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* When computing the set of paths referenced by an expression, also

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include the paths of the subterms.
This commit is contained in:
Eelco Dolstra 2003-07-09 15:02:03 +00:00
parent 9a99dc736d
commit 2b95a9dc05
4 changed files with 68 additions and 44 deletions
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12
src/fstate.hh
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@ -1,6 +1,8 @@
#ifndef __EVAL_H
#define __EVAL_H
#include <set>
extern "C" {
#include <aterm2.h>
}
@ -59,17 +61,19 @@ using namespace std;
typedef ATerm FState;
typedef ATerm Content;
typedef set<string> StringSet;
/* Realise an fstate expression in the file system. This requires
execution of all Derive() nodes. */
FState realiseFState(FState fs);
FState realiseFState(FState fs, StringSet & paths);
/* Return the path of an fstate expression. An empty string is
returned if the term is not a valid fstate expression. (!!!) */
string fstatePath(FState fs);
/* Return the paths referenced by fstate expression. */
Strings fstateRefs(FState fs);
void fstateRefs(FState fs, StringSet & paths);
/* Return a canonical textual representation of an expression. */
string printTerm(ATerm t);
@ -82,10 +86,10 @@ Error badTerm(const format & f, ATerm t);
Hash hashTerm(ATerm t);
/* Read an aterm from disk, given its hash. */
ATerm termFromHash(const Hash & hash);
ATerm termFromHash(const Hash & hash, string * p = 0);
/* Write an aterm to the Nix store directory, and return its hash. */
Hash writeTerm(ATerm t);
Hash writeTerm(ATerm t, const string & suffix, string * p = 0);
#endif /* !__EVAL_H */