static void Run(RunOptions options)
{
VerifyFileExists(options.File);
string programString = null;
TimeAction(() => programString = File.ReadAllText(options.File), options.PrintTiming, "Read source file in {0} ms.");
Lexer lexer = new Lexer(options.ProgramWidth, options.ProgramHeight);
ExpressionProgram expressionProgram = null;
TimeAction(() => expressionProgram = lexer.Lex(programString), options.PrintTiming, "Performed lexing in {0} ms.");
InstructionProgram instructionProgram = null;
TimeAction(() => instructionProgram = new InstructionProgram(expressionProgram), options.PrintTiming, "Performed parsing in {0} ms.");
Interpreter interpreter;
if (options.DisableInterpreterOutput)
{
interpreter = new Interpreter(new NoOutputEnvironment());
}
else
{
interpreter = new Interpreter();
}
TimeAction(() => interpreter.Execute(instructionProgram), options.PrintTiming, "Executed program in {0} ms.");
}
public ExecutionContext(InstructionProgram program)
{
Program = program;
MutatedInstructions = new Instruction[program.Width, program.Height];
MutatedExpressions = new char?[program.Width, program.Height];
Stack = new Stack <int>();
IsRunning = true;
ExecutionDirection = ExecutionDirection.Right;
InstructionPointer = new InstructionPointer(0, 0);
}
public void Execute(InstructionProgram program)
{
ExecutionContext context = new ExecutionContext(program);
while (context.IsRunning)
{
Instruction currentInstruction = context.GetCurrentInstruction();
currentInstruction(context, _environment);
context.AdvanceInstructionPointer();
}
Console.WriteLine();
}
