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Author SHA1 Message Date
Aleksey Kladov
2bf81922f7 internal: more reasonable grammar for blocks 
Consider these expples

        { 92 }
  async { 92 }
    'a: { 92 }
   #[a] { 92 }

Previously the tree for them were

  BLOCK_EXPR
    { ... }

  EFFECT_EXPR
    async
    BLOCK_EXPR
      { ... }

  EFFECT_EXPR
    'a:
    BLOCK_EXPR
      { ... }

  BLOCK_EXPR
    #[a]
    { ... }

As you see, it gets progressively worse :) The last two items are
especially odd. The last one even violates the balanced curleys
invariant we have (#10357) The new approach is to say that the stuff in
`{}` is stmt_list, and the block is stmt_list + optional modifiers

  BLOCK_EXPR
    STMT_LIST
      { ... }

  BLOCK_EXPR
    async
    STMT_LIST
      { ... }

  BLOCK_EXPR
    'a:
    STMT_LIST
      { ... }

  BLOCK_EXPR
    #[a]
    STMT_LIST
      { ... }
 2021-09-26 19:16:09 +03:00
Aleksey Kladov
56964c9bd3 feat: allow attributes on all expressions 
Attrs are syntactically valid on any expression, even if they are not
allowed semantically everywhere yet.
 2021-09-25 22:19:27 +03:00
Aleksey Kladov
f27cda6865 minor: more condensed tests 2021-09-25 14:24:57 +03:00
Aleksey Kladov
1567bbb73e minor: more focusted tests 2021-09-25 14:04:27 +03:00
Aleksey Kladov
a6181bfdb7 internal: more focused tests for const arguments 2021-09-19 16:35:10 +03:00
Aleksey Kladov
c0556bd8c1 minor: improve readability 2021-09-18 15:56:26 +03:00
Aleksey Kladov
3dc2aeea0f internal: parser cleanup 2021-09-18 15:46:28 +03:00
Aleksey Kladov
af9fd37cd9 internal: minimize use_tree parser tests 
The code here is intentionally dense and does exactly what is written.
Explaining semantic difference between Rust 2015 and 2018 doesn't help
with understanding syntax. Better to just add more targeted tests.
 2021-09-18 15:22:49 +03:00
Aleksey Kladov
1d2e9818d6 internal: parser cleanups 2021-09-18 14:53:46 +03:00
Aleksey Kladov
aaadaa40bd internal: more focused trait item parsing tests 2021-09-18 14:34:29 +03:00
Aleksey Kladov
3474e3b3b1 intenral: more local tests for statics 2021-09-18 01:02:43 +03:00
Aleksey Kladov
2195ecd7e7 internal: cleanup adt parsing 2021-09-18 00:50:27 +03:00
Aleksey Kladov
d890c767c4 internal: cleanup item parsing 2021-09-18 00:33:42 +03:00
Aleksey Kladov
77e8421d0f internal: more local parsing tests for macros 2021-09-17 22:21:57 +03:00
Aleksey Kladov
073d5f7733 internal: more focused parsing tests 2021-09-17 22:15:12 +03:00
Aleksey Kladov
55078c81e0 internal: more local test for mod item 2021-09-17 21:53:24 +03:00
Aleksey Kladov
715cd8d938 internal: more local parsing tests 2021-09-17 21:49:01 +03:00
Aleksey Kladov
940b3afd00 internal: fix bugs in tests by simplifying code 2021-09-13 13:29:27 +03:00
Aleksey Kladov
4452f9ec48 internal: improve style 
Group related stuff together, use only on path for parsing extern blocks
(they actually have modifiers).

Perhaps we should get rid of items_without_modifiers altogether? Better
to handle these kinds on diagnostics in validation layer...
 2021-08-30 15:55:40 +03:00
Aleksey Kladov
8dc3b46017 fix: avoid panic when parsing extern block 
closes #10083
 2021-08-30 15:40:47 +03:00
Jonas Schievink
d568e7686a Support if let match guards 2021-08-13 00:25:14 +02:00
Jade
775670e32c Split the test 2021-08-04 03:01:48 -07:00
Jade
b90ed92a5c Support exclusive_range_pattern 
Fix #9779
 2021-08-03 21:36:29 -07:00
Lukas Wirth
4de447b293 Attach comma token to MATCH_ARM instead of MATCH_ARM_LIST 2021-07-29 23:02:52 +02:00
Lukas Wirth
f43cd562bc Fix generic_arg not parsing opt_generic_arg_list properly in arg lists 2021-07-26 15:21:19 +02:00
bors[bot]
ea105f9396
Merge #9619 
9619: Support GATs for associated type arg parsing r=Veykril a=Veykril

Fixes #9602

Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
 2021-07-18 09:10:56 +00:00
Lukas Wirth
e7aa37c20a Support GATs for associated type arg parsing 2021-07-18 11:08:43 +02:00
Aleksey Kladov
15f11dce4a feat: improve parser error recovery for function parameters 2021-07-17 22:41:04 +03:00
Lukas Wirth
02d25ab60d Fix parser tests for 1.53 2021-06-17 18:09:44 +02:00
Jonas Schievink
1d6eef1350 Update ungrammar 2021-06-11 18:34:30 +02:00
Jonas Schievink
cb8632d87c Parse const param defaults 2021-04-29 03:07:53 +02:00
Jonas Schievink
caee3a2eeb Correctly parse negated literals as const args 2021-04-29 02:27:55 +02:00
Lukas Wirth
3f7a086b4f Parse outer atttributes for RecordPatField 2021-04-21 11:08:15 +02:00
cynecx
cf3b4f1e20 hir_ty: Expand macros at type position 2021-04-17 16:24:56 +02:00
Jonas Schievink
022a0f061e Correctly parse attributes on fn parameters 2021-03-17 18:28:27 +01:00
Arnaud
95d239da99 Specialization for async traits 2021-02-15 18:33:12 +01:00
Lukas Wirth
b26002410b Parse impl const Trait 2021-01-18 20:18:02 +01:00
Lukas Wirth
98718e0544 Wrap remaining self/super/crate in Name{Ref} 2021-01-15 22:18:43 +01:00
Lukas Wirth
cb863390f2 Handle self/super/crate in PathSegment as NameRef 2021-01-15 19:21:23 +01:00
Daiki Ihara
138514bea2 Add test for yield_expr 2021-01-15 23:35:17 +09:00
bors[bot]
607b9ea160
Merge #7218 
7218: Fix typos r=Veykril a=regexident

Apart from the very last commit on this PR (which fixes a public type's name) all changes are non-breaking.

Co-authored-by: Vincent Esche <regexident@gmail.com>
 2021-01-10 18:16:29 +00:00
Vincent Esche
d462119744 Updated tests via cargo xtask codegen 2021-01-10 18:36:27 +01:00
Callym
dcb4c0ada6 Allow true and false keywords in const generics 2021-01-10 13:58:09 +00:00
Lukas Wirth
3e0bb89541 Fix macro_rules not accepting brackets or parentheses 2020-12-24 09:36:47 +01:00
Lukas Wirth
2c94c4964a Parse const effect block 2020-12-23 02:15:44 +01:00
Lukas Wirth
03a9bbacf2 Parse ConstBlockPat 2020-12-23 01:49:43 +01:00
bors[bot]
9bb9fbab3a
Merge #6965 
6965: Properly attach attributes to Param instead of parent ParamList r=matklad a=Veykril

Fixes #2783, fixes #2781

The problem with `let _a = [0,#[cfg(feature = "L")]0];` has already been fixed some time ago it seems:
<details>
  <summary>Syntax Tree for the const item</summary>

```
  LET_STMT@200..236
    LET_KW@200..203 "let"
    WHITESPACE@203..204 " "
    IDENT_PAT@204..206
      NAME@204..206
        IDENT@204..206 "_a"
    WHITESPACE@206..207 " "
    EQ@207..208 "="
    WHITESPACE@208..209 " "
    ARRAY_EXPR@209..235
      L_BRACK@209..210 "["
      LITERAL@210..211
        INT_NUMBER@210..211 "0"
      COMMA@211..212 ","
      LITERAL@212..234
        ATTR@212..233
          POUND@212..213 "#"
          L_BRACK@213..214 "["
          PATH@214..217
            PATH_SEGMENT@214..217
              NAME_REF@214..217
                IDENT@214..217 "cfg"
          TOKEN_TREE@217..232
            L_PAREN@217..218 "("
            IDENT@218..225 "feature"
            WHITESPACE@225..226 " "
            EQ@226..227 "="
            WHITESPACE@227..228 " "
            STRING@228..231 "\"L\""
            R_PAREN@231..232 ")"
          R_BRACK@232..233 "]"
        INT_NUMBER@233..234 "0"
      R_BRACK@234..235 "]"
    SEMICOLON@235..236 ";"
```
</details>

Co-authored-by: Lukas Wirth <lukastw97@gmail.com>
 2020-12-21 08:54:31 +00:00
Lukas Wirth
3ea4d43850 Properly parse legacy trait objects with leading ForType 2020-12-20 21:53:55 +01:00
Lukas Wirth
64caa027b8 Parse attributes in tuple expressions 2020-12-20 21:01:36 +01:00
Lukas Wirth
4be9ed675e Properly attach attributes to Param instead of parent ParamList 2020-12-20 20:30:18 +01:00