mirror of
https://github.com/NixOS/nix
synced 2024-09-20 23:28:26 -04:00
57 lines
969 B
C++
57 lines
969 B
C++
#ifndef __STOREEXPR_H
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#define __STOREEXPR_H
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#include "aterm.hh"
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#include "store.hh"
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/* Abstract syntax of store expressions. */
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struct ClosureElem
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{
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PathSet refs;
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};
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typedef map<Path, ClosureElem> ClosureElems;
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struct Closure
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{
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PathSet roots;
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ClosureElems elems;
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};
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typedef map<string, string> StringPairs;
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struct Derivation
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{
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PathSet outputs;
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PathSet inputs; /* Store expressions, not actual inputs */
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string platform;
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Path builder;
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Strings args;
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StringPairs env;
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};
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struct StoreExpr
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{
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enum { neClosure, neDerivation } type;
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Closure closure;
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Derivation derivation;
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};
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/* Hash an aterm. */
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Hash hashTerm(ATerm t);
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/* Write an aterm to the Nix store directory, and return its path. */
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Path writeTerm(ATerm t, const string & suffix);
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/* Parse a store expression. */
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StoreExpr parseStoreExpr(ATerm t);
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/* Parse a store expression. */
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ATerm unparseStoreExpr(const StoreExpr & ne);
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#endif /* !__STOREEXPR_H */
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