From 8b8fb790139bd19df5acd2469674d73ef8a9491d Mon Sep 17 00:00:00 2001
From: ValKmjolnir <lhk101lhk101@qq.com>
Date: Sat, 2 Jul 2022 13:53:50 +0800
Subject: [PATCH] :memo: unify code style of ./stl ./test

---
 .gitattributes       |   1 +
 module/libfib.nas    |   3 +-
 nasal.h              |   7 +--
 stl/fg_env.nas       |  63 +++++++++-----------------
 stl/list.nas         |   3 +-
 stl/queue.nas        |   3 +-
 stl/sort.nas         |   6 +--
 stl/stack.nas        |   3 +-
 test/ascii-art.nas   |  39 ++++++-----------
 test/auto_crash.nas  |  16 +++----
 test/bfconvertor.nas |  44 ++++++-------------
 test/bfs.nas         |  24 ++++------
 test/bp.nas          |  63 +++++++++-----------------
 test/httptest.nas    |  55 +++++++++++++----------
 test/json.nas        |  92 ++++++++++++--------------------------
 test/lexer.nas       | 102 +++++++++++++++----------------------------
 test/life.nas        |  21 +++------
 test/loop.nas        |  12 ++---
 test/mandelbrot.nas  |  12 ++---
 test/quick_sort.nas  |   6 +--
 20 files changed, 200 insertions(+), 375 deletions(-)
 create mode 100644 .gitattributes

diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..4fded91
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.nas linguist-language=nasal
\ No newline at end of file
diff --git a/module/libfib.nas b/module/libfib.nas
index 49b5457..f9a576e 100644
--- a/module/libfib.nas
+++ b/module/libfib.nas
@@ -3,8 +3,7 @@ var libfib=func(){
     var fib=dylib.dlsym(dl,"fib");
     var qfib=dylib.dlsym(dl,"quick_fib");
     var call=dylib.dlcall;
-    return
-    {
+    return {
         fib: func(x){return call(fib,x)},
         qfib:func(x){return call(qfib,x)}
     };
diff --git a/nasal.h b/nasal.h
index 6c6fd35..30f77de 100644
--- a/nasal.h
+++ b/nasal.h
@@ -1,9 +1,7 @@
 #ifndef __NASAL_H__
 #define __NASAL_H__
-
 #define __nasver "10.0"
 
-
 #include <unistd.h>
 
 #include <cstdint>
@@ -150,10 +148,7 @@ int utf8_hdchk(char head)
 
 std::string chrhex(const char c)
 {
-    std::string res="";
-    res+="0123456789abcdef"[(c&0xf0)>>4];
-    res+="0123456789abcdef"[c&0x0f];
-    return res;
+    return {"0123456789abcdef"[(c&0xf0)>>4],"0123456789abcdef"[c&0x0f]};
 }
 
 std::string rawstr(const std::string& str)
diff --git a/stl/fg_env.nas b/stl/fg_env.nas
index b06db61..c8168d0 100644
--- a/stl/fg_env.nas
+++ b/stl/fg_env.nas
@@ -215,19 +215,16 @@ var geodinfo=func(lat,lon){
 }
 
 println("[\e[32m props     \e[0m] [",os.time(),"] init props");
-var props=
-{
+var props={
     globals:nil,
     Node:nil,
-    getNode:func(path,index)
-    {
+    getNode:func(path,index){
         path=split('/',path);
         var tmp=me.globals;
         var path_size=size(path);
         for(var i=0;i<path_size-1;i+=1)
             tmp=tmp.val[path[i]];
-        if(path_size>0)
-        {
+        if(path_size>0){
             if(contains(tmp.val,path[i]~'['~index~']'))
                 return tmp.val[path[i]~'['~index~']'];
             else
@@ -239,10 +236,8 @@ var props=
 
 println("[\e[32m props     \e[0m] [",os.time(),"] init props.Node");
 
-props.Node=
-{
-    new:func(values=nil)
-    {
+props.Node={
+    new:func(values=nil){
         var res={
             parents:fg_env_props_node_traits,
             val:{},
@@ -253,35 +248,29 @@ props.Node=
             res.val=values;
         return res;
     },
-    addChild:func(name)
-    {
-        if(!contains(me.val,name))
-        {
+    addChild:func(name){
+        if(!contains(me.val,name)){
             me.val[name]=props.Node.new();
             me.val[name].parent=me;
             return 1;
         }
         return 0;
     },
-    addChildren:func(name,cnt=0)
-    {
-        for(var i=0;i<cnt;i+=1)
-        {
+    addChildren:func(name,cnt=0){
+        for(var i=0;i<cnt;i+=1){
             var label=name~'['~i~']';
             me.val[label]=props.Node.new();
             me.val[label].parent=me;
         }
         return;
     },
-    setValue:func(path,val)
-    {
+    setValue:func(path,val){
         path=split('/',path);
         var tmp=me;
         foreach(var label;path)
             tmp=tmp.val[label];
         tmp.val=val;
-        if(typeof(val)=='str')
-        {
+        if(typeof(val)=='str'){
             if(val=='true' or val=='false')
                 tmp.type='BOOL';
             else
@@ -291,56 +280,46 @@ props.Node=
             tmp.type='DOUBLE';
         return;
     },
-    setIntValue:func(num)
-    {
+    setIntValue:func(num){
         me.val=num;
         me.type='INT';
         return;
     },
-    setBoolValue:func(state)
-    {
+    setBoolValue:func(state){
         me.val=state;
         me.type='BOOL';
         return;
     },
-    setDoubleValue:func(num)
-    {
+    setDoubleValue:func(num){
         me.val=num;
         me.type='DOUBLE';
         return;
     },
     getValue:func(){return me.val;},
-    getName:func()
-    {
+    getName:func(){
         var val=me.parent.val;
         foreach(var k;keys(val))
             if(val[k]==me)
                 return k;
         return '';
     },
-    getParent:func()
-    {
+    getParent:func(){
         return me.parent;
     },
-    getPath:func()
-    {
+    getPath:func(){
         if(me.parent==nil) return '';
         return me.parent.getPath()~'/'~me.getName();
     },
     equals:func(node){return me==node;},
-    debug:func(s='')
-    {
-        if(typeof(me.val)=='hash')
-        {
+    debug:func(s=''){
+        if(typeof(me.val)=='hash'){
             var key=keys(me.val);
-            if(!size(key))
-            {
+            if(!size(key)){
                 println("\e[91m{}\e[0m");
                 return;
             }
             println('\e[91m{\e[0m');
-            foreach(var k;key)
-            {
+            foreach(var k;key){
                 print(s~"   ","\e[34m",k,"\e[0m\e[95m:\e[0m");
                 me.val[k].debug(s~"   ");
             }
diff --git a/stl/list.nas b/stl/list.nas
index c91e51a..6b7d669 100644
--- a/stl/list.nas
+++ b/stl/list.nas
@@ -1,7 +1,6 @@
 # list.nas
 # valkmjolnir 2021/3/31
-var list=func()
-{
+var list=func(){
     var (begin,end)=(nil,nil);
     return{
         push_back:func(elem){
diff --git a/stl/queue.nas b/stl/queue.nas
index 8c1750a..c455e26 100644
--- a/stl/queue.nas
+++ b/stl/queue.nas
@@ -1,7 +1,6 @@
 # queue.nas
 # valkmjolnir 2021/3/31
-var queue=func()
-{
+var queue=func(){
     var (begin,end)=(nil,nil);
     return{
         push:func(elem){
diff --git a/stl/sort.nas b/stl/sort.nas
index 75af643..e3ed1aa 100644
--- a/stl/sort.nas
+++ b/stl/sort.nas
@@ -1,11 +1,9 @@
 # sort.nas
 # valkmjolnir 2021/4/2
-var sort=func(vec,left,right,cmp=func(a,b){return a<=b;})
-{
+var sort=func(vec,left,right,cmp=func(a,b){return a<=b;}){
     if(left>=right) return nil;
     var (L,R,tmp)=(left,right,vec[left]);
-    while(left<right)
-    {
+    while(left<right){
         while(left<right and cmp(tmp,vec[right]))
             right-=1;
         while(left<right and cmp(vec[left],tmp))
diff --git a/stl/stack.nas b/stl/stack.nas
index 729e4c1..c4bef1e 100644
--- a/stl/stack.nas
+++ b/stl/stack.nas
@@ -1,7 +1,6 @@
 # stack.nas
 # valkmjolnir 2021/3/31
-var stack=func()
-{
+var stack=func(){
     var next=nil;
     return{
         push:func(elem){
diff --git a/test/ascii-art.nas b/test/ascii-art.nas
index 6b86218..387bc4f 100644
--- a/test/ascii-art.nas
+++ b/test/ascii-art.nas
@@ -27,11 +27,9 @@ var char_ttf=[
     ["██╗   ██╗","╚██╗ ██╔╝"," ╚████╔╝ ","  ╚██╔╝  ","   ██║   ","   ╚═╝   "],
     ["████████╗","╚════██╔╝","   ██╔═╝ "," ██╔═╝   ","████████╗","╚═══════╝"],
 ];
-var trans_ttf=func(string)
-{
+var trans_ttf=func(string){
     var str=["","","","","",""];
-    for(var i=0;i<size(string);i+=1)
-    {
+    for(var i=0;i<size(string);i+=1){
         var number=string[i];
         if(97<=number and number<=122)
             for(var j=0;j<6;j+=1)
@@ -47,45 +45,37 @@ var trans_ttf=func(string)
         println(i);
     return;
 }
-var curve1=func()
-{
+var curve1=func(){
     var shadow=["░","▒","▓","█","▀","▄","▐","▌"];
     rand(100);
     var s="";
-    for(var i=0;i<10;i+=1)
-    {
+    for(var i=0;i<10;i+=1){
         for(var j=0;j<40;j+=1)
             s~=shadow[int(8*rand())];
         s~='\n';
     }
     print(s);
 }
-var curve2=func()
-{
+var curve2=func(){
     var table=["╚","═","╝","╔","║","╗"];
     rand(100);
     var s="";
-    for(var i=0;i<10;i+=1)
-    {
+    for(var i=0;i<10;i+=1){
         for(var j=0;j<40;j+=1)
             s~=table[int(6*rand())];
         s~='\n';
     }
     print(s);
 }
-var curve3=func()
-{
+var curve3=func(){
     var s=["","","","","",""];
     var cnt=0;
-    foreach(var char;char_ttf)
-    {
+    foreach(var char;char_ttf){
         cnt+=1;
         forindex(var i;char)
             s[i]~=char[i];
-        if(cnt==9)
-        {
-            forindex(var i;s)
-            {
+        if(cnt==9){
+            forindex(var i;s){
                 println(s[i]);
                 s[i]='';
             }
@@ -94,13 +84,10 @@ var curve3=func()
     }
     return;
 }
-var curve4=func()
-{
+var curve4=func(){
     var arr=[0,1,2,3,4,5,6,7,8,0,1,2,3,4,5,6,7,8,0,1,2,3,4,5,6,7,8];
-    for(var loop=0;loop<10;loop+=1)
-    {
-        for(var i=26;i>=0;i-=1)
-        {
+    for(var loop=0;loop<10;loop+=1){
+        for(var i=26;i>=0;i-=1){
             var rand_index=int(i*rand());
             (arr[i],arr[rand_index])=(arr[rand_index],arr[i]);
         }
diff --git a/test/auto_crash.nas b/test/auto_crash.nas
index 2a053e2..8a691f9 100644
--- a/test/auto_crash.nas
+++ b/test/auto_crash.nas
@@ -21,16 +21,14 @@ var road_check_func = func(){
     var position_info = geodinfo(lat,lon);
     var position_names = position_info[1].names;
 
-    if((position_names[0]=="Freeway") or (position_names[0]=="Road"))
-    {
+    if((position_names[0]=="Freeway") or (position_names[0]=="Road")){
         var car_heading = 0;
         var lat_change  = 0;
         var lon_change  = 0;
         var left_range  = 0;
         var right_range = 0;
 
-        for(var i=0;i>-0.00005;i-=0.000001)
-        {
+        for(var i=0;i>-0.00005;i-=0.000001){
             car_heading = props.getNode("/orientation/heading-deg",1).getValue();
             lat_change  = math.sin(D2R*car_heading);
             lon_change  = -math.cos(D2R*car_heading);
@@ -43,8 +41,7 @@ var road_check_func = func(){
             else
                 break;
         }
-        for(var i=0;i<0.00005;i+=0.000001)
-        {
+        for(var i=0;i<0.00005;i+=0.000001){
             car_heading = props.getNode("/orientation/heading-deg",1).getValue();
             lat_change  = math.sin(D2R*car_heading);
             lon_change  = -math.cos(D2R*car_heading);
@@ -80,14 +77,11 @@ var road_check_func = func(){
 
 var road_check_timer = maketimer(0.01,road_check_func);
 var toggle_auto_pilot = func(){
-    if(!road_check_timer.isRunning)
-    {
+    if(!road_check_timer.isRunning){
         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!");
-    }
-    else
-    {
+    }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.");
     }
diff --git a/test/bfconvertor.nas b/test/bfconvertor.nas
index a0bf7b6..abdd103 100644
--- a/test/bfconvertor.nas
+++ b/test/bfconvertor.nas
@@ -152,20 +152,16 @@ var bf=func(program)
     var stack=[];
     var len=size(program);
     var f="#automatically generated by bfconvertor.nas\nimport('lib.nas');\nvar ptr=0;\nvar paper=[];\nsetsize(paper,131072);\n";
-    for(var i=0;i<len;i+=1)
-    {
+    for(var i=0;i<len;i+=1){
         var c=chr(program[i]);
-        if(c=='+' or c=='-')
-        {
+        if(c=='+' or c=='-'){
             var cnt=0;
-            for(;i<len;i+=1)
-            {
+            for(;i<len;i+=1){
                 if(chr(program[i])=='+')
                     cnt+=1;
                 elsif(chr(program[i])=='-')
                     cnt-=1;
-                elsif(chr(program[i])!='\n')
-                {
+                elsif(chr(program[i])!='\n'){
                     i-=1;
                     break;
                 }
@@ -177,18 +173,14 @@ var bf=func(program)
                 f~="paper[ptr]+="~cnt~";\n";
             elsif(cnt<0)
                 f~="paper[ptr]-="~(-cnt)~";\n";
-        }
-        elsif(c=='<' or c=='>')
-        {
+        }elsif(c=='<' or c=='>'){
             var cnt=0;
-            for(;i<len;i+=1)
-            {
+            for(;i<len;i+=1){
                 if(chr(program[i])=='>')
                     cnt+=1;
                 elsif(chr(program[i])=='<')
                     cnt-=1;
-                elsif(chr(program[i])!='\n')
-                {
+                elsif(chr(program[i])!='\n'){
                     i-=1;
                     break;
                 }
@@ -200,21 +192,15 @@ var bf=func(program)
                 f~="ptr+="~cnt~";\n";
             elsif(cnt<0)
                 f~="ptr-="~(-cnt)~";\n";
-        }
-        elsif(c==',')
-        {
+        }elsif(c==','){
             for(var j=0;j<size(stack);j+=1)
                 f~='\t';
             f~="paper[ptr]=input();\n";
-        }
-        elsif(c=='.')
-        {
+        }elsif(c=='.'){
             for(var j=0;j<size(stack);j+=1)
                 f~='\t';
             f~="print(chr(paper[ptr]));\n";
-        }
-        elsif(c=='[')
-        {
+        }elsif(c=='['){
             for(var j=0;j<size(stack);j+=1)
                 f~='\t';
             f~="while(paper[ptr])\n";
@@ -222,11 +208,8 @@ var bf=func(program)
                 f~='\t';
             f~="{\n";
             append(stack,0);
-        }
-        elsif(c==']')
-        {
-            if(!size(stack))
-            {
+        }elsif(c==']'){
+            if(!size(stack)){
                 println("lack [");
                 return;
             }
@@ -236,8 +219,7 @@ var bf=func(program)
             f~="}\n";
         }
     }
-    if(size(stack))
-    {
+    if(size(stack)){
         println("lack ]");
         return;
     }
diff --git a/test/bfs.nas b/test/bfs.nas
index 8d0878c..8d7ace7 100644
--- a/test/bfs.nas
+++ b/test/bfs.nas
@@ -3,18 +3,15 @@ import("stl/queue.nas");
 rand(time(0));
 var pixel=[' ','#','.','*'];
 var map=[];
-for(var i=0;i<10;i+=1)
-{
+for(var i=0;i<10;i+=1){
     append(map,[]);
     for(var j=0;j<20;j+=1)
         append(map[i],(rand()>0.7));
 }
 
-var prt=func()
-{
+var prt=func(){
     var s="\e[0;0H+--------------------+\n";
-    for(var i=0;i<10;i+=1)
-    {
+    for(var i=0;i<10;i+=1){
         s~="|";
         for(var j=0;j<20;j+=1)
             s~=pixel[map[i][j]];
@@ -25,30 +22,25 @@ var prt=func()
     unix.sleep(1/144);
 }
 
-var bfs=func(begin,end)
-{
+var bfs=func(begin,end){
     var move=[[1,0],[0,1],[-1,0],[0,-1]];
     var que=queue();
     que.push(begin);
     map[begin[0]][begin[1]]=2;
     map[end[0]][end[1]]=0;
-    while(!que.empty())
-    {
+    while(!que.empty()){
         var vertex=que.front();
         que.pop();
-        foreach(var i;move)
-        {
+        foreach(var i;move){
             var x=vertex[0]+i[0];
             var y=vertex[1]+i[1];
-            if(x==end[0] and y==end[1])
-            {
+            if(x==end[0] and y==end[1]){
                 map[x][y]=3;
                 prt();
                 print("reached.\n");
                 return;
             }
-            if(0<=x and x<10 and 0<=y and y<20 and map[x][y]==0)
-            {
+            if(0<=x and x<10 and 0<=y and y<20 and map[x][y]==0){
                 que.push([x,y]);
                 map[x][y]=2;
             }
diff --git a/test/bp.nas b/test/bp.nas
index 7326b08..db5df08 100644
--- a/test/bp.nas
+++ b/test/bp.nas
@@ -1,7 +1,6 @@
 rand(time(0));
 
-var new_neuron=func()
-{
+var new_neuron=func(){
     return {
         in:0,
         out:0,
@@ -11,22 +10,18 @@ var new_neuron=func()
     };
 }
 
-var tanh=func(x)
-{
+var tanh=func(x){
     var (a,b)=(math.exp(x),math.exp(-x));
     return (a-b)/(a+b);
 }
-var difftanh=func(x)
-{
+var difftanh=func(x){
     x=tanh(x);
     return 1-x*x;
 }
-var sigmoid=func(x)
-{
+var sigmoid=func(x){
     return 1/(1+math.exp(-x));
 }
-var diffsigmoid=func(x)
-{
+var diffsigmoid=func(x){
     x=sigmoid(x);
     return x*(1-x);
 }
@@ -36,8 +31,7 @@ var training_set=[[0,0],[0,1],[1,0],[1,1]];
 var expect=[0,1,1,0];
 
 var hidden=[];
-for(var i=0;i<hnum;i+=1)
-{
+for(var i=0;i<hnum;i+=1){
     append(hidden,new_neuron());
     for(var j=0;j<inum;j+=1)
         append(hidden[i].w,rand()>0.5?-2*rand():2*rand());
@@ -45,26 +39,22 @@ for(var i=0;i<hnum;i+=1)
 }
 
 var output=[];
-for(var i=0;i<onum;i+=1)
-{
+for(var i=0;i<onum;i+=1){
     append(output,new_neuron());
     for(var j=0;j<hnum;j+=1)
         append(output[i].w,rand()>0.5?-2*rand():2*rand());
     output[i].bia=rand()>0.5?-5*rand():5*rand();
 }
 
-var forward=func(x)
-{
+var forward=func(x){
     var input=training_set[x];
-    for(var i=0;i<hnum;i+=1)
-    {
+    for(var i=0;i<hnum;i+=1){
         hidden[i].in=hidden[i].bia;
         for(var j=0;j<inum;j+=1)
             hidden[i].in+=hidden[i].w[j]*input[j];
         hidden[i].out=tanh(hidden[i].in);
     }
-    for(var i=0;i<onum;i+=1)
-    {
+    for(var i=0;i<onum;i+=1){
         output[i].in=output[i].bia;
         for(var j=0;j<hnum;j+=1)
             output[i].in+=output[i].w[j]*hidden[j].out;
@@ -72,18 +62,15 @@ var forward=func(x)
     }
     return;
 }
-var run=func(vec)
-{
+var run=func(vec){
     var input=vec;
-    for(var i=0;i<hnum;i+=1)
-    {
+    for(var i=0;i<hnum;i+=1){
         hidden[i].in=hidden[i].bia;
         for(var j=0;j<inum;j+=1)
             hidden[i].in+=hidden[i].w[j]*input[j];
         hidden[i].out=tanh(hidden[i].in);
     }
-    for(var i=0;i<onum;i+=1)
-    {
+    for(var i=0;i<onum;i+=1){
         output[i].in=output[i].bia;
         for(var j=0;j<hnum;j+=1)
             output[i].in+=output[i].w[j]*hidden[j].out;
@@ -91,29 +78,24 @@ var run=func(vec)
     }
     return;
 }
-var get_error=func(x)
-{
+var get_error=func(x){
     return 0.5*(expect[x]-output[0].out)*(expect[x]-output[0].out);
 }
-var backward=func(x)
-{
+var backward=func(x){
     var input=training_set[x];
     output[0].diff=(expect[x]-output[0].out)*diffsigmoid(output[0].in);
-    for(var i=0;i<hnum;i+=1)
-    {
+    for(var i=0;i<hnum;i+=1){
         hidden[i].diff=0;
         for(var j=0;j<onum;j+=1)
             hidden[i].diff+=output[j].w[i]*output[j].diff;
         hidden[i].diff*=difftanh(hidden[i].in);
     }
-    for(var i=0;i<hnum;i+=1)
-    {
+    for(var i=0;i<hnum;i+=1){
         hidden[i].bia+=hidden[i].diff;
         for(var j=0;j<inum;j+=1)
             hidden[i].w[j]+=hidden[i].diff*input[j];
     }
-    for(var i=0;i<onum;i+=1)
-    {
+    for(var i=0;i<onum;i+=1){
         output[i].bia+=output[i].diff;
         for(var j=0;j<hnum;j+=1)
             output[i].w[j]+=output[i].diff*hidden[j].out;
@@ -122,11 +104,9 @@ var backward=func(x)
 }
 
 var (cnt,error)=(0,100);
-while(error>0.0005)
-{
+while(error>0.0005){
     error=0;
-    for(var i=0;i<4;i+=1)
-    {
+    for(var i=0;i<4;i+=1){
         forward(i);
         error+=get_error(i);
         backward(i);
@@ -134,8 +114,7 @@ while(error>0.0005)
     cnt+=1;
 }
 print('finished after ',cnt,' epoch.\n');
-foreach(var v;training_set)
-{
+foreach(var v;training_set){
     run(v);
     print(v,': ',output[0].out,'\n');
 }
\ No newline at end of file
diff --git a/test/httptest.nas b/test/httptest.nas
index 39de807..a75a161 100644
--- a/test/httptest.nas
+++ b/test/httptest.nas
@@ -235,30 +235,37 @@ var html_read_file=func(filename){
 
 var respond={
     ok:func(html){
+        println("[",os.time(),"] 200 OK");
         return "Http/1.1 200 OK\n\n"~html~"\n";
     },
-    not_found:"Http/1.1 404 NOT FOUND\n\n<!DOCTYPE html>
-        <head>
-            <title> 404 not found </title>
-            <meta charset=\"utf-8\">
-        </head>
-        <body>
-            <text>
-                404 NOT FOUND!
-            </text>
-        </body>
-    </html>\n",
-    teapot:"Http/1.1 418 I'm a teapot\n\n<!DOCTYPE html>
-        <head>
-            <title> I'm a teapot </title>
-            <meta charset=\"utf-8\">
-        </head>
-        <body>
-            <text>
-                This server cannot brew coffee because it is a teapot.
-            </text>
-        </body>
-    </html>\n"
+    not_found:func(){
+        println("[",os.time(),"] 404 NOT FOUND");
+        return "Http/1.1 404 NOT FOUND\n\n<!DOCTYPE html>
+            <head>
+                <title> 404 not found </title>
+                <meta charset=\"utf-8\">
+            </head>
+            <body>
+                <text>
+                    404 NOT FOUND!
+                </text>
+            </body>
+        </html>\n";
+    },
+    teapot:func(){
+        println("[",os.time(),"] 418 I'm a teapot");
+        return "Http/1.1 418 I'm a teapot\n\n<!DOCTYPE html>
+            <head>
+                <title> I'm a teapot </title>
+                <meta charset=\"utf-8\">
+            </head>
+            <body>
+                <text>
+                    This server cannot brew coffee because it is a teapot.
+                </text>
+            </body>
+        </html>\n";
+    }
 };
 
 var files=func(){
@@ -314,9 +321,9 @@ while(1){
                 http.send(client,respond.ok(page~html_read_file("./test/"~filename)~page_back));
             }
             elsif(filename=="teapot")
-                http.send(client,respond.teapot);
+                http.send(client,respond.teapot());
             else
-                http.send(client,respond.not_found);
+                http.send(client,respond.not_found());
         }
     }elsif(data.type=="POST"){
         http.send(client,respond.not_found);
diff --git a/test/json.nas b/test/json.nas
index b8b14be..d363aa6 100644
--- a/test/json.nas
+++ b/test/json.nas
@@ -61,8 +61,7 @@ var JSON=func(){
         ('A'[0]<=tmp and tmp<='Z'[0]) or
         c=='_';
     }
-    var check=func()
-    {
+    var check=func(){
         var c=text[ptr];
         return (
             c=='{' or c=='}' or
@@ -73,8 +72,7 @@ var JSON=func(){
         );
     }
 
-    var get=func(str)
-    {
+    var get=func(str){
         init();
         if(!size(str))
             die("empty string");
@@ -82,84 +80,61 @@ var JSON=func(){
         text_size=size(text);
         return;
     }
-    var next=func()
-    {
-        while(ptr<text_size and !check())
-        {
+    var next=func(){
+        while(ptr<text_size and !check()){
             if(text[ptr]=='\n')
                 line+=1;
             ptr+=1;
         }
-        if(ptr>=text_size)
-        {
+        if(ptr>=text_size){
             token.content="eof";
             token.type=j_eof;
             return;
         }
         
         var c=text[ptr];
-        if(c=='{')
-        {
+        if(c=='{'){
             token.content='{';
             token.type=j_lbrace;
-        }
-        elsif(c=='}')
-        {
+        }elsif(c=='}'){
             token.content='}';
             token.type=j_rbrace;
-        }
-        elsif(c=='[')
-        {
+        }elsif(c=='['){
             token.content='[';
             token.type=j_lbracket;
-        }
-        elsif(c==']')
-        {
+        }elsif(c==']'){
             token.content=']';
             token.type=j_rbracket;
-        }
-        elsif(c==',')
-        {
+        }elsif(c==','){
             token.content=',';
             token.type=j_comma;
-        }
-        elsif(c==':')
-        {
+        }elsif(c==':'){
             token.content=':';
             token.type=j_colon;
-        }
-        elsif(c=='\"' or c=='\'')
-        {
+        }elsif(c=='\"' or c=='\''){
             var strbegin=c;
             var s="";
             ptr+=1;
-            while(ptr<text_size and text[ptr]!=strbegin)
-            {
+            while(ptr<text_size and text[ptr]!=strbegin){
                 s~=text[ptr];
                 ptr+=1;
             }
             token.content=s;
             token.type=j_str;
-        }
-        elsif(isnum(c))
-        {
+        }elsif(isnum(c)){
             var s=c;
             ptr+=1;
-            while(ptr<text_size and ((isnum(text[ptr]) or text[ptr]=='.')))
-            {
+            while(ptr<text_size and ((isnum(text[ptr]) or text[ptr]=='.'))){
                 s~=text[ptr];
                 ptr+=1;
             }
             ptr-=1;
             token.content=num(s);
             token.type=j_num;
-        }
-        elsif(isid(c))
-        {
+        }elsif(isid(c)){
             var s=c;
             ptr+=1;
-            while(ptr<text_size and (isid(text[ptr]) or isnum(text[ptr])))
-            {
+            while(ptr<text_size and (isid(text[ptr]) or isnum(text[ptr]))){
                 s~=text[ptr];
                 ptr+=1;
             }
@@ -171,21 +146,18 @@ var JSON=func(){
         return;
     }
 
-    var match=func(type)
-    {
+    var match=func(type){
         if(token.type!=type)
             print("line ",line,": expect ",j_content[type]," but get `",token.content,"`.\n");
         next();
         return;
     }
 
-    var hash_gen=func()
-    {
+    var hash_gen=func(){
         var hash={};
         match(j_lbrace);
         member(hash);
-        while(token.type==j_comma)
-        {
+        while(token.type==j_comma){
             match(j_comma);
             member(hash);
         }
@@ -193,28 +165,24 @@ var JSON=func(){
         return hash;
     }
 
-    var vec_gen=func()
-    {
+    var vec_gen=func(){
         var vec=[];
         match(j_lbracket);
         if(token.type==j_lbrace)
             append(vec,hash_gen());
         elsif(token.type==j_lbracket)
             append(vec,vec_gen());
-        elsif(token.type==j_str or token.type==j_num)
-        {
+        elsif(token.type==j_str or token.type==j_num){
             append(vec,token.content);
             next();
         }
-        while(token.type==j_comma)
-        {
+        while(token.type==j_comma){
             match(j_comma);
             if(token.type==j_lbrace)
                 append(vec,me.hash_gen());
             elsif(token.type==j_lbracket)
                 append(vec,vec_gen());
-            elsif(token.type==j_str or token.type==j_num)
-            {
+            elsif(token.type==j_str or token.type==j_num){
                 append(vec,token.content);
                 next();
             }
@@ -223,8 +191,7 @@ var JSON=func(){
         return vec;
     }
 
-    var member=func(hash)
-    {
+    var member=func(hash){
         var name=token.content;
         if(token.type==j_rbrace)
             return;
@@ -237,16 +204,14 @@ var JSON=func(){
             hash[name]=hash_gen();
         elsif(token.type==j_lbracket)
             hash[name]=vec_gen();
-        elsif(token.type==j_str or token.type==j_num)
-        {
+        elsif(token.type==j_str or token.type==j_num){
             hash[name]=token.content;
             next();
         }
         return;
     }
     return {
-        parse:func(str)
-        {
+        parse:func(str){
             if(typeof(str)!="str")
                 die("JSON.parse: must use string");
             get(str);
@@ -254,8 +219,7 @@ var JSON=func(){
 
             match(j_lbrace);
             member(content);
-            while(token.type==j_comma)
-            {
+            while(token.type==j_comma){
                 match(j_comma);
                 member(content);
             }
diff --git a/test/lexer.nas b/test/lexer.nas
index d147866..9406eb6 100644
--- a/test/lexer.nas
+++ b/test/lexer.nas
@@ -4,28 +4,23 @@ var lexer=func(file)
     var s=io.fin(file);
     var len=size(s);
     var line=0;
-    var gen=func(tok)
-    {
+    var gen=func(tok){
         append(token,{
             line:line,
             token:tok
         });
     }
-    return
-    {
-        jmp_note:func()
-        {
+    return {
+        jmp_note:func(){
             while(ptr<len and s[ptr]!='\n'[0])
                 ptr+=1;
             if(ptr<len and s[ptr]=='\n'[0])
                 line+=1;
             ptr+=1;
         },
-        id_gen:func()
-        {
+        id_gen:func(){
             var tmp="";
-            while(ptr<len)
-            {
+            while(ptr<len){
                 var c=s[ptr];
                 if(('a'[0]<=c and c<='z'[0])
                 or ('A'[0]<=c and c<='Z'[0])
@@ -38,15 +33,12 @@ var lexer=func(file)
             }
             gen(tmp);
         },
-        str_gen:func()
-        {
+        str_gen:func(){
             var str="";
             var mark=chr(s[ptr]);
             ptr+=1;
-            while(ptr<len and chr(s[ptr])!=mark)
-            {
-                if(chr(s[ptr])=='\\')
-                {
+            while(ptr<len and chr(s[ptr])!=mark){
+                if(chr(s[ptr])=='\\'){
                     ptr+=1;
                     var c=chr(s[ptr]);
                     if   (c=='a' ) str~='\a';
@@ -63,9 +55,7 @@ var lexer=func(file)
                     elsif(c=='\'') str~='\'';
                     elsif(c=='\"') str~='\"';
                     else           str~=c;
-                }
-                else
-                {
+                }else{
                     if(s[ptr]=='\n'[0])
                         line+=1;
                     str~=chr(s[ptr]);
@@ -77,60 +67,48 @@ var lexer=func(file)
             ptr+=1;
             gen(str);
         },
-        num_gen:func()
-        {
+        num_gen:func(){
             var number=chr(s[ptr]);
             ptr+=1;
-            if(ptr<len and chr(s[ptr])=='x')
-            {
+            if(ptr<len and chr(s[ptr])=='x'){
                 ptr+=1;
                 while(ptr<len and
                 ('a'[0]<=s[ptr] and s[ptr]<='f'[0]
-                or '0'[0]<=s[ptr] and s[ptr]<='9'[0]))
-                {
+                or '0'[0]<=s[ptr] and s[ptr]<='9'[0])){
+                    number~=chr(s[ptr]);
+                    ptr+=1;
+                }
+                gen(num(number));
+                return;
+            }elsif(ptr<len and chr(s[ptr])=='o'){
+                ptr+=1;
+                while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='7'[0])){
                     number~=chr(s[ptr]);
                     ptr+=1;
                 }
                 gen(num(number));
                 return;
             }
-            elsif(ptr<len and chr(s[ptr])=='o')
-            {
-                ptr+=1;
-                while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='7'[0]))
-                {
-                    number~=chr(s[ptr]);
-                    ptr+=1;
-                }
-                gen(num(number));
-                return;
-            }
-            while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='9'[0]))
-            {
+            while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='9'[0])){
                 number~=chr(s[ptr]);
                 ptr+=1;
             }
-            if(ptr<len and chr(s[ptr])=='.')
-            {
+            if(ptr<len and chr(s[ptr])=='.'){
                 number~=chr(s[ptr]);
                 ptr+=1;
-                while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='9'[0]))
-                {
+                while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='9'[0])){
                     number~=chr(s[ptr]);
                     ptr+=1;
                 }
             }
-            if(chr(s[ptr])=='e' or chr(s[ptr])=='E')
-            {
+            if(chr(s[ptr])=='e' or chr(s[ptr])=='E'){
                 number~=chr(s[ptr]);
                 ptr+=1;
-                if(chr(s[ptr])=='-' or chr(s[ptr])=='+')
-                {
+                if(chr(s[ptr])=='-' or chr(s[ptr])=='+'){
                     number~=chr(s[ptr]);
                     ptr+=1;
                 }
-                while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='9'[0]))
-                {
+                while(ptr<len and ('0'[0]<=s[ptr] and s[ptr]<='9'[0])){
                     number~=chr(s[ptr]);
                     ptr+=1;
                 }
@@ -140,30 +118,23 @@ var lexer=func(file)
                 println("error number: ",number);
             gen(num(number));
         },
-        opr_gen:func()
-        {
+        opr_gen:func(){
             var c=chr(s[ptr]);
-            if(c=='+' or c=='-' or c=='~' or c=='/' or c=='*' or c=='>' or c=='<' or c=='!' or c=='=')
-            {
+            if(c=='+' or c=='-' or c=='~' or c=='/' or c=='*' or c=='>' or c=='<' or c=='!' or c=='='){
                 var tmp=c;
                 ptr+=1;
-                if(ptr<len and chr(s[ptr])=='=')
-                {
+                if(ptr<len and chr(s[ptr])=='='){
                     tmp~=chr(s[ptr]);
                     ptr+=1;
                 }
                 gen(tmp);
                 return;
-            }
-            elsif(c=='.')
-            {
-                if(ptr+2<len and chr(s[ptr+1])=='.' and chr(s[ptr+2])=='.')
-                {
+            }elsif(c=='.'){
+                if(ptr+2<len and chr(s[ptr+1])=='.' and chr(s[ptr+2])=='.'){
                     gen("...");
                     ptr+=3;
                 }
-                else
-                {
+                else{
                     gen(".");
                     ptr+=1;
                 }
@@ -174,16 +145,13 @@ var lexer=func(file)
             ptr+=1;
             return;
         },
-        compile:func()
-        {
+        compile:func(){
             line=1;
-            while(ptr<len)
-            {
+            while(ptr<len){
                 var c=s[ptr];
                 if(c=='#'[0])
                     me.jmp_note();
-                elsif(c=='\n'[0])
-                {
+                elsif(c=='\n'[0]){
                     line+=1;
                     ptr+=1;
                 }
diff --git a/test/life.nas b/test/life.nas
index a137477..78ed0d4 100644
--- a/test/life.nas
+++ b/test/life.nas
@@ -1,18 +1,15 @@
 var map=nil;
 
-var check=func(x,y)
-{
+var check=func(x,y){
     if(x>14) x=0;
     if(y>19) y=0;
     return map[x][y];
 }
 
-var new_map=func()
-{
+var new_map=func(){
     var tmp=[];
     setsize(tmp,15);
-    forindex(var i;tmp)
-    {
+    forindex(var i;tmp){
         tmp[i]=[];
         setsize(tmp[i],20);
     }
@@ -22,8 +19,7 @@ var new_map=func()
 var prt=func()
 {
     var s='\e[0;0H';
-    foreach(var line;map)
-    {
+    foreach(var line;map){
         foreach(var elem;line)
             s~=elem~' ';
         s~='\n';
@@ -32,8 +28,7 @@ var prt=func()
     unix.sleep(1/144);
 }
 
-func()
-{
+func(){
     if(os.platform()=="windows")
         system("chcp 65001");
     print("\ec");
@@ -43,13 +38,11 @@ func()
         forindex(var j;map[i])
             map[i][j]=rand()>0.7?'O':' ';
     var calc=[[0,1],[1,0],[0,-1],[-1,0],[1,1],[1,-1],[-1,-1],[-1,1]];
-    for(var r=0;r<100;r+=1)
-    {
+    for(var r=0;r<100;r+=1){
         prt(map);
         var tmp=new_map();
         for(var i=0;i<15;i+=1)
-            for(var j=0;j<20;j+=1)
-            {
+            for(var j=0;j<20;j+=1){
                 var cnt=0;
                 foreach(var k;calc)
                     cnt+=(check(i+k[0],j+k[1])=='O');
diff --git a/test/loop.nas b/test/loop.nas
index 43e000a..e67c885 100644
--- a/test/loop.nas
+++ b/test/loop.nas
@@ -1,6 +1,5 @@
 for(;;)break;
-for(;;)
-{
+for(;;){
     var a=1;
     break;
 }
@@ -10,21 +9,18 @@ for(var i=1;i<10;i+=1)print(i,'\n');
 
 while(1)break;
 var j=0;
-while(j<10)
-{
+while(j<10){
     print(j,'\n');
     j+=1;
 }
 
 forindex(var j;[0,1,2,3])print(j,'\n');
-forindex(var j;[0,1,2,3])
-{
+forindex(var j;[0,1,2,3]){
     var a=j;
     print(a*a,'\n');
 }
 foreach(var j;[0,1,2,3])print([0,1,2,3][j],'\n');
-foreach(var j;[0,1,2,3])
-{
+foreach(var j;[0,1,2,3]){
     var a=[0,1,2,3][j];
     print(a*a-1,'\n');
 }
diff --git a/test/mandelbrot.nas b/test/mandelbrot.nas
index a893254..80f0fed 100644
--- a/test/mandelbrot.nas
+++ b/test/mandelbrot.nas
@@ -1,20 +1,16 @@
 var (yMin,yMax,xMin,xMax,line)=(-0.2,0.2,-1.5,-1.0,"");
 var (yDel,xDel)=(yMax-yMin,xMax-xMin);
-for(var yPixel=0;yPixel<24;yPixel+=1)
-{
+for(var yPixel=0;yPixel<24;yPixel+=1){
     var y=(yPixel/24)*yDel+yMin;
-    for(var xPixel=0;xPixel<80;xPixel+=1)
-    {
+    for(var xPixel=0;xPixel<80;xPixel+=1){
         var x=(xPixel/80)*xDel+xMin;
         var pixel=" ";
         var (x0,y0)=(x,y);
-        for(var iter=0;iter<80;iter+=1)
-        {
+        for(var iter=0;iter<80;iter+=1){
             var x1=(x0*x0)-(y0*y0)+x;
             var y1=2*x0*y0+y;
             (x0,y0)=(x1,y1);
-            if((x0*x0)+(y0*y0)>4)
-            {
+            if((x0*x0)+(y0*y0)>4){
                 pixel=chr(" .:;+=xX$&"[iter/8]);
                 break;
             }
diff --git a/test/quick_sort.nas b/test/quick_sort.nas
index 107ce7c..7f21791 100644
--- a/test/quick_sort.nas
+++ b/test/quick_sort.nas
@@ -1,9 +1,7 @@
-var sort=func(vec,left,right)
-{
+var sort=func(vec,left,right){
     if(left>=right) return;
     var (L,R,tmp)=(left,right,vec[left]);
-    while(left<right)
-    {
+    while(left<right){
         while(left<right and tmp<=vec[right])
             right-=1;
         while(left<right and tmp>=vec[left])