internal FunctionObject(string name, ParameterDeclaration[] parameter_declarations, TypeExpression return_type_expr, Block body, FunctionScope own_scope, ScriptObject enclosing_scope, Context funcContext, MethodAttributes attributes, CustomAttributeList customAttributes, bool isMethod) : base(body.Globals.globalObject.originalFunction.originalPrototype, name, parameter_declarations.Length)
 {
     this.parameter_declarations = parameter_declarations;
     int length = parameter_declarations.Length;
     this.formal_parameters = new string[length];
     for (int i = 0; i < length; i++)
     {
         this.formal_parameters[i] = parameter_declarations[i].identifier;
     }
     this.argumentsSlotNumber = 0;
     this.return_type_expr = return_type_expr;
     if (this.return_type_expr != null)
     {
         own_scope.AddReturnValueField();
     }
     this.body = body;
     this.method = null;
     this.parameterInfos = null;
     this.funcContext = funcContext;
     this.own_scope = own_scope;
     this.own_scope.owner = this;
     if ((!(enclosing_scope is ActivationObject) || !((ActivationObject) enclosing_scope).fast) && !isMethod)
     {
         this.argumentsSlotNumber = this.own_scope.GetNextSlotNumber();
         JSLocalField field = (JSLocalField) this.own_scope.AddNewField("arguments", null, FieldAttributes.PrivateScope);
         field.type = new TypeExpression(new ConstantWrapper(Typeob.Object, funcContext));
         field.isDefined = true;
         this.hasArgumentsObject = true;
     }
     else
     {
         this.hasArgumentsObject = false;
     }
     this.implementedIface = null;
     this.implementedIfaceMethod = null;
     this.isMethod = isMethod;
     this.isExpandoMethod = (customAttributes != null) && customAttributes.ContainsExpandoAttribute();
     this.isStatic = this.own_scope.isStatic = (attributes & MethodAttributes.Static) != MethodAttributes.PrivateScope;
     this.suppressIL = false;
     this.noVersionSafeAttributeSpecified = true;
     this.fields = this.own_scope.GetLocalFields();
     this.enclosing_scope = enclosing_scope;
     this.must_save_stack_locals = false;
     this.text = null;
     this.mb = null;
     this.cb = null;
     this.attributes = attributes;
     if (!this.isStatic)
     {
         this.attributes |= MethodAttributes.HideBySig;
     }
     this.globals = body.Globals;
     this.superConstructor = null;
     this.superConstructorCall = null;
     this.customAttributes = customAttributes;
     base.noExpando = false;
     this.clsCompliance = CLSComplianceSpec.NotAttributed;
     this.engineLocal = null;
     this.partiallyEvaluated = false;
 }
 internal EnumDeclaration(Context context, IdentifierLiteral id, TypeExpression baseType, Block body, FieldAttributes attributes, CustomAttributeList customAttributes) : base(context, id, new TypeExpression(new ConstantWrapper(Typeob.Enum, null)), new TypeExpression[0], body, attributes, false, false, true, false, customAttributes)
 {
     this.baseType = (baseType != null) ? baseType : new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
     base.needsEngine = false;
     base.attributes &= TypeAttributes.NestedFamORAssem;
     TypeExpression expression = new TypeExpression(new ConstantWrapper(base.classob, base.context));
     AST ast = new ConstantWrapper(-1, null);
     AST ast2 = new ConstantWrapper(1, null);
     JSMemberField[] fields = base.fields;
     for (int i = 0; i < fields.Length; i++)
     {
         FieldInfo info = fields[i];
         JSVariableField field = (JSVariableField) info;
         field.attributeFlags = FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.Public;
         field.type = expression;
         if (field.value == null)
         {
             field.value = ast = new Plus(ast.context, ast, ast2);
         }
         else
         {
             ast = (AST) field.value;
         }
         field.value = new DeclaredEnumValue(field.value, field.Name, base.classob);
     }
 }
Пример #3
0
 internal ParameterDeclaration(Type type, String identifier)
     : base()
 {
     this.identifier       = identifier;
     this.type             = new TypeExpression(new ConstantWrapper(type, null));
     this.customAttributes = null;
 }
Пример #4
0
        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;
            }
        }
        public object[] GetCustomAttributes(bool inherit)
        {
            CustomAttributeList customAttributes = this.owner.customAttributes;

            if (customAttributes == null)
            {
                return(new object[0]);
            }
            return((object[])customAttributes.Evaluate());
        }
        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;
            }
        }
Пример #7
0
 public override Object[] GetCustomAttributes(bool inherit)
 {
     if (this.cons != null)
     {
         CustomAttributeList caList = this.cons.customAttributes;
         if (caList != null)
         {
             return((Object[])caList.Evaluate(false));
         }
     }
     return(new Object[0]);
 }
Пример #8
0
 public override object[] GetCustomAttributes(bool inherit)
 {
     if (this.func != null)
     {
         CustomAttributeList customAttributes = this.func.customAttributes;
         if (customAttributes != null)
         {
             return((object[])customAttributes.Evaluate(inherit));
         }
     }
     return(new object[0]);
 }
Пример #9
0
        public Object[] GetCustomAttributes(bool inherit)
        {
            CustomAttributeList caList = this.owner.customAttributes;

            if (caList == null)
            {
                return(new Object[0]);
            }
            else
            {
                return((Object[])caList.Evaluate());
            }
        }
Пример #10
0
 internal ParameterDeclaration(Context context, String identifier, TypeExpression type, CustomAttributeList customAttributes)
   : base() {
   this.identifier = identifier;
   this.type = type == null ? new TypeExpression(new ConstantWrapper(Typeob.Object, context)) : type;
   this.context = context;
   ActivationObject current_scope = (ActivationObject)context.document.engine.Globals.ScopeStack.Peek();
   if (current_scope.name_table[this.identifier] != null)
     //Only happens if there is another parameter declarations with the same name
     context.HandleError(JSError.DuplicateName, this.identifier, current_scope is ClassScope || current_scope.fast || type != null);
   else{
     JSVariableField field = current_scope.AddNewField(this.identifier, null, 0);
     field.originalContext = context;
   }
   this.customAttributes = customAttributes;
 }
 internal ParameterDeclaration(Context context, string identifier, TypeExpression type, CustomAttributeList customAttributes)
 {
     this.identifier = identifier;
     this.type = (type == null) ? new TypeExpression(new ConstantWrapper(Typeob.Object, context)) : type;
     this.context = context;
     ActivationObject obj2 = (ActivationObject) context.document.engine.Globals.ScopeStack.Peek();
     if (obj2.name_table[this.identifier] != null)
     {
         context.HandleError(JSError.DuplicateName, this.identifier, ((obj2 is ClassScope) || obj2.fast) || (type != null));
     }
     else
     {
         obj2.AddNewField(this.identifier, null, FieldAttributes.PrivateScope).originalContext = context;
     }
     this.customAttributes = customAttributes;
 }
Пример #12
0
 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;
 }
Пример #13
0
        internal ParameterDeclaration(Context context, string identifier, TypeExpression type, CustomAttributeList customAttributes)
        {
            this.identifier = identifier;
            this.type       = (type == null) ? new TypeExpression(new ConstantWrapper(Typeob.Object, context)) : type;
            this.context    = context;
            ActivationObject obj2 = (ActivationObject)context.document.engine.Globals.ScopeStack.Peek();

            if (obj2.name_table[this.identifier] != null)
            {
                context.HandleError(JSError.DuplicateName, this.identifier, ((obj2 is ClassScope) || obj2.fast) || (type != null));
            }
            else
            {
                obj2.AddNewField(this.identifier, null, FieldAttributes.PrivateScope).originalContext = context;
            }
            this.customAttributes = customAttributes;
        }
 internal VariableDeclaration(Context context, Lookup identifier, TypeExpression type, AST initializer, FieldAttributes attributes, CustomAttributeList customAttributes)
   : base(context) {
   if (initializer != null)
     this.context.UpdateWith(initializer.context);
   else if (type != null)
     this.context.UpdateWith(type.context);
   this.identifier = identifier;
   this.type = type;
   this.initializer = initializer;
   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();
   String name = this.identifier.ToString();
   if (current_scope is ClassScope){
     if (name == ((ClassScope)current_scope).name){
       identifier.context.HandleError(JSError.CannotUseNameOfClass);
       name = name + " var";
     }
   }else{
     if (attributes != (FieldAttributes)0){
       this.context.HandleError(JSError.NotInsideClass);
       attributes = FieldAttributes.Public;
     }else
       attributes |= FieldAttributes.Public;
   }
   FieldInfo field = ((IActivationObject)current_scope).GetLocalField(name);
   if (field != null){
     if (field.IsLiteral || current_scope is ClassScope || type != null)
       identifier.context.HandleError(JSError.DuplicateName, true);
     this.type = type = null;
   }
   if (current_scope is ActivationObject)
     if (field == null || field is JSVariableField)
       this.field = ((ActivationObject)current_scope).AddFieldOrUseExistingField(this.identifier.ToString(), Missing.Value, attributes);
     else
       this.field = ((ActivationObject)current_scope).AddNewField(this.identifier.ToString(), null, attributes);
   else
     this.field = ((StackFrame)current_scope).AddNewField(this.identifier.ToString(), null, 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;
   this.completion = new Completion();
 }
Пример #15
0
 internal EnumDeclaration(Context context, IdentifierLiteral id, TypeExpression baseType, Block body, FieldAttributes attributes, CustomAttributeList customAttributes)
   : base(context, id, new TypeExpression(new ConstantWrapper(typeof(Enum), null)), new TypeExpression[0], body, attributes, false, false, true, false, customAttributes){
   this.baseType = baseType != null ? baseType : new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
   this.needsEngine = false;
   this.attributes &= TypeAttributes.VisibilityMask;
   TypeExpression thisType = new TypeExpression(new ConstantWrapper(this.classob, this.context));
   AST currentValue = new ConstantWrapper(-1, null);
   AST one = new ConstantWrapper(1, null);
   foreach (FieldInfo f in this.fields){
     JSVariableField field = (JSVariableField)f;
     field.attributeFlags = FieldAttributes.Public|FieldAttributes.Static|FieldAttributes.Literal;
     field.type = thisType;
     if (field.value == null)
       field.value = currentValue = new Plus(currentValue.context, currentValue, one);
     else
       currentValue = (AST)field.value;
     field.value = new EnumWrapper(field.value, field.Name, this.classob);
   }
 }
Пример #16
0
        internal ParameterDeclaration(Context context, String identifier, TypeExpression type, CustomAttributeList customAttributes)
            : base()
        {
            this.identifier = identifier;
            this.type       = type == null ? new TypeExpression(new ConstantWrapper(Typeob.Object, context)) : type;
            this.context    = context;
            ActivationObject current_scope = (ActivationObject)context.document.engine.Globals.ScopeStack.Peek();

            if (current_scope.name_table[this.identifier] != null)
            {
                //Only happens if there is another parameter declarations with the same name
                context.HandleError(JSError.DuplicateName, this.identifier, current_scope is ClassScope || current_scope.fast || type != null);
            }
            else
            {
                JSVariableField field = current_scope.AddNewField(this.identifier, null, 0);
                field.originalContext = context;
            }
            this.customAttributes = customAttributes;
        }
Пример #17
0
 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;
 }
 private AST ParseVariableStatement(FieldAttributes visibility, CustomAttributeList customAttributes, JSToken kind)
 {
     Block block = new Block(this.currentToken.Clone());
     bool flag = true;
     AST elem = null;
 Label_0015:
     this.noSkipTokenSet.Add(NoSkipTokenSet.s_EndOfLineToken);
     try
     {
         elem = this.ParseIdentifierInitializer(JSToken.None, visibility, customAttributes, kind);
     }
     catch (RecoveryTokenException exception)
     {
         if ((exception._partiallyComputedNode != null) && !flag)
         {
             block.Append(exception._partiallyComputedNode);
             block.context.UpdateWith(exception._partiallyComputedNode.context);
             exception._partiallyComputedNode = block;
         }
         if (this.IndexOfToken(NoSkipTokenSet.s_EndOfLineToken, exception) == -1)
         {
             throw exception;
         }
         if (flag)
         {
             elem = exception._partiallyComputedNode;
         }
     }
     finally
     {
         this.noSkipTokenSet.Remove(NoSkipTokenSet.s_EndOfLineToken);
     }
     if ((JSToken.Semicolon == this.currentToken.token) || (JSToken.RightCurly == this.currentToken.token))
     {
         if (JSToken.Semicolon == this.currentToken.token)
         {
             elem.context.UpdateWith(this.currentToken);
             this.GetNextToken();
         }
     }
     else
     {
         if (JSToken.Comma == this.currentToken.token)
         {
             flag = false;
             block.Append(elem);
             goto Label_0015;
         }
         if (!this.scanner.GotEndOfLine())
         {
             this.ReportError(JSError.NoSemicolon, true);
         }
     }
     if (flag)
     {
         return elem;
     }
     block.Append(elem);
     block.context.UpdateWith(elem.context);
     return block;
 }
        internal EnumDeclaration(Context context, IdentifierLiteral id, TypeExpression baseType, Block body, FieldAttributes attributes, CustomAttributeList customAttributes) : base(context, id, new TypeExpression(new ConstantWrapper(Typeob.Enum, null)), new TypeExpression[0], body, attributes, false, false, true, false, customAttributes)
        {
            this.baseType    = (baseType != null) ? baseType : new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
            base.needsEngine = false;
            base.attributes &= TypeAttributes.NestedFamORAssem;
            TypeExpression expression = new TypeExpression(new ConstantWrapper(base.classob, base.context));
            AST            ast        = new ConstantWrapper(-1, null);
            AST            ast2       = new ConstantWrapper(1, null);

            JSMemberField[] fields = base.fields;
            for (int i = 0; i < fields.Length; i++)
            {
                FieldInfo       info  = fields[i];
                JSVariableField field = (JSVariableField)info;
                field.attributeFlags = FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.Public;
                field.type           = expression;
                if (field.value == null)
                {
                    field.value = ast = new Plus(ast.context, ast, ast2);
                }
                else
                {
                    ast = (AST)field.value;
                }
                field.value = new DeclaredEnumValue(field.value, field.Name, base.classob);
            }
        }
Пример #20
0
        internal EnumDeclaration(Context context, IdentifierLiteral id, TypeExpression baseType, Block body, FieldAttributes attributes, CustomAttributeList customAttributes)
            : base(context, id, new TypeExpression(new ConstantWrapper(typeof(Enum), null)), new TypeExpression[0], body, attributes, false, false, true, false, customAttributes)
        {
            this.baseType    = baseType != null ? baseType : new TypeExpression(new ConstantWrapper(Typeob.Int32, null));
            this.needsEngine = false;
            this.attributes &= TypeAttributes.VisibilityMask;
            TypeExpression thisType     = new TypeExpression(new ConstantWrapper(this.classob, this.context));
            AST            currentValue = new ConstantWrapper(-1, null);
            AST            one          = new ConstantWrapper(1, null);

            foreach (FieldInfo f in this.fields)
            {
                JSVariableField field = (JSVariableField)f;
                field.attributeFlags = FieldAttributes.Public | FieldAttributes.Static | FieldAttributes.Literal;
                field.type           = thisType;
                if (field.value == null)
                {
                    field.value = currentValue = new Plus(currentValue.context, currentValue, one);
                }
                else
                {
                    currentValue = (AST)field.value;
                }
                field.value = new EnumWrapper(field.value, field.Name, this.classob);
            }
        }
 private AST ParseEnum(FieldAttributes visibilitySpec, Context enumCtx, CustomAttributeList customAttributes)
 {
     IdentifierLiteral name = null;
     AST ast = null;
     TypeExpression baseType = null;
     Block body = null;
     AST ast2;
     this.GetNextToken();
     if (JSToken.Identifier == this.currentToken.token)
     {
         name = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
     }
     else
     {
         this.ReportError(JSError.NoIdentifier);
         if ((JSToken.Colon != this.currentToken.token) && (JSToken.LeftCurly != this.currentToken.token))
         {
             this.SkipTokensAndThrow();
         }
         name = new IdentifierLiteral("##Missing Enum Name##" + s_cDummyName++, this.CurrentPositionContext());
     }
     this.GetNextToken();
     if (JSToken.Colon == this.currentToken.token)
     {
         this.noSkipTokenSet.Add(NoSkipTokenSet.s_EnumBaseTypeNoSkipTokenSet);
         try
         {
             ast = this.ParseQualifiedIdentifier(JSError.NeedType);
         }
         catch (RecoveryTokenException exception)
         {
             if (this.IndexOfToken(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet, exception) == -1)
             {
                 exception._partiallyComputedNode = null;
                 throw exception;
             }
             ast = exception._partiallyComputedNode;
         }
         finally
         {
             this.noSkipTokenSet.Remove(NoSkipTokenSet.s_EnumBaseTypeNoSkipTokenSet);
         }
     }
     if (ast != null)
     {
         baseType = new TypeExpression(ast);
     }
     if (JSToken.LeftCurly != this.currentToken.token)
     {
         this.ReportError(JSError.NoLeftCurly);
     }
     ArrayList blockType = this.blockType;
     this.blockType = new ArrayList(0x10);
     SimpleHashtable labelTable = this.labelTable;
     this.labelTable = new SimpleHashtable(0x10);
     this.Globals.ScopeStack.Push(new ClassScope(name, ((IActivationObject) this.Globals.ScopeStack.Peek()).GetGlobalScope()));
     try
     {
         body = this.ParseClassBody(true, false);
         enumCtx.UpdateWith(body.context);
         EnumDeclaration target = new EnumDeclaration(enumCtx, name, baseType, body, visibilitySpec, customAttributes);
         if (customAttributes != null)
         {
             customAttributes.SetTarget(target);
         }
         ast2 = target;
     }
     catch (RecoveryTokenException exception2)
     {
         enumCtx.UpdateWith(exception2._partiallyComputedNode.context);
         exception2._partiallyComputedNode = new EnumDeclaration(enumCtx, name, baseType, (Block) exception2._partiallyComputedNode, visibilitySpec, customAttributes);
         if (customAttributes != null)
         {
             customAttributes.SetTarget(exception2._partiallyComputedNode);
         }
         throw exception2;
     }
     finally
     {
         this.Globals.ScopeStack.Pop();
         this.blockType = blockType;
         this.labelTable = labelTable;
     }
     return ast2;
 }
        internal VariableDeclaration(Context context, Lookup identifier, TypeExpression type, AST initializer, FieldAttributes attributes, CustomAttributeList customAttributes) : base(context)
        {
            if (initializer != null)
            {
                base.context.UpdateWith(initializer.context);
            }
            else if (type != null)
            {
                base.context.UpdateWith(type.context);
            }
            this.identifier  = identifier;
            this.type        = type;
            this.initializer = initializer;
            ScriptObject parent = base.Globals.ScopeStack.Peek();

            while (parent is WithObject)
            {
                parent = parent.GetParent();
            }
            string name = this.identifier.ToString();

            if (parent is ClassScope)
            {
                if (name == ((ClassScope)parent).name)
                {
                    identifier.context.HandleError(JSError.CannotUseNameOfClass);
                    name = name + " var";
                }
            }
            else if (attributes != FieldAttributes.PrivateScope)
            {
                base.context.HandleError(JSError.NotInsideClass);
                attributes = FieldAttributes.Public;
            }
            else
            {
                attributes |= FieldAttributes.Public;
            }
            FieldInfo localField = ((IActivationObject)parent).GetLocalField(name);

            if (localField != null)
            {
                if ((localField.IsLiteral || (parent is ClassScope)) || (type != null))
                {
                    identifier.context.HandleError(JSError.DuplicateName, true);
                }
                this.type = (TypeExpression)(type = null);
            }
            if (parent is ActivationObject)
            {
                if ((localField == null) || (localField is JSVariableField))
                {
                    this.field = ((ActivationObject)parent).AddFieldOrUseExistingField(this.identifier.ToString(), Microsoft.JScript.Missing.Value, attributes);
                }
                else
                {
                    this.field = ((ActivationObject)parent).AddNewField(this.identifier.ToString(), null, attributes);
                }
            }
            else
            {
                this.field = ((StackFrame)parent).AddNewField(this.identifier.ToString(), null, 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;
            }
            this.completion = new Completion();
        }
Пример #23
0
        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);
            }
        }
Пример #24
0
 internal AssemblyCustomAttributeList(CustomAttributeList list) : base(list.context)
 {
     this.list    = list;
     this.okToUse = false;
 }
 private CustomAttributeList ParseCustomAttributeList()
 {
     CustomAttributeList list = new CustomAttributeList(this.currentToken.Clone());
     while (true)
     {
         bool flag;
         Context context = this.currentToken.Clone();
         bool canBeAttribute = true;
         AST func = this.ParseUnaryExpression(out flag, ref canBeAttribute, false, false);
         if (canBeAttribute)
         {
             if ((func is Lookup) || (func is Member))
             {
                 list.Append(new Microsoft.JScript.CustomAttribute(func.context, func, new ASTList(null)));
             }
             else
             {
                 list.Append(((Call) func).ToCustomAttribute());
             }
         }
         else if (this.tokensSkipped == 0)
         {
             this.ReportError(JSError.SyntaxError, context);
         }
         if (this.currentToken.token == JSToken.RightBracket)
         {
             return list;
         }
         if (this.currentToken.token == JSToken.Comma)
         {
             this.GetNextToken();
         }
         else
         {
             this.ReportError(JSError.NoRightBracketOrComma);
             this.SkipTokensAndThrow();
         }
     }
 }
 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);
     }
 }
Пример #27
0
      //---------------------------------------------------------------------------------------
      // ParseEnum
      //
      //  Enum :
      //    'enum' identifier [':' baseType] EnumBody (in the guise of ClassBody with a param)
      //
      //---------------------------------------------------------------------------------------
      private AST ParseEnum(FieldAttributes visibilitySpec, Context enumCtx, CustomAttributeList customAttributes){
        IdentifierLiteral name = null;
        AST baseId = null;
        TypeExpression baseType = null;
        Block body = null;

        GetNextToken();
        if (JSToken.Identifier == this.currentToken.token){
          name = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
        }else{
          ReportError(JSError.NoIdentifier);
          if (JSToken.Colon != this.currentToken.token && JSToken.LeftCurly != this.currentToken.token)
            SkipTokensAndThrow(); // what the is this?
          name = new IdentifierLiteral("##Missing Enum Name##" + s_cDummyName++, CurrentPositionContext());
        }

        GetNextToken();
        if (JSToken.Colon == this.currentToken.token){
          this.noSkipTokenSet.Add(NoSkipTokenSet.s_EnumBaseTypeNoSkipTokenSet);
          try{
            baseId = ParseQualifiedIdentifier(JSError.NeedType);
          }catch(RecoveryTokenException exc){
            if (IndexOfToken(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet, exc) == -1){
              exc._partiallyComputedNode = null;
              throw exc;
            }else{
              baseId = exc._partiallyComputedNode;
            }
          }finally{
            this.noSkipTokenSet.Remove(NoSkipTokenSet.s_EnumBaseTypeNoSkipTokenSet);
          }
        }
        if (baseId != null)
          baseType = new TypeExpression(baseId);
        if (JSToken.LeftCurly != this.currentToken.token)
          ReportError(JSError.NoLeftCurly);

        // make a new state and save the old one
        ArrayList blockType = this.blockType;
        this.blockType = new ArrayList(16);
        SimpleHashtable labelTable = this.labelTable;
        this.labelTable = new SimpleHashtable(16);

        Globals.ScopeStack.Push(new ClassScope(name, ((IActivationObject)Globals.ScopeStack.Peek()).GetGlobalScope())); //Give declarations a place to go while building AST

        try{
          body = ParseClassBody(true, false);
          enumCtx.UpdateWith(body.context);
          EnumDeclaration result = new EnumDeclaration(enumCtx, name, baseType, body, visibilitySpec, customAttributes);
          if (customAttributes != null) customAttributes.SetTarget(result);
          return result;
        }catch(RecoveryTokenException exc){
          enumCtx.UpdateWith(exc._partiallyComputedNode.context);
          exc._partiallyComputedNode =  new EnumDeclaration(enumCtx, name, baseType, (Block)exc._partiallyComputedNode, visibilitySpec, customAttributes);
          if (customAttributes != null) customAttributes.SetTarget(exc._partiallyComputedNode);
          throw exc;
        }finally{
          Globals.ScopeStack.Pop();
          this.blockType = blockType;
          this.labelTable = labelTable;
        }
      }
Пример #28
0
      //---------------------------------------------------------------------------------------
      // ParseClass
      //
      //  Class :
      //    'class' identifier OptionalExtends ClassBody
      //
      //  Extends :
      //    'extends' QualifiedIdentifier
      //
      //---------------------------------------------------------------------------------------
      private AST ParseClass(FieldAttributes visibilitySpec, bool isStatic, Context classCtx, bool isAbstract, bool isFinal, CustomAttributeList customAttributes){
        AST name = null;
        AST baseId = null;
        TypeExpression baseType = null;
        Block body = null;
        ArrayList interfaces = new ArrayList();

        bool isInterface = JSToken.Interface == this.currentToken.token;

        GetNextToken();
        if (JSToken.Identifier == this.currentToken.token){
          name = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
        }else{
          ReportError(JSError.NoIdentifier);
          if (JSToken.Extends != this.currentToken.token
              &&  JSToken.Implements != this.currentToken.token
              &&  JSToken.LeftCurly != this.currentToken.token)
            SkipTokensAndThrow(); // what the is this?
          name = new IdentifierLiteral("##Missing Class Name##" + s_cDummyName++, CurrentPositionContext());
        }

        GetNextToken();
        if (JSToken.Extends == this.currentToken.token || JSToken.Implements == this.currentToken.token){
          if (isInterface && JSToken.Extends == this.currentToken.token)
            this.currentToken.token = JSToken.Implements;
          if (JSToken.Extends == this.currentToken.token){
            this.noSkipTokenSet.Add(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet);
            try{
              baseId = ParseQualifiedIdentifier(JSError.NeedType);
            }catch(RecoveryTokenException exc){
              if (IndexOfToken(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet, exc) == -1){
                exc._partiallyComputedNode = null;
                throw exc;
              }else{
                baseId = exc._partiallyComputedNode;
              }
            }finally{
              this.noSkipTokenSet.Remove(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet);
            }
          }
          if (JSToken.Implements == this.currentToken.token){
            do{
              AST typeId = null;
              this.noSkipTokenSet.Add(NoSkipTokenSet.s_ClassImplementsNoSkipTokenSet);
              try{
                typeId = ParseQualifiedIdentifier(JSError.NeedType);
                interfaces.Add(new TypeExpression(typeId));
              }catch(RecoveryTokenException exc){
                if (IndexOfToken(NoSkipTokenSet.s_ClassImplementsNoSkipTokenSet, exc) == -1){
                  exc._partiallyComputedNode = null;
                  throw exc;
                }else{
                  if (exc._partiallyComputedNode != null)
                    interfaces.Add(new TypeExpression(exc._partiallyComputedNode));
                }
              }finally{
                this.noSkipTokenSet.Remove(NoSkipTokenSet.s_ClassImplementsNoSkipTokenSet);
              }
            }while (JSToken.Comma == this.currentToken.token);
          }
        }
        if (baseId != null)
          baseType = new TypeExpression(baseId);
        if (JSToken.LeftCurly != this.currentToken.token){
          ReportError(JSError.NoLeftCurly);
        }

        // make a new state and save the old one
        ArrayList blockType = this.blockType;
        this.blockType = new ArrayList(16);
        SimpleHashtable labelTable = this.labelTable;
        this.labelTable = new SimpleHashtable(16);

        Globals.ScopeStack.Push(new ClassScope(name, ((IActivationObject)Globals.ScopeStack.Peek()).GetGlobalScope())); //Give declarations a place to go while building AST

        TypeExpression[] ifaces;
        try{
          body = ParseClassBody(false, isInterface);
          classCtx.UpdateWith(body.context);
          ifaces = new TypeExpression[interfaces.Count]; interfaces.CopyTo(ifaces);
          Class result = new Class(classCtx, name, baseType, ifaces, body, visibilitySpec, isAbstract, isFinal, isStatic, isInterface, customAttributes);
          if (customAttributes != null) customAttributes.SetTarget(result);
          return result;
        }catch(RecoveryTokenException exc){
          classCtx.UpdateWith(exc._partiallyComputedNode.context);
          ifaces = new TypeExpression[interfaces.Count]; interfaces.CopyTo(ifaces);
          exc._partiallyComputedNode =
            new Class(classCtx, name, baseType, ifaces, (Block)exc._partiallyComputedNode, visibilitySpec, isAbstract, isFinal, isStatic, isInterface, customAttributes);
          if (customAttributes != null) customAttributes.SetTarget(exc._partiallyComputedNode);
          throw exc;
        }finally{
          Globals.ScopeStack.Pop();
          this.blockType = blockType;
          this.labelTable = labelTable;
        }

      }
 internal VariableDeclaration(Context context, Lookup identifier, TypeExpression type, AST initializer, FieldAttributes attributes, CustomAttributeList customAttributes) : base(context)
 {
     if (initializer != null)
     {
         base.context.UpdateWith(initializer.context);
     }
     else if (type != null)
     {
         base.context.UpdateWith(type.context);
     }
     this.identifier = identifier;
     this.type = type;
     this.initializer = initializer;
     ScriptObject parent = base.Globals.ScopeStack.Peek();
     while (parent is WithObject)
     {
         parent = parent.GetParent();
     }
     string name = this.identifier.ToString();
     if (parent is ClassScope)
     {
         if (name == ((ClassScope) parent).name)
         {
             identifier.context.HandleError(JSError.CannotUseNameOfClass);
             name = name + " var";
         }
     }
     else if (attributes != FieldAttributes.PrivateScope)
     {
         base.context.HandleError(JSError.NotInsideClass);
         attributes = FieldAttributes.Public;
     }
     else
     {
         attributes |= FieldAttributes.Public;
     }
     FieldInfo localField = ((IActivationObject) parent).GetLocalField(name);
     if (localField != null)
     {
         if ((localField.IsLiteral || (parent is ClassScope)) || (type != null))
         {
             identifier.context.HandleError(JSError.DuplicateName, true);
         }
         this.type = (TypeExpression) (type = null);
     }
     if (parent is ActivationObject)
     {
         if ((localField == null) || (localField is JSVariableField))
         {
             this.field = ((ActivationObject) parent).AddFieldOrUseExistingField(this.identifier.ToString(), Microsoft.JScript.Missing.Value, attributes);
         }
         else
         {
             this.field = ((ActivationObject) parent).AddNewField(this.identifier.ToString(), null, attributes);
         }
     }
     else
     {
         this.field = ((StackFrame) parent).AddNewField(this.identifier.ToString(), null, 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;
     }
     this.completion = new Completion();
 }
Пример #30
0
 internal ParameterDeclaration(Type type, String identifier)
   : base(){
   this.identifier = identifier;
   this.type = new TypeExpression(new ConstantWrapper(type, null));
   this.customAttributes = null;
 }
 private AST ParseIdentifierInitializer(JSToken inToken, FieldAttributes visibility, CustomAttributeList customAttributes, JSToken kind)
 {
     Lookup identifier = null;
     TypeExpression type = null;
     AST initializer = null;
     RecoveryTokenException exception = null;
     this.GetNextToken();
     if (JSToken.Identifier != this.currentToken.token)
     {
         string name = JSKeyword.CanBeIdentifier(this.currentToken.token);
         if (name != null)
         {
             this.ForceReportInfo(JSError.KeywordUsedAsIdentifier);
             identifier = new Lookup(name, this.currentToken.Clone());
         }
         else
         {
             this.ReportError(JSError.NoIdentifier);
             identifier = new Lookup("#_Missing Identifier_#" + s_cDummyName++, this.CurrentPositionContext());
         }
     }
     else
     {
         identifier = new Lookup(this.scanner.GetIdentifier(), this.currentToken.Clone());
     }
     this.GetNextToken();
     Context context = identifier.context.Clone();
     this.noSkipTokenSet.Add(NoSkipTokenSet.s_VariableDeclNoSkipTokenSet);
     try
     {
         if (JSToken.Colon == this.currentToken.token)
         {
             try
             {
                 type = this.ParseTypeExpression();
             }
             catch (RecoveryTokenException exception2)
             {
                 type = (TypeExpression) exception2._partiallyComputedNode;
                 throw exception2;
             }
             finally
             {
                 if (type != null)
                 {
                     context.UpdateWith(type.context);
                 }
             }
         }
         if ((JSToken.Assign == this.currentToken.token) || (JSToken.Equal == this.currentToken.token))
         {
             if (JSToken.Equal == this.currentToken.token)
             {
                 this.ReportError(JSError.NoEqual, true);
             }
             this.GetNextToken();
             try
             {
                 initializer = this.ParseExpression(true, inToken);
             }
             catch (RecoveryTokenException exception3)
             {
                 initializer = exception3._partiallyComputedNode;
                 throw exception3;
             }
             finally
             {
                 if (initializer != null)
                 {
                     context.UpdateWith(initializer.context);
                 }
             }
         }
     }
     catch (RecoveryTokenException exception4)
     {
         if (this.IndexOfToken(NoSkipTokenSet.s_VariableDeclNoSkipTokenSet, exception4) == -1)
         {
             exception = exception4;
         }
     }
     finally
     {
         this.noSkipTokenSet.Remove(NoSkipTokenSet.s_VariableDeclNoSkipTokenSet);
     }
     AST target = null;
     if (JSToken.Var == kind)
     {
         target = new VariableDeclaration(context, identifier, type, initializer, visibility, customAttributes);
     }
     else
     {
         if (initializer == null)
         {
             this.ForceReportInfo(JSError.NoEqual);
         }
         target = new Constant(context, identifier, type, initializer, visibility, customAttributes);
     }
     if (customAttributes != null)
     {
         customAttributes.SetTarget(target);
     }
     if (exception != null)
     {
         exception._partiallyComputedNode = target;
         throw exception;
     }
     return target;
 }
Пример #32
0
      //---------------------------------------------------------------------------------------
      // FromASTListToCustomAttributeList
      //
      //  Utility function that takes a list of AST nodes (Call and Lookup nodes) and makes
      //  a CustomAttributeList. It is invoked once a list of calls and lookups is unambiguosly
      //  parsed as a custom attribute list
      //---------------------------------------------------------------------------------------
      private CustomAttributeList FromASTListToCustomAttributeList(ArrayList attributes){
        CustomAttributeList customAttributes = null;
        if (attributes != null && attributes.Count > 0)
          customAttributes = new CustomAttributeList(((AST)attributes[0]).context);
          for (int i = 0, n = attributes.Count; i < n; i++){
            ASTList args = new ASTList(null);
            if (attributes[i] is Lookup || attributes[i] is Member)
              customAttributes.Append(new CustomAttribute(((AST)attributes[i]).context, (AST)attributes[i], args));
            else
              customAttributes.Append(((Call)attributes[i]).ToCustomAttribute());
          }

        return customAttributes;
      }
 private AST ParseFunction(FieldAttributes visibilitySpec, bool inExpression, Context fncCtx, bool isMethod, bool isAbstract, bool isFinal, bool isInterface, CustomAttributeList customAttributes, Call function)
 {
     AST ast2;
     if (this.demandFullTrustOnFunctionCreation)
     {
         new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Demand();
     }
     IdentifierLiteral id = null;
     AST rootObject = null;
     ArrayList parameters = null;
     TypeExpression expression = null;
     Block body = null;
     bool isGetter = false;
     bool isSetter = false;
     if (function == null)
     {
         this.GetNextToken();
         if (isMethod)
         {
             if (JSToken.Get == this.currentToken.token)
             {
                 isGetter = true;
                 this.GetNextToken();
             }
             else if (JSToken.Set == this.currentToken.token)
             {
                 isSetter = true;
                 this.GetNextToken();
             }
         }
         if (JSToken.Identifier == this.currentToken.token)
         {
             id = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
             this.GetNextToken();
             if (JSToken.AccessField == this.currentToken.token)
             {
                 if (isInterface)
                 {
                     this.ReportError(JSError.SyntaxError, true);
                 }
                 this.GetNextToken();
                 if (JSToken.Identifier == this.currentToken.token)
                 {
                     rootObject = new Lookup(id.context);
                     id = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
                     this.GetNextToken();
                     while (JSToken.AccessField == this.currentToken.token)
                     {
                         this.GetNextToken();
                         if (JSToken.Identifier == this.currentToken.token)
                         {
                             rootObject = new Member(rootObject.context.CombineWith(this.currentToken), rootObject, new ConstantWrapper(id.ToString(), id.context));
                             id = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
                             this.GetNextToken();
                         }
                         else
                         {
                             this.ReportError(JSError.NoIdentifier, true);
                         }
                     }
                 }
                 else
                 {
                     this.ReportError(JSError.NoIdentifier, true);
                 }
             }
         }
         else
         {
             string identifier = JSKeyword.CanBeIdentifier(this.currentToken.token);
             if (identifier != null)
             {
                 this.ForceReportInfo(JSError.KeywordUsedAsIdentifier, isMethod);
                 id = new IdentifierLiteral(identifier, this.currentToken.Clone());
                 this.GetNextToken();
             }
             else
             {
                 if (!inExpression)
                 {
                     identifier = this.currentToken.GetCode();
                     this.ReportError(JSError.NoIdentifier, true);
                     this.GetNextToken();
                 }
                 else
                 {
                     identifier = "";
                 }
                 id = new IdentifierLiteral(identifier, this.CurrentPositionContext());
             }
         }
     }
     else
     {
         id = function.GetName();
     }
     ArrayList blockType = this.blockType;
     this.blockType = new ArrayList(0x10);
     SimpleHashtable labelTable = this.labelTable;
     this.labelTable = new SimpleHashtable(0x10);
     FunctionScope item = new FunctionScope(this.Globals.ScopeStack.Peek(), isMethod);
     this.Globals.ScopeStack.Push(item);
     try
     {
         parameters = new ArrayList();
         Context context = null;
         if (function == null)
         {
             if (JSToken.LeftParen != this.currentToken.token)
             {
                 this.ReportError(JSError.NoLeftParen);
             }
             this.GetNextToken();
             while (JSToken.RightParen != this.currentToken.token)
             {
                 if (context != null)
                 {
                     this.ReportError(JSError.ParamListNotLast, context, true);
                     context = null;
                 }
                 string str2 = null;
                 TypeExpression type = null;
                 this.noSkipTokenSet.Add(NoSkipTokenSet.s_FunctionDeclNoSkipTokenSet);
                 try
                 {
                     try
                     {
                         if (JSToken.ParamArray == this.currentToken.token)
                         {
                             context = this.currentToken.Clone();
                             this.GetNextToken();
                         }
                         if ((JSToken.Identifier != this.currentToken.token) && ((str2 = JSKeyword.CanBeIdentifier(this.currentToken.token)) == null))
                         {
                             if (JSToken.LeftCurly == this.currentToken.token)
                             {
                                 this.ReportError(JSError.NoRightParen);
                                 break;
                             }
                             if (JSToken.Comma == this.currentToken.token)
                             {
                                 this.ReportError(JSError.SyntaxError, true);
                             }
                             else
                             {
                                 this.ReportError(JSError.SyntaxError, true);
                                 this.SkipTokensAndThrow();
                             }
                         }
                         else
                         {
                             if (str2 == null)
                             {
                                 str2 = this.scanner.GetIdentifier();
                             }
                             else
                             {
                                 this.ForceReportInfo(JSError.KeywordUsedAsIdentifier);
                             }
                             Context context2 = this.currentToken.Clone();
                             this.GetNextToken();
                             if (JSToken.Colon == this.currentToken.token)
                             {
                                 type = this.ParseTypeExpression();
                                 if (type != null)
                                 {
                                     context2.UpdateWith(type.context);
                                 }
                             }
                             CustomAttributeList list3 = null;
                             if (context != null)
                             {
                                 list3 = new CustomAttributeList(context);
                                 list3.Append(new Microsoft.JScript.CustomAttribute(context, new Lookup("...", context), new ASTList(null)));
                             }
                             parameters.Add(new ParameterDeclaration(context2, str2, type, list3));
                         }
                         if (JSToken.RightParen == this.currentToken.token)
                         {
                             break;
                         }
                         if (JSToken.Comma != this.currentToken.token)
                         {
                             if (JSToken.LeftCurly == this.currentToken.token)
                             {
                                 this.ReportError(JSError.NoRightParen);
                                 break;
                             }
                             if ((JSToken.Identifier == this.currentToken.token) && (type == null))
                             {
                                 this.ReportError(JSError.NoCommaOrTypeDefinitionError);
                             }
                             else
                             {
                                 this.ReportError(JSError.NoComma);
                             }
                         }
                         this.GetNextToken();
                     }
                     catch (RecoveryTokenException exception)
                     {
                         if (this.IndexOfToken(NoSkipTokenSet.s_FunctionDeclNoSkipTokenSet, exception) == -1)
                         {
                             throw exception;
                         }
                     }
                     continue;
                 }
                 finally
                 {
                     this.noSkipTokenSet.Remove(NoSkipTokenSet.s_FunctionDeclNoSkipTokenSet);
                 }
             }
             fncCtx.UpdateWith(this.currentToken);
             if (isGetter && (parameters.Count != 0))
             {
                 this.ReportError(JSError.BadPropertyDeclaration, true);
                 isGetter = false;
             }
             else if (isSetter && (parameters.Count != 1))
             {
                 this.ReportError(JSError.BadPropertyDeclaration, true);
                 isSetter = false;
             }
             this.GetNextToken();
             if (JSToken.Colon == this.currentToken.token)
             {
                 if (isSetter)
                 {
                     this.ReportError(JSError.SyntaxError);
                 }
                 this.noSkipTokenSet.Add(NoSkipTokenSet.s_StartBlockNoSkipTokenSet);
                 try
                 {
                     expression = this.ParseTypeExpression();
                 }
                 catch (RecoveryTokenException exception2)
                 {
                     if (this.IndexOfToken(NoSkipTokenSet.s_StartBlockNoSkipTokenSet, exception2) == -1)
                     {
                         exception2._partiallyComputedNode = null;
                         throw exception2;
                     }
                     if (exception2._partiallyComputedNode != null)
                     {
                         expression = (TypeExpression) exception2._partiallyComputedNode;
                     }
                 }
                 finally
                 {
                     this.noSkipTokenSet.Remove(NoSkipTokenSet.s_StartBlockNoSkipTokenSet);
                 }
                 if (isSetter)
                 {
                     expression = null;
                 }
             }
         }
         else
         {
             function.GetParameters(parameters);
         }
         if ((JSToken.LeftCurly != this.currentToken.token) && (isAbstract || (isMethod && this.GuessIfAbstract())))
         {
             if (!isAbstract)
             {
                 isAbstract = true;
                 this.ReportError(JSError.ShouldBeAbstract, fncCtx, true);
             }
             body = new Block(this.currentToken.Clone());
         }
         else
         {
             if (JSToken.LeftCurly != this.currentToken.token)
             {
                 this.ReportError(JSError.NoLeftCurly, true);
             }
             else if (isAbstract)
             {
                 this.ReportError(JSError.AbstractWithBody, fncCtx, true);
             }
             this.blockType.Add(BlockType.Block);
             this.noSkipTokenSet.Add(NoSkipTokenSet.s_BlockNoSkipTokenSet);
             this.noSkipTokenSet.Add(NoSkipTokenSet.s_StartStatementNoSkipTokenSet);
             try
             {
                 body = new Block(this.currentToken.Clone());
                 this.GetNextToken();
                 while (JSToken.RightCurly != this.currentToken.token)
                 {
                     try
                     {
                         body.Append(this.ParseStatement());
                         continue;
                     }
                     catch (RecoveryTokenException exception3)
                     {
                         if (exception3._partiallyComputedNode != null)
                         {
                             body.Append(exception3._partiallyComputedNode);
                         }
                         if (this.IndexOfToken(NoSkipTokenSet.s_StartStatementNoSkipTokenSet, exception3) == -1)
                         {
                             throw exception3;
                         }
                         continue;
                     }
                 }
                 body.context.UpdateWith(this.currentToken);
                 fncCtx.UpdateWith(this.currentToken);
             }
             catch (RecoveryTokenException exception4)
             {
                 if (this.IndexOfToken(NoSkipTokenSet.s_BlockNoSkipTokenSet, exception4) == -1)
                 {
                     this.Globals.ScopeStack.Pop();
                     try
                     {
                         ParameterDeclaration[] declarationArray = new ParameterDeclaration[parameters.Count];
                         parameters.CopyTo(declarationArray);
                         if (inExpression)
                         {
                             exception4._partiallyComputedNode = new FunctionExpression(fncCtx, id, declarationArray, expression, body, item, visibilitySpec);
                         }
                         else
                         {
                             exception4._partiallyComputedNode = new FunctionDeclaration(fncCtx, rootObject, id, declarationArray, expression, body, item, visibilitySpec, isMethod, isGetter, isSetter, isAbstract, isFinal, customAttributes);
                         }
                         if (customAttributes != null)
                         {
                             customAttributes.SetTarget(exception4._partiallyComputedNode);
                         }
                     }
                     finally
                     {
                         this.Globals.ScopeStack.Push(item);
                     }
                     throw exception4;
                 }
             }
             finally
             {
                 this.blockType.RemoveAt(this.blockType.Count - 1);
                 this.noSkipTokenSet.Remove(NoSkipTokenSet.s_StartStatementNoSkipTokenSet);
                 this.noSkipTokenSet.Remove(NoSkipTokenSet.s_BlockNoSkipTokenSet);
             }
             this.GetNextToken();
         }
     }
     finally
     {
         this.blockType = blockType;
         this.labelTable = labelTable;
         this.Globals.ScopeStack.Pop();
     }
     ParameterDeclaration[] array = new ParameterDeclaration[parameters.Count];
     parameters.CopyTo(array);
     if (inExpression)
     {
         ast2 = new FunctionExpression(fncCtx, id, array, expression, body, item, visibilitySpec);
     }
     else
     {
         ast2 = new FunctionDeclaration(fncCtx, rootObject, id, array, expression, body, item, visibilitySpec, isMethod, isGetter, isSetter, isAbstract, isFinal, customAttributes);
     }
     if (customAttributes != null)
     {
         customAttributes.SetTarget(ast2);
     }
     return ast2;
 }
Пример #34
0
      //---------------------------------------------------------------------------------------
      // ParseVariableStatement
      //
      //  VariableStatement :
      //    ('var' | 'const') VariableDeclarationList
      //
      //  VariableDeclarationList :
      //    VariableDeclaration |
      //    VariableDeclaration ',' VariableDeclarationList
      //
      //  VariableDeclaration :
      //    Identifier Type Initializer
      //
      //  Type :
      //    <empty> |
      //    ':' TypeExpression
      //
      //  Initializer :
      //    <empty> |
      //    '=' AssignmentExpression
      //---------------------------------------------------------------------------------------
      private AST ParseVariableStatement(FieldAttributes visibility, CustomAttributeList customAttributes, JSToken kind){
        Block varList = new Block(this.currentToken.Clone());
        bool single = true;
        AST vdecl = null;

        for (;;){
          this.noSkipTokenSet.Add(NoSkipTokenSet.s_EndOfLineToken);
          try{
            vdecl = ParseIdentifierInitializer(JSToken.None, visibility, customAttributes, kind);
          }catch(RecoveryTokenException exc){
            // an exception is passing by, possibly bringing some info, save the info if any
            if (exc._partiallyComputedNode != null){
              if (!single){
                varList.Append(exc._partiallyComputedNode);
                varList.context.UpdateWith(exc._partiallyComputedNode.context);
                exc._partiallyComputedNode = varList;
              }
            }
            if (IndexOfToken(NoSkipTokenSet.s_EndOfLineToken, exc) == -1)
              throw exc;
            else{
              if (single)
                vdecl = exc._partiallyComputedNode;
            }
          }finally{
            this.noSkipTokenSet.Remove(NoSkipTokenSet.s_EndOfLineToken);
          }

          if (JSToken.Semicolon == this.currentToken.token || JSToken.RightCurly == this.currentToken.token){
            if (JSToken.Semicolon == this.currentToken.token){
              vdecl.context.UpdateWith(this.currentToken);
              GetNextToken();
            }
            break;
          }else if (JSToken.Comma == this.currentToken.token){
            single = false;
            varList.Append(vdecl);
            continue;
          }else if (this.scanner.GotEndOfLine()){
            break;
          }else{
            // assume the variable statement was terminated and move on
            ReportError(JSError.NoSemicolon, true);
            break;
          }
        }

        if (single)
          return vdecl;
        else{
          varList.Append(vdecl);
          varList.context.UpdateWith(vdecl.context);
          return varList;
        }
      }
 private CustomAttributeList FromASTListToCustomAttributeList(ArrayList attributes)
 {
     CustomAttributeList list = null;
     if ((attributes != null) && (attributes.Count > 0))
     {
         list = new CustomAttributeList(((AST) attributes[0]).context);
     }
     int num = 0;
     int count = attributes.Count;
     while (num < count)
     {
         ASTList args = new ASTList(null);
         if ((attributes[num] is Lookup) || (attributes[num] is Member))
         {
             list.Append(new Microsoft.JScript.CustomAttribute(((AST) attributes[num]).context, (AST) attributes[num], args));
         }
         else
         {
             list.Append(((Call) attributes[num]).ToCustomAttribute());
         }
         num++;
     }
     return list;
 }
Пример #36
0
      //---------------------------------------------------------------------------------------
      // ParseIdentifierInitializer
      //
      //  Does the real work of parsing a single variable declaration.
      //  inToken is JSToken.In whenever the potential expression that initialize a variable
      //  cannot contain an 'in', as in the for statement. inToken is JSToken.None otherwise
      //---------------------------------------------------------------------------------------
      private AST ParseIdentifierInitializer(JSToken inToken,
                                                              FieldAttributes visibility,
                                                              CustomAttributeList customAttributes,
                                                              JSToken kind){
        Lookup id = null;
        TypeExpression typeExpr = null;
        AST assignmentExpr = null;
        RecoveryTokenException except = null;

        GetNextToken();
        if (JSToken.Identifier != this.currentToken.token){
          String identifier = JSKeyword.CanBeIdentifier(this.currentToken.token);
          if (null != identifier){
            ForceReportInfo(JSError.KeywordUsedAsIdentifier);
            id = new Lookup(identifier, this.currentToken.Clone());
          }else{
            // make up an identifier and keep going; life goes on...
            ReportError(JSError.NoIdentifier);
            id = new Lookup("#_Missing Identifier_#" + s_cDummyName++, CurrentPositionContext());
          }
        }else
          id = new Lookup(this.scanner.GetIdentifier(), this.currentToken.Clone());
        GetNextToken();
        Context context = id.context.Clone();

        this.noSkipTokenSet.Add(NoSkipTokenSet.s_VariableDeclNoSkipTokenSet);
        try{
          if (JSToken.Colon == this.currentToken.token){
            try{
              typeExpr = ParseTypeExpression();
            }catch(RecoveryTokenException exc){
              typeExpr = (TypeExpression)exc._partiallyComputedNode;
              throw exc;
            }finally{
              if (null != typeExpr)
                context.UpdateWith(typeExpr.context);
            }
          }
              
          if (JSToken.Assign == this.currentToken.token || JSToken.Equal == this.currentToken.token){
            if (JSToken.Equal == this.currentToken.token)
              ReportError(JSError.NoEqual, true);
            GetNextToken();
            try{
              assignmentExpr = ParseExpression(true, inToken);
            }catch(RecoveryTokenException exc){
              assignmentExpr = exc._partiallyComputedNode;
              throw exc;
            }finally{
              if (null != assignmentExpr)
                context.UpdateWith(assignmentExpr.context);
            }
          }
        }catch(RecoveryTokenException exc){
          // If the exception is in the vardecl no-skip set then we successfully
          // recovered to the end of the declaration and can just return
          // normally.  Otherwise we re-throw after constructing the partial result.  
          if (IndexOfToken(NoSkipTokenSet.s_VariableDeclNoSkipTokenSet, exc) == -1)
            except = exc;
        }finally{
          this.noSkipTokenSet.Remove(NoSkipTokenSet.s_VariableDeclNoSkipTokenSet);
        }

        AST result = null;
        if (JSToken.Var == kind)
          result = new VariableDeclaration(context, id, typeExpr, assignmentExpr, visibility, customAttributes);
        else{
          if (assignmentExpr == null)
            ForceReportInfo(JSError.NoEqual);
          result = new Constant(context, id, typeExpr, assignmentExpr, visibility, customAttributes);
        }
        if (customAttributes != null)
          customAttributes.SetTarget(result);
        if (null != except){
          except._partiallyComputedNode = result;
          throw except;
        }
        return result;
      }
Пример #37
0
      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);
        }
      }
        internal VariableDeclaration(Context context, Lookup identifier, TypeExpression type, AST initializer, FieldAttributes attributes, CustomAttributeList customAttributes)
            : base(context)
        {
            if (initializer != null)
            {
                this.context.UpdateWith(initializer.context);
            }
            else if (type != null)
            {
                this.context.UpdateWith(type.context);
            }
            this.identifier  = identifier;
            this.type        = type;
            this.initializer = initializer;
            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();
            }
            String name = this.identifier.ToString();

            if (current_scope is ClassScope)
            {
                if (name == ((ClassScope)current_scope).name)
                {
                    identifier.context.HandleError(JSError.CannotUseNameOfClass);
                    name = name + " var";
                }
            }
            else
            {
                if (attributes != (FieldAttributes)0)
                {
                    this.context.HandleError(JSError.NotInsideClass);
                    attributes = FieldAttributes.Public;
                }
                else
                {
                    attributes |= FieldAttributes.Public;
                }
            }
            FieldInfo field = ((IActivationObject)current_scope).GetLocalField(name);

            if (field != null)
            {
                if (field.IsLiteral || current_scope is ClassScope || type != null)
                {
                    identifier.context.HandleError(JSError.DuplicateName, true);
                }
                this.type = type = null;
            }
            if (current_scope is ActivationObject)
            {
                if (field == null || field is JSVariableField)
                {
                    this.field = ((ActivationObject)current_scope).AddFieldOrUseExistingField(this.identifier.ToString(), Missing.Value, attributes);
                }
                else
                {
                    this.field = ((ActivationObject)current_scope).AddNewField(this.identifier.ToString(), null, attributes);
                }
            }
            else
            {
                this.field = ((StackFrame)current_scope).AddNewField(this.identifier.ToString(), null, 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;
            }
            this.completion = new Completion();
        }
Пример #39
0
 //---------------------------------------------------------------------------------------
 // ParseFunction
 //
 //  FunctionDeclaration :
 //    VisibilityModifier 'function' GetSet Identifier '('
 //                          FormalParameterList ')' '{' FunctionBody '}'
 //
 //  GetSet:
 //    <empty> |
 //    'get' |
 //    'set'
 //
 //  FormalParameterList :
 //    <empty> |
 //    IdentifierList Identifier
 //
 //  IdentifierList :
 //    <empty> |
 //    Identifier, IdentifierList
 //---------------------------------------------------------------------------------------
 private AST ParseFunction(FieldAttributes visibilitySpec,
                           bool inExpression,
                           Context fncCtx,
                           bool isMethod,
                           bool isAbstract,
                           bool isFinal,
                           bool isInterface,
                           CustomAttributeList customAttributes){
   return ParseFunction(visibilitySpec, inExpression, fncCtx, isMethod, isAbstract, isFinal, isInterface, customAttributes, null);
 }
Пример #40
0
        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);
            }
        }
 internal AssemblyCustomAttributeList(CustomAttributeList list)
   : base(list.context) {
   this.list = list;
   this.okToUse = false;
 }
Пример #42
0
      private AST ParseFunction(FieldAttributes visibilitySpec,
                                bool inExpression,
                                Context fncCtx,
                                bool isMethod,
                                bool isAbstract,
                                bool isFinal,
                                bool isInterface,
                                CustomAttributeList customAttributes,
                                Call function){
        IdentifierLiteral name = null;
        AST interfaceName = null;
        ArrayList formalParameters = null;
        TypeExpression returnType = null;
        Block body = null;
        bool isGetter = false;
        bool isSetter = false;

        if (function == null){
          GetNextToken();
          if (isMethod)
            if (JSToken.Get == this.currentToken.token){
              isGetter = true;
              GetNextToken();
            }else if (JSToken.Set == this.currentToken.token){
              isSetter = true;
              GetNextToken();
            }

          // get the function name or make an anonymous function if in expression "position"
          if (JSToken.Identifier == this.currentToken.token){
            name = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
            GetNextToken();
            if (JSToken.AccessField == this.currentToken.token){
              if (isInterface) // "function IBar.foo()" is illegal in an interface declaration
                ReportError(JSError.SyntaxError, true);
              GetNextToken();
              if (JSToken.Identifier == this.currentToken.token){
                interfaceName = new Lookup(name.context);
                name = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
                GetNextToken();
                while (JSToken.AccessField == this.currentToken.token){
                  GetNextToken();
                  if (JSToken.Identifier == this.currentToken.token){
                    interfaceName = new Member(interfaceName.context.CombineWith(this.currentToken), interfaceName,
                      new ConstantWrapper(name.ToString(), name.context));
                    name = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
                    GetNextToken();
                  }else
                    ReportError(JSError.NoIdentifier, true);
                }
              }else
                ReportError(JSError.NoIdentifier, true);
            }
          }else{
            string identifier = JSKeyword.CanBeIdentifier(this.currentToken.token);
            if (null != identifier){
              ForceReportInfo(JSError.KeywordUsedAsIdentifier, isMethod);
              name = new IdentifierLiteral(identifier, this.currentToken.Clone());
              GetNextToken();
            }else{
              if (!inExpression){
                identifier = this.currentToken.GetCode();
                ReportError(JSError.NoIdentifier, true);
                GetNextToken();
              }else
                identifier = "";
              name = new IdentifierLiteral(identifier, CurrentPositionContext());
            }
          }
        }else{ // function was passed in, this is an error condition
          name = function.GetName();
        }

        // make a new state and save the old one
        ArrayList blockType = this.blockType;
        this.blockType = new ArrayList(16);
        SimpleHashtable labelTable = this.labelTable;
        this.labelTable = new SimpleHashtable(16);
        FunctionScope fscope = new FunctionScope(Globals.ScopeStack.Peek(), isMethod);
        Globals.ScopeStack.Push(fscope); //Give declarations a place to go while building AST

        try{
          formalParameters = new ArrayList();
          Context paramArrayContext = null;
          if (function == null){
            // get the formal parameters
            if (JSToken.LeftParen != this.currentToken.token)
              ReportError(JSError.NoLeftParen);
            GetNextToken();
            // create the list of arguments and update the context
            while (JSToken.RightParen != this.currentToken.token){
              if (paramArrayContext != null){
                ReportError(JSError.ParamListNotLast, paramArrayContext, true);
                paramArrayContext = null;
              }
              String id = null;
              TypeExpression typeExpr = null;
              this.noSkipTokenSet.Add(NoSkipTokenSet.s_FunctionDeclNoSkipTokenSet);
              try{
                if (JSToken.ParamArray == this.currentToken.token){
                  paramArrayContext = this.currentToken.Clone();
                  GetNextToken();
                }
                if (JSToken.Identifier != this.currentToken.token && (id = JSKeyword.CanBeIdentifier(this.currentToken.token)) == null){
                  if (JSToken.LeftCurly == this.currentToken.token){
                    ReportError(JSError.NoRightParen);
                    break;
                  }else if (JSToken.Comma == this.currentToken.token){
                    // We're missing an argument (or previous argument was malformed and
                    // we skipped to the comma.)  Keep trying to parse the argument list --
                    // we will skip the comma below.
                    ReportError(JSError.SyntaxError, true);
                  }else{
                    ReportError(JSError.SyntaxError, true);
                    SkipTokensAndThrow();
                  }
                }else{
                  if (null == id)
                    id = this.scanner.GetIdentifier();
                  else
                    ForceReportInfo(JSError.KeywordUsedAsIdentifier);
                  Context paramCtx = this.currentToken.Clone();
                  GetNextToken();
                  if (JSToken.Colon == this.currentToken.token){
                    typeExpr = ParseTypeExpression();
                    if (null != typeExpr)
                      paramCtx.UpdateWith(typeExpr.context);
                  }
                  
                  
                  CustomAttributeList custAttrs = null;
                  if (paramArrayContext != null){
                    custAttrs = new CustomAttributeList(paramArrayContext);
                    custAttrs.Append(new CustomAttribute(paramArrayContext, new Lookup("...", paramArrayContext), new ASTList(null)));
                  }
                  formalParameters.Add(new ParameterDeclaration(paramCtx, id, typeExpr, custAttrs));
                }

                // got an arg, it should be either a ',' or ')'
                if (JSToken.RightParen == this.currentToken.token)
                  break;
                else if (JSToken.Comma != this.currentToken.token){
                  // deal with error in some "intelligent" way
                  if (JSToken.LeftCurly == this.currentToken.token){
                    ReportError(JSError.NoRightParen);
                    break;
                  }else{
                    if (JSToken.Identifier == this.currentToken.token && typeExpr == null){
                      // it's possible that the guy was writing the type in C/C++ style (i.e. int x)
                      ReportError(JSError.NoCommaOrTypeDefinitionError);
                    }else
                      ReportError(JSError.NoComma);
                  }
                }
                GetNextToken();
              }catch(RecoveryTokenException exc){
                if (IndexOfToken(NoSkipTokenSet.s_FunctionDeclNoSkipTokenSet, exc) == -1)
                  throw exc;
              }finally{
                this.noSkipTokenSet.Remove(NoSkipTokenSet.s_FunctionDeclNoSkipTokenSet);
              }
            }
            fncCtx.UpdateWith(this.currentToken);
            // if it is a getter/setter must have 0/1 arg only
            if (isGetter && formalParameters.Count != 0){
              ReportError(JSError.BadPropertyDeclaration, true);
              isGetter = false;
            }else if (isSetter && formalParameters.Count != 1){
              ReportError(JSError.BadPropertyDeclaration, true);
              isSetter = false;
            }
            GetNextToken();

            // check the return type
            if (JSToken.Colon == this.currentToken.token){
              if (isSetter)
                ReportError(JSError.SyntaxError);
              this.noSkipTokenSet.Add(NoSkipTokenSet.s_StartBlockNoSkipTokenSet);
              try{
                returnType = ParseTypeExpression();
              }catch(RecoveryTokenException exc){
                if (IndexOfToken(NoSkipTokenSet.s_StartBlockNoSkipTokenSet, exc) == -1){
                  exc._partiallyComputedNode = null;
                  throw exc;
                }else{
                  if (exc._partiallyComputedNode != null)
                    returnType = (TypeExpression)exc._partiallyComputedNode;
                }
              }finally{
                this.noSkipTokenSet.Remove(NoSkipTokenSet.s_StartBlockNoSkipTokenSet);
              }
              if (isSetter)
                returnType = null;
            }
          }else{ // function was passed in, this is an error condition
            function.GetParameters(formalParameters);
          }

          // read the function body of non-abstract functions.

          if (JSToken.LeftCurly != this.currentToken.token && (isAbstract || (isMethod && GuessIfAbstract()))){
            if (!isAbstract){
              isAbstract = true;
              ReportError(JSError.ShouldBeAbstract, fncCtx, true);
            }
            body = new Block(this.currentToken.Clone());
          }else{
            if (JSToken.LeftCurly != this.currentToken.token)
              ReportError(JSError.NoLeftCurly, true);
            else if (isAbstract)
              ReportError(JSError.AbstractWithBody, fncCtx, true);

            this.blockType.Add(BlockType.Block);
            this.noSkipTokenSet.Add(NoSkipTokenSet.s_BlockNoSkipTokenSet);
            this.noSkipTokenSet.Add(NoSkipTokenSet.s_StartStatementNoSkipTokenSet);
            try{
              // parse the block locally to get the exact end of function
              body = new Block(this.currentToken.Clone());
              GetNextToken();

              while (JSToken.RightCurly != this.currentToken.token){
                try{
                  body.Append(ParseStatement());
                }catch(RecoveryTokenException exc){
                  if (exc._partiallyComputedNode != null){
                    body.Append(exc._partiallyComputedNode);
                  }
                  if (IndexOfToken(NoSkipTokenSet.s_StartStatementNoSkipTokenSet, exc) == -1)
                    throw exc;
                }
              }

              body.context.UpdateWith(this.currentToken);
              fncCtx.UpdateWith(this.currentToken);
            }catch(RecoveryTokenException exc){
              if (IndexOfToken(NoSkipTokenSet.s_BlockNoSkipTokenSet, exc) == -1){
                Globals.ScopeStack.Pop(); //Pop current scope so that FunctionDeclaration sees proper scope stack
                try{
                  ParameterDeclaration[] foParameters = new ParameterDeclaration[formalParameters.Count]; formalParameters.CopyTo(foParameters);
                  if (inExpression)
                    exc._partiallyComputedNode =
                      new FunctionExpression(fncCtx, name, foParameters, returnType, body, fscope, visibilitySpec);
                  else
                    exc._partiallyComputedNode =
                      new FunctionDeclaration(fncCtx, interfaceName, name, foParameters, returnType, body, fscope, visibilitySpec,
                      isMethod, isGetter, isSetter, isAbstract, isFinal, customAttributes);
                  if (customAttributes != null) customAttributes.SetTarget(exc._partiallyComputedNode);
                }finally{
                  Globals.ScopeStack.Push(fscope); //Push it back so that the next finally can pop it
                }
                throw exc;
              }
            }finally{
              this.blockType.RemoveAt(this.blockType.Count - 1);
              this.noSkipTokenSet.Remove(NoSkipTokenSet.s_StartStatementNoSkipTokenSet);
              this.noSkipTokenSet.Remove(NoSkipTokenSet.s_BlockNoSkipTokenSet);
            }

            GetNextToken();
          }
        }finally{
          // restore state
          this.blockType = blockType;
          this.labelTable = labelTable;
          Globals.ScopeStack.Pop();
        }

        ParameterDeclaration[] fParameters = new ParameterDeclaration[formalParameters.Count]; formalParameters.CopyTo(fParameters);
        AST func;
        if (inExpression)
          func = new FunctionExpression(fncCtx, name, fParameters, returnType, body, fscope, visibilitySpec);
        else
          func = new FunctionDeclaration(fncCtx, interfaceName, name, fParameters, returnType, body, fscope, visibilitySpec,
                                         isMethod, isGetter, isSetter, isAbstract, isFinal, customAttributes);

        if (customAttributes != null) customAttributes.SetTarget(func);
        return func;

      }
Пример #43
0
 private CustomAttributeList ParseCustomAttributeList(){
   CustomAttributeList result = new CustomAttributeList(this.currentToken.Clone());
   do{
     Context attrStart = currentToken.Clone();
     bool bAssign, canBeAttribute = true;
     AST statement = ParseUnaryExpression(out bAssign, ref canBeAttribute, false, false);
     if (canBeAttribute){
       if (statement is Lookup || statement is Member)
         result.Append(new CustomAttribute(statement.context, statement, new ASTList(null)));
       else
         result.Append(((Call)statement).ToCustomAttribute());
     }else if (this.tokensSkipped == 0)
       ReportError(JSError.SyntaxError, attrStart);
     if (this.currentToken.token == JSToken.RightBracket)
       return result;
     else if (this.currentToken.token == JSToken.Comma)
       this.GetNextToken();
     else{
       ReportError(JSError.NoRightBracketOrComma);
       SkipTokensAndThrow();
     }
   }while(true);
 }
 private AST ParseClass(FieldAttributes visibilitySpec, bool isStatic, Context classCtx, bool isAbstract, bool isFinal, CustomAttributeList customAttributes)
 {
     AST name = null;
     AST ast2 = null;
     TypeExpression superTypeExpression = null;
     Block body = null;
     TypeExpression[] expressionArray;
     AST ast4;
     ArrayList list = new ArrayList();
     bool isInterface = JSToken.Interface == this.currentToken.token;
     this.GetNextToken();
     if (JSToken.Identifier == this.currentToken.token)
     {
         name = new IdentifierLiteral(this.scanner.GetIdentifier(), this.currentToken.Clone());
     }
     else
     {
         this.ReportError(JSError.NoIdentifier);
         if (((JSToken.Extends != this.currentToken.token) && (JSToken.Implements != this.currentToken.token)) && (JSToken.LeftCurly != this.currentToken.token))
         {
             this.SkipTokensAndThrow();
         }
         name = new IdentifierLiteral("##Missing Class Name##" + s_cDummyName++, this.CurrentPositionContext());
     }
     this.GetNextToken();
     if ((JSToken.Extends == this.currentToken.token) || (JSToken.Implements == this.currentToken.token))
     {
         if (isInterface && (JSToken.Extends == this.currentToken.token))
         {
             this.currentToken.token = JSToken.Implements;
         }
         if (JSToken.Extends == this.currentToken.token)
         {
             this.noSkipTokenSet.Add(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet);
             try
             {
                 ast2 = this.ParseQualifiedIdentifier(JSError.NeedType);
             }
             catch (RecoveryTokenException exception)
             {
                 if (this.IndexOfToken(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet, exception) == -1)
                 {
                     exception._partiallyComputedNode = null;
                     throw exception;
                 }
                 ast2 = exception._partiallyComputedNode;
             }
             finally
             {
                 this.noSkipTokenSet.Remove(NoSkipTokenSet.s_ClassExtendsNoSkipTokenSet);
             }
         }
         if (JSToken.Implements == this.currentToken.token)
         {
             do
             {
                 AST expression = null;
                 this.noSkipTokenSet.Add(NoSkipTokenSet.s_ClassImplementsNoSkipTokenSet);
                 try
                 {
                     expression = this.ParseQualifiedIdentifier(JSError.NeedType);
                     list.Add(new TypeExpression(expression));
                 }
                 catch (RecoveryTokenException exception2)
                 {
                     if (this.IndexOfToken(NoSkipTokenSet.s_ClassImplementsNoSkipTokenSet, exception2) == -1)
                     {
                         exception2._partiallyComputedNode = null;
                         throw exception2;
                     }
                     if (exception2._partiallyComputedNode != null)
                     {
                         list.Add(new TypeExpression(exception2._partiallyComputedNode));
                     }
                 }
                 finally
                 {
                     this.noSkipTokenSet.Remove(NoSkipTokenSet.s_ClassImplementsNoSkipTokenSet);
                 }
             }
             while (JSToken.Comma == this.currentToken.token);
         }
     }
     if (ast2 != null)
     {
         superTypeExpression = new TypeExpression(ast2);
     }
     if (JSToken.LeftCurly != this.currentToken.token)
     {
         this.ReportError(JSError.NoLeftCurly);
     }
     ArrayList blockType = this.blockType;
     this.blockType = new ArrayList(0x10);
     SimpleHashtable labelTable = this.labelTable;
     this.labelTable = new SimpleHashtable(0x10);
     this.Globals.ScopeStack.Push(new ClassScope(name, ((IActivationObject) this.Globals.ScopeStack.Peek()).GetGlobalScope()));
     try
     {
         body = this.ParseClassBody(false, isInterface);
         classCtx.UpdateWith(body.context);
         expressionArray = new TypeExpression[list.Count];
         list.CopyTo(expressionArray);
         Class target = new Class(classCtx, name, superTypeExpression, expressionArray, body, visibilitySpec, isAbstract, isFinal, isStatic, isInterface, customAttributes);
         if (customAttributes != null)
         {
             customAttributes.SetTarget(target);
         }
         ast4 = target;
     }
     catch (RecoveryTokenException exception3)
     {
         classCtx.UpdateWith(exception3._partiallyComputedNode.context);
         expressionArray = new TypeExpression[list.Count];
         list.CopyTo(expressionArray);
         exception3._partiallyComputedNode = new Class(classCtx, name, superTypeExpression, expressionArray, (Block) exception3._partiallyComputedNode, visibilitySpec, isAbstract, isFinal, isStatic, isInterface, customAttributes);
         if (customAttributes != null)
         {
             customAttributes.SetTarget(exception3._partiallyComputedNode);
         }
         throw exception3;
     }
     finally
     {
         this.Globals.ScopeStack.Pop();
         this.blockType = blockType;
         this.labelTable = labelTable;
     }
     return ast4;
 }