aboutsummaryrefslogtreecommitdiffstats
path: root/lib/hipe/cerl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/hipe/cerl')
-rw-r--r--lib/hipe/cerl/erl_bif_types.erl150
1 files changed, 140 insertions, 10 deletions
diff --git a/lib/hipe/cerl/erl_bif_types.erl b/lib/hipe/cerl/erl_bif_types.erl
index 190f14a474..b822f182c2 100644
--- a/lib/hipe/cerl/erl_bif_types.erl
+++ b/lib/hipe/cerl/erl_bif_types.erl
@@ -63,6 +63,7 @@
t_fun/2,
t_fun_args/1,
t_fun_range/1,
+ t_identifier/0,
t_inf/2,
t_integer/0,
t_integer/1,
@@ -138,6 +139,12 @@ type(M, F, A) ->
-spec type(atom(), atom(), arity(), [erl_types:erl_type()]) -> erl_types:erl_type().
%%-- erlang -------------------------------------------------------------------
+type(erlang, halt, 0, _) -> t_none();
+type(erlang, halt, 1, _) -> t_none();
+type(erlang, exit, 1, _) -> t_none();
+type(erlang, error, 1, _) -> t_none();
+type(erlang, error, 2, _) -> t_none();
+type(erlang, throw, 1, _) -> t_none();
type(erlang, '==', 2, Xs = [X1, X2]) ->
case t_is_atom(X1) andalso t_is_atom(X2) of
true -> type(erlang, '=:=', 2, Xs);
@@ -489,6 +496,9 @@ type(erlang, 'bnot', 1, Xs) ->
{ok, T} -> T
end
end);
+%% Guard bif, needs to be here.
+type(erlang, abs, 1, Xs) ->
+ strict(arg_types(erlang, abs, 1), Xs, fun ([X]) -> X end);
%% This returns (-X)-1, so it often gives a negative result.
%% strict(arg_types(erlang, 'bnot', 1), Xs, fun (_) -> t_integer() end);
type(erlang, append, 2, Xs) -> type(erlang, '++', 2, Xs); % alias
@@ -504,8 +514,24 @@ type(erlang, apply, 2, Xs) ->
strict(arg_types(erlang, apply, 2), Xs, Fun);
type(erlang, apply, 3, Xs) ->
strict(arg_types(erlang, apply, 3), Xs, fun (_) -> t_any() end);
+%% Guard bif, needs to be here.
+type(erlang, binary_part, 2, Xs) ->
+ strict(arg_types(erlang, binary_part, 2), Xs, fun (_) -> t_binary() end);
+%% Guard bif, needs to be here.
+type(erlang, binary_part, 3, Xs) ->
+ strict(arg_types(erlang, binary_part, 3), Xs, fun (_) -> t_binary() end);
+%% Guard bif, needs to be here.
+type(erlang, bit_size, 1, Xs) ->
+ strict(arg_types(erlang, bit_size, 1), Xs,
+ fun (_) -> t_non_neg_integer() end);
+%% Guard bif, needs to be here.
+type(erlang, byte_size, 1, Xs) ->
+ strict(arg_types(erlang, byte_size, 1), Xs,
+ fun (_) -> t_non_neg_integer() end);
type(erlang, disconnect_node, 1, Xs) ->
strict(arg_types(erlang, disconnect_node, 1), Xs, fun (_) -> t_sup([t_boolean(), t_atom('ignored')]) end);
+%% Guard bif, needs to be here.
+%% Also much more expressive than anything you could write in a spec...
type(erlang, element, 2, Xs) ->
strict(arg_types(erlang, element, 2), Xs,
fun ([X1, X2]) ->
@@ -529,16 +555,22 @@ type(erlang, element, 2, Xs) ->
t_sup([type(erlang, element, 2, [X1, Y]) || Y <- Ts])
end
end);
+%% Guard bif, needs to be here.
+type(erlang, float, 1, Xs) ->
+ strict(arg_types(erlang, float, 1), Xs, fun (_) -> t_float() end);
type(erlang, fun_info, 1, Xs) ->
strict(arg_types(erlang, fun_info, 1), Xs,
fun (_) -> t_list(t_tuple([t_atom(), t_any()])) end);
type(erlang, get_cookie, 0, _) -> t_atom(); % | t_atom('nocookie')
+%% Guard bif, needs to be here.
type(erlang, hd, 1, Xs) ->
strict(arg_types(erlang, hd, 1), Xs, fun ([X]) -> t_cons_hd(X) end);
type(erlang, integer_to_list, 2, Xs) ->
strict(arg_types(erlang, integer_to_list, 2), Xs,
fun (_) -> t_string() end);
type(erlang, info, 1, Xs) -> type(erlang, system_info, 1, Xs); % alias
+%% All type tests are guard BIF's and may be implemented in ways that
+%% cannot be expressed in a type spec, why they are kept in erl_bif_types.
type(erlang, is_atom, 1, Xs) ->
Fun = fun (X) -> check_guard(X, fun (Y) -> t_is_atom(Y) end, t_atom()) end,
strict(arg_types(erlang, is_atom, 1), Xs, Fun);
@@ -702,6 +734,9 @@ type(erlang, is_tuple, 1, Xs) ->
check_guard(X, fun (Y) -> t_is_tuple(Y) end, t_tuple())
end,
strict(arg_types(erlang, is_tuple, 1), Xs, Fun);
+%% Guard bif, needs to be here.
+type(erlang, length, 1, Xs) ->
+ strict(arg_types(erlang, length, 1), Xs, fun (_) -> t_non_neg_fixnum() end);
type(erlang, list_to_integer, 2, Xs) ->
strict(arg_types(erlang, list_to_integer, 2), Xs,
fun (_) -> t_integer() end);
@@ -726,12 +761,47 @@ type(erlang, nif_error, 1, _) ->
t_any(); % this BIF and the next one are stubs for NIFs and never return
type(erlang, nif_error, 2, Xs) ->
strict(arg_types(erlang, nif_error, 2), Xs, fun (_) -> t_any() end);
+%% Guard bif, needs to be here.
+type(erlang, node, 0, _) -> t_node();
+%% Guard bif, needs to be here.
+type(erlang, node, 1, Xs) ->
+ strict(arg_types(erlang, node, 1), Xs, fun (_) -> t_node() end);
type(erlang, nodes, 0, _) -> t_list(t_node());
type(erlang, port_call, Arity, Xs) when Arity =:= 2; Arity =:= 3 ->
strict(arg_types(erlang, port_call, Arity), Xs, fun (_) -> t_any() end);
type(erlang, port_info, 1, Xs) ->
strict(arg_types(erlang, port_info, 1), Xs,
fun (_) -> t_sup(t_atom('undefined'), t_list()) end);
+type(erlang, port_info, 2, Xs) ->
+ strict(arg_types(erlang, port_info, 2), Xs,
+ fun ([_Port, Item]) ->
+ t_sup(t_atom('undefined'),
+ case t_atom_vals(Item) of
+ ['connected'] -> t_tuple([Item, t_pid()]);
+ ['id'] -> t_tuple([Item, t_integer()]);
+ ['input'] -> t_tuple([Item, t_integer()]);
+ ['links'] -> t_tuple([Item, t_list(t_pid())]);
+ ['name'] -> t_tuple([Item, t_string()]);
+ ['output'] -> t_tuple([Item, t_integer()]);
+ ['registered_name'] -> t_tuple([Item, t_atom()]);
+ List when is_list(List) ->
+ t_tuple([t_sup([t_atom(A) || A <- List]),
+ t_sup([t_atom(), t_integer(),
+ t_pid(), t_list(t_pid()),
+ t_string()])]);
+ unknown ->
+ [_, PosItem] = arg_types(erlang, port_info, 2),
+ t_tuple([PosItem,
+ t_sup([t_atom(), t_integer(),
+ t_pid(), t_list(t_pid()),
+ t_string()])])
+ end)
+ end);
+%% Guard bif, needs to be here.
+type(erlang, round, 1, Xs) ->
+ strict(arg_types(erlang, round, 1), Xs, fun (_) -> t_integer() end);
+%% Guard bif, needs to be here.
+type(erlang, self, 0, _) -> t_pid();
type(erlang, set_cookie, 2, Xs) ->
strict(arg_types(erlang, set_cookie, 2), Xs, fun (_) -> t_atom('true') end);
type(erlang, setelement, 3, Xs) ->
@@ -765,6 +835,9 @@ type(erlang, setelement, 3, Xs) ->
t_sup([type(erlang, setelement, 3, [X1, Y, X3]) || Y <- Ts])
end
end);
+%% Guard bif, needs to be here.
+type(erlang, size, 1, Xs) ->
+ strict(arg_types(erlang, size, 1), Xs, fun (_) -> t_non_neg_integer() end);
type(erlang, spawn, 1, Xs) ->
strict(arg_types(erlang, spawn, 1), Xs, fun (_) -> t_pid() end);
type(erlang, spawn, 2, Xs) ->
@@ -894,13 +967,15 @@ type(erlang, system_info, 1, Xs) ->
t_any() %% overapproximation as the return value might change
end
end);
-type(erlang, term_to_binary, 1, Xs) ->
- strict(arg_types(erlang, term_to_binary, 1), Xs, fun (_) -> t_binary() end);
+%% Guard bif, needs to be here.
type(erlang, tl, 1, Xs) ->
strict(arg_types(erlang, tl, 1), Xs, fun ([X]) -> t_cons_tl(X) end);
-type(erlang, trace_pattern, 2, Xs) ->
- strict(arg_types(erlang, trace_pattern, 2), Xs,
- fun (_) -> t_non_neg_fixnum() end); %% num of MFAs that match pattern
+%% Guard bif, needs to be here.
+type(erlang, trunc, 1, Xs) ->
+ strict(arg_types(erlang, trunc, 1), Xs, fun (_) -> t_integer() end);
+%% Guard bif, needs to be here.
+type(erlang, tuple_size, 1, Xs) ->
+ strict(arg_types(erlang, tuple_size, 1), Xs, fun (_) -> t_non_neg_integer() end);
type(erlang, tuple_to_list, 1, Xs) ->
strict(arg_types(erlang, tuple_to_list, 1), Xs,
fun ([X]) ->
@@ -2092,6 +2167,9 @@ arg_types(erlang, 'bsl', 2) ->
[t_integer(), t_integer()];
arg_types(erlang, 'bnot', 1) ->
[t_integer()];
+%% Guard bif, needs to be here.
+arg_types(erlang, abs, 1) ->
+ [t_number()];
arg_types(erlang, append, 2) ->
arg_types(erlang, '++', 2);
arg_types(erlang, apply, 2) ->
@@ -2101,14 +2179,41 @@ arg_types(erlang, apply, 2) ->
t_list()];
arg_types(erlang, apply, 3) ->
[t_sup(t_atom(), t_tuple()), t_atom(), t_list()];
+%% Guard bif, needs to be here.
+arg_types(erlang, binary_part, 2) ->
+ [t_binary(), t_tuple([t_non_neg_integer(), t_integer()])];
+%% Guard bif, needs to be here.
+arg_types(erlang, binary_part, 3) ->
+ [t_binary(), t_non_neg_integer(), t_integer()];
+%% Guard bif, needs to be here.
+arg_types(erlang, bit_size, 1) ->
+ [t_bitstr()];
+%% Guard bif, needs to be here.
+arg_types(erlang, byte_size, 1) ->
+ [t_binary()];
arg_types(erlang, disconnect_node, 1) ->
[t_node()];
+arg_types(erlang, halt, 0) ->
+ [];
+arg_types(erlang, halt, 1) ->
+ [t_sup(t_non_neg_fixnum(), t_string())];
+arg_types(erlang, error, 1) ->
+ [t_any()];
+arg_types(erlang, error, 2) ->
+ [t_any(), t_list()];
+arg_types(erlang, exit, 1) ->
+ [t_any()];
+%% Guard bif, needs to be here.
arg_types(erlang, element, 2) ->
[t_pos_fixnum(), t_tuple()];
+%% Guard bif, needs to be here.
+arg_types(erlang, float, 1) ->
+ [t_number()];
arg_types(erlang, fun_info, 1) ->
[t_fun()];
arg_types(erlang, get_cookie, 0) ->
[];
+%% Guard bif, needs to be here.
arg_types(erlang, hd, 1) ->
[t_cons()];
arg_types(erlang, info, 1) ->
@@ -2149,6 +2254,9 @@ arg_types(erlang, is_reference, 1) ->
[t_any()];
arg_types(erlang, is_tuple, 1) ->
[t_any()];
+%% Guard bif, needs to be here.
+arg_types(erlang, length, 1) ->
+ [t_list()];
arg_types(erlang, list_to_integer, 2) ->
[t_list(t_byte()), t_from_range(2, 36)];
arg_types(erlang, make_tuple, 2) ->
@@ -2161,6 +2269,12 @@ arg_types(erlang, nif_error, 1) ->
[t_any()];
arg_types(erlang, nif_error, 2) ->
[t_any(), t_list()];
+%% Guard bif, needs to be here.
+arg_types(erlang, node, 0) ->
+ [];
+%% Guard bif, needs to be here.
+arg_types(erlang, node, 1) ->
+ [t_identifier()];
arg_types(erlang, nodes, 0) ->
[];
arg_types(erlang, port_call, 2) ->
@@ -2169,10 +2283,23 @@ arg_types(erlang, port_call, 3) ->
[t_sup(t_port(), t_atom()), t_integer(), t_any()];
arg_types(erlang, port_info, 1) ->
[t_sup(t_port(), t_atom())];
+arg_types(erlang, port_info, 2) ->
+ [t_sup(t_port(), t_atom()),
+ t_atoms(['registered_name', 'id', 'connected',
+ 'links', 'name', 'input', 'output'])];
+%% Guard bif, needs to be here.
+arg_types(erlang, round, 1) ->
+ [t_number()];
+%% Guard bif, needs to be here.
+arg_types(erlang, self, 0) ->
+ [];
arg_types(erlang, set_cookie, 2) ->
[t_node(), t_atom()];
arg_types(erlang, setelement, 3) ->
[t_pos_integer(), t_tuple(), t_any()];
+%% Guard bif, needs to be here.
+arg_types(erlang, size, 1) ->
+ [t_sup(t_tuple(), t_binary())];
arg_types(erlang, spawn, 1) -> %% TODO: Tuple?
[t_fun()];
arg_types(erlang, spawn, 2) -> %% TODO: Tuple?
@@ -2194,14 +2321,17 @@ arg_types(erlang, system_info, 1) ->
t_tuple([t_atom(), t_any()]), % documented
t_tuple([t_atom(), t_atom(), t_any()]),
t_tuple([t_atom(allocator_sizes), t_reference(), t_any()])])];
-arg_types(erlang, term_to_binary, 1) ->
+arg_types(erlang, throw, 1) ->
[t_any()];
+%% Guard bif, needs to be here.
arg_types(erlang, tl, 1) ->
[t_cons()];
-arg_types(erlang, trace_pattern, 2) ->
- [t_sup(t_tuple([t_atom(), t_atom(), t_sup(t_arity(), t_atom('_'))]),
- t_atom('on_load')),
- t_sup([t_boolean(), t_list(), t_atom('restart'), t_atom('pause')])];
+%% Guard bif, needs to be here.
+arg_types(erlang, trunc, 1) ->
+ [t_number()];
+%% Guard bif, needs to be here.
+arg_types(erlang, tuple_size, 1) ->
+ [t_tuple()];
arg_types(erlang, tuple_to_list, 1) ->
[t_tuple()];
arg_types(erlang, yield, 0) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:03:20 +0000