michael/lean2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

fix(type_inferer): bug when inferring the type of free variables

Browse source 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2013-10-22 15:41:22 -07:00
parent 874f67c605
commit 8142726923
1 changed files with 6 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
src/library/type_inferer.cpp
View file

@ -119,9 +119,12 @@ class type_inferer::imp {
break;
}
case expr_kind::Var: {
context_entry const & ce = lookup(ctx, var_idx(e));
if (ce.get_domain())
return ce.get_domain();
auto p = lookup_ext(ctx, var_idx(e));
context_entry const & ce = p.first;
if (ce.get_domain()) {
context const & ce_ctx = p.second;
return lift_free_vars(ce.get_domain(), ctx.size() - ce_ctx.size());
}
// Remark: the case where ce.get_domain() is not
// available is not considered cheap.
break;