new scripting system

core/src/scripting.cpp

@@ -0,0 +1,75 @@
+#include <scripting.h>
+#include <duktape/duk_console.h>
+#include <version.h>
+#include <fstream>
+#include <sstream>
+
+ScriptManager::ScriptManager() {
+
+}
+
+ScriptManager::Script* ScriptManager::createScript(std::string name, std::string path) {
+    ScriptManager::Script* script =  new ScriptManager::Script(this, name, path);
+    scripts[name] = script;
+    return script;
+}
+
+ScriptManager::Script::Script(ScriptManager* man, std::string name, std::string path) {
+    this->name = name;
+    manager = man;
+    std::ifstream file(path, std::ios::in);
+    std::stringstream ss;
+    ss << file.rdbuf();
+    code = ss.str(); 
+}
+
+void ScriptManager::Script::run() {
+    ctx = ScriptManager::createContext(manager, name);
+    running = true;
+    if (worker.joinable()) {
+        worker.join();
+    }
+    worker = std::thread(scriptWorker, this);
+}
+
+duk_context* ScriptManager::createContext(ScriptManager* _this, std::string name) {
+    duk_context* ctx = duk_create_heap_default();
+
+    duk_console_init(ctx, DUK_CONSOLE_PROXY_WRAPPER);
+
+    duk_push_string(ctx, name.c_str());
+    duk_put_global_string(ctx, "SCRIPT_NAME");
+
+    duk_idx_t sdrppBase = duk_push_object(ctx);
+
+    duk_push_string(ctx, VERSION_STR);
+    duk_put_prop_string(ctx, sdrppBase, "version");
+
+    duk_idx_t modObjId = duk_push_object(ctx);
+    for (const auto& [name, handler] : _this->handlers) {
+        duk_idx_t objId = duk_push_object(ctx);
+        handler.handler(handler.ctx, ctx, objId);
+        duk_put_prop_string(ctx, modObjId, name.c_str());
+    }
+    duk_put_prop_string(ctx, sdrppBase, "modules");
+
+    duk_put_global_string(ctx, "sdrpp");
+
+    return ctx;
+}
+
+// TODO: Switch to spdlog
+
+void ScriptManager::Script::scriptWorker(Script* script) {
+    if (duk_peval_string(script->ctx, script->code.c_str()) != 0) {
+        printf("Error: %s\n", duk_safe_to_string(script->ctx, -1));
+        //return;
+    }
+    duk_destroy_heap(script->ctx);
+    script->running = false;
+}
+
+void ScriptManager::bindScriptRunHandler(std::string name, ScriptManager::ScriptRunHandler_t handler) {
+    // TODO: check if it exists and add a "unbind" function
+    handlers[name] = handler;
+}