コード例 #1
0
        /// <summary>
        /// Makes a converter from Bek programs to STbs
        /// </summary>
        /// <param name="solver">given solver</param>
        public static IConverter <STbModel> MkBekToSTbConverter(IContext <FuncDecl, Expr, Sort> solver, List <Bek.Frontend.AST.BekLocalFunction> funcs, string name)
        {
            //if (solver.Encoding != BitWidth.BV16)
            //{
            //    throw new ModelException("Modes other than UTF16 are not supported.");
            //}

            var conv = new exprConverter(solver);

            STBuilderZ3 stb = new STBuilderZ3(solver);

            foreach (var bekfunc in funcs)
            {
                var    varInfo = new Dictionary <string, Expr>();
                Expr[] vars    = new Expr[bekfunc.args.Length];
                for (int i = 0; i < bekfunc.args.Length; i++)
                {
                    var v = solver.MkVar((uint)i, solver.CharSort);
                    varInfo[bekfunc.args[i].name] = solver.MkVar((uint)i, solver.CharSort);
                    vars[i] = v;
                }

                Expr body = conv.ConvertToExpr(bekfunc.body, varInfo);

                solver.Library.DefineFunction(bekfunc.id.name, body, vars);
            }

            var charsort = solver.CharSort;

            var ire = new Converters.Z3.ValueExpr(stb, charsort, funcs);
            var ie  = new Converters.Z3.IterExpr2STb(ire, stb, charsort);
            var se  = new Converters.Z3.StrExpr2STb(ie, stb, charsort);
            var bp  = new Converters.Z3.BekProg2STb(se, stb, charsort, name);

            return(bp);
        }
コード例 #2
0
 public IterExpr(ValueExpr expr_handler, STBuilderZ3 stb, Sort charsort) : base(expr_handler)
 {
     this.stb      = stb;
     this.charsort = charsort;
 }