allow regexp algorithms

agui2/src/Algorithm/Algorithm.cpp

@@ -42,12 +42,12 @@ void Algorithm::addOverload(Algorithm::Overload overload) {
 bool Algorithm::canAddOverload(const Algorithm::Overload& overload) {
     for (const auto& paramType: overload.parameterTypes) {
-        if (paramType.find("automaton") != 0 && paramType.find("grammar") != 0) {
+        if (paramType.find("automaton") != 0 && paramType.find("grammar") != 0 && paramType.find("regexp") != 0) {
             return false;
         }
     }
-    if (overload.returnType.find("automaton") != 0 && overload.returnType.find("grammar") != 0) {
+    if (overload.returnType.find("automaton") != 0 && overload.returnType.find("grammar") != 0 && overload.returnType.find("regexp") != 0) {
         return false;
     }

agui2/src/Algorithm/Registry.cpp

@@ -7,7 +7,7 @@ void Registry::initialize() {
     in.algorithms.clear();
-    for (const auto& group: {"automaton", "grammar"}) {
+    for (const auto& group: {"automaton", "grammar", "regexp"}) {
         for (const auto& item: abstraction::AlgorithmRegistry::listGroup(group)) {
             const auto& name = item.first;
             auto algorithm = std::make_unique<Algorithm>(name);