search for: r_lastvaluesymbol

...ble() makes potential errors harder to read (you get something like "Error in eval.with.vis(x, parent.frame(), baseenv()) :", unless using extra magic to convert the Error magic back to "normal"). Other things done in R_ReplDLLdo1() / other REPLs: - Frontends may want to set R_LastValueSymbol for most (statement entered by the user directly), but not all statements (so as to keep .Last.value unchanged over internal operations like e.g. updating information on an object in an object browser) - Frontends may want to call toplevel handlers after some statements, but not after others (p...

...ly because I'm not catching the exceptions that are thrown. How are exceptions thrown? 2. If I want to get R to give me a string showing how an existing variable would be printed, what's the normal procedure? I tried calling "PrintValue", passing it the Rinternals export "R_LastvalueSymbol", but I just get an access violation in R.DLL. This could be because I'm not handling the export properly (DLLs normally export entry points, not pointers to variables, so I had to try to guess what indirection was being used here). Or I could be calling PrintValue at the wrong time. Or...