internal BuiltinCall(BuiltinFunction function, IScriptable scope, object [] args)
{
this.function = function;
ParentScope = scope;
// leave prototype null
this.originalArgs = (args == null) ? ScriptRuntime.EmptyArgs : args;
// initialize values of arguments
int paramAndVarCount = function.ParamAndVarCount;
int paramCount = function.ParamCount;
if (paramAndVarCount != 0) {
for (int i = 0; i != paramCount; ++i) {
string name = function.getParamOrVarName (i);
object val = i < args.Length ? args [i] : Undefined.Value;
DefineProperty (name, val, PERMANENT);
}
}
// initialize "arguments" property but only if it was not overriden by
// the parameter with the same name
if (!base.Has ("arguments", this)) {
DefineProperty ("arguments", new Arguments (this), PERMANENT);
}
if (paramAndVarCount != 0) {
for (int i = paramCount; i != paramAndVarCount; ++i) {
string name = function.getParamOrVarName (i);
if (!base.Has (name, this)) {
DefineProperty (name, Undefined.Value, PERMANENT);
}
}
}
}
internal BuiltinCall(BuiltinFunction function, IScriptable scope, object [] args)
{
this.function = function;
ParentScope = scope;
// leave prototype null
this.originalArgs = (args == null) ? ScriptRuntime.EmptyArgs : args;
// initialize values of arguments
int paramAndVarCount = function.ParamAndVarCount;
int paramCount = function.ParamCount;
if (paramAndVarCount != 0)
{
for (int i = 0; i != paramCount; ++i)
{
string name = function.getParamOrVarName(i);
object val = i < args.Length ? args [i] : Undefined.Value;
DefineProperty(name, val, PERMANENT);
}
}
// initialize "arguments" property but only if it was not overriden by
// the parameter with the same name
if (!base.Has("arguments", this))
{
DefineProperty("arguments", new Arguments(this), PERMANENT);
}
if (paramAndVarCount != 0)
{
for (int i = paramCount; i != paramAndVarCount; ++i)
{
string name = function.getParamOrVarName(i);
if (!base.Has(name, this))
{
DefineProperty(name, Undefined.Value, PERMANENT);
}
}
}
}
public static IScriptable createFunctionActivation(BuiltinFunction funObj, IScriptable scope, object [] args)
{
return new BuiltinCall (funObj, scope, args);
}
public static void initScript(BuiltinFunction funObj, IScriptable thisObj, Context cx, IScriptable scope, bool evalScript)
{
if (cx.topCallScope == null)
throw new ApplicationException ();
int varCount = funObj.ParamAndVarCount;
if (varCount != 0) {
IScriptable varScope = scope;
// Never define any variables from var statements inside with
// object. See bug 38590.
while (varScope is BuiltinWith) {
varScope = varScope.ParentScope;
}
for (int i = varCount; i-- != 0; ) {
string name = funObj.getParamOrVarName (i);
// Don't overwrite existing def if already defined in object
// or prototypes of object.
if (!ScriptableObject.HasProperty (scope, name)) {
if (!evalScript) {
// Global var definitions are supposed to be DONTDELETE
ScriptableObject.DefineProperty (varScope, name, Undefined.Value, ScriptableObject.PERMANENT);
}
else {
varScope.Put (name, varScope, Undefined.Value);
}
}
}
}
}
public static void initFunction(Context cx, IScriptable scope, BuiltinFunction function, int type, bool fromEvalCode)
{
if (type == FunctionNode.FUNCTION_STATEMENT) {
string name = function.FunctionName;
if (name != null && name.Length != 0) {
if (!fromEvalCode) {
// ECMA specifies that functions defined in global and
// function scope outside eval should have DONTDELETE set.
ScriptableObject.DefineProperty (scope, name, function, ScriptableObject.PERMANENT);
}
else {
scope.Put (name, scope, function);
}
}
}
else if (type == FunctionNode.FUNCTION_EXPRESSION_STATEMENT) {
string name = function.FunctionName;
if (name != null && name.Length != 0) {
// Always put function expression statements into initial
// activation object ignoring the with statement to follow
// SpiderMonkey
while (scope is BuiltinWith) {
scope = scope.ParentScope;
}
scope.Put (name, scope, function);
}
}
else {
throw Context.CodeBug ();
}
}