#include <iomanip>
#include <fstream>
#include <map>
+#include <vector>
//LLVM Header files
#include "llvm/Support/raw_ostream.h"
{
string initialInnerState;
list<string> defferedEvents;
+ list<string> inStateEvents;
+ bool noTypedef;
public:
const string name;
- explicit State(string name) : name(name) {}
+ explicit State(string name) : noTypedef(false), name(name) {}
void setInitialInnerState(string name) { initialInnerState = name; }
void addDeferredEvent(const string &name) { defferedEvents.push_back(name); }
+ void addInStateEvent(const string &name) { inStateEvents.push_back(name); }
+ void setNoTypedef() { noTypedef = true;}
friend ostream& operator<<(ostream& os, const State& s);
};
string label = s.name;
for (list<string>::const_iterator i = s.defferedEvents.begin(), e = s.defferedEvents.end(); i != e; ++i)
label.append("<br />").append(*i).append(" / defer");
- os << indent << s.name << " [label=<" << label << ">]\n";
+ for (list<string>::const_iterator i = s.inStateEvents.begin(), e = s.inStateEvents.end(); i != e; ++i)
+ label.append("<br />").append(*i).append(" / in state");
+ if (s.noTypedef) os << indent << s.name << " [label=<" << label << ">, color=\"red\"]\n";
+ else os << indent << s.name << " [label=<" << label << ">]\n";
if (s.size()) {
os << indent << s.name << " -> " << s.initialInnerState << " [style = dashed]\n";
os << indent << "subgraph cluster_" << s.name << " {\n" << indent_inc;
: model(model), SrcState(SrcState), EventType(EventType) {}
bool VisitMemberExpr(MemberExpr *E) {
- if (E->getMemberNameInfo().getAsString() != "transit")
+ if (E->getMemberNameInfo().getAsString() == "defer_event") {
+ CXXRecordDecl *Event = EventType->getAsCXXRecordDecl();
+
+ Model::State *s = model.findState(SrcState->getName());
+ assert(s);
+ s->addDeferredEvent(Event->getName());
+ } else if (E->getMemberNameInfo().getAsString() != "transit")
return true;
if (E->hasExplicitTemplateArgs()) {
const Type *DstStateType = E->getExplicitTemplateArgs()[0].getArgument().getAsType().getTypePtr();
class Visitor : public RecursiveASTVisitor<Visitor>
{
+ struct eventModel {
+ string name;
+ SourceLocation loc;
+ eventModel(string ev, SourceLocation sourceLoc) : name(ev), loc(sourceLoc){}
+ };
+ struct testEventModel {
+ string eventName;
+ testEventModel(string name) : eventName(name){}
+ bool operator() (const eventModel& model) {
+ if (eventName.compare(model.name) == 0)
+ return true;
+ return false;
+ }
+ };
ASTContext *ASTCtx;
Model::Model &model;
DiagnosticsEngine &Diags;
unsigned diag_unhandled_reaction_type, diag_unhandled_reaction_decl,
- diag_found_state, diag_found_statemachine, diag_no_history, diag_warning;
+ diag_found_state, diag_found_statemachine, diag_no_history, diag_missing_reaction, diag_warning;
+ std::vector<bool> reactMethodInReactions; // Indicates whether i-th react method is referenced from typedef reactions.
+ std::list<eventModel> listOfDefinedEvents;
public:
bool shouldVisitTemplateInstantiations() const { return true; }
Diags.getCustomDiagID(DiagnosticsEngine::Error, "Unhandled reaction type '%0'");
diag_unhandled_reaction_decl =
Diags.getCustomDiagID(DiagnosticsEngine::Error, "Unhandled reaction decl '%0'");
- diag_unhandled_reaction_decl =
+ diag_no_history =
Diags.getCustomDiagID(DiagnosticsEngine::Error, "History is not yet supported");
+ diag_missing_reaction =
+ Diags.getCustomDiagID(DiagnosticsEngine::Error, "Missing react method for event '%0'");
diag_warning =
Diags.getCustomDiagID(DiagnosticsEngine::Warning, "'%0' %1");
}
DiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID) { return Diags.Report(Loc, DiagID); }
- void HandleCustomReaction(const CXXRecordDecl *SrcState, const Type *EventType)
+ void checkAllReactMethods(const CXXRecordDecl *SrcState)
{
+ unsigned i = 0;
+ IdentifierInfo& II = ASTCtx->Idents.get("react");
+ for (DeclContext::lookup_const_result ReactRes = SrcState->lookup(DeclarationName(&II));
+ ReactRes.first != ReactRes.second; ++ReactRes.first, ++i) {
+ if (i >= reactMethodInReactions.size() || reactMethodInReactions[i] == false) {
+ CXXMethodDecl *React = dyn_cast<CXXMethodDecl>(*ReactRes.first);
+ Diag(React->getParamDecl(0)->getLocStart(), diag_warning)
+ << React->getParamDecl(0)->getType().getAsString() << " missing in typedef reactions";
+ }
+ }
+ }
+
+ bool HandleCustomReaction(const CXXRecordDecl *SrcState, const Type *EventType)
+ {
+ unsigned i = 0;
IdentifierInfo& II = ASTCtx->Idents.get("react");
// TODO: Lookup for react even in base classes - probably by using Sema::LookupQualifiedName()
for (DeclContext::lookup_const_result ReactRes = SrcState->lookup(DeclarationName(&II));
if (React->getNumParams() >= 1) {
const ParmVarDecl *p = React->getParamDecl(0);
const Type *ParmType = p->getType().getTypePtr();
+ if (i == reactMethodInReactions.size()) reactMethodInReactions.push_back(false);
if (ParmType->isLValueReferenceType())
ParmType = dyn_cast<LValueReferenceType>(ParmType)->getPointeeType().getTypePtr();
- if (ParmType == EventType)
+ if (ParmType == EventType) {
FindTransitVisitor(model, SrcState, EventType).TraverseStmt(React->getBody());
+ reactMethodInReactions[i] = true;
+ return true;
+ }
} else
Diag(React->getLocStart(), diag_warning)
<< React << "has not a parameter";
} else
Diag((*ReactRes.first)->getSourceRange().getBegin(), diag_warning)
<< (*ReactRes.first)->getDeclKindName() << "is not supported as react method";
+ i++;
}
+ return false;
}
void HandleReaction(const Type *T, const SourceLocation Loc, CXXRecordDecl *SrcState)
const Type *DstStateType = TST->getArg(1).getAsType().getTypePtr();
CXXRecordDecl *Event = EventType->getAsCXXRecordDecl();
CXXRecordDecl *DstState = DstStateType->getAsCXXRecordDecl();
+ listOfDefinedEvents.remove_if(testEventModel(Event->getNameAsString()));
Model::Transition *T = new Model::Transition(SrcState->getName(), DstState->getName(), Event->getName());
model.transitions.push_back(T);
} else if (name == "boost::statechart::custom_reaction") {
const Type *EventType = TST->getArg(0).getAsType().getTypePtr();
- HandleCustomReaction(SrcState, EventType);
+ if (!HandleCustomReaction(SrcState, EventType)) {
+ Diag(SrcState->getLocation(), diag_missing_reaction) << EventType->getAsCXXRecordDecl()->getName();
+ }
+ listOfDefinedEvents.remove_if(testEventModel(EventType->getAsCXXRecordDecl()->getNameAsString()));
} else if (name == "boost::statechart::deferral") {
const Type *EventType = TST->getArg(0).getAsType().getTypePtr();
CXXRecordDecl *Event = EventType->getAsCXXRecordDecl();
+ listOfDefinedEvents.remove_if(testEventModel(Event->getNameAsString()));
Model::State *s = model.findState(SrcState->getName());
assert(s);
} else if (name == "boost::mpl::list") {
for (TemplateSpecializationType::iterator Arg = TST->begin(), End = TST->end(); Arg != End; ++Arg)
HandleReaction(Arg->getAsType().getTypePtr(), Loc, SrcState);
+ } else if (name == "boost::statechart::in_state_reaction") {
+ const Type *EventType = TST->getArg(0).getAsType().getTypePtr();
+ CXXRecordDecl *Event = EventType->getAsCXXRecordDecl();
+ listOfDefinedEvents.remove_if(testEventModel(Event->getNameAsString()));
+
+ Model::State *s = model.findState(SrcState->getName());
+ assert(s);
+ s->addInStateEvent(Event->getName());
+
} else
Diag(Loc, diag_unhandled_reaction_type) << name;
} else
r->getLocStart(), SrcState);
else
Diag(Decl->getLocation(), diag_unhandled_reaction_decl) << Decl->getDeclKindName();
+ checkAllReactMethods(SrcState);
}
- TemplateArgumentLoc getTemplateArgLoc(const TypeLoc &T, unsigned ArgNum)
+ TemplateArgumentLoc getTemplateArgLoc(const TypeLoc &T, unsigned ArgNum, bool ignore)
{
if (const ElaboratedTypeLoc *ET = dyn_cast<ElaboratedTypeLoc>(&T))
- return getTemplateArgLoc(ET->getNamedTypeLoc(), ArgNum);
+ return getTemplateArgLoc(ET->getNamedTypeLoc(), ArgNum, ignore);
else if (const TemplateSpecializationTypeLoc *TST = dyn_cast<TemplateSpecializationTypeLoc>(&T)) {
if (TST->getNumArgs() >= ArgNum+1) {
return TST->getArgLoc(ArgNum);
} else
- Diag(TST->getBeginLoc(), diag_warning) << TST->getType()->getTypeClassName() << "has not enough arguments" << TST->getSourceRange();
+ if (!ignore)
+ Diag(TST->getBeginLoc(), diag_warning) << TST->getType()->getTypeClassName() << "has not enough arguments" << TST->getSourceRange();
} else
Diag(T.getBeginLoc(), diag_warning) << T.getType()->getTypeClassName() << "type as template argument is not supported" << T.getSourceRange();
return TemplateArgumentLoc();
}
- TemplateArgumentLoc getTemplateArgLocOfBase(const CXXBaseSpecifier *Base, unsigned ArgNum) {
- return getTemplateArgLoc(Base->getTypeSourceInfo()->getTypeLoc(), 1);
+ TemplateArgumentLoc getTemplateArgLocOfBase(const CXXBaseSpecifier *Base, unsigned ArgNum, bool ignore) {
+ return getTemplateArgLoc(Base->getTypeSourceInfo()->getTypeLoc(), ArgNum, ignore);
}
- CXXRecordDecl *getTemplateArgDeclOfBase(const CXXBaseSpecifier *Base, unsigned ArgNum, TemplateArgumentLoc &Loc) {
- Loc = getTemplateArgLocOfBase(Base, 1);
+ CXXRecordDecl *getTemplateArgDeclOfBase(const CXXBaseSpecifier *Base, unsigned ArgNum, TemplateArgumentLoc &Loc, bool ignore = false) {
+ Loc = getTemplateArgLocOfBase(Base, ArgNum, ignore);
switch (Loc.getArgument().getKind()) {
case TemplateArgument::Type:
return Loc.getTypeSourceInfo()->getType()->getAsCXXRecordDecl();
return 0;
}
- CXXRecordDecl *getTemplateArgDeclOfBase(const CXXBaseSpecifier *Base, unsigned ArgNum) {
+ CXXRecordDecl *getTemplateArgDeclOfBase(const CXXBaseSpecifier *Base, unsigned ArgNum, bool ignore = false) {
TemplateArgumentLoc Loc;
- return getTemplateArgDeclOfBase(Base, ArgNum, Loc);
+ return getTemplateArgDeclOfBase(Base, ArgNum, Loc, ignore);
}
void handleSimpleState(CXXRecordDecl *RecordDecl, const CXXBaseSpecifier *Base)
int typedef_num = 0;
string name(RecordDecl->getName()); //getQualifiedNameAsString());
Diag(RecordDecl->getLocStart(), diag_found_state) << name;
+ reactMethodInReactions.clear();
Model::State *state;
// Either we saw a reference to forward declared state
}
c->add(state);
}
-
+ //TODO support more innitial states
TemplateArgumentLoc Loc;
if (MyCXXRecordDecl *InnerInitialState =
- static_cast<MyCXXRecordDecl*>(getTemplateArgDeclOfBase(Base, 2, Loc))) {
- if (InnerInitialState->isDerivedFrom("boost::statechart::simple_state") ||
- InnerInitialState->isDerivedFrom("boost::statechart::state_machine"))
- state->setInitialInnerState(InnerInitialState->getName());
- else
- Diag(Loc.getTypeSourceInfo()->getTypeLoc().getLocStart(), diag_warning)
+ static_cast<MyCXXRecordDecl*>(getTemplateArgDeclOfBase(Base, 2, Loc, true))) {
+ if (InnerInitialState->isDerivedFrom("boost::statechart::simple_state") ||
+ InnerInitialState->isDerivedFrom("boost::statechart::state_machine")) {
+ state->setInitialInnerState(InnerInitialState->getName());
+ }
+ else if (!InnerInitialState->getNameAsString().compare("boost::mpl::list<>"))
+ Diag(Loc.getTypeSourceInfo()->getTypeLoc().getBeginLoc(), diag_warning)
<< InnerInitialState->getName() << " as inner initial state is not supported" << Loc.getSourceRange();
}
IdentifierInfo& II = ASTCtx->Idents.get("reactions");
// TODO: Lookup for reactions even in base classes - probably by using Sema::LookupQualifiedName()
- // TODO: Find when state has no reactions
for (DeclContext::lookup_result Reactions = RecordDecl->lookup(DeclarationName(&II));
- Reactions.first != Reactions.second; ++Reactions.first)
- {
- HandleReaction(*Reactions.first, RecordDecl);
- typedef_num++;
- }
+ Reactions.first != Reactions.second; ++Reactions.first, typedef_num++)
+ HandleReaction(*Reactions.first, RecordDecl);
if(typedef_num == 0) {
- Diag(RecordDecl->getLocStart(), diag_warning)
- << " missing typedef for reactions in state : " << RecordDecl->getName();
+ Diag(RecordDecl->getLocStart(), diag_warning)
+ << RecordDecl->getName() << "state has no typedef for reactions";
+ state->setNoTypedef();
}
}
return true;
if (Declaration->getQualifiedNameAsString() == "boost::statechart::state" ||
Declaration->getQualifiedNameAsString() == "TimedState" ||
- Declaration->getQualifiedNameAsString() == "TimedSimpleState")
- return true; // This is an "abstract class" not a real state
+ Declaration->getQualifiedNameAsString() == "TimedSimpleState" ||
+ Declaration->getQualifiedNameAsString() == "boost::statechart::assynchronous_state_machine")
+ return true; // This is an "abstract class" not a real state or real state machine
MyCXXRecordDecl *RecordDecl = static_cast<MyCXXRecordDecl*>(Declaration);
const CXXBaseSpecifier *Base;
else if (RecordDecl->isDerivedFrom("boost::statechart::state_machine", &Base))
handleStateMachine(RecordDecl, Base);
else if (RecordDecl->isDerivedFrom("boost::statechart::event"))
- {
- //sc.events.push_back(RecordDecl->getNameAsString());
- }
+ listOfDefinedEvents.push_back(eventModel(RecordDecl->getNameAsString(), RecordDecl->getLocation()));
return true;
}
+ void printUnusedEventDefinitions() {
+ for(list<eventModel>::iterator it = listOfDefinedEvents.begin(); it!=listOfDefinedEvents.end(); it++)
+ Diag((*it).loc, diag_warning)
+ << (*it).name << "event defined but not used in any state";
+ }
};
virtual void HandleTranslationUnit(clang::ASTContext &Context) {
visitor.TraverseDecl(Context.getTranslationUnitDecl());
+ visitor.printUnusedEventDefinitions();
model.write_as_dot_file(destFileName);
}
};