// GetImportLibName
//------------------------------------------------------------------------------
void LinkerNode::GetImportLibName( const AString & args, AString & importLibName ) const
{
// split to individual tokens
Array< AString > tokens;
args.Tokenize( tokens );
const AString * const end = tokens.End();
for ( const AString * it = tokens.Begin(); it != end; ++it )
{
if ( LinkerNode::IsStartOfLinkerArg_MSVC( *it, "IMPLIB:" ) )
{
const char * impStart = it->Get() + 8;
const char * impEnd = it->GetEnd();
// if token is exactly /IMPLIB: then value is next token
if ( impStart == impEnd )
{
++it;
// handle missing next value
if ( it == end )
{
return; // we just pretend it doesn't exist and let the linker complain
}
impStart = it->Get();
impEnd = it->GetEnd();
}
Args::StripQuotes( impStart, impEnd, importLibName );
}
}
}
// GetExtraOutputPaths
//------------------------------------------------------------------------------
void FunctionObjectList::GetExtraOutputPaths( const AString & args, AString & pdbPath, AString & asmPath ) const
{
// split to individual tokens
Array< AString > tokens;
args.Tokenize( tokens );
const AString * const end = tokens.End();
for ( const AString * it = tokens.Begin(); it != end; ++it )
{
if ( ObjectNode::IsStartOfCompilerArg_MSVC( *it, "Fd" ) )
{
GetExtraOutputPath( it, end, "Fd", pdbPath );
continue;
}
if ( ObjectNode::IsStartOfCompilerArg_MSVC( *it, "Fa" ) )
{
GetExtraOutputPath( it, end, "Fa", asmPath );
continue;
}
}
}
// ExtractIntellisenseOptions
//------------------------------------------------------------------------------
/*static*/ void ProjectGeneratorBase::ExtractIntellisenseOptions( const AString & compilerArgs,
const char * option,
const char * alternateOption,
Array< AString > & outOptions,
bool escapeQuotes )
{
ASSERT( option );
Array< AString > tokens;
compilerArgs.Tokenize( tokens );
const size_t optionLen = AString::StrLen( option );
const size_t alternateOptionLen = alternateOption ? AString::StrLen( alternateOption ) : 0;
for ( size_t i=0; i<tokens.GetSize(); ++i )
{
AString & token = tokens[ i ];
// strip quotes around token, e.g: "-IFolder/Folder"
if ( token.BeginsWith( '"' ) && token.EndsWith( '"' ) )
{
token.Assign( token.Get() + 1, token.GetEnd() - 1 );
}
AStackString<> optionBody;
// Handle space between option and payload
if ( ( token == option ) || ( token == alternateOption ) )
{
// Handle an incomplete token at the end of list
if ( i == ( tokens.GetSize() - 1 ) )
{
break;
}
// Use next token
optionBody = tokens[ i + 1 ];
}
else if ( token.BeginsWith( option ) )
{
// use everything after token
optionBody.Assign( token.Get() + optionLen );
}
else if ( alternateOption && token.BeginsWith( alternateOption ) )
{
// use everything after token
optionBody.Assign( token.Get() + alternateOptionLen );
}
// Strip quotes around body (e.g. -I"Folder/Folder")
if ( optionBody.BeginsWith( '"' ) && optionBody.EndsWith( '"' ) )
{
optionBody.Trim( 1, 1 );
}
// Did we find something?
if ( optionBody.IsEmpty() == false )
{
if ( escapeQuotes )
{
optionBody.Replace( "\"", "\\\"" );
}
outOptions.Append( optionBody );
}
}
}
// GetOtherLibraries
//------------------------------------------------------------------------------
bool LinkerNode::GetOtherLibraries( NodeGraph & nodeGraph,
const BFFIterator & iter,
const Function * function,
const AString & args,
Dependencies & otherLibraries,
bool msvc ) const
{
// split to individual tokens
Array< AString > tokens;
args.Tokenize( tokens );
bool ignoreAllDefaultLibs = false;
Array< AString > defaultLibsToIgnore( 8, true );
Array< AString > defaultLibs( 16, true );
Array< AString > libs( 16, true );
Array< AString > dashlLibs( 16, true );
Array< AString > libPaths( 16, true );
Array< AString > envLibPaths( 32, true );
// extract lib path from system if present
AStackString< 1024 > libVar;
if ( Env::GetEnvVariable( "LIB", libVar ) )
{
libVar.Tokenize( envLibPaths, ';' );
}
const AString * const end = tokens.End();
for ( const AString * it = tokens.Begin(); it != end; ++it )
{
const AString & token = *it;
// MSVC style
if ( msvc )
{
// /NODEFAULTLIB
if ( LinkerNode::IsLinkerArg_MSVC( token, "NODEFAULTLIB" ) )
{
ignoreAllDefaultLibs = true;
continue;
}
// /NODEFAULTLIB:
if ( GetOtherLibsArg( "NODEFAULTLIB:", defaultLibsToIgnore, it, end, false, msvc ) )
{
continue;
}
// /DEFAULTLIB:
if ( GetOtherLibsArg( "DEFAULTLIB:", defaultLibs, it, end, false, msvc ) )
{
continue;
}
// /LIBPATH:
if ( GetOtherLibsArg( "LIBPATH:", libPaths, it, end, true, msvc ) ) // true = canonicalize path
{
continue;
}
// some other linker argument?
if ( token.BeginsWith( '/' ) || token.BeginsWith( '-' ) )
{
continue;
}
}
// GCC/SNC style
if ( !msvc )
{
// We don't need to check for this, as there is no default lib passing on
// the cmd line.
// -nodefaultlibs
//if ( token == "-nodefaultlibs" )
//{
// ignoreAllDefaultLibs = true;
// continue;
//}
// -L (lib path)
if ( GetOtherLibsArg( "L", libPaths, it, end, false, msvc ) )
{
continue;
}
// -l (lib)
if ( GetOtherLibsArg( "l", dashlLibs, it, end, false, msvc ) )
{
continue;
}
// some other linker argument?
if ( token.BeginsWith( '-' ) )
{
continue;
}
}
// build time substitution?
if ( token.BeginsWith( '%' ) || // %1
token.BeginsWith( "'%" ) || // '%1'
token.BeginsWith( "\"%" ) ) // "%1"
{
continue;
}
// anything left is an input to the linker
AStackString<> libName;
Args::StripQuotes( token.Get(), token.GetEnd(), libName );
if ( token.IsEmpty() == false )
{
libs.Append( libName );
}
}
// filter default libs
if ( ignoreAllDefaultLibs )
{
// filter all default libs
defaultLibs.Clear();
}
else
{
// filter specifically listed default libs
const AString * const endI = defaultLibsToIgnore.End();
for ( const AString * itI = defaultLibsToIgnore.Begin(); itI != endI; ++itI )
{
const AString * const endD = defaultLibs.End();
for ( AString * itD = defaultLibs.Begin(); itD != endD; ++itD )
{
if ( itI->CompareI( *itD ) == 0 )
{
defaultLibs.Erase( itD );
break;
}
}
}
}
if ( !msvc )
{
// convert -l<name> style libs to lib<name>.a
const AString * const endDL = dashlLibs.End();
for ( const AString * itDL = dashlLibs.Begin(); itDL != endDL; ++itDL )
{
AStackString<> libName;
libName += "lib";
libName += *itDL;
libName += ".a";
libs.Append( libName );
}
}
// any remaining default libs are treated the same as libs
libs.Append( defaultLibs );
// use Environment libpaths if found (but used after LIBPATH provided ones)
libPaths.Append( envLibPaths );
// convert libs to nodes
const AString * const endL = libs.End();
for ( const AString * itL = libs.Begin(); itL != endL; ++itL )
{
bool found = false;
// is the file a full path?
if ( ( itL->GetLength() > 2 ) && ( (*itL)[ 1 ] == ':' ) )
{
// check file exists in current location
if ( !GetOtherLibrary( nodeGraph, iter, function, otherLibraries, AString::GetEmpty(), *itL, found ) )
{
return false; // GetOtherLibrary will have emitted error
}
}
else
{
// check each libpath
const AString * const endP = libPaths.End();
for ( const AString * itP = libPaths.Begin(); itP != endP; ++itP )
{
if ( !GetOtherLibrary( nodeGraph, iter, function, otherLibraries, *itP, *itL, found ) )
{
return false; // GetOtherLibrary will have emitted error
}
if ( found )
{
break;
}
// keep searching lib paths...
}
}
// file does not exist on disk, and there is no rule to build it
// Don't complain about this, because:
// a) We may be parsing rules on another OS (i.e. parsing Linux rules on Windows)
// b) User may have filtered some libs for platforms they don't care about (i.e. libs
// for PS4 on a PC developer's machine on a cross-platform team)
// If the file is actually needed, the linker will emit an error during link-time.
}
return true;
}
// DetermineFlags
//------------------------------------------------------------------------------
/*static*/ uint32_t LinkerNode::DetermineFlags( const AString & linkerType, const AString & linkerName, const AString & args )
{
uint32_t flags = DetermineLinkerTypeFlags( linkerType, linkerName );
if ( flags & LINK_FLAG_MSVC )
{
// Parse args for some other flags
Array< AString > tokens;
args.Tokenize( tokens );
bool debugFlag = false;
bool incrementalFlag = false;
bool incrementalNoFlag = false;
bool optREFFlag = false;
bool optICFFlag = false;
bool optLBRFlag = false;
bool orderFlag = false;
const AString * const end = tokens.End();
for ( const AString * it=tokens.Begin(); it!=end; ++it )
{
const AString & token = *it;
if ( IsLinkerArg_MSVC( token, "DLL" ) )
{
flags |= LinkerNode::LINK_FLAG_DLL;
continue;
}
if ( IsLinkerArg_MSVC( token, "DEBUG" ) )
{
debugFlag = true;
continue;
}
if ( IsLinkerArg_MSVC( token, "INCREMENTAL" ) )
{
incrementalFlag = true;
continue;
}
if ( IsLinkerArg_MSVC( token, "INCREMENTAL:NO" ) )
{
incrementalNoFlag = true;
continue;
}
if ( IsLinkerArg_MSVC( token, "WX" ) )
{
flags |= LinkerNode::LINK_FLAG_WARNINGS_AS_ERRORS_MSVC;
continue;
}
if ( IsStartOfLinkerArg_MSVC( token, "OPT" ) )
{
if ( token.FindI( "REF" ) )
{
optREFFlag = true;
}
if ( token.FindI( "ICF" ) )
{
optICFFlag = true;
}
if ( token.FindI( "LBR" ) )
{
optLBRFlag = true;
}
continue;
}
if ( IsStartOfLinkerArg_MSVC( token, "ORDER" ) )
{
orderFlag = true;
continue;
}
}
// Determine incremental linking status
bool usingIncrementalLinking = false; // false by default
// these options enable incremental linking
if ( debugFlag || incrementalFlag )
{
usingIncrementalLinking = true;
}
// these options disable incremental linking
if ( incrementalNoFlag || optREFFlag || optICFFlag || optLBRFlag || orderFlag )
{
usingIncrementalLinking = false;
}
if ( usingIncrementalLinking )
{
flags |= LINK_FLAG_INCREMENTAL;
}
}
else
{
// Parse args for some other flags
Array< AString > tokens;
args.Tokenize( tokens );
const AString * const end = tokens.End();
for ( const AString * it=tokens.Begin(); it!=end; ++it )
{
const AString & token = *it;
if ( ( token == "-shared" ) || ( token == "-dynamiclib" ) || ( token == "--oformat=prx" ) )
{
flags |= LinkerNode::LINK_FLAG_DLL;
continue;
}
}
}
return flags;
}
