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* Implemented derivations.

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This commit is contained in:
Eelco Dolstra 2010-03-31 15:38:03 +00:00
parent 5187678913
commit 3d94be61ea
6 changed files with 183 additions and 192 deletions
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9
src/libexpr/eval.hh
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@ -109,7 +109,6 @@ void mkString(Value & v, const string & s, const PathSet & context = PathSet());
void mkPath(Value & v, const char * s);
typedef std::map<Path, PathSet> DrvRoots;
typedef std::map<Path, Hash> DrvHashes;
/* Cache for calls to addToStore(); maps source paths to the store
@ -124,8 +123,10 @@ std::ostream & operator << (std::ostream & str, Value & v);
class EvalState
{
DrvRoots drvRoots;
public:
DrvHashes drvHashes; /* normalised derivation hashes */
private:
SrcToStore srcToStore;
unsigned long nrValues;
@ -164,9 +165,11 @@ public:
/* Force `v', and then verify that it has the expected type. */
int forceInt(Value & v);
bool forceBool(Value & v);
void forceAttrs(Value & v);
void forceList(Value & v);
void forceFunction(Value & v); // either lambda or primop
string forceString(Value & v);
string forceStringNoCtx(Value & v);
/* String coercion. Converts strings, paths and derivations to a
@ -209,6 +212,8 @@ public:
void mkList(Value & v, unsigned int length);
void mkAttrs(Value & v);
void cloneAttrs(Value & src, Value & dst);
/* Print statistics. */
void printStats();
};