(self, t: build.BuildTarget)
return vala, vapi, (others, othersgen)
Splits the target's sources into .vala, .gs, .vapi, and other sources.
        Handles both pre-existing and generated sources.

        Returns a tuple (vala, vapi, others) each of which is a dictionary with
        the keys being the path to the file (relative to the build directory)
        and the value being the object that generated or represents the file.
Splits the target's sources into .vala, .gs, .vapi, and other sources.
        Handles both pre-existing and generated sources.
Splits the target s sources into . vala . gs . vapi and other sources . Handles both pre - existing and generated sources .
def split_vala_sources(self, t: build.BuildTarget) -> \
            T.Tuple[T.MutableMapping[str, File], T.MutableMapping[str, File],
                    T.Tuple[T.MutableMapping[str, File], T.MutableMapping]]:
        """
        Splits the target's sources into .vala, .gs, .vapi, and other sources.
        Handles both pre-existing and generated sources.

        Returns a tuple (vala, vapi, others) each of which is a dictionary with
        the keys being the path to the file (relative to the build directory)
        and the value being the object that generated or represents the file.
        """
        vala: T.MutableMapping[str, File] = OrderedDict()
        vapi: T.MutableMapping[str, File] = OrderedDict()
        others: T.MutableMapping[str, File] = OrderedDict()
        othersgen: T.MutableMapping[str, File] = OrderedDict()
        # Split pre-existing sources
        for s in t.get_sources():
            # BuildTarget sources are always mesonlib.File files which are
            # either in the source root, or generated with configure_file and
            # in the build root
            if not isinstance(s, File):
                raise InvalidArguments(f'All sources in target {t!r} must be of type mesonlib.File, not {s!r}')
            f = s.rel_to_builddir(self.build_to_src)
            if s.endswith(('.vala', '.gs')):
                srctype = vala
            elif s.endswith('.vapi'):
                srctype = vapi
            else:
                srctype = others
            srctype[f] = s
        # Split generated sources
        for gensrc in t.get_generated_sources():
            for s in gensrc.get_outputs():
                f = self.get_target_generated_dir(t, gensrc, s)
                if s.endswith(('.vala', '.gs')):
                    srctype = vala
                elif s.endswith('.vapi'):
                    srctype = vapi
                # Generated non-Vala (C/C++) sources. Won't be used for
                # generating the Vala compile rule below.
                else:
                    srctype = othersgen
                # Duplicate outputs are disastrous
                if f in srctype and srctype[f] is not gensrc:
                    msg = 'Duplicate output {0!r} from {1!r} {2!r}; ' \
                          'conflicts with {0!r} from {4!r} {3!r}' \
                          ''.format(f, type(gensrc).__name__, gensrc.name,
                                    srctype[f].name, type(srctype[f]).__name__)
                    raise InvalidArguments(msg)
                # Store 'somefile.vala': GeneratedList (or CustomTarget)
                srctype[f] = gensrc
        return vala, vapi, (others, othersgen)
def split_vala_sources ( self , t : build . BuildTarget ) -> T . Tuple [ T . MutableMapping [ str , File ] , T . MutableMapping [ str , File ] , T . Tuple [ T . MutableMapping [ str , File ] , T . MutableMapping ] ] : vala : T . MutableMapping [ str , File ] = OrderedDict ( ) vapi : T . MutableMapping [ str , File ] = OrderedDict ( ) others : T . MutableMapping [ str , File ] = OrderedDict ( ) othersgen : T . MutableMapping [ str , File ] = OrderedDict ( ) # Split pre-existing sources for s in t . get_sources ( ) : # BuildTarget sources are always mesonlib.File files which are # either in the source root, or generated with configure_file and # in the build root if not isinstance ( s , File ) : raise InvalidArguments ( f'All sources in target {t!r} must be of type mesonlib.File, not {s!r}' ) f = s . rel_to_builddir ( self . build_to_src ) if s . endswith ( ( '.vala' , '.gs' ) ) : srctype = vala elif s . endswith ( '.vapi' ) : srctype = vapi else : srctype = others srctype [ f ] = s # Split generated sources for gensrc in t . get_generated_sources ( ) : for s in gensrc . get_outputs ( ) : f = self . get_target_generated_dir ( t , gensrc , s ) if s . endswith ( ( '.vala' , '.gs' ) ) : srctype = vala elif s . endswith ( '.vapi' ) : srctype = vapi # Generated non-Vala (C/C++) sources. Won't be used for # generating the Vala compile rule below. else : srctype = othersgen # Duplicate outputs are disastrous if f in srctype and srctype [ f ] is not gensrc : msg = 'Duplicate output {0!r} from {1!r} {2!r}; ' 'conflicts with {0!r} from {4!r} {3!r}' '' . format ( f , type ( gensrc ) . __name__ , gensrc . name , srctype [ f ] . name , type ( srctype [ f ] ) . __name__ ) raise InvalidArguments ( msg ) # Store 'somefile.vala': GeneratedList (or CustomTarget) srctype [ f ] = gensrc return vala , vapi , ( others , othersgen )