📝 fix some wanings.

nasal_builtin.h

@@ -1367,7 +1367,9 @@ nasal_ref builtin_corun(nasal_ref* local,nasal_gc& gc)
 }
 nasal_ref builtin_millisec(nasal_ref* local,nasal_gc& gc)
 {
-    double res=std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
+    double res=std::chrono::duration_cast<std::chrono::milliseconds>
+               (std::chrono::high_resolution_clock::now().time_since_epoch())
+               .count();
     return {vm_num,res};
 }
 nasal_ref builtin_sysargv(nasal_ref* local,nasal_gc& gc)

nasal_dbg.h

@@ -20,7 +20,7 @@ private:
     void interact();
 public:
     nasal_dbg():
-        next_step(false),
+        next_step(false),fsize(0),
         bk_fidx(0),bk_line(0){}
     void run(
         const nasal_codegen&,

nasal_gc.h

@@ -477,15 +477,8 @@ struct nasal_gc
         nasal_ref*& _canary,
         nasal_ref*& _top,
         nasal_ref* _stk):
-        pc(_pc),
-        localr(_localr),
-        memr(_memr),
-        funcr(_funcr),
-        upvalr(_upvalr),
-        canary(_canary),
-        top(_top),
-        stack(_stk),
-        temp(nil){}
+        pc(_pc),localr(_localr),memr(_memr),funcr(_funcr),upvalr(_upvalr),
+        canary(_canary),top(_top),stack(_stk),coroutine(nullptr),temp(nil){}
     void                    mark();
     void                    sweep();
     void                    init(const std::vector<std::string>&,const std::vector<std::string>&);

nasal_vm.h

@@ -125,7 +125,8 @@ public:
     nasal_vm():pc(0),localr(nullptr),memr(nullptr),funcr(nil),
                upvalr(nil),canary(nullptr),top(stack),
                num_table(nullptr),str_table(nullptr),
-               gc(pc,localr,memr,funcr,upvalr,canary,top,stack){}
+               gc(pc,localr,memr,funcr,upvalr,canary,top,stack),
+               files(nullptr),bytecode(nullptr),detail_info(false){}
     void run(
         const nasal_codegen&,
         const nasal_import&,
@@ -785,11 +786,12 @@ inline void nasal_vm::opr_callfh()
 }
 inline void nasal_vm::opr_callb()
 {
-    // reserve place for builtin function return, in fact this code is changed because of coroutine
+    // reserve place for builtin function return,
+    // in fact this code is changed because of coroutine
     (++top)[0]=nil;
     // this ++top should not be used like: (++top)[0] here
     // because if running a builtin function about coroutine
-    // this (top) will be set to another context.top, instead of main_context.top
+    // (top) will be set to another context.top, instead of main_context.top
     top[0]=(*builtin[imm[pc]].func)(localr,gc);
     if(top[0].type==vm_none)
         die("native function error.");