tools: dmake added a tool for maintaining the Makefile

tools/Makefile

@@ -0,0 +1,9 @@
+
+all:	errmsg	dmake
+
+errmsg:	errmsg.cpp
+	g++ -Wall -pedantic -o errmsg errmsg.cpp
+
+dmake:	dmake.cpp
+	g++ -Wall -pedantic -o dmake dmake.cpp ../src/filelister.cpp
+

tools/dmake.cpp

@@ -0,0 +1,108 @@
+
+// Generate Makefile for cppcheck
+
+#include <algorithm>
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+#include "../src/filelister.h"
+
+std::string objfile(std::string cppfile)
+{
+	cppfile.erase( cppfile.rfind(".") );
+	return cppfile + ".o";
+}
+
+void getDeps(const std::string &filename, std::vector<std::string> &depfiles)
+{
+	std::ifstream f( filename.c_str() );
+	if ( ! f.is_open() )
+		return;
+
+	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("/../") );
+		if (std::find(depfiles.begin(), depfiles.end(), hfile) != depfiles.end())
+			continue;
+		depfiles.push_back( hfile );
+		getDeps(hfile, depfiles);
+	}
+}
+
+int main()
+{
+	// Get files..
+	std::vector<std::string> srcfiles;
+	FileLister::RecursiveAddFiles( srcfiles, "src/", true );
+	std::vector<std::string> testfiles;
+	FileLister::RecursiveAddFiles( testfiles, "test/", true );
+
+	std::ofstream fout("Makefile");
+
+	fout << "CXXFLAGS=-Wall -pedantic -g\n\n";
+
+	fout << "\n###### Object Files\n\n";
+	fout << "OBJECTS =     " << objfile(srcfiles[0]);
+	for ( unsigned int i = 1; i < srcfiles.size(); ++i )
+		fout << " \\" << std::endl << std::string(14,' ') << objfile(srcfiles[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]);
+	for ( unsigned int i = 0; i < srcfiles.size(); ++i )
+	{
+		if ( srcfiles[i] != "src/main.cpp" )
+			fout << " \\" << std::endl << std::string(14,' ') << objfile(srcfiles[i]);
+	}
+	fout << "\n\n";
+
+
+	fout << "\n###### Targets\n\n";
+	fout << "cppcheck:\t$(OBJECTS)\n";
+	fout << "\tg++ $(CXXFLAGS) -o cppcheck $(OBJECTS)\n\n";
+	fout << "testrunner:\t$(TESTOBJ)\n";
+	fout << "\tg++ $(CXXFLAGS) -o testrunner $(TESTOBJ)\n\n";
+	fout << "all:\tcppcheck\ttestrunner\n\n";
+	fout << "test:\ttestrunner\n\n";
+
+	fout << "\n###### Build\n\n";
+
+	for ( unsigned int i = 0; i < srcfiles.size(); ++i )
+	{
+		fout << objfile(srcfiles[i]) << ": " << srcfiles[i];
+		std::vector<std::string> depfiles;
+		getDeps( srcfiles[i], depfiles );
+		for ( unsigned int dep = 0; dep < depfiles.size(); ++dep )
+			fout << " " << depfiles[dep];
+		fout << "\n\tg++ $(CXXFLAGS) -c -o " << objfile(srcfiles[i]) << " " << srcfiles[i] << "\n\n";
+	}
+
+	for ( unsigned int i = 0; i < testfiles.size(); ++i )
+	{
+		fout << objfile(testfiles[i]) << ": " << testfiles[i];
+		std::vector<std::string> depfiles;
+		getDeps( testfiles[i], depfiles );
+		for ( unsigned int dep = 0; dep < depfiles.size(); ++dep )
+			fout << " " << depfiles[dep];
+		fout << "\n\tg++ $(CXXFLAGS) -c -o " << objfile(testfiles[i]) << " " << testfiles[i] << "\n\n";
+	}
+
+
+	return 0;
+}
+
+