public static Instruction Parse(List <AssemblyInstruction> instructions, String line)
{
AssemblyInstruction instruction = AssemblyParser.GetAssemblyInstructionFromString(instructions, line);
String[] parameters = GetParametersString(line);
Register destination, register1, register2;
ushort immediate;
switch (instruction.Type)
{
case InstructionType.R:
destination = AssemblyParser.GetRegister(parameters, 0);
register1 = AssemblyParser.GetRegister(parameters, 1);
register2 = AssemblyParser.GetRegister(parameters, 2);
return(new RInstruction(instruction, line, destination, register1, register2));
case InstructionType.I:
register1 = AssemblyParser.GetRegister(parameters, 0);
register2 = AssemblyParser.GetRegister(parameters, 1);
immediate = GetValue(parameters, 2);
return(new IInstruction(instruction, line, register1, register2, immediate));
case InstructionType.J:
immediate = GetValue(parameters, 0);
return(new JInstruction(instruction, line, immediate));
}
return(null);
}
private void LoadFromFile()
{
using (StreamReader reader = new StreamReader("code.txt"))
{
while (!reader.EndOfStream)
{
String line = reader.ReadLine();
Instruction i = AssemblyParser.Parse(instructions, line);
Instructions.Add(i);
int var = i.InstructionCode;
}
}
}
