
void printCoverage(const GCOVCoverage &Coverage) const;
return Result.str();
}
+std::string FileInfo::getCoveragePath(StringRef Filename,
+ StringRef MainFilename) {
+ if (Options.NoOutput)
+ // This is probably a bug in gcov, but when -n is specified, paths aren't
+ // mangled at all, and the -l and -p options are ignored. Here, we do the
+ // same.
+ return Filename;
+
+ std::string CoveragePath;
+ if (Options.LongFileNames && !Filename.equals(MainFilename))
+ CoveragePath =
+ mangleCoveragePath(MainFilename, Options.PreservePaths) + "##";
+ CoveragePath +=
+ mangleCoveragePath(Filename, Options.PreservePaths) + ".gcov";
+ return CoveragePath;
+}
+
+std::unique_ptr<raw_ostream>
+FileInfo::openCoveragePath(StringRef CoveragePath) {
+ if (Options.NoOutput)
+ return make_unique<raw_null_ostream>();
+
+ std::string ErrorInfo;
+ auto OS = make_unique<raw_fd_ostream>(CoveragePath.str().c_str(), ErrorInfo,
+ sys::fs::F_Text);
+ if (!ErrorInfo.empty()) {
+ errs() << ErrorInfo << "\n";
+ return make_unique<raw_null_ostream>();
+ }
+ return std::move(OS);
+}
+
/// print - Print source files with collected line count information.
void FileInfo::print(StringRef MainFilename, StringRef GCNOFile,
StringRef GCDAFile) {
}
StringRef AllLines = Buff->getBuffer();
- std::string CoveragePath;
- if (Options.LongFileNames && !Filename.equals(MainFilename))
- CoveragePath =
- mangleCoveragePath(MainFilename, Options.PreservePaths) + "##";
- CoveragePath +=
- mangleCoveragePath(Filename, Options.PreservePaths) + ".gcov";
- std::string ErrorInfo;
- raw_fd_ostream OS(CoveragePath.c_str(), ErrorInfo, sys::fs::F_Text);
- if (!ErrorInfo.empty())
- errs() << ErrorInfo << "\n";
+ std::string CoveragePath = getCoveragePath(Filename, MainFilename);
+ std::unique_ptr<raw_ostream> S = openCoveragePath(CoveragePath);
+ raw_ostream &OS = *S;
OS << " -: 0:Source:" << Filename << "\n";
OS << " -: 0:Graph:" << GCNOFile << "\n";
if (Options.FuncCoverage)
printFuncCoverage();
printFileCoverage();
+ return;
}
/// printFunctionSummary - Print function and block summary.
-void FileInfo::printFunctionSummary(raw_fd_ostream &OS,
+void FileInfo::printFunctionSummary(raw_ostream &OS,
const FunctionVector &Funcs) const {
for (FunctionVector::const_iterator I = Funcs.begin(), E = Funcs.end();
I != E; ++I) {
}
/// printBlockInfo - Output counts for each block.
-void FileInfo::printBlockInfo(raw_fd_ostream &OS, const GCOVBlock &Block,
+void FileInfo::printBlockInfo(raw_ostream &OS, const GCOVBlock &Block,
uint32_t LineIndex, uint32_t &BlockNo) const {
if (Block.getCount() == 0)
OS << " $$$$$:";
}
/// printBranchInfo - Print conditional branch probabilities.
-void FileInfo::printBranchInfo(raw_fd_ostream &OS, const GCOVBlock &Block,
+void FileInfo::printBranchInfo(raw_ostream &OS, const GCOVBlock &Block,
GCOVCoverage &Coverage, uint32_t &EdgeNo) {
SmallVector<uint64_t, 16> BranchCounts;
uint64_t TotalCounts = 0;
}
/// printUncondBranchInfo - Print unconditional branch probabilities.
-void FileInfo::printUncondBranchInfo(raw_fd_ostream &OS, uint32_t &EdgeNo,
+void FileInfo::printUncondBranchInfo(raw_ostream &OS, uint32_t &EdgeNo,
uint64_t Count) const {
OS << format("unconditional %2u ", EdgeNo++)
<< formatBranchInfo(Options, Count, Count) << "\n";
const GCOVCoverage &Coverage = I->second;
outs() << "File '" << Coverage.Name << "'\n";
printCoverage(Coverage);
- outs() << Coverage.Name << ":creating '" << Filename << "'\n\n";
+ if (!Options.NoOutput)
+ outs() << Coverage.Name << ":creating '" << Filename << "'\n";
+ outs() << "\n";
}
}
cl::desc("Show coverage for each function"));
static cl::alias FuncSummaryA("function-summaries", cl::aliasopt(FuncSummary));
+static cl::opt<bool> NoOutput("n", cl::Grouping, cl::init(false),
+ cl::desc("Do not output any .gcov files"));
+static cl::alias NoOutputA("no-output", cl::aliasopt(NoOutput));
+
static cl::opt<std::string>
ObjectDir("o", cl::value_desc("DIR|FILE"), cl::init(""),
cl::desc("Find objects in DIR or based on FILE's path"));
GF.dump();
GCOVOptions Options(AllBlocks, BranchProb, BranchCount, FuncSummary,
- PreservePaths, UncondBranch, LongNames);
+ PreservePaths, UncondBranch, LongNames, NoOutput);
FileInfo FI(Options);
GF.collectLineCounts(FI);
FI.print(SourceFile, InputGCNO, InputGCDA);