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

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* 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
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60
src/libstore/expr.hh
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@ -1,60 +0,0 @@
#ifndef __FSTATE_H
#define __FSTATE_H
#include "aterm.hh"
#include "store.hh"
/* Abstract syntax of Nix expressions. */
struct ClosureElem
{
PathSet refs;
};
typedef map<Path, ClosureElem> ClosureElems;
struct Closure
{
PathSet roots;
ClosureElems elems;
};
typedef map<string, string> StringPairs;
struct Derivation
{
PathSet outputs;
PathSet inputs; /* Nix expressions, not actual inputs */
string platform;
Path builder;
Strings args;
StringPairs env;
};
struct NixExpr
{
enum { neClosure, neDerivation } type;
Closure closure;
Derivation derivation;
};
/* 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 path. */
Path writeTerm(ATerm t, const string & suffix);
/* Parse a Nix expression. */
NixExpr parseNixExpr(ATerm t);
/* Parse a Nix expression. */
ATerm unparseNixExpr(const NixExpr & ne);
#endif /* !__FSTATE_H */