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path: root/src/libsyntax/ext/tt
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2016-12-18Remove scope placeholders, remove method `add_macro` of `ext::base::Resolver`.Jeffrey Seyfried-32/+2
2016-12-18Remove `MacroDef`'s fields `imported_from` and `allow_internal_unstable`,Jeffrey Seyfried-5/+2
remove `export` argument of `resolver.add_macro()`.
2016-12-07macros: fix the expected paths for a non-inline module matched by an `item` ↵Jeffrey Seyfried-11/+13
fragment.
2016-11-22Clean up directory ownership semantics.Jeffrey Seyfried-6/+7
2016-11-21Cleanup `InternedString`.Jeffrey Seyfried-4/+3
2016-11-20Move `syntax::util::interner` -> `syntax::symbol`, cleanup.Jeffrey Seyfried-5/+6
2016-11-12Remove extra level of nesting.Mark-Simulacrum-35/+32
2016-11-12Move next_eis out of main loop to avoid re-allocating and dropping it.Mark-Simulacrum-1/+2
2016-11-12Use SmallVector for eof and bb eis.Mark-Simulacrum-6/+4
2016-11-12Factor out inner current Earley item loop.Mark-Simulacrum-146/+153
Change multiple functions to be non-public. Change nameize to accept an iterator so as to avoid an allocation.
2016-11-12Refactor parse_nt.Mark-Simulacrum-8/+13
2016-11-12Factor out NamedParseResult.Mark-Simulacrum-4/+3
2016-11-12Clean up extraneous &mut.Mark-Simulacrum-1/+1
2016-11-12Refactor to extending from a drain instead of while looping.Mark-Simulacrum-3/+1
2016-11-12Remove unused argument from nameize.Mark-Simulacrum-6/+6
Also makes nameize non-public since it's only locally used.
2016-11-12Cleanup macro_parser::parse, removing a few clones.Mark-Simulacrum-51/+35
2016-11-04Remove field `TtReader::next_tok`.Jeffrey Seyfried-5/+0
2016-11-04Improve `tt`-heavy expansion performance.Jeffrey Seyfried-3/+12
2016-11-03Move doc comment desugaring into the parser.Jeffrey Seyfried-28/+2
2016-11-03Avoid recontructing the `Parser` in `macro_parser.rs`.Jeffrey Seyfried-21/+16
2016-11-03Revert "macros: Improve `tt` fragments"Jeffrey Seyfried-13/+3
This reverts commit 41745f30f751364bdce14428b7d3ffa5dd028903.
2016-11-03Reduce the size of `Token` and make it cheaper to clone by refactoringJeffrey Seyfried-28/+31
`Token::Interpolated(Nonterminal)` -> `Token::Interpolated(Rc<Nonterminal>)`.
2016-10-29Move `CrateConfig` from `Crate` to `ParseSess`.Jeffrey Seyfried-9/+4
2016-10-28Auto merge of #37373 - nnethercote:html5ever-more-more, r=nrcbors-11/+10
Avoid more allocations when compiling html5ever These three commits reduce the number of allocations performed when compiling html5ever from 13.2M to 10.8M, which speeds up compilation by about 2%. r? @nrc
2016-10-25Don't use `Rc` in `TokenTreeOrTokenTreeVec`.Nicholas Nethercote-3/+3
This avoids 800,000 allocations when compiling html5ever.
2016-10-25Use `SmallVector` for `TtReader::stack`.Nicholas Nethercote-3/+4
This avoids 800,000 heap allocations when compiling html5ever. It requires tweaking `SmallVector` a little.
2016-10-25Use `SmallVector` for the stack in `macro_parser::parse`.Nicholas Nethercote-6/+4
This avoids 800,000 heap allocations when compiling html5ever.
2016-10-24Refactor away fields `MacroDef::{use_locally, export}`.Jeffrey Seyfried-3/+2
2016-10-22Auto merge of #37318 - nnethercote:html5ever-more, r=nrc,eddybbors-14/+26
Avoid some allocations in the macro parser These three commits reduce the number of heap allocations done when compiling rustc-benchmarks/html5ever-2016-08-25 by 20%, from 16.5M to 13.3M. This speeds up (debug) compilation of it with a stage1 compiler by about 7%.
2016-10-21Replace the `String` in `ParseResult::Failure` with `Token`.Nicholas Nethercote-13/+25
This lets us delay creation of failure messages until they are needed, which avoids ~1.6M allocations in html5ever.
2016-10-21Avoid an unnecessary clone in `generic_extensions`.Nicholas Nethercote-2/+2
This avoids ~800,000 allocations in html5ever.
2016-10-21Avoid an unnecessary clone in `macro_parser::parse`.Nicholas Nethercote-1/+1
This avoids ~800,000 allocations in html5ever.
2016-10-19Improve `$crate`.Jeffrey Seyfried-38/+5
2016-10-19Rollup merge of #37208 - jseyfried:fix_partially_consumed_tokens_in_macros, ↵Eduard-Mihai Burtescu-12/+14
r=nrc macros: fix partially consumed tokens in macro matchers Fixes #37175. This PR also avoids re-transcribing the tokens consumed by a matcher (and cloning the `TtReader` once per matcher), which improves expansion performance of the test case from #34630 by ~8%. r? @nrc
2016-10-17Fix partially consumed tokens in macro matchers.Jeffrey Seyfried-12/+14
2016-10-14Avoid many CrateConfig clones.Nicholas Nethercote-3/+3
This commit changes `ExtCtx::cfg()` so it returns a `CrateConfig` reference instead of a clone. As a result, it also changes all of the `cfg()` callsites to explicitly clone... except one, because the commit also changes `macro_parser::parse()` to take `&CrateConfig`. This is good, because that function can be hot, and `CrateConfig` is expensive to clone. This change almost halves the number of heap allocations done by rustc for `html5ever` in rustc-benchmarks suite, which makes compilation 1.20x faster.
2016-09-28Rollup merge of #36789 - jseyfried:non_inline_mod_in_block, r=nikomatsakisJonathan Turner-1/+1
Allow more non-inline modules in blocks Currently, non-inline modules without a `#[path]` attribute are not allowed in blocks. This PR allows non-inline modules that have an ancestor module with a `#[path]` attribute, provided there is not a nearer ancestor block. For example, ```rust fn main() { #[path = "..."] mod foo { mod bar; //< allowed by this PR fn f() { mod bar; //< still an error } } } ``` Fixes #36772. r? @nikomatsakis
2016-09-28Allow non-inline modules in more places.Jeffrey Seyfried-1/+1
2016-09-26Rollup merge of #36721 - TimNN:infinite-emptiness, r=nrcJonathan Turner-1/+38
reject macros with empty repetitions Fixes #5067 by checking the lhs of `macro_rules!` for repetitions which could match an empty token tree.
2016-09-26reject macros with empty repetitionsTim Neumann-1/+38
2016-09-26Refactor `ensure_complete_parse`.Jeffrey Seyfried-24/+11
2016-09-26Remove `TokResult`.Jeffrey Seyfried-1/+1
2016-09-26Refactor `parse_expansion` out of `ResultAnyMacro`.Jeffrey Seyfried-88/+12
2016-09-24Load macros from `#[macro_use]` extern crates in `resolve`.Jeffrey Seyfried-4/+5
2016-09-24Refactor `ext::tt::macro_rules::compile` to take a `ParseSess` instead of an ↵Jeffrey Seyfried-39/+32
`ExtCtxt`.
2016-09-23reviewer comments and rebasingNick Cameron-7/+4
2016-09-15Remove `MacroRulesTT`.Jeffrey Seyfried-3/+36
2016-09-13Move macro resolution into `librustc_resolve`.Jeffrey Seyfried-2/+2
2016-09-05Refactor `SyntaxEnv`.Jeffrey Seyfried-2/+2
2016-09-05In `Parser` and `ExtCtxt`, replace fields `filename` and `mod_path_stack`Jeffrey Seyfried-2/+1
with a single field `directory: PathBuf`.
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