////////////////////////////////////////////////////////////////////////////////////////
//standard header files
-#include <iostream>
+#include <fstream>
//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/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
+class Statechart
{
- 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;
- }
-
- int getNbrOfNotes() /** Return number of notes */
- {
- return nnotes;
- }
-
- int getNbrOfIgnored() /** Return number of ignored */
- {
- return nignored;
- }
+public:
+ class Transition
+ {
+ public:
+ string src, dst, event;
+ Transition(string src, string dst, string event) : src(src), dst(dst), event(event) {}
+ };
+ string name;
+ string name_of_start;
+ list<Transition> transitions;
+ list<string> cReactions; /** list of custom reactions. After all files are traversed this list should be empty. */
+ list<string> events;
+ list<string> states;
+
+ void write_dot_file(string fn)
+ {
+ ofstream f(fn.c_str());
+ f << "digraph " << name << " {\n";
+ for (string& s : states) {
+ f << " " << s << "\n";
+ }
+
+ for (Transition &t : transitions) {
+ f << t.src << " -> " << t.dst << " [label = \"" << t.event << "\"]\n";
+ }
+
+ f << "}";
+ }
};
-/**
- * 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;
- }
- list<string> getTransitions() /** Return list of transitions. */
- {
- return transitions;
- }
+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;
+ }
- list<string> getEvents() /** Return list of events. */
- {
- return events;
- }
+public:
+ bool isDerivedFrom(const char *baseStr) const {
+ CXXBasePaths Paths(/*FindAmbiguities=*/false, /*RecordPaths=*/false, /*DetectVirtual=*/false);
+ Paths.setOrigin(const_cast<MyCXXRecordDecl*>(this));
+ return lookupInBases(&FindBaseClassString, const_cast<char*>(baseStr), Paths);
+ }
+};
- string getStateMachine() /** Return name of the state machine. */
- {
- return name_of_machine;
- }
- string getNameOfFirstState() /** Return name of start state. */
- {
- return name_of_start;
+class Visitor : public RecursiveASTVisitor<Visitor>
+{
+ ASTContext *Context;
+ Statechart ≻
+public:
+ bool shouldVisitTemplateInstantiations() const { return true; }
+
+ explicit Visitor(ASTContext *Context, Statechart &sc)
+ : Context(Context), sc(sc) {}
+
+ void HandleReaction(const Type *T, CXXRecordDecl *SrcState)
+ {
+ if (const ElaboratedType *ET = dyn_cast<ElaboratedType>(T))
+ HandleReaction(ET->getNamedType().getTypePtr(), 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();
+
+ sc.transitions.push_back(Statechart::Transition(SrcState->getName(), DstState->getName(),
+ Event->getName()));
+ //llvm::errs() << EventRec->getName() << << "\n";
+ } else if (name == "boost::mpl::list") {
+ for (TemplateSpecializationType::iterator Arg = TST->begin(), End = TST->end(); Arg != End; ++Arg)
+ HandleReaction(Arg->getAsType().getTypePtr(), SrcState);
+ }
+ //->getDecl()->getQualifiedNameAsString();
+ } else {
+ llvm::errs() << "Unhandled reaction Type: " << T->getTypeClassName() << "\n";
+ assert(0);
}
+ }
- 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 = "";
+ void HandleReaction(const NamedDecl *Decl, CXXRecordDecl *SrcState)
+ {
+ if (const TypedefDecl *r = dyn_cast<TypedefDecl>(Decl))
+ HandleReaction(r->getCanonicalDecl()->getUnderlyingType().getTypePtr(), SrcState);
+ else {
+ llvm::errs() << "Unhandled reaction Decl: " << Decl->getDeclKindName() << "\n";
+ assert(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)
- {
- 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(dyn_cast<FunctionDecl>(decl))
- {
- 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;
- }
-/**
-* It is used to recursive traverse decls in Namespaces. This method do the same as HandleTopLevelDecl.
-*/
- void recursive_visit(const DeclContext *declCont)
- {
- 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(dyn_cast<FunctionDecl>(decl))
- {
- 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 = "";
- }
- }
+ bool VisitCXXRecordDecl(CXXRecordDecl *Declaration)
+ {
+ if (!Declaration->isCompleteDefinition())
+ return true;
-/**
-* 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, 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());
- }
- }
- }
- }
+ MyCXXRecordDecl *StateDecl = static_cast<MyCXXRecordDecl*>(Declaration);
-/**
-* 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)
+ if (StateDecl->isDerivedFrom("boost::statechart::simple_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 (dyn_cast<FunctionDecl>(*i)) method_decl(*i);// C++ method
- }
+ string state(StateDecl->getName()); //getQualifiedNameAsString());
+ llvm::errs() << "Found state " << state << "\n";
+ sc.states.push_back(state);
+ IdentifierInfo& II = Context->Idents.get("reactions");
+ for (DeclContext::lookup_result Reactions = StateDecl->lookup(DeclarationName(&II));
+ Reactions.first != Reactions.second; ++Reactions.first)
+ HandleReaction(*Reactions.first, StateDecl);
}
-
- /**
- * Traverse method declaration using classes with main class Stmt.
- */
- void method_decl(const Decl *decl)
+ else if (StateDecl->isDerivedFrom("boost::statechart::state_machine"))
{
- const FunctionDecl *fDecl = dyn_cast<FunctionDecl>(decl);
- string output, line, event;
- llvm::raw_string_ostream x(output);
-
- if(fDecl->hasBody() && fDecl->getNumParams() > 0)
- {
- decl->print(x);
- line = get_return(x.str());
- if(get_model(line)==5)
- {
- //std::cout<<"metodass"<<std::endl;
- 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;
- }
- }
- }
- }
+ sc.name = StateDecl->getQualifiedNameAsString();
+ sc.name_of_start = "tmp"; //StateDecl->getStateMachineInitialStateAsString()
+ llvm::errs() << "Found state_machine " << sc.name << "\n";
}
-
- void find_return_stmt(Stmt *statemt,string event) /** Traverse all statements in function for finding all return Statements.*/
+ else if (StateDecl->isDerivedFrom("boost::statechart::event"))
{
- if(statemt->getStmtClass() == 99) test_stmt(dyn_cast<CaseStmt>(statemt)->getSubStmt(), event);
- else
- {
- for (Stmt::child_range range = statemt->children(); range; ++range)
- {
- test_stmt(*range, event);
- }
- }
+ sc.events.push_back(StateDecl->getNameAsString());
}
+ return true;
+ }
+};
- 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();
- }
+class VisualizeStatechartConsumer : public clang::ASTConsumer
+{
+ Statechart statechart;
+ Visitor visitor;
+ string destFileName;
+public:
+ explicit VisualizeStatechartConsumer(ASTContext *Context, std::string destFileName)
+ : visitor(Context, statechart), destFileName(destFileName) {}
+
+ virtual void HandleTranslationUnit(clang::ASTContext &Context) {
+ visitor.TraverseDecl(Context.getTranslationUnitDecl());
+ statechart.write_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);
}
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