static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Usage: *.exe .vm");
Environment.Exit(-1);
}
string fileName = args[0];
string output = fileName.Replace(".vm", ".asm");
Parse parse = new Parse(fileName);
codeWriter writer = new codeWriter(output, parse);
while (parse.hasMoreCommand())
{
Parse.CodeType type = parse.commandType();
if (type == Parse.CodeType.C_ARITHMETIC)
{
writer.writeArithmetic();
}
else if (type == Parse.CodeType.C_PUSH || type == Parse.CodeType.C_POP)
{
writer.writePushPop(type, parse.arg1(), Convert.ToInt32(parse.arg2()));
}
else
{
Console.WriteLine("No Finish");
Environment.Exit(-1);
}
parse.advance();
}
writer.close();
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Program.exe asmfile");
return;
}
string filename = args[0];
List <string> resultCode = new List <string>();
var parse = new Parse(filename);
while (parse.hasMoreLine())
{
Parse.CodeType type = parse.commandType();
if (type == Parse.CodeType.A_COMMAND)
{
int result;
string symbol = parse.symbol();
if (Int32.TryParse(symbol, out result) == true)
{
resultCode.Add(padString(result, 16));
}
else
{
if (parse._symbol_dict.ContainsKey(symbol))
{
}
else
{
parse._symbol_dict[symbol] = parse.baseAddress + parse.varCount;
++parse.varCount;
}
resultCode.Add(padString(parse._symbol_dict[symbol], 16));
}
}
else if (type == Parse.CodeType.C_COMMAND)
{
resultCode.Add("111" + Code.comp(parse.comp()) + Code.dest(parse.dest()) + Code.jump(parse.jump()));
}
else
{
Console.WriteLine("Something wrong");
Environment.Exit(-1);
}
parse.advance();
}
string outfile = filename.Replace(".asm", ".hack");
File.WriteAllLines(outfile, resultCode);
}
public void writePushPop(Parse.CodeType codeType, string segment, int segmentIndex)
{
if (codeType == Parse.CodeType.C_PUSH)
{
if (segment == "constant")
{
addCode("@" + segmentIndex.ToString());
addCode("D=A");
DtoStack();
}
else if (segment == "local")
{
pushSegmentHelper("@LCL");
}
else if (segment == "argument")
{
pushSegmentHelper("@ARG");
}
else if (segment == "this")
{
pushSegmentHelper("@THIS");
}
else if (segment == "that")
{
pushSegmentHelper("@THAT");
}
else if (segment == "static")
{
pushSegmentHelper("@16");
}
else if (segment == "temp")
{
pushSegmentTemp();
}
else if (segment == "pointer")
{
pushSegmentPointer();
}
else
{
Console.WriteLine("No finish:push");
Environment.Exit(-1);
}
}
else if (codeType == Parse.CodeType.C_POP)
{
if (segment == "constant")
{
popToA();
}
else if (segment == "local")
{
popSegmentHelper("@LCL");
}
else if (segment == "argument")
{
popSegmentHelper("@ARG");
}
else if (segment == "this")
{
popSegmentHelper("@THIS");
}
else if (segment == "that")
{
popSegmentHelper("@THAT");
}
else if (segment == "static")
{
popSegmentHelper("@16");
}
else if (segment == "temp")
{
popSegmentTemp();
}
else if (segment == "pointer")
{
popSegmentPointer();
}
else
{
Console.WriteLine("No finish:pop");
Environment.Exit(-1);
}
}
else
{
Console.WriteLine("Wrong Type : writePushPop");
Environment.Exit(-1);
}
}
static void Main(string[] args)
{
if (args.Length != 1)
{
Console.WriteLine("Usage: *.exe .vm");
Environment.Exit(-1);
}
List <string> fileList = new List <string>();
string fileName = args[0];
string output = "";
if (fileName.EndsWith(".vm"))
{
output = fileName.Replace(".vm", ".asm");
}
else
{
var dirName = new DirectoryInfo(fileName).Name;
output = fileName + @"\" + dirName + ".asm";
fileList.AddRange(Directory.GetFiles(fileName, "*.vm"));
}
codeWriter writer = new codeWriter(output);
writer.writeBootLoader();
foreach (var name in fileList)
{
Parse parse = new Parse(name);
writer.changeParse(parse);
while (parse.hasMoreCommand())
{
Parse.CodeType type = parse.commandType();
if (type == Parse.CodeType.C_ARITHMETIC)
{
writer.writeArithmetic();
}
else if (type == Parse.CodeType.C_PUSH || type == Parse.CodeType.C_POP)
{
writer.writePushPop(type, parse.arg1(), Convert.ToInt32(parse.arg2()));
}
else if (type == Parse.CodeType.C_LABEL)
{
writer.writeLabel();
}
else if (type == Parse.CodeType.C_FUNCTION)
{
writer.writeFunction();
}
else if (type == Parse.CodeType.C_GOTO)
{
writer.writeGoto();
}
else if (type == Parse.CodeType.C_IF)
{
writer.writeIf();
}
else if (type == Parse.CodeType.C_RETURN)
{
writer.writeReturn();
}
else if (type == Parse.CodeType.C_CALL)
{
writer.writeCall();
}
else
{
Console.WriteLine("No Finish");
Environment.Exit(-1);
}
parse.advance();
}
}
writer.close();
}
