about summary refs log tree commit diff
path: root/src/fix-ng/eval.hh
blob: 061c840a7576ae70d2be15cdfdaa38c24eab794d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
#ifndef __EVAL_H
#define __EVAL_H

#include <map>

#include "aterm.hh"
#include "hash.hh"
#include "fixexpr.hh"


typedef map<Path, PathSet> DrvPaths;
typedef map<Path, Hash> DrvHashes;

struct EvalState 
{
    ATermMap normalForms;
    DrvPaths drvPaths;
    DrvHashes drvHashes; /* normalised derivation hashes */
    Expr blackHole;

    unsigned int nrEvaluated;
    unsigned int nrCached;

    EvalState();
};


/* Evaluate an expression to normal form. */
Expr evalExpr(EvalState & state, Expr e);

/* Evaluate an expression read from the given file to normal form. */
Expr evalFile(EvalState & state, const Path & path);

/* Specific results. */
string evalString(EvalState & state, Expr e);
Path evalPath(EvalState & state, Expr e);

/* Print statistics. */
void printEvalStats(EvalState & state);


#endif /* !__EVAL_H */