Re: Undefined behaviour [was Re: The D Programming Language]
"Kevin Hall" <kevindhall.junk@yahoo.com> writes:
I think valgrind is the single most useful debugging tool on Linux, even
though I don't use it that often, much less frequently than a debugger, or
even printf() debugging[*]. AFAIU valgrind would be completely useless for
debugging java programs, which leaves a few possibilities: (1) the Java (or
D?) language design is such that bugs that are typically caught by valgrind
would never be made in the first place, or (2) Java debuggers already cover
this functionality, or (3) Java programs are harder to debug than C++
programs. I wonder which?
And it is possible that someone could write a debugging version of the
JVM that could do the similar things --
The difference is that when doing similar things, this JVM would be
nonconforming.
break into a debugger when an out-of-bounds access occurred. Then
the user could decide to debug or to continue and allow the standard
out-of-bounds exception to be thrown.
I guess. Breaking into the debugger whenever some legal operation
happens is often untenable, especially in systems with real-time
responses.
--
Dave Abrahams
Boost Consulting
www.boost-consulting.com
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