automatic debugging / disabling D's built-in exeption handler

[Sean Kelly]

Bill Baxter wrote:
> By following the instructions given, eg, here:
> http://www.codeproject.com/debug/windbg_part1.asp#_Toc64133667
> 
> it should be possible to make the debugger pop up automatically for 
> programs that have exceptions.
> 
> According to the article above:
> "WinDbg will be launched if an application throws an exception while not 
> being debugged and does not handle the exception itself"
> 
> Apparently D does some sort of top-level catch of such exceptions right 
> now, because sticking an "asm { int 3; }" in the code just prints the 
> message "Error: Win32 Exception" instead of launching the debugger.  Is 
> there some way to disable that?
> 
> -- 
> Really what I was trying to do was see if I could get Visual Studio to 
> debug D code.  Actually it sort of works.  If you have a program with a 
> main loop, you can use visual studio's Tools->Debug Processes... to 
> attach to the running process.  If you've built your program with -g, 
> you can see the stack trace and step through the program normally, and 
> even set breakpoints.
> 
> But you can't examine variables.  VisualStudio could tell that there was 
> a "this" pointer, and knew it was of type MyClass, but it couldn't tell 
> what was inside of 'this'.  I wonder if there's a way to make a Visual 
> Studio plugin that would give you this ability?
> 
> --bb

Try:

extern (C) bool no_catch_exceptions;

no_catch_exceptions = true;