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2282 Commits

Author SHA1 Message Date
Brian Anderson
cb4e99b688 Don't allow vectors of pinned kinds 
Vectors of pinned kinds can't be safe because most interesting uses of vector
perform copies
 2011-09-28 15:35:21 -07:00
Patrick Walton
f7d0c1cec3 rustc: Add a new "C stack cdecl" native ABI 2011-09-28 12:58:33 -07:00
Brian Anderson
381205b747 Revert "Revert "Implement pattern ranges for all numeric types."" 
This reverts commit a034f87146e60e1db2327c6f6807c47406a1bb0b.

Conflicts:

	src/comp/middle/check_alt.rs
	src/comp/middle/trans_alt.rs
	src/comp/syntax/ast.rs
	src/comp/syntax/ast_util.rs
	src/comp/syntax/fold.rs
	src/comp/syntax/print/pprust.rs

Conflicts:

	src/comp/middle/trans_alt.rs
 2011-09-28 12:46:29 -07:00
Patrick Walton
dbf472b0df rustc: Switch to cdecl for all calls. This is needed to make stack growth efficient, as I need to use eax and ecx in the function prologue and can't afford to stomp on incoming arguments. 2011-09-28 10:22:02 -07:00
Marijn Haverbeke
512cfb4b83 Remove a few kludges that worked around issue #913 2011-09-28 12:59:44 +02:00
Marijn Haverbeke
a3a27374bd Don't descend into functions from relax_precond_block 
Closes #913
 2011-09-28 12:37:28 +02:00
Marijn Haverbeke
759fc101fb Get rid of might_not_init kludge in init_local. 
Initializing something is now safe wrt to cleanups (so the cleanup for the
local is only registered after the initialization.)
 2011-09-28 11:12:35 +02:00
Marijn Haverbeke
16d5aaa962 Wait with registering cleanups for locals until after the init code ran 
Fixes a double-cleanup that was breaking unwind-tup.rs under valgrind.
 2011-09-28 10:41:19 +02:00
Marijn Haverbeke
e3626c9405 Use DPS for assignment and local initialization 
Issue #667
 2011-09-28 09:42:04 +02:00
Brian Anderson
a96b16e8c3 Make it again possible to initialize resource locals via assignment 
Some special cases allow both 'let a <- my_resource(x)' and
'let a = my_resource(x)' to work as expected despite ostensibly being
copies and moves.
 2011-09-27 23:20:27 -07:00
Brian Anderson
459353e107 Prevent copies of resources into various things 2011-09-27 21:50:07 -07:00
Brian Anderson
888e22aacc Add more comments about kind checking on local move initializers 2011-09-27 16:03:10 -07:00
Brian Anderson
b8bb663df7 Don't ever raise unique kinds of pinned kinds to shared (again) 
So *resource, ~resource, [resource] are all pinned. This is counter to the
design of the kind system, but this way is a much clearer path to type safety.
Once we've established a good baseline with lots of tests, then we can try to
make raising pinned kinds work.
 2011-09-27 16:03:10 -07:00
Brian Anderson
e50580aa66 Revert "Use DPS for assignment and local initialization" 
This reverts commit b1b202d302d1e84886360f9c8f146b9562db5f23.
 2011-09-27 16:03:09 -07:00
Marijn Haverbeke
04f062f9d4 Fix lurking bug in matching of nil 
Which was somehow made visible by the DPS changes.
 2011-09-27 22:49:33 +02:00
Marijn Haverbeke
b1b202d302 Use DPS for assignment and local initialization 
Issue #667
 2011-09-27 20:33:09 +02:00
Marijn Haverbeke
e42f3b8481 Safeguard against self-assignment for unique types 2011-09-27 20:33:09 +02:00
Marijn Haverbeke
94db38a530 Move expr_unary to DPS style 
Issue #667
 2011-09-27 17:31:15 +02:00
Marijn Haverbeke
92d63ffa65 Make trans_rec and trans_tup understand overwrite dests 
Issue #667
 2011-09-27 17:31:15 +02:00
Marijn Haverbeke
8282f7fe80 Move expr_binary into trans_expr_dps 
Issue #667
 2011-09-27 17:30:54 +02:00
Marijn Haverbeke
806e74fbf5 Move expr_lit and expr_vec into trans_expr_dps 
Issue #667
 2011-09-27 17:30:45 +02:00
Marijn Haverbeke
8ea72fae99 Move more non-value-returning things to trans_expr_dps. 
Issue #667
 2011-09-27 17:30:45 +02:00
Brian Anderson
6b42ad5ea0 Enforce copy restrictions on let initializers 2011-09-26 22:00:15 -07:00
Jesse Ruderman
20c2d2a999 Distinguish #924 2011-09-26 20:44:57 -07:00
Brian Anderson
3778b6c6a8 Prevent copying of uncopyable things via the copy op 2011-09-26 20:03:30 -07:00
Brian Anderson
755001725a Prevent copying of uncopyable things via compound assignment ops 2011-09-26 20:03:24 -07:00
Brian Anderson
99cbea51a1 Don't allow vectors of pinned kinds to be copied 2011-09-26 19:57:00 -07:00
Brian Anderson
4bee452221 Don't allow copying of unique boxes of pinned kinds 
Issue #409
 2011-09-26 18:43:49 -07:00
Brian Anderson
389852b5c0 Fix tags of unique boxes 
Issue #409
 2011-09-26 14:44:08 -07:00
Brian Anderson
223f5be166 Unique vectors and boxes of pinned are unique kinds. Closes #977 2011-09-26 13:38:46 -07:00
Marijn Haverbeke
8c0918ac18 Construct records and tuples in-place 
Issue #667

Now, {a: {b: 10, c: 20}, d: @30} will simply write the values in the right
places, rather than creating intermediary records and then memmoving them.
Cuts about a megabyte off the unoptimized compiler size.
 2011-09-26 22:13:08 +02:00
Marijn Haverbeke
5837975f95 Convert more expression types to use DPS 
expr_rec, expr_tup, most of the exprs that don't return anything. Make
trans_ret almost trivial by using destination adaptors (trans_save_in,
trans_by_ref).

Issue #667
 2011-09-26 21:34:10 +02:00
Marijn Haverbeke
345b5a47bd Add a workaround hack for issue #913 
I can't figure out what the real cause of this bug is, but I want
to be able to use blocks inside loops again.
 2011-09-26 21:34:10 +02:00
Graydon Hoare
93f0e9bac3 Refine notes in kind.rs some more. Add a fixme to ty.rs. 
Kinds are still pretty wobbly. See thread starting at
https://mail.mozilla.org/pipermail/rust-dev/2011-September/000807.html
 2011-09-25 21:20:17 -07:00
Marijn Haverbeke
1e988f228d Don't call trans_bind_thunk in an unreachable context 
Closes #973
 2011-09-26 04:08:45 +02:00
Marijn Haverbeke
4c5e42a139 Make 'fail fail;' compile. 
Closes #972
 2011-09-26 03:57:08 +02:00
Marijn Haverbeke
6164b72402 Fix bug in mutability-checking pass 
It wasn't properly handling function arguments.
 2011-09-26 03:56:39 +02:00
Brian Anderson
98db2febd3 Handle ~fail. Closes #968 2011-09-24 23:52:22 -07:00
Brian Anderson
4f7ecce7d1 Support non-immediates in trans_uniq::copy_val 
Issue #409
 2011-09-24 21:28:58 -07:00
Lindsey Kuper
822ed2c6d3 Small refactors. 
Factor out some shared code from the start of process_fwding_mthd and
process_bkwding_mthd; get rid of unneeded temp variable.
 2011-09-24 23:38:47 -04:00
Jesse Ruderman
3b5b29c7ec Reduce and clarify abuse of 'pure' in interner 2011-09-24 16:33:26 -07:00
Jesse Ruderman
064f52fa96 Mark some fns as pure so type_is_unique_box doesn't need to be unchecked 2011-09-24 15:36:09 -07:00
Brian Anderson
c5877450e6 Tweak the type allocated for unique pointers 
Seems to be more correctish...

Issue #409
 2011-09-24 12:36:51 -07:00
Brian Anderson
777a536313 Support non-immediates in unique-box type glue 
Issue #409
 2011-09-24 12:36:51 -07:00
Brian Anderson
856acbf66d Vectors containing pinned kinds become pinned 
Otherwise they could be copied
 2011-09-24 12:36:51 -07:00
Brian Anderson
e5d5682065 Unique pointers containing pinned kinds become pinned 
Issue #409
 2011-09-24 12:36:51 -07:00
Brian Anderson
d8f6e9f237 Add let destructuring for unique boxes 
Issue #409
 2011-09-23 16:12:04 -07:00
Brian Anderson
2082f67765 Begin to support pattern matching on unique boxes 
Issue #409
 2011-09-23 15:15:30 -07:00
Marijn Haverbeke
2c7f21c524 Properly mark unreachable alt bodies as unreachable 2011-09-23 23:37:15 +02:00
Marijn Haverbeke
572a4b71d5 Make AddIncomingToPhi take single values rather than arrays 2011-09-23 23:20:19 +02:00