public DelegateOperationCodeGen(CodeGenerator cg, DelegateBindingInfo bindingInfo)
        {
            this.cg          = cg;
            this.bindingInfo = bindingInfo;

            this.cg.cs.AppendLine("var op = js_parse_event_op(ctx, argv[0]);");
            var caller        = this.cg.AppendGetThisCS(bindingInfo);
            var eventTypeName = this.cg.bindingManager.GetCSTypeFullName(bindingInfo.delegateType);

            this.cg.cs.AppendLine("switch(op)");
            using (this.cg.cs.CodeBlockScope())
            {
                if (this.bindingInfo.writable)
                {
                    if (this.bindingInfo.readable)
                    {
                        this.cg.cs.AppendLine("case EVT_OP_ADD:");
                        using (this.cg.cs.CodeBlockScope())
                        {
                            this.cg.cs.AppendLine("{0} value;", eventTypeName);
                            var getter = this.cg.bindingManager.GetScriptObjectGetter(bindingInfo.delegateType, "ctx", "argv[1]", "value");
                            this.cg.cs.AppendLine("if (!{0})", getter);
                            using (this.cg.cs.CodeBlockScope())
                            {
                                this.cg.cs.AppendLine("throw new ParameterException(typeof({0}), 1);", eventTypeName);
                            }
                            this.cg.cs.AppendLine("{0}.{1} += value;", caller, bindingInfo.csName);
                            this.cg.cs.AppendLine("return JSApi.JS_UNDEFINED;");
                        }
                        this.cg.cs.AppendLine("case EVT_OP_REMOVE:");
                        using (this.cg.cs.CodeBlockScope())
                        {
                            this.cg.cs.AppendLine("{0} value;", eventTypeName);
                            var getter = this.cg.bindingManager.GetScriptObjectGetter(bindingInfo.delegateType, "ctx", "argv[1]", "value");
                            this.cg.cs.AppendLine("if (!{0})", getter);
                            using (this.cg.cs.CodeBlockScope())
                            {
                                this.cg.cs.AppendLine("throw new ParameterException(typeof({0}), 1);", eventTypeName);
                            }
                            this.cg.cs.AppendLine("{0}.{1} -= value;", caller, bindingInfo.csName);
                            this.cg.cs.AppendLine("return JSApi.JS_UNDEFINED;");
                        }
                    }
                    this.cg.cs.AppendLine("case EVT_OP_SET:");
                    using (this.cg.cs.CodeBlockScope())
                    {
                        this.cg.cs.AppendLine("{0} value;", eventTypeName);
                        var getter = this.cg.bindingManager.GetScriptObjectGetter(bindingInfo.delegateType, "ctx", "argv[1]", "value");
                        this.cg.cs.AppendLine("if (!{0})", getter);
                        using (this.cg.cs.CodeBlockScope())
                        {
                            this.cg.cs.AppendLine("throw new ParameterException(typeof({0}), 1);", eventTypeName);
                        }
                        this.cg.cs.AppendLine("{0}.{1} = value;", caller, bindingInfo.csName);
                        this.cg.cs.AppendLine("return JSApi.JS_UNDEFINED;");
                    }
                }
                if (this.bindingInfo.readable)
                {
                    this.cg.cs.AppendLine("case EVT_OP_GET:");
                    using (this.cg.cs.CodeBlockScope())
                    {
                        this.cg.cs.AppendLine("var ret = {0}.{1};", caller, bindingInfo.csName);
                        var pusher = this.cg.AppendValuePusher(bindingInfo.delegateType, "ret");
                        this.cg.cs.AppendLine("return {0};", pusher);
                    }
                }
                this.cg.cs.AppendLine("default: throw new JSException(\"invalid event op\");");
            }
        }
示例#2
0
 public string AppendGetThisCS(DelegateBindingInfo bindingInfo)
 {
     return(AppendGetThisCS(bindingInfo.isStatic, bindingInfo.declaringType));
 }