created parsers folder

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

src/parsers/smt/smtlib_solver.h

@@ -0,0 +1,48 @@
+/*++
+Copyright (c) 2006 Microsoft Corporation
+
+Module Name:
+
+    smtlib_solver.h
+
+Abstract:
+
+    SMT based solver.
+
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2006-11-3.
+
+Revision History:
+
+--*/
+#ifndef _SMTLIB_SOLVER_H_
+#define _SMTLIB_SOLVER_H_
+
+#include"smtparser.h"
+#include"front_end_params.h"
+#include"lbool.h"
+
+class cmd_context;
+
+namespace smtlib  {    
+    class solver {
+        ast_manager         m_ast_manager;
+        front_end_params &  m_params;
+        cmd_context *       m_ctx;
+        scoped_ptr<parser>  m_parser;
+        unsigned            m_error_code;
+    public:
+        solver(front_end_params & params);
+        ~solver(); 
+        bool solve_smt(char const * benchmark_file);
+        bool solve_smt_string(char const * benchmark_string);
+        void display_statistics();
+        unsigned get_error_code() const { return m_error_code; }
+    private:
+        void solve_benchmark(benchmark & benchmark);
+        void solve_formula(benchmark const & benchmark, expr * f);
+    };
+};
+
+#endif