#include "llvm/Support/Format.h"
#include "llvm/Support/MemoryObject.h"
#include "llvm/Support/Path.h"
-#include "llvm/Support/system_error.h"
#include <algorithm>
+#include <system_error>
using namespace llvm;
//===----------------------------------------------------------------------===//
return OS;
}
+namespace {
+class LineConsumer {
+ std::unique_ptr<MemoryBuffer> Buffer;
+ StringRef Remaining;
+public:
+ LineConsumer(StringRef Filename) {
+ ErrorOr<std::unique_ptr<MemoryBuffer>> BufferOrErr =
+ MemoryBuffer::getFileOrSTDIN(Filename);
+ if (std::error_code EC = BufferOrErr.getError()) {
+ errs() << Filename << ": " << EC.message() << "\n";
+ Remaining = "";
+ } else {
+ Buffer = std::move(BufferOrErr.get());
+ Remaining = Buffer->getBuffer();
+ }
+ }
+ bool empty() { return Remaining.empty(); }
+ void printNext(raw_ostream &OS, uint32_t LineNum) {
+ StringRef Line;
+ if (empty())
+ Line = "/*EOF*/";
+ else
+ std::tie(Line, Remaining) = Remaining.split("\n");
+ OS << format("%5u:", LineNum) << Line << "\n";
+ }
+};
+}
+
/// Convert a path to a gcov filename. If PreservePaths is true, this
/// translates "/" to "#", ".." to "^", and drops ".", to match gcov.
static std::string mangleCoveragePath(StringRef Filename, bool PreservePaths) {
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 llvm::make_unique<raw_null_ostream>();
+
+ std::string ErrorInfo;
+ auto OS = llvm::make_unique<raw_fd_ostream>(CoveragePath.str().c_str(),
+ ErrorInfo, sys::fs::F_Text);
+ if (!ErrorInfo.empty()) {
+ errs() << ErrorInfo << "\n";
+ return llvm::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) {
for (StringMap<LineData>::const_iterator I = LineInfo.begin(),
E = LineInfo.end(); I != E; ++I) {
StringRef Filename = I->first();
- std::unique_ptr<MemoryBuffer> Buff;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) {
- errs() << Filename << ": " << ec.message() << "\n";
- return;
- }
- 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";
+ auto AllLines = LineConsumer(Filename);
+
+ 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";
const LineData &Line = I->second;
GCOVCoverage FileCoverage(Filename);
- for (uint32_t LineIndex = 0; !AllLines.empty(); ++LineIndex) {
+ for (uint32_t LineIndex = 0;
+ LineIndex < Line.LastLine || !AllLines.empty(); ++LineIndex) {
if (Options.BranchInfo) {
FunctionLines::const_iterator FuncsIt = Line.Functions.find(LineIndex);
if (FuncsIt != Line.Functions.end())
if (BlocksIt == Line.Blocks.end()) {
// No basic blocks are on this line. Not an executable line of code.
OS << " -:";
- std::pair<StringRef, StringRef> P = AllLines.split('\n');
- OS << format("%5u:", LineIndex+1) << P.first << "\n";
- AllLines = P.second;
+ AllLines.printNext(OS, LineIndex + 1);
} else {
const BlockVector &Blocks = BlocksIt->second;
}
++FileCoverage.LogicalLines;
- std::pair<StringRef, StringRef> P = AllLines.split('\n');
- OS << format("%5u:", LineIndex+1) << P.first << "\n";
- AllLines = P.second;
+ AllLines.printNext(OS, LineIndex + 1);
uint32_t BlockNo = 0;
uint32_t EdgeNo = 0;
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";
}
}
projects / oota-llvm.git / blobdiff