protected void runProgram(string program, Dictionary <string, object> variablesIn, int expectedIterations, out FrameContext context)
{
var inputStream = new AntlrInputStream(program);
var lexer = new CloacaLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(lexer);
var errorListener = new ParseErrorListener();
var parser = new CloacaParser(commonTokenStream);
parser.AddErrorListener(errorListener);
var antlrVisitorContext = parser.file_input();
Assert.That(errorListener.Errors.Count, Is.Zero, "There were parse errors:\n" + errorListener.Report());
var visitor = new CloacaBytecodeVisitor(variablesIn);
visitor.Visit(antlrVisitorContext);
// We'll do a disassembly here but won't assert against it. We just want to make sure it doesn't crash.
CodeObject compiledProgram = visitor.RootProgram.Build();
Dis.dis(compiledProgram);
// TODO: This dependency association is kind of gross. It's almost circular and is broken by assigning
// the interpreter reference to the schedular after its initial constructor.
var scheduler = new Scheduler();
var interpreter = new Interpreter(scheduler);
// Create native resource manager which will handle builtins that provide access to 'native' resources such as files.
var nativeResourceManager = new NativeResourceManager();
nativeResourceManager.RegisterProvider <INativeFileProvider>(new DefaultFileProvider());
nativeResourceManager.RegisterBuiltins(interpreter);
interpreter.DumpState = true;
scheduler.SetInterpreter(interpreter);
var receipt = scheduler.Schedule(compiledProgram);
context = receipt.Frame;
foreach (string varName in variablesIn.Keys)
{
context.SetVariable(varName, variablesIn[varName]);
}
// Waiting on the task makes sure we get punched in the face by any exceptions it throws.
// But they'll come rolling in as AggregateExceptions so we'll have to unpack them.
var scheduler_task = scheduler.RunUntilDone();
scheduler_task.Wait();
Assert.That(receipt.Completed);
if (receipt.EscapedExceptionInfo != null)
{
receipt.EscapedExceptionInfo.Throw();
}
Assert.That(scheduler.TickCount, Is.EqualTo(expectedIterations));
}
public ProgramExecutor(InputOutputStream stdout)
{
_stdout = stdout;
_scheduler = new Scheduler();
_interpreter = new Interpreter(_scheduler);
_nativeResourceManager = new NativeResourceManager();
_nativeResourceManager.RegisterProvider <INativeFileProvider>(new DefaultFileProvider());
_nativeResourceManager.RegisterProvider <INativeStdioProvider>(new DefaultNativeStdioProvider(null, stdout));
_nativeResourceManager.RegisterBuiltins(_interpreter);
_scheduler.SetInterpreter(_interpreter);
}