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Author SHA1 Message Date
Marijn Haverbeke
3bdbf74d47 Make moving of temporaries do the right thing, use it to optimize 
This adds support for dropping cleanups for temporary values when they
are moved somewhere else. It then adds wraps most copy operations
(return, put in data structure, box, etc) in a way that will fall back
to a move when it is safe.

This saves a lot of taking/dropping, shaving over a megabyte off the
stage2/rustc binary size.

In some cases, most notably function returns, we could detect that the
returned value is a local variable, and can thus be safely moved even
though it is not a temporary. This will require putting some more
information in lvals.

I did not yet handle function arguments, since the logic for passing
them looked too convoluted to touch. I'll probably try that in the
near future, since it's bound to be a big win.
 2011-07-07 15:54:01 +02:00
Marijn Haverbeke
007a736642 Improve handling of move and swap by alias checker 
Closes issue #541.
Closes issue #591
 2011-07-07 10:37:19 +02:00
Lindsey Kuper
130006cdda Tie the knot for self-calls inside extended objects. Closes #539. 2011-07-06 18:39:01 -07:00
Brian Anderson
cf4c2ac0be Generate a main fn for test running. Issue #428 2011-07-06 18:26:22 -07:00
Lindsey Kuper
6ca81b3407 Fix a pointer bug. 2011-07-06 17:16:54 -07:00
Lindsey Kuper
553beda96d Add span information to create_vtbl and friends. 2011-07-06 17:16:53 -07:00
Lindsey Kuper
41f6a3d5e1 Comments and cleanup. 2011-07-06 17:16:53 -07:00
Patrick Walton
2f29f9931d rustc: Make constraint args in the AST interior vectors 2011-07-06 16:19:19 -07:00
Patrick Walton
f164d7779a rustc: Move AST constraints to interior vectors 2011-07-06 16:12:39 -07:00
Patrick Walton
c83782f500 rustc: Migrate core AST types to interior vectors 2011-07-06 16:01:47 -07:00
Patrick Walton
aad0bcc8d5 rustc: Make AST tuple types use interior vectors 2011-07-06 15:53:47 -07:00
Patrick Walton
401b6362d7 rustc: Make meta items into interior vectors 2011-07-06 15:46:03 -07:00
Patrick Walton
479ce4d783 rustc: Move crate directives over to interior vectors 2011-07-06 15:15:06 -07:00
Patrick Walton
0226f56115 rustc: Convert attribute in the AST to interior vectors 2011-07-06 15:15:00 -07:00
Patrick Walton
7714cb297b rustc: Make AST paths use interior vectors 2011-07-06 15:14:52 -07:00
Patrick Walton
368f1f4ba8 rustc: Move middle::tstate::collect_locals over to interior vectors 2011-07-06 15:14:45 -07:00
Patrick Walton
b232ad94fd rustc: Remove unused or seldom-used imports from middle::tstate::{bitvectors, ck} 2011-07-06 15:14:35 -07:00
Patrick Walton
5739e0be01 rustc: Remove some unused references to std::vec from tstate::ann and tstate::auxiliary 2011-07-06 15:14:29 -07:00
Patrick Walton
abab04635a rustc: Move middle::tstate::auxiliary and middle::tstate::bitvectors over to interior vectors 2011-07-06 15:14:19 -07:00
Patrick Walton
6d1517cf3a rustc: Move tstate::annotate over to interior vectors 2011-07-06 15:14:09 -07:00
Patrick Walton
35c1dbd492 rustc: Convert bind_params_in_type() to use interior vectors 2011-07-06 15:13:59 -07:00
Patrick Walton
1d57800236 rustc: Migrate tag variants to interior vectors 2011-07-06 15:13:54 -07:00
Patrick Walton
2e1aa04fcd rustc: Make object methods into interior vectors 2011-07-06 15:13:47 -07:00
Patrick Walton
0391e14fc2 rt: Double stack size 2011-07-06 15:13:00 -07:00
Patrick Walton
91eb63eaee rt: Add a stack check to upcall_get_type_desc 2011-07-06 15:07:04 -07:00
Brian Anderson
2f7bc90514 Add a stdtest crate to hold the standard library tests 
This will link to std and compile with the --test flag. Eventually the
run-pass/lib* tests will move here.

We could also put the std tests directly into the library and compile both a
library version and a test version, but I think this way will make for faster
builds.

Issue #428
 2011-07-06 14:39:40 -07:00
Brian Anderson
b06ccb45ab Begin adding unit testing infrastructure to the compiler 
Add a --test flag and a pass for transforming the AST to generate a test
harness.

Issue #428
 2011-07-06 14:39:36 -07:00
Brian Anderson
0eac640fdd Swap the expected/actual for typechecking fields of updated records 
In 'rec(a = b with c)', if a exists in c then the expected type for b is the
type of c.
 2011-07-06 14:04:52 -07:00
Patrick Walton
05954f37b7 rustc: Use an interior vector for ty::count_ty_params 2011-07-06 12:05:18 -07:00
Patrick Walton
e066bae56e rustc: Move the interner over to interior vectors 2011-07-06 12:05:13 -07:00
Patrick Walton
717ac3df77 rustc: Make the various constraint-related types in middle::ty use interior vectors 2011-07-06 12:05:06 -07:00
Patrick Walton
2fd46b54fb rustc: Make type parameter substitutions interior vectors 2011-07-06 12:04:59 -07:00
Patrick Walton
cb2018c6db rustc: Change constraints in types to use interior vectors 2011-07-06 12:04:07 -07:00
Patrick Walton
13d920c10d rustc: Switch tag type parameters to interior vectors 2011-07-06 12:03:55 -07:00
Patrick Walton
ede35f4c43 rustc: Use interior vectors for tag type parameters 2011-07-06 12:03:06 -07:00
Eric Holk
111989a626 Removed what seems to be the last of the calls to rand(). Closes #582. 2011-07-06 11:50:25 -07:00
Brian Anderson
066bcc6c79 Make "cannot determine a type for this local variable" non-fatal 2011-07-06 11:44:42 -07:00
Brian Anderson
5c20a8aa9c Make "cannot determine a type for this expression" non-fatal. Closes #621 2011-07-06 11:44:36 -07:00
Brian Anderson
c31472e845 Refactor the typeck::writeback AST walk 
All visitors take a wb_ctxt now instead of some taking a fn_ctxt and some
taking an ignore flag.
 2011-07-06 11:42:20 -07:00
Brian Anderson
0c9c4cb575 Remove unused method from typeck::writeback 2011-07-06 11:42:20 -07:00
Brian Anderson
c1136e4e05 Limit exports from typeck 2011-07-06 11:42:20 -07:00
Brian Anderson
97c1537374 Limit exports from typeck::writeback 2011-07-06 11:42:20 -07:00
Lindsey Kuper
e30d2c82ae Simplify AST for expr_anon_obj. 2011-07-06 11:36:06 -07:00
Lindsey Kuper
23bae67f4c Simplify arguments to trans_anon_obj and friends. 2011-07-06 11:36:06 -07:00
Eric Holk
bc5d6aefda Added a task wakeup callback. Closes #599. 
The callback happens when a task moves from the "blocked" state to the
"running" state. The callback is also inherited by child tasks. There
is currently only a native API.

This code hasn't been heavily exercised yet.
 2011-07-06 11:30:00 -07:00
Patrick Walton
bbdba21b1f rustc: Revert the conversion to interior vectors due to heap corruption 2011-07-06 11:26:26 -07:00
Patrick Walton
ec890fff23 Temp commit on the way to making meta_item into an interior vector 2011-07-06 11:09:08 -07:00
Patrick Walton
3f6c9f8d84 rustc: Move crate directives over to interior vectors 2011-07-06 11:09:08 -07:00
Patrick Walton
c927d97fa0 rustc: Convert attribute in the AST to interior vectors 2011-07-06 11:09:08 -07:00
Patrick Walton
1591955adf rustc: Make AST paths use interior vectors 2011-07-06 11:09:08 -07:00