write_json to not write contents (cells/wires) of whiteboxes

diff --git a/backends/json/json.cc b/backends/json/json.cc
index f5c687981311febd5e004ea0908ebcde3864fa4f..b4f82a3feb33ee502c1b6cbae00fd2ad450e4c32 100644 (file)
--- a/backends/json/json.cc
+++ b/backends/json/json.cc
@@ -130,72 +130,75 @@ struct JsonWriter
                        f << stringf("        }");
                        first = false;
                }
-               f << stringf("\n      },\n");
+               f << stringf("\n      }");
 
-               f << stringf("      \"cells\": {");
-               first = true;
-               for (auto c : module->cells()) {
-                       if (use_selection && !module->selected(c))
-                               continue;
-                       f << stringf("%s\n", first ? "" : ",");
-                       f << stringf("        %s: {\n", get_name(c->name).c_str());
-                       f << stringf("          \"hide_name\": %s,\n", c->name[0] == '$' ? "1" : "0");
-                       f << stringf("          \"type\": %s,\n", get_name(c->type).c_str());
-                       if (aig_mode) {
-                               Aig aig(c);
-                               if (!aig.name.empty()) {
-                                       f << stringf("          \"model\": \"%s\",\n", aig.name.c_str());
-                                       aig_models.insert(aig);
+               if (!module->get_blackbox_attribute()) {
+                       f << stringf(",\n      \"cells\": {");
+                       first = true;
+                       for (auto c : module->cells()) {
+                               if (use_selection && !module->selected(c))
+                                       continue;
+                               f << stringf("%s\n", first ? "" : ",");
+                               f << stringf("        %s: {\n", get_name(c->name).c_str());
+                               f << stringf("          \"hide_name\": %s,\n", c->name[0] == '$' ? "1" : "0");
+                               f << stringf("          \"type\": %s,\n", get_name(c->type).c_str());
+                               if (aig_mode) {
+                                       Aig aig(c);
+                                       if (!aig.name.empty()) {
+                                               f << stringf("          \"model\": \"%s\",\n", aig.name.c_str());
+                                               aig_models.insert(aig);
+                                       }
                                }
-                       }
-                       f << stringf("          \"parameters\": {");
-                       write_parameters(c->parameters);
-                       f << stringf("\n          },\n");
-                       f << stringf("          \"attributes\": {");
-                       write_parameters(c->attributes);
-                       f << stringf("\n          },\n");
-                       if (c->known()) {
-                               f << stringf("          \"port_directions\": {");
+                               f << stringf("          \"parameters\": {");
+                               write_parameters(c->parameters);
+                               f << stringf("\n          },\n");
+                               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()) {
-                                       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());
+                                       f << stringf("            %s: %s", get_name(conn.first).c_str(), get_bits(conn.second).c_str());
                                        first2 = false;
                                }
-                               f << stringf("\n          },\n");
+                               f << stringf("\n          }\n");
+                               f << stringf("        }");
+                               first = false;
                        }
-                       f << stringf("          \"connections\": {");
-                       bool first2 = true;
-                       for (auto &conn : c->connections()) {
-                               f << stringf("%s\n", first2 ? "" : ",");
-                               f << stringf("            %s: %s", get_name(conn.first).c_str(), get_bits(conn.second).c_str());
-                               first2 = false;
-                       }
-                       f << stringf("\n          }\n");
-                       f << stringf("        }");
-                       first = false;
-               }
-               f << stringf("\n      },\n");
+                       f << stringf("\n      },\n");
 
-               f << stringf("      \"netnames\": {");
-               first = true;
-               for (auto w : module->wires()) {
-                       if (use_selection && !module->selected(w))
-                               continue;
-                       f << stringf("%s\n", first ? "" : ",");
-                       f << stringf("        %s: {\n", get_name(w->name).c_str());
-                       f << stringf("          \"hide_name\": %s,\n", w->name[0] == '$' ? "1" : "0");
-                       f << stringf("          \"bits\": %s,\n", get_bits(w).c_str());
-                       f << stringf("          \"attributes\": {");
-                       write_parameters(w->attributes);
-                       f << stringf("\n          }\n");
-                       f << stringf("        }");
-                       first = false;
+                       f << stringf("      \"netnames\": {");
+                       first = true;
+                       for (auto w : module->wires()) {
+                               if (use_selection && !module->selected(w))
+                                       continue;
+                               f << stringf("%s\n", first ? "" : ",");
+                               f << stringf("        %s: {\n", get_name(w->name).c_str());
+                               f << stringf("          \"hide_name\": %s,\n", w->name[0] == '$' ? "1" : "0");
+                               f << stringf("          \"bits\": %s,\n", get_bits(w).c_str());
+                               f << stringf("          \"attributes\": {");
+                               write_parameters(w->attributes);
+                               f << stringf("\n          }\n");
+                               f << stringf("        }");
+                               first = false;
+                       }
+                       f << stringf("\n      }");
                }
-               f << stringf("\n      }\n");
+               f << stringf("\n");
 
                f << stringf("    }");
        }