public DekiScriptOutputBuffer.Range Visit(DekiScriptTryCatchFinally expr, DekiScriptExpressionEvaluationState state)
{
int marker = state.Buffer.Marker;
try {
expr.Try.VisitWith(this, state);
} catch (DekiScriptFatalException) {
throw;
} catch (DekiScriptControlFlowException) {
throw;
} catch (Exception e) {
state.Buffer.Reset(marker);
// translate exception to an error object
DekiScriptMap error = DekiScriptLibrary.MakeErrorObject(e, state.Env);
// capture error object in a nested environment
try {
state.Env.Vars.Add(expr.Variable, error);
expr.Catch.VisitWith(this, state);
} finally {
state.Env.Vars.Add(expr.Variable, DekiScriptNil.Value);
}
} finally {
expr.Finally.VisitWith(this, state);
}
return(state.Buffer.Since(marker));
}
public DekiScriptExpression Visit(DekiScriptTryCatchFinally expr, DekiScriptExpressionEvaluationState state)
{
// TODO (steveb)
return(expr);
}
