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#ifndef __NORMALISE_H
#define __NORMALISE_H
#include "fstate.hh"
/* Normalise an fstate-expression, that is, return an equivalent
slice. (For the meaning of `pending', see expandId()). */
FSId normaliseFState(FSId id, FSIdSet pending = FSIdSet());
/* Realise a Slice in the file system. */
void realiseSlice(const FSId & id, FSIdSet pending = FSIdSet());
/* Get the list of root (output) paths of the given
fstate-expression. */
Strings fstatePaths(const FSId & id, bool normalise);
/* Get the list of paths referenced by the given fstate-expression. */
Strings fstateRefs(const FSId & id);
/* Return the list of the ids of all known fstate-expressions whose
output ids are completely contained in `ids'. */
FSIds findGenerators(const FSIds & ids);
/* Register a successor. */
void registerSuccessor(const FSId & id1, const FSId & id2);
#endif /* !__NORMALISE_H */
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