//if arg's length = 1
private Node apply1(Node arg1)
{
string name = this.symbol.getName();
bool flag = name.Equals("car");
Node result;
if (flag)
{
result = arg1.getCar();
}//end if
else
{
bool flag2 = name.Equals("cdr");
if (flag2)
{
result = arg1.getCdr();
}//end if
else
{
bool flag3 = name.Equals("number?");
if (flag3)
{
result = BoolLit.getInstance(arg1.isNumber());
}//end if
else
{
bool flag4 = name.Equals("symbol?");
if (flag4)
{
result = BoolLit.getInstance(arg1.isSymbol());
}//end if
else
{
bool flag5 = name.Equals("null?");
if (flag5)
{
result = BoolLit.getInstance(arg1.isNull());
}//end if
else
{
bool flag6 = name.Equals("pair?");
if (flag6)
{
result = BoolLit.getInstance(arg1.isPair());
}//end if
else
{
bool flag7 = name.Equals("procedure?");
if (flag7)
{
result = BoolLit.getInstance(arg1.isProcedure());
}//end if
else
{
bool flag8 = name.Equals("write");// i am not sure if im handling this correctly
if (flag8)
{
arg1.print(-1);
result = Unspecific.getInstance();
}//end if
else
{
bool flag9 = name.Equals("display"); // i am not sure if im handling this correctly
if (flag9)
{
StringLit.printDoubleQuotes = false;
arg1.print(-1);
StringLit.printDoubleQuotes = true;
result = Unspecific.getInstance();
}//end if
else
{
bool flag10 = name.Equals("load");
if (flag10)
{
bool flag11 = !arg1.isString();
if (flag11)
{
Console.Error.WriteLine("Error: wrong type of argument");
result = Nil.getInstance();
}
else
{
string stringVal = arg1.getStringVal();
try
{
//not sure why it has to be Parse.Scanner to call this
Parse.Scanner s = new Parse.Scanner(File.OpenText(stringVal));
TreeBuilder b = new TreeBuilder();
Parse.Parser parser = new Parse.Parser(s, b);
for (Node node = (Node)parser.parseExp(); node != null; node = (Node)parser.parseExp())
{
node.eval(Scheme4101.env);
}
}
catch (SystemException)
{
Console.Error.WriteLine("Could not find file " + stringVal);
}
result = Unspecific.getInstance();
}
}//end if
else
{
Console.Error.WriteLine("Error: wrong number of arguments");
result = Nil.getInstance();
}
}
}
}
}
}
}//end inner sub sub sub else
}//end inner sub sub else
}//end inner sub else
}//end outer else
return result;
}
//if arg length = 0
private Node apply0()
{
string name = this.symbol.getName();
bool flag = name.Equals("read");
Node result;
if (flag)
{
Parse.Scanner s = new Parse.Scanner(Console.In);
Parse.Parser parser = new Parse.Parser(s, new TreeBuilder());
Node node = (Node)parser.parseExp();
bool flag2 = node != null;
if (flag2)
{
result = node;
}
else
{
result = new Ident("end-of-file");
}
}//end outer if
else
{
bool flag3 = name.Equals("newline");
if (flag3)
{
Console.WriteLine();
result = Unspecific.getInstance();
}
else
{
bool flag4 = name.Equals("interaction-environment");
if (flag4)
{
result = Scheme4101.env;
}
else
{
Console.Error.WriteLine("Error: wrong number of arguments");
result = Nil.getInstance();
}
}
}//end outer else
return result;
}
