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path: root/src/libsyntax/ext/tt/macro_rules.rs
AgeCommit message (Collapse)AuthorLines
2017-01-23Remove `open_span` and `close_span` from `Delimited`.Jeffrey Seyfried-6/+7
2017-01-17Clean up `ext::tt::transcribe`.Jeffrey Seyfried-11/+2
2017-01-17Refactor the parser to consume token trees.Jeffrey Seyfried-7/+13
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-8/+9
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
2016-11-03Reduce the size of `Token` and make it cheaper to clone by refactoringJeffrey Seyfried-8/+14
`Token::Interpolated(Nonterminal)` -> `Token::Interpolated(Rc<Nonterminal>)`.
2016-10-29Move `CrateConfig` from `Crate` to `ParseSess`.Jeffrey Seyfried-2/+2
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-7/+12
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-7/+12
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.
2016-10-19Improve `$crate`.Jeffrey Seyfried-9/+3
2016-10-14Avoid many CrateConfig clones.Nicholas Nethercote-2/+2
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`.
2016-08-07Make metavariables hygienic.Jeffrey Seyfried-2/+2
2016-07-13Start a best-effort warning cycle.Jeffrey Seyfried-1/+1
2016-07-13cleanup: Refactor parser method `finish_parsing_statement` -> `parse_full_stmt`.Jeffrey Seyfried-7/+1
2016-07-12Parse macro-expanded statements like ordinary statements.Jeffrey Seyfried-1/+7
2016-07-04Revert "Change `fold_tt` and `fold_tts` to take token trees by value ↵Jeffrey Seyfried-4/+5
(instead of by reference)" This reverts commit 5bf7970ac70b4e7781e7b2f3816720aa62fac6fd.
2016-06-26Rollup merge of #33943 - jseyfried:libsyntax_cleanup, r=nrcJeffrey Seyfried-22/+19
Miscellaneous low priority cleanup in `libsyntax`.
2016-06-26Rollup merge of #34385 - cgswords:tstream, r=nrcJeffrey Seyfried-7/+9
syntax-[breaking-change] cc #31645 (Only breaking because ast::TokenTree is now tokenstream::TokenTree.) This pull request refactors TokenTrees into their own file as src/libsyntax/tokenstream.rs, moving them out of src/libsyntax/ast.rs, in order to prepare for an accompanying TokenStream implementation (per RFC 1566).
2016-06-25Rollup merge of #34403 - jonathandturner:move_liberror, r=alexcrichtonJeffrey Seyfried-1/+1
This PR refactors the 'errors' part of libsyntax into its own crate (librustc_errors). This is the first part of a few refactorings to simplify error reporting and potentially support more output formats (like a standardized JSON output and possibly an --explain mode that can work with the user's code), though this PR stands on its own and doesn't assume further changes. As part of separating out the errors crate, I have also refactored the code position portion of codemap into its own crate (libsyntax_pos). While it's helpful to have the common code positions in a separate crate for the new errors crate, this may also enable further simplifications in the future.
2016-06-23Move errors from libsyntax to its own crateJonathan Turner-1/+1
2016-06-21Refactored tokentrees into their own files in preparation for tokenstreams. ↵cgswords-7/+9
Modified tests to point to the new file now.
2016-06-14Change `fold_tt` and `fold_tts` to take token trees by value (instead of by ↵Jeffrey Seyfried-21/+19
reference)
2016-06-13Add support for macro expansion inside trait itemsJoseph Dunne-0/+15
2016-06-07Auto merge of #33982 - LeoTestard:remove-check-matcher-old, r=pnkfelixbors-233/+18
Remove the old FOLLOW checking (aka `check_matcher_old`). It was supposed to be removed at the next release cycle but is still in the tree since like 6 months. Potential breaking change, since some cases (such as #25658) will change from a warning to an error. But the warning stating that it will be a hard error in the next release has been there for 6 months now. I think it's safe to break this code. ^_^
2016-06-06Remove the old FOLLOW checking (aka `check_matcher_old`).Leo Testard-233/+18
2016-05-26Reject a LHS formed of a single sequence TT during `macro_rules!` checking.Leo Testard-9/+4
This was already rejected during expansion. Encountering malformed LHS or RHS during expansion is now considered a bug.
2016-05-24Avoid iterating two times over the list of LHSes.Leo Testard-5/+4
2016-05-24Make sure that macros that didn't pass LHS checking are not expanded.Leo Testard-33/+53
This avoids duplicate errors for things like invalid fragment specifiers, or parsing errors for ambiguous macros. Fixes #29231.
2016-04-24syntax: Make static/super/self/Self keywords + special ident cleanupVadim Petrochenkov-3/+3
2016-04-24syntax: Get rid of token::IdentStyleVadim Petrochenkov-12/+10
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