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* Remove more obsolete code.

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This commit is contained in:
Eelco Dolstra 2010-04-14 12:49:05 +00:00
parent 011b5da0f4
commit 816dd3f061
5 changed files with 2 additions and 503 deletions
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29
src/libexpr/nixexpr.cc
View file

@ -138,35 +138,6 @@ std::ostream & operator << (std::ostream & str, const Pos & pos)
#if 0
ATerm bottomupRewrite(TermFun & f, ATerm e)
{
checkInterrupt();
if (ATgetType(e) == AT_APPL) {
AFun fun = ATgetAFun(e);
int arity = ATgetArity(fun);
ATerm args[arity];
for (int i = 0; i < arity; ++i)
args[i] = bottomupRewrite(f, ATgetArgument(e, i));
e = (ATerm) ATmakeApplArray(fun, args);
}
else if (ATgetType(e) == AT_LIST) {
ATermList in = (ATermList) e;
ATermList out = ATempty;
for (ATermIterator i(in); i; ++i)
out = ATinsert(out, bottomupRewrite(f, *i));
e = (ATerm) ATreverse(out);
}
return f(e);
}
static void varsBoundByPattern(ATermMap & map, Pattern pat)
{
ATerm name;

11
src/libexpr/nixexpr.hh
View file

@ -207,17 +207,6 @@ struct ExprConcatStrings : Expr
#if 0
/* Generic bottomup traversal over ATerms. The traversal first
recursively descends into subterms, and then applies the given term
function to the resulting term. */
struct TermFun
{
virtual ~TermFun() { }
virtual ATerm operator () (ATerm e) = 0;
};
ATerm bottomupRewrite(TermFun & f, ATerm e);
/* Check whether all variables are defined in the given expression.
Throw an exception if this isn't the case. */
void checkVarDefs(const ATermMap & def, Expr e);