+/** @file */
+////////////////////////////////////////////////////////////////////////////////////////
+//
+// This file is part of Boost Statechart Viewer.
+//
+// Boost Statechart Viewer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Boost Statechart Viewer is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Boost Statechart Viewer. If not, see <http://www.gnu.org/licenses/>.
+//
+////////////////////////////////////////////////////////////////////////////////////////
+
//standard header files
#include <iostream>
-#include <string>
-#include <fstream>
-#include <list>
//LLVM Header files
#include "llvm/Support/raw_ostream.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/Frontend/CompilerInstance.h"
+#include "llvm/Support/raw_ostream.h"
+
//my own header files
-#include "stringoper.h"
+#include "iooper.h"
using namespace clang;
using namespace clang::driver;
using namespace std;
-class MyDiagnosticClient : public TextDiagnosticPrinter // My diagnostic Client
+/**
+ * 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
{
+ int nwarnings; /** Save number of Warnings occured during diagnostic */
+ int nnotes;
+ int nignored;
+ int nerrors;
public:
- MyDiagnosticClient(llvm::raw_ostream &os, const DiagnosticOptions &diags, bool OwnsOutputStream = false):TextDiagnosticPrinter(os, diags, OwnsOutputStream = false){}
- virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, const DiagnosticInfo &Info)
+ /**
+ * 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;
+ }
+
+ int getNbrOfNotes() /** Return number of notes */
+ {
+ return nnotes;
+ }
+
+ int getNbrOfIgnored() /** Return number of ignored */
{
- TextDiagnosticPrinter::HandleDiagnostic(DiagLevel, Info); // print diagnostic information
- if(DiagLevel > 2) // if error/fatal error stop the program
- {
- exit(1);
- }
+ return nignored;
}
};
+/**
+ * My ASTConsumer provides interface for traversing AST. It uses recursive traversing in namespaces.
+ */
class FindStates : public ASTConsumer
{
- list<string> transitions;
-
- list<string> cReactions;
+ 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;
- StringDecl sd;
- int nbrStates;
+ string dest;
+ FullSourceLoc *fsloc; /** Full Source Location instance for holding Source Manager. */
public:
- list<string> states;
+
+ FindStates(string dest) : dest(dest) {}
+
+ list<string> getStates() /** Return list of states of the state machine. */
+ {
+ return states;
+ }
+
+ list<string> getTransitions() /** Return list of transitions. */
+ {
+ return transitions;
+ }
+
+ list<string> getEvents() /** Return list of events. */
+ {
+ return events;
+ }
+
+ string getStateMachine() /** Return name of the state machine. */
+ {
+ return name_of_machine;
+ }
+
+ string getNameOfFirstState() /** Return name of start state. */
+ {
+ return name_of_start;
+ }
- virtual void Initialize(ASTContext &ctx)//run after the AST is constructed before the consumer starts to work
+ virtual void Initialize(ASTContext &ctx)/** Run after the AST is constructed before the consumer starts to work. So this function works like constructor. */
{
+ fsloc = new FullSourceLoc(* new SourceLocation(), ctx.getSourceManager());
name_of_start = "";
name_of_machine = "";
- nbrStates = 0;
}
- virtual void HandleTopLevelDecl(DeclGroupRef DGR)// traverse all top level declarations
+/**
+* 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)
{
SourceLocation loc;
- std::string line, output;
+ string line, output, event;
llvm::raw_string_ostream x(output);
for (DeclGroupRef::iterator i = DGR.begin(), e = DGR.end(); i != e; ++i)
{
loc = decl->getLocation();
if(loc.isValid())
{
- //cout<<decl->getKind()<<"ss\n";
- if(const CXXMethodDecl *cMDecl = dyn_cast<CXXMethodDecl>(decl))
- {
- //decl->dump();
+ if(decl->getKind()==35)
+ {
+ method_decl(decl);
}
if (const TagDecl *tagDecl = dyn_cast<TagDecl>(decl))
{
{
DeclContext *declCont = namespaceDecl->castToDeclContext(namespaceDecl);
- //cout<<namedDecl->getNameAsString()<<" sss\n";
recursive_visit(declCont);
}
}
+ output = "";
}
+ return true;
}
- void recursive_visit(const DeclContext *declCont) //recursively visit all decls hidden inside namespaces
+
+/**
+* It is used to recursive traverse decls in Namespaces. This method do the same as HandleTopLevelDecl.
+*/
+ void recursive_visit(const DeclContext *declCont)
{
- std::string line, output;
+ 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;
- //std::cout<<"a "<<decl->getDeclKindName()<<"\n";
loc = decl->getLocation();
if(loc.isValid())
{
- if(const CXXMethodDecl *cMDecl = dyn_cast<CXXMethodDecl>(decl))
+ if(decl->getKind()==35)
{
- /*TODO
- get Base class, test name and chcek if it is a state
-
- */
+ method_decl(decl);
}
else if (const TagDecl *tagDecl = dyn_cast<TagDecl>(decl))
{
}
else if(const NamespaceDecl *namespaceDecl = dyn_cast<NamespaceDecl>(decl))
{
- DeclContext *declCont = namespaceDecl->castToDeclContext(namespaceDecl);
- //cout<<namedDecl->getNameAsString()<<" sss\n";
+ DeclContext *declCont = namespaceDecl->castToDeclContext(namespaceDecl);
recursive_visit(declCont);
}
}
+ output = "";
}
}
- void struct_class(const Decl *decl) // works with struct or class decl
+/**
+* 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)
{
- string output, line, ret, trans;
+ string output, line, ret, trans, event;
llvm::raw_string_ostream x(output);
decl->print(x);
- line = sd.get_line_of_code(x.str());
+ line = get_line_of_code(x.str());
+
output = "";
- int pos, num;
- const TagDecl *tagDecl = dyn_cast<TagDecl>(decl);
- const NamedDecl *namedDecl = dyn_cast<NamedDecl>(decl);
- if(sd.is_derived(line))
+ int pos;
+ const NamedDecl *namedDecl = dyn_cast<NamedDecl>(decl);
+ if(is_derived(line))
{
const CXXRecordDecl *cRecDecl = dyn_cast<CXXRecordDecl>(decl);
- if(sd.find_events(cRecDecl, line))
+ if(find_events(cRecDecl, line))
{
events.push_back(namedDecl->getNameAsString());
- cout<<"New event: "<<namedDecl->getNameAsString()<<"\n";
}
else if(name_of_machine == "")
{
- ret = sd.find_name_of_machine(cRecDecl, line);
+ 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);
- cout<<"Name of the state machine: "<<name_of_machine<<"\n";
- cout<<"Name of the first state: "<<name_of_start<<"\n";
}
}
else
{
- ret = sd.find_states(cRecDecl, line);
+ ret = find_states(cRecDecl, line);
if(!ret.empty())
- {
- const DeclContext *declCont = tagDecl->castToDeclContext(tagDecl);
- //states.push_back(namedDecl->getNameAsString());
- std::cout << "New state: " << namedDecl->getNameAsString() << "\n";
- states.push_back(ret);
- ret = sd.find_transitions(namedDecl->getNameAsString(), declCont);
- if(!ret.empty())
- {
- num = sd.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));
- }
- //cout<<ret<<"\n";
- if(i!=num-1) ret = ret.substr(pos+1);
- }
- }
+ {
+ states.push_back(ret);
+ methods_in_class(decl,namedDecl->getNameAsString());
}
}
}
}
-
- void save_to_file(std::string output) // save all to the output file
+
+/**
+* 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)
{
- nbrStates = states.size();
- std::string state, str, context, ctx;
- int pos1, pos2, cnt, subs;
- std::ofstream filestr(output.c_str());
- //std::cout<<output<<"\n";
- filestr<<"digraph "<< name_of_machine<< " {\n";
- context = name_of_machine;
- for(list<std::string>::iterator i = states.begin();i!=states.end();i++) // write all states in the context of the automaton
+ 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)
{
- state = *i;
- cnt = sd.count(state,',');
- if(cnt==1)
+ if (i->getKind()==26) // typedefs
{
- pos1 = state.find(",");
- ctx = sd.cut_namespaces(state.substr(pos1+1));
- //std::cout<<name_of_machine.length();
- if(ctx.compare(0,context.length(),context)==0)
+ i->print(x);
+ output = x.str();
+ line = clean_spaces(cut_type(output));
+ ret = find_transitions(state,line);
+ if(!ret.empty())
{
- filestr<<sd.cut_namespaces(state.substr(0,pos1))<<";\n";
- states.erase(i);
- i--;
- }
- }
- if(cnt==2)
- {
- pos1 = state.find(",");
- pos2 = state.rfind(",");
- ctx = sd.cut_namespaces(state.substr(pos1+1,pos2-pos1-1));
- //std::cout<<ctx<<" "<<context<<"\n";
- if(ctx.compare(0,context.length(),context)==0)
- {
- filestr<<sd.cut_namespaces(state.substr(0,pos1))<<";\n";
+ 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
}
- filestr<<name_of_start<<" [peripheries=2] ;\n";
- subs = 0;
- while(!states.empty()) // substates ?
+
+ }
+
+ /**
+ * 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())
{
- state = states.front();
- filestr<<"subgraph cluster"<<subs<<" {\n";
- pos1 = state.find(",");
- pos2 = state.rfind(",");
- context = sd.cut_namespaces(state.substr(0,pos1));
- filestr<<"label=\""<<context<<"\";\n";
- filestr<<sd.cut_namespaces(state.substr(pos2+1))<<" [peripheries=2] ;\n";
- states.pop_front();
- //std::cout<<states.size();
- for(list<string>::iterator i = states.begin();i!=states.end();i++)
+ decl->print(x);
+ line = get_return(x.str());
+ if(get_model(line)==5)
{
- state = *i;
- cnt = sd.count(state,',');
- //std::cout<<state<<" \n";
- if(cnt==1)
+ //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
{
- pos1 = state.find(",");
- ctx = sd.cut_namespaces(state.substr(pos1+1));
-
- //std::cout<<ctx<<" "<<context<<"\n";
- if(ctx.compare(0,context.length(),context)==0)
+ event = *i;
+ if(line.compare(event)==0)
{
- filestr<<sd.cut_namespaces(state.substr(0,pos1))<<";\n";
- states.erase(i);
- i--;
- }
- }
- if(cnt==2)
- {
- pos1 = state.find(",");
- pos2 = state.rfind(",");
- ctx = sd.cut_namespaces(state.substr(pos1+1,pos2-pos1-1));
- if(ctx.compare(0,context.length(),context)==0)
- {
- filestr<<sd.cut_namespaces(state.substr(0,pos1))<<";\n";
- //std::cout<<ctx<<"\n";
+ cReactions.erase(i);
+ break;
}
}
}
- filestr<<"}\n";
- subs+=1;
- }
- for(list<string>::iterator i = transitions.begin();i!=transitions.end();i++) // write all transitions
- {
- state = *i;
- pos1 = state.find(",");
- filestr<<sd.cut_namespaces(state.substr(0,pos1))<<"->";
- pos2 = state.rfind(",");
- filestr<<sd.cut_namespaces(state.substr(pos2+1));
- filestr<<"[label=\""<<sd.cut_namespaces(state.substr(pos1+1,pos2-pos1-1))<<"\"];\n";
- }
- filestr<<"}";
- filestr.close();
- }
- void print_stats() // print statistics
- {
- cout<<"\n"<<"Statistics: \n";
- cout<<"Number of states: "<<nbrStates<<"\n";
- cout<<"Number of events: "<<events.size()<<"\n";
- cout<<"Number of transitions: "<<transitions.size()<<"\n";
- return;
+ }
}
-};
-
-int main(int argc, char **argv)
-{
- string inputFilename = "";
- string outputFilename = "graph.dot"; // initialize output Filename
- MyDiagnosticClient *mdc = new MyDiagnosticClient(llvm::errs(), * new DiagnosticOptions());
- llvm::IntrusiveRefCntPtr<DiagnosticIDs> dis(new DiagnosticIDs());
- Diagnostic diag(dis,mdc);
- FileManager fm( * new FileSystemOptions());
- SourceManager sm (diag, fm);
- HeaderSearch *headers = new HeaderSearch(fm);
-
- Driver TheDriver(LLVM_PREFIX "/bin", llvm::sys::getHostTriple(), "", false, false, diag);
- TheDriver.setCheckInputsExist(true);
- TheDriver.CCCIsCXX = 1;
- CompilerInvocation compInv;
- llvm::SmallVector<const char *, 16> Args(argv, argv + argc);
- llvm::OwningPtr<Compilation> C(TheDriver.BuildCompilation(Args.size(),
- Args.data()));
- const driver::JobList &Jobs = C->getJobs();
- const driver::Command *Cmd = cast<driver::Command>(*Jobs.begin());
- const driver::ArgStringList &CCArgs = Cmd->getArguments();
- for(unsigned i = 0; i<Args.size();i++) // find -o in ArgStringList
- {
- if(strncmp(Args[i],"-o",2)==0)
+ void find_return_stmt(Stmt *statemt,string event) /** Traverse all statements in function for finding all return Statements.*/
+ {
+ if(statemt->getStmtClass() == 99) test_stmt(dyn_cast<CaseStmt>(statemt)->getSubStmt(), event);
+ else
{
- if(strlen(Args[i])>2)
+ for (Stmt::child_range range = statemt->children(); range; ++range)
{
- string str = Args[i];
- outputFilename = str.substr(2);
+ test_stmt(*range, event);
}
- else outputFilename = Args[i+1];
- break;
}
}
-
- CompilerInvocation::CreateFromArgs(compInv,
- const_cast<const char **>(CCArgs.data()),
- const_cast<const char **>(CCArgs.data())+CCArgs.size(),
- diag);
+
+ void test_stmt(Stmt *stmt, string event) /** test statement for its kind Using number as identifier for all Statement Classes.*/
+ {
+ 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;
+ }
+ }
+
+ virtual void HandleTranslationUnit(clang::ASTContext &Context) {
+ IO_operations io(dest, getStateMachine(), getNameOfFirstState(), getTransitions(), getStates(), getEvents());
+ io.save_to_file();
+ io.print_stats();
+ }
+};
- HeaderSearchOptions hsopts = compInv.getHeaderSearchOpts();
- hsopts.ResourceDir = LLVM_PREFIX "/lib/clang/" CLANG_VERSION_STRING;
- LangOptions lang = compInv.getLangOpts();
- CompilerInvocation::setLangDefaults(lang, IK_ObjCXX);
- TargetInfo *ti = TargetInfo::CreateTargetInfo(diag, compInv.getTargetOpts());
- ApplyHeaderSearchOptions(*headers, hsopts, lang, ti->getTriple());
- FrontendOptions f = compInv.getFrontendOpts();
- inputFilename = f.Inputs[0].second;
+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);
+ }
- cout<<"Input filename: "<<inputFilename<<"\n"; // print Input filename
- cout<<"Output filename: "<<outputFilename<<"\n"; // print Output filename
+ bool ParseArgs(const CompilerInstance &CI,
+ const std::vector<std::string>& args) {
+ for (unsigned i = 0, e = args.size(); i != e; ++i) {
+ llvm::errs() << "Visualizer arg = " << args[i] << "\n";
+ // Example error handling.
+ if (args[i] == "-an-error") {
+ DiagnosticsEngine &D = CI.getDiagnostics();
+ unsigned DiagID = D.getCustomDiagID(
+ DiagnosticsEngine::Error, "invalid argument '" + args[i] + "'");
+ D.Report(DiagID);
+ return false;
+ }
+ }
+ if (args.size() && args[0] == "help")
+ PrintHelp(llvm::errs());
- Preprocessor pp(diag, lang, *ti, sm, *headers);
- pp.getBuiltinInfo().InitializeBuiltins(pp.getIdentifierTable(), lang);
-
- InitializePreprocessor(pp, compInv.getPreprocessorOpts(),hsopts,f);
-
- const FileEntry *file = fm.getFile(inputFilename);
- sm.createMainFileID(file);
- IdentifierTable tab(lang);
- Builtin::Context builtins(*ti);
- FindStates c;
- ASTContext ctx(lang, sm, *ti, tab, * new SelectorTable(), builtins,0);
- mdc->BeginSourceFile(lang, &pp);//start using diagnostic
- ParseAST(pp, &c, ctx, false, false);
- mdc->EndSourceFile(); //end using diagnostic
- if(c.states.size()>0) c.save_to_file(outputFilename);
- else cout<<"No state machine was found\n";
- c.print_stats();
- return 0;
-}
+ return true;
+ }
+ void PrintHelp(llvm::raw_ostream& ros) {
+ ros << "Help for Visualize Statechart plugin goes here\n";
+ }
+
+};
+
+static FrontendPluginRegistry::Add<VisualizeStatechartAction> X("visualize-statechart", "visualize statechart");
projects / boost-statechart-viewer.git / blobdiff