]> rtime.felk.cvut.cz Git - boost-statechart-viewer.git/commitdiff
Rewrite - get all information from AST instead of manually parsing certain declarations
authorMichal Sojka <sojkam1@fel.cvut.cz>
Mon, 27 Aug 2012 06:05:09 +0000 (08:05 +0200)
committerMichal Sojka <sojkam1@fel.cvut.cz>
Mon, 27 Aug 2012 06:05:09 +0000 (08:05 +0200)
Also simplify .dot file generator.

This version works with clang-3.1 on all examples in examples/ directory.

Missing compared to previous version:
- sub state handling
- (maybe) ortoghonal states

examples/Makefile
src/Makefile
src/iooper.h [deleted file]
src/stringoper.h [deleted file]
src/visualizer.cpp

index 2706a64bcfeff0a98c47da5295793980fc3d6ab5..b399af90d120e6fcd957ecaf9ae6ac91bf64aca8 100644 (file)
@@ -1,10 +1,13 @@
+-include ../Makefile.config
+
 .PHONY: all
 all: test.pdf StopWatch.pdf main.pdf
 
+CLANG++ ?= clang++
 VISUALIZER = -Xclang -load -Xclang ../src/visualizer.so -Xclang -plugin -Xclang visualize-statechart
 
 %.o %.dot: %.cpp ../src/visualizer.so
-       clang++ $(VISUALIZER) -c -o $(<:.cpp=.o) $<
+       $(CLANG++) $(VISUALIZER) -c -o $(<:.cpp=.o) $<
 
 %.eps: %.dot
        dot -Tps $< > $@
@@ -14,4 +17,3 @@ VISUALIZER = -Xclang -load -Xclang ../src/visualizer.so -Xclang -plugin -Xclang
 
 ../src/visualizer:
        $(MAKE) -C ../src
-
index b1bcb4b3dbccd8a9a56c7e45b33dea8c34a8a260..7b078d6a1c7a2f4cc8c0aeb4e4b00794e05d549d 100644 (file)
@@ -3,9 +3,10 @@
 LLVM_CONFIG ?= llvm-config
 
 LLVM_FLAGS := $(shell $(LLVM_CONFIG) --cxxflags --ldflags --libs jit core)
+LLVM_FLAGS := $(filter-out -DNDEBUG,$(LLVM_FLAGS))
 
 visualizer.so: visualizer.cpp stringoper.h iooper.h
-       $(CXX) $< -o $@ -g -fno-rtti -shared -fpic -Wall -lclangParse -lclangFrontend -lclangSerialization \
+       $(CXX) $< -o $@ -g -fno-rtti -shared -fpic -Wall --std=c++11 -lclangParse -lclangFrontend -lclangSerialization \
        -lclangDriver -lclangCodeGen -lclangSema \
        -lclangAnalysis -lclangRewrite -lclangAST -lclangLex -lclangBasic -lclangEdit \
        $(LLVM_FLAGS)
diff --git a/src/iooper.h b/src/iooper.h
deleted file mode 100644 (file)
index a934ac5..0000000
+++ /dev/null
@@ -1,418 +0,0 @@
-/** @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/>.
-//
-////////////////////////////////////////////////////////////////////////////////////////
-
-#include <fstream>
-#include <list>
-#include <string>
-
-#include "stringoper.h"
-
-using namespace std;
-
-/**
-* This class provides saving information about state machine to a specified output file. It saves states and transitions and also it creates the transition table.
-*/
-class IO_operations
-{
-       list<string> transitions; /** list of transitions */
-       list<string> states; /** list of states */
-       list<string> events; /** list of events */
-       string outputFilename;
-       string name_of_machine;
-       string name_of_first_state;
-       string *table; /** transition table. It is being allocated when starting the creation of output file. */
-       int nState;
-       int cols, rows;
-       /** This function finds place in the transition table to put a transition there. */
-       int find_place(string model, int type)
-       {
-               if(type == 1)
-               {
-                       for(int i = 3;i<cols;i++)
-                       {
-                               if(model.compare(0,model.size(),table[i])==0) return i;
-                       }
-               }
-               else
-               {
-                       for(int i = 1;i<rows;i++)
-                       if(model.compare(0,model.size(),table[i*cols+2])==0) return i;
-               }
-               return -1;
-       }
-       public:
-       IO_operations() {} /** Implicit constructor */
-       /** Constructor that fill in all private variables in this class */
-       IO_operations( const string outputFile, const string FSM_name, const string firstState, const list<string> trans, const list<string> state, const list<string> ev )
-       {
-               outputFilename = outputFile;
-               name_of_machine = FSM_name;
-               name_of_first_state = firstState;
-               transitions = trans;
-               states = state;
-               events = ev;
-       }
-
-       ~IO_operations() /** destructor. It deallocates the transition table.*/
-       {
-               delete [] table;
-       }
-
-       void setEvents(list<string> events) /** Set list of events to an attribute */
-       {
-               this->events = events;
-       }
-
-       void setTransitions(list<string> transitions) /** Set list of transitions to an attribute */
-       {
-               this->transitions = transitions;
-       }
-
-       void setStates(list<string> states) /** Set list of states to an attribute */
-       {
-               this->states = states;
-       }
-
-       void setNameOfStateMachine(string name_of_FSM) /** Set name of FSM to an attribute */
-       {
-               name_of_machine = name_of_FSM;
-       }
-
-       void setNameOfFirstState(string first_state) /** Set name of start state to an attribute */
-       {
-               name_of_first_state = first_state;
-       }
-
-       void setOutputFilename(string outputFilename) /** Set name of an output file to an attribute */
-       {
-               this->outputFilename = outputFilename;
-       }
-
-       bool test_start(const string *sState, const string state, const int num)
-       {
-               for(int i = 0; i<num;i++)
-               {
-                       if (state.compare(0,sState[i].length(), sState[i])==0 && sState[i].length()==state.length()) return true;
-               }
-               return false;
-       }
-
-       bool write_states(ofstream& filestr) /** This method write states to the output file and also to transition table. */
-       {
-               int pos1, pos2, cnt, subs, num_start, orto = 0;
-               nState = 1;
-               string context, state, ctx, *sState, str;
-               list<string> nstates = states;
-               context = name_of_machine;
-               table[0] = "S";
-               table[1] = "Context";
-               table[2] = "State";
-               cnt = count(name_of_first_state,',');
-               sState = new string [cnt+1];
-               str = name_of_first_state;
-               if(cnt>0) str = get_params(str);
-               num_start = cnt+1;
-               for(int i = 0;i<=cnt;i++)
-               {
-                       if(i == cnt) sState[i] = str;
-                       else
-                       {
-                               sState[i] = str.substr(0,str.find(','));
-                               str = str.substr(str.find(',')+1);
-                       }
-               }
-               for(list<string>::iterator i = nstates.begin();i!=nstates.end();i++) // write all states in the context of the automaton
-               {
-                       state = *i;
-                       cnt = count(state,',');
-                       if(count(state,'>')==1) //ortho states
-                       {
-                               orto = 1;
-                               if(cnt>1)cnt = 2;
-                       }
-                       if(cnt==1)
-                       {
-                               pos1 = state.find(",");
-                               if(orto == 1) ctx = cut_namespaces(cut_namespaces(state.substr(pos1+1),1));
-                               else ctx = cut_namespaces(state.substr(pos1+1));
-                               if(ctx.compare(0,context.length(),context)==0 && context.length()==ctx.length())
-                               {
-                                       str = cut_namespaces(state.substr(0,pos1));
-                                       if(test_start(sState,str,num_start))
-                                       {
-                                               filestr<<str<<" [peripheries=2];\n";
-                                               table[cols*nState] = "*";
-                                       }
-                                       else filestr<<str<<"\n";
-                                       table[cols*nState+2] = str;
-                                       table[cols*nState+1] = context;
-                                       nState+=1;
-                                       nstates.erase(i);
-                                       i--;
-                               }
-                       }
-                       if(cnt==2) //ORTHO OK
-                       {
-                               pos1 = state.find(",");
-                               pos2 = state.substr(pos1+1).find(",")+pos1+1;
-                               ctx = cut_namespaces(state.substr(pos1+1,pos2-pos1-1));
-                               if(ctx.compare(0,context.length(),context)==0 && context.length()==ctx.length())
-                               {
-                                       str = cut_namespaces(state.substr(0,pos1));
-                                       if(test_start(sState,str,num_start))
-                                       {
-                                               filestr<<str<<" [peripheries=2];\n";
-                                               table[cols*nState] = "*";
-                                       }
-                                       else filestr<<str<<"\n";
-                                       table[cols*nState+2] = str;
-                                       table[cols*nState+1] = context;
-                                       nState+=1;
-                               }
-                       }
-               }
-               delete [] sState;
-               subs = 0;
-               while(!nstates.empty()) // substates ?
-               {
-                       state = nstates.front();
-                       filestr<<"subgraph cluster"<<subs<<" {\n";
-                       pos1 = state.find(",");
-                       pos2 = state.substr(pos1+1).find(",")+pos1+1;
-                       if(pos1 == pos2) return false;
-                       context = cut_namespaces(state.substr(0,pos1));
-                       filestr<<"label=\""<<context<<"\";\n";
-                       cnt = count(state.substr(pos2+1),',');
-                       sState = new string [cnt+1];
-                       str = state.substr(pos2+1);
-                       if(cnt>0) str = get_params(str);
-                       num_start = cnt+1;
-                       for(int i = 0;i<=cnt;i++)
-                       {
-                               if(i == cnt) sState[i] = str;
-                               else
-                               {
-                                       sState[i] = str.substr(0,str.find(','));
-                                       str = str.substr(str.find(',')+1);
-                               }
-                       }
-                       nstates.pop_front();
-                       for(list<string>::iterator i = nstates.begin();i!=nstates.end();i++)
-                       {
-                               state = *i;
-                               cnt = count(state,',');
-                               if(count(state,'>')==1) //ortho states
-                               {
-                                       orto = 1;
-                                       if(cnt>1)cnt = 2;
-                               }
-                               if(cnt==1)
-                               {
-                                       pos1 = state.find(",");
-                                       if(orto == 1) ctx = cut_namespaces(cut_namespaces(state.substr(pos1+1),1));
-                                       else ctx = cut_namespaces(state.substr(pos1+1));
-                                       if(ctx.compare(0,context.length(),context)==0 && context.length()==ctx.length())
-                                       {
-                                               str = cut_namespaces(state.substr(0,pos1));
-                                               if(test_start(sState,str,num_start))
-                                               {
-                                                       filestr<<str<<" [peripheries=2];\n";
-                                                       table[cols*nState]="*";
-                                               }
-                                               else filestr<<str<<"\n";
-                                               table[cols*nState+2] = str;
-                                               table[cols*nState+1] = context;
-                                               nState+=1;
-                                               nstates.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 && context.length()==ctx.length())
-                                       {
-                                               str = cut_namespaces(state.substr(0,pos1));
-                                               if(test_start(sState,str,num_start))
-                                               {
-                                                       filestr<<str<<" [peripheries=2];\n";
-                                                       table[cols*nState]="*";
-                                               }
-                                               else filestr<<str<<"\n";
-                                               table[cols*nState+2] = str;
-                                               table[cols*nState+1] = context;
-                                               nState+=1;
-                                       }
-                               }
-                       }
-                       filestr<<"}\n";
-                       subs+=1;
-                       delete [] sState;
-               }
-               return true;
-       }
-
-       void write_transitions(ofstream& filestr) /** Write transitions to the output file nad the transition table. */
-       {
-               int pos1, pos2;
-               string params, state, event, dest;
-               for(list<string>::iterator i = transitions.begin();i!=transitions.end();i++) // write all transitions
-               {
-                       params = *i;
-                       if(count(params,',')==2)
-                       {
-                               pos1 = params.find(",");
-                               if(pos1==0)
-                               {
-                                       dest = "(deferred)";
-                                       pos2 = params.rfind(",");
-                                       event = cut_namespaces(params.substr(pos2+1));
-                                       state = cut_namespaces(params.substr(1,pos2-1));
-                               }
-                               else
-                               {
-                                       state = cut_namespaces(params.substr(0,pos1));
-                                       filestr<<state<<"->";
-                                       pos2 = params.rfind(",");
-                                       dest = cut_namespaces(params.substr(pos2+1));
-                                       filestr<<dest;
-                                       event = cut_namespaces(params.substr(pos1+1,pos2-pos1-1));
-                                       filestr<<"[label=\""<<event<<"\"];\n";
-                               }
-                               dest.append(",");
-                               table[find_place(state,2)*cols+find_place(event,1)]+=dest;
-                       }
-               }
-               return;
-       }
-
-       void fill_table_with_events() /** Fill the first row of the transition table with events. */
-       {
-               int j = 3;
-               for(list<string>::iterator i = events.begin();i!=events.end();i++)
-               {
-                       table[j] = *i;
-                       j++;
-               }
-       }
-
-       void save_to_file() /** Create output file stream and write there the name of state machine. It controls the whole process of writing into output files. */
-       {
-               if(!name_of_first_state.empty())
-               {
-                       ofstream filestr(outputFilename.c_str());
-                       filestr<<"digraph "<< name_of_machine<< " {\n";
-                       cols = events.size()+3;
-                       rows = states.size()+1;
-                       table = new string [cols*rows];
-                       fill_table_with_events();
-                       if(!write_states(filestr))
-                       {
-                               cerr<<"Error during writing states.\n";
-                               filestr<<"}";
-                               filestr.close();
-                               return;
-                       }
-                       write_transitions(filestr);
-                       filestr<<"}";
-                       filestr.close();
-                       // call write_reactions();
-                       print_table();
-               }
-               else cout<<"No state machine was found. So no output file was created.\n";
-               return;
-       }
-
-       void print_table() /** This function prints the transition table. At first it counts the size of all columns. */
-       {
-               cout<<"\nTRANSITION TABLE\n";
-               unsigned * len = new unsigned[cols];
-               len[0] = 1;
-               int nbr, multiline;
-               string line = "-|---|-", str;
-               for(int i = 1; i<cols; i++)
-               {
-                       len[i] = 0;
-                       for(int j = 0;j<rows;j++)
-                       {
-                               nbr = count(table[j*cols+i],',');
-                               if(nbr>1)
-                               {
-                                       str = table[j*cols+i];
-                                       for(int k = 1; k<nbr;k++)
-                                       {
-                                               if(len[i]<str.find(",")) len[i] = str.find(",");
-                                               str.substr(str.find(",")+1);
-                                       }
-                               }
-                               else if(len[i]<table[j*cols+i].length()) len[i] = table[j*cols+i].length();
-                       }
-                       for(unsigned k = 0; k<len[i]; k++)
-                       {
-                               line.append("-");
-                       }
-                       line.append("-|-");
-               }
-               cout<<line<<"\n";
-               for(int i = 0; i<rows; i++)
-               {
-                       cout<<" | ";
-                       multiline = 0;
-                       for(int j = 0;j<cols;j++)
-                       {
-                               cout.width(len[j]);
-                               str = table[i*cols+j];
-                               nbr = count(str,',');
-                               if(nbr>0)
-                               {
-                                       cout<<left<<str.substr(0,str.find(","))<<" | ";
-                                       if(nbr>1)
-                                       {
-                                               table[i*cols+j] = str.substr(str.find(",")+1);
-                                               multiline = 1;
-                                       }
-                                       else table[i*cols+j]="";
-
-                               }
-                               else
-                               {
-                                       cout<<left<<str<<" | ";
-                                       table [i*cols+j]="";
-                               }
-                       }
-                       cout<<"\n";
-                       if(multiline == 0)      cout<<line<<"\n";
-                       else i--;
-               }
-               delete [] len;
-       }
-
-       void print_stats() /** Print short statistics about the state machine */
-       {
-               cout<<"\n"<<"Statistics: \n";
-               cout<<"Number of states: "<<states.size()<<"\n";
-               cout<<"Number of events: "<<events.size()<<"\n";
-               cout<<"Number of transitions: "<<transitions.size()<<"\n\n";
-               return;
-       }
-
-};
diff --git a/src/stringoper.h b/src/stringoper.h
deleted file mode 100644 (file)
index a160309..0000000
+++ /dev/null
@@ -1,388 +0,0 @@
-/** @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/>.
-//
-////////////////////////////////////////////////////////////////////////////////////////
-
-#include <string>
-
-using namespace std;
-using namespace clang;
-
-string clean_spaces(const string line) /** Remove gaps from string.*/
-{
-       unsigned i;
-       string new_line = "";
-       for(i = 0;i<line.length();i++)
-       {
-               if(!isspace(line[i])) new_line+=line[i];
-       }
-       //cout<<new_line;
-       return new_line;
-}
-
-string cut_commentary(const string line) /** This function cuts commentaries at the end of line. */
-{
-       unsigned i = 0;
-       for(i = 0;i<line.length()-1;i++)
-       {
-               if(line[i]=='/' && line[i+1]=='/') return line.substr(0,i);
-               if(line[i]=='/' && line[i+1]=='*') return line.substr(0,i);
-       }
-       return line;
-}
-
-string get_line_of_code(const string code) /** Thie function return the line of code that belongs to a declaration. The output string line doesn't have gaps and commentaries.*/
-{
-       string ret;
-       unsigned i;
-       for(i = 0;i<code.length();i++)
-       {
-               if(code[i]=='\n'||code[i]=='{') break;
-       }
-       ret = code.substr(0,i);
-       ret = clean_spaces(ret);
-       return cut_commentary(ret);
-}
-
-string get_return(const string code) /** Return return statement. */
-{
-       string ret;
-       unsigned i;
-       for(i = 0;i<code.length();i++)
-       {
-               if(code[i]==' ') break;
-       }
-       return code.substr(0,i);
-}
-
-string cut_namespaces(string line) /** Cut namespaces from the declarations. */
-{
-       int i;
-       int brackets = 0;
-       for(i = line.length()-1;i>0;i--)
-       {
-               if(line[i]=='<') brackets+=1;
-               if(line[i]=='>') brackets-=1;
-               if(line[i]==':' && line[i-1]==':')
-               {
-                       if(brackets == 0) break;
-                       else i--;
-               }
-       }
-       if(i==0) return line;
-       return line.substr(i+1);
-}
-
-string cut_namespaces(string line, int ortho) /** Cut namespaces ORTHOGONAL STATES. */
-{
-       int i;
-       int brackets = 0;
-       for(i = line.length()-1;i>0;i--)
-       {
-               if(line[i]=='<') brackets+=1;
-               if(line[i]=='>') brackets-=1;
-               if(line[i]==':' && line[i-1]==':')
-               {
-                       if(brackets == 0) break;
-                       else i--;
-               }
-       }
-       if(i==0) return line;
-       return line.substr(0,i-1);
-}
-
-bool is_derived(const string line) /** Test whether this struct or class is derived */
-{
-       unsigned i;
-       for(i = 0;i<line.length()-2;i++)
-       {
-               if(line[i]==':')
-               {
-                       if(line[i+1]!=':') return true;
-                       else i+=1;
-               }
-       }
-       return false;
-}
-
-string get_super_class(const string line) /** Get the super classes of this declarations. */
-{
-       unsigned i;
-       for(i = 0;i<line.length()-1;i++)
-       {
-               if(line[i]==':')
-               {
-                       if(line[i+1]!=':') break;
-                       else i+=1;
-               }
-       }
-       return line.substr(i+1);
-}
-
-string get_next_base(const string line) /** Get next super classes of this declarations Do the first super class is ommitted. */
-{
-       unsigned i;
-       int brackets = 0;
-       for(i = 0;i<line.length()-1;i++)
-       {
-               if(line[i]=='<') brackets+=1;
-               if(line[i]=='>') brackets-=1;
-               if(line[i]==',' && brackets == 0) break;
-       }
-       return line.substr(i+1);
-}
-
-string get_first_base(const string line) /** Get the first super class of this declarations. */
-{
-       unsigned i;
-       int brackets = 0;
-       for(i = 0;i<line.length()-1;i++)
-       {
-               if(line[i]=='<') brackets+=1;
-               if(line[i]=='>') brackets-=1;
-               if(line[i]==',' && brackets == 0) break;
-       }
-       return line.substr(0,i);
-}
-
-bool is_state(const string line) /** Test if this declaration is a state. It is used to test the base classes. */
-{
-       if(cut_namespaces(line).compare(0,12,"simple_state")==0)
-       {
-               return true;
-       }
-       else
-       {
-               if(cut_namespaces(line).compare(0,5,"state")==0)
-               {
-                       return true;
-               }
-               return false;
-       }
-}
-
-string cut_type(string line) /** This function cuts type of the declaration from the string. */
-{
-       unsigned i;
-       for(i = 0;i<line.length();i++)
-       {
-               if(line[i]==' ') break;
-       }
-       return line.substr(i);
-}
-
-int count(const string line, const char c) /** Count all specified char in string. So it returns the number of specified characters. */
-{
-       int number = 0;
-       for(unsigned i = 0;i<line.length();i++)
-       {
-               if(line[i]==c) number+=1;
-       }
-       return number;
-}
-
-bool is_list(const string line) /** Test if this decl is mpl::list. */
-{
-       //cout<<line<<"\n";
-       int pos = 0;
-       for(unsigned i = 0; i<line.length();i++)
-       {
-               if(line[i]=='<') break;
-               if(line[i]==':' && line[i+1]==':') pos = i+2;
-       }
-       if(line.substr(pos).compare(0,4,"list")==0)
-       {
-               return true;
-       }
-       else
-       {
-               return false;
-       }
-}
-
-string get_inner_part(const string line) /** Get inner part of the list. */
-{
-       string str;
-       unsigned i, pos = 0;
-       for(i = 0;i<line.length();i++)
-       {
-               if(line[i]=='<') break;
-       }
-       str = line.substr(i+1);
-       for(i = 0;i<str.length();i++)
-       {
-               if(str[i]=='<') pos+=1;
-               if(str[i]=='>')
-               {
-                       if(pos==0) break;
-                       else pos-=1;
-               }
-       }
-       return str.substr(0,i);
-}
-
-int get_model(const string line) /** Test the string to has a specified model. */
-{
-       string str = cut_namespaces(line);
-       if(str.find("<")<str.length()) str = str.substr(0,str.find("<"));
-       switch(str.length())
-       {
-               case 5 : if(str.compare(0,5,"event")==0) return 1;
-                                       break;
-               case 6 : if(str.compare(0,6,"result")==0) return 5;
-                                  break;
-               case 7 : if(str.compare(0,7,"transit")==0) return 6;
-                                  break;
-               case 8 : if(str.compare(0,8,"deferral")==0) return 13;
-                                  break;
-               case 10 : if(str.compare(0,10,"transition")==0) return 11;
-                                        break;
-               case 11 : if(str.compare(0,11,"defer_event")==0) return 7;
-                                        break;
-               case 13 : if(str.compare(0,13,"state_machine")==0) return 3;
-                                        break;
-               case 15 : if(str.compare(0,15,"custom_reaction")==0) return 12;
-                                        break;
-               default : return -1;
-       }
-       return -1;
-}
-
-string get_params(string line) /** Return parameters of the specified transition */
-{
-       int pos_front = line.find("<")+1;
-       int pos_end = line.rfind(">");
-       return line.substr(pos_front,pos_end-pos_front);
-}
-
-string find_states(const CXXRecordDecl *cRecDecl, string line) /** test if the struct/class is he state (must be derived from simple_state or state). */
-{
-       string super_class = get_super_class(line), base, params;
-       if(cRecDecl->getNumBases()>1)
-       {
-
-               for(unsigned i = 0; i<cRecDecl->getNumBases();i++ )
-               {
-                       if(i!=cRecDecl->getNumBases()-1) base = get_first_base(super_class);
-                       else base = super_class;
-                       if(is_state(super_class))
-                       {
-                               params = get_params(super_class);
-                       }
-                       else
-                       {
-                               super_class = get_next_base(super_class);
-                       }
-               }
-       }
-       else
-       {
-               if(is_state(super_class))
-               {
-                       params = get_params(super_class);
-               }
-               else params = "";
-       }
-       return params;
-}
-
-string find_name_of_machine(const CXXRecordDecl *cRecDecl, string line) /** Find name of the state machine and the start state. */
-{
-       string super_class = get_super_class(line), base, params;
-       if(cRecDecl->getNumBases()>1)
-       {
-               for(unsigned i = 0; i<cRecDecl->getNumBases();i++ )
-               {
-                       if(i!=cRecDecl->getNumBases()-1) base = get_first_base(super_class);
-                       else base = super_class;
-                       if(get_model(base)==3)
-                       {
-                               params = get_params(base);
-                       }
-                       else
-                       {
-                               super_class = get_next_base(super_class);
-                       }
-               }
-       }
-       else
-       {
-               if(get_model(super_class)==3)
-               {
-                       params = get_params(super_class);
-               }
-       }
-       return params;
-}
-
-string find_transitions (const string name_of_state, string line) /** Traverse all methods for finding declarations of transitions. */
-{
-       string dest, params, base, trans;
-       int num = count(line,'<');
-       if(num>1)
-       {
-               num-=1;
-               if(is_list(line))
-               {
-                       line = get_inner_part(line);
-               }
-       }
-       for(int j = 0;j<num;j++)
-       {
-               if(j!=num-1) base = get_first_base(line);
-               else base = line;
-               if(get_model(base)>10)
-               {
-                       if(get_model(base)==12) dest = ";";
-                       else if (get_model(base) == 13) dest = ",";
-                       else dest = "";
-                       dest.append(name_of_state);
-                       params = get_params(base);
-                       dest.append(",");
-                       dest.append(params);
-                       trans.append(dest);
-                       if(j!=num-1) trans.append(";");
-               }
-               line = get_next_base(line);
-       }
-       if(trans[trans.length()-1]==';') return trans.substr(0,trans.length()-1);
-       else return trans;
-}
-
-bool find_events(const CXXRecordDecl *cRecDecl, string line) /** This function provides testing if the decl is decl of event*/
-{
-       string super_class = get_super_class(line), base, params;
-       if(cRecDecl->getNumBases()>1)
-       {
-               for(unsigned i = 0; i<cRecDecl->getNumBases();i++ )
-               {
-                       if(i!=cRecDecl->getNumBases()-1) base = get_first_base(super_class);
-                       else base = super_class;
-                       if(get_model(base)==1) return true;
-                       else
-                       {
-                               super_class = get_next_base(super_class);
-                       }
-               }
-       }
-       else
-       {
-               if(get_model(super_class)==1)return true;
-       }
-       return false;
-}
index 711261188dd91aab01cec365362c29a351481f67..20105b660e64a01594be5cb42fa64542bf902bb8 100644 (file)
 ////////////////////////////////////////////////////////////////////////////////////////
 
 //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 &sc;
+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,
@@ -469,3 +221,7 @@ protected:
 };
 
 static FrontendPluginRegistry::Add<VisualizeStatechartAction> X("visualize-statechart", "visualize statechart");
+
+// Local Variables:
+// c-basic-offset: 4
+// End: