diff options
Diffstat (limited to 'src/eval.hh')
| -rw-r--r-- | src/eval.hh | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/eval.hh b/src/eval.hh index 553c7c40b..b04588e7b 100644 --- a/src/eval.hh +++ b/src/eval.hh @@ -15,9 +15,9 @@ using namespace std; A Nix file system state expression, or FState, describes a (partial) state of the file system. - File : Path * Content * [FState] -> FState + Path : Path * Content * [FState] -> FState - File(path, content, refs) specifies a file object (its full path + Path(path, content, refs) specifies a file object (its full path and contents), along with all file objects referenced by it (that is, that it has pointers to). We assume that all files are self-referential. This prevents us from having to deal with @@ -66,8 +66,15 @@ FState realiseFState(FState fs); /* Return a canonical textual representation of an expression. */ string printTerm(ATerm t); +/* Throw an exception with an error message containing the given + aterm. */ +Error badTerm(const format & f, ATerm t); + /* Hash an aterm. */ Hash hashTerm(ATerm t); +/* Write an aterm to the Nix store directory, and return its hash. */ +Hash writeTerm(ATerm t); + #endif /* !__EVAL_H */ |