CMake/Source/CTest/cmParseGTMCoverage.cxx

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#include "cmParseGTMCoverage.h"
#include "cmSystemTools.h"
#include <cmsys/Directory.hxx>
#include <cmsys/FStream.hxx>
#include <cmsys/Glob.hxx>
#include <stdio.h>
#include <stdlib.h>
cmParseGTMCoverage::cmParseGTMCoverage(cmCTestCoverageHandlerContainer& cont,
cmCTest* ctest)
:cmParseMumpsCoverage(cont, ctest)
{
}
bool cmParseGTMCoverage::LoadCoverageData(const char* 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 = d;
path += "/";
path += file;
if(cmSystemTools::GetFilenameLastExtension(path) == ".mcov")
{
if(!this->ReadMCovFile(path.c_str()))
{
return false;
}
}
}
}
return true;
}
bool cmParseGTMCoverage::ReadMCovFile(const char* file)
{
cmsys::ifstream in(file);
if(!in)
{
return false;
}
std::string line;
std::string lastfunction;
std::string lastroutine;
std::string lastpath;
int lastoffset = 0;
while( cmSystemTools::GetLineFromStream(in, line))
{
// only look at lines that have coverage data
if(line.find("^ZZCOVERAGE") == line.npos)
{
continue;
}
std::string filepath;
std::string function;
std::string routine;
int linenumber = 0;
int count = 0;
this->ParseMCOVLine(line, routine, function, linenumber, count);
// skip this one
if(routine == "RSEL")
{
continue;
}
// no need to search the file if we just did it
if(function == lastfunction && lastroutine == routine)
{
if(!lastpath.empty())
{
this->Coverage.TotalCoverage[lastpath][lastoffset + linenumber]
+= count;
}
else
{
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Can not find mumps file : "
<< lastroutine <<
" referenced in this line of mcov data:\n"
"[" << line << "]\n");
}
continue;
}
// Find the full path to the file
bool found = this->FindMumpsFile(routine, filepath);
if(found)
{
int lineoffset = 0;
if(this->FindFunctionInMumpsFile(filepath,
function,
lineoffset))
{
cmCTestCoverageHandlerContainer::SingleFileCoverageVector&
coverageVector = this->Coverage.TotalCoverage[filepath];
// This section 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 addtion to the count found.
if(coverageVector[lineoffset + linenumber] == -1 &&
count > 0)
{
coverageVector[lineoffset + linenumber] += count+1;
}
else
{
coverageVector[lineoffset + linenumber] += count;
}
lastoffset = lineoffset;
}
}
else
{
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Can not find mumps file : "
<< routine << " referenced in this line of mcov data:\n"
"[" << line << "]\n");
}
lastfunction = function;
lastroutine = routine;
lastpath = filepath;
}
return true;
}
bool cmParseGTMCoverage::FindFunctionInMumpsFile(std::string const& filepath,
std::string const& function,
int& lineoffset)
{
cmsys::ifstream in(filepath.c_str());
if(!in)
{
return false;
}
std::string line;
int linenum = 0;
while( cmSystemTools::GetLineFromStream(in, line))
{
std::string::size_type pos = line.find(function.c_str());
if(pos == 0)
{
char nextchar = line[function.size()];
if(nextchar == ' ' || nextchar == '('|| nextchar == '\t')
{
lineoffset = linenum;
return true;
}
}
if(pos == 1)
{
char prevchar = line[0];
char nextchar = line[function.size()+1];
if(prevchar == '%' && (nextchar == ' ' || nextchar == '('))
{
lineoffset = linenum;
return true;
}
}
linenum++; // move to next line count
}
lineoffset = 0;
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Could not find entry point : "
<< function << " in " << filepath << "\n");
return false;
}
bool cmParseGTMCoverage::ParseMCOVLine(std::string const& line,
std::string& routine,
std::string& function,
int& linenumber,
int& count)
{
// this method parses lines from the .mcov file
// each line has ^COVERAGE(...) in it, and there
// are several varients of coverage lines:
//
// ^COVERAGE("DIC11","PR1",0)="2:0:0:0"
// ( file , entry, line ) = "number_executed:timing_info"
// ^COVERAGE("%RSEL","SRC")="1:0:0:0"
// ( file , entry ) = "number_executed:timing_info"
// ^COVERAGE("%RSEL","init",8,"FOR_LOOP",1)=1
// ( file , entry, line, IGNORE ) =number_executed
std::vector<std::string> args;
std::string::size_type pos = line.find('(', 0);
// if no ( is found, then return line has no coverage
if(pos == std::string::npos)
{
return false;
}
std::string arg;
bool done = false;
// separate out all of the comma separated arguments found
// in the COVERAGE(...) line
while(line[pos] && !done)
{
// save the char we are looking at
char cur = line[pos];
// , or ) means end of argument
if(cur == ',' || cur == ')')
{
// save the argument into the argument vector
args.push_back(arg);
// start on a new argument
arg = "";
// if we are at the end of the ), then finish while loop
if(cur == ')')
{
done = true;
}
}
else
{
// all chars except ", (, and % get stored in the arg string
if(cur != '\"' && cur != '(' && cur != '%')
{
arg.append(1, line[pos]);
}
}
// move to next char
pos++;
}
// now parse the right hand side of the =
pos = line.find('=');
// no = found, this is an error
if(pos == line.npos)
{
return false;
}
pos++; // move past =
// if the next positing is not a ", then this is a
// COVERAGE(..)=count line and turn the rest of the string
// past the = into an integer and set it to count
if(line[pos] != '\"')
{
count = atoi(line.substr(pos).c_str());
}
else
{
// this means line[pos] is a ", and we have a
// COVERAGE(...)="1:0:0:0" type of line
pos++; // move past "
// find the first : past the "
std::string::size_type pos2 = line.find(':', pos);
// turn the string between the " and the first : into an integer
// and set it to count
count = atoi(line.substr(pos, pos2-pos).c_str());
}
// less then two arguments is an error
if(args.size() < 2)
{
cmCTestLog(this->CTest, ERROR_MESSAGE,
"Error parsing mcov line: [" << line << "]\n");
return false;
}
routine = args[0]; // the routine is the first argument
function = args[1]; // the function in the routine is the second
// in the two argument only format
// ^COVERAGE("%RSEL","SRC"), the line offset is 0
if(args.size() == 2)
{
// To avoid double counting of line 0 of each entry point,
// Don't count the lines that do not give an explicit line
// number.
routine="";
function="";
}
else
{
// this is the format for this line
// ^COVERAGE("%RSEL","SRC",count)
linenumber = atoi(args[2].c_str());
}
return true;
}