option.cpp

qtmake 文件的代码

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the qmake application of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#include "option.h"
#include "cachekeys.h"
#include <qdir.h>
#include <qregexp.h>
#include <qhash.h>
#include <qsettings.h>
#include <stdlib.h>
#include <stdarg.h>

//convenience
QString Option::prf_ext;
QString Option::prl_ext;
QString Option::libtool_ext;
QString Option::pkgcfg_ext;
QString Option::ui_ext;
QStringList Option::h_ext;
QString Option::cpp_moc_ext;
QString Option::h_moc_ext;
QStringList Option::cpp_ext;
QString Option::obj_ext;
QString Option::lex_ext;
QString Option::yacc_ext;
QString Option::pro_ext;
QString Option::dir_sep;
QString Option::dirlist_sep;
QString Option::h_moc_mod;
QString Option::cpp_moc_mod;
QString Option::yacc_mod;
QString Option::lex_mod;
QString Option::sysenv_mod;
QString Option::res_ext;
char Option::field_sep;

//mode
Option::QMAKE_MODE Option::qmake_mode = Option::QMAKE_GENERATE_NOTHING;

//all modes
QString Option::qmake_abslocation;
int Option::warn_level = WarnLogic;
int Option::debug_level = 0;
QFile Option::output;
QString Option::output_dir;
bool Option::recursive = false;
QStringList Option::before_user_vars;
QStringList Option::after_user_vars;
QStringList Option::user_configs;
QStringList Option::after_user_configs;
QString Option::user_template;
QString Option::user_template_prefix;
#if defined(Q_OS_WIN32)
Option::TARG_MODE Option::target_mode = Option::TARG_WIN_MODE;
#elif defined(Q_OS_MAC)
Option::TARG_MODE Option::target_mode = Option::TARG_MACX_MODE;
#elif defined(Q_OS_QNX6)
Option::TARG_MODE Option::target_mode = Option::TARG_QNX6_MODE;
#else
Option::TARG_MODE Option::target_mode = Option::TARG_UNIX_MODE;
#endif

//QMAKE_*_PROPERTY stuff
QStringList Option::prop::properties;

//QMAKE_GENERATE_PROJECT stuff
bool Option::projfile::do_pwd = true;
QStringList Option::projfile::project_dirs;

//QMAKE_GENERATE_MAKEFILE stuff
QString Option::mkfile::qmakespec;
int Option::mkfile::cachefile_depth = -1;
bool Option::mkfile::do_deps = true;
bool Option::mkfile::do_mocs = true;
bool Option::mkfile::do_dep_heuristics = true;
bool Option::mkfile::do_preprocess = false;
bool Option::mkfile::do_cache = true;
QString Option::mkfile::cachefile;
QStringList Option::mkfile::project_files;
QString Option::mkfile::qmakespec_commandline;

static Option::QMAKE_MODE default_mode(QString progname)
{
    int s = progname.lastIndexOf(Option::dir_sep);
    if(s != -1)
        progname = progname.right(progname.length() - (s + 1));
    if(progname == "qmakegen")
        return Option::QMAKE_GENERATE_PROJECT;
    else if(progname == "qt-config")
        return Option::QMAKE_QUERY_PROPERTY;
    return Option::QMAKE_GENERATE_MAKEFILE;
}

QString project_builtin_regx();
bool usage(const char *a0)
{
    fprintf(stdout, "Usage: %s [mode] [options] [files]\n"
            "\n"
            "QMake has two modes, one mode for generating project files based on\n"
            "some heuristics, and the other for generating makefiles. Normally you\n"
            "shouldn't need to specify a mode, as makefile generation is the default\n"
            "mode for qmake, but you may use this to test qmake on an existing project\n"
            "\n"
            "Mode:\n"
            "\t-project       Put qmake into project file generation mode%s\n"
            "\t               In this mode qmake interprets files as files to\n"
            "\t               be built,\n"
            "\t               defaults to %s\n"
            "\t-makefile      Put qmake into makefile generation mode%s\n"
            "\t               In this mode qmake interprets files as project files to\n"
            "\t               be processed, if skipped qmake will try to find a project\n"
            "\t               file in your current working directory\n"
            "\n"
            "Warnings Options:\n"
            "\t-Wnone         Turn off all warnings\n"
            "\t-Wall          Turn on all warnings\n"
            "\t-Wparser       Turn on parser warnings\n"
            "\t-Wlogic        Turn on logic warnings\n"
            "\n"
            "Options:\n"
            "\t * You can place any variable assignment in options and it will be     *\n"
            "\t * processed as if it was in [files]. These assignments will be parsed *\n"
            "\t * before [files].                                                     *\n"
            "\t-o file        Write output to file\n"
            "\t-unix          Run in unix mode\n"
            "\t-win32         Run in win32 mode\n"
            "\t-macx          Run in Mac OS X mode\n"
            "\t-d             Increase debug level\n"
            "\t-t templ       Overrides TEMPLATE as templ\n"
            "\t-tp prefix     Overrides TEMPLATE so that prefix is prefixed into the value\n"
            "\t-help          This help\n"
            "\t-v             Version information\n"
            "\t-after         All variable assignments after this will be\n"
            "\t               parsed after [files]\n"
            "\t-norecursive   Don't do a recursive search\n"
            "\t-recursive     Do a recursive search\n"
            "\t-cache file    Use file as cache           [makefile mode only]\n"
            "\t-spec spec     Use spec as QMAKESPEC       [makefile mode only]\n"
            "\t-nocache       Don't use a cache file      [makefile mode only]\n"
            "\t-nodepend      Don't generate dependencies [makefile mode only]\n"
            "\t-nomoc         Don't generate moc targets  [makefile mode only]\n"
            "\t-nopwd         Don't look for files in pwd [project mode only]\n"
            ,a0,
            default_mode(a0) == Option::QMAKE_GENERATE_PROJECT  ? " (default)" : "", project_builtin_regx().toLatin1().constData(),
            default_mode(a0) == Option::QMAKE_GENERATE_MAKEFILE ? " (default)" : ""
        );
    return false;
}

int
Option::parseCommandLine(int argc, char **argv, int skip)
{
    bool before = true;
    for(int x = skip; x < argc; x++) {
        if(*argv[x] == '-' && strlen(argv[x]) > 1) { /* options */
            QString opt = argv[x] + 1;

            //first param is a mode, or we default
            if(x == 1) {
                bool specified = true;
                if(opt == "project") {
                    Option::recursive = true;
                    Option::qmake_mode = Option::QMAKE_GENERATE_PROJECT;
                } else if(opt == "prl") {
                    Option::mkfile::do_deps = false;
                    Option::mkfile::do_mocs = false;
                    Option::qmake_mode = Option::QMAKE_GENERATE_PRL;
                } else if(opt == "set") {
                    Option::qmake_mode = Option::QMAKE_SET_PROPERTY;
                } else if(opt == "query") {
                    Option::qmake_mode = Option::QMAKE_QUERY_PROPERTY;
                } else if(opt == "makefile") {
                    Option::qmake_mode = Option::QMAKE_GENERATE_MAKEFILE;
                } else {
                    specified = false;
                }
                if(specified)
                    continue;
            }
            //all modes
            if(opt == "o" || opt == "output") {
                Option::output.setFileName(argv[++x]);
            } else if(opt == "after") {
                before = false;
            } else if(opt == "t" || opt == "template") {
                Option::user_template = argv[++x];
            } else if(opt == "tp" || opt == "template_prefix") {
                Option::user_template_prefix = argv[++x];
            } else if(opt == "mac9") {
                Option::target_mode = TARG_MAC9_MODE;
            } else if(opt == "macx") {
                Option::target_mode = TARG_MACX_MODE;
            } else if(opt == "unix") {
                Option::target_mode = TARG_UNIX_MODE;
            } else if(opt == "win32") {
                Option::target_mode = TARG_WIN_MODE;
            } else if(opt == "d") {
                Option::debug_level++;
            } else if(opt == "version" || opt == "v" || opt == "-version") {
                fprintf(stdout,
                        "QMake version: %s\n"
                        "Using Qt version %s in %s\n",
                        qmake_version(), QT_VERSION_STR,
                        QLibraryInfo::location(QLibraryInfo::LibrariesPath).toLatin1().constData());
#ifdef QMAKE_OPENSOURCE_VERSION
                fprintf(stdout, "QMake is Open Source software from Trolltech ASA.\n");
#endif
                return Option::QMAKE_CMDLINE_BAIL;
            } else if(opt == "h" || opt == "help") {
                return Option::QMAKE_CMDLINE_SHOW_USAGE;
            } else if(opt == "Wall") {
                Option::warn_level |= WarnAll;
            } else if(opt == "Wparser") {
                Option::warn_level |= WarnParser;
            } else if(opt == "Wlogic") {
                Option::warn_level |= WarnLogic;
            } else if(opt == "Wnone") {
                Option::warn_level = WarnNone;
            } else if(opt == "r" || opt == "recursive") {
                Option::recursive = true;
            } else if(opt == "norecursive") {
                Option::recursive = false;
            } else if(opt == "config") {
                Option::user_configs += argv[++x];
            } else {
                if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
                   Option::qmake_mode == Option::QMAKE_GENERATE_PRL) {
                    if(opt == "nodepend" || opt == "nodepends") {
                        Option::mkfile::do_deps = false;
                    } else if(opt == "nomoc") {
                        Option::mkfile::do_mocs = false;
                    } else if(opt == "nocache") {
                        Option::mkfile::do_cache = false;
                    } else if(opt == "nodependheuristics") {
                        Option::mkfile::do_dep_heuristics = false;
                    } else if(opt == "E") {
                        Option::mkfile::do_preprocess = true;
                    } else if(opt == "cache") {
                        Option::mkfile::cachefile = argv[++x];
                    } else if(opt == "platform" || opt == "spec") {
                        Option::mkfile::qmakespec = argv[++x];
                        Option::mkfile::qmakespec_commandline = argv[x];
                    } else {
                        fprintf(stderr, "***Unknown option -%s\n", opt.toLatin1().constData());
                        return Option::QMAKE_CMDLINE_SHOW_USAGE | Option::QMAKE_CMDLINE_ERROR;
                    }
                } else if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT) {
                    if(opt == "nopwd") {
                        Option::projfile::do_pwd = false;
                    } else {
                        fprintf(stderr, "***Unknown option -%s\n", opt.toLatin1().constData());
                        return Option::QMAKE_CMDLINE_SHOW_USAGE | Option::QMAKE_CMDLINE_ERROR;
                    }
                }
            }
        } else {
            QString arg = argv[x];
            if(arg.indexOf('=') != -1) {
                if(before)
                    Option::before_user_vars.append(arg);
                else
                    Option::after_user_vars.append(arg);
            } else {
                bool handled = true;
                if(Option::qmake_mode == Option::QMAKE_QUERY_PROPERTY ||
                    Option::qmake_mode == Option::QMAKE_SET_PROPERTY) {
                    Option::prop::properties.append(arg);
                } else {
                    QFileInfo fi(arg);
                    if(!fi.makeAbsolute()) //strange
                        arg = fi.filePath();
                    if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
                       Option::qmake_mode == Option::QMAKE_GENERATE_PRL)
                        Option::mkfile::project_files.append(arg);
                    else if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
                        Option::projfile::project_dirs.append(arg);
                    else
                        handled = false;
                }
                if(!handled) {
                    return Option::QMAKE_CMDLINE_SHOW_USAGE | Option::QMAKE_CMDLINE_ERROR;
                }
            }
        }
    }

    return Option::QMAKE_CMDLINE_SUCCESS;
}

int
Option::init(int argc, char **argv)
{
    Option::cpp_moc_mod = "";
    Option::h_moc_mod = "moc_";
    Option::lex_mod = "_lex";
    Option::yacc_mod = "_yacc";
    Option::prl_ext = ".prl";
    Option::libtool_ext = ".la";
    Option::pkgcfg_ext = ".pc";
    Option::prf_ext = ".prf";
    Option::ui_ext = ".ui";
    Option::h_ext << ".h" << ".hpp" << ".hh" << ".hxx";
#ifndef Q_OS_WIN
    Option::h_ext << ".H";
#endif
    Option::cpp_moc_ext = ".moc";
    Option::h_moc_ext = ".cpp";
    Option::cpp_ext << ".cpp" << ".cc" << ".cxx";
#ifndef Q_OS_WIN
    Option::cpp_ext << ".C";
#endif
    Option::lex_ext = ".l";
    Option::yacc_ext = ".y";
    Option::pro_ext = ".pro";
#ifdef Q_OS_WIN
    Option::dirlist_sep = ";";
#else
    Option::dirlist_sep = ":";
#endif
    Option::sysenv_mod = "QMAKE_ENV_";
    Option::field_sep = ' ';

    if(argc && argv) {
        QString argv0 = argv[0];
        if(Option::qmake_mode == Option::QMAKE_GENERATE_NOTHING)
            Option::qmake_mode = default_mode(argv0);
        if(!argv0.isEmpty() && argv0.at(0) == QLatin1Char('/')) {
            Option::qmake_abslocation = argv0;
        } else if (argv0.contains(QLatin1Char('/'))) { //relative PWD
            Option::qmake_abslocation = QDir::current().absoluteFilePath(argv0);
        } else { //in the PATH
            QByteArray pEnv = qgetenv("PATH");
            QDir currentDir = QDir::current();
#ifdef Q_OS_WIN
            QStringList paths = QString::fromLocal8Bit(pEnv).split(QLatin1String(";"));
#else
            QStringList paths = QString::fromLocal8Bit(pEnv).split(QLatin1String(":"));
#endif
            for (QStringList::const_iterator p = paths.constBegin(); p != paths.constEnd(); ++p) {
                if ((*p).isEmpty())