std::shared_ptr<BuildItem>
Item::transform( TransformSet &xform ) const
{
std::shared_ptr<BuildItem> ret = xform.getTransform( this );
if ( ret )
return ret;
DEBUG( "transform Item " << getName() );
ret = std::make_shared<BuildItem>( getName(), getDir() );
ret->setDefaultTarget( isDefaultTarget() );
ret->setUseName( isUseNameAsInput() );
ret->setTopLevel( isTopLevel(), myPseudoName );
VariableSet buildvars;
extractVariables( buildvars );
ret->setVariables( std::move( buildvars ) );
if ( myForceToolAll == "<pseudo>" )
{
ret->addExternalOutput( getName() );
ret->setOutputDir( getDir()->reroot( xform.getArtifactDir() ) );
}
else
{
std::shared_ptr<Tool> t = getTool( xform );
if ( t )
{
DEBUG( getName() << " transformed by tool '" << t->getTag() << "' (" << t->getName() << ")" );
if ( t->getGeneratedExecutable() )
{
std::shared_ptr<BuildItem> x = t->getGeneratedExecutable()->transform( xform );
ret->addDependency( DependencyType::IMPLICIT, x );
}
ret->setTool( t );
ret->setOutputDir( getDir()->reroot( xform.getArtifactDir() ) );
std::string overOpt;
for ( auto &i: t->allOptions() )
{
if ( hasToolOverride( i.first, overOpt ) )
ret->setVariable( t->getOptionVariable( i.first ),
t->getOptionValue( i.first, overOpt ) );
}
}
else
WARNING( "No tools found for " << getName() );
}
xform.recordTransform( this, ret );
return ret;
}
Error extractVariables(const FilePath& file, Variables* pVariables)
{
// read in the file
std::string contents;
Error error = readStringFromFile(file,
&contents,
string_utils::LineEndingPosix);
if (error)
return error;
extractVariables(contents, pVariables);
return Success();
}
std::shared_ptr<BuildItem>
CodeFilter::transform( TransformSet &xform ) const
{
std::shared_ptr<BuildItem> ret = xform.getTransform( this );
if ( ret )
return ret;
DEBUG( "transform CodeFilter " << getName() );
ret = std::make_shared<BuildItem>( getName(), getDir() );
ret->setUseName( false );
VariableSet buildvars;
extractVariables( buildvars );
ret->setVariables( std::move( buildvars ) );
if ( myTool )
{
ItemPtr genExe = myTool->getGeneratedExecutable();
if ( genExe )
{
std::shared_ptr<BuildItem> exeDep = genExe->transform( xform );
ret->addDependency( DependencyType::IMPLICIT, exeDep );
}
for ( const ItemPtr &i: myItems )
{
// huh, we can't call transform on these because then
// cpp files we're going to filter will be transformed to
// .o files.
auto inp = std::make_shared<BuildItem>( i->getName(), i->getDir() );
inp->setUseName( false );
inp->setOutputDir( getDir() );
inp->setOutputs( { i->getName() } );
ret->addDependency( DependencyType::EXPLICIT, inp );
}
ret->setTool( myTool );
auto outd = getDir()->reroot( xform.getArtifactDir() );
ret->setOutputDir( outd );
ret->setVariable( "current_output_dir", outd->fullpath() );
ret->setOutputs( myOutputs );
}
xform.recordTransform( this, ret );
return ret;
}
Error extractVariables(const FilePath& file, Variables* pVariables)
{
// return path not found if necessary
if (!file.exists())
return core::pathNotFoundError(file.absolutePath(), ERROR_LOCATION);
// read in the file
std::string contents;
Error error = readStringFromFile(file,
&contents,
string_utils::LineEndingPosix);
if (error)
return error;
extractVariables(contents, pVariables);
return Success();
}
