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2db4259b35
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564 Commits

Author SHA1 Message Date
Niko Matsakis
2db4259b35 Stop inferring bot/static when types/regions are unconstrained. 
Also, some other changes that came up along the way:
- add a 'blk' region for the current block.
- detect unused type/region variables.
 2012-04-30 19:53:02 -07:00
Niko Matsakis
e348567f77 new, simpler approach to the iter library 2012-04-27 16:57:50 -07:00
Brian Anderson
5eca3c2210 parser: More refactoring of restricted value name checking 2012-04-27 16:45:54 -07:00
Brian Anderson
48368c5a07 test: Add test for two restricted keyword cases 2012-04-27 16:45:54 -07:00
Graydon Hoare
1f92538e38 Add check for path-statements, close #400. 2012-04-26 14:43:43 -07:00
Graydon Hoare
33a296f2fc Lowercase warning message. 2012-04-26 14:43:43 -07:00
Niko Matsakis
825fd1808e lots of work to make iface/impls parameterized by regions 
- paths can now take region parameters, replacing the dirty hack
  I was doing before of abusing vstores.  vstores are now a bit
  of a hack though.

- fix various small bugs:
  - we never checked that iface types were compatible when casting
    to an iface with `as`
  - we allowed nonsense like int<int>
  - and more! (actually that may be it)
 2012-04-25 19:26:56 -07:00
Marijn Haverbeke
9f99c3263b Rewrite exhaustiveness checker 
Issue #2111
 2012-04-25 09:15:17 +02:00
Brian Anderson
08d0707556 syntax: Make 'true' and 'false' bad words 
When these are idents they are always shadowed by the boolean
constants.
 2012-04-24 22:00:32 -07:00
Brian Anderson
e7dbf42214 rustc: Fix type_need_unwind_cleanup. Closes #2272 2012-04-24 14:55:16 -07:00
Brian Anderson
31853f31bf build: Don't require full target libs to run compiletest tests 
Only build through librustsyntax, which some tests do rely on.
 2012-04-24 13:30:03 -07:00
Tim Chevalier
f7641286b2 Allow classes to be cast to ifaces that are in the same crate 
I had to xfail one existing test case (class-implements-int) because,
I think, of the same bug described in #2272.
 2012-04-23 21:15:03 -07:00
Niko Matsakis
30d563839e Various regions fixes. 2012-04-23 08:02:59 -07:00
Marijn Haverbeke
68f8812511 Guard against infinitely expanding generic/inline functions 
Closes #2220

Test case disabled until a memory-leak issue is resolved.
 2012-04-23 16:44:52 +02:00
Marijn Haverbeke
2782cfb783 Emit a more useful error when using an unsuitable function for a loop 
Closes #2255
 2012-04-23 15:43:29 +02:00
Marijn Haverbeke
9053f54498 Move map iface over to more for-friendly iteration methods 2012-04-23 15:18:19 +02:00
Brian Anderson
7235f3cee2 syntax: Eliminate 'mutable' keyword. Closes #2254 2012-04-21 14:27:20 -07:00
Tim Chevalier
734166f41c Print out return type correctly in typestate error message 
In the "not all paths return" error message, typestate was printing
the AST type from the fn decl, not the ty::t type. This ended in tears
when the AST return type was "ty_infer". Now it looks up the function node
ID's type and uses util::ppaux::ty_to_str instead.

Closes #2163.
 2012-04-20 18:48:08 -07:00
Niko Matsakis
3d6c79109e update syntax to include a slash 2012-04-19 21:01:11 -07:00
Niko Matsakis
3c995fb8f3 make nominal types optionally parameterized by a self region. 
Issue #2201.
 2012-04-19 21:01:11 -07:00
Niko Matsakis
f3f34bf09b correct universally_quantify to use structure_of, and introduce a test for this 2012-04-19 21:01:11 -07:00
Tim Chevalier
cdc8722f95 Add a lint pass to check for while true { ... } loops 
And suggest changing them to loop { ... }. Had to fix the few
remaining while true loops (in core::io). Closes #1962.
 2012-04-19 18:14:38 -07:00
Tim Chevalier
b0074c5a92 Disallow rebinding / matching against consts in alts 
As per Issue #1193. Closes #1193.

I had to rename a few variables ("info" and "epsilon") to avoid
clashing with in-scope constants, which is responsible for all the
changes other than resolve and issue-1193.rs.
 2012-04-19 16:21:15 -07:00
Brian Anderson
9a8a04629e syntax: Put the main parser interface in mod parse 2012-04-18 10:50:50 -07:00
Niko Matsakis
4c26d70a0a new debug flag, new test 2012-04-17 12:02:36 -07:00
Niko Matsakis
6b549f9f14 repair LUB/GLB of free/scope regions, and enable test 2012-04-17 12:02:36 -07:00
Niko Matsakis
35a93e61d4 rewrite region resolution so it takes place in typeck 2012-04-16 19:48:00 -07:00
Tim Chevalier
4f4a468e84 Forbid deinitializing upvars in typestate 
Closes #1965.
 2012-04-15 01:05:41 -07:00
Niko Matsakis
cc16165e40 implement evec/estr subtyping/lub/glb/etc 2012-04-14 18:48:58 -07:00
Niko Matsakis
27f1c2b742 first stab at type checking for borrow: not integrated into trans 2012-04-13 10:41:46 -07:00
Tim Chevalier
ea0063788b Add a run-fail test for result::get, get rid of a FIXME. Also some random other tests, mostly xfailed. 2012-04-12 20:24:07 -07:00
Graydon Hoare
8a7fd4a04f Support general warnings and errors in lint pass via flags and attrs. Close #1543. 2012-04-12 17:31:49 -07:00
Brian Anderson
db7a1f7b0c test: Add compile-fail test for shadowing in-scope enums 2012-04-11 21:28:25 -07:00
Niko Matsakis
c1c60c023e first attempt at an assignability check 2012-04-11 17:21:53 -07:00
Tim Chevalier
5c12cd72f4 Allow classes to implement ifaces 
Introduce syntax like:

iface animal { ... }
class cat implements animal { ... }

to allow classes to implement ifaces. Casting classes to ifaces
is *not* yet supported. ifaces that a class implements are not
yet included in metadata.

The syntax is subject to change, and may go away completely if we
decide to use duck typing to relate classes with ifaces (see
http://smallcultfollowing.com/babysteps/blog/2012/04/10/declared-vs-duckish-typing/ )
 2012-04-11 16:20:01 -07:00
Brian Anderson
0094ffd99b test: Add test for mismatched nominal types when using multiple crate vers 2012-04-07 17:40:34 -07:00
Niko Matsakis
1e42c9a367 Do not consider ty_bot to be a "resolved type". 
Fixes #2149. Fixes #2150. Fixes #2151.
 2012-04-07 17:12:48 -07:00
Marijn Haverbeke
fc202ca034 Remove support for old-style for 
Closes #1619
 2012-04-06 20:38:23 +02:00
Marijn Haverbeke
c902eafa14 Convert old-style for loops to new-style 
Most could use the each method, but because of the hack used to
disambiguate old- and new-style loops, some had to use vec::each.

(This hack will go away soon.)

Issue #1619
 2012-04-06 20:38:23 +02:00
Brian Anderson
9c88e5ef5a test: Refactor the crateresolve tests 
Keep their aux builds from stomping on each other
 2012-04-06 10:58:03 -07:00
Brian Anderson
de3528846f rustc: Fail when there are multiple matches for 'use' 2012-04-06 10:58:03 -07:00
Niko Matsakis
586b072eef Make tps invariant for now. Fixes #1973. 2012-04-06 08:31:12 -07:00
Niko Matsakis
2c56ba7e43 improve error messages 2012-04-06 06:59:00 -07:00
Niko Matsakis
051f24da25 add static region and also fix regions to be contravariant 2012-04-05 21:16:28 -07:00
Niko Matsakis
b91c9f803d simplify typing rule for vector addition: use mutability of LHS 2012-04-05 15:18:26 -07:00
Niko Matsakis
79cbdba037 new tests for things we'll have to fix eventually 2012-04-05 15:18:26 -07:00
Niko Matsakis
c0d61795de wip: refactor repr of regions 
- we now distinguish bound/free parameters (see region-param
  test case for why this is necessary)
- we also track bounds on region variables
- also, restructure fold_ty() to have multiple variants without
  duplication instead of one overloaded folder.  This also allows
  for using block functions.
 2012-04-04 19:41:23 -07:00
Graydon Hoare
ab4105d9e8 Make nonconstructable enums noncopyable, close #1907. 2012-04-04 19:07:52 -07:00
Brian Anderson
9aa7241f05 rustc: Don't allow recursive constants 2012-04-04 16:12:57 -07:00
Niko Matsakis
f682b99e36 generate correct constraints for assignments 2012-03-29 19:41:09 -07:00