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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;
};
*/
struct DerivationOutput
{
Path path;
string hashAlgo; /* hash used for expected hash computation */
string hash; /* expected hash, may be null */
DerivationOutput()
{
}
DerivationOutput(Path path, string hashAlgo, string hash)
{
this->path = path;
this->hashAlgo = hashAlgo;
this->hash = hash;
}
};
typedef map<string, DerivationOutput> DerivationOutputs;
typedef map<string, string> StringPairs;
struct Derivation
{
DerivationOutputs outputs; /* keyed on symbolic IDs */
PathSet inputDrvs; /* inputs that are sub-derivations */
PathSet inputSrcs; /* inputs that are sources */
string platform;
Path builder;
Strings args;
StringPairs env;
};
/* 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. */
Derivation parseDerivation(ATerm t);
/* Parse a store expression. */
ATerm unparseDerivation(const Derivation & drv);
#endif /* !__STOREEXPR_H */
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