cppcheck/tools/dmake.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Generate Makefile for cppcheck
#include <algorithm>
#include <fstream>
#include <iostream>
#include <string>
#include <vector>
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#if defined(_WIN32)
#include "../lib/fileLister_win32.h"
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#else // POSIX-style system
#include "../lib/filelister_unix.h"
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#endif
std::string objfile(std::string cppfile)
{
cppfile.erase(cppfile.rfind("."));
return cppfile + ".o";
}
void getDeps(const std::string &filename, std::vector<std::string> &depfiles)
{
// Is the dependency already included?
if (std::find(depfiles.begin(), depfiles.end(), filename) != depfiles.end())
return;
std::ifstream f(filename.c_str());
if (! f.is_open())
{
if (filename.compare(0, 4, "cli/") == 0 || filename.compare(0, 5, "test/") == 0)
getDeps("lib" + filename.substr(filename.find("/")), depfiles);
return;
}
if (filename.find(".c") == std::string::npos)
depfiles.push_back(filename);
std::string path(filename);
if (path.find("/") != std::string::npos)
path.erase(1 + path.rfind("/"));
std::string line;
while (std::getline(f, line))
{
std::string::size_type pos1 = line.find("#include \"");
if (pos1 == std::string::npos)
continue;
pos1 += 10;
std::string::size_type pos2 = line.find("\"", pos1);
std::string hfile(path + line.substr(pos1, pos2 - pos1));
if (hfile.find("/../") != std::string::npos) // TODO: Ugly fix
hfile.erase(0, 4 + hfile.find("/../"));
getDeps(hfile, depfiles);
}
}
static void compilefiles(std::ostream &fout, const std::vector<std::string> &files, const std::string &args)
{
for (unsigned int i = 0; i < files.size(); ++i)
{
fout << objfile(files[i]) << ": " << files[i];
std::vector<std::string> depfiles;
getDeps(files[i], depfiles);
for (unsigned int dep = 0; dep < depfiles.size(); ++dep)
fout << " " << depfiles[dep];
fout << "\n\t$(CXX) $(CXXFLAGS) " << args << " -c -o " << objfile(files[i]) << " " << files[i] << "\n\n";
}
}
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static void getCppFiles(std::vector<std::string> &files, const std::string &path)
{
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getFileLister()->recursiveAddFiles(files, path, true);
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// only get *.cpp files..
for (std::vector<std::string>::iterator it = files.begin(); it != files.end();)
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{
if (it->find(".cpp") == std::string::npos)
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it = files.erase(it);
else
++it;
}
}
static void makeConditionalVariable(std::ostream &os, const std::string &variable, const std::string &value)
{
os << "ifndef " << variable << '\n'
<< " " << variable << '=' << value << '\n'
<< "endif\n"
<< "\n";
}
int main(int argc, char **argv)
{
const bool release(argc >= 2 && std::string(argv[1]) == "--release");
// Get files..
std::vector<std::string> libfiles;
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getCppFiles(libfiles, "lib/");
std::vector<std::string> clifiles;
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getCppFiles(clifiles, "cli/");
std::vector<std::string> testfiles;
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getCppFiles(testfiles, "test/");
if (libfiles.empty() && clifiles.empty() && testfiles.empty())
{
std::cerr << "No files found. Are you in the correct directory?" << std::endl;
return EXIT_FAILURE;
}
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// QMAKE - lib/lib.pri
{
std::ofstream fout1("lib/lib.pri");
if (fout1.is_open())
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{
fout1 << "# no manual edits - this file is autogenerated by dmake\n\n";
fout1 << "HEADERS += $$PWD/check.h \\\n";
for (unsigned int i = 0; i < libfiles.size(); ++i)
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{
std::string fname(libfiles[i].substr(4));
if (fname.find(".cpp") == std::string::npos)
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continue; // shouldn't happen
fname.erase(fname.find(".cpp"));
fout1 << std::string(11, ' ') << "$$PWD/" << fname << ".h";
if (i < libfiles.size() - 1)
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fout1 << " \\\n";
}
fout1 << "\n\nSOURCES += ";
for (unsigned int i = 0; i < libfiles.size(); ++i)
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{
fout1 << "$$PWD/" << libfiles[i].substr(4);
if (i < libfiles.size() - 1)
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fout1 << " \\\n" << std::string(11, ' ');
}
fout1 << "\n";
}
}
static const char makefile[] = "Makefile";
std::ofstream fout(makefile, std::ios_base::trunc);
if (!fout.is_open())
{
std::cerr << "An error occurred while trying to open "
<< makefile
<< ".\n";
return EXIT_FAILURE;
}
// Makefile settings..
if (release)
{
makeConditionalVariable(fout, "CXXFLAGS", "-O2 -DNDEBUG -Wall");
}
else
{
fout << "# This file is generated by tools/dmake, do not edit.\n\n";
// TODO: add more compiler warnings.
// -Wconversion : generates too many compiler warnings currently
// -Wlogical-op : doesn't work on older GCC
// The _GLIBCXX_DEBUG doesn't work in cygwin
makeConditionalVariable(fout, "CXXFLAGS",
"-Wall "
"-Wextra "
"-Wshadow "
"-pedantic "
"-Wno-long-long "
"-Wfloat-equal "
"-Wcast-qual "
"-Wsign-conversion "
// "-Wconversion "
"-g");
}
makeConditionalVariable(fout, "CXX", "g++");
makeConditionalVariable(fout, "PREFIX", "/usr");
fout << "BIN=$(DESTDIR)$(PREFIX)/bin\n\n";
fout << "# For 'make man': sudo apt-get install xsltproc docbook-xsl docbook-xml on Linux\n";
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fout << "DB2MAN=/usr/share/sgml/docbook/stylesheet/xsl/nwalsh/manpages/docbook.xsl\n";
fout << "XP=xsltproc -''-nonet -''-param man.charmap.use.subset \"0\"\n";
fout << "MAN_SOURCE=man/cppcheck.1.xml\n\n";
fout << "\n###### Object Files\n\n";
fout << "LIBOBJ = " << objfile(libfiles[0]);
for (unsigned int i = 1; i < libfiles.size(); ++i)
fout << " \\" << std::endl << std::string(14, ' ') << objfile(libfiles[i]);
fout << "\n\n";
fout << "CLIOBJ = " << objfile(clifiles[0]);
for (unsigned int i = 1; i < clifiles.size(); ++i)
fout << " \\" << std::endl << std::string(14, ' ') << objfile(clifiles[i]);
fout << "\n\n";
fout << "TESTOBJ = " << objfile(testfiles[0]);
for (unsigned int i = 1; i < testfiles.size(); ++i)
fout << " \\" << std::endl << std::string(14, ' ') << objfile(testfiles[i]);
fout << "\n\n";
fout << "\n###### Targets\n\n";
fout << "cppcheck:\t$(LIBOBJ)\t$(CLIOBJ)\n";
fout << "\t$(CXX) $(CXXFLAGS) -o cppcheck $(CLIOBJ) $(LIBOBJ) $(LDFLAGS)\n\n";
fout << "all:\tcppcheck\ttestrunner\n\n";
fout << "testrunner:\t$(TESTOBJ)\t$(LIBOBJ)\tcli/threadexecutor.o\tcli/cmdlineparser.o\n";
fout << "\t$(CXX) $(CXXFLAGS) -o testrunner $(TESTOBJ) $(LIBOBJ) cli/threadexecutor.o cli/cmdlineparser.o $(LDFLAGS)\n\n";
fout << "test:\tall\n";
fout << "\t./testrunner\n\n";
fout << "dmake:\ttools/dmake.cpp\n";
fout << "\t$(CXX) -o dmake tools/dmake.cpp lib/filelister*.cpp\n\n";
fout << "clean:\n";
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#ifdef _WIN32
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fout << "\tdel lib\*.o\n\tdel cli\*.o\n\tdel test\*.o\n\tdel *.exe\n";
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#else
fout << "\trm -f lib/*.o cli/*.o test/*.o testrunner cppcheck cppcheck.1\n\n";
fout << "man:\tman/cppcheck.1\n\n";
fout << "man/cppcheck.1:\t$(MAN_SOURCE)\n\n";
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fout << "\t$(XP) $(DB2MAN) $(MAN_SOURCE)\n\n";
fout << "install:\tcppcheck\n";
fout << "\tinstall -d ${BIN}\n";
fout << "\tinstall cppcheck ${BIN}\n\n";
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#endif
fout << "\n###### Build\n\n";
compilefiles(fout, libfiles, "-Ilib");
compilefiles(fout, clifiles, "-Ilib");
compilefiles(fout, testfiles, "-Ilib -Icli");
return 0;
}