/****************************************************************************

**

** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the qmake application of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

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**

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** $QT_END_LICENSE$

**

****************************************************************************/

#include "project.h"

#include "property.h"

#include "option.h"

#include "cachekeys.h"

#include <qdatetime.h>

#include <qfile.h>

#include <qfileinfo.h>

#include <qdir.h>

#include <qregexp.h>

#include <qtextstream.h>

#include <qstack.h>

#include <qhash.h>

#include <qdebug.h>

#ifdef Q_OS_UNIX

#include <unistd.h>

#include <sys/utsname.h>

#elif defined(Q_OS_WIN32)

#include <windows.h>

#endif

#include <stdio.h>

#include <stdlib.h>

// Included from tools/shared

#include <symbian/epocroot.h>

#ifdef Q_OS_WIN32

#define QT_POPEN _popen

#define QT_PCLOSE _pclose

#else

#define QT_POPEN popen

#define QT_PCLOSE pclose

#endif

QT_BEGIN_NAMESPACE

//expand fucntions

enum ExpandFunc { E_MEMBER=1, E_FIRST, E_LAST, E_CAT, E_FROMFILE, E_EVAL, E_LIST,

                  E_SPRINTF, E_JOIN, E_SPLIT, E_BASENAME, E_DIRNAME, E_SECTION,

                  E_FIND, E_SYSTEM, E_UNIQUE, E_QUOTE, E_ESCAPE_EXPAND,

                  E_UPPER, E_LOWER, E_FILES, E_PROMPT, E_RE_ESCAPE, E_REPLACE,

                  E_SIZE, E_GENERATE_UID };

QMap<QString, ExpandFunc> qmake_expandFunctions()

{

    static QMap<QString, ExpandFunc> *qmake_expand_functions = 0;

    if(!qmake_expand_functions) {

        qmake_expand_functions = new QMap<QString, ExpandFunc>;

        qmakeAddCacheClear(qmakeDeleteCacheClear_QMapStringInt, (void**)&qmake_expand_functions);

        qmake_expand_functions->insert("member", E_MEMBER);

        qmake_expand_functions->insert("first", E_FIRST);

        qmake_expand_functions->insert("last", E_LAST);

        qmake_expand_functions->insert("cat", E_CAT);

        qmake_expand_functions->insert("fromfile", E_FROMFILE);

        qmake_expand_functions->insert("eval", E_EVAL);

        qmake_expand_functions->insert("list", E_LIST);

        qmake_expand_functions->insert("sprintf", E_SPRINTF);

        qmake_expand_functions->insert("join", E_JOIN);

        qmake_expand_functions->insert("split", E_SPLIT);

        qmake_expand_functions->insert("basename", E_BASENAME);

        qmake_expand_functions->insert("dirname", E_DIRNAME);

        qmake_expand_functions->insert("section", E_SECTION);

        qmake_expand_functions->insert("find", E_FIND);

        qmake_expand_functions->insert("system", E_SYSTEM);

        qmake_expand_functions->insert("unique", E_UNIQUE);

        qmake_expand_functions->insert("quote", E_QUOTE);

        qmake_expand_functions->insert("escape_expand", E_ESCAPE_EXPAND);

        qmake_expand_functions->insert("upper", E_UPPER);

        qmake_expand_functions->insert("lower", E_LOWER);

        qmake_expand_functions->insert("re_escape", E_RE_ESCAPE);

        qmake_expand_functions->insert("files", E_FILES);

        qmake_expand_functions->insert("prompt", E_PROMPT);

        qmake_expand_functions->insert("replace", E_REPLACE);

        qmake_expand_functions->insert("size", E_SIZE);

        qmake_expand_functions->insert("generate_uid", E_GENERATE_UID);

    }

    return *qmake_expand_functions;

}

//replace functions

enum TestFunc { T_REQUIRES=1, T_GREATERTHAN, T_LESSTHAN, T_EQUALS,

                T_EXISTS, T_EXPORT, T_CLEAR, T_UNSET, T_EVAL, T_CONFIG, T_SYSTEM,

                T_RETURN, T_BREAK, T_NEXT, T_DEFINED, T_CONTAINS, T_INFILE,

                T_COUNT, T_ISEMPTY, T_INCLUDE, T_LOAD, T_DEBUG, T_ERROR,

                T_MESSAGE, T_WARNING, T_IF };

QMap<QString, TestFunc> qmake_testFunctions()

{

    static QMap<QString, TestFunc> *qmake_test_functions = 0;

    if(!qmake_test_functions) {

        qmake_test_functions = new QMap<QString, TestFunc>;

        qmake_test_functions->insert("requires", T_REQUIRES);

        qmake_test_functions->insert("greaterThan", T_GREATERTHAN);

        qmake_test_functions->insert("lessThan", T_LESSTHAN);

        qmake_test_functions->insert("equals", T_EQUALS);

        qmake_test_functions->insert("isEqual", T_EQUALS);

        qmake_test_functions->insert("exists", T_EXISTS);

        qmake_test_functions->insert("export", T_EXPORT);

        qmake_test_functions->insert("clear", T_CLEAR);

        qmake_test_functions->insert("unset", T_UNSET);

        qmake_test_functions->insert("eval", T_EVAL);

        qmake_test_functions->insert("CONFIG", T_CONFIG);

        qmake_test_functions->insert("if", T_IF);

        qmake_test_functions->insert("isActiveConfig", T_CONFIG);

        qmake_test_functions->insert("system", T_SYSTEM);

        qmake_test_functions->insert("return", T_RETURN);

        qmake_test_functions->insert("break", T_BREAK);

        qmake_test_functions->insert("next", T_NEXT);

        qmake_test_functions->insert("defined", T_DEFINED);

        qmake_test_functions->insert("contains", T_CONTAINS);

        qmake_test_functions->insert("infile", T_INFILE);

        qmake_test_functions->insert("count", T_COUNT);

        qmake_test_functions->insert("isEmpty", T_ISEMPTY);

        qmake_test_functions->insert("include", T_INCLUDE);

        qmake_test_functions->insert("load", T_LOAD);

        qmake_test_functions->insert("debug", T_DEBUG);

        qmake_test_functions->insert("error", T_ERROR);

        qmake_test_functions->insert("message", T_MESSAGE);

        qmake_test_functions->insert("warning", T_WARNING);

    }

    return *qmake_test_functions;

}

struct parser_info {

    QString file;

    int line_no;

    bool from_file;

} parser;

static QString remove_quotes(const QString &arg)

{

    const ushort SINGLEQUOTE = '\'';

    const ushort DOUBLEQUOTE = '"';

    const QChar *arg_data = arg.data();

    const ushort first = arg_data->unicode();

    const int arg_len = arg.length();

    if(first == SINGLEQUOTE || first == DOUBLEQUOTE) {

        const ushort last = (arg_data+arg_len-1)->unicode();

        if(last == first)

            return arg.mid(1, arg_len-2);

    }

    return arg;

}

static QString varMap(const QString &x)

{

    QString ret(x);

    if(ret.startsWith("TMAKE")) //tmake no more!

        ret = "QMAKE" + ret.mid(5);

    else if(ret == "INTERFACES")

        ret = "FORMS";

    else if(ret == "QMAKE_POST_BUILD")

        ret = "QMAKE_POST_LINK";

    else if(ret == "TARGETDEPS")

        ret = "POST_TARGETDEPS";

    else if(ret == "LIBPATH")

        ret = "QMAKE_LIBDIR";

    else if(ret == "QMAKE_EXT_MOC")

        ret = "QMAKE_EXT_CPP_MOC";

    else if(ret == "QMAKE_MOD_MOC")

        ret = "QMAKE_H_MOD_MOC";

    else if(ret == "QMAKE_LFLAGS_SHAPP")

        ret = "QMAKE_LFLAGS_APP";

    else if(ret == "PRECOMPH")

        ret = "PRECOMPILED_HEADER";

    else if(ret == "PRECOMPCPP")

        ret = "PRECOMPILED_SOURCE";

    else if(ret == "INCPATH")

        ret = "INCLUDEPATH";

    else if(ret == "QMAKE_EXTRA_WIN_COMPILERS" || ret == "QMAKE_EXTRA_UNIX_COMPILERS")

        ret = "QMAKE_EXTRA_COMPILERS";

    else if(ret == "QMAKE_EXTRA_WIN_TARGETS" || ret == "QMAKE_EXTRA_UNIX_TARGETS")

        ret = "QMAKE_EXTRA_TARGETS";

    else if(ret == "QMAKE_EXTRA_UNIX_INCLUDES")

        ret = "QMAKE_EXTRA_INCLUDES";

    else if(ret == "QMAKE_EXTRA_UNIX_VARIABLES")

        ret = "QMAKE_EXTRA_VARIABLES";

    else if(ret == "QMAKE_RPATH")

        ret = "QMAKE_LFLAGS_RPATH";

    else if(ret == "QMAKE_FRAMEWORKDIR")

        ret = "QMAKE_FRAMEWORKPATH";

    else if(ret == "QMAKE_FRAMEWORKDIR_FLAGS")

        ret = "QMAKE_FRAMEWORKPATH_FLAGS";

    return ret;

}

static QStringList split_arg_list(QString params)

{

    int quote = 0;

    QStringList args;

    const ushort LPAREN = '(';

    const ushort RPAREN = ')';

    const ushort SINGLEQUOTE = '\'';

    const ushort DOUBLEQUOTE = '"';

    const ushort COMMA = ',';

    const ushort SPACE = ' ';

    //const ushort TAB = '\t';

    ushort unicode;

    const QChar *params_data = params.data();

    const int params_len = params.length();

    int last = 0;

    while(last < params_len && (params_data[last].unicode() == SPACE

                                /*|| params_data[last].unicode() == TAB*/))

        ++last;

    for(int x = last, parens = 0; x <= params_len; x++) {

        unicode = params_data[x].unicode();

        if(x == params_len) {

            while(x && params_data[x-1].unicode() == SPACE)

                --x;

            QString mid(params_data+last, x-last);

            if(quote) {

                if(mid[0] == quote && mid[(int)mid.length()-1] == quote)

                    mid = mid.mid(1, mid.length()-2);

                quote = 0;

            }

            args << mid;

            break;

        }

        if(unicode == LPAREN) {

            --parens;

        } else if(unicode == RPAREN) {

            ++parens;

        } else if(quote && unicode == quote) {

            quote = 0;

        } else if(!quote && (unicode == SINGLEQUOTE || unicode == DOUBLEQUOTE)) {

            quote = unicode;

        }

        if(!parens && !quote && unicode == COMMA) {

            QString mid = params.mid(last, x - last).trimmed();

            args << mid;

            last = x+1;

            while(last < params_len && (params_data[last].unicode() == SPACE

                                        /*|| params_data[last].unicode() == TAB*/))

                ++last;

        }

    }

    return args;

}

static QStringList split_value_list(const QString &vals, bool do_semicolon=false)

{

    QString build;

    QStringList ret;

    QStack<char> quote;

    const ushort LPAREN = '(';

    const ushort RPAREN = ')';

    const ushort SINGLEQUOTE = '\'';

    const ushort DOUBLEQUOTE = '"';

    const ushort BACKSLASH = '\\';

    const ushort SEMICOLON = ';';

    ushort unicode;

    const QChar *vals_data = vals.data();

    const int vals_len = vals.length();

    for(int x = 0, parens = 0; x < vals_len; x++) {

        unicode = vals_data[x].unicode();

        if(x != (int)vals_len-1 && unicode == BACKSLASH &&

            (vals_data[x+1].unicode() == SINGLEQUOTE || vals_data[x+1].unicode() == DOUBLEQUOTE)) {

            build += vals_data[x++]; //get that 'escape'

        } else if(!quote.isEmpty() && unicode == quote.top()) {

            quote.pop();

        } else if(unicode == SINGLEQUOTE || unicode == DOUBLEQUOTE) {

            quote.push(unicode);

        } else if(unicode == RPAREN) {

            --parens;

        } else if(unicode == LPAREN) {

            ++parens;

        }

        if(!parens && quote.isEmpty() && ((do_semicolon && unicode == SEMICOLON) ||

                                           vals_data[x] == Option::field_sep)) {

            ret << build;

            build.clear();

        } else {

            build += vals_data[x];

        }

    }

    if(!build.isEmpty())

        ret << build;

    return ret;

}

//just a parsable entity

struct ParsableBlock

{

    ParsableBlock() : ref_cnt(1) { }

    virtual ~ParsableBlock() { }

    struct Parse {

        QString text;

        parser_info pi;

        Parse(const QString &t) : text(t){ pi = parser; }

    };

    QList<Parse> parselist;

    inline int ref() { return ++ref_cnt; }

    inline int deref() { return --ref_cnt; }

protected:

    int ref_cnt;

    virtual bool continueBlock() = 0;

    bool eval(QMakeProject *p, QMap<QString, QStringList> &place);

};

bool ParsableBlock::eval(QMakeProject *p, QMap<QString, QStringList> &place)

{

    //save state

    parser_info pi = parser;

    const int block_count = p->scope_blocks.count();

    //execute

    bool ret = true;

    for(int i = 0; i < parselist.count(); i++) {

        parser = parselist.at(i).pi;

        if(!(ret = p->parse(parselist.at(i).text, place)) || !continueBlock())

            break;

    }

    //restore state

    parser = pi;

    while(p->scope_blocks.count() > block_count)

        p->scope_blocks.pop();

    return ret;

}

//defined functions

struct FunctionBlock : public ParsableBlock

{

    FunctionBlock() : calling_place(0), scope_level(1), cause_return(false) { }

    QMap<QString, QStringList> vars;

    QMap<QString, QStringList> *calling_place;

    QStringList return_value;

    int scope_level;

    bool cause_return;

    bool exec(const QList<QStringList> &args,

              QMakeProject *p, QMap<QString, QStringList> &place, QStringList &functionReturn);

    virtual bool continueBlock() { return !cause_return; }

};

bool FunctionBlock::exec(const QList<QStringList> &args,

                         QMakeProject *proj, QMap<QString, QStringList> &place,

                         QStringList &functionReturn)

{

    //save state

#if 1

    calling_place = &place;

#else

    calling_place = &proj->variables();

#endif

    return_value.clear();

    cause_return = false;

    //execute

#if 0

    vars = proj->variables(); // should be place so that local variables can be inherited

#else

    vars = place;

#endif

    vars["ARGS"].clear();

    for(int i = 0; i < args.count(); i++) {

        vars["ARGS"] += args[i];

        vars[QString::number(i+1)] = args[i];

    }

    bool ret = ParsableBlock::eval(proj, vars);

    functionReturn = return_value;

    //restore state

    calling_place = 0;

    return_value.clear();

    vars.clear();

    return ret;

}

//loops

struct IteratorBlock : public ParsableBlock

{

    IteratorBlock() : scope_level(1), loop_forever(false), cause_break(false), cause_next(false) { }

    int scope_level;

    struct Test {

        QString func;

        QStringList args;

        bool invert;

        parser_info pi;

        Test(const QString &f, QStringList &a, bool i) : func(f), args(a), invert(i) { pi = parser; }

    };

    QList<Test> test;

    QString variable;

    bool loop_forever, cause_break, cause_next;

    QStringList list;

    bool exec(QMakeProject *p, QMap<QString, QStringList> &place);

    virtual bool continueBlock() { return !cause_next && !cause_break; }

};

bool IteratorBlock::exec(QMakeProject *p, QMap<QString, QStringList> &place)

{

    bool ret = true;

    QStringList::Iterator it;

    if(!loop_forever)

        it = list.begin();

    int iterate_count = 0;

    //save state

    IteratorBlock *saved_iterator = p->iterator;

    p->iterator = this;

    //do the loop

    while(loop_forever || it != list.end()) {

        cause_next = cause_break = false;

        if(!loop_forever && (*it).isEmpty()) { //ignore empty items

            ++it;

            continue;

        }

        //set up the loop variable

        QStringList va;

        if(!variable.isEmpty()) {

            va = place[variable];

            if(loop_forever)

                place[variable] = QStringList(QString::number(iterate_count));

            else

                place[variable] = QStringList(*it);

        }

        //do the iterations

        bool succeed = true;

        for(QList<Test>::Iterator test_it = test.begin(); test_it != test.end(); ++test_it) {

            parser = (*test_it).pi;

            succeed = p->doProjectTest((*test_it).func, (*test_it).args, place);

            if((*test_it).invert)

                succeed = !succeed;

            if(!succeed)

                break;

        }

        if(succeed)

            ret = ParsableBlock::eval(p, place);

        //restore the variable in the map

        if(!variable.isEmpty())

            place[variable] = va;

        //loop counters

        if(!loop_forever)

            ++it;

        iterate_count++;

        if(!ret || cause_break)

            break;

    }

    //restore state

    p->iterator = saved_iterator;

    return ret;

}

QMakeProject::ScopeBlock::~ScopeBlock()

{

#if 0

    if(iterate)

        delete iterate;

#endif

}

static void qmake_error_msg(const QString &msg)

{

    fprintf(stderr, "%s:%d: %s\n", parser.file.toLatin1().constData(), parser.line_no,

            msg.toLatin1().constData());

}

enum isForSymbian_enum {

    isForSymbian_NOT_SET = -1,

    isForSymbian_FALSE = 0,

    isForSymbian_ABLD = 1,

    isForSymbian_SBSV2 = 2,

};

static isForSymbian_enum isForSymbian_value = isForSymbian_NOT_SET;

// Checking for symbian build is primarily determined from the qmake spec,

// but if that is not specified, detect if symbian is the default spec

// by checking the MAKEFILE_GENERATOR variable value.

static void init_symbian(const QMap<QString, QStringList>& vars)

{

    if (isForSymbian_value != isForSymbian_NOT_SET)

        return;

    QString spec = QFileInfo(Option::mkfile::qmakespec).fileName();

    if (spec.startsWith("symbian-abld", Qt::CaseInsensitive)) {

        isForSymbian_value = isForSymbian_ABLD;

    } else if (spec.startsWith("symbian-sbsv2", Qt::CaseInsensitive)) {

        isForSymbian_value = isForSymbian_SBSV2;

    } else {

        QStringList generatorList = vars["MAKEFILE_GENERATOR"];

        if (!generatorList.isEmpty()) {

            QString generator = generatorList.first();

            if (generator.startsWith("SYMBIAN_ABLD"))

                isForSymbian_value = isForSymbian_ABLD;

            else if (generator.startsWith("SYMBIAN_SBSV2"))

                isForSymbian_value = isForSymbian_SBSV2;

            else

                isForSymbian_value = isForSymbian_FALSE;

        } else {

            isForSymbian_value = isForSymbian_FALSE;

        }

    }

    // Force recursive on Symbian, as non-recursive is not really a viable option there

    if (isForSymbian_value != isForSymbian_FALSE)

        Option::recursive = true;

}

bool isForSymbian()

{

    // If isForSymbian_value has not been initialized explicitly yet,

    // call initializer with dummy map to check qmake spec.

    if (isForSymbian_value == isForSymbian_NOT_SET)

        init_symbian(QMap<QString, QStringList>());

    return (isForSymbian_value != isForSymbian_FALSE);

}

bool isForSymbianSbsv2()

{

    // If isForSymbian_value has not been initialized explicitly yet,

    // call initializer with dummy map to check qmake spec.

    if (isForSymbian_value == isForSymbian_NOT_SET)

        init_symbian(QMap<QString, QStringList>());

    return (isForSymbian_value == isForSymbian_SBSV2);

}

/*

   1) environment variable QMAKEFEATURES (as separated by colons)

   2) property variable QMAKEFEATURES (as separated by colons)

   3) <project_root> (where .qmake.cache lives) + FEATURES_DIR

   4) environment variable QMAKEPATH (as separated by colons) + /mkspecs/FEATURES_DIR

   5) your QMAKESPEC/features dir

   6) your data_install/mkspecs/FEATURES_DIR

   7) your QMAKESPEC/../FEATURES_DIR dir

   FEATURES_DIR is defined as:

   1) features/(unix|win32|macx)/

   2) features/

*/

QStringList qmake_feature_paths(QMakeProperty *prop=0)

{

    QStringList concat;

    {

        const QString base_concat = QDir::separator() + QString("features");

        switch(Option::target_mode) {

        case Option::TARG_MACX_MODE:                     //also a unix

            concat << base_concat + QDir::separator() + "mac";

            concat << base_concat + QDir::separator() + "macx";

            concat << base_concat + QDir::separator() + "unix";

            break;

        case Option::TARG_UNIX_MODE:

            {

                if (isForSymbian())

                    concat << base_concat + QDir::separator() + "symbian";

                else

                    concat << base_concat + QDir::separator() + "unix";

                break;

            }

        case Option::TARG_WIN_MODE:

            {

                if (isForSymbian())

                    concat << base_concat + QDir::separator() + "symbian";

                else

                    concat << base_concat + QDir::separator() + "win32";

                break;

            }

        case Option::TARG_MAC9_MODE:

            concat << base_concat + QDir::separator() + "mac";

            concat << base_concat + QDir::separator() + "mac9";

            break;

        }

        concat << base_concat;

    }

    const QString mkspecs_concat = QDir::separator() + QString("mkspecs");

    QStringList feature_roots;

    QByteArray mkspec_path = qgetenv("QMAKEFEATURES");

    if(!mkspec_path.isNull())

        feature_roots += splitPathList(QString::fromLocal8Bit(mkspec_path));

    if(prop)

        feature_roots += splitPathList(prop->value("QMAKEFEATURES"));

    if(!Option::mkfile::cachefile.isEmpty()) {

        QString path;

        int last_slash = Option::mkfile::cachefile.lastIndexOf(Option::dir_sep);

        if(last_slash != -1)

            path = Option::fixPathToLocalOS(Option::mkfile::cachefile.left(last_slash));

        for(QStringList::Iterator concat_it = concat.begin();

            concat_it != concat.end(); ++concat_it)

            feature_roots << (path + (*concat_it));

    }

    QByteArray qmakepath = qgetenv("QMAKEPATH");

    if (!qmakepath.isNull()) {

        const QStringList lst = splitPathList(QString::fromLocal8Bit(qmakepath));

        for(QStringList::ConstIterator it = lst.begin(); it != lst.end(); ++it) {

            for(QStringList::Iterator concat_it = concat.begin();

                concat_it != concat.end(); ++concat_it)

                    feature_roots << ((*it) + mkspecs_concat + (*concat_it));

        }

    }

    if(!Option::mkfile::qmakespec.isEmpty())

        feature_roots << Option::mkfile::qmakespec + QDir::separator() + "features";

    if(!Option::mkfile::qmakespec.isEmpty()) {

        QFileInfo specfi(Option::mkfile::qmakespec);

        QDir specdir(specfi.absoluteFilePath());

        while(!specdir.isRoot()) {

            if(!specdir.cdUp() || specdir.isRoot())

                break;

            if(QFile::exists(specdir.path() + QDir::separator() + "features")) {

                for(QStringList::Iterator concat_it = concat.begin();

                    concat_it != concat.end(); ++concat_it)

                    feature_roots << (specdir.path() + (*concat_it));

                break;

            }

        }

    }

    for(QStringList::Iterator concat_it = concat.begin();

        concat_it != concat.end(); ++concat_it)

        feature_roots << (QLibraryInfo::location(QLibraryInfo::PrefixPath) +

                          mkspecs_concat + (*concat_it));

    for(QStringList::Iterator concat_it = concat.begin();

        concat_it != concat.end(); ++concat_it)

        feature_roots << (QLibraryInfo::location(QLibraryInfo::DataPath) +

                          mkspecs_concat + (*concat_it));

    return feature_roots;

}

QStringList qmake_mkspec_paths()

{

    QStringList ret;

    const QString concat = QDir::separator() + QString("mkspecs");

    QByteArray qmakepath = qgetenv("QMAKEPATH");

    if (!qmakepath.isEmpty()) {

        const QStringList lst = splitPathList(QString::fromLocal8Bit(qmakepath));

        for(QStringList::ConstIterator it = lst.begin(); it != lst.end(); ++it)

            ret << ((*it) + concat);

    }

    ret << QLibraryInfo::location(QLibraryInfo::DataPath) + concat;

    return ret;

}

class QMakeProjectEnv

{

    QStringList envs;

public:

    QMakeProjectEnv() { }

    QMakeProjectEnv(QMakeProject *p) { execute(p->variables()); }

    QMakeProjectEnv(const QMap<QString, QStringList> &values) { execute(values); }

    void execute(QMakeProject *p) { execute(p->variables()); }

    void execute(const QMap<QString, QStringList> &values) {

#ifdef Q_OS_UNIX

        for(QMap<QString, QStringList>::ConstIterator it = values.begin(); it != values.end(); ++it) {

            const QString var = it.key(), val = it.value().join(" ");

            if(!var.startsWith(".")) {

                const QString env_var = Option::sysenv_mod + var;

                if(!putenv(strdup(QString(env_var + "=" + val).toAscii().data())))

                    envs.append(env_var);

            }

        }

#else

        Q_UNUSED(values);

#endif

    }

    ~QMakeProjectEnv() {

#ifdef Q_OS_UNIX

        for(QStringList::ConstIterator it = envs.begin();it != envs.end(); ++it) {

            putenv(strdup(QString(*it + "=").toAscii().data()));

        }

#endif

    }

};

QMakeProject::~QMakeProject()

{

    if(own_prop)

        delete prop;

    for(QMap<QString, FunctionBlock*>::iterator it = replaceFunctions.begin(); it != replaceFunctions.end(); ++it) {

        if(!it.value()->deref())

            delete it.value();

    }

    replaceFunctions.clear();

    for(QMap<QString, FunctionBlock*>::iterator it = testFunctions.begin(); it != testFunctions.end(); ++it) {

        if(!it.value()->deref())

            delete it.value();

    }

    testFunctions.clear();

}

void

QMakeProject::init(QMakeProperty *p, const QMap<QString, QStringList> *vars)

{

    if(vars)

        base_vars = *vars;

    if(!p) {

        prop = new QMakeProperty;

        own_prop = true;

    } else {

        prop = p;

        own_prop = false;

    }

    reset();

}

QMakeProject::QMakeProject(QMakeProject *p, const QMap<QString, QStringList> *vars)

{

    init(p->properties(), vars ? vars : &p->variables());

    for(QMap<QString, FunctionBlock*>::iterator it = p->replaceFunctions.begin(); it != p->replaceFunctions.end(); ++it) {

        it.value()->ref();

        replaceFunctions.insert(it.key(), it.value());

    }

    for(QMap<QString, FunctionBlock*>::iterator it = p->testFunctions.begin(); it != p->testFunctions.end(); ++it) {

        it.value()->ref();

        testFunctions.insert(it.key(), it.value());

    }

}

void

QMakeProject::reset()

{

    // scope_blocks starts with one non-ignoring entity

    scope_blocks.clear();

    scope_blocks.push(ScopeBlock());

    iterator = 0;

    function = 0;

}

bool

QMakeProject::parse(const QString &t, QMap<QString, QStringList> &place, int numLines)

{

    QString s = t.simplified();

    int hash_mark = s.indexOf("#");

    if(hash_mark != -1) //good bye comments

        s = s.left(hash_mark);

    if(s.isEmpty()) // blank_line

        return true;

    if(scope_blocks.top().ignore) {

        bool continue_parsing = false;

        // adjust scope for each block which appears on a single line

        for(int i = 0; i < s.length(); i++) {

            if(s[i] == '{') {

                scope_blocks.push(ScopeBlock(true));

            } else if(s[i] == '}') {

                if(scope_blocks.count() == 1) {

                    fprintf(stderr, "Braces mismatch %s:%d\n", parser.file.toLatin1().constData(), parser.line_no);

                    return false;

                }

                ScopeBlock sb = scope_blocks.pop();

                if(sb.iterate) {

                    sb.iterate->exec(this, place);

                    delete sb.iterate;

                    sb.iterate = 0;

                }

                if(!scope_blocks.top().ignore) {

                    debug_msg(1, "Project Parser: %s:%d : Leaving block %d", parser.file.toLatin1().constData(),

                              parser.line_no, scope_blocks.count()+1);

                    s = s.mid(i+1).trimmed();

                    continue_parsing = !s.isEmpty();

                    break;

                }

            }

        }

        if(!continue_parsing) {

            debug_msg(1, "Project Parser: %s:%d : Ignored due to block being false.",

                      parser.file.toLatin1().constData(), parser.line_no);

            return true;

        }

    }

    if(function) {

        QString append;

        int d_off = 0;

        const QChar *d = s.unicode();

        bool function_finished = false;

        while(d_off < s.length()) {

            if(*(d+d_off) == QLatin1Char('}')) {

                function->scope_level--;

                if(!function->scope_level) {

                    function_finished = true;

                    break;

                }

            } else if(*(d+d_off) == QLatin1Char('{')) {

                function->scope_level++;

            }

            append += *(d+d_off);

            ++d_off;

        }

        if(!append.isEmpty())

            function->parselist.append(IteratorBlock::Parse(append));

        if(function_finished) {

            function = 0;

            s = QString(d+d_off, s.length()-d_off);

        } else {

            return true;

        }

    } else if(IteratorBlock *it = scope_blocks.top().iterate) {

        QString append;

        int d_off = 0;

        const QChar *d = s.unicode();

        bool iterate_finished = false;

        while(d_off < s.length()) {

            if(*(d+d_off) == QLatin1Char('}')) {

                it->scope_level--;

                if(!it->scope_level) {

                    iterate_finished = true;

                    break;

                }

            } else if(*(d+d_off) == QLatin1Char('{')) {

                it->scope_level++;

            }

            append += *(d+d_off);

            ++d_off;

        }

        if(!append.isEmpty())

            scope_blocks.top().iterate->parselist.append(IteratorBlock::Parse(append));

        if(iterate_finished) {

            scope_blocks.top().iterate = 0;

            bool ret = it->exec(this, place);

            delete it;

            if(!ret)

                return false;

            s = s.mid(d_off);

        } else {

            return true;

        }

    }

    QString scope, var, op;

    QStringList val;

#define SKIP_WS(d, o, l) while(o < l && (*(d+o) == QLatin1Char(' ') || *(d+o) == QLatin1Char('\t'))) ++o

    const QChar *d = s.unicode();

    int d_off = 0;

    SKIP_WS(d, d_off, s.length());

    IteratorBlock *iterator = 0;

    bool scope_failed = false, else_line = false, or_op=false;

    QChar quote = 0;

    int parens = 0, scope_count=0, start_block = 0;

    while(d_off < s.length()) {

        if(!parens) {

            if(*(d+d_off) == QLatin1Char('='))

                break;

            if(*(d+d_off) == QLatin1Char('+') || *(d+d_off) == QLatin1Char('-') ||

               *(d+d_off) == QLatin1Char('*') || *(d+d_off) == QLatin1Char('~')) {

                if(*(d+d_off+1) == QLatin1Char('=')) {

                    break;

                } else if(*(d+d_off+1) == QLatin1Char(' ')) {

                    const QChar *k = d+d_off+1;

                    int k_off = 0;

                    SKIP_WS(k, k_off, s.length()-d_off);

                    if(*(k+k_off) == QLatin1Char('=')) {

                        QString msg;

                        qmake_error_msg(QString(d+d_off, 1) + "must be followed immediately by =");

                        return false;

                    }

                }

            }

        }

        if(!quote.isNull()) {

            if(*(d+d_off) == quote)

                quote = QChar();

        } else if(*(d+d_off) == '(') {

            ++parens;

        } else if(*(d+d_off) == ')') {

            --parens;

        } else if(*(d+d_off) == '"' /*|| *(d+d_off) == '\''*/) {

            quote = *(d+d_off);

        }

        if(!parens && quote.isNull() &&

           (*(d+d_off) == QLatin1Char(':') || *(d+d_off) == QLatin1Char('{') ||

            *(d+d_off) == QLatin1Char(')') || *(d+d_off) == QLatin1Char('|'))) {

            scope_count++;

            scope = var.trimmed();

            if(*(d+d_off) == QLatin1Char(')'))

                scope += *(d+d_off); // need this

            var = "";

            bool test = scope_failed;

            if(scope.isEmpty()) {

                test = true;

            } else if(scope.toLower() == "else") { //else is a builtin scope here as it modifies state

                if(scope_count != 1 || scope_blocks.top().else_status == ScopeBlock::TestNone) {

                    qmake_error_msg(("Unexpected " + scope + " ('" + s + "')").toLatin1());

                    return false;

                }

                else_line = true;

                test = (scope_blocks.top().else_status == ScopeBlock::TestSeek);

                debug_msg(1, "Project Parser: %s:%d : Else%s %s.", parser.file.toLatin1().constData(), parser.line_no,

                          scope == "else" ? "" : QString(" (" + scope + ")").toLatin1().constData(),

                          test ? "considered" : "excluded");

            } else {

                QString comp_scope = scope;

                bool invert_test = (comp_scope.at(0) == QLatin1Char('!'));

                if(invert_test)

                    comp_scope = comp_scope.mid(1);

                int lparen = comp_scope.indexOf('(');

                if(or_op == scope_failed) {

                    if(lparen != -1) { // if there is an lparen in the scope, it IS a function

                        int rparen = comp_scope.lastIndexOf(')');

                        if(rparen == -1) {

                            qmake_error_msg("Function missing right paren: " + comp_scope);

                            return false;

                        }

                        QString func = comp_scope.left(lparen);

                        QStringList args = split_arg_list(comp_scope.mid(lparen+1, rparen - lparen - 1));

                        if(function) {

                            fprintf(stderr, "%s:%d: No tests can come after a function definition!\n",

                                    parser.file.toLatin1().constData(), parser.line_no);

                            return false;

                        } else if(func == "for") { //for is a builtin function here, as it modifies state

                            if(args.count() > 2 || args.count() < 1) {

                                fprintf(stderr, "%s:%d: for(iterate, list) requires two arguments.\n",

                                        parser.file.toLatin1().constData(), parser.line_no);

                                return false;

                            } else if(iterator) {

                                fprintf(stderr, "%s:%d unexpected nested for()\n",

                                        parser.file.toLatin1().constData(), parser.line_no);

                                return false;

                            }

                            iterator = new IteratorBlock;

                            QString it_list;

                            if(args.count() == 1) {

                                doVariableReplace(args[0], place);

                                it_list = args[0];

                                if(args[0] != "ever") {

                                    delete iterator;

                                    iterator = 0;

                                    fprintf(stderr, "%s:%d: for(iterate, list) requires two arguments.\n",

                                            parser.file.toLatin1().constData(), parser.line_no);

                                    return false;

                                }

                                it_list = "forever";

                            } else if(args.count() == 2) {

                                iterator->variable = args[0];

                                doVariableReplace(args[1], place);

                                it_list = args[1];

                            }

                            QStringList list = place[it_list];

                            if(list.isEmpty()) {

                                if(it_list == "forever") {

                                    iterator->loop_forever = true;

                                } else {

                                    int dotdot = it_list.indexOf("..");

                                    if(dotdot != -1) {

                                        bool ok;

                                        int start = it_list.left(dotdot).toInt(&ok);

                                        if(ok) {

                                            int end = it_list.mid(dotdot+2).toInt(&ok);

                                            if(ok) {

                                                if(start < end) {

                                                    for(int i = start; i <= end; i++)

                                                        list << QString::number(i);

                                                } else {

                                                    for(int i = start; i >= end; i--)

                                                        list << QString::number(i);

                                                }

                                            }

                                        }

                                    }

                                }

                            }

                            iterator->list = list;

                            test = !invert_test;

                        } else if(iterator) {

                            iterator->test.append(IteratorBlock::Test(func, args, invert_test));

                            test = !invert_test;

                        } else if(func == "defineTest" || func == "defineReplace") {

                            if(!function_blocks.isEmpty()) {

                                fprintf(stderr,

                                        "%s:%d: cannot define a function within another definition.\n",

                                        parser.file.toLatin1().constData(), parser.line_no);

                                return false;

                            }

                            if(args.count() != 1) {

                                fprintf(stderr, "%s:%d: %s(function_name) requires one argument.\n",

                                        parser.file.toLatin1().constData(), parser.line_no, func.toLatin1().constData());

                                return false;

                            }

                            QMap<QString, FunctionBlock*> *map = 0;

                            if(func == "defineTest")

                                map = &testFunctions;

                            else

                                map = &replaceFunctions;

#if 0

                            if(!map || map->contains(args[0])) {

                                fprintf(stderr, "%s:%d: Function[%s] multiply defined.\n",

                                        parser.file.toLatin1().constData(), parser.line_no, args[0].toLatin1().constData());

                                return false;

                            }

#endif

                            function = new FunctionBlock;

                            map->insert(args[0], function);

                            test = true;

                        } else {

                            test = doProjectTest(func, args, place);

                            if(*(d+d_off) == QLatin1Char(')') && d_off == s.length()-1) {

                                if(invert_test)

                                    test = !test;

                                scope_blocks.top().else_status =

                                    (test ? ScopeBlock::TestFound : ScopeBlock::TestSeek);

                                return true;  // assume we are done

                            }

                        }

                    } else {

                        QString cscope = comp_scope.trimmed();

                        doVariableReplace(cscope, place);

                        test = isActiveConfig(cscope.trimmed(), true, &place);

                    }

                    if(invert_test)

                        test = !test;

                }

            }

            if(!test && !scope_failed)

                debug_msg(1, "Project Parser: %s:%d : Test (%s) failed.", parser.file.toLatin1().constData(),

                          parser.line_no, scope.toLatin1().constData());

            if(test == or_op)

                scope_failed = !test;

            or_op = (*(d+d_off) == QLatin1Char('|'));

            if(*(d+d_off) == QLatin1Char('{')) { // scoping block

                start_block++;

                if(iterator) {

                    for(int off = 0, braces = 0; true; ++off) {

                        if(*(d+d_off+off) == QLatin1Char('{'))

                            ++braces;

                        else if(*(d+d_off+off) == QLatin1Char('}') && braces)

                            --braces;

                        if(!braces || d_off+off == s.length()) {

                            iterator->parselist.append(s.mid(d_off, off-1));

                            if(braces > 1)

                                iterator->scope_level += braces-1;

                            d_off += off-1;

                            break;

                        }

                    }

                }

            }

        } else if(!parens && *(d+d_off) == QLatin1Char('}')) {

            if(start_block) {

                --start_block;

            } else if(!scope_blocks.count()) {

                warn_msg(WarnParser, "Possible braces mismatch %s:%d", parser.file.toLatin1().constData(), parser.line_no);

            } else {

                if(scope_blocks.count() == 1) {

                    fprintf(stderr, "Braces mismatch %s:%d\n", parser.file.toLatin1().constData(), parser.line_no);

                    return false;

                }

                debug_msg(1, "Project Parser: %s:%d : Leaving block %d", parser.file.toLatin1().constData(),

                          parser.line_no, scope_blocks.count());

                ScopeBlock sb = scope_blocks.pop();

                if(sb.iterate)

                    sb.iterate->exec(this, place);

            }

        } else {

            var += *(d+d_off);

        }

        ++d_off;

    }

    var = var.trimmed();

    if(!else_line || (else_line && !scope_failed))

        scope_blocks.top().else_status = (!scope_failed ? ScopeBlock::TestFound : ScopeBlock::TestSeek);

    if(start_block) {

        ScopeBlock next_block(scope_failed);

        next_block.iterate = iterator;

        if(iterator)

            next_block.else_status = ScopeBlock::TestNone;

        else if(scope_failed)

            next_block.else_status = ScopeBlock::TestSeek;

        else

            next_block.else_status = ScopeBlock::TestFound;

        scope_blocks.push(next_block);

        debug_msg(1, "Project Parser: %s:%d : Entering block %d (%d). [%s]", parser.file.toLatin1().constData(),

                  parser.line_no, scope_blocks.count(), scope_failed, s.toLatin1().constData());

    } else if(iterator) {

        iterator->parselist.append(var+s.mid(d_off));

        bool ret = iterator->exec(this, place);

        delete iterator;

        return ret;

    }

    if((!scope_count && !var.isEmpty()) || (scope_count == 1 && else_line))

        scope_blocks.top().else_status = ScopeBlock::TestNone;

    if(d_off == s.length()) {

        if(!var.trimmed().isEmpty())

            qmake_error_msg(("Parse Error ('" + s + "')").toLatin1());

        return var.isEmpty(); // allow just a scope

    }

    SKIP_WS(d, d_off, s.length());

    for(; d_off < s.length() && op.indexOf('=') == -1; op += *(d+(d_off++)))

        ;

    op.replace(QRegExp("\\s"), "");

    SKIP_WS(d, d_off, s.length());

    QString vals = s.mid(d_off); // vals now contains the space separated list of values

    int rbraces = vals.count('}'), lbraces = vals.count('{');

    if(scope_blocks.count() > 1 && rbraces - lbraces == 1) {

        debug_msg(1, "Project Parser: %s:%d : Leaving block %d", parser.file.toLatin1().constData(),

                  parser.line_no, scope_blocks.count());

        ScopeBlock sb = scope_blocks.pop();

        if(sb.iterate)

            sb.iterate->exec(this, place);

        vals.truncate(vals.length()-1);

    } else if(rbraces != lbraces) {

        warn_msg(WarnParser, "Possible braces mismatch {%s} %s:%d",

                 vals.toLatin1().constData(), parser.file.toLatin1().constData(), parser.line_no);

    }

    if(scope_failed)

        return true; // oh well

#undef SKIP_WS

    doVariableReplace(var, place);

    var = varMap(var); //backwards compatability

    if(!var.isEmpty() && Option::mkfile::do_preprocess) {

        static QString last_file("*none*");

        if(parser.file != last_file) {

            fprintf(stdout, "#file %s:%d\n", parser.file.toLatin1().constData(), parser.line_no);

            last_file = parser.file;

        }

        fprintf(stdout, "%s %s %s\n", var.toLatin1().constData(), op.toLatin1().constData(), vals.toLatin1().constData());

    }

    if(vals.contains('=') && numLines > 1)

        warn_msg(WarnParser, "Detected possible line continuation: {%s} %s:%d",

                 var.toLatin1().constData(), parser.file.toLatin1().constData(), parser.line_no);

    QStringList &varlist = place[var]; // varlist is the list in the symbol table

    if(Option::debug_level >= 1) {

        QString tmp_vals = vals;

        doVariableReplace(tmp_vals, place);

        debug_msg(1, "Project Parser: %s:%d :%s: :%s: (%s)", parser.file.toLatin1().constData(), parser.line_no,

                  var.toLatin1().constData(), op.toLatin1().constData(), tmp_vals.toLatin1().constData());

    }

    // now do the operation

    if(op == "~=") {

        doVariableReplace(vals, place);

        if(vals.length() < 4 || vals.at(0) != 's') {

            qmake_error_msg(("~= operator only can handle s/// function ('" +

                            s + "')").toLatin1());

            return false;

        }

        QChar sep = vals.at(1);

        QStringList func = vals.split(sep);

        if(func.count() < 3 || func.count() > 4) {

            qmake_error_msg(("~= operator only can handle s/// function ('" +

                s + "')").toLatin1());

            return false;

        }

        bool global = false, case_sense = true, quote = false;

        if(func.count() == 4) {

            global = func[3].indexOf('g') != -1;

            case_sense = func[3].indexOf('i') == -1;

            quote = func[3].indexOf('q') != -1;

        }

        QString from = func[1], to = func[2];

        if(quote)

            from = QRegExp::escape(from);

        QRegExp regexp(from, case_sense ? Qt::CaseSensitive : Qt::CaseInsensitive);

        for(QStringList::Iterator varit = varlist.begin(); varit != varlist.end();) {

            if((*varit).contains(regexp)) {

                (*varit) = (*varit).replace(regexp, to);

                if ((*varit).isEmpty())

                    varit = varlist.erase(varit);

                else

                    ++varit;

                if(!global)

                    break;

            } else

                ++varit;

        }

    } else {

        QStringList vallist;

        {

            //doVariableReplace(vals, place);

            QStringList tmp = split_value_list(vals, (var == "DEPENDPATH" || var == "INCLUDEPATH"));

            for(int i = 0; i < tmp.size(); ++i)

                vallist += doVariableReplaceExpand(tmp[i], place);

        }

        if(op == "=") {

            if(!varlist.isEmpty()) {

                bool send_warning = false;

                if(var != "TEMPLATE" && var != "TARGET") {

                    QSet<QString> incoming_vals = vallist.toSet();

                    for(int i = 0; i < varlist.size(); ++i) {

                        const QString var = varlist.at(i).trimmed();

                        if(!var.isEmpty() && !incoming_vals.contains(var)) {

                            send_warning = true;

                            break;

                        }

                    }

                }

                if(send_warning)

                    warn_msg(WarnParser, "Operator=(%s) clears variables previously set: %s:%d",

                             var.toLatin1().constData(), parser.file.toLatin1().constData(), parser.line_no);

            }

            varlist.clear();

        }

        for(QStringList::ConstIterator valit = vallist.begin();

            valit != vallist.end(); ++valit) {

            if((*valit).isEmpty())

                continue;

            if((op == "*=" && !varlist.contains((*valit))) ||

               op == "=" || op == "+=")

                varlist.append((*valit));

            else if(op == "-=")

                varlist.removeAll((*valit));

        }

        if(var == "REQUIRES") // special case to get communicated to backends!

            doProjectCheckReqs(vallist, place);

    }

    return true;

}

bool

QMakeProject::read(QTextStream &file, QMap<QString, QStringList> &place)

{

    int numLines = 0;

    bool ret = true;

    QString s;

    while(!file.atEnd()) {

        parser.line_no++;

        QString line = file.readLine().trimmed();

        int prelen = line.length();

        int hash_mark = line.indexOf("#");

        if(hash_mark != -1) //good bye comments

            line = line.left(hash_mark).trimmed();

        if(!line.isEmpty() && line.right(1) == "\\") {

            if(!line.startsWith("#")) {

                line.truncate(line.length() - 1);

                s += line + Option::field_sep;

                ++numLines;

            }

        } else if(!line.isEmpty() || (line.isEmpty() && !prelen)) {

            if(s.isEmpty() && line.isEmpty())

                continue;

            if(!line.isEmpty()) {

                s += line;

                ++numLines;

            }

            if(!s.isEmpty()) {

                if(!(ret = parse(s, place, numLines))) {

                    s = "";

                    numLines = 0;

                    break;

                }

                s = "";

                numLines = 0;

            }

        }

    }

    if (!s.isEmpty())

        ret = parse(s, place, numLines);

    return ret;

}

bool

QMakeProject::read(const QString &file, QMap<QString, QStringList> &place)

{

    parser_info pi = parser;

    reset();

    const QString oldpwd = qmake_getpwd();

    QString filename = Option::fixPathToLocalOS(file);

    doVariableReplace(filename, place);

    bool ret = false, using_stdin = false;

    QFile qfile;

    if(!strcmp(filename.toLatin1(), "-")) {

        qfile.setFileName("");

        ret = qfile.open(stdin, QIODevice::ReadOnly);

        using_stdin = true;

    } else if(QFileInfo(file).isDir()) {

        return false;

    } else {

        qfile.setFileName(filename);

        ret = qfile.open(QIODevice::ReadOnly);

        qmake_setpwd(QFileInfo(filename).absolutePath());

    }

    if(ret) {

        parser_info pi = parser;

        parser.from_file = true;

        parser.file = filename;

        parser.line_no = 0;

        QTextStream t(&qfile);

        ret = read(t, place);

        if(!using_stdin)

            qfile.close();

    }

    if(scope_blocks.count() != 1) {

        qmake_error_msg("Unterminated conditional block at end of file");

        ret = false;

    }

    parser = pi;

    qmake_setpwd(oldpwd);

    return ret;

}

bool

QMakeProject::read(const QString &project, uchar cmd)

{

    pfile = QFileInfo(project).absoluteFilePath();

    return read(cmd);

}

bool

QMakeProject::read(uchar cmd)

{

    if(cfile.isEmpty()) {

        //find out where qmake (myself) lives

        if (!base_vars.contains("QMAKE_QMAKE")) {

            if (!Option::qmake_abslocation.isNull())

                base_vars["QMAKE_QMAKE"] = QStringList(Option::qmake_abslocation);

            else

                base_vars["QMAKE_QMAKE"] = QStringList("qmake");

        }

        // hack to get the Option stuff in there

        base_vars["QMAKE_EXT_OBJ"] = QStringList(Option::obj_ext);

        base_vars["QMAKE_EXT_CPP"] = Option::cpp_ext;

        base_vars["QMAKE_EXT_C"] = Option::c_ext;

        base_vars["QMAKE_EXT_H"] = Option::h_ext;

        base_vars["QMAKE_SH"] = Option::shellPath;

        if(!Option::user_template_prefix.isEmpty())

            base_vars["TEMPLATE_PREFIX"] = QStringList(Option::user_template_prefix);

        if(cmd & ReadCache && Option::mkfile::do_cache) {        // parse the cache

            int cache_depth = -1;

            QString qmake_cache = Option::mkfile::cachefile;

            if(qmake_cache.isEmpty())  { //find it as it has not been specified

                QString dir = QDir::toNativeSeparators(Option::output_dir);

                while(!QFile::exists((qmake_cache = dir + QDir::separator() + ".qmake.cache"))) {

                    dir = dir.left(dir.lastIndexOf(QDir::separator()));

                    if(dir.isEmpty() || dir.indexOf(QDir::separator()) == -1) {

                        qmake_cache = "";

                        break;

                    }

                    if(cache_depth == -1)

                        cache_depth = 1;

                    else

                        cache_depth++;

                }

            } else {

                QString abs_cache = QFileInfo(Option::mkfile::cachefile).absoluteDir().path();

                if(Option::output_dir.startsWith(abs_cache))

                    cache_depth = Option::output_dir.mid(abs_cache.length()).count('/');

            }

            if(!qmake_cache.isEmpty()) {

                if(read(qmake_cache, cache)) {

                    Option::mkfile::cachefile_depth = cache_depth;

                    Option::mkfile::cachefile = qmake_cache;

                    if(Option::mkfile::qmakespec.isEmpty() && !cache["QMAKESPEC"].isEmpty())

                        Option::mkfile::qmakespec = cache["QMAKESPEC"].first();

                }

            }

        }

        if(cmd & ReadConf) {             // parse mkspec

            QString qmakespec = fixEnvVariables(Option::mkfile::qmakespec);

            QStringList mkspec_roots = qmake_mkspec_paths();

            debug_msg(2, "Looking for mkspec %s in (%s)", qmakespec.toLatin1().constData(),

                      mkspec_roots.join("::").toLatin1().constData());

            if(qmakespec.isEmpty()) {

                for(QStringList::ConstIterator it = mkspec_roots.begin(); it != mkspec_roots.end(); ++it) {

                    QString mkspec = (*it) + QDir::separator() + "default";

                    QFileInfo default_info(mkspec);

                    if(default_info.exists() && default_info.isDir()) {

                        qmakespec = mkspec;

                        break;

                    }

                }

                if(qmakespec.isEmpty()) {

                    fprintf(stderr, "QMAKESPEC has not been set, so configuration cannot be deduced.\n");

                    return false;

                }

                Option::mkfile::qmakespec = qmakespec;

            }

            if(QDir::isRelativePath(qmakespec)) {

                if (QFile::exists(qmakespec+"/qmake.conf")) {

                    Option::mkfile::qmakespec = QFileInfo(Option::mkfile::qmakespec).absoluteFilePath();

                } else if (QFile::exists(Option::output_dir+"/"+qmakespec+"/qmake.conf")) {

                    qmakespec = Option::mkfile::qmakespec = QFileInfo(Option::output_dir+"/"+qmakespec).absoluteFilePath();

                } else {

                    bool found_mkspec = false;

                    for(QStringList::ConstIterator it = mkspec_roots.begin(); it != mkspec_roots.end(); ++it) {

                        QString mkspec = (*it) + QDir::separator() + qmakespec;

                        if(QFile::exists(mkspec)) {

                            found_mkspec = true;

                            Option::mkfile::qmakespec = qmakespec = mkspec;

                            break;

                        }

                    }

                    if(!found_mkspec) {

                        fprintf(stderr, "Could not find mkspecs for your QMAKESPEC(%s) after trying:\n\t%s\n",

                                qmakespec.toLatin1().constData(), mkspec_roots.join("\n\t").toLatin1().constData());

                        return false;

                    }

                }

            }

            // parse qmake configuration

            while(qmakespec.endsWith(QString(QChar(QDir::separator()))))

                qmakespec.truncate(qmakespec.length()-1);

            QString spec = qmakespec + QDir::separator() + "qmake.conf";

            if(!QFile::exists(spec) &&

               QFile::exists(qmakespec + QDir::separator() + "tmake.conf"))

                spec = qmakespec + QDir::separator() + "tmake.conf";

            debug_msg(1, "QMAKESPEC conf: reading %s", spec.toLatin1().constData());

            if(!read(spec, base_vars)) {

                fprintf(stderr, "Failure to read QMAKESPEC conf file %s.\n", spec.toLatin1().constData());

                return false;

            }

            init_symbian(base_vars);

            if(Option::mkfile::do_cache && !Option::mkfile::cachefile.isEmpty()) {

                debug_msg(1, "QMAKECACHE file: reading %s", Option::mkfile::cachefile.toLatin1().constData());

                read(Option::mkfile::cachefile, base_vars);

            }

        }

        if(cmd & ReadFeatures) {

            debug_msg(1, "Processing default_pre: %s", vars["CONFIG"].join("::").toLatin1().constData());

            if(doProjectInclude("default_pre", IncludeFlagFeature, base_vars) == IncludeNoExist)

                doProjectInclude("default", IncludeFlagFeature, base_vars);

        }

    }

    vars = base_vars; // start with the base

    //get a default

    if(pfile != "-" && vars["TARGET"].isEmpty())

        vars["TARGET"].append(QFileInfo(pfile).baseName());

    //before commandline

    if(cmd & ReadCmdLine) {

        cfile = pfile;

        parser.file = "(internal)";

        parser.from_file = false;

        parser.line_no = 1; //really arg count now.. duh

        reset();

        for(QStringList::ConstIterator it = Option::before_user_vars.begin();

            it != Option::before_user_vars.end(); ++it) {

            if(!parse((*it), vars)) {

                fprintf(stderr, "Argument failed to parse: %s\n", (*it).toLatin1().constData());

                return false;

            }

            parser.line_no++;

        }

    }

    //commandline configs

    if(cmd & ReadConfigs && !Option::user_configs.isEmpty()) {

        parser.file = "(configs)";

        parser.from_file = false;

        parser.line_no = 1; //really arg count now.. duh

        parse("CONFIG += " + Option::user_configs.join(" "), vars);

    }

    if(cmd & ReadProFile) { // parse project file

        debug_msg(1, "Project file: reading %s", pfile.toLatin1().constData());

        if(pfile != "-" && !QFile::exists(pfile) && !pfile.endsWith(Option::pro_ext))

            pfile += Option::pro_ext;

        if(!read(pfile, vars))

            return false;

    }

    if(cmd & ReadPostFiles) { // parse post files

        const QStringList l = vars["QMAKE_POST_INCLUDE_FILES"];

        for(QStringList::ConstIterator it = l.begin(); it != l.end(); ++it) {

            if(read((*it), vars)) {

                if(vars["QMAKE_INTERNAL_INCLUDED_FILES"].indexOf((*it)) == -1)

                    vars["QMAKE_INTERNAL_INCLUDED_FILES"].append((*it));

            }

        }

    }

    if(cmd & ReadCmdLine) {

        parser.file = "(internal)";

        parser.from_file = false;

        parser.line_no = 1; //really arg count now.. duh

        reset();

        for(QStringList::ConstIterator it = Option::after_user_vars.begin();

            it != Option::after_user_vars.end(); ++it) {

            if(!parse((*it), vars)) {

                fprintf(stderr, "Argument failed to parse: %s\n", (*it).toLatin1().constData());

                return false;

            }

            parser.line_no++;

        }

    }

    //after configs (set in BUILDS)

    if(cmd & ReadConfigs && !Option::after_user_configs.isEmpty()) {

        parser.file = "(configs)";

        parser.from_file = false;

        parser.line_no = 1; //really arg count now.. duh

        parse("CONFIG += " + Option::after_user_configs.join(" "), vars);

    }

    if(pfile != "-" && vars["TARGET"].isEmpty())

        vars["TARGET"].append(QFileInfo(pfile).baseName());

    if(cmd & ReadConfigs && !Option::user_configs.isEmpty()) {

        parser.file = "(configs)";

        parser.from_file = false;

        parser.line_no = 1; //really arg count now.. duh

        parse("CONFIG += " + Option::user_configs.join(" "), base_vars);

    }

    if(cmd & ReadFeatures) {

        debug_msg(1, "Processing default_post: %s", vars["CONFIG"].join("::").toLatin1().constData());

        doProjectInclude("default_post", IncludeFlagFeature, vars);

        QHash<QString, bool> processed;

        const QStringList &configs = vars["CONFIG"];

        debug_msg(1, "Processing CONFIG features: %s", configs.join("::").toLatin1().constData());

        while(1) {

            bool finished = true;

            for(int i = configs.size()-1; i >= 0; --i) {

		const QString config = configs[i].toLower();

                if(!processed.contains(config)) {

                    processed.insert(config, true);

                    if(doProjectInclude(config, IncludeFlagFeature, vars) == IncludeSuccess) {

                        finished = false;

                        break;

                    }

                }

            }

            if(finished)

                break;

        }

    }