Add port support to io_lib.erl

Add support for io_lib (and io, etc...) to format ports. Adds port_to_list/1 to erlang module exports to keep dialyzer happy. Signed-off-by: Winford <[email protected]>
atomvm · Jan 15, 2025 · 0764fb0 · 0764fb0
1 parent 15bf93d
commit 0764fb0
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diff --git a/libs/estdlib/src/erlang.erl b/libs/estdlib/src/erlang.erl
@@ -74,6 +74,7 @@
     integer_to_list/2,
     fun_to_list/1,
     pid_to_list/1,
+    port_to_list/1,
     ref_to_list/1,
     register/2,
     unregister/1,
@@ -839,6 +840,16 @@ fun_to_list(_Fun) ->
 pid_to_list(_Pid) ->
     erlang:nif_error(undefined).
 
+%%-----------------------------------------------------------------------------
+%% @param   Port     port to convert to a string
+%% @returns a string representation of the port
+%% @doc     Create a string representing a port.
+%% @end
+%%-----------------------------------------------------------------------------
+-spec port_to_list(Port :: port()) -> string().
+port_to_list(_Port) ->
+    erlang:nif_error(undefined).
+
 %%-----------------------------------------------------------------------------
 %% @param   Ref     reference to convert to a string
 %% @returns a string representation of the reference

diff --git a/libs/estdlib/src/io_lib.erl b/libs/estdlib/src/io_lib.erl
@@ -292,6 +292,8 @@ format_spw(_Format, T) when is_float(T) ->
     erlang:float_to_list(T);
 format_spw(_Format, T) when is_pid(T) ->
     erlang:pid_to_list(T);
+format_spw(_Format, T) when is_port(T) ->
+    erlang:port_to_list(T);
 format_spw(_Format, T) when is_reference(T) ->
     erlang:ref_to_list(T);
 format_spw(_Format, T) when is_function(T) ->