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

feat(library/class_instance_resolution): add new (temporary) option class.force_new to force the new type class resolution procedure in HoTT mode

Browse source
This commit is contained in:
Leonardo de Moura 2015-10-28 11:09:09 -07:00
parent 4828afa781
commit ab1937d46e
1 changed files with 11 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/library/class_instance_resolution.cpp
View file

@ -48,6 +48,7 @@ namespace lean {
static name * g_class_trace_instances = nullptr;
static name * g_class_instance_max_depth = nullptr;
static name * g_class_trans_instances = nullptr;
static name * g_class_force_new = nullptr;
static name * g_prefix = nullptr;
LEAN_THREAD_PTR(ci_local_metavar_types, g_lm_types);
@ -65,6 +66,10 @@ bool get_class_trans_instances(options const & o) {
return o.get_bool(*g_class_trans_instances, LEAN_DEFAULT_CLASS_TRANS_INSTANCES);
}
bool get_class_force_new(options const & o) {
return o.get_bool(*g_class_force_new, false);
}
class default_ci_local_metavar_types : public ci_local_metavar_types {
public:
virtual expr infer_local(expr const & e) { return mlocal_type(e); }
@ -1076,6 +1081,7 @@ void initialize_class_instance_resolution() {
g_class_trace_instances = new name{"class", "trace_instances"};
g_class_instance_max_depth = new name{"class", "instance_max_depth"};
g_class_trans_instances = new name{"class", "trans_instances"};
g_class_force_new = new name{"class", "force_new"};
register_bool_option(*g_class_trace_instances, LEAN_DEFAULT_CLASS_TRACE_INSTANCES,
"(class) display messages showing the class-instances resolution execution trace");
@ -1086,6 +1092,9 @@ void initialize_class_instance_resolution() {
register_bool_option(*g_class_trans_instances, LEAN_DEFAULT_CLASS_TRANS_INSTANCES,
"(class) use automatically derived instances from the transitive closure of "
"the structure instance graph");
register_bool_option(*g_class_force_new, false,
"(class) force new type class resolution procedure to be used even in HoTT mode (THIS IS TEMPORARY OPTION)");
}
void finalize_class_instance_resolution() {
@ -1093,6 +1102,7 @@ void finalize_class_instance_resolution() {
delete g_class_trace_instances;
delete g_class_instance_max_depth;
delete g_class_trans_instances;
delete g_class_force_new;
}
/*
@ -1452,7 +1462,7 @@ pair<expr, constraint> mk_class_instance_elaborator(
name const & prefix, optional<name> const & suffix, bool use_local_instances,
bool is_strict, optional<expr> const & type, tag g,
pos_info_provider const * pip) {
if (is_standard(env)) {
if (is_standard(env) || get_class_force_new(ios.get_options())) {
return mk_new_class_instance_elaborator(env, ios, ctx, prefix, suffix, use_local_instances,
is_strict, type, g, pip);
} else {