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Get rid of the parse tree cache

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Since we already cache files in normal form (fileEvalCache), caching
parse trees is redundant.

Note that getting rid of this cache doesn't actually save much memory
at the moment, because parse trees are currently not freed / GC'ed.
This commit is contained in:
Eelco Dolstra 2013-09-03 12:56:33 +02:00
parent 57d18df7d0
commit 6f809194d7
6 changed files with 35 additions and 34 deletions
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4
src/nix-env/nix-env.cc
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@ -131,7 +131,7 @@ static void getAllExprs(EvalState & state,
if (hasSuffix(attrName, ".nix"))
attrName = string(attrName, 0, attrName.size() - 4);
attrs.attrs[state.symbols.create(attrName)] =
ExprAttrs::AttrDef(state.parseExprFromFile(absPath(path2)), noPos);
ExprAttrs::AttrDef(state.parseExprFromFile(resolveExprPath(absPath(path2))), noPos);
}
else
/* `path2' is a directory (with no default.nix in it);
@ -143,7 +143,7 @@ static void getAllExprs(EvalState & state,
static Expr * loadSourceExpr(EvalState & state, const Path & path)
{
if (isNixExpr(path)) return state.parseExprFromFile(absPath(path));
if (isNixExpr(path)) return state.parseExprFromFile(resolveExprPath(absPath(path)));
/* The path is a directory. Put the Nix expressions in the
directory in an attribute set, with the file name of each