QVector<rpp::pp_macro*> computeGccStandardMacros()
{
    QVector<rpp::pp_macro*> ret;
    //Get standard macros from gcc
    KProcess proc;
    proc.setOutputChannelMode(KProcess::MergedChannels);
    proc.setTextModeEnabled(true);

    // The output of the following gcc commands is several line in the format:
    // "#define MACRO [definition]", where definition may or may not be present.
    // Parsing each line sequentially, we can easily build the macro set.
    proc <<"gcc" <<"-xc++" <<"-E" <<"-dM" <<"/dev/null";

    if (proc.execute(5000) == 0) {
        QString line;
        while (proc.canReadLine()) {
            QByteArray buff = proc.readLine();
            if (!buff.isEmpty()) {
                line = buff;
                if (line.startsWith("#define ")) {
                    line = line.right(line.length() - 8).trimmed();
                    int pos = line.indexOf(' ');
                    
                    ret.append(new rpp::pp_macro);
                    
                    rpp::pp_macro& macro(*ret.back());
                    if (pos != -1) {
                        macro.name = IndexedString( line.left(pos) );
                        macro.setDefinitionText( line.right(line.length() - pos - 1).toUtf8() );
                    } else {
                        macro.name = IndexedString( line );
                    }
                }
            }
        }
    } else {
        kDebug(9007) <<"Unable to read standard c++ macro definitions from gcc:" <<QString(proc.readAll()) ;
    }
    return ret;
}
QStringList setupStandardIncludePaths()
{
    QStringList includePaths;
    
    KProcess proc;
    proc.setOutputChannelMode(KProcess::MergedChannels);
    proc.setTextModeEnabled(true);

    // The following command will spit out a bnuch of information we don't care
    // about before spitting out the include paths.  The parts we care about
    // look like this:
    // #include "..." search starts here:
    // #include <...> search starts here:
    //  /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2
    //  /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/i486-linux-gnu
    //  /usr/lib/gcc/i486-linux-gnu/4.1.2/../../../../include/c++/4.1.2/backward
    //  /usr/local/include
    //  /usr/lib/gcc/i486-linux-gnu/4.1.2/include
    //  /usr/include
    // End of search list.
    proc <<"gcc" <<"-xc++" <<"-E" <<"-v" <<"/dev/null";

    // We'll use the following constants to know what we're currently parsing.
    const short parsingInitial = 0;
    const short parsedFirstSearch = 1;
    const short parsingIncludes = 2;
    const short parsingFinished = 3;
    short parsingMode = parsingInitial;

    if (proc.execute(5000) == 0) {
        QString line;
        while (proc.canReadLine() && parsingMode != parsingFinished) {
            QByteArray buff = proc.readLine();
            if (!buff.isEmpty()) {
                line = buff;
                switch (parsingMode) {
                case parsingInitial:
                    if (line.indexOf("#include \"...\"") != -1) {
                        parsingMode = parsedFirstSearch;
                    }
                    break;
                case parsedFirstSearch:
                    if (line.indexOf("#include <...>") != -1) {
                        parsingMode = parsingIncludes;
                        break;
                    }
                case parsingIncludes:
                    //if (!line.indexOf(QDir::separator()) == -1 && line != "." ) {
                    //Detect the include-paths by the first space that is prepended. Reason: The list may contain relative paths like "."
                    if (!line.startsWith(" ") ) {
                        // We've reached the end of the list.
                        parsingMode = parsingFinished;
                    } else {
                        line = line.trimmed();
                        // This is an include path, add it to the list.
                        includePaths << QDir::cleanPath(line);
                    }
                    break;
                }
            }
        }
    } else {
        kDebug(9007) <<"Unable to read standard c++ macro definitions from gcc:" <<QString(proc.readAll()) ;
    }
    
    return includePaths;
}
示例#3
0
Defines MsvcCompiler::defines(const QString&) const
{
    Defines ret;
    //Get standard macros from kdevmsvcdefinehelpers
    KProcess proc;
    proc.setOutputChannelMode( KProcess::MergedChannels );
    proc.setTextModeEnabled( true );

    // we want to use kdevmsvcdefinehelper as a pseudo compiler backend which
    // returns the defines used in msvc. there is no such thing as -dM with cl.exe
    proc << path() << "/nologo" << "/Bxkdevmsvcdefinehelper" << "empty.cpp";

    // this will fail, so check on that as well
    if ( proc.execute( 5000 ) == 2 ) {
        QString line;
        proc.readLine(); // read the filename

        while ( proc.canReadLine() ) {
            QByteArray buff = proc.readLine();
            definesAndIncludesDebug() << "msvcstandardmacros:" << buff;
            if ( !buff.isEmpty() ) {
                line = buff;
                if ( line.startsWith( "#define " ) ) {
                    line = line.right( line.length() - 8 ).trimmed();
                    int pos = line.indexOf( ' ' );

                    if ( pos != -1 ) {
                        ret[line.left( pos )] = line.right( line.length() - pos - 1 ).toUtf8();
                    } else {
                        ret[line] = "";
                    }
                }
            }
        }
    } else {
        definesAndIncludesDebug() << "Unable to read standard c++ macro definitions from " + path();
        while ( proc.canReadLine() ){
            definesAndIncludesDebug()  << proc.readLine();
        }
        definesAndIncludesDebug()  << proc.exitCode();
    }

    // MSVC builtin attributes
    {
        ret["__cdecl"] = "";
        ret["__fastcall"] = "";
        ret["__stdcall"] = "";
        ret["__thiscall"] = "";
    }

    // MSVC builtin types
    // see http://msdn.microsoft.com/en-us/library/cc953fe1.aspx
    {
        ret["__int8"] = "char";
        ret["__int16"] = "short";
        ret["__int32"] = "int";
        ret["__int64"] = "long long";
        ret["__int16"] = "short";
        ret["__ptr32"] = "";
        ret["__ptr64"] = "";
    }

    // MSVC specific modifiers
    // see http://msdn.microsoft.com/en-us/library/vstudio/s04b5w00.aspx
    {
        ret["__sptr"] = "";
        ret["__uptr"] = "";
        ret["__unaligned"] = "";
        ret["__w64"] = "";
    }

    // MSVC function specifiers
    // see http://msdn.microsoft.com/de-de/library/z8y1yy88.aspx
    {
        ret["__inline"] = "";
        ret["__forceinline"] = "";
    }

    return ret;
}