tesses50
/
tlang-interperter-cs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Minimum Viable Product

This commit is contained in:
Mike Nolan 2023-03-09 17:57:16 -06:00
parent b74fd1d083
commit fd57d7998c
31 changed files with 948 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
AddNode.cs
View File

@ -19,6 +19,19 @@ namespace tlang
var rNum = r as TNumber;
var lStr = l as TString;
var rStr = r as TString;
var dleft = l as TDictionary;
if(dleft != null)
{
if(dleft.MemberExists("add"))
{
var mbm = dleft["add"] as ICallable;
if(mbm != null)
{
return mbm.Call(r);
}
}
}
if(lNum != null && rNum != null)
@ -31,6 +44,8 @@ namespace tlang
if(lNum != null && rStr != null)
return new TString(lNum.Value.ToString() + rStr.Value);
return new TNull();
}
}

86
ArraySubscriptNode.cs Normal file
View File

@ -0,0 +1,86 @@
namespace tlang
{
internal class ArraySubscriptNode : MemberGetVariableValue
{
public Node Argument {get;set;}
public ArraySubscriptNode(Node parent, string text, Node arg) : base(parent,text)
{
Argument = arg;
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var arg = Argument.Execute(nodeEnv);
var p=Parent.Execute(nodeEnv);
var dict = p as TDictionary;
var ls = p as TArray;
var str = p as TString;
if(dict != null)
{
var sArg = arg as TString;
var at = dict["at"] as ICallable;
if(at != null)
{
return at.Call(arg);
}
if(sArg != null)
{
return dict[sArg.Value];
}
}
if(ls != null)
{
var nArg = arg as TNumber;
if(nArg != null && nArg.Value < ls.Items.Count)
{
return ls.Items[(int)nArg.Value];
}
}
if(str != null)
{
var nArg = arg as TNumber;
if(nArg != null && nArg.Value < str.Value.Length)
{
return new TChar(str.Value[(int)nArg.Value]);
}
}
return TObject.Uninit;
}
public override void SetValue(IScopeEnvironment nodeEnv, TObject value)
{
var arg = Argument.Execute(nodeEnv);
var p=Parent.Execute(nodeEnv);
var dict = p as TDictionary;
var ls = p as TArray;
var str = p as TString;
if(dict != null)
{
var sArg = arg as TString;
var at = dict["setAt"] as ICallable;
if(at != null)
{
at.Call(arg,value);
}
else
if(sArg != null)
{
dict[sArg.Value] = value;
}
}
if(ls != null)
{
var nArg = arg as TNumber;
if(nArg != null && nArg.Value < ls.Items.Count)
{
ls.Items[(int)nArg.Value] = value;
}
}
}
}
}

23
DivideNode.cs
View File

@ -13,11 +13,26 @@ namespace tlang
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var l = Left.Execute(nodeEnv) as TNumber;
var r = Right.Execute(nodeEnv) as TNumber;
var l = Left.Execute(nodeEnv);
var r = Right.Execute(nodeEnv);
var lnum = l as TNumber;
var rnum = r as TNumber;
var dleft = l as TDictionary;
if(l != null && r != null)
return new TNumber(l.Value / r.Value);
if(dleft != null)
{
if(dleft.MemberExists("divide"))
{
var mbm = dleft["divide"] as ICallable;
if(mbm != null)
{
return mbm.Call(r);
}
}
}
if(lnum != null && rnum != null)
return new TNumber(lnum.Value / rnum.Value);
return new TNull();
}

90
EachLoop.cs Normal file
View File

@ -0,0 +1,90 @@
namespace tlang
{
public class EachLoop : Node
{
public GetVariableValue Name {get;set;}
public Node List {get;set;}
public Node Body {get;set;}
public EachLoop(GetVariableValue name, Node ls,Node body)
{
Name = name;
List = ls;
Body=body;
}
private IEnumerable<TObject> CreateItterator(IScopeEnvironment env,TObject ls)
{
var dict = ls as TDictionary;
var str = ls as TString;
var array = ls as TArray;
if(dict!= null)
{
var gIttrVar = dict["ittr"] as TDictionary;
var gIttrProp = dict["getIttr"] as ICallable;
if(gIttrProp != null)
{
var myObj= gIttrProp.Call() as TDictionary;
if(myObj != null)
{
var reset = myObj["reset"] as ICallable;
var moveNext = myObj["movenext"] as ICallable;
var getCurrent = myObj["getCurrent"] as ICallable;
if(reset != null) reset.Call();
if(moveNext != null)
while(moveNext.Call().AsBoolean)
{
if(getCurrent != null)
{
yield return getCurrent.Call();
}
else
{
var current = myObj["current"];
yield return current;
}
}
}
}
}
else if(array != null)
{
foreach(var item in array.Items)
{
yield return item;
}
}
else if(str != null)
{
foreach(var c in str.Value)
{
yield return new TChar(c);
}
}
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var env = nodeEnv.SubEnv;
var ls = List.Execute(env);
bool isRunning=true;
env["last_ittr"]= new TExternalMethod((args)=>{
isRunning=false;
return new TNumber(1);
});
TObject last = TObject.Uninit;
var enumerator=CreateItterator(env,ls).GetEnumerator();
while(isRunning && enumerator.MoveNext())
{
Name.SetValue(env,enumerator.Current);
Body.Execute(env);
}
return last;
}
}
}

36
ForLoop.cs Normal file
View File

@ -0,0 +1,36 @@
namespace tlang
{
internal class ForLoop : Node
{
public Node Init {get;set;}
public Node Condition {get;set;}
public Node Increment {get;set;}
public Node Body {get;set;}
public ForLoop(Node init, Node condition, Node inc, Node body)
{
Init = init;
Condition = condition;
Increment = inc;
Body = body;
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var env = nodeEnv.SubEnv;
bool isRunning=true;
env["last_ittr"]= new TExternalMethod((args)=>{
isRunning=false;
return new TNumber(1);
});
Init.Execute(env);
TObject obj=new TUninit();
while(Condition.Execute(env).AsBoolean && isRunning)
{
obj=Body.Execute(env);
Increment.Execute(env);
}
return obj;
}
}
}

13
GetVariableValue.cs
View File

@ -3,19 +3,20 @@ namespace tlang
internal class SetVariableNode : Node
{
public Node Value {get;set;}
public string Name {get;set;}
public SetVariableNode(string text,Node v)
public GetVariableValue Name {get;set;}
public SetVariableNode(GetVariableValue gvn,Node v)
{
Name=text;
Name=gvn;
Value=v;
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var res=Value.Execute(nodeEnv);
nodeEnv[Name]=res;
Name.SetValue(nodeEnv,res);
return res;
}
}
public class GetVariableValue : Node
{
@ -30,5 +31,9 @@ namespace tlang
{
return nodeEnv[Name];
}
public virtual void SetValue(IScopeEnvironment nodeEnv,TObject value)
{
nodeEnv[Name] = value;
}
}
}

14
IfNode.cs
View File

@ -16,19 +16,13 @@ namespace tlang
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var condition = Condition.Execute(nodeEnv);
var cInt = condition as TNumber;
bool condition_bool=false;
if(cInt != null)
{
condition_bool=cInt.Value != 0;
}
return condition_bool ? Yes.Execute(nodeEnv) : No.Execute(nodeEnv);
return condition.AsBoolean ? Yes.Execute(nodeEnv) : No.Execute(nodeEnv);
}
}
}

147
MemberFunctionCallNode.cs
View File

@ -17,7 +17,9 @@ namespace tlang
var dict = res as TDictionary;
var integer = res as TNumber;
var str = res as TString;
var chr = res as TChar;
var array = res as TArray;
if(dict != null)
{
var n = dict[Text] as ICallable;
@ -25,6 +27,74 @@ namespace tlang
{
return n.Call(Args.Select<Node,TObject>(e=>e.Execute(nodeEnv)).ToArray());
}
}else if(chr != null)
{
if(Text == "toUpper")
{
return new TChar(char.ToUpper(chr.Value));
}
if(Text == "toLower")
{
return new TChar(char.ToLower(chr.Value));
}
if(Text == "toString")
{
return new TString(chr.Value.ToString());
}
if(Text == "toNumber")
{
return new TNumber(chr.Value);
}
}
else if(array != null)
{
if(Text == "add")
{
if(Args.Count == 1)
{
TObject obj = Args[0].Execute(nodeEnv);
array.Items.Add(obj);
return obj;
}
}
if(Text == "at")
{
//at(index)
if(Args.Count == 1)
{
var index=Args[0].Execute(nodeEnv) as TNumber;
if(index != null)
{
if(index.Value < array.Items.Count)
return array.Items[(int)index.Value];
}
}
}
if(Text == "setAt")
{
TObject value = TObject.Null;
//setAt(index,value)
//setAt(index) //null
if(Args.Count == 2)
{
value=Args[1].Execute(nodeEnv);
}
if(Args.Count > 0)
{
var index=Args[0].Execute(nodeEnv) as TNumber;
if(index != null)
{
if(index.Value < array.Items.Count)
array.Items[(int)index.Value]=value;
}
}
return value;
}
if(Text == "length" || Text == "count")
{
return new TNumber(array.Items.Count);
}
}
else if(integer != null)
{
@ -36,6 +106,79 @@ namespace tlang
{
return new TNumber(Math.Abs(integer.Value));
}
if(Text == "toChar")
{
return new TChar((char)integer.Value);
}
}else if(str != null)
{
if(Text == "replace")
{
//todo fill this method out
}
if(Text == "split")
{
//todo fill this method out
//str.Value.Split(,,StringSplitOptions.TrimEntries);
}
if(Text == "startsWith")
{
string val = " ";
if(Args.Count > 0){
var firstArg = Args[0].Execute(nodeEnv);
var c = firstArg as TChar;
var mystr = firstArg as TString;
var mynum = firstArg as TNumber;
if(c!=null) val = c.Value.ToString();
if(mystr != null) val = mystr.Value.ToString();
if(mynum != null) val = mynum.Value.ToString();
}
return new TNumber(str.Value.StartsWith(val) ? 1 : 0);
}
if(Text == "trimStart")
{
if(Args.Count == 0)
{
return new TString(str.Value.TrimStart());
}else{
return new TString(str.Value.TrimStart(Args.Select<Node,char>(n=>{
var nV=n.Execute(nodeEnv) as TChar;
if(nV != null)
{
return nV.Value;
}
return ' ';
}).ToArray()));
}
}
if(Text == "trimEnd")
{
//trimend()
if(Args.Count == 0)
{
return new TString(str.Value.TrimEnd());
}else{
return new TString(str.Value.TrimEnd(Args.Select<Node,char>(n=>{
var nV=n.Execute(nodeEnv) as TChar;
if(nV != null)
{
return nV.Value;
}
return ' ';
}).ToArray()));
}
}
if(Text == "toString")
{
return str;
}
}
@ -44,4 +187,6 @@ namespace tlang
return new TUninit();
}
}
}

51
MemberGetValueNode.cs
View File

@ -7,7 +7,26 @@ namespace tlang
{
Parent = parent;
}
public override void SetValue(IScopeEnvironment nodeEnv, TObject value)
{
var res=Parent.Execute(nodeEnv);
var dict = res as TDictionary;
if(dict != null)
{
if(dict.MemberExists($"set{Name}"))
{
var mbm= dict[$"set{Name}"] as ICallable;
if(mbm != null)
{
mbm.Call(value);
}
}else{
dict[Name] = value;
}
}
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var res=Parent.Execute(nodeEnv);
@ -15,6 +34,8 @@ namespace tlang
var dict = res as TDictionary;
var integer = res as TNumber;
var array = res as TArray;
var str = res as TString;
if(array != null)
{
if(Name == "length" || Name == "count")
@ -41,8 +62,36 @@ namespace tlang
if(integer != null)
{
if(Name == "abs")
{
return new TNumber(Math.Abs(integer.Value));
}
if(Name == "int")
{
return new TNumber(Math.Round(integer.Value));
}
}
if(str != null)
{
if(Name == "number")
{
}
if(Name == "ittr")
{
}
if(Name == "length" || Name == "count")
{
return new TNumber(str.Value.Length);
}
if(Name == "list")
{
}
}
return new TUninit();
}

23
ModuloNode.cs
View File

@ -13,11 +13,26 @@ namespace tlang
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var l = Left.Execute(nodeEnv) as TNumber;
var r = Right.Execute(nodeEnv) as TNumber;
var l = Left.Execute(nodeEnv);
var r = Right.Execute(nodeEnv);
var lnum = l as TNumber;
var rnum = r as TNumber;
var dleft = l as TDictionary;
if(l != null && r != null)
return new TNumber(l.Value % r.Value);
if(dleft != null)
{
if(dleft.MemberExists("mod"))
{
var mbm = dleft["mod"] as ICallable;
if(mbm != null)
{
return mbm.Call(r);
}
}
}
if(lnum != null && rnum != null)
return new TNumber(lnum.Value % rnum.Value);
return new TNull();
}

23
MultiplyNode.cs
View File

@ -13,11 +13,26 @@ namespace tlang
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var l = Left.Execute(nodeEnv) as TNumber;
var r = Right.Execute(nodeEnv) as TNumber;
var l = Left.Execute(nodeEnv);
var r = Right.Execute(nodeEnv);
var lnum = l as TNumber;
var rnum = r as TNumber;
var dleft = l as TDictionary;
if(l != null && r != null)
return new TNumber(l.Value * r.Value);
if(dleft != null)
{
if(dleft.MemberExists("times"))
{
var mbm = dleft["times"] as ICallable;
if(mbm != null)
{
return mbm.Call(r);
}
}
}
if(lnum != null && rnum != null)
return new TNumber(lnum.Value * rnum.Value);
return new TNull();
}

263
Parser.cs
View File

@ -10,11 +10,12 @@ namespace tlang
public Node ParseExpression(List<LexToken> tokens,ref int i,bool isFirst=false)
{
if(i>= tokens.Count) return new ConstNode(new TNumber(0));
if(tokens[i].Text == "{" || isFirst)
{
if(!isFirst)
i++;
ScopeNode scopeNode = new ScopeNode();
ScopeNode scopeNode = new ScopeNode(){First=isFirst};
while(i<tokens.Count && tokens[i].Text != "}")
{
scopeNode.Body.Add(ParseExpression(tokens,ref i));
@ -41,7 +42,7 @@ namespace tlang
GetVariableValue? gvar = myExpression as GetVariableValue;
if(gvar != null)
{
myExpression= new SetVariableNode(gvar.Name,ParseSum(tokens,ref i));
myExpression= new SetVariableNode(gvar,ParseSum(tokens,ref i));
}
}
@ -77,7 +78,7 @@ namespace tlang
if(token.IsString) return new ConstNode(new TString(token.Text));
if(token.IsChar)
{
return new ConstNode(new TNumber(token.Text.SingleOrDefault()));
return new ConstNode(new TChar(token.Text.SingleOrDefault()));
}
long val;
@ -126,7 +127,78 @@ namespace tlang
}
i++;
return new ClosureNode(args,ParseExpression(tokens,ref i));
} else if(token.Text == "if")
}
else if(token.Text == "for")
{
i++;
//init;condition;inc)
Node init = new ConstNode(new TUninit());
Node condition = new ConstNode(new TUninit());
Node inc = new ConstNode(new TUninit());
Node body = new ConstNode(new TUninit());
if(i<tokens.Count && (tokens[i].Text != ")" || tokens[i].Text != ";"))
{
init = ParseExpression(tokens,ref i);
}
if(i<tokens.Count && tokens[i].Text == ";")
i++;
if(i<tokens.Count && (tokens[i].Text != ")" || tokens[i].Text != ";"))
{
condition = ParseExpression(tokens,ref i);
}
if(i<tokens.Count && tokens[i].Text == ";")
i++;
if(i<tokens.Count && (tokens[i].Text != ")" || tokens[i].Text != ";"))
{
inc = ParseExpression(tokens,ref i);
}
if(i<tokens.Count && tokens[i].Text == ")")
i++;
if(i<tokens.Count)
body = ParseExpression(tokens,ref i);
return new ForLoop(init,condition,inc,body);
}
else if(token.Text == "each")
{
i++;
Node ls = ParseExpression(tokens,ref i);
GetVariableValue? name = new GetVariableValue("item");
if(i<tokens.Count && tokens[i].Text == ":")
{
i++;
var n=ls as GetVariableValue;
if(n != null) name = n;
ls = ParseExpression(tokens,ref i);
}
i++;
if(i<tokens.Count)
{
return new EachLoop(name,ls,ParseExpression(tokens,ref i));
}
}
else if(token.Text == "while")
{
i++;
var condition=ParseExpression(tokens,ref i);
i++;
Node yes = new ConstNode(new TUninit());
if(i<tokens.Count && tokens[i].Text != ";")
yes = ParseExpression(tokens,ref i);
return new WhileLoop(condition,yes,false);
}
else if(token.Text == "do")
{
i++;
var condition=ParseExpression(tokens,ref i);
i++;
Node yes = new ConstNode(new TUninit());
if(i<tokens.Count && tokens[i].Text != ";")
yes = ParseExpression(tokens,ref i);
return new WhileLoop(condition,yes,true);
}
else if(token.Text == "if")
{
i++;
var condition=ParseExpression(tokens,ref i);
@ -160,7 +232,15 @@ namespace tlang
}
i++;
var ret = new FunctionCallNode(token.Text,args);
Node ret = new FunctionCallNode(token.Text,args);
while(i<tokens.Count && tokens[i].Text == "[")
{
i++;
var arg = ParseExpression(tokens,ref i);
i++;
ret = new ArraySubscriptNode(ret,token.Text,arg);
}
while(i<tokens.Count && tokens[i].Text == ".")
{
i++;
@ -171,7 +251,7 @@ namespace tlang
{
i++;
args = new List<Node>();
//function call baby
//function call baby
while(i<tokens.Count && tokens[i].Text != ")")
{
@ -188,30 +268,125 @@ namespace tlang
}
else if(i<tokens.Count && tokens[i].Text == "[")
{
i++;
var arg = ParseExpression(tokens,ref i);
i++;
ret = new ArraySubscriptNode(ret,token2.Text,arg);
}
else{
ret = new MemberGetVariableValue(ret,token2.Text);
}
}
if(i<tokens.Count && tokens[i].Text == "++")
{
var mgvn = ret as GetVariableValue;
i++;
if(mgvn != null)
{
return new PostfixIncrementVariableNode(mgvn);
}
}
if(i<tokens.Count && tokens[i].Text == "--")
{
var mgvn = ret as GetVariableValue;
i++;
if(mgvn != null)
{
return new PostfixDecrementVariableNode(mgvn);
}
}
return ret;
}
}else{
Node ret;
switch(token.Text)
{
case "null":
return new ConstNode(TObject.Null);
ret= new ConstNode(TObject.Null);
break;
case "undefined":
return new ConstNode(TObject.Uninit);
ret= new ConstNode(TObject.Uninit);
break;
case "true":
return new ConstNode(new TNumber(1));
ret= new ConstNode(new TNumber(1));
break;
case "false":
return new ConstNode(new TNumber(0));
ret= new ConstNode(new TNumber(0));
break;
default:
return new GetVariableValue(token.Text);
ret= new GetVariableValue(token.Text);
break;
}
while(i<tokens.Count && tokens[i].Text == "[")
{
i++;
var arg = ParseExpression(tokens,ref i);
i++;
ret = new ArraySubscriptNode(ret,token.Text,arg);
}
while(i<tokens.Count && tokens[i].Text == ".")
{
i++;
var token2 = tokens[i++];
if(i<tokens.Count && tokens[i].Text == "(")
{
i++;
var args = new List<Node>();
//function call baby
while(i<tokens.Count && tokens[i].Text != ")")
{
if(tokens[i].Text == ",") {i++;continue;}
if(i<tokens.Count)
{
args.Add(ParseExpression(tokens,ref i));
}
}
i++;
ret = new MemberFunctionCallNode(ret,token2.Text,args);
}
else if(i<tokens.Count && tokens[i].Text == "[")
{
i++;
var arg = ParseExpression(tokens,ref i);
i++;
ret = new ArraySubscriptNode(ret,token2.Text,arg);
}
else{
ret = new MemberGetVariableValue(ret,token2.Text);
}
}
if(i<tokens.Count && tokens[i].Text == "++")
{
var mgvn = ret as GetVariableValue;
i++;
if(mgvn != null)
{
return new PostfixIncrementVariableNode(mgvn);
}
}
if(i<tokens.Count && tokens[i].Text == "--")
{
var mgvn = ret as GetVariableValue;
i++;
if(mgvn != null)
{
return new PostfixDecrementVariableNode(mgvn);
}
}
return ret;
}
}
@ -243,5 +418,67 @@ namespace tlang
}
return myExpression;
}
public void LoadEnvironment(RootEnvironment env)
{
TDictionary fs = new TDictionary();
fs["enumerate_files"] = new TExternalMethod((args)=>{
if(args.Length > 0)
{
var fileName=args[0].ToString();
if(!string.IsNullOrWhiteSpace(fileName) && Directory.Exists(fileName))
{
var dict = new TDictionary();
dict["getIttr"] = new TExternalMethod((args2)=>{
var enumerable=Directory.EnumerateFiles(fileName).GetEnumerator();
TDictionary dict2 = new TDictionary();
dict2["movenext"] = new TExternalMethod((args3)=>{
return new TNumber(enumerable.MoveNext() ? 1 : 0);
});
dict2["getCurrent"] = new TExternalMethod((args3)=>{
return new TString(enumerable.Current);
});
return dict2;
});
return dict;
}
}
return TObject.Null;
});
fs["enumerate_dirs"] = new TExternalMethod((args)=>{
if(args.Length > 0)
{
var fileName=args[0].ToString();
if(!string.IsNullOrWhiteSpace(fileName) && Directory.Exists(fileName))
{
var dict = new TDictionary();
dict["getIttr"] = new TExternalMethod((args2)=>{
var enumerable=Directory.EnumerateDirectories(fileName).GetEnumerator();
TDictionary dict2 = new TDictionary();
dict2["movenext"] = new TExternalMethod((args3)=>{
return new TNumber(enumerable.MoveNext() ? 1 : 0);
});
dict2["getCurrent"] = new TExternalMethod((args3)=>{
return new TString(enumerable.Current);
});
return dict2;
});
return dict;
}
}
return TObject.Null;
});
env["fs"]=fs;
}
}
}

26
PostfixDecrementVariableNode.cs Normal file
View File

@ -0,0 +1,26 @@
namespace tlang
{
public class PostfixDecrementVariableNode : Node
{
public GetVariableValue Node {get;set;}
public PostfixDecrementVariableNode(GetVariableValue ret)
{
Node = ret;
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var obj=Node.Execute(nodeEnv);
var newVal=new SubtractNode(new ConstNode(obj),new ConstNode(new TNumber(1))).Execute(nodeEnv);
Node.SetValue(nodeEnv,newVal);
return obj;
}
}
}

26
PostfixIncrementVariableNode.cs Normal file
View File

@ -0,0 +1,26 @@
namespace tlang
{
public class PostfixIncrementVariableNode : Node
{
public GetVariableValue Node {get;set;}
public PostfixIncrementVariableNode(GetVariableValue ret)
{
Node = ret;
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var obj=Node.Execute(nodeEnv);
var newVal=new AddNode(new ConstNode(obj),new ConstNode(new TNumber(1))).Execute(nodeEnv);
Node.SetValue(nodeEnv,newVal);
return obj;
}
}
}

44
Program.cs
View File

@ -1,7 +1,7 @@
namespace tlang;
class Program
{
static void Main(string[] args)
static int Main(string[] args)
{
//Lexer lexer = new Lexer("testString.tlang");
@ -9,13 +9,27 @@ class Program
//parser.Add(lexer.Tokens);
int r=0;
RootEnvironment env=new RootEnvironment();
env["mol"] = new TNumber(42);
env["printargs"] = new TExternalMethod((args2)=>{
parser.LoadEnvironment(env);
env["array"] = new TExternalMethod((args2)=>{
return new TArray();
});
env["dict"] = new TExternalMethod((args2)=>{
return new TDictionary();
});
env["print"] = new TExternalMethod((args2)=>{
foreach(var arg in args2)
{
Console.WriteLine(arg);
Console.Write(arg);
}
return new TNumber(args2.Length);
});
env["println"] = new TExternalMethod((args2)=>{
foreach(var arg in args2)
{
Console.Write(arg);
}
Console.WriteLine();
return new TNumber(args2.Length);
});
env["int"] = new TExternalMethod((args2)=>{
@ -90,9 +104,25 @@ class Program
});
Lexer lexer =new Lexer(new StreamReader("file.tlang"));
var res=parser.ParseExpression(lexer.Tokens,ref r,true).Execute(env);
r=0;
Console.WriteLine(res);
var res=parser.ParseExpression(lexer.Tokens,ref r,true).Execute(env) as TNumber;
var main = env["main"] as ICallable;
if(main != null)
{
List<TString> args2=new List<TString>();
foreach(var argument in args)
{
args2.Add(new TString(argument));
}
res=main.Call(args2.ToArray()) as TNumber;
}
if(res != null)
{
return (int)res.Value;
}
return 0;
}
}

7
ScopeEnvironment.cs
View File

@ -53,6 +53,10 @@ namespace tlang
public TObject GetVariable(string name)
{
if(name == "last_ittr" && items.ContainsKey("last_ittr"))
{
return items["last_ittr"];
}
if(parent.VariableExists(name))
{
return parent[name];
@ -66,8 +70,9 @@ namespace tlang
public void SetVariable(string name, TObject obj)
{
if(parent.VariableExists(name))
if(parent.VariableExists(name) && name != "last_ittr")
{
parent.SetVariable(name,obj);
}else if(items.ContainsKey(name))
{

3
ScopeNode.cs
View File

@ -2,10 +2,11 @@ namespace tlang
{
public class ScopeNode : Node
{
public bool First {get;set;}
public List<Node> Body {get;set;}= new List<Node>();
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var sub = nodeEnv.SubEnv;
var sub = First ? nodeEnv : nodeEnv.SubEnv;
TObject obj=new TNull();
foreach(var item in Body)
{

23
SubtractNode.cs
View File

@ -13,11 +13,26 @@ namespace tlang
public override TObject Execute(IScopeEnvironment nodeEnv)
{
var l = Left.Execute(nodeEnv) as TNumber;
var r = Right.Execute(nodeEnv) as TNumber;
var l = Left.Execute(nodeEnv);
var r = Right.Execute(nodeEnv);
var lnum = l as TNumber;
var rnum = r as TNumber;
var dleft = l as TDictionary;
if(l != null && r != null)
return new TNumber(l.Value - r.Value);
if(dleft != null)
{
if(dleft.MemberExists("sub"))
{
var mbm = dleft["sub"] as ICallable;
if(mbm != null)
{
return mbm.Call(r);
}
}
}
if(lnum != null && rnum != null)
return new TNumber(lnum.Value - rnum.Value);
return new TNull();
}

1
TArray.cs
View File

@ -2,6 +2,7 @@ namespace tlang
{
public class TArray : TObject
{
public override bool AsBoolean => Items.Count > 0;
public TArray()
{

19
TChar.cs Normal file
View File

@ -0,0 +1,19 @@
namespace tlang
{
internal class TChar : TObject
{
public override bool AsBoolean => Value != '\0';
public char Value {get;set;}
public TChar(char v)
{
Value = v;
}
public override string ToString()
{
return Value.ToString();
}
}
}

1
TDictionary.cs
View File

@ -2,6 +2,7 @@ namespace tlang
{
public class TDictionary : TObject
{
public override bool AsBoolean {get =>true;}
public TDictionary()
{

1
TInternalObject.cs
View File

@ -2,6 +2,7 @@ namespace tlang
{
public class TInternalObject : TObject
{
public override bool AsBoolean => true;
public TInternalObject(object val)
{
Object=val;

14
TMethod.cs
View File

@ -2,6 +2,7 @@ namespace tlang
{
public class TInternalMethod : TObject, ICallable
{
public override bool AsBoolean => true;
public TInternalMethod(ClosureNode node,IScopeEnvironment env)
{
Body = node;
@ -21,24 +22,27 @@ namespace tlang
int i = 0;
for(;i<optionalArgs(args.Length);i++)
{
env[Body.Arguments[i].TrimStart('.')] = args[i];
env[Body.Arguments[i].TrimStart('$')] = args[i];
}
if(i==Body.Arguments.Count-1)
{
var tarray = new TArray();
env[Body.Arguments[i].TrimStart('.')] =tarray;
env[Body.Arguments[i].TrimStart('$')] =tarray;
for(int j = i;j<args.Length;j++)
{
tarray.Items.Add(args[j]);
}
i = args.Length;
}
if(i<args.Length)
throw new Exception("too many arguments");
return Body.Node.Execute(env);
}
private int optionalArgs(int argLen)
{
for(int i =0;i<Body.Arguments.Count;i++)
{
if(Body.Arguments[i].StartsWith("..."))
if(Body.Arguments[i].StartsWith("$$"))
{
return Math.Min(argLen,i);
}
@ -49,7 +53,7 @@ namespace tlang
{
for(int i =0;i<Body.Arguments.Count;i++)
{
if(Body.Arguments[i].StartsWith('.'))
if(Body.Arguments[i].StartsWith('$'))
{
return i;
}
@ -66,6 +70,8 @@ namespace tlang
cb = func;
}
public override bool AsBoolean => true;
public TObject Call(params TObject[] args)
{
return cb(args);

1
TNull.cs
View File

@ -2,6 +2,7 @@ namespace tlang
{
public class TNull : TObject
{
public override bool AsBoolean => false;
public override string ToString()
{
return "null";

3
TNumber.cs
View File

@ -3,6 +3,9 @@ namespace tlang
public class TNumber : TObject
{
public double Value {get;set;}
public override bool AsBoolean => Value != 0;
public TNumber(double number)
{
Value = number;

4
TObject.cs
View File

@ -1,8 +1,8 @@
namespace tlang
{
public class TObject
public abstract class TObject
{
public abstract bool AsBoolean {get;}
public static TObject Uninit => new TUninit();
public static TObject Null => new TNull();
}

3
TString.cs
View File

@ -3,6 +3,9 @@ namespace tlang
public class TString : TObject
{
public string Value {get;set;}
public override bool AsBoolean => Value.Length > 0;
public TString(string text)
{
Value = text;

1
TUninit.cs
View File

@ -2,6 +2,7 @@ namespace tlang
{
public class TUninit : TObject
{
public override bool AsBoolean {get=>false;}
public override string ToString()
{
return "undefined";

38
WhileLoop.cs Normal file
View File

@ -0,0 +1,38 @@
namespace tlang
{
public class WhileLoop : Node
{
public Node Condition {get;set;}
public Node Body {get;set;}
public bool DoLoop {get;set;}
public WhileLoop(Node condition, Node yes, bool v)
{
Condition = condition;
Body = yes;
DoLoop = v;
}
public override TObject Execute(IScopeEnvironment nodeEnv)
{
bool isRunning=true;
var env = nodeEnv.SubEnv;
env["last_ittr"]= new TExternalMethod((args)=>{
isRunning=false;
return new TNumber(1);
});
TObject obj=new TUninit();
if(!DoLoop) isRunning = Condition.Execute(env).AsBoolean;
while(isRunning)
{
obj=Body.Execute(env);
isRunning = Condition.Execute(env).AsBoolean;
}
return obj;
}
}
}

15
file.tlang
View File

@ -1,7 +1,8 @@
/*
if(expression) expression else expression
*/
j = func() 42-43;
printargs(j().abs());
each(dir : fs.enumerate_dirs(fs.home))
{
println(dir);
}
each(file : fs.enumerate_files(fs.home))
{
println(file);
}

7
testString.tlang
View File

@ -1,7 +0,0 @@
var s1="Some \"Some String\" Is Cool";
var s2="My String Is Awesome";
var s3="Demi\nLovato";
var main = (args)=>{
ret 0;
};