forked from lix-project/lix
0690c1c9c0
The ATerm library doesn't search the heap for pointers to ATerms when garbage collecting. As a result, C++ containers such as `map<ATerm, ATerm>' will cause pointer to be hidden from the garbage collector, causing crashes. Instead, we now use ATermTables.
42 lines
812 B
C++
42 lines
812 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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#include "expr.hh"
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typedef map<Path, PathSet> DrvPaths;
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typedef map<Path, Hash> DrvHashes;
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struct EvalState
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{
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ATermMap normalForms;
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DrvPaths drvPaths;
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DrvHashes drvHashes; /* normalised derivation hashes */
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Expr blackHole;
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unsigned int nrEvaluated;
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unsigned int nrCached;
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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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/* Specific results. */
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string evalString(EvalState & state, Expr e);
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Path evalPath(EvalState & state, Expr e);
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/* Print statistics. */
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void printEvalStats(EvalState & state);
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#endif /* !__EVAL_H */
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