ice40: split out cells_map.v into ff_map.v
[yosys.git] / kernel / register.cc
index 5d0fb3c8c22ae7508c5031b04bc0d30685a58fe6..02974e5349f92c0090b141cbbc6dc4d39294c830 100644 (file)
@@ -238,6 +238,7 @@ void Pass::call(RTLIL::Design *design, std::string command)
                return;
 
        if (tok[0] == '!') {
+#if !defined(YOSYS_DISABLE_SPAWN)
                cmd_buf = command.substr(command.find('!') + 1);
                while (!cmd_buf.empty() && (cmd_buf.back() == ' ' || cmd_buf.back() == '\t' ||
                                cmd_buf.back() == '\r' || cmd_buf.back() == '\n'))
@@ -247,6 +248,9 @@ void Pass::call(RTLIL::Design *design, std::string command)
                if (retCode != 0)
                        log_cmd_error("Shell command returned error code %d.\n", retCode);
                return;
+#else
+               log_cmd_error("Shell is not available.\n");
+#endif
        }
 
        while (!tok.empty()) {
@@ -304,6 +308,9 @@ void Pass::call(RTLIL::Design *design, std::vector<std::string> args)
        if (pass_register.count(args[0]) == 0)
                log_cmd_error("No such command: %s (type 'help' for a command overview)\n", args[0].c_str());
 
+       if (pass_register[args[0]]->experimental_flag)
+               log_experimental("%s", args[0].c_str());
+
        size_t orig_sel_stack_pos = design->selection_stack.size();
        auto state = pass_register[args[0]]->pre_execute();
        pass_register[args[0]]->execute(args, design);
@@ -397,6 +404,18 @@ void ScriptPass::run(std::string command, std::string info)
        }
 }
 
+void ScriptPass::run_nocheck(std::string command, std::string info)
+{
+       if (active_design == nullptr) {
+               if (info.empty())
+                       log("        %s\n", command.c_str());
+               else
+                       log("        %s    %s\n", command.c_str(), info.c_str());
+       } else {
+               Pass::call(active_design, command);
+       }
+}
+
 void ScriptPass::run_script(RTLIL::Design *design, std::string run_from, std::string run_to)
 {
        help_mode = false;
@@ -470,20 +489,21 @@ void Frontend::extra_args(std::istream *&f, std::string &filename, std::vector<s
                        cmd_error(args, argidx, "Extra filename argument in direct file mode.");
 
                filename = arg;
+               //Accommodate heredocs with EOT marker spaced out from "<<", e.g. "<< EOT" vs. "<<EOT"
                if (filename == "<<" && argidx+1 < args.size())
                        filename += args[++argidx];
                if (filename.compare(0, 2, "<<") == 0) {
-                       if (Frontend::current_script_file == NULL)
-                               log_error("Unexpected here document '%s' outside of script!\n", filename.c_str());
                        if (filename.size() <= 2)
                                log_error("Missing EOT marker in here document!\n");
                        std::string eot_marker = filename.substr(2);
+                       if (Frontend::current_script_file == nullptr)
+                               filename = "<stdin>";
                        last_here_document.clear();
                        while (1) {
                                std::string buffer;
                                char block[4096];
                                while (1) {
-                                       if (fgets(block, 4096, Frontend::current_script_file) == NULL)
+                                       if (fgets(block, 4096, Frontend::current_script_file == nullptr? stdin : Frontend::current_script_file) == nullptr)
                                                log_error("Unexpected end of file in here document '%s'!\n", filename.c_str());
                                        buffer += block;
                                        if (buffer.size() > 0 && (buffer[buffer.size() - 1] == '\n' || buffer[buffer.size() - 1] == '\r'))
@@ -824,6 +844,11 @@ struct HelpPass : public Pass {
                                                log("=");
                                        log("\n");
                                        it.second->help();
+                                       if (it.second->experimental_flag) {
+                                               log("\n");
+                                               log("WARNING: THE '%s' COMMAND IS EXPERIMENTAL.\n", it.first.c_str());
+                                               log("\n");
+                                       }
                                }
                        }
                        else if (args[1] == "-cells") {
@@ -846,6 +871,11 @@ struct HelpPass : public Pass {
                                        std::ostringstream buf;
                                        log_streams.push_back(&buf);
                                        it.second->help();
+                                       if (it.second->experimental_flag) {
+                                               log("\n");
+                                               log("WARNING: THE '%s' COMMAND IS EXPERIMENTAL.\n", it.first.c_str());
+                                               log("\n");
+                                       }
                                        log_streams.pop_back();
                                        write_tex(f, it.first, it.second->short_help, buf.str());
                                }
@@ -858,6 +888,11 @@ struct HelpPass : public Pass {
                                        std::ostringstream buf;
                                        log_streams.push_back(&buf);
                                        it.second->help();
+                                       if (it.second->experimental_flag) {
+                                               log("\n");
+                                               log("WARNING: THE '%s' COMMAND IS EXPERIMENTAL.\n", it.first.c_str());
+                                               log("\n");
+                                       }
                                        log_streams.pop_back();
                                        write_html(f, it.first, it.second->short_help, buf.str());
                                }
@@ -865,6 +900,11 @@ struct HelpPass : public Pass {
                        }
                        else if (pass_register.count(args[1])) {
                                pass_register.at(args[1])->help();
+                               if (pass_register.at(args[1])->experimental_flag) {
+                                       log("\n");
+                                       log("WARNING: THE '%s' COMMAND IS EXPERIMENTAL.\n", args[1].c_str());
+                                       log("\n");
+                               }
                        }
                        else if (cell_help_messages.cell_help.count(args[1])) {
                                log("%s", cell_help_messages.cell_help.at(args[1]).c_str());