public Closure (FunctionObject func)
{
this._prototype = func._prototype;
this.method = func.method;
this.vsa_engine = func.vsa_engine;
this.func = func;
}
public Closure(FunctionObject func)
{
this._prototype = func._prototype;
this.method = func.method;
this.vsa_engine = func.vsa_engine;
this.func = func;
}
internal StaticInitializer(Context context, Block body, FunctionScope own_scope) : base(context)
{
this.func = new FunctionObject(null, new ParameterDeclaration[0], null, body, own_scope, base.Globals.ScopeStack.Peek(), context, MethodAttributes.Static | MethodAttributes.Private);
this.func.isMethod = true;
this.func.hasArgumentsObject = false;
this.completion = new Completion();
}
internal FunctionExpression(AST parent, string name,
FormalParameterList p,
string return_type, Block body, Location location)
: base(parent, location)
{
func_obj = new FunctionObject(name, p, return_type, body, location);
}
internal void CheckOverloadsForDuplicates()
{
JSMemberField current = this;
while (current != null)
{
FunctionObject func = current.value as FunctionObject;
if (func == null)
{
return;
}
for (JSMemberField next = current.nextOverload; next != null; next = next.nextOverload)
{
FunctionObject f = (FunctionObject)next.value;
if (f.implementedIface != func.implementedIface)
{
continue;
}
if (Class.ParametersMatch(f.parameter_declarations, func.parameter_declarations))
{
func.funcContext.HandleError(JSError.DuplicateMethod);
f.funcContext.HandleError(JSError.DuplicateMethod);
break;
}
}
current = current.nextOverload;
}
}
internal FunctionScope(ScriptObject parent, bool isMethod) : base(parent)
{
base.isKnownAtCompileTime = true;
this.isMethod = isMethod;
this.mustSaveStackLocals = false;
if ((parent != null) && (parent is ActivationObject))
{
base.fast = ((ActivationObject)parent).fast;
}
else
{
base.fast = false;
}
this.returnVar = null;
this.owner = null;
this.isStatic = false;
this.nested_functions = null;
this.fields_for_nested_functions = null;
if (parent is FunctionScope)
{
this.ProvidesOuterScopeLocals = new SimpleHashtable(0x10);
}
else
{
this.ProvidesOuterScopeLocals = null;
}
this.closuresMightEscape = false;
}
public Closure(FunctionObject func) : this(func, null)
{
if (func.enclosing_scope is Microsoft.JScript.StackFrame)
{
this.enclosing_scope = func.enclosing_scope;
}
}
internal FunctionScope(ScriptObject parent, bool isMethod) : base(parent)
{
base.isKnownAtCompileTime = true;
this.isMethod = isMethod;
this.mustSaveStackLocals = false;
if ((parent != null) && (parent is ActivationObject))
{
base.fast = ((ActivationObject) parent).fast;
}
else
{
base.fast = false;
}
this.returnVar = null;
this.owner = null;
this.isStatic = false;
this.nested_functions = null;
this.fields_for_nested_functions = null;
if (parent is FunctionScope)
{
this.ProvidesOuterScopeLocals = new SimpleHashtable(0x10);
}
else
{
this.ProvidesOuterScopeLocals = null;
}
this.closuresMightEscape = false;
}
public Closure(FunctionObject func) : this(func, null)
{
if (func.enclosing_scope is Microsoft.JScript.StackFrame)
{
this.enclosing_scope = func.enclosing_scope;
}
}
internal FunctionExpression (AST parent, string name,
FormalParameterList p,
string return_type, Block body, Location location)
: base (parent, location)
{
func_obj = new FunctionObject (name, p, return_type, body, location);
}
internal StaticInitializer(Context context, Block body, FunctionScope own_scope)
: base(context) {
this.func = new FunctionObject(null, new ParameterDeclaration[0], null, body, own_scope, Globals.ScopeStack.Peek(), context, MethodAttributes.Private|MethodAttributes.Static);
this.func.isMethod = true;
this.func.hasArgumentsObject = false;
this.completion = new Completion();
}
internal JSMemberField AddOverload(FunctionObject func, FieldAttributes attributeFlags){
JSMemberField last = this;
while (last.nextOverload != null) last = last.nextOverload;
JSMemberField f = last.nextOverload = new JSMemberField((ClassScope)this.obj, this.Name, func, attributeFlags);
f.type = this.type;
return f;
}
public Closure(FunctionObject func)
: this(func, null)
{
if (func.enclosing_scope is StackFrame)
{
this.enclosing_scope = func.enclosing_scope;
}
}
public static Closure JScriptFunctionDeclaration(RuntimeTypeHandle handle, String name, String method_name, String[] formal_parameters,
JSLocalField[] fields, bool must_save_stack_locals, bool hasArgumentsObject, String text, Object declaringObject, VsaEngine engine)
{
Type t = Type.GetTypeFromHandle(handle);
FunctionObject func = new FunctionObject(t, name, method_name, formal_parameters, fields, must_save_stack_locals, hasArgumentsObject, text, engine);
return(new Closure(func, declaringObject));
}
public static FunctionObject JScriptFunctionExpression(RuntimeTypeHandle handle, String name, String method_name, String[] formal_params, JSLocalField[] fields,
bool must_save_stack_locals, bool hasArgumentsObject, String text, VsaEngine engine)
{
Type t = Type.GetTypeFromHandle(handle);
FunctionObject result = new FunctionObject(t, name, method_name, formal_params, fields, must_save_stack_locals, hasArgumentsObject, text, engine);
return(result);
}
internal JSVariableField AddNewField(String name, FieldAttributes attributeFlags, FunctionObject func){
if (this.nested_functions == null){
this.nested_functions = new ArrayList();
this.fields_for_nested_functions = new ArrayList();
}
this.nested_functions.Add(func);
JSVariableField result = this.AddNewField(name, (Object)func, attributeFlags);
this.fields_for_nested_functions.Add(result);
return result;
}
internal ArgumentsObject(ScriptObject parent, object[] arguments, FunctionObject function, Closure callee, ScriptObject scope, ArgumentsObject caller) : base(parent)
{
this.arguments = arguments;
this.formal_names = function.formal_parameters;
this.scope = scope;
this.callee = callee;
this.caller = caller;
this.length = arguments.Length;
base.noExpando = false;
}
internal ArgumentsObject(ScriptObject parent, Object[] arguments, FunctionObject function, Closure callee, ScriptObject scope, ArgumentsObject caller)
: base(parent) {
this.arguments = arguments;
this.formal_names = function.formal_parameters;
this.scope = scope;
this.callee = callee;
this.caller = caller;
this.length = arguments.Length;
this.noExpando = false;
}
internal JSFieldMethod(FieldInfo field, Object obj)
: base(obj){ //The object is never used, but it is convenient to have the field on JSMethod.
this.field = field;
this.func = null;
if (!field.IsLiteral)
return;
//If we get here, we know at compile time what function we are calling via the field. I.e. we're in fast mode.
Object val = field is JSVariableField ? ((JSVariableField)field).value : field.GetValue(null);
if (val is FunctionObject)
this.func = (FunctionObject)val;
}
internal JSMemberField AddOverload(FunctionObject func, FieldAttributes attributeFlags)
{
JSMemberField nextOverload = this;
while (nextOverload.nextOverload != null)
{
nextOverload = nextOverload.nextOverload;
}
JSMemberField field2 = nextOverload.nextOverload = new JSMemberField((ClassScope) base.obj, this.Name, func, attributeFlags);
field2.type = base.type;
return field2;
}
internal JSVariableField AddNewField(string name, FieldAttributes attributeFlags, FunctionObject func)
{
if (this.nested_functions == null)
{
this.nested_functions = new ArrayList();
this.fields_for_nested_functions = new ArrayList();
}
this.nested_functions.Add(func);
JSVariableField field = this.AddNewField(name, func, attributeFlags);
this.fields_for_nested_functions.Add(field);
return field;
}
public static FunctionObject JScriptFunctionExpression (RuntimeTypeHandle handle, string name,
string methodName, string [] formalParams,
JSLocalField [] fields, bool mustSaveStackLocals,
bool hasArgumentsObject, string text,
VsaEngine engine)
{
MethodInfo method = engine.ScriptObjectStackTop ().GetType ().GetMethod (methodName);
FunctionObject fun = new FunctionObject (method);
fun.source = text;
fun.vsa_engine = engine;
return fun;
}
public static Closure JScriptFunctionDeclaration(RuntimeTypeHandle handle, string name,
string methodName, string [] formalParameters,
JSLocalField [] fields, bool mustSaveStackLocals,
bool hasArgumentsObjects, string text,
Object declaringObject, VsaEngine engine)
{
FunctionObject f = new FunctionObject (name, null, null, null, null);
f.source = text;
MethodInfo method = engine.ScriptObjectStackTop ().GetType ().GetMethod (methodName);
f.method = method;
f.vsa_engine = engine;
return new Closure (f);
}
public static FunctionObject JScriptFunctionExpression(RuntimeTypeHandle handle, string name,
string methodName, string [] formalParams,
JSLocalField [] fields, bool mustSaveStackLocals,
bool hasArgumentsObject, string text,
VsaEngine engine)
{
MethodInfo method = engine.ScriptObjectStackTop().GetType().GetMethod(methodName);
FunctionObject fun = new FunctionObject(method);
fun.source = text;
fun.vsa_engine = engine;
return(fun);
}
internal JSMemberField AddOverload(FunctionObject func, FieldAttributes attributeFlags)
{
JSMemberField last = this;
while (last.nextOverload != null)
{
last = last.nextOverload;
}
JSMemberField f = last.nextOverload = new JSMemberField((ClassScope)this.obj, this.Name, func, attributeFlags);
f.type = this.type;
return(f);
}
internal JSFieldMethod(FieldInfo field, object obj) : base(obj)
{
this.field = field;
this.func = null;
if (field.IsLiteral)
{
object obj2 = (field is JSVariableField) ? ((JSVariableField)field).value : field.GetValue(null);
if (obj2 is FunctionObject)
{
this.func = (FunctionObject)obj2;
}
}
}
internal JSMemberField AddOverload(FunctionObject func, FieldAttributes attributeFlags)
{
JSMemberField nextOverload = this;
while (nextOverload.nextOverload != null)
{
nextOverload = nextOverload.nextOverload;
}
JSMemberField field2 = nextOverload.nextOverload = new JSMemberField((ClassScope)base.obj, this.Name, func, attributeFlags);
field2.type = base.type;
return(field2);
}
internal FunctionExpression(Context context, AST id, ParameterDeclaration[] formal_parameters, TypeExpression return_type, Block body, FunctionScope own_scope, FieldAttributes attributes)
: base(context){
if (attributes != (FieldAttributes)0){
this.context.HandleError(JSError.SyntaxError);
attributes = (FieldAttributes)0;
}
ScriptObject enclosingScope = Globals.ScopeStack.Peek();
this.name = id.ToString();
if (this.name.Length == 0)
this.name = "anonymous "+(uniqueNumber++).ToString(CultureInfo.InvariantCulture);
else
this.AddNameTo(enclosingScope);
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, enclosingScope, this.context, MethodAttributes.Static|MethodAttributes.Public);
}
private static bool TryGetNativeProperty(out object result, object obj, string key)
{
// * seems to be a wilcard inside member names
if (key.IndexOf('*') != -1)
{
result = null;
return(false);
}
key = MapToInternalName(key);
if (obj is Closure)
{
obj = ((Closure)obj).func;
}
Type type = (obj is GlobalScope) ? typeof(GlobalObject) : obj.GetType();
MemberInfo [] members = type.GetMember(key,
BindingFlags.FlattenHierarchy | BindingFlags.GetField | BindingFlags.GetProperty |
BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
if (members.Length != 0)
{
MemberInfo member = members [0];
switch (member.MemberType)
{
case MemberTypes.Field:
result = ((FieldInfo)member).GetValue(obj);
return(true);
case MemberTypes.Property:
MethodInfo method = ((PropertyInfo)member).GetGetMethod();
result = method.Invoke(obj, new object [] { });
return(true);
case MemberTypes.Method:
result = new FunctionObject((MethodInfo)member);
return(true);
default:
Console.WriteLine("TryGetNativeProperty: Unsupported member type {0} for {1}.{2}",
member.MemberType, obj, key);
break;
}
}
result = null;
return(false);
}
public static Closure JScriptFunctionDeclaration(RuntimeTypeHandle handle, string name,
string methodName, string [] formalParameters,
JSLocalField [] fields, bool mustSaveStackLocals,
bool hasArgumentsObjects, string text,
Object declaringObject, VsaEngine engine)
{
FunctionObject f = new FunctionObject(name, null, null, null, null);
f.source = text;
MethodInfo method = engine.ScriptObjectStackTop().GetType().GetMethod(methodName);
f.method = method;
f.vsa_engine = engine;
return(new Closure(f));
}
internal void CloseNestedFunctions(StackFrame sf)
{
if (this.nested_functions != null)
{
IEnumerator enumerator = this.nested_functions.GetEnumerator();
IEnumerator enumerator2 = this.fields_for_nested_functions.GetEnumerator();
while (enumerator.MoveNext() && enumerator2.MoveNext())
{
FieldInfo current = (FieldInfo)enumerator2.Current;
FunctionObject func = (FunctionObject)enumerator.Current;
func.enclosing_scope = sf;
current.SetValue(sf, new Closure(func));
}
}
}
internal Closure(FunctionObject func, Object declaringObject)
: base(func.GetParent(), func.name, func.GetNumberOfFormalParameters()) {
this.func = func;
this.engine = func.engine;
this.proto = new JSPrototypeObject(((ScriptObject)func.proto).GetParent(), this);
this.enclosing_scope = this.engine.ScriptObjectStackTop();
this.arguments = DBNull.Value;
this.caller = DBNull.Value;
this.declaringObject = declaringObject;
this.noExpando = func.noExpando;
if (func.isExpandoMethod){
StackFrame sf = new StackFrame(new WithObject(this.enclosing_scope, declaringObject), new JSLocalField[0], new Object[0], null);
this.enclosing_scope = sf;
sf.closureInstance = declaringObject;
}
}
internal Closure(FunctionObject func, object declaringObject) : base(func.GetParent(), func.name, func.GetNumberOfFormalParameters())
{
this.func = func;
base.engine = func.engine;
base.proto = new JSPrototypeObject(((ScriptObject)func.proto).GetParent(), this);
this.enclosing_scope = base.engine.ScriptObjectStackTop();
this.arguments = DBNull.Value;
this.caller = DBNull.Value;
this.declaringObject = declaringObject;
base.noExpando = func.noExpando;
if (func.isExpandoMethod)
{
Microsoft.JScript.StackFrame frame = new Microsoft.JScript.StackFrame(new WithObject(this.enclosing_scope, declaringObject), new JSLocalField[0], new object[0], null);
this.enclosing_scope = frame;
frame.closureInstance = declaringObject;
}
}
internal void CloseNestedFunctions(StackFrame sf)
{
if (this.nested_functions == null)
{
return;
}
IEnumerator funcs = this.nested_functions.GetEnumerator();
IEnumerator fields = this.fields_for_nested_functions.GetEnumerator();
while (funcs.MoveNext() && fields.MoveNext())
{
FieldInfo field = (FieldInfo)fields.Current;
FunctionObject func = (FunctionObject)funcs.Current;
func.enclosing_scope = sf;
field.SetValue(sf, new Closure(func));
}
}
internal JSFieldMethod(FieldInfo field, Object obj)
: base(obj) //The object is never used, but it is convenient to have the field on JSMethod.
{
this.field = field;
this.func = null;
if (!field.IsLiteral)
{
return;
}
//If we get here, we know at compile time what function we are calling via the field. I.e. we're in fast mode.
Object val = field is JSVariableField ? ((JSVariableField)field).value : field.GetValue(null);
if (val is FunctionObject)
{
this.func = (FunctionObject)val;
}
}
internal FunctionExpression(Context context, AST id, ParameterDeclaration[] formal_parameters, TypeExpression return_type, Block body, FunctionScope own_scope, FieldAttributes attributes) : base(context)
{
if (attributes != FieldAttributes.PrivateScope)
{
base.context.HandleError(JSError.SyntaxError);
attributes = FieldAttributes.PrivateScope;
}
ScriptObject enclosingScope = base.Globals.ScopeStack.Peek();
this.name = id.ToString();
if (this.name.Length == 0)
{
this.name = "anonymous " + uniqueNumber++.ToString(CultureInfo.InvariantCulture);
}
else
{
this.AddNameTo(enclosingScope);
}
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, enclosingScope, base.context, MethodAttributes.Static | MethodAttributes.Public);
}
internal FunctionScope(ScriptObject parent, bool isMethod)
: base(parent) {
this.isKnownAtCompileTime = true;
this.isMethod = isMethod;
this.mustSaveStackLocals = false;
if (parent != null && parent is ActivationObject)
this.fast = ((ActivationObject)parent).fast;
else
this.fast = false;
this.returnVar = null;
this.owner = null; //Given its real value inside new FunctionObject
this.isStatic = false; //Given its real value elsewhere
this.nested_functions = null;
this.fields_for_nested_functions = null;
if (parent is FunctionScope)
this.ProvidesOuterScopeLocals = new SimpleHashtable(16);
else
this.ProvidesOuterScopeLocals = null;
this.closuresMightEscape = false;
}
internal void CheckOverloadsForDuplicates()
{
for (JSMemberField field = this; field != null; field = field.nextOverload)
{
FunctionObject obj2 = field.value as FunctionObject;
if (obj2 == null)
{
return;
}
for (JSMemberField field2 = field.nextOverload; field2 != null; field2 = field2.nextOverload)
{
FunctionObject obj3 = (FunctionObject)field2.value;
if ((obj3.implementedIface == obj2.implementedIface) && Class.ParametersMatch(obj3.parameter_declarations, obj2.parameter_declarations))
{
obj2.funcContext.HandleError(JSError.DuplicateMethod);
obj3.funcContext.HandleError(JSError.DuplicateMethod);
break;
}
}
}
}
internal override Object Invoke(Object obj, Object thisob, BindingFlags options, Binder binder, Object[] parameters, CultureInfo culture)
{
bool construct = (options & BindingFlags.CreateInstance) != 0;
bool brackets = (options & BindingFlags.GetProperty) != 0 && (options & BindingFlags.InvokeMethod) == 0;
Object f = this.func;
if (f == null)
{
f = this.field.GetValue(this.obj);
}
FunctionObject func = f as FunctionObject;
JSObject jsOb = obj as JSObject;
if (jsOb != null && func != null && func.isMethod && (func.attributes & MethodAttributes.Virtual) != 0 &&
jsOb.GetParent() != func.enclosing_scope && ((ClassScope)func.enclosing_scope).HasInstance(jsOb))
{
LateBinding lb = new LateBinding(func.name);
lb.obj = jsOb;
return(lb.Call(parameters, construct, brackets, ((ScriptObject)this.obj).engine));
}
return(LateBinding.CallValue(f, parameters, construct, brackets, ((ScriptObject)this.obj).engine, thisob, binder, culture, null));
}
internal override object Invoke(object obj, object thisob, BindingFlags options, Binder binder, object[] parameters, CultureInfo culture)
{
bool construct = (options & BindingFlags.CreateInstance) != BindingFlags.Default;
bool brackets = ((options & BindingFlags.GetProperty) != BindingFlags.Default) && ((options & BindingFlags.InvokeMethod) == BindingFlags.Default);
object func = this.func;
if (func == null)
{
func = this.field.GetValue(base.obj);
}
FunctionObject obj3 = func as FunctionObject;
JSObject ob = obj as JSObject;
if ((((ob != null) && (obj3 != null)) && (obj3.isMethod && ((obj3.attributes & MethodAttributes.Virtual) != MethodAttributes.PrivateScope))) && ((ob.GetParent() != obj3.enclosing_scope) && ((ClassScope)obj3.enclosing_scope).HasInstance(ob)))
{
LateBinding binding = new LateBinding(obj3.name)
{
obj = ob
};
return(binding.Call(parameters, construct, brackets, ((ScriptObject)base.obj).engine));
}
return(LateBinding.CallValue(func, parameters, construct, brackets, ((ScriptObject)base.obj).engine, thisob, binder, culture, null));
}
internal ConstructorInfo[] GetAsConstructors(object proto)
{
JSMemberField nextOverload = this;
int num = 0;
while (nextOverload != null)
{
nextOverload = nextOverload.nextOverload;
num++;
}
ConstructorInfo[] infoArray = new ConstructorInfo[num];
nextOverload = this;
num = 0;
while (nextOverload != null)
{
FunctionObject cons = (FunctionObject)nextOverload.value;
cons.isConstructor = true;
cons.proto = proto;
infoArray[num++] = new JSConstructor(cons);
nextOverload = nextOverload.nextOverload;
}
return(infoArray);
}
internal ConstructorInfo[] GetAsConstructors(Object proto)
{
JSMemberField field = this;
int n = 0;
while (field != null)
{
field = field.nextOverload;
n++;
}
ConstructorInfo[] result = new ConstructorInfo[n];
field = this;
n = 0;
while (field != null)
{
Debug.Assert(field.IsLiteral);
FunctionObject func = (FunctionObject)field.value;
func.isConstructor = true;
func.proto = proto;
result[n++] = new JSConstructor(func);
field = field.nextOverload;
}
return(result);
}
public static Closure JScriptFunctionDeclaration(RuntimeTypeHandle handle, String name, String method_name, String[] formal_parameters,
JSLocalField[] fields, bool must_save_stack_locals, bool hasArgumentsObject, String text, Object declaringObject, VsaEngine engine){
Type t = Type.GetTypeFromHandle(handle);
FunctionObject func = new FunctionObject(t, name, method_name, formal_parameters, fields, must_save_stack_locals, hasArgumentsObject, text, engine);
return new Closure(func, declaringObject);
}
public Closure(FunctionObject func)
: this(func, null){
if (func.enclosing_scope is StackFrame)
this.enclosing_scope = func.enclosing_scope;
}
internal JSConstructor(FunctionObject cons)
{
this.cons = cons;
}
internal JSConstructor(FunctionObject cons){
this.cons = cons;
}
public override Object Eval(VsaEngine engine)
#line 322 "./Nodes/JNode.tc"
{
// Get the scope to declare the function within.
ScriptObject scope = engine.ScriptObjectStackTop();
// Create a function object to wrap up this function.
FunctionObject obj = new FunctionObject
(EngineInstance.GetEngineInstance(engine).GetFunctionPrototype(),
this, scope);
// javascript allows for anonymous functions
if(name != null)
{
// Add the function to the scope.
if(scope is IVariableAccess)
{
((IVariableAccess)scope).SetVariable(name, obj);
}
else
{
scope.Put(name, obj);
}
}
// Return compiled function object
return obj;
}
internal FunctionDeclaration(Context context, AST ifaceId, IdentifierLiteral id, ParameterDeclaration[] formal_parameters, TypeExpression return_type,
Block body, FunctionScope own_scope, FieldAttributes attributes,
bool isMethod, bool isGetter, bool isSetter, bool isAbstract, bool isFinal, CustomAttributeList customAttributes)
: base(context) {
MethodAttributes methodAttributes = (MethodAttributes)0;
if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Public)
methodAttributes = MethodAttributes.Public;
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Private)
methodAttributes = MethodAttributes.Private;
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Assembly)
methodAttributes = MethodAttributes.Assembly;
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Family)
methodAttributes = MethodAttributes.Family;
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.FamORAssem)
methodAttributes = MethodAttributes.FamORAssem;
else
methodAttributes = MethodAttributes.Public;
if ((attributes & FieldAttributes.Static) != 0 || !isMethod)
methodAttributes |= MethodAttributes.Static;
else
methodAttributes |= MethodAttributes.Virtual | MethodAttributes.NewSlot;
if (isAbstract)
methodAttributes |= MethodAttributes.Abstract;
if (isFinal)
methodAttributes |= MethodAttributes.Final;
this.name = id.ToString();
this.isMethod = isMethod;
if (ifaceId != null){
if (isMethod){
this.ifaceId = new TypeExpression(ifaceId);
methodAttributes &= ~MethodAttributes.MemberAccessMask;
methodAttributes |= MethodAttributes.Private|MethodAttributes.Final;
}else{
this.declaringObject = new Member(ifaceId.context, ifaceId, id);
this.name = this.declaringObject.ToString();
}
}
ScriptObject enclosingScope = Globals.ScopeStack.Peek();
if (attributes == 0 && !isAbstract && !isFinal){
if (enclosingScope is ClassScope)
attributes |= FieldAttributes.Public;
}else{
if (!(enclosingScope is ClassScope)){
this.context.HandleError(JSError.NotInsideClass);
attributes = (FieldAttributes)0;
methodAttributes = MethodAttributes.Public;
}
}
if (enclosingScope is ActivationObject){
this.inFastScope = ((ActivationObject)enclosingScope).fast;
// if later on originalName != this.name this is a property getter/setter
String originalName = this.name;
// mangle the name
if (isGetter){
methodAttributes |= MethodAttributes.SpecialName;
this.name = "get_" + this.name;
if (return_type == null)
return_type = new TypeExpression(new ConstantWrapper(Typeob.Object, context));
}else if (isSetter){
methodAttributes |= MethodAttributes.SpecialName;
this.name = "set_" + this.name;
return_type = new TypeExpression(new ConstantWrapper(Typeob.Void, context));
}
attributes &= FieldAttributes.FieldAccessMask;
// create the function object
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, enclosingScope, this.context,
methodAttributes, customAttributes, this.isMethod);
if (this.declaringObject != null) return;
// check whether the function name (possibly mangled) is in use already
String fieldName = this.name;
if (this.ifaceId != null) fieldName = ifaceId.ToString()+"."+fieldName;
JSVariableField localField = (JSVariableField)((ActivationObject)enclosingScope).name_table[fieldName];
if (localField != null && (!(localField is JSMemberField) || !(((JSMemberField)localField).value is FunctionObject) || this.func.isExpandoMethod)){
if (originalName != this.name)
localField.originalContext.HandleError(JSError.ClashWithProperty);
else{
id.context.HandleError(JSError.DuplicateName, this.func.isExpandoMethod);
if (localField.value is FunctionObject)
((FunctionObject)localField.value).suppressIL = true;
}
}
// create or update the proper field
if (this.isMethod){
if (!(localField is JSMemberField) || !(((JSMemberField)localField).value is FunctionObject) || originalName != this.name){
this.field = ((ActivationObject)enclosingScope).AddNewField(fieldName, this.func, attributes|FieldAttributes.Literal);
if (originalName == this.name) // if it is a property do not assign the type
((JSVariableField)this.field).type = new TypeExpression(new ConstantWrapper(Typeob.FunctionWrapper, this.context));
}else
this.field = ((JSMemberField)localField).AddOverload(this.func, attributes|FieldAttributes.Literal);
}else if (enclosingScope is FunctionScope){
if (this.inFastScope) attributes |= FieldAttributes.Literal;
this.field = ((FunctionScope)enclosingScope).AddNewField(this.name, attributes, this.func);
if (this.field is JSLocalField){
JSLocalField locField = (JSLocalField)this.field;
if (this.inFastScope){
locField.type = new TypeExpression(new ConstantWrapper(Typeob.ScriptFunction, this.context));
locField.attributeFlags |= FieldAttributes.Literal;
}
locField.debugOn = this.context.document.debugOn;
locField.isDefined = true;
}
}else if (this.inFastScope){
this.field = ((ActivationObject)enclosingScope).AddNewField(this.name, this.func, attributes|FieldAttributes.Literal);
((JSVariableField)this.field).type = new TypeExpression(new ConstantWrapper(Typeob.ScriptFunction, this.context));
//Do not use typeof(Closure) for the field, since that has the arguments and callee properties, which are not
//accessible in fast mode
}else //enclosingScope is GlobalObject
this.field = ((ActivationObject)enclosingScope).AddNewField(this.name, this.func, attributes|FieldAttributes.Static);
((JSVariableField)this.field).originalContext = context;
// if it is a property create/update the PropertyInfo and assign the getter/setter
if (originalName != this.name){
String propertyFieldName = originalName;
if (this.ifaceId != null) propertyFieldName = ifaceId.ToString()+"."+originalName;
FieldInfo prop = (FieldInfo)((ClassScope)enclosingScope).name_table[propertyFieldName];
if (prop != null){
// check whether a property was defined already
if (prop.IsLiteral){
Object val = ((JSVariableField)prop).value;
if (val is JSProperty)
this.enclosingProperty = (JSProperty)val;
}
if (this.enclosingProperty == null)
id.context.HandleError(JSError.DuplicateName, true); // the matching name was not a property
}
if (this.enclosingProperty == null){
this.enclosingProperty = new JSProperty(originalName);
prop = ((ActivationObject)enclosingScope).AddNewField(propertyFieldName, this.enclosingProperty, attributes|FieldAttributes.Literal);
((JSMemberField)prop).originalContext = this.context;
}else{
if ((isGetter && this.enclosingProperty.getter != null) || (isSetter && this.enclosingProperty.setter != null))
id.context.HandleError(JSError.DuplicateName, true); // duplicated setter or getter
}
if (isGetter)
this.enclosingProperty.getter = new JSFieldMethod(this.field, enclosingScope);
else
this.enclosingProperty.setter = new JSFieldMethod(this.field, enclosingScope);
}
}else{ //Might get here if function declaration is inside of an eval.
this.inFastScope = false;
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, enclosingScope, this.context, MethodAttributes.Public, null, false);
this.field = ((StackFrame)enclosingScope).AddNewField(this.name, new Closure(this.func), attributes|FieldAttributes.Static);
}
}
private void CheckMatchingMethodForConsistency(MethodInfo matchingMethod, FunctionObject func, int i, int n){
// return-type consistency - the return-type has to be the same
IReflect rir = func.ReturnType(null);
IReflect mrir = matchingMethod is JSFieldMethod ? ((JSFieldMethod)matchingMethod).func.ReturnType(null) : matchingMethod.ReturnType;
if (!rir.Equals(mrir)){
func.funcContext.HandleError(JSError.DifferentReturnTypeFromBase, func.name, true);
return;
}
//Special treatment for methods that implement interface methods
if (func.implementedIface != null){
func.implementedIfaceMethod = matchingMethod;
this.superMembers[i] = func.name; //obliterate it so that it does not show up as unimplemented
return;
}
// visibility consistency - the visibility specification has to be the same
MethodAttributes visibility = func.attributes & MethodAttributes.MemberAccessMask;
if ((matchingMethod.Attributes & MethodAttributes.MemberAccessMask) != visibility)
//Allow Family to match FamORAssem
if ((matchingMethod.Attributes & MethodAttributes.MemberAccessMask) != MethodAttributes.FamORAssem || visibility != MethodAttributes.Family)
func.funcContext.HandleError(JSError.CannotChangeVisibility);
// hiding, overriding and layout consistency
// if i >= 0 after this, the base method is an overridden abstract method and steps should be taken to prevent a not implemented error
if (func.noVersionSafeAttributeSpecified){ // current method does not specify any attribute (i.e. hide or override)
if (this.Engine.versionSafe){
//Give a message. The compiler option requires a method to say hide or override when there is a match.
if ((matchingMethod.Attributes & MethodAttributes.Abstract) != 0){ // base is abstract
func.funcContext.HandleError(JSError.HidesAbstractInBase, this.name + "." + func.name);
func.attributes &= ~MethodAttributes.NewSlot;
//Recover from error by overriding, it may be less bad than throwing a class load exception
}else{
func.funcContext.HandleError(JSError.NewNotSpecifiedInMethodDeclaration, this.IsInTheSameCompilationUnit(matchingMethod));
i = -1;
}
}else{
//No message, override if possible, otherwise hide
if ((matchingMethod.Attributes & MethodAttributes.Virtual) == 0 ||
(matchingMethod.Attributes & MethodAttributes.Final) != 0){ // base is non virtual or final, hide
i = -1;
}else{
func.attributes &= ~MethodAttributes.NewSlot; //override
if ((matchingMethod.Attributes & MethodAttributes.Abstract) == 0)
i = -1;
}
}
}else{ //Current method is marked override or hide
if ((func.attributes & MethodAttributes.VtableLayoutMask) == MethodAttributes.ReuseSlot){ // current method specifies override
if ((matchingMethod.Attributes & MethodAttributes.Virtual) == 0 ||
(matchingMethod.Attributes & MethodAttributes.Final) != 0){ // base is non virtual or final, hide
func.funcContext.HandleError(JSError.MethodInBaseIsNotVirtual);
i = -1;
}else{
func.attributes &= ~MethodAttributes.NewSlot; //override
if ((matchingMethod.Attributes & MethodAttributes.Abstract) == 0)
i = -1;
}
}else{ // current method specifies hide
Debug.Assert((func.attributes & MethodAttributes.VtableLayoutMask) == MethodAttributes.NewSlot);
if ((matchingMethod.Attributes & MethodAttributes.Abstract) != 0){ // base is abstract
func.funcContext.HandleError(JSError.HidesAbstractInBase, this.name + "." + func.name);
func.attributes &= ~MethodAttributes.NewSlot;
//Recover from error by overriding, it may be less bad than throwing a class load exception
}else
i = -1;
}
}
if (i >= 0){
//Overriding an abstract method. Take steps to prevent error messages.
Debug.Assert((matchingMethod.Attributes & MethodAttributes.Abstract) != 0);
this.superMembers[i] = func.name; //obliterate it so that it does not show up as unimplemented
//Do likewise for any matching abstract members declared in less derived base classes
for (int j = i+1; j < n; j++){ //Most derived class is always first
MemberInfo mem = this.superMembers[j] as MemberInfo;
if (mem == null) continue;
if (mem.Name != matchingMethod.Name) break;
MethodInfo meth2 = mem as MethodInfo;
if (meth2 == null) continue;
if (meth2.IsAbstract && Class.ParametersMatch(meth2.GetParameters(), matchingMethod.GetParameters())){
IReflect rt = matchingMethod is JSFieldMethod ? ((JSFieldMethod)matchingMethod).ReturnIR() : matchingMethod.ReturnType;
IReflect rt2 = meth2 is JSFieldMethod ? ((JSFieldMethod)meth2).ReturnIR() : meth2.ReturnType;
if (rt == rt2) this.superMembers[j] = func.name;
}
}
}
}
private void CheckMethodDeclarationConsistency(FunctionObject func){
if (func.isStatic && !func.isExpandoMethod) return; //static methods do not clash with superclass methods
if (func.isConstructor) return; //Constructors cannot clash with superclass members
Object index = this.firstIndex[func.name];
if (index == null){
//There is no super class member with the same name as the function
this.CheckThatMethodIsNotMarkedWithOverrideOrHide(func);
if ((func.attributes & MethodAttributes.Final) != 0)
func.attributes &= ~(MethodAttributes.Virtual|MethodAttributes.NewSlot|MethodAttributes.Final);
return;
}
MemberInfo differentTypeOfMember = null;
for (int i = (int)index, n = this.superMembers.Length; i < n; i++){
MemberInfo member = this.superMembers[i] as MemberInfo;
if (member == null)
//if we do not get a MemberInfo we have already processed this superclass member and it matches another member of the current class
continue;
if (!member.Name.Equals(func.name)) break;
if (!this.CanSee(member)) continue;
if (member.MemberType != MemberTypes.Method){
//JScript does not allow overloading among different member types.
//Unless there is a superclass method with the same signature as the method, we have to give an error
differentTypeOfMember = member;
continue;
}
if (func.isExpandoMethod){
differentTypeOfMember = member;
break;
}
MethodInfo supmeth = (MethodInfo)member;
if (func.implementedIface != null){
//Skip superclass methods that do not come from the appropriate interface
if (supmeth is JSFieldMethod){
if (((JSFieldMethod)supmeth).EnclosingScope() != func.implementedIface) continue;
}else{
if (supmeth.DeclaringType != func.implementedIface) continue;
}
}
if (Class.ParametersMatch(supmeth.GetParameters(), func.parameter_declarations)){
if (supmeth is JSWrappedMethod)
supmeth = ((JSWrappedMethod)supmeth).method;
if (func.noVersionSafeAttributeSpecified || (func.attributes & MethodAttributes.VtableLayoutMask) != MethodAttributes.NewSlot){
//Check consistency of implicit or explicit override (a hiding method may be inconsistent)
this.CheckMatchingMethodForConsistency(supmeth, func, i, n);
}
return;
}
}
if (differentTypeOfMember != null){
//Did not find a superclass method with the same signature, but did find a member with same name that was not a method
//This is a no no for JScript unless the hide attribute has been specified
if (func.noVersionSafeAttributeSpecified ||
(func.attributes & MethodAttributes.VtableLayoutMask) != MethodAttributes.NewSlot && !func.isExpandoMethod){
String supMemberName = this.GetFullNameFor(differentTypeOfMember);
func.funcContext.HandleError(JSError.HidesParentMember, supMemberName, this.IsInTheSameCompilationUnit(differentTypeOfMember));
}
return;
}
//No matching method in superclass. Give an error if hide/override was specified
this.CheckThatMethodIsNotMarkedWithOverrideOrHide(func);
//Make final methods into non virtual
if ((func.attributes & MethodAttributes.Final) != 0)
func.attributes &= ~(MethodAttributes.Virtual|MethodAttributes.NewSlot|MethodAttributes.Final);
}
private void AllocateImplicitDefaultConstructor(){
this.implicitDefaultConstructor = new FunctionObject(".ctor", new ParameterDeclaration[0], null, new Block(this.context),
new FunctionScope(this.classob, true), this.classob, this.context, MethodAttributes.Virtual|MethodAttributes.NewSlot|MethodAttributes.Public, null, true);
this.implicitDefaultConstructor.isImplicitCtor = true;
this.implicitDefaultConstructor.isConstructor = true;
this.implicitDefaultConstructor.proto = this.classob;
}
internal FunctionDeclaration(Context context, AST ifaceId, IdentifierLiteral id, ParameterDeclaration[] formal_parameters, TypeExpression return_type,
Block body, FunctionScope own_scope, FieldAttributes attributes,
bool isMethod, bool isGetter, bool isSetter, bool isAbstract, bool isFinal, CustomAttributeList customAttributes)
: base(context)
{
MethodAttributes methodAttributes = (MethodAttributes)0;
if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Public)
{
methodAttributes = MethodAttributes.Public;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Private)
{
methodAttributes = MethodAttributes.Private;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Assembly)
{
methodAttributes = MethodAttributes.Assembly;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Family)
{
methodAttributes = MethodAttributes.Family;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.FamORAssem)
{
methodAttributes = MethodAttributes.FamORAssem;
}
else
{
methodAttributes = MethodAttributes.Public;
}
if ((attributes & FieldAttributes.Static) != 0 || !isMethod)
{
methodAttributes |= MethodAttributes.Static;
}
else
{
methodAttributes |= MethodAttributes.Virtual | MethodAttributes.NewSlot;
}
if (isAbstract)
{
methodAttributes |= MethodAttributes.Abstract;
}
if (isFinal)
{
methodAttributes |= MethodAttributes.Final;
}
this.name = id.ToString();
this.isMethod = isMethod;
if (ifaceId != null)
{
if (isMethod)
{
this.ifaceId = new TypeExpression(ifaceId);
methodAttributes &= ~MethodAttributes.MemberAccessMask;
methodAttributes |= MethodAttributes.Private | MethodAttributes.Final;
}
else
{
this.declaringObject = new Member(ifaceId.context, ifaceId, id);
this.name = this.declaringObject.ToString();
}
}
ScriptObject enclosingScope = Globals.ScopeStack.Peek();
if (attributes == 0 && !isAbstract && !isFinal)
{
if (enclosingScope is ClassScope)
{
attributes |= FieldAttributes.Public;
}
}
else
{
if (!(enclosingScope is ClassScope))
{
this.context.HandleError(JSError.NotInsideClass);
attributes = (FieldAttributes)0;
methodAttributes = MethodAttributes.Public;
}
}
if (enclosingScope is ActivationObject)
{
this.inFastScope = ((ActivationObject)enclosingScope).fast;
// if later on originalName != this.name this is a property getter/setter
String originalName = this.name;
// mangle the name
if (isGetter)
{
methodAttributes |= MethodAttributes.SpecialName;
this.name = "get_" + this.name;
if (return_type == null)
{
return_type = new TypeExpression(new ConstantWrapper(Typeob.Object, context));
}
}
else if (isSetter)
{
methodAttributes |= MethodAttributes.SpecialName;
this.name = "set_" + this.name;
return_type = new TypeExpression(new ConstantWrapper(Typeob.Void, context));
}
attributes &= FieldAttributes.FieldAccessMask;
// create the function object
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, enclosingScope, this.context,
methodAttributes, customAttributes, this.isMethod);
if (this.declaringObject != null)
{
return;
}
// check whether the function name (possibly mangled) is in use already
String fieldName = this.name;
if (this.ifaceId != null)
{
fieldName = ifaceId.ToString() + "." + fieldName;
}
JSVariableField localField = (JSVariableField)((ActivationObject)enclosingScope).name_table[fieldName];
if (localField != null && (!(localField is JSMemberField) || !(((JSMemberField)localField).value is FunctionObject) || this.func.isExpandoMethod))
{
if (originalName != this.name)
{
localField.originalContext.HandleError(JSError.ClashWithProperty);
}
else
{
id.context.HandleError(JSError.DuplicateName, this.func.isExpandoMethod);
if (localField.value is FunctionObject)
{
((FunctionObject)localField.value).suppressIL = true;
}
}
}
// create or update the proper field
if (this.isMethod)
{
if (!(localField is JSMemberField) || !(((JSMemberField)localField).value is FunctionObject) || originalName != this.name)
{
this.field = ((ActivationObject)enclosingScope).AddNewField(fieldName, this.func, attributes | FieldAttributes.Literal);
if (originalName == this.name) // if it is a property do not assign the type
{
((JSVariableField)this.field).type = new TypeExpression(new ConstantWrapper(Typeob.FunctionWrapper, this.context));
}
}
else
{
this.field = ((JSMemberField)localField).AddOverload(this.func, attributes | FieldAttributes.Literal);
}
}
else if (enclosingScope is FunctionScope)
{
if (this.inFastScope)
{
attributes |= FieldAttributes.Literal;
}
this.field = ((FunctionScope)enclosingScope).AddNewField(this.name, attributes, this.func);
if (this.field is JSLocalField)
{
JSLocalField locField = (JSLocalField)this.field;
if (this.inFastScope)
{
locField.type = new TypeExpression(new ConstantWrapper(Typeob.ScriptFunction, this.context));
locField.attributeFlags |= FieldAttributes.Literal;
}
locField.debugOn = this.context.document.debugOn;
locField.isDefined = true;
}
}
else if (this.inFastScope)
{
this.field = ((ActivationObject)enclosingScope).AddNewField(this.name, this.func, attributes | FieldAttributes.Literal);
((JSVariableField)this.field).type = new TypeExpression(new ConstantWrapper(Typeob.ScriptFunction, this.context));
//Do not use typeof(Closure) for the field, since that has the arguments and callee properties, which are not
//accessible in fast mode
}
else //enclosingScope is GlobalObject
{
this.field = ((ActivationObject)enclosingScope).AddNewField(this.name, this.func, attributes | FieldAttributes.Static);
}
((JSVariableField)this.field).originalContext = context;
// if it is a property create/update the PropertyInfo and assign the getter/setter
if (originalName != this.name)
{
String propertyFieldName = originalName;
if (this.ifaceId != null)
{
propertyFieldName = ifaceId.ToString() + "." + originalName;
}
FieldInfo prop = (FieldInfo)((ClassScope)enclosingScope).name_table[propertyFieldName];
if (prop != null)
{
// check whether a property was defined already
if (prop.IsLiteral)
{
Object val = ((JSVariableField)prop).value;
if (val is JSProperty)
{
this.enclosingProperty = (JSProperty)val;
}
}
if (this.enclosingProperty == null)
{
id.context.HandleError(JSError.DuplicateName, true); // the matching name was not a property
}
}
if (this.enclosingProperty == null)
{
this.enclosingProperty = new JSProperty(originalName);
prop = ((ActivationObject)enclosingScope).AddNewField(propertyFieldName, this.enclosingProperty, attributes | FieldAttributes.Literal);
((JSMemberField)prop).originalContext = this.context;
}
else
{
if ((isGetter && this.enclosingProperty.getter != null) || (isSetter && this.enclosingProperty.setter != null))
{
id.context.HandleError(JSError.DuplicateName, true); // duplicated setter or getter
}
}
if (isGetter)
{
this.enclosingProperty.getter = new JSFieldMethod(this.field, enclosingScope);
}
else
{
this.enclosingProperty.setter = new JSFieldMethod(this.field, enclosingScope);
}
}
}
else //Might get here if function declaration is inside of an eval.
{
this.inFastScope = false;
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, enclosingScope, this.context, MethodAttributes.Public, null, false);
this.field = ((StackFrame)enclosingScope).AddNewField(this.name, new Closure(this.func), attributes | FieldAttributes.Static);
}
}
public static FunctionObject JScriptFunctionExpression(RuntimeTypeHandle handle, String name, String method_name, String[] formal_params, JSLocalField[] fields,
bool must_save_stack_locals, bool hasArgumentsObject, String text, VsaEngine engine){
Type t = Type.GetTypeFromHandle(handle);
FunctionObject result = new FunctionObject(t, name, method_name, formal_params, fields, must_save_stack_locals, hasArgumentsObject, text, engine);
return result;
}
private static bool TryGetNativeProperty(out object result, object obj, string key)
{
// * seems to be a wilcard inside member names
if (key.IndexOf ('*') != -1) {
result = null;
return false;
}
key = MapToInternalName (key);
if (obj is Closure)
obj = ((Closure) obj).func;
Type type = (obj is GlobalScope) ? typeof (GlobalObject) : obj.GetType ();
MemberInfo [] members = type.GetMember (key,
BindingFlags.FlattenHierarchy | BindingFlags.GetField | BindingFlags.GetProperty |
BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
if (members.Length != 0) {
MemberInfo member = members [0];
switch (member.MemberType) {
case MemberTypes.Field:
result = ((FieldInfo) member).GetValue (obj);
return true;
case MemberTypes.Property:
MethodInfo method = ((PropertyInfo) member).GetGetMethod ();
result = method.Invoke (obj, new object [] { });
return true;
case MemberTypes.Method:
result = new FunctionObject ((MethodInfo) member);
return true;
default:
Console.WriteLine ("TryGetNativeProperty: Unsupported member type {0} for {1}.{2}",
member.MemberType, obj, key);
break;
}
}
result = null;
return false;
}
public override MemberInfo[] GetMember(string name, BindingFlags bindingAttr)
{
MemberInfoList mems = new MemberInfoList();
FieldInfo elem = (FieldInfo)base.name_table[name];
if (elem == null)
{
goto Label_0139;
}
if (elem.IsPublic)
{
if ((bindingAttr & BindingFlags.Public) != BindingFlags.Default)
{
goto Label_0040;
}
goto Label_0139;
}
if ((bindingAttr & BindingFlags.NonPublic) == BindingFlags.Default)
{
goto Label_0139;
}
Label_0040:
if (!elem.IsLiteral)
{
goto Label_011E;
}
object obj2 = ((JSMemberField)elem).value;
if (obj2 is FunctionObject)
{
FunctionObject obj3 = (FunctionObject)obj2;
if (obj3.isConstructor)
{
return(new MemberInfo[0]);
}
if (obj3.isExpandoMethod)
{
if ((bindingAttr & BindingFlags.Instance) != BindingFlags.Default)
{
mems.Add(elem);
}
}
else
{
((JSMemberField)elem).AddOverloadedMembers(mems, this, bindingAttr | BindingFlags.DeclaredOnly);
}
goto Label_0139;
}
if (!(obj2 is JSProperty))
{
if (((obj2 is ClassScope) && ((bindingAttr & BindingFlags.Instance) != BindingFlags.Default)) && !((ClassScope)obj2).owner.isStatic)
{
mems.Add(elem);
goto Label_0139;
}
goto Label_011E;
}
JSProperty property = (JSProperty)obj2;
MethodInfo info2 = (property.getter != null) ? property.getter : property.setter;
if (info2.IsStatic)
{
if ((bindingAttr & BindingFlags.Static) != BindingFlags.Default)
{
goto Label_00EC;
}
goto Label_0139;
}
if ((bindingAttr & BindingFlags.Instance) == BindingFlags.Default)
{
goto Label_0139;
}
Label_00EC:
mems.Add(property);
goto Label_0139;
Label_011E:
if (elem.IsStatic)
{
if ((bindingAttr & BindingFlags.Static) != BindingFlags.Default)
{
goto Label_0132;
}
goto Label_0139;
}
if ((bindingAttr & BindingFlags.Instance) == BindingFlags.Default)
{
goto Label_0139;
}
Label_0132:
mems.Add(elem);
Label_0139:
if (((this.owner != null) && this.owner.isInterface) && ((bindingAttr & BindingFlags.DeclaredOnly) == BindingFlags.Default))
{
return(this.owner.GetInterfaceMember(name));
}
if ((base.parent != null) && ((bindingAttr & BindingFlags.DeclaredOnly) == BindingFlags.Default))
{
MemberInfo[] member = base.parent.GetMember(name, bindingAttr);
if (member != null)
{
foreach (MemberInfo info3 in member)
{
if (info3.MemberType == MemberTypes.Field)
{
elem = (FieldInfo)info3;
if ((!elem.IsStatic && !elem.IsLiteral) && !(elem is JSWrappedField))
{
elem = new JSWrappedField(elem, base.parent);
}
mems.Add(elem);
}
else
{
mems.Add(ScriptObject.WrapMember(info3, base.parent));
}
}
}
}
return(mems.ToArray());
}
internal FunctionDeclaration(Context context, AST ifaceId, IdentifierLiteral id, ParameterDeclaration[] formal_parameters, TypeExpression return_type, Block body, FunctionScope own_scope, FieldAttributes attributes, bool isMethod, bool isGetter, bool isSetter, bool isAbstract, bool isFinal, CustomAttributeList customAttributes) : base(context)
{
this.completion = new Completion();
MethodAttributes privateScope = MethodAttributes.PrivateScope;
if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Public)
{
privateScope = MethodAttributes.Public;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Private)
{
privateScope = MethodAttributes.Private;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Assembly)
{
privateScope = MethodAttributes.Assembly;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.Family)
{
privateScope = MethodAttributes.Family;
}
else if ((attributes & FieldAttributes.FieldAccessMask) == FieldAttributes.FamORAssem)
{
privateScope = MethodAttributes.FamORAssem;
}
else
{
privateScope = MethodAttributes.Public;
}
if (((attributes & FieldAttributes.Static) != FieldAttributes.PrivateScope) || !isMethod)
{
privateScope |= MethodAttributes.Static;
}
else
{
privateScope |= MethodAttributes.NewSlot | MethodAttributes.Virtual;
}
if (isAbstract)
{
privateScope |= MethodAttributes.Abstract;
}
if (isFinal)
{
privateScope |= MethodAttributes.Final;
}
this.name = id.ToString();
this.isMethod = isMethod;
if (ifaceId != null)
{
if (isMethod)
{
this.ifaceId = new TypeExpression(ifaceId);
privateScope &= ~MethodAttributes.MemberAccessMask;
privateScope |= MethodAttributes.Final | MethodAttributes.Private;
}
else
{
this.declaringObject = new Member(ifaceId.context, ifaceId, id);
this.name = this.declaringObject.ToString();
}
}
ScriptObject obj2 = base.Globals.ScopeStack.Peek();
if (((attributes == FieldAttributes.PrivateScope) && !isAbstract) && !isFinal)
{
if (obj2 is ClassScope)
{
attributes |= FieldAttributes.Public;
}
}
else if (!(obj2 is ClassScope))
{
base.context.HandleError(JSError.NotInsideClass);
attributes = FieldAttributes.PrivateScope;
privateScope = MethodAttributes.Public;
}
if (obj2 is ActivationObject)
{
this.inFastScope = ((ActivationObject) obj2).fast;
string name = this.name;
if (isGetter)
{
privateScope |= MethodAttributes.SpecialName;
this.name = "get_" + this.name;
if (return_type == null)
{
return_type = new TypeExpression(new ConstantWrapper(Typeob.Object, context));
}
}
else if (isSetter)
{
privateScope |= MethodAttributes.SpecialName;
this.name = "set_" + this.name;
return_type = new TypeExpression(new ConstantWrapper(Typeob.Void, context));
}
attributes &= FieldAttributes.FieldAccessMask;
MethodAttributes attributes3 = privateScope & MethodAttributes.MemberAccessMask;
if ((((privateScope & MethodAttributes.Virtual) != MethodAttributes.PrivateScope) && ((privateScope & MethodAttributes.Final) == MethodAttributes.PrivateScope)) && (((attributes3 == MethodAttributes.Private) || (attributes3 == MethodAttributes.Assembly)) || (attributes3 == MethodAttributes.FamANDAssem)))
{
privateScope |= MethodAttributes.CheckAccessOnOverride;
}
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, obj2, base.context, privateScope, customAttributes, this.isMethod);
if (this.declaringObject == null)
{
string str2 = this.name;
if (this.ifaceId != null)
{
str2 = ifaceId.ToString() + "." + str2;
}
JSVariableField field = (JSVariableField) ((ActivationObject) obj2).name_table[str2];
if ((field != null) && ((!(field is JSMemberField) || !(((JSMemberField) field).value is FunctionObject)) || this.func.isExpandoMethod))
{
if (name != this.name)
{
field.originalContext.HandleError(JSError.ClashWithProperty);
}
else
{
id.context.HandleError(JSError.DuplicateName, this.func.isExpandoMethod);
if (field.value is FunctionObject)
{
((FunctionObject) field.value).suppressIL = true;
}
}
}
if (this.isMethod)
{
if ((!(field is JSMemberField) || !(((JSMemberField) field).value is FunctionObject)) || (name != this.name))
{
this.field = ((ActivationObject) obj2).AddNewField(str2, this.func, attributes | FieldAttributes.Literal);
if (name == this.name)
{
this.field.type = new TypeExpression(new ConstantWrapper(Typeob.FunctionWrapper, base.context));
}
}
else
{
this.field = ((JSMemberField) field).AddOverload(this.func, attributes | FieldAttributes.Literal);
}
}
else if (obj2 is FunctionScope)
{
if (this.inFastScope)
{
attributes |= FieldAttributes.Literal;
}
this.field = ((FunctionScope) obj2).AddNewField(this.name, attributes, this.func);
if (this.field is JSLocalField)
{
JSLocalField field2 = (JSLocalField) this.field;
if (this.inFastScope)
{
field2.type = new TypeExpression(new ConstantWrapper(Typeob.ScriptFunction, base.context));
field2.attributeFlags |= FieldAttributes.Literal;
}
field2.debugOn = base.context.document.debugOn;
field2.isDefined = true;
}
}
else if (this.inFastScope)
{
this.field = ((ActivationObject) obj2).AddNewField(this.name, this.func, attributes | FieldAttributes.Literal);
this.field.type = new TypeExpression(new ConstantWrapper(Typeob.ScriptFunction, base.context));
}
else
{
this.field = ((ActivationObject) obj2).AddNewField(this.name, this.func, attributes | FieldAttributes.Static);
}
this.field.originalContext = context;
if (name != this.name)
{
string str3 = name;
if (this.ifaceId != null)
{
str3 = ifaceId.ToString() + "." + name;
}
FieldInfo info = (FieldInfo) ((ClassScope) obj2).name_table[str3];
if (info != null)
{
if (info.IsLiteral)
{
object obj3 = ((JSVariableField) info).value;
if (obj3 is JSProperty)
{
this.enclosingProperty = (JSProperty) obj3;
}
}
if (this.enclosingProperty == null)
{
id.context.HandleError(JSError.DuplicateName, true);
}
}
if (this.enclosingProperty == null)
{
this.enclosingProperty = new JSProperty(name);
((JSMemberField) ((ActivationObject) obj2).AddNewField(str3, this.enclosingProperty, attributes | FieldAttributes.Literal)).originalContext = base.context;
}
else if ((isGetter && (this.enclosingProperty.getter != null)) || (isSetter && (this.enclosingProperty.setter != null)))
{
id.context.HandleError(JSError.DuplicateName, true);
}
if (isGetter)
{
this.enclosingProperty.getter = new JSFieldMethod(this.field, obj2);
}
else
{
this.enclosingProperty.setter = new JSFieldMethod(this.field, obj2);
}
}
}
}
else
{
this.inFastScope = false;
this.func = new FunctionObject(this.name, formal_parameters, return_type, body, own_scope, obj2, base.context, MethodAttributes.Public, null, false);
this.field = ((StackFrame) obj2).AddNewField(this.name, new Closure(this.func), attributes | FieldAttributes.Static);
}
}
private void CheckThatMethodIsNotMarkedWithOverrideOrHide(FunctionObject func){
if (func.noVersionSafeAttributeSpecified) return;
//It is marked override or hide, give an appropriate error
if ((func.attributes & MethodAttributes.VtableLayoutMask) == MethodAttributes.ReuseSlot) // current method specifies override
func.funcContext.HandleError(JSError.NoMethodInBaseToOverride);
else // current method specifies hide
func.funcContext.HandleError(JSError.NoMethodInBaseToNew);
}
private void TranslateToILObjectForMember(ILGenerator il, Type obType, bool noValue, MemberInfo mem)
{
this.thereIsAnObjectOnTheStack = true;
if (mem is IWrappedMember)
{
Object obj = ((IWrappedMember)mem).GetWrappedObject();
if (obj is LenientGlobalObject)
{
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.getLenientGlobalObjectMethod);
}
else if (obj is Type || obj is ClassScope)
{
if (obType.IsAssignableFrom(Typeob.Type))
{
(new ConstantWrapper(obj, null)).TranslateToIL(il, Typeob.Type);
return;
}
//this.name is the name of an instance member of the superclass of the class (or an outer class) in which this expression appears
//get class instance on stack
ScriptObject scope = Globals.ScopeStack.Peek();
while (scope is WithObject || scope is BlockScope)
{
scope = scope.GetParent();
}
if (scope is FunctionScope)
{
FunctionObject func = ((FunctionScope)scope).owner;
if (func.isMethod)
{
il.Emit(OpCodes.Ldarg_0);
}
else //Need to get the StackFrame.closureInstance on the stack
{
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.scriptObjectStackTopMethod);
scope = this.Globals.ScopeStack.Peek();
while (scope is WithObject || scope is BlockScope)
{
il.Emit(OpCodes.Call, CompilerGlobals.getParentMethod);
scope = scope.GetParent();
}
il.Emit(OpCodes.Castclass, Typeob.StackFrame);
il.Emit(OpCodes.Ldfld, CompilerGlobals.closureInstanceField);
}
}
else if (scope is ClassScope)
{
il.Emit(OpCodes.Ldarg_0); //Inside instance initializer
}
//If dealing with a member of an outer class, get the outer class instance on the stack
scope = Globals.ScopeStack.Peek();
while (scope != null)
{
ClassScope csc = scope as ClassScope;
if (csc != null) //Might be dealing with a reference from within a nested class to an instance member of an outer class
{
if (csc.IsSameOrDerivedFrom(obType))
{
break;
}
il.Emit(OpCodes.Ldfld, csc.outerClassField);
}
scope = scope.GetParent();
}
}
else
{
this.TranslateToILDefaultThisObject(il, this.lexLevel);
Convert.Emit(this, il, Typeob.Object, obType);
}
}
else
{
ScriptObject scope = Globals.ScopeStack.Peek();
while (scope is WithObject || scope is BlockScope)
{
scope = scope.GetParent();
}
if (scope is FunctionScope)
{
FunctionObject func = ((FunctionScope)scope).owner;
if (!func.isMethod) //Need to get the StackFrame.closureInstance on the stack
{
this.EmitILToLoadEngine(il);
il.Emit(OpCodes.Call, CompilerGlobals.scriptObjectStackTopMethod);
scope = this.Globals.ScopeStack.Peek();
while (scope is WithObject || scope is BlockScope)
{
il.Emit(OpCodes.Call, CompilerGlobals.getParentMethod);
scope = scope.GetParent();
}
il.Emit(OpCodes.Castclass, Typeob.StackFrame);
il.Emit(OpCodes.Ldfld, CompilerGlobals.closureInstanceField);
while (scope != null)
{
if (scope is ClassScope) //Might be dealing with a reference from within a nested class to an instance member of an outer class
{
ClassScope csc = (ClassScope)scope;
if (csc.IsSameOrDerivedFrom(obType))
{
break;
}
il.Emit(OpCodes.Castclass, csc.GetTypeBuilder());
il.Emit(OpCodes.Ldfld, csc.outerClassField);
}
scope = scope.GetParent();
}
il.Emit(OpCodes.Castclass, obType);
return;
}
}
il.Emit(OpCodes.Ldarg_0);
while (scope != null)
{
if (scope is ClassScope) //Might be dealing with a reference from within a nested class to an instance member of an outer class
{
ClassScope csc = (ClassScope)scope;
if (csc.IsSameOrDerivedFrom(obType))
{
break;
}
il.Emit(OpCodes.Ldfld, csc.outerClassField);
}
scope = scope.GetParent();
}
}
}
internal Class(Context context, AST id, TypeExpression superTypeExpression, TypeExpression[] interfaces, Block body,
FieldAttributes attributes, bool isAbstract, bool isFinal, bool isStatic, bool isInterface, CustomAttributeList customAttributes)
: base(context) {
this.name = id.ToString();
this.superTypeExpression = superTypeExpression;
this.interfaces = interfaces;
this.body = body;
this.enclosingScope = (ScriptObject)Globals.ScopeStack.Peek(1);
this.attributes = TypeAttributes.Class|TypeAttributes.Serializable;
this.SetAccessibility(attributes);
if (isAbstract)
this.attributes |= TypeAttributes.Abstract;
this.isAbstract = isAbstract || isInterface;
this.isAlreadyPartiallyEvaluated = false;
if (isFinal)
this.attributes |= TypeAttributes.Sealed;
if (isInterface)
this.attributes |= TypeAttributes.Interface | TypeAttributes.Abstract;
this.isCooked = false;
this.cookedType = null;
this.isExpando = false;
this.isInterface = isInterface;
this.isStatic = isStatic;
this.needsEngine = !isInterface;
this.validOn = (AttributeTargets)0;
this.allowMultiple = true;
this.classob = (ClassScope)Globals.ScopeStack.Peek();
this.classob.name = this.name;
this.classob.owner = this;
this.implicitDefaultConstructor = null;
if (!isInterface && !(this is EnumDeclaration))
this.SetupConstructors();
this.EnterNameIntoEnclosingScopeAndGetOwnField(id, isStatic);
this.fields = this.classob.GetMemberFields();
this.superClass = null;
this.superIR = null;
this.superMembers = null;
this.firstIndex = null;
this.fieldInitializer = null;
this.customAttributes = customAttributes;
this.clsCompliance = CLSComplianceSpec.NotAttributed;
this.generateCodeForExpando = false;
this.expandoItemProp = null;
this.getHashTableMethod = null;
this.getItem = null;
this.setItem = null;
}