Added missing argument checking to "mutate" command

Signed-off-by: Clifford Wolf <clifford@clifford.at>

diff --git a/passes/sat/mutate.cc b/passes/sat/mutate.cc
index c50678c519ed8e259b93dc5ac7c6664b3674d92e..b53bbfeb2d1ccb437b5530de31b6ea566ddb2fb1 100644 (file)
--- a/passes/sat/mutate.cc
+++ b/passes/sat/mutate.cc
@@ -934,6 +934,32 @@ struct MutatePass : public Pass {
                        return;
                }
 
+               if (opts.module.empty())
+                       log_cmd_error("Missing -module argument.\n");
+
+               Module *module = design->module(opts.module);
+               if (module == nullptr)
+                       log_cmd_error("Module %s not found.\n", log_id(opts.module));
+
+               if (opts.cell.empty())
+                       log_cmd_error("Missing -cell argument.\n");
+
+               Cell *cell = module->cell(opts.cell);
+               if (cell == nullptr)
+                       log_cmd_error("Cell %s not found in module %s.\n", log_id(opts.cell), log_id(opts.module));
+
+               if (opts.port.empty())
+                       log_cmd_error("Missing -port argument.\n");
+
+               if (!cell->hasPort(opts.port))
+                       log_cmd_error("Port %s not found on cell %s.%s.\n", log_id(opts.port), log_id(opts.module), log_id(opts.cell));
+
+               if (opts.portbit < 0)
+                       log_cmd_error("Missing -portbit argument.\n");
+
+               if (GetSize(cell->getPort(opts.port)) <= opts.portbit)
+                       log_cmd_error("Out-of-range -portbit argument for port %s on cell %s.%s.\n", log_id(opts.port), log_id(opts.module), log_id(opts.cell));
+
                if (opts.mode == "inv") {
                        mutate_inv(design, opts);
                        return;
@@ -944,6 +970,12 @@ struct MutatePass : public Pass {
                        return;
                }
 
+               if (opts.ctrlbit < 0)
+                       log_cmd_error("Missing -ctrlbit argument.\n");
+
+               if (GetSize(cell->getPort(opts.port)) <= opts.ctrlbit)
+                       log_cmd_error("Out-of-range -ctrlbit argument for port %s on cell %s.%s.\n", log_id(opts.port), log_id(opts.module), log_id(opts.cell));
+
                if (opts.mode == "cnot0" || opts.mode == "cnot1") {
                        mutate_cnot(design, opts, opts.mode == "cnot1");
                        return;