Commit 45fbbba2 authored by Roberto Raggi's avatar Roberto Raggi
Browse files

Improved a little bit the example and show how to compute the deps for all the files in QtCore.

parent 483449e4
......@@ -17,12 +17,16 @@ class MakeDepend: public Client
{
Environment *env;
QList<QDir> systemDirs;
QStringList included;
public:
MakeDepend(Environment *env)
: env(env)
{ }
QStringList includedFiles() const
{ return included; }
void addSystemDir(const QDir &dir)
{ systemDirs.append(dir); }
......@@ -32,17 +36,22 @@ public:
virtual void macroAdded(const Macro &)
{ }
virtual void sourceNeeded(QString &fileName, IncludeType mode, unsigned)
void addInclude(const QString &absoluteFilePath)
{ included.append(absoluteFilePath); }
virtual void sourceNeeded(QString &fileName, IncludeType mode, unsigned line)
{
// ### cache
const QString currentFile = QFile::decodeName(env->currentFile);
if (mode == IncludeLocal) {
// ### cache
const QFileInfo currentFile(QFile::decodeName(env->currentFile));
const QDir dir = currentFile.dir();
const QFileInfo currentFileInfo(currentFile);
const QDir dir = currentFileInfo.dir();
// ### cleanup
QFileInfo fileInfo(dir, fileName);
if (fileInfo.exists()) {
fileName = fileInfo.absoluteFilePath();
std::cout << ' ' << qPrintable(fileName);
addInclude(fileInfo.absoluteFilePath());
return;
}
}
......@@ -50,13 +59,15 @@ public:
foreach (const QDir &dir, systemDirs) {
QFileInfo fileInfo(dir, fileName);
if (fileInfo.exists() && fileInfo.isFile()) {
fileName = fileInfo.absoluteFilePath();
std::cout << ' ' << qPrintable(fileName);
addInclude(fileInfo.absoluteFilePath());
return;
}
}
std::cerr << "file '" << qPrintable(fileName) << "' not found" << std::endl;
#ifdef PP_WITH_DIAGNOSTICS
std::cerr << qPrintable(currentFile) << ':' << line << ": error: "
<< qPrintable(fileName) << ": No such file or directory" << std::endl;
#endif
}
virtual void startExpandingMacro(unsigned, const Macro &,
......@@ -76,22 +87,51 @@ public:
int main(int argc, char *argv[])
{
Environment env;
MakeDepend client(&env);
QCoreApplication app(argc, argv);
QStringList todo = app.arguments();
todo.removeFirst();
if (todo.isEmpty())
todo.append(qgetenv("QTDIR") + "/include/QtCore/QtCore");
QMap<QString, QStringList> processed;
while (! todo.isEmpty()) {
const QString fn = todo.takeFirst();
if (processed.contains(fn))
continue;
client.addSystemDir(QLatin1String("/usr/include"));
Preprocessor preproc(&client, &env);
QStringList deps;
for (int i = 1; i < argc; ++i) {
const QByteArray fileName = argv[i];
std::cout << fileName.constData() << ':';
QFile file(QFile::decodeName(fileName));
QFile file(fn);
if (file.open(QFile::ReadOnly)) {
// ### we should QTextStream here.
const QByteArray code = file.readAll();
preproc.preprocess(fileName, code, /*result = */ 0);
Environment env;
MakeDepend client(&env);
client.addSystemDir(qgetenv("QTDIR") + "/include");
Preprocessor preproc(&client, &env);
preproc.preprocess(QFile::encodeName(fn), code, /*result = */ 0);
deps = client.includedFiles();
todo += deps;
}
std::cout << std::endl;
processed.insert(fn, deps);
}
QMapIterator<QString, QStringList> it(processed);
while (it.hasNext()) {
it.next();
if (it.value().isEmpty())
continue; // no deps, nothing to do.
std::cout << qPrintable(it.key()) << ": \\\n " << qPrintable(it.value().join(QLatin1String(" \\\n ")))
<< std::endl << std::endl;
}
return 0;
......
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