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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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56
src/libstore/storeexpr.hh Normal file
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#ifndef __STOREEXPR_H
#define __STOREEXPR_H
#include "aterm.hh"
#include "store.hh"
/* Abstract syntax of store 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; /* Store expressions, not actual inputs */
string platform;
Path builder;
Strings args;
StringPairs env;
};
struct StoreExpr
{
enum { neClosure, neDerivation } type;
Closure closure;
Derivation derivation;
};
/* 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 store expression. */
StoreExpr parseStoreExpr(ATerm t);
/* Parse a store expression. */
ATerm unparseStoreExpr(const StoreExpr & ne);
#endif /* !__STOREEXPR_H */