/// <summary>
/// Processes the specified input path.
/// </summary>
/// <param name="inputPath">The input path.</param>
private void ProcessFile(string inputPath)
{
using (Parser parser = new Parser(inputPath))
{
CodeWriter codeWriter = new CodeWriter(this.assemblyCode);
codeWriter.VmFileName = Path.GetFileNameWithoutExtension(inputPath);
while (parser.HasMoreCommands())
{
parser.Advance();
CommandType commandType = parser.GetCommandType();
if (commandType == CommandType.C_PUSH || commandType == CommandType.C_POP)
{
codeWriter.WritePushPop(commandType, parser.GetArg1(), int.Parse(parser.GetArg2()));
}
if (commandType == CommandType.C_ARITHMETIC)
{
codeWriter.WriteArithmetic(parser.GetArg1());
}
if (commandType == CommandType.C_LABEL)
{
codeWriter.WriteLabel(parser.GetArg1());
}
if (commandType == CommandType.C_GOTO)
{
codeWriter.WriteGoto(parser.GetArg1());
}
if (commandType == CommandType.C_IF)
{
codeWriter.WriteIf(parser.GetArg1());
}
if (commandType == CommandType.C_CALL)
{
codeWriter.WriteCall(parser.GetArg1(), int.Parse(parser.GetArg2()));
}
if (commandType == CommandType.C_FUNCTION)
{
codeWriter.WriteFunction(parser.GetArg1(), int.Parse(parser.GetArg2()));
}
if (commandType == CommandType.C_RETURN)
{
codeWriter.WriteReturn();
}
}
}
}
static void Process(Parser parser, CodeWriter codeWriter)
{
while (parser.HasMoreCommands())
{
parser.Advance();
var type = parser.CommandType();
if (type == CommandTypeEnum.C_ARITHMETIC)
{
codeWriter.WriteArithmetric(parser.Arg1());
}
else if (type == CommandTypeEnum.C_PUSH || type == CommandTypeEnum.C_POP)
{
codeWriter.WritePushPop(type, parser.Arg1(), parser.Arg2());
}
else if (type == CommandTypeEnum.C_LABEL)
{
codeWriter.WriteLabel(parser.Arg1());
}
else if (type == CommandTypeEnum.C_GOTO)
{
codeWriter.WriteGoto(parser.Arg1());
}
else if (type == CommandTypeEnum.C_IF)
{
codeWriter.WriteIf(parser.Arg1());
}
else if (type == CommandTypeEnum.C_FUNCTION)
{
codeWriter.WriteFunction(parser.Arg1(), parser.Arg2());
}
else if (type == CommandTypeEnum.C_CALL)
{
codeWriter.WriteCall(parser.Arg1(), parser.Arg2());
}
else
{
codeWriter.WriteReturn();
}
}
}