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-rw-r--r--src/libexpr/eval.cc13
-rw-r--r--src/libexpr/nixexpr.cc15
2 files changed, 18 insertions, 10 deletions
diff --git a/src/libexpr/eval.cc b/src/libexpr/eval.cc
index eaa4b4ea4..335f44baa 100644
--- a/src/libexpr/eval.cc
+++ b/src/libexpr/eval.cc
@@ -100,22 +100,25 @@ static Expr substArgs(Expr body, ATermList formals, Expr arg)
ATerm expandRec(ATerm e, ATermList rbnds, ATermList nrbnds)
{
ATMatcher m;
+ ATerm name;
+ Expr e2;
/* Create the substitution list. */
ATermMap subs;
for (ATermIterator i(rbnds); i; ++i) {
- ATerm name;
- Expr e2;
if (!(atMatch(m, *i) >> "Bind" >> name >> e2))
abort(); /* can't happen */
subs.set(name, ATmake("Select(<term>, <term>)", e, name));
}
+ for (ATermIterator i(nrbnds); i; ++i) {
+ if (!(atMatch(m, *i) >> "Bind" >> name >> e2))
+ abort(); /* can't happen */
+ subs.set(name, e2);
+ }
/* Create the non-recursive set. */
ATermMap as;
for (ATermIterator i(rbnds); i; ++i) {
- ATerm name;
- Expr e2;
if (!(atMatch(m, *i) >> "Bind" >> name >> e2))
abort(); /* can't happen */
as.set(name, substitute(subs, e2));
@@ -123,8 +126,6 @@ ATerm expandRec(ATerm e, ATermList rbnds, ATermList nrbnds)
/* Copy the non-recursive bindings. !!! inefficient */
for (ATermIterator i(nrbnds); i; ++i) {
- ATerm name;
- Expr e2;
if (!(atMatch(m, *i) >> "Bind" >> name >> e2))
abort(); /* can't happen */
as.set(name, e2);
diff --git a/src/libexpr/nixexpr.cc b/src/libexpr/nixexpr.cc
index 7739e99a9..8fe5d379a 100644
--- a/src/libexpr/nixexpr.cc
+++ b/src/libexpr/nixexpr.cc
@@ -205,8 +205,11 @@ Expr substitute(const ATermMap & subs, Expr e)
for (ATermIterator i(rbnds); i; ++i)
if (atMatch(m, *i) >> "Bind" >> name)
subs2.remove(name);
- else
- abort(); /* can't happen */
+ else abort(); /* can't happen */
+ for (ATermIterator i(nrbnds); i; ++i)
+ if (atMatch(m, *i) >> "Bind" >> name)
+ subs2.remove(name);
+ else abort(); /* can't happen */
return ATmake("Rec(<term>, <term>)",
substitute(subs2, (ATerm) rbnds),
substitute(subs, (ATerm) nrbnds));
@@ -264,14 +267,18 @@ void checkVarDefs(const ATermMap & defs, Expr e)
}
else if (atMatch(m, e) >> "Rec" >> rbnds >> nrbnds) {
- checkVarDefs(defs
- , (ATerm) nrbnds);
+ checkVarDefs(defs, (ATerm) nrbnds);
ATermMap defs2(defs);
for (ATermIterator i(rbnds); i; ++i) {
if (!(atMatch(m, *i) >> "Bind" >> name))
abort(); /* can't happen */
defs2.set(name, (ATerm) ATempty);
}
+ for (ATermIterator i(nrbnds); i; ++i) {
+ if (!(atMatch(m, *i) >> "Bind" >> name))
+ abort(); /* can't happen */
+ defs2.set(name, (ATerm) ATempty);
+ }
checkVarDefs(defs2, (ATerm) rbnds);
}