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;
}
