void local_add(mrb_sym sym)
{
if (!local_var_p(sym))
{
local_add_f(sym);
}
}
void local_add_f(mrb_sym sym)
{
if (this.locals != null)
{
this.locals.push(sym);
}
}
public string sym2name(mrb_sym sym)
{
int i = (int)sym - 1;
if ((i < 0) || (i >= syms.Length))
{
return(((int)sym).ToString());
}
return(syms[i]);
}
bool local_var_p(mrb_sym sym)
{
locals_node l = this.locals;
while (l != null)
{
if (l.symList.Contains(sym))
{
return(true);
}
l = l.cdr;
}
return(false);
}
node new_var_node(mrb_sym sym)
{
var name = sym2name(sym);
if (name.StartsWith("$"))
{
return(new gvar_node(this, sym));
}
else if (name.StartsWith("@@"))
{
return(new cvar_node(this, sym));
}
else if (name.StartsWith("@"))
{
return(new ivar_node(this, sym));
}
else
{
return(new lvar_node(this, sym));
}
}