checkpoint

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

src/tactic/model_converter.h

@@ -0,0 +1,59 @@
+/*++
+Copyright (c) 2011 Microsoft Corporation
+
+Module Name:
+
+    model_converter.h
+
+Abstract:
+
+    Abstract interface for converting models.
+
+Author:
+
+    Leonardo (leonardo) 2011-04-21
+
+Notes:
+
+--*/
+#ifndef _MODEL_CONVERTER_H_
+#define _MODEL_CONVERTER_H_
+
+#include"model.h"
+#include"converter.h"
+#include"ref.h"
+
+class model_converter : public converter {
+public:
+    virtual void operator()(model_ref & m) {}  // TODO: delete
+
+    virtual void operator()(model_ref & m, unsigned goal_idx) {
+        // TODO: make it virtual after the transition to goal/tactic/tactical is complete
+        SASSERT(goal_idx == 0);
+        operator()(m);
+    }
+    
+    virtual model_converter * translate(ast_translation & translator) = 0;
+};
+
+typedef ref<model_converter> model_converter_ref;
+
+model_converter * concat(model_converter * mc1, model_converter * mc2);
+
+/**
+   \brief \c mc1 is the model converter for a sequence of subgoals of size \c num.
+   Given an i in [0, num), mc2s[i] is the model converter for subgoal i,
+   and num_subgoals[i] is the number of subgoals of subgoals[i].
+*/
+model_converter * concat(model_converter * mc1, unsigned num, model_converter * const * mc2s, unsigned * num_subgoals);
+
+model_converter * model2model_converter(model * m);
+
+void model_converter2model(ast_manager & mng, model_converter * mc, model_ref & m);
+
+void apply(model_converter_ref & mc, model_ref & m, unsigned gidx);
+
+typedef sref_vector<model_converter> model_converter_ref_vector;
+typedef sref_buffer<model_converter> model_converter_ref_buffer;
+
+#endif