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#include "cmParseCacheCoverage.h"
#include <cstdio>
#include <cstdlib>
#include <map>
#include <utility>
#include <vector>
#include "cmsys/Directory.hxx"
#include "cmsys/FStream.hxx"
#include "cmCTest.h"
#include "cmCTestCoverageHandler.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
cmParseCacheCoverage::cmParseCacheCoverage(
cmCTestCoverageHandlerContainer& cont, cmCTest* ctest)
: cmParseMumpsCoverage(cont, ctest)
{
}
bool cmParseCacheCoverage::LoadCoverageData(std::string const& d)
{
// load all the .mcov files in the specified directory
cmsys::Directory dir;
if (!dir.Load(d)) {
return false;
}
size_t numf;
unsigned int i;
numf = dir.GetNumberOfFiles();
for (i = 0; i < numf; i++) {
std::string file = dir.GetFile(i);
if (file != "." && file != ".." && !cmSystemTools::FileIsDirectory(file)) {
std::string path = cmStrCat(d, '/', file);
if (cmSystemTools::GetFilenameLastExtension(path) == ".cmcov") {
if (!this->ReadCMCovFile(path.c_str())) {
return false;
}
}
}
}
return true;
}
// not currently used, but leave it in case we want it in the future
void cmParseCacheCoverage::RemoveUnCoveredFiles()
{
// loop over the coverage data computed and remove all files
// that only have -1 or 0 for the lines.
auto ci = this->Coverage.TotalCoverage.begin();
while (ci != this->Coverage.TotalCoverage.end()) {
cmCTestCoverageHandlerContainer::SingleFileCoverageVector& v = ci->second;
bool nothing = true;
for (int i : v) {
if (i > 0) {
nothing = false;
break;
}
}
if (nothing) {
cmCTestOptionalLog(this->CTest, HANDLER_VERBOSE_OUTPUT,
"No coverage found in: " << ci->first << std::endl,
this->Coverage.Quiet);
this->Coverage.TotalCoverage.erase(ci++);
} else {
++ci;
}
}
}
bool cmParseCacheCoverage::ReadCMCovFile(char const* file)
{
cmsys::ifstream in(file);
if (!in) {
cmCTestLog(this->CTest, ERROR_MESSAGE, "Can not open : " << file << "\n");
return false;
}
std::string line;
if (!cmSystemTools::GetLineFromStream(in, line)) {
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Empty file : " << file
<< " referenced in this line of cmcov data:\n"
"["
<< line << "]\n");
return false;
}
std::vector<std::string> separateLine =
cmSystemTools::SplitString(line, ',');
if (separateLine.size() != 4 || separateLine[0] != "Routine" ||
separateLine[1] != "Line" || separateLine[2] != "RtnLine" ||
separateLine[3] != "Code") {
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Bad first line of cmcov file : " << file
<< " line:\n"
"["
<< line << "]\n");
}
std::string routine;
std::string filepath;
while (cmSystemTools::GetLineFromStream(in, line)) {
// parse the comma separated line
separateLine = cmSystemTools::SplitString(line, ',');
// might have more because code could have a quoted , in it
// but we only care about the first 3 args anyway
if (separateLine.size() < 4) {
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Bad line of cmcov file expected at least 4 found: "
<< separateLine.size() << " " << file
<< " line:\n"
"["
<< line << "]\n");
for (std::string::size_type i = 0; i < separateLine.size(); ++i) {
cmCTestLog(this->CTest, ERROR_MESSAGE, "" << separateLine[1] << " ");
}
cmCTestLog(this->CTest, ERROR_MESSAGE, "\n");
return false;
}
// if we do not have a routine yet, then it should be
// the first argument in the vector
if (routine.empty()) {
routine = separateLine[0];
// Find the full path to the file
if (!this->FindMumpsFile(routine, filepath)) {
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Could not find mumps file for routine: " << routine
<< "\n");
filepath.clear();
continue; // move to next line
}
}
// if we have a routine name, check for end of routine
else {
// Totals in arg 0 marks the end of a routine
if (cmHasLiteralPrefix(separateLine[0], "Totals")) {
routine.clear(); // at the end of this routine
filepath.clear();
continue; // move to next line
}
}
// if the file path was not found for the routine
// move to next line. We should have already warned
// after the call to FindMumpsFile that we did not find
// it, so don't report again to cut down on output
if (filepath.empty()) {
continue;
}
// now we are ready to set the coverage from the line of data
cmCTestCoverageHandlerContainer::SingleFileCoverageVector& coverageVector =
this->Coverage.TotalCoverage[filepath];
std::string::size_type linenumber = atoi(separateLine[1].c_str()) - 1;
int count = atoi(separateLine[2].c_str());
if (linenumber > coverageVector.size()) {
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Parse error line is greater than number of lines in file: "
<< linenumber << " " << filepath << "\n");
continue; // skip setting count to avoid crash
}
// now add to count for linenumber
// for some reason the cache coverage adds extra lines to the
// end of the file in some cases. Since they do not exist, we will
// mark them as non executable
while (linenumber >= coverageVector.size()) {
coverageVector.push_back(-1);
}
// Accounts for lines that were previously marked
// as non-executable code (-1). if the parser comes back with
// a non-zero count, increase the count by 1 to push the line
// into the executable code set in addition to the count found.
if (coverageVector[linenumber] == -1 && count > 0) {
coverageVector[linenumber] += count + 1;
} else {
coverageVector[linenumber] += count;
}
}
return true;
}
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