Jonathan M Davis wrote:
On Friday 10 September 2010 19:02:53 Benjamin Shropshire wrote:
OTOH, anything that is that long is going to be
ugly even if you could de-mangle it.
True, but templates can get pretty long and ugly (even if they're not quite as
bad in D since you don't have allocators and whatnot), and sometimes you need to
see what they look like. Now, for a stack trace, you probably don't nee to see
what the _exact_ type is once it gets that long and nasty - you can probably
figure out which function is meant just fine - but for other uses, it could be a
bit annoying to not have long template types completely demangled.
Maybe the standard should define the "base" mangling and then say
something to the effect of: if the mangled name can't be stored in the
target object file format it must be compressed or, if it is not
compressible enough, hashed in a consistent way so as to fit. If
information is lost, the implementation should do so in a way that allow
the recovery of enough information to make debugging practical, e.g. by
storing the beginning of the name followed by it's hash or my placing a
map from hashed symbol names to full symbol names in the debug section.
- Jonathan M Davis
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