按提示词结论接入 INI 参数文件桥

core/tests/cnc_sim_api_linuxcnc_rs274_smoke.cpp

@@ -2,8 +2,11 @@
 
 #include <cstdlib>
 #include <cmath>
+#include <filesystem>
+#include <fstream>
 #include <iostream>
 #include <string>
+#include <system_error>
 #include <vector>
 
 namespace {
@@ -61,6 +64,34 @@ private:
     std::string old_;
 };
 
+class ScopedTempDir {
+public:
+    explicit ScopedTempDir(const char *prefix) {
+        const char *tmpdir = std::getenv("TMPDIR");
+        std::string tmpl = std::string(tmpdir ? tmpdir : "/tmp") + "/" + prefix + ".XXXXXX";
+        std::vector<char> buffer(tmpl.begin(), tmpl.end());
+        buffer.push_back('\0');
+        char *dir = mkdtemp(buffer.data());
+        if (!dir) {
+            std::perror("mkdtemp");
+            std::exit(1);
+        }
+        path_ = dir;
+    }
+
+    ~ScopedTempDir() {
+        std::error_code error;
+        std::filesystem::remove_all(path_, error);
+    }
+
+    std::string file(const char *name) const {
+        return path_ + "/" + name;
+    }
+
+private:
+    std::string path_;
+};
+
 bool saw_comment_state(const std::vector<CncSimEvent> &events,
                        int line,
                        int reserved,
@@ -168,6 +199,8 @@ bool expect_switchkins_remap_config(const std::string &json,
 } // namespace
 
 int main() {
+    ScopedTempDir temp_dir("cnc_sim_api_linuxcnc_rs274_smoke");
+
     {
         std::vector<CncSimEvent> default_events;
         CncSimHandle *default_sim = cnc_sim_create();
@@ -196,6 +229,55 @@ int main() {
         }
     }
 
+    {
+        const std::string ini_parameter_var_path = temp_dir.file("ini_parameter.var");
+        {
+            std::ofstream var_file(ini_parameter_var_path);
+            var_file << "5001\t44.000000\n";
+        }
+        const std::string rs274_ini_path = temp_dir.file("rs274_parameter.ini");
+        {
+            std::ofstream ini_file(rs274_ini_path);
+            ini_file << "[RS274NGC]\n";
+            ini_file << "PARAMETER_FILE = " << ini_parameter_var_path << "\n";
+        }
+        std::vector<CncSimEvent> ini_events;
+        CncSimHandle *ini_sim = cnc_sim_create();
+        cnc_sim_set_event_callback(ini_sim, collect_event, &ini_events);
+        const std::string ini_config =
+            std::string("{\"backend\":\"linuxcnc-rs274\",\"iniFileName\":\"") +
+            rs274_ini_path +
+            "\"}";
+        bool ini_ok = true;
+        ini_ok &= expect(cnc_sim_load_config_json(ini_sim, ini_config.c_str(), ini_config.size()) == 0,
+                         cnc_sim_last_error(ini_sim));
+        ScopedEnv file_mode_env("CNC_SIM_RS274_FILE_MODE", "1");
+        const char ini_parameter_check_program[] =
+            "G21 G90 G17\n"
+            "F100\n"
+            "G1 X#5001\n";
+        ini_ok &= expect(cnc_sim_parse_program(ini_sim,
+                                               ini_parameter_check_program,
+                                               sizeof(ini_parameter_check_program) - 1) == 0,
+                         cnc_sim_last_error(ini_sim));
+        bool saw_ini_parameter_restore = false;
+        for (const auto &event : ini_events) {
+            saw_ini_parameter_restore = saw_ini_parameter_restore ||
+                                        (event.type == CNC_SIM_EVENT_LINEAR_FEED &&
+                                         event.line == 3 &&
+                                         near(event.end.x, 44.0));
+        }
+        // LinuxCNC source basis: emctask.cc calls interp.ini_load(), and
+        // rs274ngc_pre.cc ini_load() maps [RS274NGC] PARAMETER_FILE through
+        // SET_PARAMETER_FILE_NAME before rs274_ngc_init() restores parameters.
+        ini_ok &= expect(saw_ini_parameter_restore,
+                         "expected LinuxCNC INI PARAMETER_FILE to restore numbered parameters");
+        cnc_sim_destroy(ini_sim);
+        if (!ini_ok) {
+            return 1;
+        }
+    }
+
     const char config[] =
         "{\"backend\":\"linuxcnc-rs274\",\"rtcp\":{\"enabled\":true,\"toolLength\":100,\"toolLengths\":{\"7\":125}}}";
     const char program[] =