150 lines
3.2 KiB
C++
150 lines
3.2 KiB
C++
#include <fstream>
|
|
#include <iostream>
|
|
#include <locale>
|
|
#include <set>
|
|
#include <string>
|
|
|
|
using namespace std;
|
|
|
|
static
|
|
string
|
|
baseName(const string& filename)
|
|
{
|
|
return filename.substr(0, filename.rfind('.'));
|
|
}
|
|
|
|
static
|
|
int
|
|
writeMakefile(const string& dstdir, const set<string>& depFilenames)
|
|
{
|
|
string makeFilename = dstdir + "\\deps.mak";
|
|
ofstream makeFile(makeFilename.c_str());
|
|
if (!makeFile) {
|
|
cerr << "Can't open '" << makeFilename << "' for writing" << endl;
|
|
return 1;
|
|
}
|
|
|
|
for (set<string>::const_iterator i = depFilenames.begin();
|
|
i != depFilenames.end(); ++i) {
|
|
makeFile << "!if EXIST(\"" << *i << "\")" << endl;
|
|
makeFile << "!include \"" << *i << "\"" << endl;
|
|
makeFile << "!endif" << endl;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static
|
|
void
|
|
writeDependencies(
|
|
const string& filename,
|
|
const string& srcdir,
|
|
const string& dstdir,
|
|
const set<string>& paths)
|
|
{
|
|
string basename = baseName(filename);
|
|
string depFilename = dstdir + "\\" + basename + ".d";
|
|
ofstream depFile(depFilename.c_str());
|
|
if (!depFile) {
|
|
cerr << "Can't open '" << depFilename << "' for writing" << endl;
|
|
return;
|
|
}
|
|
|
|
// Write dependencies rule for filename
|
|
depFile << "\"" << dstdir << "\\" << basename << ".obj\": \"" <<
|
|
srcdir << "\\" << filename << "\" \\" << endl;
|
|
for (set<string>::const_iterator i = paths.begin(); i != paths.end(); ++i) {
|
|
depFile << "\t\"" << *i << "\" \\" << endl;
|
|
}
|
|
depFile << "\t$(NULL)" << endl;
|
|
}
|
|
|
|
static
|
|
int
|
|
writeDepfiles(const string& srcdir, const string& dstdir)
|
|
{
|
|
const string includeLine = "Note: including file:";
|
|
|
|
// Parse stdin
|
|
string line;
|
|
string filename;
|
|
set<string> paths;
|
|
locale loc = locale::classic();
|
|
const ctype<char>& ct = use_facet<ctype<char> >(loc);
|
|
while (getline(cin, line)) {
|
|
bool echo = true;
|
|
|
|
// Check for include line
|
|
if (line.compare(0, includeLine.length(), includeLine) == 0) {
|
|
// Strip includeLine and leading spaces
|
|
line.erase(0, line.find_first_not_of(" ", includeLine.length()));
|
|
if (line.length() == 0) {
|
|
continue;
|
|
}
|
|
|
|
// Uppercase all drive letters
|
|
if (line.length() > 2 && line[1] == ':') {
|
|
line[0] = ct.toupper(line[0]);
|
|
}
|
|
|
|
// Record path
|
|
paths.insert(line);
|
|
echo = false;
|
|
}
|
|
|
|
// Maybe a source filename
|
|
else if (line.rfind(".cpp") == line.length() - 4) {
|
|
// Write dependencies for previous source file
|
|
if (filename.length() != 0) {
|
|
writeDependencies(filename, srcdir, dstdir, paths);
|
|
paths.clear();
|
|
}
|
|
filename = line;
|
|
}
|
|
|
|
// Otherwise other output
|
|
else {
|
|
// do nothing
|
|
}
|
|
|
|
if (echo) {
|
|
cout << line << endl;
|
|
}
|
|
}
|
|
|
|
// Write dependencies for last source file
|
|
if (filename.length() != 0) {
|
|
writeDependencies(filename, srcdir, dstdir, paths);
|
|
paths.clear();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
main(int argc, char** argv)
|
|
{
|
|
if (argc < 3) {
|
|
cerr << "usage: " << argv[0] <<
|
|
" <src-directory> <dst-directory> [<depfiles>]" << endl;
|
|
return 1;
|
|
}
|
|
string srcdir = argv[1];
|
|
string dstdir = argv[2];
|
|
|
|
// If depfiles were supplied then create a makefile in outdir to load
|
|
// all of them.
|
|
int result;
|
|
if (argc > 3) {
|
|
set<string> depFilenames(argv + 3, argv + argc);
|
|
result = writeMakefile(dstdir, depFilenames);
|
|
}
|
|
|
|
// Otherwise parse stdin and create a depfile for each listed file
|
|
else {
|
|
result = writeDepfiles(srcdir, dstdir);
|
|
}
|
|
|
|
return result;
|
|
}
|