bjoernager/rust
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Author SHA1 Message Date
Nick Cameron
ffd2a0b9d7 Add some simple error recovery to the parser and fix tests 
Some tests just add the extra errors, others I fix by doing some simple error recovery. I've tried to avoid doing too much in the hope of doing something more principled later.

In general error messages are getting worse at this stage, but I think in the long run they will get better.
 2016-02-15 09:30:23 +13:00
Nick Cameron
0ef9c5f585 error correction for missing or mismatched closing brackets 2016-02-15 09:30:23 +13:00
Nick Cameron
36a9f0cff1 refactoring: inline some function in the parser 2016-02-15 09:30:23 +13:00
Vadim Petrochenkov
9f414a44a7 Split ast::PatKind::Enum into tuple struct and path patterns 2016-02-13 15:51:27 +03:00
Vadim Petrochenkov
14adc9bb63 Rename ast::Pat_ and its variants 2016-02-13 13:49:24 +03:00
Jeffrey Seyfried
d21e908175 Disallow non-inline modules without path annotations inside blocks and fix fallout 2016-02-13 07:05:28 +00:00
Jeffrey Seyfried
dbc2466f09 Only consider a module to be a directory owner if it is located within a directory owner 2016-02-13 07:01:41 +00:00
Jonas Schievink
c877d61b15 Use more autoderef in libsyntax 2016-02-12 19:28:42 +01:00
Vadim Petrochenkov
77cc5764b9 Remove some unnecessary indirection from AST structures 2016-02-11 23:33:09 +03:00
Oliver 'ker' Schneider
2b816b0d6a [breaking-change] don't glob export ast::PathListItem_ variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
8b3856b1bc [breaking-change] don't glob export ast::StrStyle variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
d844bfb196 [breaking-change] don't glob export ast::Visibility variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
dfe35da6b8 [breaking-change] don't glob export ast::TraitItemKind variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
73fa9b2da2 [breaking-change] don't glob export ast::Mutablity variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
e797e1961d [breaking-change] don't glob export ast::MacStmtStyle 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
798974cae5 [breaking-change] don't glob export ast::KleeneOp variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
019614f03d [breaking-change] don't glob export ast::Item_ variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
0d6ddd1903 [breaking-change] don't glob export ast::ForeignItem_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
8290c950a8 [breaking-change] don't pub export ast::Stmt_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
498a2e416e [breaking-change] don't pub export ast::IntLitType variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
69072c4f5d [breaking-change] don't pub export ast::Lit_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
05d4cefd63 [breaking-change] don't pub export ast::Ty_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
625e78b700 [breaking-change] don't glob export ast::{UintTy, IntTy} variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
80bf9ae18a [breaking-change] don't glob export ast::Expr_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
1c4d437158 [breaking-change] don't glob export ast::ExplicitSelf_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
79fa657abc [breaking-change] don't glob export ast::Decl_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
8516ba367d [breaking-change] don't glob export ast::CaptureClause variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
243a30c931 [breaking-change] don't glob import/export syntax::abi enum variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
47b0784ba8 [breaking-change] don't glob export ast::BlockCheckMode variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
3b57d40fe5 [breaking-change] don't glob import ast::FunctionRetTy variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
05e25de4f0 [breaking-change] don't glob export ast::BinOp_ 2016-02-11 12:34:48 +01:00
Oliver Schneider
f875f4c4c2 [breaking-change] don't glob export ast::UnOp variants 2016-02-11 12:34:48 +01:00
Tomasz Miąsko
cecf83f592 Breaking tokens into pieces should behave similar to Parser::bump. 
Previously when breaking tokens into smaller pieces, the replace_token
function have been used. It replaced current token and updated span
information, but it did not clear the list of expected tokens, neither
did it update remaining info about last token. This could lead to
incorrect error message, like one described in the issue #24780:

  expected one of ... `>` ...  found `>`
 2016-02-08 21:26:48 +01:00
Nick Cameron
b6e4f18e55 Replace some aborts with Results 
Fixes #31207

by removing abort_if_new_errors
 2016-02-01 08:42:27 +13:00
bors
8256c470a5 Auto merge of #31089 - fhahn:macro-ice, r=pnkfelix 
This is a  work in progress PR that potentially should fix #29084, #28308, #25385, #28288, #31011. I think this may also adresse parts of  #2887.

The problem in this issues seems to be that when transcribing macro arguments, we just clone the argument Nonterminal, which still has to original spans. This leads to the unprintable spans. One solution would be to update the spans of the inserted argument to match the argument in the macro definition. So for [this testcase](https://github.com/rust-lang/rust/compare/master...fhahn:macro-ice?expand=1#diff-f7def7420c51621640707b6337726876R2) the error message would be displayed in the macro definition:

    src/test/compile-fail/issue-31011.rs:4:12: 4:22 error: attempted access of field `trace` on type `&T`, but no field with that name was found
    src/test/compile-fail/issue-31011.rs:4         if $ctx.trace {

Currently I've added a very simple `update_span` function, which updates the span of the outer-most expression of a `NtExpr`, but this `update_span` function should be updated to handle all Nonterminals. But I'm pretty new to the macro system and would like to check if this approach makes sense, before doing that.
 2016-01-27 12:12:52 +00:00
Florian Hahn
e533ed91be Avoid storing interolated token in Parser.last_token 2016-01-27 11:28:33 +01:00
Florian Hahn
47bfd8c93c Turn interpolated_or_expr_span into a function 2016-01-27 10:47:33 +01:00
Manish Goregaokar
b6faae11f4 Rollup merge of #31211 - Manishearth:pr-30765, r=nrc 
r? @eddyb or @nrc
 2016-01-26 18:55:39 +05:30
Florian Hahn
9d8c64b996 Push try! to call site of interpolated_or_expr_span! 2016-01-26 12:49:22 +01:00
Florian Hahn
2bc8f4ff80 Add interpolated_or_expr_span macro and pass lo to newly added parse_dot_suffix 2016-01-26 11:51:24 +01:00
Florian Hahn
1bde18d60c Use interpolated token span when building spans for bigger expressions 2016-01-26 10:32:58 +01:00
Florian Hahn
20edb366e7 Set span for interpolated tokens correctly 2016-01-26 10:32:58 +01:00
Manish Goregaokar
065e47eb3b Improve error message for let-in-expr-position 2016-01-26 13:55:46 +05:30
Daan Sprenkels
1745153eae do not additionally note about unexpected identifier after unexpected let 
error, by moving unexpected let check into the proper if-else clause
 2016-01-25 20:56:13 +05:30
Daan Sprenkels
2b1e273293 Update qquote.rs test case and make unexpected let error fatal 2016-01-25 20:56:12 +05:30
Daan Sprenkels
79f2cff44e libsyntax: move check for keyword Let to a more logical spot 2016-01-25 20:56:10 +05:30
Daan Sprenkels
082c03b078 libsyntax: note that let a = (let b = something) is invalid 
in parse_bottom_expr (parser.rs)
 2016-01-25 20:52:53 +05:30
Nick Cameron
0ac8915875 The war on abort_if_errors 2016-01-22 08:19:27 +13:00
Nick Cameron
b1b6b33c6d Some basic error correction in the parser after a dot 2016-01-22 08:19:27 +13:00
Florian Hahn
e61d21fe3d Cancel parse_ty error in Parser::parse_generic_values_after_lt 2016-01-10 22:59:23 +01:00