public void ConstructorTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
VmWriter vmWriter = new VmWriter(outputPath);
Assert.IsTrue(File.Exists(outputPath), "file not found.");
}
public void WriteGotoTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
using (VmWriter vmWriter = new VmWriter(outputPath))
{
vmWriter.WriteGoto("SomeLabel");
}
using (StreamReader streamReader = new StreamReader(File.OpenRead("../../../TestFiles/PrintNumber/UnitTest.vm")))
{
string line = streamReader.ReadLine().Trim();
Assert.IsTrue(string.Equals(line, "goto SomeLabel", StringComparison.InvariantCulture));
}
}
public void WriteArithmeticTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
using (VmWriter vmWriter = new VmWriter(outputPath))
{
vmWriter.WriteArithmetic(ArithmeticCommand.Add);
}
using (StreamReader streamReader = new StreamReader(File.OpenRead("../../../TestFiles/PrintNumber/UnitTest.vm")))
{
string line = streamReader.ReadLine().Trim();
Assert.IsTrue(string.Equals(line, "add", StringComparison.InvariantCulture));
}
}
public void WritePopTest()
{
string outputPath = "../../../TestFiles/PrintNumber/UnitTest.vm";
using (VmWriter vmWriter = new VmWriter(outputPath))
{
vmWriter.WritePop(Segment.Argument, 1);
}
using (StreamReader streamReader = new StreamReader(File.OpenRead("../../../TestFiles/PrintNumber/UnitTest.vm")))
{
string line = streamReader.ReadLine().Trim();
Assert.IsTrue(string.Equals(line, "pop Argument 1", StringComparison.InvariantCulture));
}
}
public static string CompilingJackCode(this VmCompiler vmCompiler, string jackCode)
{
using (var tokeniser = new Tokeniser(jackCode))
{
var output = new StringWriter();
var writer = new VmWriter(output);
var parser = new Parser(new Grammarian());
parser.Parse(tokeniser);
var xmlConverter = new XmlConverter();
Console.WriteLine(xmlConverter.ConvertNode(parser.Tree).OuterXml);
vmCompiler.Compile(parser.Tree, writer);
return writer.ToString();
}
}
public void Run(Options parameter, Action <Options> next)
{
var ast = (AssemblySource)parameter.Tags["AST"];
var writer = new VmWriter();
foreach (var line in ast.Lines)
{
writer.Write(line.Opcode);
foreach (var ops in line.Operands)
{
writer.Write(ops);
}
}
File.WriteAllBytes(parameter.Output, writer.ToArray());
next(parameter);
}
public void Run()
{
ReadLine.HistoryEnabled = true;
ReadLine.AutoCompletionHandler = new AutoCompletionHandler();
bool ishexMode = false;
while (true)
{
string prefix = ishexMode ? "hex" : "asm";
var input = ReadLine.Read(prefix + "> ");
if (ReplCommand.IsCommand(input))
{
var cmd = ReplCommand.Parse(input);
switch (cmd.Name)
{
case "mode":
var arg = cmd.Args.First();
if (arg == "asm")
{
ishexMode = false;
}
else if (arg == "hex")
{
ishexMode = true;
}
else
{
Console.WriteLine($"mode '{arg}' not recognized");
}
break;
case "register":
Utils.PrintRegisters(vm.Register);
break;
case "clear":
Console.Clear();
break;
case "explain":
if (cmd.Args.Length == 1)
{
var errorcodeStr = cmd.Args.First();
Console.WriteLine(ErrorTable.GetExplanation(int.Parse(errorcodeStr)));
}
else
{
Console.WriteLine("Please specifiy an errorcode");
}
break;
default:
Console.WriteLine($"Command '{cmd.Name}' not found");
break;
}
}
else
{
if (ishexMode)
{
var prog = ParseHex(input);
var reader = new VmReader(prog, vm);
vm.RunInstructionLine(reader);
}
else
{
var src = AssemblySource.Parse(input);
var writer = new VmWriter();
foreach (var line in src.Lines)
{
writer.Write(line.Opcode);
foreach (var operand in line.Operands)
{
writer.Write(operand);
}
}
vm.Run(writer);
vm.Register[Registers.IPR] = 0;
}
}
}
}
