public bool Parse(Variable v)
{
var c = new Code();
c.PushCode(new PushVariable("arg"));
c.PushCode(new Argument());
while (t.checkNext() != "")
ParseStatement(v, c);
v.setCode(c);
return error != 0;
}
public Variable GetVariable(string s)
{
var v = scope.GetVariable(s);
if (v != null)
return v;
if (global.Exist(s))
return global[s];
v = new Variable();
scope.AddLocal(s, v);
return v;
}
public bool LoadString(string str)
{
var t = new Tokenizer(str);
var p = new Parser(t);
var v = new Variable();
if (p.Parse(v))
return true;
v.prepare(env);
v["print"] = new Variable(print);
env.Set(v);
return false;
}
public override vBase substitution(Variable v)
{
x = v.toString(); return this;
}
public override bool eq(Variable v)
{
return x == v.toString();
}
public override void setchild(string s, Variable v)
{
if (!table.ContainsKey(s))
table.Add(s, v);
else
table[s] = v;
}
public override void xor(Variable v)
{
x ^= v.toInt();
}
public override void or(Variable v)
{
x |= v.toInt();
}
public override Variable call(Environment env, Variable arg)
{
return x(arg);
}
public virtual void xor(Variable v)
{
}
public virtual vBase substitution(Variable v)
{
return v.x.clone();
}
public virtual void sub(Variable v)
{
}
public virtual void shr(Variable v)
{
}
public virtual void setchild(string s, Variable v)
{
substitution(v);
}
public virtual bool ne(Variable v)
{
return false;
}
public override void mul(Variable v)
{
x *= v.toInt();
}
public override bool ne(Variable v)
{
return x != v.toInt();
}
public override void add(Variable v)
{
x += v.toInt();
}
public override void sub(Variable v)
{
x -= v.toInt();
}
public override void and(Variable v)
{
x &= v.toInt();
}
public override Variable call(Environment env, Variable arg)
{
if (code == null)
return arg;
env.AddScope(new FunctionScope(code));
env.Push(arg);
env.Run();
return env.Pop();
}
public override void div(Variable v)
{
x /= v.toInt();
}
public override void add(Variable v)
{
x += v.toString();
}
public override bool eq(Variable v)
{
return x == v.toInt();
}
public override bool ne(Variable v)
{
return x != v.toString();
}
public override bool gt(Variable v)
{
return x > v.toInt();
}
public static Variable print(Variable v)
{
Console.WriteLine(v.toString());
return v;
}
public override bool lt(Variable v)
{
return x < v.toInt();
}
public Variable Run(Variable v)
{
env.Push(v);
env.Run();
return env.Pop();
}
public override void mod(Variable v)
{
x %= v.toInt();
}