We're not outright removing fmt! just yet, but this prevents it from leaking
into the compiler further (it's still turned on by default for all other code).
This lifts various restrictions on the runtime, for example the character limit
when logging a message. Right now the old debug!-style macros still involve
allocating (because they use fmt! syntax), but the new debug2! macros don't
involve allocating at all (unless the formatter for a type requires allocation.
This lifts various restrictions on the runtime, for example the character limit
when logging a message. Right now the old debug!-style macros still involve
allocating (because they use fmt! syntax), but the new debug2! macros don't
involve allocating at all (unless the formatter for a type requires allocation.
Many people will be very confused that their debug! statements aren't working
when they first use rust only to learn that they should have been building with
`--cfg debug` the entire time. This inverts the meaning of the flag to instead
of enabling debug statements, now it disables debug statements.
This way the default behavior is a bit more reasonable, and requires less
end-user configuration. Furthermore, this turns on debug by default when
building the rustc compiler.
This is my first contribution, so please point out anything that I may have missed.
I consulted IRC and settled on `match () { ... }` for most of the replacements.
The same fix as before is still relevant, I just forgot to update the
expand_stmt macro expansion site. The tests for format!() suffice as tests for
this change.
This renames the syntax-extension file to format from ifmt, and it also reduces
the amount of complexity inside by defining all other macros in terms of
format_args!
has a unique id. Fixes numerous bugs in macro expansion and deriving. Add two
representative tests.
Fixes#7971Fixes#6304Fixes#8367Fixes#8754Fixes#8852Fixes#2543Fixes#7654
Also redefine all of the standard logging macros to use more rust code instead
of custom LLVM translation code. This makes them a bit easier to understand, but
also more flexibile for future types of logging.
Additionally, this commit removes the LogType language item in preparation for
changing how logging is performed.
This is actually almost a problem, because those were my poster-child
macros for "here's how to implement a capturing macro." Following this
change, there will be no macros that use capturing; this will probably
make life unpleasant for the first person that wants to implement a
capturing macro. I should probably create a dummy_capturing macro,
just to show how it works.
