* "Nix expression" -> "store expression".

* More refactoring.
This commit is contained in:
Eelco Dolstra 2003-11-18 11:22:29 +00:00
parent 9f0f020929
commit ce92d1bf14
20 changed files with 121 additions and 119 deletions

View file

@ -1,16 +1,16 @@
#ifndef __NORMALISE_H
#define __NORMALISE_H
#include "expr.hh"
#include "storeexpr.hh"
/* Normalise a Nix expression. That is, if the expression is a
/* Normalise a store expression. That is, if the expression is a
derivation, a path containing an equivalent closure expression is
returned. This requires that the derivation is performed, unless a
successor is known. */
Path normaliseNixExpr(const Path & nePath, PathSet pending = PathSet());
Path normaliseStoreExpr(const Path & nePath, PathSet pending = PathSet());
/* Realise a closure expression in the file system.
/* Realise a closure store expression in the file system.
The pending paths are those that are already being realised. This
prevents infinite recursion for paths realised through a substitute
@ -22,23 +22,25 @@ void realiseClosure(const Path & nePath, PathSet pending = PathSet());
realising a substitute. */
void ensurePath(const Path & path, PathSet pending = PathSet());
/* Read a Nix expression, after ensuring its existence through
/* Read a store expression, after ensuring its existence through
ensurePath(). */
NixExpr exprFromPath(const Path & path, PathSet pending = PathSet());
StoreExpr storeExprFromPath(const Path & path, PathSet pending = PathSet());
/* Get the list of root (output) paths of the given Nix expression. */
PathSet nixExprRoots(const Path & nePath);
/* Get the list of root (output) paths of the given store
expression. */
PathSet storeExprRoots(const Path & nePath);
/* Get the list of paths that are required to realise the given
/* Get the list of paths that are required to realise the given store
expression. For a derive expression, this is the union of
requisites of the inputs; for a closure expression, it is the path of
each element in the closure. If `includeExprs' is true, include the
paths of the Nix expressions themselves. If `includeSuccessors' is
true, include the requisites of successors. */
PathSet nixExprRequisites(const Path & nePath,
requisites of the inputs; for a closure expression, it is the path
of each element in the closure. If `includeExprs' is true, include
the paths of the store expressions themselves. If
`includeSuccessors' is true, include the requisites of
successors. */
PathSet storeExprRequisites(const Path & nePath,
bool includeExprs, bool includeSuccessors);
/* Return the list of the paths of all known Nix expressions whose
/* Return the list of the paths of all known store expressions whose
output paths are completely contained in the set `outputs'. */
PathSet findGenerators(const PathSet & outputs);