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\");");
}
}
public string AppendGetThisCS(DelegateBindingInfo bindingInfo)
{
return(AppendGetThisCS(bindingInfo.isStatic, bindingInfo.declaringType));
}