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* In theory, this should reduce the number of ATermMap

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re-allocations.
This commit is contained in:
Eelco Dolstra 2006-03-10 16:14:13 +00:00
parent 4ada6db1fc
commit 2b3b6c9b34
2 changed files with 4 additions and 3 deletions
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2
src/libexpr/eval.cc
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@ -26,7 +26,7 @@ void EvalState::addPrimOp(const string & name,
/* Substitute an argument set into the body of a function. */ /* Substitute an argument set into the body of a function. */
static Expr substArgs(Expr body, ATermList formals, Expr arg) static Expr substArgs(Expr body, ATermList formals, Expr arg)
{ {
ATermMap subs; ATermMap subs(ATgetLength(formals) * 2);
Expr undefined = makeUndefined(); Expr undefined = makeUndefined();
/* Get the formal arguments. */ /* Get the formal arguments. */

5
src/libexpr/nixexpr.cc
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@ -50,9 +50,10 @@ void ATermMap::copy(const ATermMap & map)
{ {
ATermList keys = map.keys(); ATermList keys = map.keys();
/* !!! adjust allocation for load pct */ /* !!! We adjust for the maximum load pct by allocating twice as
much. Probably a bit too much. */
maxLoadPct = map.maxLoadPct; maxLoadPct = map.maxLoadPct;
table = ATtableCreate(ATgetLength(keys), maxLoadPct); table = ATtableCreate(ATgetLength(keys) * 2, maxLoadPct);
if (!table) throw Error("cannot create ATerm table"); if (!table) throw Error("cannot create ATerm table");
add(map, keys); add(map, keys);