////////////////////////////////////////////////////////////////////////////////////////
//standard header files
-#include <iostream>
+#include <iomanip>
+#include <fstream>
+#include <map>
//LLVM Header files
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Config/config.h"
+#include "llvm/Support/raw_os_ostream.h"
//clang header files
-#include "clang/Frontend/TextDiagnosticPrinter.h"
-#include "clang/Lex/HeaderSearch.h"
-#include "clang/Basic/FileManager.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/Basic/TargetInfo.h"
-#include "clang/Lex/Preprocessor.h"
-#include "clang/Frontend/CompilerInstance.h"
#include "clang/AST/ASTConsumer.h"
-#include "clang/Sema/Lookup.h"
-#include "clang/Parse/ParseAST.h"
-#include "clang/Basic/Version.h"
-#include "clang/Driver/Driver.h"
-#include "clang/Driver/Compilation.h"
-
-#include "clang/Frontend/FrontendPluginRegistry.h"
-#include "clang/AST/ASTConsumer.h"
-#include "clang/AST/AST.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/CXXInheritance.h"
+#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/Frontend/CompilerInstance.h"
-#include "llvm/Support/raw_ostream.h"
-
-//my own header files
-#include "iooper.h"
+#include "clang/Frontend/FrontendPluginRegistry.h"
using namespace clang;
-using namespace clang::driver;
using namespace std;
-/**
- * This class provides Simple diagnostic Client. It uses implementation in library for printing diagnostci information.
- * Also it counts number of warnings, errors, ... When an error occurs the program is stopped.
- */
-class MyDiagnosticClient : public TextDiagnosticPrinter
+namespace Model
{
- int nwarnings; /** Save number of Warnings occured during diagnostic */
- int nnotes;
- int nignored;
- int nerrors;
- public:
- /**
- * Initialize number of warnings, errors, ...
- */
- MyDiagnosticClient(llvm::raw_ostream &os, const DiagnosticOptions &diags, bool OwnsOutputStream = false):TextDiagnosticPrinter(os, diags, OwnsOutputStream = false)
- {
- nwarnings=0;
- nnotes=0;
- nignored=0;
- nerrors = 0;
- }
- /**
- * This method prints diagnostic and counts diagnostic types.
- */
- virtual void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel, const Diagnostic &Info)
- {
- TextDiagnosticPrinter::HandleDiagnostic(DiagLevel, Info); // print diagnostic information using library implementation
- switch (DiagLevel) // count number of all diagnostic information
- {
- case 0 : nignored+=1; break;
- case 1 : nnotes+=1; break;
- case 2 : nwarnings+=1; break;
- default : nerrors+=1;
- print_stats();
- exit(1);
- }
- }
- /**
- * Print statistics about diagnostic.
- */
- void print_stats()
- {
- cout<<"\n--Diagnostic Info--\n";
- cout<<"Number of ignored: "<<nignored<<"\n";
- cout<<"Number of notes: "<<nnotes<<"\n";
- cout<<"Number of warnings: "<<nwarnings<<"\n";
- cout<<"Number of errors and fatal errors: "<<nerrors<<"\n";
- }
- int getNbrOfWarnings() /** Return number of warnings */
- {
- return nwarnings;
- }
+ inline int getIndentLevelIdx() {
+ static int i = ios_base::xalloc();
+ return i;
+ }
- int getNbrOfNotes() /** Return number of notes */
- {
- return nnotes;
- }
+ ostream& indent(ostream& os) { os << setw(2*os.iword(getIndentLevelIdx())) << ""; return os; }
+ ostream& indent_inc(ostream& os) { os.iword(getIndentLevelIdx())++; return os; }
+ ostream& indent_dec(ostream& os) { os.iword(getIndentLevelIdx())--; return os; }
+
+ class State;
+
+ class Context : public map<string, State*> {
+ public:
+ iterator add(State *state);
+ Context *findContext(const string &name);
+ };
+
+ class State : public Context
+ {
+ string initialInnerState;
+ list<string> defferedEvents;
+ public:
+ const string name;
+ explicit State(string name) : name(name) {}
+ void setInitialInnerState(string name) { initialInnerState = name; }
+ void addDeferredEvent(const string &name) { defferedEvents.push_back(name); }
+ friend ostream& operator<<(ostream& os, const State& s);
+ };
+
+
+ Context::iterator Context::add(State *state)
+ {
+ pair<iterator, bool> ret = insert(value_type(state->name, state));
+ return ret.first;
+ }
- int getNbrOfIgnored() /** Return number of ignored */
- {
- return nignored;
+ Context *Context::findContext(const string &name)
+ {
+ iterator i = find(name), e;
+ if (i != end())
+ return i->second;
+ for (i = begin(), e = end(); i != e; ++i) {
+ Context *c = i->second->findContext(name);
+ if (c)
+ return c;
}
-};
+ return 0;
+ }
-/**
- * My ASTConsumer provides interface for traversing AST. It uses recursive traversing in namespaces.
- */
-class FindStates : public ASTConsumer
-{
- list<string> transitions;
- list<string> cReactions; /** list of custom reactions. After all files are traversed this list should be empty. */
- list<string> events;
- list<string> states;
- string name_of_machine;
- string name_of_start;
- string dest;
- FullSourceLoc *fsloc; /** Full Source Location instance for holding Source Manager. */
- public:
-
- FindStates(string dest) : dest(dest) {}
-
- list<string> getStates() /** Return list of states of the state machine. */
- {
- return states;
+ ostream& operator<<(ostream& os, const Context& c);
+
+ 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";
+ if (s.size()) {
+ os << indent << s.name << " -> " << s.initialInnerState << " [style = dashed]\n";
+ os << indent << "subgraph cluster_" << s.name << " {\n" << indent_inc;
+ os << indent << "label = \"" << s.name << "\"\n";
+ os << indent << s.initialInnerState << " [peripheries=2]\n";
+ os << static_cast<Context>(s);
+ os << indent_dec << indent << "}\n";
}
+ return os;
+ }
- list<string> getTransitions() /** Return list of transitions. */
- {
- return transitions;
- }
- list<string> getEvents() /** Return list of events. */
- {
- return events;
+ ostream& operator<<(ostream& os, const Context& c)
+ {
+ for (Context::const_iterator i = c.begin(), e = c.end(); i != e; i++) {
+ os << *i->second;
}
+ return os;
+ }
+
+
+ class Transition
+ {
+ public:
+ const string src, dst, event;
+ Transition(string src, string dst, string event) : src(src), dst(dst), event(event) {}
+ };
+
+ ostream& operator<<(ostream& os, const Transition& t)
+ {
+ os << indent << t.src << " -> " << t.dst << " [label = \"" << t.event << "\"]\n";
+ return os;
+ }
+
+
+ class Machine : public Context
+ {
+ protected:
+ string initial_state;
+ public:
+ const string name;
+ explicit Machine(string name) : name(name) {}
+
+ void setInitialState(string name) { initial_state = name; }
+
+ friend ostream& operator<<(ostream& os, const Machine& m);
+ };
+
+ ostream& operator<<(ostream& os, const Machine& m)
+ {
+ os << indent << "subgraph " << m.name << " {\n" << indent_inc;
+ os << indent << m.initial_state << " [peripheries=2]\n";
+ os << static_cast<Context>(m);
+ os << indent_dec << indent << "}\n";
+ return os;
+ }
+
- string getStateMachine() /** Return name of the state machine. */
+ class Model : public map<string, Machine>
+ {
+ Context undefined; // For forward-declared state classes
+ public:
+ list< Transition*> transitions;
+
+ iterator add(const Machine &m)
{
- return name_of_machine;
+ pair<iterator, bool> ret = insert(value_type(m.name, m));
+ return ret.first;
}
- string getNameOfFirstState() /** Return name of start state. */
+ void addUndefinedState(State *m)
{
- return name_of_start;
+ undefined[m->name] = m;
}
- virtual void Initialize(ASTContext &ctx)/** Run after the AST is constructed before the consumer starts to work. So this function works like constructor. */
+
+ Context *findContext(const string &name)
{
- fsloc = new FullSourceLoc(* new SourceLocation(), ctx.getSourceManager());
- name_of_start = "";
- name_of_machine = "";
+ Context::iterator ci = undefined.find(name);
+ if (ci != undefined.end())
+ return ci->second;
+ iterator i = find(name), e;
+ if (i != end())
+ return &i->second;
+ for (i = begin(), e = end(); i != e; ++i) {
+ Context *c = i->second.findContext(name);
+ if (c)
+ return c;
+ }
+ return 0;
}
-/**
-* Traverse global decls using DeclGroupRef for handling all global decls. But only interesting decls are processed. Interesting decls are Struct, Class, C++ methods and Namespace.
-* When Namespace is found it recursively traverse all decls inside this Namespace using method recursive_visit.
-*/
- virtual bool HandleTopLevelDecl(DeclGroupRef DGR)
+ State *findState(const string &name)
{
- SourceLocation loc;
- string line, output, event;
- llvm::raw_string_ostream x(output);
- for (DeclGroupRef::iterator i = DGR.begin(), e = DGR.end(); i != e; ++i)
- {
- const Decl *decl = *i;
- loc = decl->getLocation();
- if(loc.isValid())
- {
- if(decl->getKind()==35)
- {
- method_decl(decl);
- }
- if (const TagDecl *tagDecl = dyn_cast<TagDecl>(decl))
- {
- if(tagDecl->isStruct() || tagDecl->isClass()) //is it a struct or class
- {
- struct_class(decl);
- }
- }
- if(const NamespaceDecl *namespaceDecl = dyn_cast<NamespaceDecl>(decl))
- {
-
- DeclContext *declCont = namespaceDecl->castToDeclContext(namespaceDecl);
- recursive_visit(declCont);
-
- }
- }
- output = "";
- }
- return true;
+ for (iterator i = begin(), e = end(); i != e; ++i) {
+ Context *c = i->second.findContext(name);
+ if (c)
+ return static_cast<State*>(c);
+ }
+ return 0;
}
-/**
-* It is used to recursive traverse decls in Namespaces. This method do the same as HandleTopLevelDecl.
-*/
- void recursive_visit(const DeclContext *declCont)
+
+ State *removeFromUndefinedContexts(const string &name)
{
- string line, output, event;
- llvm::raw_string_ostream x(output);
- SourceLocation loc;
- for (DeclContext::decl_iterator i = declCont->decls_begin(), e = declCont->decls_end(); i != e; ++i)
- {
- const Decl *decl = *i;
- loc = decl->getLocation();
- if(loc.isValid())
- {
- if(decl->getKind()==35)
- {
- method_decl(decl);
- }
- else if (const TagDecl *tagDecl = dyn_cast<TagDecl>(decl))
- {
- if(tagDecl->isStruct() || tagDecl->isClass()) //is it a structure or class
- {
- struct_class(decl);
- }
- }
- else if(const NamespaceDecl *namespaceDecl = dyn_cast<NamespaceDecl>(decl))
- {
- DeclContext *declCont = namespaceDecl->castToDeclContext(namespaceDecl);
- recursive_visit(declCont);
- }
- }
- output = "";
- }
+ Context::iterator ci = undefined.find(name);
+ if (ci == undefined.end())
+ return 0;
+ undefined.erase(ci);
+ return ci->second;
}
-/**
-* This function works with class or struct. It splits the decl into 3 interesting parts.
-* The state machine decl, state decl and event decl.
-*/
- void struct_class(const Decl *decl)
+ void write_as_dot_file(string fn)
{
- string output, line, ret, trans, event;
- llvm::raw_string_ostream x(output);
- decl->print(x);
- line = get_line_of_code(x.str());
-
- output = "";
- int pos;
- const NamedDecl *namedDecl = dyn_cast<NamedDecl>(decl);
- if(is_derived(line))
- {
- const CXXRecordDecl *cRecDecl = dyn_cast<CXXRecordDecl>(decl);
-
- if(find_events(cRecDecl, line))
- {
- events.push_back(namedDecl->getNameAsString());
- }
- else if(name_of_machine == "")
- {
- ret = find_name_of_machine(cRecDecl, line);
- if(!ret.empty())
- {
- pos = ret.find(",");
- name_of_machine = ret.substr(0,pos);
- name_of_start = ret.substr(pos+1);
- }
- }
- else
- {
- ret = find_states(cRecDecl, line);
- if(!ret.empty())
- {
- states.push_back(ret);
- methods_in_class(decl,namedDecl->getNameAsString());
- }
- }
- }
+ ofstream f(fn.c_str());
+ f << "digraph statecharts {\n" << indent_inc;
+ for (iterator i = begin(), e = end(); i != e; i++)
+ f << i->second;
+ for (list<Transition*>::iterator t = transitions.begin(), e = transitions.end(); t != e; ++t)
+ f << **t;
+ f << indent_dec << "}\n";
}
+ };
+};
-/**
-* This function provides traversing all methods and other context indide class. If
-* typedef or classic method decl is found. If typedef is found then it is being testted for transitions and custom reactions.
-*/
- void methods_in_class(const Decl *decl, const string state)
- {
- string output, line, ret, trans, event;
- llvm::raw_string_ostream x(output);
- int pos, num;
- const TagDecl *tagDecl = dyn_cast<TagDecl>(decl);
- const DeclContext *declCont = tagDecl->castToDeclContext(tagDecl);
- output="";
- std::cout<<"Found state: "<<state<<std::endl;
- for (DeclContext::decl_iterator i = declCont->decls_begin(), e = declCont->decls_end(); i != e; ++i)
- {
- if (i->getKind()==26) // typedefs
- {
- i->print(x);
- output = x.str();
- line = clean_spaces(cut_type(output));
- ret = find_transitions(state,line);
- if(!ret.empty())
- {
- num = count(ret,';')+1;
- for(int i = 0;i<num;i++)
- {
- pos = ret.find(";");
- if(pos == 0)
- {
- ret = ret.substr(1);
- pos = ret.find(";");
- if(pos==-1) cReactions.push_back(ret);
- else cReactions.push_back(ret.substr(0,pos));
- num-=1;
- }
- else
- {
- if(pos==-1) transitions.push_back(ret);
- else transitions.push_back(ret.substr(0,pos));
- }
- if(i!=num-1) ret = ret.substr(pos+1);
- }
- output="";
- }
- }
- if(i->getKind()==35) method_decl(*i);// C++ method
- }
+class MyCXXRecordDecl : public CXXRecordDecl
+{
+ static bool FindBaseClassString(const CXXBaseSpecifier *Specifier,
+ CXXBasePath &Path,
+ void *qualName)
+ {
+ string qn(static_cast<const char*>(qualName));
+ const RecordType *rt = Specifier->getType()->getAs<RecordType>();
+ assert(rt);
+ TagDecl *canon = rt->getDecl()->getCanonicalDecl();
+ return canon->getQualifiedNameAsString() == qn;
+ }
+
+public:
+ bool isDerivedFrom(const char *baseStr, CXXBaseSpecifier const **Base = 0) const {
+ CXXBasePaths Paths(/*FindAmbiguities=*/false, /*RecordPaths=*/!!Base, /*DetectVirtual=*/false);
+ Paths.setOrigin(const_cast<MyCXXRecordDecl*>(this));
+ if (!lookupInBases(&FindBaseClassString, const_cast<char*>(baseStr), Paths))
+ return false;
+ if (Base)
+ *Base = Paths.front().back().Base;
+ return true;
+ }
+};
+
+class FindTransitVisitor : public RecursiveASTVisitor<FindTransitVisitor>
+{
+ Model::Model &model;
+ const CXXRecordDecl *SrcState;
+ const Type *EventType;
+public:
+ explicit FindTransitVisitor(Model::Model &model, const CXXRecordDecl *SrcState, const Type *EventType)
+ : model(model), SrcState(SrcState), EventType(EventType) {}
+
+ bool VisitMemberExpr(MemberExpr *E) {
+ if (E->getMemberNameInfo().getAsString() != "transit")
+ return true;
+ if (E->hasExplicitTemplateArgs()) {
+ const Type *DstStateType = E->getExplicitTemplateArgs()[0].getArgument().getAsType().getTypePtr();
+ CXXRecordDecl *DstState = DstStateType->getAsCXXRecordDecl();
+ CXXRecordDecl *Event = EventType->getAsCXXRecordDecl();
+ Model::Transition *T = new Model::Transition(SrcState->getName(), DstState->getName(), Event->getName());
+ model.transitions.push_back(T);
}
+ return true;
+ }
+};
- /**
- * Traverse method declaration using classes with main class Stmt.
- */
- void method_decl(const Decl *decl)
- {
- string output, line, event;
- llvm::raw_string_ostream x(output);
-
- if(decl->hasBody())
- {
- decl->print(x);
- line = get_return(x.str());
- if(get_model(line)==5)
- {
- //std::cout<<"metodass"<<std::endl;
- const FunctionDecl *fDecl = dyn_cast<FunctionDecl>(decl);
- const ParmVarDecl *pvd = fDecl->getParamDecl(0);
- QualType qt = pvd->getOriginalType();
- event = qt.getAsString();
- if(event[event.length()-1]=='&') event = event.substr(0,event.length()-2);
- event = event.substr(event.rfind(" ")+1);
- line = dyn_cast<NamedDecl>(decl)->getQualifiedNameAsString();
- line = cut_namespaces(line.substr(0,line.rfind("::")));
- line.append(",");
- line.append(event);
- find_return_stmt(decl->getBody(),line);
- for(list<string>::iterator i = cReactions.begin();i!=cReactions.end();i++) // erase info about it from list of custom reactions
- {
- event = *i;
- if(line.compare(event)==0)
- {
- cReactions.erase(i);
- break;
- }
- }
- }
- }
+class Visitor : public RecursiveASTVisitor<Visitor>
+{
+ 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;
+
+public:
+ bool shouldVisitTemplateInstantiations() const { return true; }
+
+ explicit Visitor(ASTContext *Context, Model::Model &model, DiagnosticsEngine &Diags)
+ : ASTCtx(Context), model(model), Diags(Diags)
+ {
+ diag_found_statemachine =
+ Diags.getCustomDiagID(DiagnosticsEngine::Note, "Found statemachine '%0'");
+ diag_found_state =
+ Diags.getCustomDiagID(DiagnosticsEngine::Note, "Found state '%0'");
+ diag_unhandled_reaction_type =
+ Diags.getCustomDiagID(DiagnosticsEngine::Error, "Unhandled reaction type '%0'");
+ diag_unhandled_reaction_decl =
+ Diags.getCustomDiagID(DiagnosticsEngine::Error, "Unhandled reaction decl '%0'");
+ diag_unhandled_reaction_decl =
+ Diags.getCustomDiagID(DiagnosticsEngine::Error, "History is not yet supported");
+ 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)
+ {
+ 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));
+ ReactRes.first != ReactRes.second; ++ReactRes.first) {
+ if (CXXMethodDecl *React = dyn_cast<CXXMethodDecl>(*ReactRes.first)) {
+ if (React->getNumParams() >= 1) {
+ const ParmVarDecl *p = React->getParamDecl(0);
+ const Type *ParmType = p->getType().getTypePtr();
+ if (ParmType->isLValueReferenceType())
+ ParmType = dyn_cast<LValueReferenceType>(ParmType)->getPointeeType().getTypePtr();
+ if (ParmType == EventType)
+ FindTransitVisitor(model, SrcState, EventType).TraverseStmt(React->getBody());
+ } 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";
}
+ }
- void find_return_stmt(Stmt *statemt,string event) /** Traverse all statements in function for finding all return Statements.*/
+ void HandleReaction(const Type *T, const SourceLocation Loc, CXXRecordDecl *SrcState)
+ {
+ // TODO: Improve Loc tracking
+ if (const ElaboratedType *ET = dyn_cast<ElaboratedType>(T))
+ HandleReaction(ET->getNamedType().getTypePtr(), Loc, SrcState);
+ else if (const TemplateSpecializationType *TST = dyn_cast<TemplateSpecializationType>(T)) {
+ string name = TST->getTemplateName().getAsTemplateDecl()->getQualifiedNameAsString();
+ if (name == "boost::statechart::transition") {
+ const Type *EventType = TST->getArg(0).getAsType().getTypePtr();
+ const Type *DstStateType = TST->getArg(1).getAsType().getTypePtr();
+ CXXRecordDecl *Event = EventType->getAsCXXRecordDecl();
+ CXXRecordDecl *DstState = DstStateType->getAsCXXRecordDecl();
+
+ 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);
+ } else if (name == "boost::statechart::deferral") {
+ const Type *EventType = TST->getArg(0).getAsType().getTypePtr();
+ CXXRecordDecl *Event = EventType->getAsCXXRecordDecl();
+
+ Model::State *s = model.findState(SrcState->getName());
+ assert(s);
+ s->addDeferredEvent(Event->getName());
+ } 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
+ Diag(Loc, diag_unhandled_reaction_type) << name;
+ } else
+ Diag(Loc, diag_unhandled_reaction_type) << T->getTypeClassName();
+ }
+
+ void HandleReaction(const NamedDecl *Decl, CXXRecordDecl *SrcState)
+ {
+ if (const TypedefDecl *r = dyn_cast<TypedefDecl>(Decl))
+ HandleReaction(r->getCanonicalDecl()->getUnderlyingType().getTypePtr(),
+ r->getLocStart(), SrcState);
+ else
+ Diag(Decl->getLocation(), diag_unhandled_reaction_decl) << Decl->getDeclKindName();
+ }
+
+ CXXRecordDecl *getTemplateArgDecl(const Type *T, unsigned ArgNum, const SourceLocation Loc)
+ {
+ if (const ElaboratedType *ET = dyn_cast<ElaboratedType>(T))
+ return getTemplateArgDecl(ET->getNamedType().getTypePtr(), ArgNum, Loc);
+ else if (const TemplateSpecializationType *TST = dyn_cast<TemplateSpecializationType>(T)) {
+ if (TST->getNumArgs() >= ArgNum+1)
+ return TST->getArg(ArgNum).getAsType()->getAsCXXRecordDecl();
+ } else
+ Diag(Loc, diag_warning) << T->getTypeClassName() << "type as template argument is not supported";
+ return 0;
+ }
+
+ CXXRecordDecl *getTemplateArgDeclOfBase(const CXXBaseSpecifier *Base, unsigned ArgNum) {
+ return getTemplateArgDecl(Base->getType().getTypePtr(), 1,
+ Base->getTypeSourceInfo()->getTypeLoc().getLocStart());
+ }
+
+ bool VisitCXXRecordDecl(CXXRecordDecl *Declaration)
+ {
+ if (!Declaration->isCompleteDefinition())
+ return true;
+ if (Declaration->getQualifiedNameAsString() == "boost::statechart::state")
+ return true; // This is an "abstract class" not a real state
+
+ MyCXXRecordDecl *RecordDecl = static_cast<MyCXXRecordDecl*>(Declaration);
+ const CXXBaseSpecifier *Base;
+
+ if (RecordDecl->isDerivedFrom("boost::statechart::simple_state", &Base))
{
- if(statemt->getStmtClass() == 99) test_stmt(dyn_cast<CaseStmt>(statemt)->getSubStmt(), event);
+ string name(RecordDecl->getName()); //getQualifiedNameAsString());
+ Diag(RecordDecl->getLocStart(), diag_found_state) << name;
+
+ Model::State *state;
+ // Either we saw a reference to forward declared state
+ // before, or we create a new state.
+ if (!(state = model.removeFromUndefinedContexts(name)))
+ state = new Model::State(name);
+
+ CXXRecordDecl *Context = getTemplateArgDeclOfBase(Base, 1);
+ Model::Context *c = model.findContext(Context->getName());
+ if (!c) {
+ Model::State *s = new Model::State(Context->getName());
+ model.addUndefinedState(s);
+ c = s;
+ }
+ c->add(state);
+
+ if (MyCXXRecordDecl *InnerInitialState =
+ static_cast<MyCXXRecordDecl*>(getTemplateArgDeclOfBase(Base, 2))) {
+ if (InnerInitialState->isDerivedFrom("boost::statechart::simple_state") ||
+ InnerInitialState->isDerivedFrom("boost::statechart::state_machine"))
+ state->setInitialInnerState(InnerInitialState->getName());
else
- {
- for (Stmt::child_range range = statemt->children(); range; ++range)
- {
- test_stmt(*range, event);
- }
- }
+ Diag(Base->getTypeSourceInfo()->getTypeLoc().getLocStart(), diag_warning)
+ << InnerInitialState->getQualifiedNameAsString() << " as inner initial state is not supported";
+ }
+
+// if (CXXRecordDecl *History = getTemplateArgDecl(Base->getType().getTypePtr(), 3))
+// Diag(History->getLocStart(), diag_no_history);
+
+ IdentifierInfo& II = ASTCtx->Idents.get("reactions");
+ // TODO: Lookup for reactions even in base classes - probably by using Sema::LookupQualifiedName()
+ for (DeclContext::lookup_result Reactions = RecordDecl->lookup(DeclarationName(&II));
+ Reactions.first != Reactions.second; ++Reactions.first)
+ HandleReaction(*Reactions.first, RecordDecl);
}
+ else if (RecordDecl->isDerivedFrom("boost::statechart::state_machine", &Base))
+ {
+ Model::Machine m(RecordDecl->getName());
+ Diag(RecordDecl->getLocStart(), diag_found_statemachine) << m.name;
- void test_stmt(Stmt *stmt, string event) /** test statement for its kind Using number as identifier for all Statement Classes.*/
+ if (MyCXXRecordDecl *InitialState =
+ static_cast<MyCXXRecordDecl*>(getTemplateArgDeclOfBase(Base, 1)))
+ m.setInitialState(InitialState->getName());
+ model.add(m);
+ }
+ else if (RecordDecl->isDerivedFrom("boost::statechart::event"))
{
- const SourceManager &sman = fsloc->getManager();
- int type;
- string line, param;
- type = stmt->getStmtClass();
- switch(type)
- {
- case 8 : find_return_stmt(dyn_cast<DoStmt>(stmt)->getBody(), event); // do
- break;
- case 86 : find_return_stmt(dyn_cast<ForStmt>(stmt)->getBody(), event); // for
- break;
- case 88 : find_return_stmt(dyn_cast<IfStmt>(stmt)->getThen(), event); //if then
- find_return_stmt(dyn_cast<IfStmt>(stmt)->getElse(), event); //if else
- break;
- case 90 : find_return_stmt(dyn_cast<LabelStmt>(stmt)->getSubStmt(), event); //label
- break;
- case 98 : line = sman.getCharacterData(dyn_cast<ReturnStmt>(stmt)->getReturnLoc());
- line = get_line_of_code(line).substr(6);
- line = line.substr(0,line.find("("));
- if(get_model(line)==6)
- {
- param = get_params(line);
- transitions.push_back(event.append(",").append(param));
- }
- if(get_model(line) == 7)
- {
- param = ",";
- transitions.push_back(param.append(event));
- }
- break;
- case 99 : find_return_stmt(stmt, event);
- break;
- case 101 : find_return_stmt(dyn_cast<SwitchStmt>(stmt)->getBody(), event); // switch
- break;
- case 102 : find_return_stmt(dyn_cast<WhileStmt>(stmt)->getBody(), event); // while
- break;
- }
+ //sc.events.push_back(RecordDecl->getNameAsString());
}
+ return true;
+ }
+};
- virtual void HandleTranslationUnit(clang::ASTContext &Context) {
- IO_operations io(dest, getStateMachine(), getNameOfFirstState(), getTransitions(), getStates(), getEvents());
- io.save_to_file();
- io.print_stats();
- }
+
+class VisualizeStatechartConsumer : public clang::ASTConsumer
+{
+ Model::Model model;
+ Visitor visitor;
+ string destFileName;
+public:
+ explicit VisualizeStatechartConsumer(ASTContext *Context, std::string destFileName,
+ DiagnosticsEngine &D)
+ : visitor(Context, model, D), destFileName(destFileName) {}
+
+ virtual void HandleTranslationUnit(clang::ASTContext &Context) {
+ visitor.TraverseDecl(Context.getTranslationUnitDecl());
+ model.write_as_dot_file(destFileName);
+ }
};
-class VisualizeStatechartAction : public PluginASTAction {
+class VisualizeStatechartAction : public PluginASTAction
+{
protected:
ASTConsumer *CreateASTConsumer(CompilerInstance &CI, llvm::StringRef) {
size_t dot = getCurrentFile().find_last_of('.');
std::string dest = getCurrentFile().substr(0, dot);
dest.append(".dot");
- return new FindStates(dest);
+ return new VisualizeStatechartConsumer(&CI.getASTContext(), dest, CI.getDiagnostics());
}
bool ParseArgs(const CompilerInstance &CI,
};
static FrontendPluginRegistry::Add<VisualizeStatechartAction> X("visualize-statechart", "visualize statechart");
+
+// Local Variables:
+// c-basic-offset: 4
+// End:
projects / boost-statechart-viewer.git / blobdiff