created parsers folder

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

src/parsers/smt/smtparser.h

@@ -0,0 +1,48 @@
+/*++
+Copyright (c) 2006 Microsoft Corporation
+
+Module Name:
+
+    smtparser.h
+
+Abstract:
+
+    SMT parsing utilities
+
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2006-09-25
+
+Revision History:
+
+--*/
+#ifndef _SMT_PARSER_H_
+#define _SMT_PARSER_H_
+
+#include<iostream>
+#include"ast.h"
+#include"vector.h"
+#include"smtlib.h"
+
+namespace smtlib {
+    class parser {
+    public:        
+        static parser * create(ast_manager & ast_manager, bool ignore_user_patterns = false);
+
+        virtual ~parser() {}
+
+        virtual void add_builtin_op(char const *, family_id fid, decl_kind kind) = 0;
+        virtual void add_builtin_type(char const *, family_id fid, decl_kind kind) = 0;
+
+        virtual void initialize_smtlib() = 0;
+
+        virtual void set_error_stream(std::ostream& strm) = 0;
+
+        virtual bool parse_file(char const * path) = 0;
+        virtual bool parse_string(char const * string) = 0;
+
+        virtual benchmark * get_benchmark() = 0;
+    };
+};
+
+#endif