Further refactoring ackermannization.

src/ackermannization/lackr_model_constructor.h

@@ -0,0 +1,61 @@
+ /*++
+ Copyright (c) 2015 Microsoft Corporation
+
+ Module Name:
+
+  model_constructor.h
+
+ Abstract:
+   Given a propositional abstraction, attempt to construct a model.
+
+
+ Author:
+
+ Mikolas Janota
+
+ Revision History:
+ --*/
+#ifndef LACKR_MODEL_CONSTRUCTOR_H_
+#define LACKR_MODEL_CONSTRUCTOR_H_
+
+#include"ast.h"
+#include"ackr_info.h"
+#include"ackr_helper.h"
+#include"model.h"
+
+class lackr_model_constructor {
+    public:
+        typedef std::pair<app *, app *>           app_pair;
+        typedef vector<app_pair>                  conflict_list;
+        lackr_model_constructor(ast_manager& m, ackr_info_ref info);
+        ~lackr_model_constructor();
+        bool check(model_ref& abstr_model);
+        const conflict_list& get_conflicts() {
+            SASSERT(m_state == CONFLICT);
+            return m_conflicts;
+        }
+        void make_model(model_ref& model);
+
+        //
+        // Reference counting
+        //
+        void inc_ref() { ++m_ref_count; }
+        void dec_ref() {
+            --m_ref_count;
+            if (m_ref_count == 0) {
+                dealloc(this);
+            }
+        }
+    private:
+        struct imp;
+        imp * m_imp;
+        enum {CHECKED, CONFLICT, UNKNOWN}  m_state;
+        conflict_list                      m_conflicts;
+        ast_manager&                       m_m;
+        const ackr_info_ref                m_info;
+
+        unsigned m_ref_count; // reference counting
+};
+
+typedef ref<lackr_model_constructor> lackr_model_constructor_ref;
+#endif /* MODEL_CONSTRUCTOR_H_ */