Add a execution and memory stack

lib/omv/events.dart

@@ -50,3 +50,50 @@ abstract class SLEvents {
   void touch_start(Integer iTouchesCount);
   void transaction_result(Key kID, Integer iSuccess, string sMessage);
 }
+
+/// Custom execution stack to mimic compilation behavior
+/// A script is composed of states, which have every event listed in SLEvents, or OSEvents which inherits SLEvents
+/// Each event will be composed of an execution stack. Custom function can be defined, they shall be stored in a dictionary with their execution stack
+///
+/// The execution stack should execute each function contained within in sequential order.
+///
+/// The execution stack cannot be altered once created, it is designed to be assembled, then executed, to change it, one must create a new stack.
+///
+/// Variables are defined in the SLMemoryStack.
+/// On parse, a variable will be created, then inserted into the memory stack. Naming convention is as follows.
+/// global: g_<name>
+/// global_function: g_f<name>
+/// local: <state>_<event>_<name>
+///
+/// Any function here will need to be parsed properly to edit the memory stack if applicable before adding it to the execution stack
+///
+/// NOTE: Dart does not have a JIT Compiler that can at runtime without the Dart SDK compile a dynamic dart script against the running application
+/// To make up for this, we must put in place a structure that would allow parsing the script and still allowing execution within our own codebase.
+class SLExecutionStack {
+  List<Function> _stack = [];
+
+  void add(Function fnc) {
+    _stack.add(fnc);
+  }
+
+  void execute() {
+    for (var f in _stack) {
+      f.call();
+    }
+  }
+}
+
+/// This memory stack is meant to be allocated per script. See naming convention specified in SLExecutionStack documentation
+///
+/// NOTE: If memory is not present, it will return a blank string
+class SLMemoryStack {
+  Map<String, dynamic> _memory = {};
+
+  void set(String name, dynamic memory) {
+    _memory[name] = memory;
+  }
+
+  dynamic get(String name) {
+    return _memory[name] ?? "";
+  }
+}

pubspec.yaml

@@ -1,6 +1,6 @@
 name: libac_dart
 description: "Aria's Creations code library"
-version: 1.2.082224+1433
+version: 1.2.082224+1532
 homepage: "https://zontreck.com"