32 lines
610 B
C++
32 lines
610 B
C++
#ifndef __EVAL_H
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#define __EVAL_H
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#include <map>
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#include "fix-expr.hh"
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typedef map<Expr, Expr> NormalForms;
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//typedef map<Path, PathSet> PkgPaths;
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//typedef map<Path, Hash> PkgHashes;
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struct EvalState
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{
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NormalForms normalForms;
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// PkgPaths pkgPaths;
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// PkgHashes pkgHashes; /* normalised package hashes */
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Expr blackHole;
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EvalState();
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};
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/* Evaluate an expression to normal form. */
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Expr evalExpr(EvalState & state, Expr e);
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/* Evaluate an expression read from the given file to normal form. */
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Expr evalFile(EvalState & state, const Path & path);
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#endif /* !__EVAL_H */
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