public VsaEngine(bool fast)
: base("JScript", "7.0.3300", true)
{
vsaItems = new VsaItems(this);
detached = false;
printSupported = false;
engineInstance = new EngineInstance(this);
engineInstance.Init();
// Set the global context to this engine if we are
// the only engine instance in the system.
Globals.SetContextEngine(this);
// Create the global object that contains all of
// the definitions in the engine's global scope.
lenientGlobalObject = new LenientGlobalObject(this);
// Create the global scope object.
globalScope = new GlobalScope
(null, lenientGlobalObject.globalObject);
// Initialize the scope stack.
scopeStack = new Object [8];
scopeStack[0] = globalScope;
scopeStackSize = 1;
currentScope = globalScope;
}
// Constructor.
internal ArrayPrototype(ObjectPrototype parent, EngineInstance inst)
: base(parent)
{
// Add the builtin "Array" properties to the prototype.
Put("constructor", inst.GetArrayConstructor());
AddBuiltin(inst, "concat");
AddBuiltin(inst, "join");
AddBuiltin(inst, "pop");
AddBuiltin(inst, "push");
AddBuiltin(inst, "reverse");
AddBuiltin(inst, "shift");
AddBuiltin(inst, "slice");
AddBuiltin(inst, "sort");
AddBuiltin(inst, "splice");
AddBuiltin(inst, "toLocaleString");
AddBuiltin(inst, "toString");
AddBuiltin(inst, "unshift");
}
internal LenientMathObject(ScriptObject parent, FunctionPrototype prototype)
: base(parent)
{
EngineInstance inst = EngineInstance.GetEngineInstance(engine);
abs = Get("abs");
acos = Get("acos");
asin = Get("asin");
atan = Get("atan");
atan2 = Get("atan2");
ceil = Get("ceil");
cos = Get("cos");
exp = Get("exp");
floor = Get("floor");
log = Get("log");
max = Get("max");
min = Get("min");
pow = Get("pow");
random = Get("random");
round = Get("round");
sin = Get("sin");
sqrt = Get("sqrt");
tan = Get("tan");
}
// Constructor.
internal LenientArrayPrototype(ObjectPrototype parent, EngineInstance inst)
: base(parent, inst)
{
constructor = inst.GetArrayConstructor();
concat = Get("concat");
join = Get("join");
pop = Get("pop");
push = Get("push");
reverse = Get("reverse");
shift = Get("shift");
slice = Get("slice");
sort = Get("sort");
splice = Get("splice");
toLocaleString = Get("toLocaleString");
toString = Get("toString");
unshift = Get("unshift");
}
// Construct a new "Object" instance.
private static JSObject ConstructNewObject(VsaEngine engine)
{
return(new JSObject
(EngineInstance.GetEngineInstance(engine)
.GetObjectPrototype()));
}
// Constructor.
internal GlobalObject(VsaEngine engine)
{
// Record the engine for later.
this.engine = engine;
// Create the actual storage value, with no prototype.
globalObject = new JSObject(null, engine);
// Get the instance object for the engine.
EngineInstance inst = EngineInstance.GetEngineInstance(engine);
// Add all of the properties to the global object.
AddBuiltin(inst, "CollectGarbage");
AddBuiltin(inst, "decodeURI");
AddBuiltin(inst, "decodeURIComponent");
AddBuiltin(inst, "encodeURI");
AddBuiltin(inst, "encodeURIComponent");
AddBuiltin(inst, "escape");
AddBuiltin(inst, "eval");
AddBuiltin(inst, "GetObject");
AddBuiltin(inst, "isFinite");
AddBuiltin(inst, "isNaN");
AddBuiltin(inst, "parseFloat");
AddBuiltin(inst, "parseInt");
AddBuiltin(inst, "ScriptEngine");
AddBuiltin(inst, "ScriptEngineBuildVersion");
AddBuiltin(inst, "ScriptEngineMajorVersion");
AddBuiltin(inst, "ScriptEngineMinorVersion");
AddBuiltin(inst, "unescape");
globalObject.Put("Infinity", Double.PositiveInfinity,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete);
globalObject.Put("NaN", Double.NaN,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete);
globalObject.Put("undefined", null,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete);
#if false
AddProperty("ActiveXObject", ActiveXObject);
#endif
AddProperty("Array", Array);
#if false
AddProperty("Boolean", Boolean);
AddProperty("Date", Date);
AddProperty("Enumerator", Enumerator);
AddProperty("Error", Error);
AddProperty("EvalError", EvalError);
#endif
AddProperty("Function", Function);
AddProperty("Math", Math);
AddProperty("Number", Number);
AddProperty("Object", Object);
#if false
AddProperty("RangeError", RangeError);
AddProperty("ReferenceError", ReferenceError);
AddProperty("RegExp", RegExp);
#endif
AddProperty("String", String);
#if false
AddProperty("SyntaxError", SyntaxError);
AddProperty("TypeError", TypeError);
AddProperty("URIError", URIError);
AddProperty("VBArray", VBArray);
#endif
}
// Perform a constructor call on this object.
internal override Object Construct(VsaEngine engine, Object[] args)
{
ArrayObject obj;
int index, len;
if (args.Length != 1)
{
// Construct an array from a list of values.
obj = new ArrayObject
(EngineInstance.GetEngineInstance(engine)
.GetArrayPrototype(), (uint)(args.Length));
len = args.Length;
for (index = 0; index < len; ++index)
{
obj.PutIndex(index, args[index]);
}
}
else if (args[0] is Array)
{
// Wrap an existing array.
Array array = (Array)(args[0]);
if (array.Rank != 1)
{
throw new JScriptException(JSError.TypeMismatch);
}
obj = new ArrayObject.Wrapper
(EngineInstance.GetEngineInstance(engine)
.GetArrayPrototype(), (Array)(args[0]));
}
else
{
// Construct an array from a length value.
switch (Support.TypeCodeForObject(args[0]))
{
case TypeCode.Byte:
case TypeCode.SByte:
case TypeCode.Char:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
{
double num = Convert.ToNumber(args[0]);
uint inum = Convert.ToUInt32(args[0]);
if (num == (double)inum)
{
return(new ArrayObject
(EngineInstance.GetEngineInstance(engine)
.GetArrayPrototype(), inum));
}
else
{
throw new JScriptException
(JSError.ArrayLengthConstructIncorrect);
}
}
// Not reached.
}
// The length is not numeric, so it is actually a value.
obj = new ArrayObject
(EngineInstance.GetEngineInstance(engine)
.GetArrayPrototype());
obj.PutIndex(0, args[0]);
}
return(obj);
}
// Add a builtin method to a prototype.
internal void AddBuiltin(EngineInstance inst, String name)
{
MethodInfo method = GetType().GetMethod(name);
Put(name, new BuiltinFunction
(inst.GetFunctionPrototype(), name, method),
PropertyAttributes.None);
}
// internal constructor
internal MathObject(ScriptObject parent)
: base(parent)
{
EngineInstance inst = EngineInstance.GetEngineInstance(engine);
Put("E", E,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
Put("LN10", LN10,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
Put("LN2", LN2,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
Put("LOG2E", LOG2E,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
Put("LOG10E", LOG10E,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
Put("PI", PI,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
Put("SQRT1_2", SQRT1_2,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
Put("SQRT2", SQRT2,
PropertyAttributes.DontEnum |
PropertyAttributes.DontDelete |
PropertyAttributes.ReadOnly);
AddBuiltin(inst, "abs");
AddBuiltin(inst, "acos");
AddBuiltin(inst, "asin");
AddBuiltin(inst, "atan");
AddBuiltin(inst, "atan2");
AddBuiltin(inst, "ceil");
AddBuiltin(inst, "exp");
AddBuiltin(inst, "floor");
AddBuiltin(inst, "log");
AddBuiltin(inst, "max");
AddBuiltin(inst, "min");
AddBuiltin(inst, "pow");
AddBuiltin(inst, "random");
AddBuiltin(inst, "round");
AddBuiltin(inst, "sin");
AddBuiltin(inst, "sqrt");
AddBuiltin(inst, "tan");
}
// Add a builtin function to the global object.
private void AddBuiltin(EngineInstance inst, string name)
{
MethodInfo method = typeof(GlobalObject).GetMethod(name);
globalObject.Put(name, new BuiltinFunction
(inst.GetFunctionPrototype(), name, method),
PropertyAttributes.None);
}