From c0e2b3eb11657fc9a4eb9f04073a4f5f8affaa55 Mon Sep 17 00:00:00 2001 From: Clifford Wolf Date: Mon, 6 Apr 2015 01:49:58 +0200 Subject: Added "port_directions" to write_json output --- backends/json/json.cc | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/backends/json/json.cc b/backends/json/json.cc index 7d73fb11..648b793c 100644 --- a/backends/json/json.cc +++ b/backends/json/json.cc @@ -137,6 +137,19 @@ struct JsonWriter f << stringf(" \"attributes\": {"); write_parameters(c->attributes); f << stringf("\n },\n"); + if (c->known()) { + f << stringf(" \"port_directions\": {"); + bool first2 = true; + for (auto &conn : c->connections()) { + string direction = "output"; + if (c->input(conn.first)) + direction = c->output(conn.first) ? "inout" : "input"; + f << stringf("%s\n", first2 ? "" : ","); + f << stringf(" %s: \"%s\"", get_name(conn.first).c_str(), direction.c_str()); + first2 = false; + } + f << stringf("\n },\n"); + } f << stringf(" \"connections\": {"); bool first2 = true; for (auto &conn : c->connections()) { @@ -240,6 +253,10 @@ struct JsonBackend : public Backend { log(" : ,\n"); log(" ...\n"); log(" },\n"); + log(" \"port_directions\": {\n"); + log(" : <\"input\" | \"output\" | \"inout\">,\n"); + log(" ...\n"); + log(" },\n"); log(" \"connections\": {\n"); log(" : ,\n"); log(" ...\n"); @@ -256,6 +273,9 @@ struct JsonBackend : public Backend { log("The \"hide_name\" fields are set to 1 when the name of this cell or net is\n"); log("automatically created and is likely not of interest for a regular user.\n"); log("\n"); + log("The \"port_directions\" section is only included for cells for which the\n"); + log("interface is known.\n"); + log("\n"); log("Module and cell ports and nets can be single bit wide or vectors of multiple\n"); log("bits. Each individual signal bit is assigned a unique integer. The \n"); log("values referenced above are vectors of this integers. Signal bits that are\n"); -- cgit v1.2.3