internal override AST PartiallyEvaluate()
{
this.initializer = this.initializer.PartiallyEvaluate();
ScriptObject current_scope = Globals.ScopeStack.Peek();
while (current_scope is WithObject)
{
current_scope = current_scope.GetParent();
}
if (current_scope is FunctionScope)
{
FunctionScope scope = (FunctionScope)current_scope;
BitArray before = scope.DefinedFlags;
this.condition = this.condition.PartiallyEvaluate();
//Do not need to clear the defined flags because the condition is always completely executed if the body is reached.
this.body = this.body.PartiallyEvaluate();
scope.DefinedFlags = before;
this.incrementer = this.incrementer.PartiallyEvaluate();
scope.DefinedFlags = before;
}
else
{
this.condition = this.condition.PartiallyEvaluate();
this.body = this.body.PartiallyEvaluate();
this.incrementer = this.incrementer.PartiallyEvaluate();
}
IReflect conditiontype = this.condition.InferType(null);
if (conditiontype is FunctionPrototype || conditiontype == Typeob.ScriptFunction)
{
this.context.HandleError(JSError.SuspectLoopCondition);
}
return(this);
}
internal override AST PartiallyEvaluate()
{
this.condition = this.condition.PartiallyEvaluate();
IReflect conditiontype = this.condition.InferType(null);
if (conditiontype is FunctionPrototype || conditiontype == Typeob.ScriptFunction)
{
this.context.HandleError(JSError.SuspectLoopCondition);
}
ScriptObject current_scope = Globals.ScopeStack.Peek();
while (current_scope is WithObject)
{
current_scope = current_scope.GetParent();
}
if (current_scope is FunctionScope)
{
FunctionScope scope = (FunctionScope)current_scope;
BitArray before = scope.DefinedFlags;
this.body = this.body.PartiallyEvaluate();
scope.DefinedFlags = before;
}
else
{
this.body = this.body.PartiallyEvaluate();
}
return(this);
}
internal override AST PartiallyEvaluate()
{
ScriptObject top = Globals.ScopeStack.Peek();
while (top is WithObject)
{
top = top.GetParent();
}
bool isStatic = false;
if (top is FunctionScope)
{
isStatic = ((FunctionScope)top).isStatic && ((FunctionScope)top).isMethod;
}
else if (top is StackFrame)
{
isStatic = ((StackFrame)top).thisObject is Type;
}
if (isStatic)
{
this.context.HandleError(JSError.NotAccessible);
return((new Lookup("this", this.context)).PartiallyEvaluate());
}
return(this);
}
private void AddNameTo(ScriptObject enclosingScope)
{
while (enclosingScope is WithObject)
{
enclosingScope = enclosingScope.GetParent();
}
if (((IActivationObject) enclosingScope).GetLocalField(this.name) == null)
{
FieldInfo info;
if (enclosingScope is ActivationObject)
{
if (enclosingScope is FunctionScope)
{
info = ((ActivationObject) enclosingScope).AddNewField(this.name, null, FieldAttributes.Public);
}
else
{
info = ((ActivationObject) enclosingScope).AddNewField(this.name, null, FieldAttributes.Static | FieldAttributes.Public);
}
}
else
{
info = ((StackFrame) enclosingScope).AddNewField(this.name, null, FieldAttributes.Public);
}
JSLocalField field = info as JSLocalField;
if (field != null)
{
field.debugOn = base.context.document.debugOn;
field.isDefined = true;
}
this.field = (JSVariableField) info;
}
}
internal Call(Context context, AST func, ASTList args, bool inBrackets)
: base(context)
{
this.func = func;
this.args = args == null ? new ASTList(context) : args;
this.argValues = null;
this.outParameterCount = 0;
for (int i = 0, n = this.args.count; i < n; i++)
{
if (this.args[i] is AddressOf)
{
this.outParameterCount++;
}
}
this.isConstructor = false;
this.inBrackets = inBrackets;
this.enclosingFunctionScope = null;
this.alreadyPartiallyEvaluated = false;
this.isAssignmentToDefaultIndexedProperty = false;
ScriptObject scope = Globals.ScopeStack.Peek();
while (!(scope is FunctionScope))
{
scope = scope.GetParent();
if (scope == null)
{
return;
}
}
this.enclosingFunctionScope = (FunctionScope)scope;
}
protected ScriptFunction(ScriptObject parent, String name)
: base(parent, typeof(ScriptFunction))
{
this.ilength = 0;
this.name = name;
this.proto = new JSPrototypeObject(parent.GetParent(), this);
}
internal ScriptFunction(ScriptObject parent, String name, int length)
: base(parent)
{
this.ilength = length;
this.name = name;
this.proto = new JSPrototypeObject(parent.GetParent(), this);
}
internal virtual bool HasInstance(Object ob)
{
if (!(ob is JSObject))
{
return(false);
}
Object proto = this.proto;
if (!(proto is ScriptObject))
{
throw new JScriptException(JSError.InvalidPrototype);
}
ScriptObject parent = ((JSObject)ob).GetParent();
ScriptObject prot = (ScriptObject)proto;
while (parent != null)
{
if (parent == prot)
{
return(true);
}
else if (parent is WithObject)
{
Object wob = ((WithObject)parent).contained_object;
if (wob == prot && wob is ClassScope)
{
return(true);
}
}
parent = parent.GetParent();
}
return(false);
}
internal bool InStaticCode()
{
ScriptObject scope = this.Globals.ScopeStack.Peek();
while (scope is WithObject || scope is BlockScope)
{
scope = scope.GetParent();
}
FunctionScope fscope = scope as FunctionScope;
if (fscope != null)
{
return(fscope.isStatic);
}
StackFrame sframe = scope as StackFrame; //Might be a StackFrame if called from an eval
if (sframe != null)
{
return(sframe.thisObject is Type);
}
ClassScope cscope = scope as ClassScope; //Happens when the initializers of variable declarations are partially evaluated
if (cscope != null)
{
return(cscope.inStaticInitializerCode);
}
return(true);
}
internal Constant(Context context, Lookup identifier, TypeExpression type, AST value, FieldAttributes attributes, CustomAttributeList customAttributes)
: base(context)
{
this.attributes = attributes | FieldAttributes.InitOnly;
this.customAttributes = customAttributes;
this.completion = new Completion();
this.identifier = identifier;
this.name = identifier.ToString();
this.value = value;
ScriptObject current_scope = (ScriptObject)Globals.ScopeStack.Peek();
while (current_scope is WithObject) //Can only happen at run time and only if there is an eval
{
current_scope = current_scope.GetParent();
}
if (current_scope is ClassScope)
{
if (this.name == ((ClassScope)current_scope).name)
{
identifier.context.HandleError(JSError.CannotUseNameOfClass);
this.name = this.name + " const";
}
if (attributes == 0)
{
attributes = FieldAttributes.Public;
}
}
else
{
if (attributes != 0)
{
this.context.HandleError(JSError.NotInsideClass);
}
attributes = FieldAttributes.Public;
}
FieldInfo field = ((IActivationObject)current_scope).GetLocalField(this.name);
if (field != null)
{
identifier.context.HandleError(JSError.DuplicateName, true);
this.name = this.name + " const";
}
if (current_scope is ActivationObject)
{
this.field = ((ActivationObject)current_scope).AddNewField(this.identifier.ToString(), value, attributes);
}
else
{
this.field = ((StackFrame)current_scope).AddNewField(this.identifier.ToString(), value, attributes | FieldAttributes.Static);
}
this.field.type = type;
this.field.customAttributes = customAttributes;
this.field.originalContext = context;
if (this.field is JSLocalField)
{
// emit debug info for the local only if this block of code is in a section that has debug set
((JSLocalField)this.field).debugOn = this.identifier.context.document.debugOn;
}
}
internal TypeBuilder TranslateToILClass(CompilerGlobals compilerGlobals)
{
TypeBuilder classwriter = compilerGlobals.classwriter =
compilerGlobals.module.DefineType("JScript " + (this.Engine.classCounter++).ToString(), TypeAttributes.Public, typeof(GlobalScope), null);
compilerGlobals.classwriter.SetCustomAttribute(new CustomAttributeBuilder(CompilerGlobals.compilerGlobalScopeAttributeCtor, new Object[0]));
//Define a constructor that calls the appropriate constructor on GlobalScope
ConstructorBuilder cons = compilerGlobals.classwriter.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, new Type[] { typeof(GlobalScope) });
ILGenerator il = cons.GetILGenerator();
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Ldfld, CompilerGlobals.engineField);
il.Emit(OpCodes.Call, CompilerGlobals.GlobalScopeConstructor);
il.Emit(OpCodes.Ret);
//Define a method to contain the global code
MethodBuilder mw = classwriter.DefineMethod("Global Code", MethodAttributes.Public, Typeob.Object, null);
il = mw.GetILGenerator();
if (this.Engine.GenerateDebugInfo)
{
ScriptObject ns = this.own_scope.GetParent();
while (ns != null)
{
if (ns is WrappedNamespace && !((WrappedNamespace)ns).name.Equals(""))
{
il.UsingNamespace(((WrappedNamespace)ns).name);
}
ns = ns.GetParent();
}
}
int startLine = this.context.StartLine;
int startCol = this.context.StartColumn;
//this.context.document.EmitLineInfo(il, startLine, startCol, startLine, startCol + 1); // NOTE: make the debugger stop at line 1 in the jscript source instead of in prolog code
Context firstContext = this.GetFirstExecutableContext();
if (firstContext != null)
{
firstContext.EmitFirstLineInfo(il);
}
//Emit code to push the scope onto the stack for use by eval
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Call, CompilerGlobals.pushScriptObjectMethod);
this.TranslateToILInitializer(il);
this.TranslateToIL(il, Typeob.Object);
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.popScriptObjectMethod);
il.Emit(OpCodes.Pop);
il.Emit(OpCodes.Ret);
return(classwriter);
}
private void RemoveNamedItemNamespace()
{
ScriptObject current = (ScriptObject)this.Scope.GetObject(), parent = current.GetParent();
while (parent != null)
{
if (parent is VsaNamedItemScope)
{
if (((VsaNamedItemScope)parent).namedItem == this.hostObject)
{
// take this item out of the parent chain
current.SetParent(parent.GetParent());
break;
}
}
current = parent;
parent = parent.GetParent();
}
}
internal override AST PartiallyEvaluate()
{
VsaEngine engine = this.Engine;
ScriptObject scope = Globals.ScopeStack.Peek();
ClassScope cscope = ClassScope.ScopeOfClassMemberInitializer(scope);
if (null != cscope)
{
if (cscope.inStaticInitializerCode)
{
cscope.staticInitializerUsesEval = true;
}
else
{
cscope.instanceInitializerUsesEval = true;
}
}
if (engine.doFast)
{
engine.PushScriptObject(new BlockScope(scope));
}
else
{
while (scope is WithObject || scope is BlockScope)
{
if (scope is BlockScope)
{
((BlockScope)scope).isKnownAtCompileTime = false;
}
scope = scope.GetParent();
}
}
try
{
this.operand = this.operand.PartiallyEvaluate();
if (this.unsafeOption != null)
{
this.unsafeOption = this.unsafeOption.PartiallyEvaluate();
}
if (this.enclosingFunctionScope != null && this.enclosingFunctionScope.owner == null)
{
this.context.HandleError(JSError.NotYetImplemented);
}
return(this);
}
finally
{
if (engine.doFast)
{
this.Engine.PopScriptObject();
}
}
}
internal override AST PartiallyEvaluate()
{
AST ast;
VsaEngine engine = base.Engine;
ScriptObject parent = base.Globals.ScopeStack.Peek();
ClassScope scope = ClassScope.ScopeOfClassMemberInitializer(parent);
if (scope != null)
{
if (scope.inStaticInitializerCode)
{
scope.staticInitializerUsesEval = true;
}
else
{
scope.instanceInitializerUsesEval = true;
}
}
if (!engine.doFast)
{
while ((parent is WithObject) || (parent is BlockScope))
{
if (parent is BlockScope)
{
((BlockScope)parent).isKnownAtCompileTime = false;
}
parent = parent.GetParent();
}
}
else
{
engine.PushScriptObject(new BlockScope(parent));
}
try
{
this.operand = this.operand.PartiallyEvaluate();
if (this.unsafeOption != null)
{
this.unsafeOption = this.unsafeOption.PartiallyEvaluate();
}
if ((this.enclosingFunctionScope != null) && (this.enclosingFunctionScope.owner == null))
{
base.context.HandleError(JSError.NotYetImplemented);
}
ast = this;
}
finally
{
if (engine.doFast)
{
base.Engine.PopScriptObject();
}
}
return(ast);
}
internal bool IsAccessibleFrom(ScriptObject scope) //Never call this if the member is public
{
while (scope != null && !(scope is ClassScope))
{
scope = scope.GetParent();
}
ClassScope objType = null;
if (this.obj is ClassScope)
{
objType = (ClassScope)this.obj;
}
else
{
objType = (ClassScope)((ScriptObject)this.obj).GetParent();
}
if (this.IsPrivate)
{
if (scope == null)
{
return(false);
}
else
{
return(scope == objType || ((ClassScope)scope).IsNestedIn(objType, this.IsStatic));
}
}
else if (this.IsFamily)
{
if (scope == null)
{
return(false);
}
else
{
return(((ClassScope)scope).IsSameOrDerivedFrom(objType) || ((ClassScope)scope).IsNestedIn(objType, this.IsStatic));
}
}
else //if (this.IsAssembly || this.IsFamilyOrAssembly)
{
if (this.IsFamilyOrAssembly && scope != null &&
(((ClassScope)scope).IsSameOrDerivedFrom(objType) || ((ClassScope)scope).IsNestedIn(objType, this.IsStatic)))
{
return(true);
}
else if (scope == null) //Code is not in a class and hence it is in the default package
{
return(objType.GetPackage() == null); //null indicates default package
}
else
{
return(objType.GetPackage() == ((ClassScope)scope).GetPackage());
}
}
}
internal Constant(Context context, Lookup identifier, TypeExpression type, AST value, FieldAttributes attributes, CustomAttributeList customAttributes) : base(context)
{
this.attributes = attributes | FieldAttributes.InitOnly;
this.customAttributes = customAttributes;
this.completion = new Completion();
this.identifier = identifier;
this.name = identifier.ToString();
this.value = value;
ScriptObject parent = base.Globals.ScopeStack.Peek();
while (parent is WithObject)
{
parent = parent.GetParent();
}
if (parent is ClassScope)
{
if (this.name == ((ClassScope)parent).name)
{
identifier.context.HandleError(JSError.CannotUseNameOfClass);
this.name = this.name + " const";
}
if (attributes == FieldAttributes.PrivateScope)
{
attributes = FieldAttributes.Public;
}
}
else
{
if (attributes != FieldAttributes.PrivateScope)
{
base.context.HandleError(JSError.NotInsideClass);
}
attributes = FieldAttributes.Public;
}
if (((IActivationObject)parent).GetLocalField(this.name) != null)
{
identifier.context.HandleError(JSError.DuplicateName, true);
this.name = this.name + " const";
}
if (parent is ActivationObject)
{
this.field = ((ActivationObject)parent).AddNewField(this.identifier.ToString(), value, attributes);
}
else
{
this.field = ((StackFrame)parent).AddNewField(this.identifier.ToString(), value, attributes | FieldAttributes.Static);
}
this.field.type = type;
this.field.customAttributes = customAttributes;
this.field.originalContext = context;
if (this.field is JSLocalField)
{
((JSLocalField)this.field).debugOn = this.identifier.context.document.debugOn;
}
}
static internal ClassScope ScopeOfClassMemberInitializer(ScriptObject scope) {
while (scope != null) {
if (scope is FunctionScope)
return null;
ClassScope cscope = scope as ClassScope;
if (cscope != null)
return cscope;
scope = scope.GetParent();
}
return null;
}
protected override Object GetObject()
{
Object result;
ScriptObject scope = Globals.ScopeStack.Peek();
if (this.member is JSMemberField)
{
while (scope != null)
{
StackFrame sf = scope as StackFrame;
if (sf != null)
{
result = sf.closureInstance; goto finish;
}
scope = scope.GetParent();
}
return(null);
}
for (int i = this.evalLexLevel; i > 0; i--)
{
scope = scope.GetParent();
}
result = scope;
finish:
if (this.defaultMember != null)
{
switch (this.defaultMember.MemberType)
{
case MemberTypes.Field: return(((FieldInfo)this.defaultMember).GetValue(result));
case MemberTypes.Method: return(((MethodInfo)this.defaultMember).Invoke(result, new Object[0]));
case MemberTypes.Property: return(((PropertyInfo)this.defaultMember).GetValue(result, null));
case MemberTypes.Event: return(null);
case MemberTypes.NestedType: return(member);
}
}
return(result);
}
internal override AST PartiallyEvaluate()
{
if (this.type != null)
{
this.type.PartiallyEvaluate();
((JSVariableField)this.field).type = type;
}
else if (this.field is JSLocalField)
{
((JSLocalField)this.field).SetInferredType(Typeob.Object, null); //This should never give an error
}
ScriptObject current_scope = Globals.ScopeStack.Peek();
while (current_scope is WithObject)
{
current_scope = current_scope.GetParent();
}
FunctionScope scope = null;
BitArray before = null;
if (current_scope is FunctionScope)
{
scope = (FunctionScope)current_scope;
before = scope.DefinedFlags;
}
this.body = this.body.PartiallyEvaluate();
if (this.handler != null)
{
if (this.handler_scope != null)
{
Globals.ScopeStack.Push(this.handler_scope);
}
if (this.field is JSLocalField)
{
((JSLocalField)this.field).isDefined = true;
}
this.handler = this.handler.PartiallyEvaluate();
if (this.handler_scope != null)
{
Globals.ScopeStack.Pop();
}
}
if (this.finally_block != null)
{
this.finally_block = this.finally_block.PartiallyEvaluate();
}
if (scope != null)
{
scope.DefinedFlags = before;
}
return(this);
}
internal override AST PartiallyEvaluate()
{
if (this.type != null)
{
this.type.PartiallyEvaluate();
((JSVariableField)this.field).type = this.type;
}
else if (this.field is JSLocalField)
{
((JSLocalField)this.field).SetInferredType(Typeob.Object, null);
}
ScriptObject parent = base.Globals.ScopeStack.Peek();
while (parent is WithObject)
{
parent = parent.GetParent();
}
FunctionScope scope = null;
BitArray definedFlags = null;
if (parent is FunctionScope)
{
scope = (FunctionScope)parent;
definedFlags = scope.DefinedFlags;
}
this.body = this.body.PartiallyEvaluate();
if (this.handler != null)
{
if (this.handler_scope != null)
{
base.Globals.ScopeStack.Push(this.handler_scope);
}
if (this.field is JSLocalField)
{
((JSLocalField)this.field).isDefined = true;
}
this.handler = this.handler.PartiallyEvaluate();
if (this.handler_scope != null)
{
base.Globals.ScopeStack.Pop();
}
}
if (this.finally_block != null)
{
this.finally_block = this.finally_block.PartiallyEvaluate();
}
if (scope != null)
{
scope.DefinedFlags = definedFlags;
}
return(this);
}
internal override AST PartiallyEvaluate()
{
if (!(this.classob.GetParent() is GlobalScope))
{
return(this); //The class has already been partially evaluated
}
this.baseType.PartiallyEvaluate();
IReflect ir = this.baseType.ToIReflect();
Type bt = null;
if (!(ir is Type) || !Convert.IsPrimitiveIntegerType(bt = (Type)ir))
{
this.baseType.context.HandleError(JSError.InvalidBaseTypeForEnum);
this.baseType = new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
bt = Typeob.Int32;
}
if (this.customAttributes != null)
{
this.customAttributes.PartiallyEvaluate();
}
if (this.NeedsToBeCheckedForCLSCompliance())
{
if (!TypeExpression.TypeIsCLSCompliant(ir))
{
this.baseType.context.HandleError(JSError.NonCLSCompliantType);
}
this.CheckMemberNamesForCLSCompliance();
}
ScriptObject scope = this.enclosingScope;
while (!(scope is GlobalScope) && !(scope is PackageScope))
{
scope = scope.GetParent();
}
this.classob.SetParent(new WithObject(scope, typeof(Enum), true));
Globals.ScopeStack.Push(this.classob);
try{
foreach (FieldInfo f in this.fields)
{
JSMemberField field = (JSMemberField)f;
((EnumWrapper)field.value).CoerceToBaseType(bt, field.originalContext);
}
}finally{
Globals.ScopeStack.Pop();
}
return(this);
}
internal bool IsAccessibleFrom(ScriptObject scope)
{
while ((scope != null) && !(scope is ClassScope))
{
scope = scope.GetParent();
}
ClassScope other = null;
if (base.obj is ClassScope)
{
other = (ClassScope)base.obj;
}
else
{
other = (ClassScope)base.obj.GetParent();
}
if (base.IsPrivate)
{
if (scope == null)
{
return(false);
}
if (scope != other)
{
return(((ClassScope)scope).IsNestedIn(other, base.IsStatic));
}
return(true);
}
if (base.IsFamily)
{
if (scope == null)
{
return(false);
}
if (!((ClassScope)scope).IsSameOrDerivedFrom(other))
{
return(((ClassScope)scope).IsNestedIn(other, base.IsStatic));
}
return(true);
}
if ((base.IsFamilyOrAssembly && (scope != null)) && (((ClassScope)scope).IsSameOrDerivedFrom(other) || ((ClassScope)scope).IsNestedIn(other, base.IsStatic)))
{
return(true);
}
if (scope == null)
{
return(other.GetPackage() == null);
}
return(other.GetPackage() == ((ClassScope)scope).GetPackage());
}
private void RemoveNamedItemNamespace()
{
ScriptObject obj2 = (ScriptObject)this.Scope.GetObject();
for (ScriptObject obj3 = obj2.GetParent(); obj3 != null; obj3 = obj3.GetParent())
{
if ((obj3 is VsaNamedItemScope) && (((VsaNamedItemScope)obj3).namedItem == this.hostObject))
{
obj2.SetParent(obj3.GetParent());
return;
}
obj2 = obj3;
}
}
internal override object Evaluate()
{
ScriptObject parent = base.Globals.ScopeStack.Peek();
while ((parent is WithObject) || (parent is BlockScope))
{
parent = parent.GetParent();
}
if (parent is StackFrame)
{
return(((StackFrame)parent).thisObject);
}
return(((GlobalScope)parent).thisObject);
}
internal override void TranslateToILInitializer(ILGenerator il)
{
ScriptObject parent = base.Engine.ScriptObjectStackTop();
while ((parent != null) && ((parent is WithObject) || (parent is BlockScope)))
{
parent = parent.GetParent();
}
if (parent is FunctionScope)
{
base.EmitILToLoadEngine(il);
il.Emit(OpCodes.Pop);
}
il.Emit(OpCodes.Ldsfld, (FieldInfo)this.regExpVar.GetMetaData());
Label label = il.DefineLabel();
il.Emit(OpCodes.Brtrue_S, label);
base.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.getOriginalRegExpConstructorMethod);
il.Emit(OpCodes.Ldstr, this.source);
if (this.ignoreCase)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
if (this.global)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
if (this.multiline)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
il.Emit(OpCodes.Call, CompilerGlobals.regExpConstructMethod);
il.Emit(OpCodes.Castclass, Typeob.RegExpObject);
il.Emit(OpCodes.Stsfld, (FieldInfo)this.regExpVar.GetMetaData());
il.MarkLabel(label);
}
internal override AST PartiallyEvaluate()
{
if (base.classob.GetParent() is GlobalScope)
{
this.baseType.PartiallyEvaluate();
IReflect reflect = this.baseType.ToIReflect();
Type bt = null;
if (!(reflect is Type) || !Microsoft.JScript.Convert.IsPrimitiveIntegerType(bt = (Type)reflect))
{
this.baseType.context.HandleError(JSError.InvalidBaseTypeForEnum);
this.baseType = new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
bt = Typeob.Int32;
}
if (base.customAttributes != null)
{
base.customAttributes.PartiallyEvaluate();
}
if (base.NeedsToBeCheckedForCLSCompliance())
{
if (!TypeExpression.TypeIsCLSCompliant(reflect))
{
this.baseType.context.HandleError(JSError.NonCLSCompliantType);
}
base.CheckMemberNamesForCLSCompliance();
}
ScriptObject enclosingScope = base.enclosingScope;
while (!(enclosingScope is GlobalScope) && !(enclosingScope is PackageScope))
{
enclosingScope = enclosingScope.GetParent();
}
base.classob.SetParent(new WithObject(enclosingScope, Typeob.Enum, true));
base.Globals.ScopeStack.Push(base.classob);
try
{
JSMemberField[] fields = base.fields;
for (int i = 0; i < fields.Length; i++)
{
FieldInfo info = fields[i];
JSMemberField field = (JSMemberField)info;
((DeclaredEnumValue)field.value).CoerceToBaseType(bt, field.originalContext);
}
}
finally
{
base.Globals.ScopeStack.Pop();
}
}
return(this);
}
internal override void TranslateToILInitializer(ILGenerator il)
{
ScriptObject scope = this.Engine.ScriptObjectStackTop();
while (scope != null && (scope is WithObject || scope is BlockScope))
{
scope = scope.GetParent();
}
if (scope is FunctionScope)
{
this.EmitILToLoadEngine(il); //Make sure engine gets initialized every time function is entered
il.Emit(OpCodes.Pop);
}
il.Emit(OpCodes.Ldsfld, (FieldInfo)this.regExpVar.GetMetaData());
Label exit = il.DefineLabel();
il.Emit(OpCodes.Brtrue_S, exit);
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.getOriginalRegExpConstructorMethod);
il.Emit(OpCodes.Ldstr, this.source);
if (this.ignoreCase)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
if (this.global)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
if (this.multiline)
{
il.Emit(OpCodes.Ldc_I4_1);
}
else
{
il.Emit(OpCodes.Ldc_I4_0);
}
il.Emit(OpCodes.Call, CompilerGlobals.regExpConstructMethod);
il.Emit(OpCodes.Castclass, Typeob.RegExpObject);
il.Emit(OpCodes.Stsfld, (FieldInfo)this.regExpVar.GetMetaData());
il.MarkLabel(exit);
}
internal ScriptFunction(ScriptObject parent, String name, int numParams)
: base(parent)
{
this.name = name;
this.lengthValue = numParams;
if (parent != null)
{
this.prototypeValue =
new JSPrototypeObject(parent.GetParent(), this);
}
else
{
this.prototypeValue = Missing.Value;
}
}
internal override Object Evaluate()
{
ScriptObject scope = Globals.ScopeStack.Peek();
Object value = null;
if (this.initializer != null)
{
value = this.initializer.Evaluate();
}
if (this.type != null)
{
value = Convert.Coerce(value, this.type);
}
else
{
while (scope is BlockScope)
{
scope = scope.GetParent();
}
if (scope is WithObject)
{
this.identifier.SetWithValue((WithObject)scope, value);
}
while (scope is WithObject || scope is BlockScope)
{
scope = scope.GetParent();
}
if (this.initializer == null && !(this.field.value is Missing))
{
this.completion.value = this.field.value;
return(this.completion);
}
}
this.field.SetValue(scope, this.completion.value = value);
return(this.completion);
}
internal override object Evaluate()
{
ScriptObject parent = base.Globals.ScopeStack.Peek();
object obj3 = null;
if (this.initializer != null)
{
obj3 = this.initializer.Evaluate();
}
if (this.type == null)
{
while (parent is BlockScope)
{
parent = parent.GetParent();
}
if (parent is WithObject)
{
this.identifier.SetWithValue((WithObject)parent, obj3);
}
while ((parent is WithObject) || (parent is BlockScope))
{
parent = parent.GetParent();
}
if ((this.initializer == null) && !(this.field.value is Microsoft.JScript.Missing))
{
this.completion.value = this.field.value;
return(this.completion);
}
}
else
{
obj3 = Microsoft.JScript.Convert.Coerce(obj3, this.type);
}
this.field.SetValue(parent, this.completion.value = obj3);
return(this.completion);
}
internal ScriptFunction(ScriptObject parent, String name, int numParams)
: base(parent)
{
this.name = name;
this.lengthValue = numParams;
if(parent != null)
{
this.prototypeValue =
new JSPrototypeObject(parent.GetParent(), this);
}
else
{
this.prototypeValue = Missing.Value;
}
}
// Constructors.
protected ScriptFunction(ScriptObject parent, String name)
: base(parent)
{
this.name = name;
this.lengthValue = length;
if(parent != null)
{
this.prototypeValue =
new JSPrototypeObject(parent.GetParent(), this);
}
else
{
this.prototypeValue = Missing.Value;
}
}
// Constructors.
protected ScriptFunction(ScriptObject parent, String name)
: base(parent)
{
this.name = name;
this.lengthValue = length;
if (parent != null)
{
this.prototypeValue =
new JSPrototypeObject(parent.GetParent(), this);
}
else
{
this.prototypeValue = Missing.Value;
}
}
//Run up the scope chain until a FunctionScope or GlobalScope/StackFrame is encountered.
//For a FunctionScope, defer to the owner.
//For a ClassScope, get the engine from a CRS static, or make a new engine
//For the GlobalScope, load the corresponding field of the this object.
internal void EmitILToLoadEngine(ILGenerator il)
{
ScriptObject scope = this.Engine.ScriptObjectStackTop();
while (scope != null && (scope is WithObject || scope is BlockScope))
{
scope = scope.GetParent();
}
if (scope is FunctionScope)
{
((FunctionScope)scope).owner.TranslateToILToLoadEngine(il);
}
/*
* else //inside a static initializer
* if (this.Engine.doCRS)
* il.Emit(OpCodes.Ldsfld, CompilerGlobals.contextEngineField);
* else
* il.Emit(OpCodes.Call, CompilerGlobals.createVsaEngine);*/
else if (scope is ClassScope) //Inside a static initializer routine
{
if (this.Engine.doCRS)
{
il.Emit(OpCodes.Ldsfld, CompilerGlobals.contextEngineField);
}
else
{
if (this.context.document.engine.PEFileKind == PEFileKinds.Dll)
{
il.Emit(OpCodes.Ldtoken, ((ClassScope)scope).GetTypeBuilder());
il.Emit(OpCodes.Call, CompilerGlobals.createVsaEngineWithType);
}
else
{
il.Emit(OpCodes.Call, CompilerGlobals.createVsaEngine);
}
}
}
else
{
//NOTE: a StackFrame is ecountered at compile time only when there is an eval.
//Eval does not translate to IL so we should only get here if the scope is a GlobalScope
Debug.Assert(scope is GlobalScope);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldfld, CompilerGlobals.engineField);
}
}
void AddNameTo(ScriptObject enclosingScope){
while (enclosingScope is WithObject) //Can only happen at run time and only if there is an eval
enclosingScope = enclosingScope.GetParent();
FieldInfo field = ((IActivationObject)enclosingScope).GetLocalField(this.name);
if (field != null) return;
if (enclosingScope is ActivationObject)
if (enclosingScope is FunctionScope)
field = ((ActivationObject)enclosingScope).AddNewField(this.name, null, FieldAttributes.Public);
else
field = ((ActivationObject)enclosingScope).AddNewField(this.name, null, FieldAttributes.Public|FieldAttributes.Static);
else
field = ((StackFrame)enclosingScope).AddNewField(this.name, null, FieldAttributes.Public);
JSLocalField lfield = field as JSLocalField;
if (lfield != null){
// emit debug info for the local only if this block of code is in a section that has debug set
lfield.debugOn = this.context.document.debugOn;
lfield.isDefined = true;
}
this.field = (JSVariableField)field;
}
internal bool IsAccessibleFrom(ScriptObject scope)
{
while ((scope != null) && !(scope is ClassScope))
{
scope = scope.GetParent();
}
ClassScope other = (ClassScope) this.cons.enclosing_scope;
if (base.IsPrivate)
{
if (scope == null)
{
return false;
}
if (scope != other)
{
return ((ClassScope) scope).IsNestedIn(other, false);
}
return true;
}
if (base.IsFamily)
{
if (scope == null)
{
return false;
}
if (!((ClassScope) scope).IsSameOrDerivedFrom(other))
{
return ((ClassScope) scope).IsNestedIn(other, false);
}
return true;
}
if ((base.IsFamilyOrAssembly && (scope != null)) && (((ClassScope) scope).IsSameOrDerivedFrom(other) || ((ClassScope) scope).IsNestedIn(other, false)))
{
return true;
}
if (scope == null)
{
return (other.GetPackage() == null);
}
return (other.GetPackage() == ((ClassScope) scope).GetPackage());
}
internal static ClassScope ScopeOfClassMemberInitializer(ScriptObject scope)
{
while (scope != null)
{
if (scope is FunctionScope)
{
return null;
}
ClassScope scope2 = scope as ClassScope;
if (scope2 != null)
{
return scope2;
}
scope = scope.GetParent();
}
return null;
}
protected ScriptFunction(ScriptObject parent, String name)
: base(parent, Typeob.ScriptFunction) {
this.ilength = length;
this.name = name;
this.proto = new JSPrototypeObject(parent.GetParent(), this);
}
private static bool InsideClassThatExtends(ScriptObject scope, Type type){
while (scope is WithObject || scope is BlockScope)
scope = scope.GetParent();
if (scope is ClassScope)
return type.IsAssignableFrom(((ClassScope)scope).GetBakedSuperType());
if (scope is FunctionScope)
return Binding.InsideClassThatExtends(((FunctionScope)scope).owner.enclosing_scope, type);
//Eval does not see non public members, so don't worry about StackFrame
return false;
}
internal ScriptFunction(ScriptObject parent, string name, int length) : base(parent)
{
this.ilength = length;
this.name = name;
this.proto = new JSPrototypeObject(parent.GetParent(), this);
}
protected ScriptFunction(ScriptObject parent, string name) : base(parent, typeof(ScriptFunction))
{
this.ilength = 0;
this.name = name;
this.proto = new JSPrototypeObject(parent.GetParent(), this);
}
internal bool IsAccessibleFrom(ScriptObject scope){ //Never call this if the member is public
while (scope != null && !(scope is ClassScope))
scope = scope.GetParent();
ClassScope objType = null;
if (this.obj is ClassScope)
objType = (ClassScope)this.obj;
else
objType = (ClassScope)((ScriptObject)this.obj).GetParent();
if (this.IsPrivate)
if (scope == null)
return false;
else
return scope == objType || ((ClassScope)scope).IsNestedIn(objType, this.IsStatic);
else if (this.IsFamily)
if (scope == null)
return false;
else
return ((ClassScope)scope).IsSameOrDerivedFrom(objType) || ((ClassScope)scope).IsNestedIn(objType, this.IsStatic);
else //if (this.IsAssembly)
if (scope == null) //Code is not in a class and hence it is in the default package
return objType.GetPackage() == null; //null indicates default package
else
return objType.GetPackage() == ((ClassScope)scope).GetPackage();
}
// Initialize the prototype value from a subclass.
internal void InitPrototype(ScriptObject parent)
{
this.prototypeValue =
new JSPrototypeObject(parent.GetParent(), this);
}
internal bool IsAccessibleFrom(ScriptObject scope){ //Never call this if the member is public
while (scope != null && !(scope is ClassScope))
scope = scope.GetParent();
ClassScope thisScope = (ClassScope)this.cons.enclosing_scope;
if (this.IsPrivate)
if (scope == null)
return false;
else
return scope == thisScope || ((ClassScope)scope).IsNestedIn(thisScope, false);
else if (this.IsFamily)
if (scope == null)
return false;
else
return ((ClassScope)scope).IsSameOrDerivedFrom(thisScope) || ((ClassScope)scope).IsNestedIn(thisScope, false);
else { // if (this.IsAssembly || this.isFamilyOrAssembly)
if (this.IsFamilyOrAssembly && scope != null &&
(((ClassScope)scope).IsSameOrDerivedFrom(thisScope) || ((ClassScope)scope).IsNestedIn(thisScope, false)))
return true;
else if (scope == null) //Code is not in a class and hence it is in the default package
return thisScope.GetPackage() == null; //null indicates default package
else
return thisScope.GetPackage() == ((ClassScope)scope).GetPackage();
}
}
