aa37e67ef7
We've been requiring C++17 since Qt 6.0, and our qAsConst use finally starts to bother us (QTBUG-99313), so time to port away from it now. Since qAsConst has exactly the same semantics as std::as_const (down to rvalue treatment, constexpr'ness and noexcept'ness), there's really nothing more to it than a global search-and-replace, with manual unstaging of the actual definition and documentation in dist/, src/corelib/doc/ and src/corelib/global/. Task-number: QTBUG-99313 Change-Id: I4c7114444a325ad4e62d0fcbfd347d2bbfb21541 Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
375 lines
12 KiB
C++
375 lines
12 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include "qmakeglobals.h"
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#include "qmakeevaluator.h"
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#include "ioutils.h"
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#include <qbytearray.h>
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#include <qdatetime.h>
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#include <qdebug.h>
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#include <qdir.h>
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#include <qfile.h>
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#include <qfileinfo.h>
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#include <qlist.h>
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#include <qset.h>
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#include <qstack.h>
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#include <qstring.h>
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#include <qstringlist.h>
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#include <qtextstream.h>
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#ifdef PROEVALUATOR_THREAD_SAFE
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# include <qthreadpool.h>
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#endif
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#ifdef Q_OS_UNIX
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#include <unistd.h>
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#include <sys/utsname.h>
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#else
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#include <qt_windows.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef Q_OS_WIN32
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#define QT_POPEN _popen
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#define QT_POPEN_READ "rb"
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#define QT_PCLOSE _pclose
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#else
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#define QT_POPEN popen
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#define QT_POPEN_READ "r"
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#define QT_PCLOSE pclose
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#endif
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QT_BEGIN_NAMESPACE
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using namespace QMakeInternal; // for IoUtils
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#define fL1S(s) QString::fromLatin1(s)
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QMakeGlobals::QMakeGlobals()
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{
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do_cache = true;
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#ifdef PROEVALUATOR_DEBUG
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debugLevel = 0;
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#endif
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#ifdef Q_OS_WIN
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dirlist_sep = QLatin1Char(';');
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dir_sep = QLatin1Char('\\');
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#else
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dirlist_sep = QLatin1Char(':');
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dir_sep = QLatin1Char('/');
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#endif
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}
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QMakeGlobals::~QMakeGlobals()
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{
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qDeleteAll(baseEnvs);
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}
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QString QMakeGlobals::cleanSpec(QMakeCmdLineParserState &state, const QString &spec)
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{
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QString ret = QDir::cleanPath(spec);
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if (ret.contains(QLatin1Char('/'))) {
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QString absRet = IoUtils::resolvePath(state.pwd, ret);
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if (QFile::exists(absRet))
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ret = absRet;
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}
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return ret;
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}
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/*
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* Return value meanings:
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* ArgumentUnknown The argument at *pos was not handled by this function.
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* Leave it to the caller to handle this argument.
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* ArgumentMalformed There was an error detected.
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* ArgumentsOk All arguments were known. There are no arguments left to handle.
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*/
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QMakeGlobals::ArgumentReturn QMakeGlobals::addCommandLineArguments(
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QMakeCmdLineParserState &state, QStringList &args, int *pos)
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{
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enum { ArgNone, ArgConfig, ArgSpec, ArgXSpec, ArgTmpl, ArgTmplPfx, ArgCache, ArgQtConf } argState = ArgNone;
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for (; *pos < args.count(); (*pos)++) {
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QString arg = args.at(*pos);
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switch (argState) {
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case ArgConfig:
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state.configs[state.phase] << arg;
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break;
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case ArgSpec:
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qmakespec = args[*pos] = cleanSpec(state, arg);
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break;
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case ArgXSpec:
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xqmakespec = args[*pos] = cleanSpec(state, arg);
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break;
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case ArgTmpl:
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user_template = arg;
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break;
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case ArgTmplPfx:
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user_template_prefix = arg;
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break;
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case ArgCache:
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cachefile = args[*pos] = IoUtils::resolvePath(state.pwd, arg);
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break;
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case ArgQtConf:
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qtconf = args[*pos] = IoUtils::resolvePath(state.pwd, arg);
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break;
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default:
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if (arg.startsWith(QLatin1Char('-'))) {
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if (arg == QLatin1String("--")) {
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state.extraargs = args.mid(*pos + 1);
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args.erase(args.begin() + *pos, args.end());
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return ArgumentsOk;
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}
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if (arg == QLatin1String("-early"))
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state.phase = QMakeEvalEarly;
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else if (arg == QLatin1String("-before"))
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state.phase = QMakeEvalBefore;
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else if (arg == QLatin1String("-after"))
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state.phase = QMakeEvalAfter;
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else if (arg == QLatin1String("-late"))
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state.phase = QMakeEvalLate;
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else if (arg == QLatin1String("-config"))
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argState = ArgConfig;
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else if (arg == QLatin1String("-nocache"))
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do_cache = false;
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else if (arg == QLatin1String("-cache"))
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argState = ArgCache;
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else if (arg == QLatin1String("-qtconf"))
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argState = ArgQtConf;
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else if (arg == QLatin1String("-platform") || arg == QLatin1String("-spec"))
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argState = ArgSpec;
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else if (arg == QLatin1String("-xplatform") || arg == QLatin1String("-xspec"))
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argState = ArgXSpec;
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else if (arg == QLatin1String("-template") || arg == QLatin1String("-t"))
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argState = ArgTmpl;
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else if (arg == QLatin1String("-template_prefix") || arg == QLatin1String("-tp"))
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argState = ArgTmplPfx;
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else if (arg == QLatin1String("-win32"))
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dir_sep = QLatin1Char('\\');
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else if (arg == QLatin1String("-unix"))
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dir_sep = QLatin1Char('/');
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else
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return ArgumentUnknown;
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} else if (arg.contains(QLatin1Char('='))) {
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state.cmds[state.phase] << arg;
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} else {
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return ArgumentUnknown;
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}
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continue;
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}
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argState = ArgNone;
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}
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if (argState != ArgNone)
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return ArgumentMalformed;
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return ArgumentsOk;
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}
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void QMakeGlobals::commitCommandLineArguments(QMakeCmdLineParserState &state)
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{
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if (!state.extraargs.isEmpty()) {
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QString extra = fL1S("QMAKE_EXTRA_ARGS =");
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for (const QString &ea : std::as_const(state.extraargs))
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extra += QLatin1Char(' ') + QMakeEvaluator::quoteValue(ProString(ea));
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state.cmds[QMakeEvalBefore] << extra;
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}
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for (int p = 0; p < 4; p++) {
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if (!state.configs[p].isEmpty())
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state.cmds[p] << (fL1S("CONFIG += ") + state.configs[p].join(QLatin1Char(' ')));
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extra_cmds[p] = state.cmds[p].join(QLatin1Char('\n'));
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}
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if (xqmakespec.isEmpty())
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xqmakespec = qmakespec;
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}
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void QMakeGlobals::useEnvironment()
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{
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if (xqmakespec.isEmpty())
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xqmakespec = getEnv(QLatin1String("XQMAKESPEC"));
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if (qmakespec.isEmpty()) {
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qmakespec = getEnv(QLatin1String("QMAKESPEC"));
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if (xqmakespec.isEmpty())
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xqmakespec = qmakespec;
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}
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}
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void QMakeGlobals::setCommandLineArguments(const QString &pwd, const QStringList &_args)
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{
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QStringList args = _args;
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QMakeCmdLineParserState state(pwd);
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for (int pos = 0; pos < args.size(); pos++)
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addCommandLineArguments(state, args, &pos);
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commitCommandLineArguments(state);
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useEnvironment();
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}
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void QMakeGlobals::setDirectories(const QString &input_dir, const QString &output_dir)
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{
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if (input_dir != output_dir && !output_dir.isEmpty()) {
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QString srcpath = input_dir;
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if (!srcpath.endsWith(QLatin1Char('/')))
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srcpath += QLatin1Char('/');
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QString dstpath = output_dir;
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if (!dstpath.endsWith(QLatin1Char('/')))
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dstpath += QLatin1Char('/');
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int srcLen = srcpath.size();
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int dstLen = dstpath.size();
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int lastSl = -1;
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while (++lastSl, --srcLen, --dstLen,
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srcLen && dstLen && srcpath.at(srcLen) == dstpath.at(dstLen))
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if (srcpath.at(srcLen) == QLatin1Char('/'))
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lastSl = 0;
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source_root = srcpath.left(srcLen + lastSl);
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build_root = dstpath.left(dstLen + lastSl);
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}
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}
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QString QMakeGlobals::shadowedPath(const QString &fileName) const
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{
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if (source_root.isEmpty())
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return fileName;
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if (fileName.startsWith(source_root)
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&& (fileName.size() == source_root.size()
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|| fileName.at(source_root.size()) == QLatin1Char('/'))) {
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return build_root + fileName.mid(source_root.size());
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}
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return QString();
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}
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QStringList QMakeGlobals::splitPathList(const QString &val) const
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{
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QStringList ret;
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if (!val.isEmpty()) {
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QString cwd(QDir::currentPath());
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const QStringList vals = val.split(dirlist_sep, Qt::SkipEmptyParts);
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ret.reserve(vals.length());
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for (const QString &it : vals)
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ret << IoUtils::resolvePath(cwd, it);
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}
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return ret;
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}
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QString QMakeGlobals::getEnv(const QString &var) const
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{
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#ifdef PROEVALUATOR_SETENV
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return environment.value(var);
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#else
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return QString::fromLocal8Bit(qgetenv(var.toLocal8Bit().constData()));
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#endif
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}
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QStringList QMakeGlobals::getPathListEnv(const QString &var) const
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{
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return splitPathList(getEnv(var));
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}
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QString QMakeGlobals::expandEnvVars(const QString &str) const
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{
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QString string = str;
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int startIndex = 0;
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forever {
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startIndex = string.indexOf(QLatin1Char('$'), startIndex);
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if (startIndex < 0)
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break;
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if (string.size() < startIndex + 3)
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break;
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if (string.at(startIndex + 1) != QLatin1Char('(')) {
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startIndex++;
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continue;
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}
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int endIndex = string.indexOf(QLatin1Char(')'), startIndex + 2);
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if (endIndex < 0)
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break;
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QString value = getEnv(string.mid(startIndex + 2, endIndex - startIndex - 2));
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string.replace(startIndex, endIndex - startIndex + 1, value);
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startIndex += value.size();
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}
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return string;
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}
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#ifndef QT_BUILD_QMAKE
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#ifdef PROEVALUATOR_INIT_PROPS
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bool QMakeGlobals::initProperties()
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{
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QByteArray data;
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#if QT_CONFIG(process)
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QProcess proc;
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proc.start(qmake_abslocation, QStringList() << QLatin1String("-query"));
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if (!proc.waitForFinished())
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return false;
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data = proc.readAll();
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#else
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if (FILE *proc = QT_POPEN(QString(IoUtils::shellQuote(qmake_abslocation)
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+ QLatin1String(" -query")).toLocal8Bit(), QT_POPEN_READ)) {
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char buff[1024];
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while (!feof(proc))
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data.append(buff, int(fread(buff, 1, 1023, proc)));
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QT_PCLOSE(proc);
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}
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#endif
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parseProperties(data, properties);
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return true;
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}
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#endif
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void QMakeGlobals::parseProperties(const QByteArray &data, QHash<ProKey, ProString> &properties)
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{
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const auto lines = data.split('\n');
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for (QByteArray line : lines) {
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int off = line.indexOf(':');
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if (off < 0) // huh?
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continue;
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if (line.endsWith('\r'))
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line.chop(1);
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QString name = QString::fromLatin1(line.left(off));
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ProString value = ProString(QDir::fromNativeSeparators(
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QString::fromLocal8Bit(line.mid(off + 1))));
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if (value.isNull())
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value = ProString(""); // Make sure it is not null, to discern from missing keys
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properties.insert(ProKey(name), value);
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if (name.startsWith(QLatin1String("QT_"))) {
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enum { PropPut, PropRaw, PropGet } variant;
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if (name.contains(QLatin1Char('/'))) {
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if (name.endsWith(QLatin1String("/raw")))
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variant = PropRaw;
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else if (name.endsWith(QLatin1String("/get")))
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variant = PropGet;
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else // Nothing falls back on /src or /dev.
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continue;
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name.chop(4);
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} else {
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variant = PropPut;
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}
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if (name.startsWith(QLatin1String("QT_INSTALL_"))) {
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if (variant < PropRaw) {
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if (name == QLatin1String("QT_INSTALL_PREFIX")
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|| name == QLatin1String("QT_INSTALL_DATA")
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|| name == QLatin1String("QT_INSTALL_LIBS")
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|| name == QLatin1String("QT_INSTALL_BINS")) {
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// Qt4 fallback
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QString hname = name;
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hname.replace(3, 7, QLatin1String("HOST"));
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properties.insert(ProKey(hname), value);
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properties.insert(ProKey(hname + QLatin1String("/get")), value);
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properties.insert(ProKey(hname + QLatin1String("/src")), value);
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}
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properties.insert(ProKey(name + QLatin1String("/raw")), value);
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}
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if (variant <= PropRaw)
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properties.insert(ProKey(name + QLatin1String("/dev")), value);
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} else if (!name.startsWith(QLatin1String("QT_HOST_"))) {
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continue;
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}
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if (variant != PropRaw) {
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if (variant < PropGet)
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properties.insert(ProKey(name + QLatin1String("/get")), value);
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properties.insert(ProKey(name + QLatin1String("/src")), value);
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}
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}
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}
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}
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#endif // QT_BUILD_QMAKE
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QT_END_NAMESPACE
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