void programmes()
{
Unit = new CompilationUnit(); ProgramDeclaration p = null;
program(ref p);
Unit.Program = p;
Expect(26);
}
void program(ref ProgramDeclaration p)
{
List <VariableDeclaration> vl = new List <VariableDeclaration>(); List <MethodDeclaration> ml = new List <MethodDeclaration>(); Statement s = null;
Expect(3);
p = new ProgramDeclaration {
Location = new Location(t.line, t.col, t.charPos)
};
Expect(1);
p.Name = t.val;
Expect(19);
if (la.kind == 4)
{
variable_declarations(ref vl);
}
else if (la.kind == 6 || la.kind == 7)
{
}
else
{
SynErr(40);
}
p.Variables = vl;
method_declarations(ref ml);
p.Methods = ml;
block_stmt(ref s);
p.Block = s;
}
/// <summary>
/// Start the program by finding the entry point and calling it
/// </summary>
internal void Start()
{
if (State != AlgorithmInterpreterState.Ready && State != AlgorithmInterpreterState.Stopped && State != AlgorithmInterpreterState.StoppedWithError)
{
throw new InvalidOperationException("Unable to start a algorithm interpreter which is not stopped.");
}
ChangeState(this, new AlgorithmInterpreterStateEventArgs(AlgorithmInterpreterState.Preparing));
Initialize();
var entryPointMethod = ProgramDeclaration.GetEntryPointMethod();
var i = 0;
ClassInterpreter entryPointClass = null;
if (entryPointMethod == null)
{
ChangeState(this, new AlgorithmInterpreterStateEventArgs(new Error(new MissingEntryPointMethodException(ProgramDeclaration.EntryPointPath)), GetDebugInfo()));
return;
}
ChangeState(this, new AlgorithmInterpreterStateEventArgs(AlgorithmInterpreterState.Running));
while (i < Classes.Count && entryPointClass == null)
{
if (Classes[i].ClassDeclaration.Name.ToString() == ProgramDeclaration.EntryPointPath)
{
entryPointClass = Classes[i];
}
i++;
}
if (entryPointClass == null)
{
ChangeState(this, new AlgorithmInterpreterStateEventArgs(new Error(new MissingEntryPointMethodException(ProgramDeclaration.EntryPointPath)), GetDebugInfo()));
return;
}
// TODO: try to use the Instanciate & InvokeMethod interpreter's functions
EntryPointInstance = entryPointClass.CreateNewInstance();
EntryPointInstance.StateChanged += ChangeState;
EntryPointInstance.OnGetParentInterpreter += new Func <ProgramInterpreter>(() => this);
EntryPointInstance.OnDone += new Action <ClassInterpreter>((cl) =>
{
cl.StateChanged -= ChangeState;
});
EntryPointInstance.Initialize();
EntryPointInstance.CreateNewInstanceCallConstructors(null);
EntryPointInstance.EntryPoint.StateChanged += ChangeState;
EntryPointInstance.EntryPoint.OnGetParentInterpreter += new Func <ClassInterpreter>(() => EntryPointInstance);
EntryPointInstance.EntryPoint.OnDone += new Action <MethodInterpreter>((met) =>
{
met.Dispose();
met.StateChanged -= ChangeState;
});
EntryPointInstance.EntryPoint.Initialize();
EntryPointInstance.EntryPoint.Run(false, new Collection <object>(), Guid.Empty);
EntryPointInstance.StateChanged -= ChangeState;
}