interpreter: migration to universial stdlib support (without varargs yet)

byterun/include/module_manager.h

@@ -24,3 +24,5 @@ int32_t mod_load(const char *name, bool do_verification); // < 0 => not found
 uint32_t mod_add(Bytefile *module, bool do_verification);
 
 struct ModSearchResult mod_search_pub_symbol(const char *name);
+
+bool run_stdlib_func(const char *name, size_t args_count);

byterun/include/parser.hpp

@@ -37,11 +37,12 @@ enum class Cmd : int8_t {
   LINE,
   CALLF,
   PATT,
-  Lread,
-  Lwrite,
-  Llength,
-  Lstring,
-  Barray,
+  // NOTE: no longer used
+  // Lread,
+  // Lwrite,
+  // Llength,
+  // Lstring,
+  // Barray,
   EXIT,
   _UNDEF_,
 };

byterun/include/types.h

@@ -117,7 +117,7 @@ enum CMD_TOPLVL {
   CMD_ST,
   CMD_CTRL,
   CMD_PATT,
-  CMD_BUILTIN,
+  // CMD_BUILTIN, // NOTE: no longer used
   CMD_EXIT = 15,
 };
 
@@ -177,10 +177,10 @@ enum CMD_PATTS {
   CMD_PATT_FUN_TAG,
 };
 
-enum CMD_BUILTINS {
-  CMD_BUILTIN_Lread = 0,
-  CMD_BUILTIN_Lwrite,
-  CMD_BUILTIN_Llength,
-  CMD_BUILTIN_Lstring,
-  CMD_BUILTIN_Barray,
-};
+// enum CMD_BUILTINS { // NOTE: no longer used
+//   CMD_BUILTIN_Lread = 0,
+//   CMD_BUILTIN_Lwrite,
+//   CMD_BUILTIN_Llength,
+//   CMD_BUILTIN_Lstring,
+//   CMD_BUILTIN_Barray,
+// };