Mike Gerwitz
d0a728c27f
This changes the input token from a more generic `SPair` to `Attr`, which reflects the new target integration point in the `attr_parse!` parser-generator. This is a compromise---I'd like for it to remain generic and have stitching deal with all integration concerns, but I have spent far too much time on this and need to keep moving. With that said, we do benefit from knowing where this must fit in---it's easier to reason about in a more concrete way, and we can take advantage of the extra information rather than being burdened by its presence and ignoring it. We need to be able to convert back into `XirfToken` (see a recent commit that discusses that) for `StitchExpansion`, which is why `Attr` is here. And since it is, we can use it to explain to the user not just the interpolation specification used to derive params, but also the attribute it is associated with. This is what TAME (in XSLT) does today, IIRC (I wrote it, I just forget exactly). It also means that I can name the parameters after the attribute. So, that'll be in a following commit; I was disappointed when my prior approach with `SPair` didn't give me enough information to be able to do that, since I think it's important that the system be as descriptive as possible in how it derives information. Of course, traces would reveal how the parser came about the derivation, but that requires recompilation in a special tracing mode. DEV-13156 |
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benches | ||
build-aux | ||
src | ||
.gitignore | ||
Cargo.lock | ||
Cargo.toml | ||
Makefile.am | ||
README.md | ||
autogen.sh | ||
bootstrap | ||
configure.ac | ||
rustfmt.toml |
README.md
TAME in Rust (TAMER)
TAME was written to help tame the complexity of developing comparative insurance rating systems. This project aims to tame the complexity and performance issues of TAME itself. TAMER is therefore more tame than TAME.
TAME was originally written in XSLT. For more information about the
project, see the parent README.md
.
Building
To bootstrap from the source repository, run ./bootstrap
.
To configure the build for your system, run ./configure
. To build, run
make
. To run tests, run make check
.
You may also invoke cargo
directly, which make
will do for you using
options provided to configure
.
Note that the default development build results in terrible runtime performance! See [#Build Flags][] below for instructions on how to generate a release binary.
Build Flags
The environment variable CARGO_BUILD_FLAGS
can be used to provide
additional arguments to cargo build
when invoked via make
. This can be
provided optionally during configure
and can be overridden when invoking
make
. For example:
# release build
$ ./configure && make CARGO_BUILD_FLAGS=--release
$ ./configure CARGO_BUILD_FLAGS=--release && make
# dev build
$ ./configure && make
$ ./configure CARGO_BUILD_FLAGS=--release && make CARGO_BUILD_FLAGS=
Hacking
This section contains advice for those developing TAMER.
Running Tests
Developers should be using test-driven development (TDD). make check
will
run all necessary tests.
Code Format
Rust provides rustfmt
that can automatically format code for you. This
project mandates its use and therefore eliminates personal preference in
code style (for better or worse).
Formatting checks are run during make check
and, on failure, will output
the diff that would be applied if you ran make fmt
(or make fix
); this
will run cargo fmt
for you (and will use the binaries configured via
configure
).
Since developers should be doing test-driven development (TDD) and therefore
should be running make check
frequently, the hope is that frequent
feedback on formatting issues will allow developers to quickly adjust their
habits to avoid triggering formatting errors at all.
If you want to automatically fix formatting errors and then run tests:
$ make fmt check
Benchmarking
Benchmarks serve two purposes: external integration tests (which are subject
to module visibility constraints) and actual benchmarking. To run
benchmarks, invoke make bench
.
Note that link-time optimizations (LTO) are performed on the binary for benchmarking so that its performance reflects release builds that will be used in production.
The configure
script will automatically detect whether the test
feature
is unstable (as it was as of the time of writing) and, if so, will
automatically fall back to invoking nightly (by running cargo +nightly bench
).
If you do not have nightly, run you install it via rustup install nightly
.