🚀 add native function println & add test/occupation.nas

test/calc.nas

@@ -1,16 +1,16 @@
 var source=[
     "main.cpp              ",
-    "nasal_err.h           ",
     "nasal_ast.h           ",
     "nasal_builtin.h       ",
     "nasal_codegen.h       ",
-    "nasal_opt.h           ",
+    "nasal_dbg.h           ",
+    "nasal_err.h           ",
     "nasal_gc.h            ",
     "nasal_import.h        ",
     "nasal_lexer.h         ",
+    "nasal_opt.h           ",
     "nasal_parse.h         ",
     "nasal_vm.h            ",
-    "nasal_dbg.h           ",
     "nasal.h               "
 ];
 
@@ -55,6 +55,7 @@ var testfile=[
     "test/md5compare.nas   ",
     "test/module_test.nas  ",
     "test/nasal_test.nas   ",
+    "test/occupation.nas   ",
     "test/pi.nas           ",
     "test/prime.nas        ",
     "test/qrcode.nas       ",

test/md5compare.nas

@@ -86,6 +86,7 @@ var filechecksum=func(){
         "./test/md5compare.nas   ",
         "./test/module_test.nas  ",
         "./test/nasal_test.nas   ",
+        "./test/occupation.nas   ",
         "./test/pi.nas           ",
         "./test/prime.nas        ",
         "./test/qrcode.nas       ",

test/occupation.nas

@@ -0,0 +1,50 @@
+var cpu_stat=func(){
+    var cpu=split("\n",io.fin("/proc/stat"))[0];
+    cpu=split(" ",cpu);
+    cpu={
+        name:cpu[0],
+        user:cpu[1],
+        nice:cpu[2],
+        system:cpu[3],
+        idle:cpu[4],
+        iowait:cpu[5],
+        irq:cpu[6],
+        softirq:cpu[7],
+    };
+    return cpu;
+}
+var cpu_occupation=func(){
+    var cpu0=cpu_stat();
+    unix.sleep(1);
+    var cpu1=cpu_stat();
+    var t0=cpu0.user+cpu0.nice+cpu0.system+cpu0.idle+cpu0.iowait+cpu0.irq+cpu0.softirq;
+    var t1=cpu1.user+cpu1.nice+cpu1.system+cpu1.idle+cpu1.iowait+cpu1.irq+cpu1.softirq;
+    var interval=cpu1.idle-cpu0.idle;
+    return t0==t1?0:(1-interval/(t1-t0))*100;
+}
+
+var mem_occupation=func(){
+    var meminfo=split("\n",io.fin("/proc/meminfo"));
+    var mem_res={};
+    forindex(var i;meminfo){
+        var tmp=split(" ",meminfo[i])[0:1];
+        tmp[0]=substr(tmp[0],0,size(tmp[0])-1);
+        mem_res[tmp[0]]=num(tmp[1]);
+    }
+    return mem_res;
+}
+func(){
+    if(os.platform()=="windows"){
+        println("haven't supported yet.");
+        return;
+    }
+    while(1){
+        var mem=mem_occupation();
+        var mem_occ=(mem.MemTotal-mem.MemFree)/mem.MemTotal*100;
+        var cpu_occ=cpu_occupation();
+        println("CPU occupation(%)   : ",cpu_occ>90?"\e[91m":"\e[32m",cpu_occ,"\e[0m");
+        println("Memory total(GB)    : \e[36m",mem.MemTotal/1024/1024,"\e[0m");
+        println("Memory free(GB)     : \e[36m",mem.MemFree/1024/1024,"\e[0m");
+        println("Memory occupation(%): ",mem_occ>30?"\e[91m":"\e[32m",mem_occ,"\e[0m");
+    }
+}();