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Author SHA1 Message Date
Brian Anderson
ca0d3cae5c Add another unwind test 
This makes sure that cleanups added after the first invoke in a scope are
actually run on unwind
 2011-09-14 09:21:28 -07:00
Brian Anderson
31d4fe37f6 Revert "Try a little harder to avoid creating new landing pads" 
This reverts commit b8e31ac469.

Conflicts:

	src/comp/middle/trans.rs
 2011-09-14 09:19:31 -07:00
Marijn Haverbeke
93de2f0b74 Add syntax and representation for return-by-mutably-rooted-ref 
This will be used in the near future to decide what can safely
be done with the returned reference.

Issue #918
 2011-09-14 17:30:38 +02:00
Marijn Haverbeke
1cabe37155 Prevent memory errors when returning references to temp args. 
Issue #918
 2011-09-14 16:46:54 +02:00
Marijn Haverbeke
c6619f9ce0 Accept returning refs rooted in an arg from a by-ref funtion 
Issue #918
 2011-09-14 16:19:15 +02:00
Marijn Haverbeke
a3c449df74 Make ast_map.rs index function args, switch it over to simple_visitor 2011-09-14 15:30:59 +02:00
Marijn Haverbeke
cd0e7fc041 Remove some extra white-space introduced by the pretty-printer 2011-09-14 15:20:22 +02:00
Marijn Haverbeke
7d69712dee Disallow implicit arg copying when the function returns a ref 
Issue #918
 2011-09-14 14:57:20 +02:00
Marijn Haverbeke
93d2a4f82a Add support for basic return-by-alias to trans 
Issue #918
 2011-09-14 14:39:08 +02:00
Marijn Haverbeke
9a69ee79e0 Clean up trans_obj.rs a bit 
As a preparation to adding an arg to type_of_fn_full
 2011-09-14 13:49:22 +02:00
Marijn Haverbeke
6cd24173d4 Add a ret_style field to fn_ctxt in trans 2011-09-14 13:48:51 +02:00
Marijn Haverbeke
2aac43d809 Simplify trans::new_fn_ctxt_w_id 
It was still living in the pre-decent-type-inference era.
 2011-09-14 13:26:39 +02:00
Marijn Haverbeke
0699acb6f7 Rudimentary checking of safe alias returns 2011-09-14 13:09:45 +02:00
Marijn Haverbeke
63519d9006 Rename restrict to binding in alias.rs 
Its role gradually changed to the point where the old name doesn't
really make sense anymore.
 2011-09-14 12:06:51 +02:00
Marijn Haverbeke
44df041799 Stop needlessly boxing vectors in alias.rs 2011-09-14 11:37:52 +02:00
Marijn Haverbeke
51dae63c44 Make most of the compiler aware of return-by-reference 
tyencode/tydecode still don't know about it. return_ref will be extended to take
arguments anyway.
 2011-09-14 11:31:05 +02:00
Marijn Haverbeke
c1c083cd66 Refactor parse_ret_ty, start parsing by-alias return specs 2011-09-14 10:46:40 +02:00
Marijn Haverbeke
6eb9738a66 Rename ast::controlflow to ast::ret_style 
It will include information about returning by alias.
 2011-09-14 10:38:23 +02:00
Josh Matthews
f6fe07d1f3 Add support for negative literals. 2011-09-14 00:47:14 -04:00
Graydon Hoare
c0ffd2ea26 Print perf measurement outputs on completion of 'perf' target. 2011-09-13 17:32:25 -07:00
Brian Anderson
6d3dd0e48c Try harder still to generate fewer landing pads 
Scopes that don't have cleanups don't need their own landing pads

This takes the optimized rustc bin from 4.7MB to 4.4
 2011-09-13 16:52:12 -07:00
Brian Anderson
b8e31ac469 Try a little harder to avoid creating new landing pads 
It's only when we add or revoke cleanups involving immediates that we need a
new landing pad for the scope.

Trims 5K off the optimized rustc bin
 2011-09-13 16:52:12 -07:00
Brian Anderson
74c39469be Reuse landing pads when possible 
Cuts the optimized rustc bin from 5.2 to 4.7MB
 2011-09-13 16:52:12 -07:00
Graydon Hoare
e45c91135a Add a compile-stage2-under-perf step to "make perf" target. 2011-09-13 16:05:53 -07:00
Graydon Hoare
d5b2d62b20 Add build-system mechanisms for running benchmarks under 'perf'. 2011-09-13 15:06:41 -07:00
Michael Sullivan
c84b8e90b8 Print something when we can't figure out a tag name. Mitigates #876. 2011-09-13 13:14:49 -04:00
Marijn Haverbeke
b9267e8fbc Add missing cases for machine floats in shape.rs 2011-09-13 17:46:28 +02:00
Marijn Haverbeke
577d6dd602 Improve lexing of float literals 
Closes #575
 2011-09-13 17:43:01 +02:00
Marijn Haverbeke
f72573cce8 Properly pretty-print 10.x 
Closes #890
 2011-09-13 17:08:59 +02:00
Marijn Haverbeke
e64e9792ab Make pretty-printer wrap fail/ret/put in parens in call/index/field pos 
Closes #764
Closes #891
 2011-09-13 17:02:36 +02:00
Marijn Haverbeke
bc62b17543 Ensure that the declared type and actual type of a constant agree 
Closes #899
 2011-09-13 16:29:23 +02:00
Marijn Haverbeke
be5537e95f Be more strict about what constitutes a block expression 
Blocks (or statements involving blocks) that end in a semicolon are no
longer considered the block-expression of their outer block. This used
to be an expression block, but now is a statement block:

    { if foo { ret 1; } else { ret 10; } }

This helps clear up some ambiguities in our grammar.
 2011-09-13 15:50:03 +02:00
Marijn Haverbeke
e945164879 Always warn when implicitly copying a generic type 2011-09-13 13:40:38 +02:00
Marijn Haverbeke
38e86d708b Properly alias-check bindings in for-each loops 2011-09-13 13:34:08 +02:00
Marijn Haverbeke
45bdff01b2 Clean up copy bookkeeping in alias.rs 2011-09-13 13:23:32 +02:00
Marijn Haverbeke
2f402343c9 Make for loop alias-safe 2011-09-13 13:05:59 +02:00
Marijn Haverbeke
3e92f90952 Apply implicit copying for unsafe references to alt patterns 2011-09-13 12:23:36 +02:00
Graydon Hoare
7f94957721 Kill trailing whitespace. 2011-09-12 16:33:43 -07:00
Graydon Hoare
a4815b6742 Factor imports mindlessly. 2011-09-12 16:13:28 -07:00
Graydon Hoare
71297a5e17 Remove redundant line. 2011-09-12 14:17:32 -07:00
Brian Anderson
393deeb06f Merge branch 'unwind' 
Conflicts:
	src/comp/middle/trans.rs
	src/comp/middle/trans_build.rs
	src/lib/run_program.rs
	src/test/compiletest/runtest.rs
 2011-09-12 09:36:51 -07:00
Marijn Haverbeke
edde2e0c45 Undo some pretty-printer damage in ty.rs 2011-09-12 14:43:41 +02:00
Marijn Haverbeke
982a1a4783 Rename alias to reference in docs and error messages 
Update docs to reflect new approach to aliases
 2011-09-12 14:24:46 +02:00
Marijn Haverbeke
bcf60c6600 Warn when inserting an implicit copy that may be expensive 2011-09-12 13:54:02 +02:00
Marijn Haverbeke
8dd46d4384 Properly implement copy expressions 
(And use them in some places that were doing {expr} before.)
 2011-09-12 13:13:20 +02:00
Marijn Haverbeke
f4b6264f8c Remove backwards-compatibility with old arg-mode syntax 2011-09-12 12:49:00 +02:00
Marijn Haverbeke
ca1df2b111 Pretty-print for new arg-mode syntax 2011-09-12 12:49:00 +02:00
Marijn Haverbeke
5bc424e4ea Register second snapshot for argument-mode transition 2011-09-12 12:49:00 +02:00
Marijn Haverbeke
bfa021de0d Switch pretty-printer to new arg-mode syntax 2011-09-12 12:48:59 +02:00
Marijn Haverbeke
3667137a41 Accept {|| ... } for argument-less block syntax 
Closes #880
 2011-09-12 12:04:41 +02:00