Z3 sources

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

lib/theory_dummy.cpp

@@ -0,0 +1,73 @@
+/*++
+Copyright (c) 2006 Microsoft Corporation
+
+Module Name:
+
+    theory_dummy.cpp
+
+Abstract:
+
+    <abstract>
+
+Author:
+
+    Leonardo de Moura (leonardo) 2008-12-30.
+
+Revision History:
+
+--*/
+
+#include"smt_context.h"
+#include"theory_dummy.h"
+
+namespace smt {
+
+    void theory_dummy::found_theory_expr() {
+        if (!m_theory_exprs) {
+            get_context().push_trail(value_trail<context, bool>(m_theory_exprs));
+            m_theory_exprs = true;
+        }
+    }
+
+    theory_dummy::theory_dummy(family_id fid, char const * name):
+        theory(fid),
+        m_theory_exprs(false),
+        m_name(name) {
+    }
+
+    bool theory_dummy::internalize_atom(app * atom, bool gate_ctx) {
+        found_theory_expr();
+        return false;
+    }
+
+    bool theory_dummy::internalize_term(app * term) {
+        found_theory_expr();
+        return false;
+    }
+
+    void theory_dummy::new_eq_eh(theory_var v1, theory_var v2) {
+        UNREACHABLE();
+    }
+
+    bool theory_dummy::use_diseqs() const {
+        return false; 
+    }
+
+    void theory_dummy::new_diseq_eh(theory_var v1, theory_var v2) {
+        UNREACHABLE();
+    }
+
+    void theory_dummy::reset_eh() {
+        m_theory_exprs = true;
+        theory::reset_eh();
+    }
+
+    final_check_status theory_dummy::final_check_eh() {
+        return m_theory_exprs ? FC_GIVEUP : FC_DONE;
+    }
+
+    char const * theory_dummy::get_name() const { 
+        return m_name; 
+    }
+
+};