//standard header files
#include <iostream>
-#include <string>
-#include <fstream>
-#include <list>
//LLVM Header files
#include "llvm/Support/raw_ostream.h"
#include "clang/Driver/Compilation.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
+class MyDiagnosticClient : public TextDiagnosticPrinter // Diagnostic Client
{
+ int nwarnings;
+ int nnotes;
+ int nignored;
+ int nerrors;
public:
- MyDiagnosticClient(llvm::raw_ostream &os, const DiagnosticOptions &diags, bool OwnsOutputStream = false):TextDiagnosticPrinter(os, diags, OwnsOutputStream = false){}
+ MyDiagnosticClient(llvm::raw_ostream &os, const DiagnosticOptions &diags, bool OwnsOutputStream = false):TextDiagnosticPrinter(os, diags, OwnsOutputStream = false)
+ {
+ nwarnings=0;
+ nnotes=0;
+ nignored=0;
+ nerrors = 0;
+ }
virtual void HandleDiagnostic(Diagnostic::Level DiagLevel, const DiagnosticInfo &Info)
{
- TextDiagnosticPrinter::HandleDiagnostic(DiagLevel, Info); // print diagnostic information
- if(DiagLevel > 2) // if error/fatal error stop the program
- {
- exit(1);
- }
+ 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);
+ }
+ }
+
+ void print_stats() // print statistics about diagnostic
+ {
+ 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() // get number of warnings
+ {
+ return nwarnings;
+ }
+
+ int getNbrOfNotes() // get number of notes
+ {
+ return nnotes;
+ }
+
+ int getNbrOfIgnored() // get number of ignored
+ {
+ return nignored;
}
};
-class FindStates : public ASTConsumer
+class FindStates : public ASTConsumer // AST Consumer interface for traversing AST
{
+ // lists for saving information about state machine
list<string> transitions;
list<string> cReactions;
list<string> events;
+ list<string> states;
string name_of_machine;
string name_of_start;
- int nbrStates;
FullSourceLoc *fsloc;
public:
- list<string> states;
+
+ list<string> getStates()
+ {
+ return states;
+ }
+
+ list<string> getTransitions()
+ {
+ return transitions;
+ }
+
+ list<string> getEvents()
+ {
+ return events;
+ }
+
+ string getStateMachine()
+ {
+ return name_of_machine;
+ }
+
+ string getNameOfFirstState()
+ {
+ return name_of_start;
+ }
virtual void Initialize(ASTContext &ctx)//run after the AST is constructed before the consumer starts to work
{
fsloc = new FullSourceLoc(* new SourceLocation(), ctx.getSourceManager());
name_of_start = "";
name_of_machine = "";
- nbrStates = 0;
}
+/*
+ Traverse global decls using DeclGroupRef for handling all global decls.
+*/
virtual void HandleTopLevelDecl(DeclGroupRef DGR)// traverse all top level declarations
{
SourceLocation loc;
loc = decl->getLocation();
if(loc.isValid())
{
- //cout<<decl->getKind()<<"ss\n";
if(decl->getKind()==35)
{
method_decl(decl);
output = "";
}
}
+
+/*
+ It is used to recursive traverse decls in namespaces.
+*/
void recursive_visit(const DeclContext *declCont) //recursively visit all decls hidden inside namespaces
{
string line, output, event;
}
}
+/*
+ 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) // works with struct or class decl
{
string output, line, ret, trans, event;
line = get_line_of_code(x.str());
output = "";
int pos;
- const NamedDecl *namedDecl = dyn_cast<NamedDecl>(decl);
+ const NamedDecl *namedDecl = dyn_cast<NamedDecl>(decl);
if(is_derived(line))
{
const CXXRecordDecl *cRecDecl = dyn_cast<CXXRecordDecl>(decl);
}
else
{
- ret = find_states(cRecDecl, line);
+ ret = find_states(cRecDecl, line);
if(!ret.empty())
{
cout << "New state: " << namedDecl->getNameAsString() << "\n";
}
}
- void methods_in_class(const Decl *decl, const string state)
+/*
+ This function provides traversing all methods and other context indide class. If
+ typedef or classic method decl is found. Transitions inside it are beiing founded.
+*/
+ void methods_in_class(const Decl *decl, const string state) // traverse context inside one class
{
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);
- //states.push_back(namedDecl->getNameAsString());
-
+ const DeclContext *declCont = tagDecl->castToDeclContext(tagDecl);
output="";
for (DeclContext::decl_iterator i = declCont->decls_begin(), e = declCont->decls_end(); i != e; ++i)
{
- if (i->getKind()==26)
+ if (i->getKind()==26) // typedefs
{
i->print(x);
output = x.str();
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);
}
output="";
}
}
- if(i->getKind()==35) method_decl(decl);
+ if(i->getKind()==35) method_decl(decl);// C++ method
}
}
- void method_decl(const Decl *decl)
+ void method_decl(const Decl *decl) // method decl traverse. Using Stmt
{
string output, line, event;
llvm::raw_string_ostream x(output);
line.append(",");
line.append(event);
find_return_stmt(decl->getBody(),line);
- for(list<string>::iterator i = cReactions.begin();i!=cReactions.end();i++)
+ 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)
}
}
- void find_return_stmt(Stmt *statemt,string event)
+ void find_return_stmt(Stmt *statemt,string event) // traverse all statements in function for finding return Statement
{
if(statemt->getStmtClass() == 99) test_stmt(dyn_cast<CaseStmt>(statemt)->getSubStmt(), event);
else
}
}
- void test_stmt(Stmt *stmt, string event)
+ void test_stmt(Stmt *stmt, string event) // test statement
{
const SourceManager &sman = fsloc->getManager();
int type;
break;
case 102 : find_return_stmt(dyn_cast<WhileStmt>(stmt)->getBody(), event); // while
break;
- }
- }
-
- void save_to_file(string output) // save all to the output file
- {
- nbrStates = states.size();
- string state, str, context, ctx;
- int pos1, pos2, cnt, subs;
- ofstream filestr(output.c_str());
- //std::cout<<output<<"\n";
- filestr<<"digraph "<< name_of_machine<< " {\n";
- context = name_of_machine;
- for(list<string>::iterator i = states.begin();i!=states.end();i++) // write all states in the context of the automaton
- {
- state = *i;
- cnt = count(state,',');
- if(cnt==1)
- {
- pos1 = state.find(",");
- ctx = cut_namespaces(state.substr(pos1+1));
- //std::cout<<name_of_machine.length();
- if(ctx.compare(0,context.length(),context)==0)
- {
- filestr<<cut_namespaces(state.substr(0,pos1))<<";\n";
- states.erase(i);
- i--;
- }
- }
- if(cnt==2)
- {
- pos1 = state.find(",");
- pos2 = state.rfind(",");
- ctx = cut_namespaces(state.substr(pos1+1,pos2-pos1-1));
- //std::cout<<ctx<<" "<<context<<"\n";
- if(ctx.compare(0,context.length(),context)==0)
- {
- filestr<<cut_namespaces(state.substr(0,pos1))<<";\n";
- }
- }
}
- filestr<<name_of_start<<" [peripheries=2] ;\n";
- subs = 0;
- while(!states.empty()) // substates ?
- {
- state = states.front();
- filestr<<"subgraph cluster"<<subs<<" {\n";
- pos1 = state.find(",");
- pos2 = state.rfind(",");
- context = cut_namespaces(state.substr(0,pos1));
- filestr<<"label=\""<<context<<"\";\n";
- filestr<<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++)
- {
- state = *i;
- cnt = count(state,',');
- //std::cout<<state<<" \n";
- if(cnt==1)
- {
- pos1 = state.find(",");
- ctx = cut_namespaces(state.substr(pos1+1));
- if(ctx.compare(0,context.length(),context)==0)
- {
- filestr<<cut_namespaces(state.substr(0,pos1))<<";\n";
- states.erase(i);
- i--;
- }
- }
- if(cnt==2)
- {
- pos1 = state.find(",");
- pos2 = state.rfind(",");
- ctx = cut_namespaces(state.substr(pos1+1,pos2-pos1-1));
- if(ctx.compare(0,context.length(),context)==0) filestr<<cut_namespaces(state.substr(0,pos1))<<";\n";
- }
- }
- filestr<<"}\n";
- subs+=1;
- }
- for(list<string>::iterator i = transitions.begin();i!=transitions.end();i++) // write all transitions
- {
- state = *i;
- pos1 = state.find(",");
- filestr<<cut_namespaces(state.substr(0,pos1))<<"->";
- pos2 = state.rfind(",");
- filestr<<cut_namespaces(state.substr(pos2+1));
- filestr<<"[label=\""<<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;
}
};
{
string inputFilename = "";
string outputFilename = "graph.dot"; // initialize output Filename
- MyDiagnosticClient *mdc = new MyDiagnosticClient(llvm::errs(), * new DiagnosticOptions());
+ DiagnosticOptions dopts;
+ dopts.ShowColors=1;
+ MyDiagnosticClient *mdc = new MyDiagnosticClient(llvm::errs(), dopts);
llvm::IntrusiveRefCntPtr<DiagnosticIDs> dis(new DiagnosticIDs());
Diagnostic diag(dis,mdc);
FileManager fm( * new FileSystemOptions());
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();
+ IO_operations *io = new IO_operations(outputFilename, c.getStateMachine(), c.getNameOfFirstState(), c.getTransitions(), c.getStates(), c.getEvents());
+ io->save_to_file();
+ io->print_stats();
+ mdc->print_stats();
return 0;
}