🐛 fix bug that gc cannot mark values in coroutine & add maketimer_sim.nas

update props_sim.nas

update auto_crash.nas

nasal_gc.h

@@ -514,15 +514,15 @@ void nasal_gc::mark()
 {
     std::queue<nasal_ref> bfs;
     
-    // this make sure values on main stack can be scanned
+    // scan coroutine process stack when coroutine ptr is not null
-    if(!coroutine)
+    // scan main process stack when coroutine ptr is null
-    {
+    // this scan process must execute because when running coroutine,
-        for(nasal_ref* i=stack;i<=top;++i)
+    // the nasal_co related to it will not update it's context until the coroutine suspends or exits.
-            bfs.push(*i);
+    for(nasal_ref* i=stack;i<=top;++i)
-        bfs.push(funcr);
+        bfs.push(*i);
-        bfs.push(upvalr);
+    bfs.push(funcr);
-    }
+    bfs.push(upvalr);
-    else
+    if(coroutine) // scan main process stack
     {
         for(nasal_ref* i=main_ctx.stack;i<=main_ctx.top;++i)
             bfs.push(*i);

test/auto_crash.nas

@@ -1,5 +1,7 @@
 # Road check and auto pilot by ValKmjolnir
-import("test/props_sim.nas");
+import("./test/maketimer_sim.nas");
+import("./test/props_sim.nas");
+
 var dt=0.01;
 var intergral=0;
 var derivative=0;
@@ -67,6 +69,12 @@ var road_check_func = func(){
             props.getNode("/", 1).setValue("/controls/flight/rudder",Kp*error*error+Ki*intergral+Kd*derivative);
         else
             props.getNode("/", 1).setValue("/controls/flight/rudder",0);
+        
+        # for simulation test, in fg these three lines are deleted
+        println(" rudder :",props.getNode("/controls/flight/rudder",1).getValue());
+        println(" dt :",dt,'\tintergral :',intergral,'\tderivative :',derivative);
+        println(" prev-err :",previous_error,'\terror :',error);
+
         previous_error=error;
     }
 };
@@ -77,11 +85,17 @@ var toggle_auto_pilot = func(){
     {
         intergral=0;
         road_check_timer.start();
-        props.getNode("/sim/messages/copilot",1).setValue("ze dong sheng teaan see tong yee tse yung. Auto Sheng Teaan System Activated!");
+        props.getNode("/sim/messages/copilot",1).setValue('/',"ze dong sheng teaan see tong yee tse yung. Auto Sheng Teaan System Activated!");
     }
     else
     {
         road_check_timer.stop();
-        props.getNode("/sim/messages/copilot",1).setValue("ze dong sheng teaan see tong yee guan bee. Auto Sheng Teaan System is off.");
+        props.getNode("/sim/messages/copilot",1).setValue('/',"ze dong sheng teaan see tong yee guan bee. Auto Sheng Teaan System is off.");
     }
 }
+
+# this is used to simulate the running process in fg
+# when using in fg, delete these lines below
+toggle_auto_pilot();
+road_check_timer.restart(1);
+simulation();

test/calc.nas

@@ -48,6 +48,7 @@ var testfile=[
     "test/lexer.nas        ",
     "test/life.nas         ",
     "test/loop.nas         ",
+    "test/maketimer_sim.nas",
     "test/mandel.nas       ",
     "test/mandelbrot.nas   ",
     "test/md5.nas          ",

test/maketimer_sim.nas

@@ -0,0 +1,87 @@
+
+var process=nil;
+var task={};
+var event={};
+
+var add_event=func(name,interval,function){
+    event[name]=coroutine.create(func{
+        unix.sleep(interval);
+        println("[event] ",name);
+        function();
+    });
+}
+
+var add_task=func(name,interval,function){
+    
+    task[name]=coroutine.create(func{
+        while(1){
+            unix.sleep(interval);
+            println("[task] ",name);
+            function();
+            coroutine.yield();
+        }
+    });
+}
+
+var remove_task=func(name){
+    if(contains(task,name))
+        delete(task,name);
+}
+
+var remove_event=func(name){
+    if(contains(event,name))
+        delete(event,name);
+}
+
+var maketimer=func(interval,function){
+    var name="nasal-timer-";
+    var res={
+        start:func{
+            if(me.isRunning)
+                return;
+            me.isRunning=1;
+            if(me.singleShot){
+                add_event(name,interval,function);
+            }else{
+                add_task(name,interval,function);
+            }
+        },
+        stop:func{
+            if(me.isRunning){
+                remove_task(name);
+                me.isRunning=0;
+            }
+        },
+        restart:func(itv){
+            interval=itv;
+            me.stop();
+            me.start();
+        },
+        singleShot:0,
+        isRunning:0,
+        simulatedTime:0
+    };
+    name~=id(res);
+    return res;
+}
+
+var simulation=func(){
+    var running=1;
+    while(running){
+        running=0;
+        foreach(var i;keys(task)){
+            if(coroutine.resume(task[i])!=nil){
+                running=1;
+            }else{
+                remove_task(i);
+            }
+        }
+        foreach(var i;keys(event)){
+            if(coroutine.resume(event[i])!=nil){
+                running=1;
+            }else{
+                remove_event(i);
+            }
+        }
+    }
+}

test/md5compare.nas

@@ -79,6 +79,7 @@ var filechecksum=func(){
         "./test/lexer.nas        ",
         "./test/life.nas         ",
         "./test/loop.nas         ",
+        "./test/maketimer_sim.nas",
         "./test/mandel.nas       ",
         "./test/mandelbrot.nas   ",
         "./test/md5.nas          ",

test/props_sim.nas

@@ -1,25 +1,7 @@
 var geodinfo=func(lat,lon){
-    return {};
+    return [nil,{
-}
+        names:["Road","Freeway"]
-var maketimer=func(interval,function){
+    }];
-    return {
-        isRunning:0,
-        start:func(){
-            me.isRunning=1;
-            while(1){
-                unix.sleep(interval);
-                function();
-            }
-        },
-        stop:func(){
-            me.isRunning=0;
-        },
-        restart:func(interval){
-
-        },
-        singleShot:0,
-        simulatedTime:0
-    };
 }
 
 var props=
@@ -175,5 +157,20 @@ props.getNode('/test/in',0).setValue('/','true');
 props.getNode('/test/in',1).setValue('/','false');
 props.getNode('/test/in',2).setValue('/','welcome aboard,need help? use help->tutorial');
 props.getNode('/test/in',3).setValue('/',2147483648);
+
+props.getNode("/sim",1).addChild("messages");
+props.getNode("/sim/messages",1).addChild("copilot");
+props.getNode("/position",1).addChild("latitude-deg");
+props.getNode("/position",1).addChild("longitude-deg");
+props.getNode("/orientation",1).addChild("heading-deg");
+props.getNode("/controls",1).addChild("flight");
+props.getNode("/controls/flight",1).addChild("rudder");
+
+props.getNode("/sim/messages/copilot",1).setValue('/',"nothing");
+props.getNode("/position/latitude-deg",1).setValue('/',90);
+props.getNode("/position/longitude-deg",1).setValue('/',90);
+props.getNode("/orientation/heading-deg",1).setValue('/',90);
+props.getNode("/controls/flight/rudder",1).setValue('/',0.114);
 props.globals.debug();
-println(props.getNode('/test/in',3).getPath());
+
+println("-----------------------------------");

test/snake.nas

@@ -165,8 +165,7 @@ var game=func(x,y){
                 gameover=2;
         },
         move:func(c){
-            if(c=='w' or c=='a' or c=='s' or c=='d')
+            move=c;
-                move=c;
         },
         gameover:func(){
             return gameover;
@@ -174,6 +173,15 @@ var game=func(x,y){
     }
 }
 
+var co=coroutine.create(func(){
+    var t=maketimestamp();
+    while(1){
+        t.stamp();
+        while(t.elapsedMSec()<20);
+        coroutine.yield();
+    }
+});
+
 var main=func(){
     if(os.platform()=="windows")
         system("chcp 65001");
@@ -184,7 +192,7 @@ var main=func(){
     print("\rpress any key to start...");
     libkey.getch();
     print("\r                         \r");
-    var counter=12;
+    var counter=20;
     while(1){
         var ch=libkey.nonblock();
         if(ch!=nil){
@@ -197,15 +205,15 @@ var main=func(){
             }
             g.move(chr(ch));
         }
-        unix.sleep(0.02);
         counter-=1;
-        if(counter==0){
+        if(!counter){
             counter=20;
             g.next();
             if(g.gameover())
                 break;
             g.print();
         }
+        coroutine.resume(co);
     }
 
     println(g.gameover()<=1?"game over.":"you win!");