Exemplo n.º 1
0
 private object ImplEval(Context cx, IScriptable scope, IScriptable thisObj, object [] args)
 {
     if (cx.Version == Context.Versions.JS1_4)
     {
         Context.ReportWarningById("msg.cant.call.indirect", "eval");
         return(ScriptRuntime.evalSpecial(cx, scope, thisObj, args, string.Empty, 0));
     }
     throw ScriptRuntime.ConstructError("EvalError", ScriptRuntime.GetMessage("msg.cant.call.indirect", "eval"));
 }
Exemplo n.º 2
0
 internal static int AssertValidPrecision(int precision)
 {
     if (precision < 0 || precision > MAX_PRECISION)
     {
         string msg = ScriptRuntime.GetMessage("msg.bad.precision", ScriptConvert.ToString(precision));
         throw ScriptRuntime.ConstructError("RangeError", msg);
     }
     return(precision);
 }
Exemplo n.º 3
0
 public void Load(string assembly)
 {
     try {
         ImportAssembly(
             this.ParentScope, Assembly.LoadWithPartialName(assembly));
     }
     catch (FileNotFoundException e) {
         throw ScriptRuntime.ConstructError("EvalError", "Failed to load assembly: " + e.Message);
     }
 }
Exemplo n.º 4
0
 public virtual void Error(string message, string sourceURI, int line, string lineText, int lineOffset)
 {
     if (forEval)
     {
         throw ScriptRuntime.ConstructError("SyntaxError", message, sourceURI, line, lineText, lineOffset);
     }
     if (chainedReporter != null)
     {
         chainedReporter.Error(message, sourceURI, line, lineText, lineOffset);
     }
     else
     {
         throw RuntimeError(message, sourceURI, line, lineText, lineOffset);
     }
 }
Exemplo n.º 5
0
        private static string num_to(double val, object [] args, int zeroArgMode, int oneArgMode, int precisionMin, int precisionOffset)
        {
            int precision;

            if (args.Length == 0)
            {
                precision  = 0;
                oneArgMode = zeroArgMode;
            }
            else
            {
                /* We allow a larger range of precision than
                *  ECMA requires; this is permitted by ECMA. */
                precision = ScriptConvert.ToInt32(args [0]);
                if (precision < precisionMin || precision > MAX_PRECISION)
                {
                    string msg = ScriptRuntime.GetMessage("msg.bad.precision", ScriptConvert.ToString(args [0]));
                    throw ScriptRuntime.ConstructError("RangeError", msg);
                }
            }


            switch (zeroArgMode)
            {
            case DTOSTR_FIXED:
                return(val.ToString("F" + (precision + precisionOffset), NumberFormatter));

            case DTOSTR_STANDARD_EXPONENTIAL:
                return(val.ToString("e" + (precision + precisionOffset), NumberFormatter));

            case DTOSTR_STANDARD:
                if (oneArgMode == DTOSTR_PRECISION)
                {
                    return(val.ToString(precision.ToString(), NumberFormatter));
                }
                else
                {
                    return(val.ToString(NumberFormatter));
                }
            }

            Context.CodeBug();
            return(string.Empty); // Not reached
        }
Exemplo n.º 6
0
        public override object ExecIdCall(IdFunctionObject f, Context cx, IScriptable scope, IScriptable thisObj, object [] args)
        {
            if (!f.HasTag(NUMBER_TAG))
            {
                return(base.ExecIdCall(f, cx, scope, thisObj, args));
            }
            int id = f.MethodId;

            if (id == Id_constructor)
            {
                double val = (args.Length >= 1) ? ScriptConvert.ToNumber(args [0]) : 0.0;
                if (thisObj == null)
                {
                    // new Number(val) creates a new Number object.
                    return(new BuiltinNumber(val));
                }
                // Number(val) converts val to a number value.
                return(val);
            }

            // The rest of Number.prototype methods require thisObj to be Number
            BuiltinNumber nativeNumber = (thisObj as BuiltinNumber);

            if (nativeNumber == null)
            {
                throw IncompatibleCallError(f);
            }
            double value = nativeNumber.doubleValue;

            int toBase = 0;

            switch (id)
            {
            case Id_toString:
                toBase = (args.Length == 0) ? 10 : ScriptConvert.ToInt32(args [0]);
                return(ScriptConvert.ToString(value, toBase));

            case Id_toLocaleString: {
                // toLocaleString is just an alias for toString for now
                toBase = (args.Length == 0) ? 10 : ScriptConvert.ToInt32(args [0]);
                return(ScriptConvert.ToString(value, toBase));
            }


            case Id_toSource:
                return("(new Number(" + ScriptConvert.ToString(value) + "))");


            case Id_valueOf:
                return(value);


            case Id_toFixed:
                return(num_to(value, args, DTOSTR_FIXED, DTOSTR_FIXED, -20, 0));


            case Id_toExponential:
                return(num_to(value, args, DTOSTR_STANDARD_EXPONENTIAL, DTOSTR_EXPONENTIAL, 0, 1));


            case Id_toPrecision: {
                if (args.Length < 0 || args [0] == Undefined.Value)
                {
                    return(ScriptConvert.ToString(value));
                }
                int precision = ScriptConvert.ToInt32(args [0]);
                if (precision < 0 || precision > MAX_PRECISION)
                {
                    throw ScriptRuntime.ConstructError("RangeError",
                                                       ScriptRuntime.GetMessage("msg.bad.precision", ScriptConvert.ToString(args [0])));
                }
                return(value.ToString(GetFormatString(precision)));
            }


            default:
                throw new ArgumentException(Convert.ToString(id));
            }
        }