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TAMER: Initial commit
2019-11-14 16:43:07 -05:00
[package]
name = "tamer"
version = "0.0.0"
authors = ["Mike Gerwitz <mike.gerwitz@ryansg.com>"]
Cargo.toml: Tame {on=>in} Rust Changed to match README.md. This makes more sense too.
2019-11-27 13:47:42 -05:00
description="TAME in Rust"
TAMER: Initial commit
2019-11-14 16:43:07 -05:00
license="GPLv3+"
tamer: Use Rust 2021 Edition This will be stable Oct 21; this uses nightly for now.
2021-10-01 09:42:19 -04:00
edition = "2021"
TAMER: Initial commit
2019-11-14 16:43:07 -05:00
Introduce CARGO_BUILD_FLAGS This is intended to permit passing `--release`, since dev builds are terribly slow (e.g. 6s -> 0.2s). See README.md for more information.
2019-11-27 09:17:27 -05:00
[profile.dev]
# Release-level optimizations. Spending the extra couple of moments
# compile-time is well worth the huge savings we get at runtime. Note that
# this is still every so slightly slower than a release build; see other
# profile options for release at
# <https://doc.rust-lang.org/cargo/reference/manifest.html>.
opt-level = 3
TAMER: Initial commit
2019-11-14 16:43:07 -05:00
Cargo.toml (profile.release)[lto]: Enable
2019-12-03 12:17:44 -05:00
[profile.release]
lto = true
Makefile.am (bench): New target The configure script will determine if nightly is required for running benchmarks, because `test` is currently an unstable feature.
2019-12-04 09:57:08 -05:00
[profile.bench]
# We want our benchmarks to be representative of how well TAME will perform
# in a release.
lto = true
TAMER: Initial commit
2019-11-14 16:43:07 -05:00
[dependencies]
tamer: Start of XIR-based xmle writer This has been a long time coming, and has been repeatedly stashed as other parts of the system have evolved to support it. The introduction of the XIR tree was to write tests for this (which are sloppy atm). This currently writes out the `xmle` header and _most_ of the `l:dep` section; it's missing the object-type-specific attributes. There is, relatively speaking, not much more work to do here. The feature flag `wip-xir-xmle-writer` was introduced to toggle this system in place of `XmleWriter`. Initial benchmarks show that it will be competitive with the quick-xml-based writer, but remember that is not the goal: the purpose of this is to test XIR in a production system before we continue to implement it for a frontend, and to refactor so that we do not have multiple implementations writing XML files (once we echo the source XML files). I'm excited to get this done with so that I can move on. This has been rather exhausting.
2021-09-28 14:52:31 -04:00
arrayvec = ">= 0.7.1"
TAMER: Arena-based string interner Contrary to what I said previously, this replaces the previous implementation with an arena-backed internment system. The motivation for this change was investigating how Rustc performed its string interning, and why they chose to associate integer identifiers with symbols. The intent was originally to use Rustc's arena allocator directly, but that create pulled in far too many dependencies and depended on nightly Rust. Bumpalo provides a very similar implementation to Rustc's DroplessArena, so I went with that instead. Rustc also relies on a global, singleton interner. I do not do that here. Instead, the returned Symbol carries a lifetime of the underlying arena, as well as a pointer to the interned string. Now that this is put to rest, it's time to move on.
2019-12-23 23:26:42 -05:00
bumpalo = ">= 2.6.0"
tamer: Cargo.toml: Sort dependencies This always annoys me when I add a dependency and I don't know where I ought to put it. Anyway, I was originally going to add the `regex` crate, but with further planning, I may not end up having use for it. Nonetheless, at least this is consistent.
2022-09-21 14:37:38 -04:00
exitcode = "1.1.2"
tamer: asg::graph::visit::topo: Introduce topological sort This is an initial implementation that does not yet produce errors on cycles. Documentation is not yet complete. The implementation is fairly basic, and similar to Petgraph's DFS. A terminology note: the DFS will be ontology-aware (or at least aware of edge metadata) to avoid traversing edges that would introduce cycles in situations where they are permitted, which effectively performs a topological sort on an implicitly _filtered_ graph. This will end up replacing ld::xmle::lower::sort. DEV-13162
2023-04-26 09:49:50 -04:00
fixedbitset = ">= 0.4.1" # also used by petgraph
tamer::sym: FNV => Fx Hash For strings of any notable length, Fx Hash outperforms FNV. Rustc also moved to this hash function and noticed performance improvements. Fortunately, as was accounted for in the design, this was a trivial switch. Here are some benchmarks to back up that claim: test hash_set::fnv::with_all_new_1000 ... bench: 133,096 ns/iter (+/- 1,430) test hash_set::fnv::with_all_new_1000_with_capacity ... bench: 82,591 ns/iter (+/- 592) test hash_set::fnv::with_all_new_rc_str_1000_baseline ... bench: 162,073 ns/iter (+/- 1,277) test hash_set::fnv::with_one_new_1000 ... bench: 37,334 ns/iter (+/- 256) test hash_set::fnv::with_one_new_rc_str_1000_baseline ... bench: 18,263 ns/iter (+/- 261) test hash_set::fx::with_all_new_1000 ... bench: 85,217 ns/iter (+/- 1,111) test hash_set::fx::with_all_new_1000_with_capacity ... bench: 59,383 ns/iter (+/- 752) test hash_set::fx::with_all_new_rc_str_1000_baseline ... bench: 98,802 ns/iter (+/- 1,117) test hash_set::fx::with_one_new_1000 ... bench: 42,484 ns/iter (+/- 1,239) test hash_set::fx::with_one_new_rc_str_1000_baseline ... bench: 15,000 ns/iter (+/- 233) test hash_set::with_all_new_1000 ... bench: 137,645 ns/iter (+/- 1,186) test hash_set::with_all_new_rc_str_1000_baseline ... bench: 163,129 ns/iter (+/- 1,725) test hash_set::with_one_new_1000 ... bench: 59,051 ns/iter (+/- 1,202) test hash_set::with_one_new_rc_str_1000_baseline ... bench: 37,986 ns/iter (+/- 771)
2019-12-10 15:32:25 -05:00
fxhash = ">= 0.2.1"
[DEV-7081] Add options to tameld We want to add an option to set the output file to the linker so we do not need to redirect output to awk any longer. This also adds integration tests for tameld.
2020-03-04 15:31:20 -05:00
getopts = "0.2"
tamer: memchr benches This adds benchmarking for the memchr crate. It is used primarily by quick-xml at the moment, but the question is whether to rely on it for certain operations for XIR. The benchmarking on an Intel Xeon system shows that memchr and Rust's contains() perform very similarly on small inputs, matching against a single character, and so Rust's built-in should be preferred in that case so that we're using APIs that are familiar to most people. When larger inputs are compared against, there's a greater benefit (a little under ~2x). When comparing against two characters, they are again very close. But look at when we compare two characters against _multiple_ inputs: running 24 tests test large_str::one::memchr_early_match ... bench: 4,938 ns/iter (+/- 124) test large_str::one::memchr_late_match ... bench: 81,807 ns/iter (+/- 1,153) test large_str::one::memchr_non_match ... bench: 82,074 ns/iter (+/- 1,062) test large_str::one::rust_contains_one_byte_early_match ... bench: 9,425 ns/iter (+/- 167) test large_str::one::rust_contains_one_byte_late_match ... bench: 123,685 ns/iter (+/- 3,728) test large_str::one::rust_contains_one_byte_non_match ... bench: 123,117 ns/iter (+/- 2,200) test large_str::one::rust_contains_one_char_early_match ... bench: 9,561 ns/iter (+/- 507) test large_str::one::rust_contains_one_char_late_match ... bench: 123,929 ns/iter (+/- 2,377) test large_str::one::rust_contains_one_char_non_match ... bench: 122,989 ns/iter (+/- 2,788) test large_str::two::memchr2_early_match ... bench: 5,704 ns/iter (+/- 91) test large_str::two::memchr2_late_match ... bench: 89,194 ns/iter (+/- 8,546) test large_str::two::memchr2_non_match ... bench: 85,649 ns/iter (+/- 3,879) test large_str::two::rust_contains_two_char_early_match ... bench: 66,785 ns/iter (+/- 3,385) test large_str::two::rust_contains_two_char_late_match ... bench: 2,148,064 ns/iter (+/- 21,812) test large_str::two::rust_contains_two_char_non_match ... bench: 2,322,082 ns/iter (+/- 22,947) test small_str::one::memchr_mid_match ... bench: 4,737 ns/iter (+/- 842) test small_str::one::memchr_non_match ... bench: 5,160 ns/iter (+/- 62) test small_str::one::rust_contains_one_byte_non_match ... bench: 3,930 ns/iter (+/- 35) test small_str::one::rust_contains_one_char_mid_match ... bench: 3,677 ns/iter (+/- 618) test small_str::one::rust_contains_one_char_non_match ... bench: 5,415 ns/iter (+/- 221) test small_str::two::memchr2_mid_match ... bench: 5,488 ns/iter (+/- 888) test small_str::two::memchr2_non_match ... bench: 6,788 ns/iter (+/- 134) test small_str::two::rust_contains_two_char_mid_match ... bench: 6,203 ns/iter (+/- 170) test small_str::two::rust_contains_two_char_non_match ... bench: 7,853 ns/iter (+/- 713) Yikes. With that said, we won't be comparing against such large inputs short-term. The larger strings (fragments) are copied verbatim, and not compared against---but they _were_ prior to the previous commit that stopped unencoding and re-encoding. So: Rust built-ins for inputs that are expected to be small.
2021-08-18 14:18:24 -04:00
memchr = ">= 2.3.4" # quick-xml expects =2.3.4 at the time
tamer: ir::asg::ident: AsRef impls for SymbolId types This commit will make more sense once the broader context is committed, but it's needed for lowering from `Sections` into a XIR stream. This will also change once we pre-allocate symbols, like rustc, when the interner is initialized. This is my first use of the `paste` crate, which is used to generate identifiers. So this is partly an experiment, and it seems much better than having to write a proc macro, at least at this point in time. If this code stays around, it'll probably be generalized further and used elsewhere, but I'd prefer not to go this route long-term.
2021-09-20 16:46:16 -04:00
paste = ">= 1.0.5"
tamer: Cargo.toml: Sort dependencies This always annoys me when I add a dependency and I don't know where I ought to put it. Anyway, I was originally going to add the `regex` crate, but with further planning, I may not end up having use for it. Nonetheless, at least this is consistent.
2022-09-21 14:37:38 -04:00
petgraph = "0.6.0"
quick-xml = ">= 0.23.0-alpha3"
static_assertions = ">= 1.1.0"
tamer: diagnostic: Column resolution Determining the column number is not as simple as performing byte arithmetic, because certain characters have different widths. Even if we only accepted ASCII, control characters aren't visible to the user. This uses the unicode-width crate as an alternative to POSIX wcwidth, to determine (hopefully) the number of fixed-width cells that a unicode character will take up on a terminal. For example, control characters are zero-width, while an emoji is likely double-width. See test cases for more information on that. There is also the unicode-segmentation crate, which can handle extended grapheme clusters and such, but (a) we'll be outputting the line to the terminal and (b) there's no guarantee that the user's editor displays grapheme clusters as a single column. LSP measures in UTF-16, apparently. I use both Emacs and Vim from a terminal, so unicode-width applies to me. There's too much variation to try to solve that right now. The columns can be considered a visual span---this gives us enough information to draw line annotations, which will happen soon. Here are some useful links: - https://hsivonen.fi/string-length/ - https://unicode.org/reports/tr29/ - https://github.com/rust-analyzer/rowan/issues/17 - https://www.reddit.com/r/rust/comments/gpw2ra/how_is_the_rust_compiler_able_to_tell_the_visible/ DEV-10935
2022-04-21 14:16:21 -04:00
unicode-width = "0.1.5"
[DEV-7081] Add options to tameld We want to add an option to set the output file to the linker so we do not need to redirect output to awk any longer. This also adds integration tests for tameld.
2020-03-04 15:31:20 -05:00
tamer: Initial frontend concept This introduces the beginnings of frontends for TAMER, gated behind a `wip-features` flag. This will be introduced in stages: 1. Replace the existing copy with a parser-based copy (echo back out the tokens), when the flag is on. 2. Begin to parse portions of the source, augmenting the output xmlo (xmli at the moment). The XSLT-based compiler will be modified to skip compilation steps as necessary. As portions of the compilation are implemented in TAMER, they'll be placed behind their own feature flags and stabalized, which will incrementally remove the compilation steps from the XSLT-based system. The result should be substantial incremental performance improvements. Short-term, the priorities are for loading identifiers into an IR are (though the order may change): 1. Echo 2. Imports 3. Extern declarations. 4. Simple identifiers (e.g. param, const, template, etc). 5. Classifications. 6. Documentation expressions. 7. Calculation expressions. 8. Template applications. 9. Template definitions. 10. Inline templates. After each of those are done, the resulting xmlo (xmli) will have fully reconstructed the source document from the IR produced during parsing.
2021-07-23 22:24:08 -04:00
# Feature flags can be specified using `./configure FEATURES=foo,bar,baz`.
#
# Flags beginning with "wip-" are short-lived flags that exist only during
# development of a particular feature; you should not hard-code them
# anywhere, since the build will break once they are removed. Enabling WIP
# flags should also be expected to cause undesirable behavior in some form
# or another. Once WIP features are finalized, they are enabled by default
# and the flag removed.
[features]
tamer: Start of XIR-based xmle writer This has been a long time coming, and has been repeatedly stashed as other parts of the system have evolved to support it. The introduction of the XIR tree was to write tests for this (which are sloppy atm). This currently writes out the `xmle` header and _most_ of the `l:dep` section; it's missing the object-type-specific attributes. There is, relatively speaking, not much more work to do here. The feature flag `wip-xir-xmle-writer` was introduced to toggle this system in place of `XmleWriter`. Initial benchmarks show that it will be competitive with the quick-xml-based writer, but remember that is not the goal: the purpose of this is to test XIR in a production system before we continue to implement it for a frontend, and to refactor so that we do not have multiple implementations writing XML files (once we echo the source XML files). I'm excited to get this done with so that I can move on. This has been rather exhausting.
2021-09-28 14:52:31 -04:00
tamer: New parser-trace-stderr feature flag This flag allows toggling the parser trace that was previously only available to tests. Unfortunately, at the time of writing, Cargo cannot enable flags in profiles, so I have to check for either `test` or this flag being set to enable relevant features. This trace is useful as I start to run the parser against existing code written in TAME so that our existing systems can help to guide my development. Unlike the current tests, it also allows seeing real-world data as part of the lowering pipeline, where multiple `Parser`s are in play. Having this feature flag also makes this feature more easily discoverable to those wishing to observe how the lowering pipeline works. DEV-7145
2022-07-21 22:05:21 -04:00
# Cause `Parser` to emit a verbose, human-readable trace to stderr for every
# token. This is not intended to be machine-readable, so please do not
# parse it.
#
# This is enabled automatically for the `test` profile.
parser-trace-stderr = []