public virtual void initFromContext (Context cx)
{
setErrorReporter (cx.ErrorReporter);
this.languageVersion = cx.Version;
useDynamicScope = cx.compileFunctionsWithDynamicScopeFlag;
generateDebugInfo = (!cx.GeneratingDebugChanged || cx.GeneratingDebug);
reservedKeywordAsIdentifier = cx.HasFeature (Context.Features.ReservedKeywordAsIdentifier);
allowMemberExprAsFunctionName = cx.HasFeature (Context.Features.MemberExprAsFunctionName);
xmlAvailable = cx.HasFeature (Context.Features.E4x);
getterAndSetterSupport = cx.HasFeature (Context.Features.GetterAndSetter);
optimizationLevel = cx.OptimizationLevel;
generatingSource = cx.GeneratingSource;
activationNames = cx.activationNames;
}
internal static IRef createSpecial (Context cx, object obj, string name)
{
IScriptable target = ScriptConvert.ToObjectOrNull (cx, obj);
if (target == null) {
throw ScriptRuntime.UndefReadError (obj, name);
}
Types type;
if (name.Equals ("__proto__")) {
type = Types.Proto;
}
else if (name.Equals ("__parent__")) {
type = Types.Parent;
}
else {
throw new ArgumentException (name);
}
if (!cx.HasFeature (Context.Features.ParentProtoProperties)) {
// Clear special after checking for valid name!
type = Types.None;
}
return new SpecialRef (target, type, name);
}
/// <summary> The eval function property of the global object.
///
/// See ECMA 15.1.2.1
/// </summary>
public static object evalSpecial(Context cx, IScriptable scope, object thisArg, object [] args, string filename, int lineNumber)
{
if (args.Length < 1)
return Undefined.Value;
object x = args [0];
if (!(x is string)) {
if (cx.HasFeature (Context.Features.StrictEval)) {
throw Context.ReportRuntimeErrorById ("msg.eval.nonstring.strict");
}
string message = ScriptRuntime.GetMessage ("msg.eval.nonstring");
Context.ReportWarning (message);
return x;
}
if (filename == null) {
int [] linep = new int [1];
filename = Context.GetSourcePositionFromStack (linep);
if (filename != null) {
lineNumber = linep [0];
}
else {
filename = "";
}
}
string sourceName = ScriptRuntime.makeUrlForGeneratedScript (true, filename, lineNumber);
ErrorReporter reporter;
reporter = DefaultErrorReporter.ForEval (cx.ErrorReporter);
// Compile with explicit interpreter instance to force interpreter
// mode.
IScript script = cx.CompileString ((string)x, new Interpreter (), reporter, sourceName, 1, (object)null);
((InterpretedFunction)script).idata.evalScriptFlag = true;
ICallable c = (ICallable)script;
return c.Call (cx, scope, (IScriptable)thisArg, ScriptRuntime.EmptyArgs);
}
public static object DoTopCall(ICallable callable, Context cx, IScriptable scope, IScriptable thisObj, object [] args)
{
if (scope == null)
throw new ArgumentException ();
if (cx.topCallScope != null)
throw new ApplicationException ();
object result;
cx.topCallScope = ScriptableObject.GetTopLevelScope (scope);
cx.useDynamicScope = cx.HasFeature (Context.Features.DynamicScope);
ContextFactory f = cx.Factory;
try {
result = f.DoTopCall (callable, cx, scope, thisObj, args);
}
finally {
cx.topCallScope = null;
// Cleanup cached references
cx.cachedXMLLib = null;
if (cx.currentActivationCall != null) {
// Function should always call exitActivationFunction
// if it creates activation record
throw new ApplicationException (
"ActivationCall without exitActivationFunction() invokation."
);
}
}
return result;
}
public static object setName(IScriptable bound, object value, Context cx, IScriptable scope, string id)
{
if (bound != null) {
if (bound is XMLObject) {
XMLObject xmlObject = (XMLObject)bound;
xmlObject.EcmaPut (cx, id, value);
}
else {
ScriptableObject.PutProperty (bound, id, value);
}
}
else {
// "newname = 7;", where 'newname' has not yet
// been defined, creates a new property in the
// top scope unless strict mode is specified.
if (cx.HasFeature (Context.Features.StrictVars)) {
throw Context.ReportRuntimeErrorById ("msg.assn.create.strict", id);
}
// Find the top scope by walking up the scope chain.
bound = ScriptableObject.GetTopLevelScope (scope);
if (cx.useDynamicScope) {
bound = checkDynamicScope (cx.topCallScope, bound);
}
bound.Put (id, bound, value);
}
return value;
}
public static ScriptableObject InitStandardObjects(Context cx, ScriptableObject scope, bool zealed)
{
if (scope == null) {
scope = new BuiltinObject ();
}
scope.AssociateValue (LIBRARY_SCOPE_KEY, scope);
BaseFunction.Init (scope, zealed);
BuiltinObject.Init (scope, zealed);
IScriptable objectProto = ScriptableObject.GetObjectPrototype (scope);
// Function.prototype.__proto__ should be Object.prototype
IScriptable functionProto = ScriptableObject.GetFunctionPrototype (scope);
functionProto.SetPrototype (objectProto);
// Set the prototype of the object passed in if need be
if (scope.GetPrototype () == null)
scope.SetPrototype (objectProto);
// must precede NativeGlobal since it's needed therein
BuiltinError.Init (scope, zealed);
BuiltinGlobal.Init (cx, scope, zealed);
if (scope is BuiltinGlobalObject) {
((BuiltinGlobalObject)scope).Init (scope, zealed);
}
BuiltinArray.Init (scope, zealed);
BuiltinString.Init (scope, zealed);
BuiltinBoolean.Init (scope, zealed);
BuiltinNumber.Init (scope, zealed);
BuiltinDate.Init (scope, zealed);
BuiltinMath.Init (scope, zealed);
BuiltinWith.Init (scope, zealed);
BuiltinCall.Init (scope, zealed);
BuiltinScript.Init (scope, zealed);
BuiltinRegExp.Init (scope, zealed);
if (cx.HasFeature (Context.Features.E4x)) {
Types.E4X.XMLLib.Init (scope, zealed);
}
Continuation.Init (scope, zealed);
if (cx.HasFeature (Context.Features.NonEcmaItObject)) {
InitItObject (cx, scope);
}
return scope;
}
