32 lines
610 B
C++
32 lines
610 B
C++
|
#ifndef __EVAL_H
|
||
|
|
#define __EVAL_H
|
||
|
|
|
||
|
|
#include <map>
|
||
|
|
|
||
|
|
#include "fix-expr.hh"
|
||
|
|
|
||
|
|
|
||
|
|
typedef map<Expr, Expr> NormalForms;
|
||
|
|
//typedef map<Path, PathSet> PkgPaths;
|
||
|
|
//typedef map<Path, Hash> PkgHashes;
|
||
|
|
|
||
|
|
struct EvalState
|
||
|
|
{
|
||
|
|
NormalForms normalForms;
|
||
|
|
// PkgPaths pkgPaths;
|
||
|
|
// PkgHashes pkgHashes; /* normalised package hashes */
|
||
|
|
Expr blackHole;
|
||
|
|
|
||
|
|
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);
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* !__EVAL_H */
|