CMake/Source/cmakexbuild.cxx

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#include <cmsys/Process.h>
#include "cmStandardIncludes.h"
int WaitForLine(cmsysProcess* process, std::string& line,
double timeout,
std::vector<char>& out,
std::vector<char>& err)
{
line = "";
std::vector<char>::iterator outiter = out.begin();
std::vector<char>::iterator erriter = err.begin();
while(1)
{
// Check for a newline in stdout.
for(;outiter != out.end(); ++outiter)
{
if((*outiter == '\r') && ((outiter+1) == out.end()))
{
break;
}
else if(*outiter == '\n' || *outiter == '\0')
{
int length = outiter-out.begin();
if(length > 1 && *(outiter-1) == '\r')
{
--length;
}
if(length > 0)
{
line.append(&out[0], length);
}
out.erase(out.begin(), outiter+1);
return cmsysProcess_Pipe_STDOUT;
}
}
// Check for a newline in stderr.
for(;erriter != err.end(); ++erriter)
{
if((*erriter == '\r') && ((erriter+1) == err.end()))
{
break;
}
else if(*erriter == '\n' || *erriter == '\0')
{
int length = erriter-err.begin();
if(length > 1 && *(erriter-1) == '\r')
{
--length;
}
if(length > 0)
{
line.append(&err[0], length);
}
err.erase(err.begin(), erriter+1);
return cmsysProcess_Pipe_STDERR;
}
}
// No newlines found. Wait for more data from the process.
int length;
char* data;
int pipe = cmsysProcess_WaitForData(process, &data, &length, &timeout);
if(pipe == cmsysProcess_Pipe_Timeout)
{
// Timeout has been exceeded.
return pipe;
}
else if(pipe == cmsysProcess_Pipe_STDOUT)
{
// Append to the stdout buffer.
std::vector<char>::size_type size = out.size();
out.insert(out.end(), data, data+length);
outiter = out.begin()+size;
}
else if(pipe == cmsysProcess_Pipe_STDERR)
{
// Append to the stderr buffer.
std::vector<char>::size_type size = err.size();
err.insert(err.end(), data, data+length);
erriter = err.begin()+size;
}
else if(pipe == cmsysProcess_Pipe_None)
{
// Both stdout and stderr pipes have broken. Return leftover data.
if(!out.empty())
{
line.append(&out[0], outiter-out.begin());
out.erase(out.begin(), out.end());
return cmsysProcess_Pipe_STDOUT;
}
else if(!err.empty())
{
line.append(&err[0], erriter-err.begin());
err.erase(err.begin(), err.end());
return cmsysProcess_Pipe_STDERR;
}
else
{
return cmsysProcess_Pipe_None;
}
}
}
}
int RunXCode(std::vector<const char*>& argv, bool& hitbug)
{
hitbug = false;
cmsysProcess* cp = cmsysProcess_New();
cmsysProcess_SetCommand(cp, &*argv.begin());
cmsysProcess_SetTimeout(cp, 0);
cmsysProcess_Execute(cp);
std::vector<char> out;
std::vector<char> err;
std::string line;
int pipe =WaitForLine(cp, line, 0, out, err);
while(pipe != cmsysProcess_Pipe_None)
{
if(line.find("/bin/sh: bad interpreter: Text file busy")
!= line.npos)
{
hitbug = true;
std::cerr << "Found xcodebuild bug: " << line << "\n";
}
// if the bug is hit, no more output should be generated
// because it may contain bogus errors
if(!hitbug)
{
if(pipe == cmsysProcess_Pipe_STDERR)
{
std::cerr << line;
}
else if(pipe == cmsysProcess_Pipe_STDOUT)
{
std::cout << line;
}
pipe =WaitForLine(cp, line, 0, out, err);
}
}
cmsysProcess_WaitForExit(cp, 0);
if(cmsysProcess_GetState(cp) == cmsysProcess_State_Exited)
{
return cmsysProcess_GetExitValue(cp);
}
if(cmsysProcess_GetState(cp) == cmsysProcess_State_Error)
{
std::cerr << "error\n";
return -1;
}
return -1;
}
int main(int ac, char*av[])
{
std::vector<const char*> argv;
argv.push_back("xcodebuild");
for(int i =1; i < ac; i++)
{
argv.push_back(av[i]);
}
argv.push_back(0);
bool hitbug = true;
int ret;
while(hitbug)
{
ret = RunXCode(argv, hitbug);
}
std::cerr << "ret " << ret << "\n";
if(ret < 0)
{
return 255;
}
return ret;
}