Files
qt-creator/tests/manual/preprocessor/main.cpp

139 lines
3.5 KiB
C++

#include <PreprocessorEnvironment.h>
#include <PreprocessorClient.h>
#include <pp.h>
#include <QCoreApplication>
#include <QFile>
#include <QStringList>
#include <QDir>
#include <QtDebug>
#include <iostream>
using namespace CPlusPlus;
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); }
void addSystemDir(const QString &path)
{ systemDirs.append(QDir(path)); }
virtual void macroAdded(const Macro &)
{ }
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) {
const QFileInfo currentFileInfo(currentFile);
const QDir dir = currentFileInfo.dir();
// ### cleanup
QFileInfo fileInfo(dir, fileName);
if (fileInfo.exists()) {
addInclude(fileInfo.absoluteFilePath());
return;
}
}
foreach (const QDir &dir, systemDirs) {
QFileInfo fileInfo(dir, fileName);
if (fileInfo.exists() && fileInfo.isFile()) {
addInclude(fileInfo.absoluteFilePath());
return;
}
}
#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 &,
const QByteArray &,
const QVector<MacroArgumentReference> &)
{ }
virtual void stopExpandingMacro(unsigned, const Macro &)
{ }
virtual void startSkippingBlocks(unsigned)
{ }
virtual void stopSkippingBlocks(unsigned)
{ }
};
int main(int argc, char *argv[])
{
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;
QStringList deps;
QFile file(fn);
if (file.open(QFile::ReadOnly)) {
// ### we should QTextStream here.
const QByteArray code = file.readAll();
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;
}
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;
}