On Wed, 13 Apr 2011 16:00:46 -0400, Walter Bright <[email protected]> wrote:

On 4/13/2011 11:57 AM, Steven Schveighoffer wrote:
As much as this might be a fun project, and might find bugs for D, I have to point out that there are *plenty* of bugs in dmd that need fixing. Any would be takers for this project should also consider lending a hand at fixing existing bugs. Then again, fixing dmd bugs might be less fun, so I could understand if
someone preferred not to.

I think this tool would be great once dmd is fully functional.

I think it's a mistake to avoid looking for bugs since we already have bugs to fix. We have bugzilla to keep track of them, and sure it might take time to fix them, but at least they will be there.

I'm not saying, don't write a program to find bugs. I'm saying, if you want to help D, a better option than trying to find bugs is to fix the bugs we have. If all you want to do is find bugs, then I don't have any issue with that, and welcome the additional tools. But we have a wealth of bug finders, and few fixers. Someone who is good enough to write a D-code-generating program might have the same skillset as it takes to work on the compiler. I'd love for that person to spend time fixing bugs rather than building a tool to find them :)

In other words, D doesn't *need* more bugs (though we will happily accept more bugs in bugzilla), it needs more fixes.

I didn't mean to sound like I don't think we should promote such a tool or that I don't like someone working on it. I just want to also bring up that we need people to fix bugs too, and if you are talented enough and like doing either, I think it would be more appreciated by the community if bugs were fixed rather than generated.

Also, many people submit bug fix patches. Different people are interested in different kinds of bugs, and having some integer math bugs (which is what csmith finds) may appeal to a particular fixer.

I hope that a csmith-like tool will be written and that it helps more people enjoy fixing bugs in dmd. I hope *more* that the existing const, inout, alias this, template overload, @property, etc. bugs are fixed.

-Steve

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