public void GetArg1and2Test()
{
Parser parser = new Parser("push constant 2", true);
Assert.IsTrue(parser.GetArg1() == "constant");
Assert.IsTrue(parser.GetArg2() == "2");
parser = new Parser("pop static 8", true);
Assert.IsTrue(parser.GetArg1() == "static");
Assert.IsTrue(parser.GetArg2() == "8");
parser = new Parser("label IF_FALSE", true);
Assert.IsTrue(parser.GetArg1() == "IF_FALSE");
parser = new Parser("goto IF_FALSE", true);
Assert.IsTrue(parser.GetArg1() == "IF_FALSE");
parser = new Parser("if-goto IF_TRUE", true);
Assert.IsTrue(parser.GetArg1() == "IF_TRUE");
parser = new Parser("function Main.fibonacci 0", true);
Assert.IsTrue(parser.GetArg1() == "Main.fibonacci");
Assert.IsTrue(parser.GetArg2() == "0");
parser = new Parser("call Main.fibonacci 1", true);
Assert.IsTrue(parser.GetArg1() == "Main.fibonacci");
Assert.IsTrue(parser.GetArg2() == "1");
}
static void Main(string[] args)
{
if (args.Length != 1 || !args[0].EndsWith(".vm"))
{
Console.WriteLine("Usage: VMTranslator <file>.vm");
return;
}
string inputFile = args[0];
string outputFile = Path.ChangeExtension(inputFile, "hack");
var parser = new Parser(new FileStream(inputFile, FileMode.Open));
var writer = new CodeWriter(new FileStream(outputFile, FileMode.Create));
}
public void GetCommandTypeTest()
{
Parser parser = new Parser("sub", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_ARITHMETIC);
parser = new Parser("push constant 2", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_PUSH);
parser = new Parser("pop static 8", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_POP);
parser = new Parser("label IF_FALSE", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_LABEL);
parser = new Parser("goto IF_FALSE", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_GOTO);
parser = new Parser("if-goto IF_TRUE", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_IF);
parser = new Parser("function Main.fibonacci 0", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_FUNCTION);
parser = new Parser("return", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_RETURN);
parser = new Parser("call Main.fibonacci 1", true);
Assert.IsTrue(parser.GetCommandType() == CommandType.C_CALL);
}