add timeout transition

libs/main/state_machine/pistatemachine_state.cpp

@@ -23,8 +23,8 @@
 
 
 PIStateBase::~PIStateBase() {
-	piDeleteAll(children);
 	piDeleteAll(transitions);
+	piDeleteAll(children);
 }
 
 
@@ -76,9 +76,21 @@ PITransitionBase * PIStateBase::addTransition(PIStateBase * target, int event_id
 }
 
 
+PITransitionTimeout * PIStateBase::addTimeoutTransition(PIStateBase * target, PISystemTime timeout) {
+	PITransitionTimeout * ret = new PITransitionTimeout(this, target, timeout);
+	ret->root                 = root;
+	transitions << ret;
+	return ret;
+}
+
+
 void PIStateBase::print(PIString prefix) {
-	PICout(PICoutManipulators::AddNewLine) << prefix << "[" << (isActive() ? "*" : " ") << "] " << getName() << " active "
-										   << activeChildren();
+	auto ac = activeChildren();
+	PICout(PICoutManipulators::AddNone) << prefix << "[" << (isActive() ? "*" : " ") << "] \"" << getName() << "\"";
+	if (ac.isNotEmpty())
+		piCout << ", active" << activeChildren();
+	else
+		piCout << "";
 	prefix += "  ";
 	for (auto * c: children)
 		c->print(prefix);
@@ -86,6 +98,7 @@ void PIStateBase::print(PIString prefix) {
 
 
 bool PIStateBase::start() {
+	if (isActive()) return true;
 	if (isAtomic()) {
 		setActive(true);
 		return true;
@@ -94,8 +107,10 @@ bool PIStateBase::start() {
 			if (initial_state) {
 				setActive(true);
 				return initial_state->start();
-			} else
+			} else {
 				piCout << "error:" << getName() << "no initial state!";
+				return false;
+			}
 		} else {
 			setActive(true);
 			for (auto * s: children) {
@@ -114,12 +129,16 @@ void PIStateBase::setActive(bool yes) {
 	if (parent_state && yes) parent_state->childActived(this);
 	if (!prev_active && is_active) {
 		onEnter();
+		for (auto * t: transitions)
+			t->enabled();
 		// if (isParallel()) setChildrenActive(true);
 	}
 	if (prev_active && !is_active) {
 		active_state = nullptr;
 		if (isParallel()) setChildrenActiveRecursive(false);
 		onExit();
+		for (auto * t: transitions)
+			t->disabled();
 	}
 }