dot files

CMakeLists.txt

@@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.10)
 project("Formalang")
 
 # set(CMAKE_CXX_FLAGS "-O3")
+# set(CMAKE_CXX_FLAGS "-O0 --coverage -ftest-coverage -fprofile-arcs")
 
 find_package(GTest REQUIRED)
 find_package(Threads REQUIRED)
@@ -19,7 +20,7 @@ set(SOURCE_FILES
   src/regular/RegularTree.cpp
   src/regular/RegularTreeNode.cpp
   src/NFA/NFAGraph.cpp
-        src/NFA/NFAGraphVertex.cpp
+  src/NFA/NFAGraphVertex.cpp
   src/converters/RegularToNFA.cpp
   src/converters/NFAToDFA.cpp
   src/DFA/DFAGraph.cpp
@@ -44,5 +45,3 @@ add_executable(Formalang src/main.cpp ${SOURCE_FILES})
 add_executable(Tests tests/MainTest.cpp ${TEST_FILES} ${SOURCE_FILES})
 
 target_link_libraries(Tests ${GTEST_LIBRARIES} Threads::Threads)
-target_link_libraries(Formalang Threads::Threads)
-

include/DFA/DFAGraph.hpp

@@ -59,6 +59,7 @@ class DFAGraph {
 
   void Print() const;
   bool Accepted(const std::string&) const;
+  void CreateDotFile(const std::string& filename) const;
  private:
   size_t count_vertexes_ = 0;
   std::map<size_t, std::shared_ptr<Vertex>> vertexes_;

include/NFA/NFAGraph.hpp

@@ -61,6 +61,7 @@ class NFAGraph {
   const std::vector<size_t>& GetStartVertexes() const;
 
   void Print() const;
+  void CreateDotFile(const std::string& filename) const;
  private:
   size_t count_vertexes_ = 0;
   std::map<size_t, std::shared_ptr<Vertex>> vertexes_;

src/DFA/DFAGraph.cpp

@@ -1,6 +1,7 @@
 #include "DFA/DFAGraph.hpp"
 #include <algorithm>
 #include <iostream>
+#include <fstream>
 
 namespace DFA {
 DFAGraph::DFAGraph(DFAGraph&& another) {
@@ -119,5 +120,25 @@ bool DFAGraph::Accepted(const std::string& str) const {
   }
   return current->IsFinal();
 }
+void DFAGraph::CreateDotFile(const std::string& filename) const {
+  std::ofstream out(filename);
+  out << "digraph G {\n";
+
+  for (auto& i: vertexes_) {
+    for (auto& j: i.second->transitions_) {
+      out << i.first << "->" << j.second << "[label=" << j.first << "]\n";
+    }
+    if (i.second->IsStart() && i.second->IsFinal()) {
+      out << "  " << i.first << " [shape=star];\n";
+    } else if (i.second->IsStart()) {
+      out << "  " << i.first << " [shape=rarrow];\n";
+    } else if (i.second->IsFinal()) {
+      out << "  " << i.first << " [shape=Msquare];\n";
+    }
+  }
+
+  out << "}\n";
+
+}
 }
 

src/NFA/NFAGraph.cpp

@@ -1,6 +1,7 @@
 #include "NFA/NFAGraph.hpp"
 #include <algorithm>
 #include <iostream>
+#include <fstream>
 
 namespace NFA {
 NFAGraph::NFAGraph(NFAGraph&& another) {
@@ -168,4 +169,26 @@ void NFAGraph::Print() const {
   }
   std::cout << std::endl;
 }
+
+void NFAGraph::CreateDotFile(const std::string& filename) const {
+  std::ofstream out(filename);
+  out << "digraph G {\n";
+
+  for (auto& i: vertexes_) {
+    for (auto& j: i.second->transitions_) {
+      for (auto& k: j.second) {
+        out << i.first << "->" << k << "[label=" << j.first << "]\n";
+      }
+    }
+    if (i.second->IsStart() && i.second->IsFinal()) {
+      out << "  " << i.first << " [shape=Mstar];\n";
+    } else if (i.second->IsStart()) {
+      out << "  " << i.first << " [shape=Mdiamond];\n";
+    } else if (i.second->IsFinal()) {
+      out << "  " << i.first << " [shape=Msquare];\n";
+    }
+  }
+
+  out << "}\n";
+}
 }

src/converters/DFAToMinDFA.cpp

@@ -1,4 +1,5 @@
 #include "converters/DFAToMinDFA.hpp"
+#include <iostream>
 
 namespace converters {
 DFAGraph DFAGraphToMinDFAGraph(DFAGraph&& graph) {
@@ -65,7 +66,6 @@ DFAGraph DFAGraphToMinDFAGraph(DFAGraph&& graph) {
     }
   }
 
-  /*
   for (int i = 0; i < n; ++i) {
     for (int k = 0; k < n; ++k) {
       for (int j = 0; j < alphabet.size() + 1; ++j) {
@@ -75,7 +75,6 @@ DFAGraph DFAGraphToMinDFAGraph(DFAGraph&& graph) {
     }
     std::cout << std::endl;
   }
-  */
 
   std::vector<std::vector<size_t>>& last_layer(table.back());
   size_t count_vertex = 0;

src/main.cpp

@@ -1,5 +1,4 @@
 #include <iostream>
-#include <cassert>
 #include "regular/RegularTree.hpp"
 #include "converters/RegularToNFA.hpp"
 #include "converters/NFAToDFA.hpp"
@@ -52,13 +51,22 @@ void example2() {
 int main() {
 
   {
-    RegularTree r("(a|b)+bab(a|b)+");
+    RegularTree r("((ab|ba)*( |a|ba))");
     NFAGraph NFA_tree = RegularToNFAGraph(std::move(r));
     DFAGraph DFA_graph = NFAGraphToDFAGraph(std::move(NFA_tree));
-    DFA_graph = DFAGraphToMinDFAGraph(std::move(DFA_graph));
-
+    // DFA_graph.CreateDotFile("1.dot");
+    // DFA_graph = DFAGraphToMinDFAGraph(std::move(DFA_graph));
     DFA_graph = DFAGraphToFDFAGraph(std::move(DFA_graph), {'a', 'b'});
     DFA_graph = InvertFDFAGraph(std::move(DFA_graph));
+    // DFA_graph.CreateDotFile("2.dot");
+    auto ss = DFAGraphToRegular(std::move(DFA_graph));
+    std::cout << ss << std::endl;
+    r = RegularTree(ss);
+    // r.Print();
+    std::cout << r.ToString() << std::endl;
+    // DFA_graph.Print();
+    return 0;
+
     DFA_graph = DFAGraphToMinDFAGraph(std::move(DFA_graph));
     DFA_graph.Print();
     auto s = DFAGraphToRegular(std::move(DFA_graph));