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; }
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; }