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3214 Commits

Author SHA1 Message Date
Brian Anderson
29ad3bdb10 Make fn denote a bare function. Convert fn to fn@ as needed 2011-10-20 18:23:48 -07:00
Brian Anderson
f324704c0a Parse obj methods as proto_bare 
I don't know if this is the right thing to do, but it works
and it lets 'fn' always mean proto_bare
 2011-10-20 18:23:48 -07:00
Brian Anderson
391e12124b Tweak typecheck to enforce covariance on higher-order function arguments 2011-10-20 18:23:48 -07:00
Brian Anderson
342a400e79 Remove type coercion from fn to block 
fn is a proper subtype of block now
 2011-10-20 18:23:48 -07:00
Brian Anderson
8136b92ee8 Give subtype relationships to function types 2011-10-20 18:23:48 -07:00
Brian Anderson
ed985b61d5 Bare functions can coerce to blocks 2011-10-20 18:23:48 -07:00
Brian Anderson
354bfc8292 Bare functions can coerce to shared closures 2011-10-20 18:23:48 -07:00
Brian Anderson
3bb020aaf8 Revert "Remove the environment argument from bare functions" 
This reverts commit 1b0f1f0b79.
 2011-10-20 18:23:48 -07:00
Brian Anderson
070c39ca1d Split parsing of fn proto between types, items and anons 
The meaning of various fn incantations is going to get temporarily confusing
 2011-10-20 18:23:47 -07:00
Brian Anderson
3b54dcfa79 Convert the test runners to typesafe spawn 
Issue #1022
 2011-10-20 18:23:47 -07:00
Brian Anderson
0714bb5f7d Fix the problem with check-fast randomly failing 
Trans has been assuming that tag node id's are unique across crates and they
are not so, depending on which way the wind is blowing, it would choose to use
a crate-local tag variant instead of the correct one from std.

No test case since I can't come up with a reliable one that compiles in a
reasonable amount of time.
 2011-10-20 15:38:51 -07:00
Marijn Haverbeke
ef63f09dcd Don't rely on main.ll anymore 
I'll remove the actual file after I register a snapshot.

Issue #992
 2011-10-20 17:18:38 +02:00
Marijn Haverbeke
cff9c67674 Output linker errors, when linking fails 2011-10-20 15:30:27 +02:00
Marijn Haverbeke
8124846b2c Get rid of taskpointer-passing throughout the compiler 
Only intrinsics still take a dummy taskptr. We'll have to do some
makefile stunts to snapshot a version without taskptrs-in-intrinsics.

Issue #466
 2011-10-20 14:22:17 +02:00
Marijn Haverbeke
457683c7fe Do not pass taskpointers to "rust" native functions 
Issue #466
 2011-10-20 14:22:17 +02:00
Marijn Haverbeke
6323a012bd Remove taskptr argument from upcalls 
Issue #466
 2011-10-20 13:15:21 +02:00
Marijn Haverbeke
e927df17f7 Remove spawn_wrap and main_wrap kludges 
This isn't needed now that our functions are cdecl (and was apparently
only still working by accident).

Issue #992
 2011-10-20 13:15:09 +02:00
Brian Anderson
880b1ec9f5 Fail nicer when the parser doesn't find an expected string literal 
Closes #1028
 2011-10-19 18:04:44 -07:00
Brian Anderson
ac276f7016 Introduce fn@ as a synonym for fn 2011-10-18 11:14:02 -07:00
Brian Anderson
314c011d71 Immutable and mutable? are covariant on their inner types 
Whereas [mutable T] is invariant with respect to T, [T] and [mutable? T]
are covariant with respect to T.
 2011-10-18 10:37:04 -07:00
Marijn Haverbeke
71a4a66135 Add a math module to the standard lib 
I need some rudimentary stdlib stuff for the tutorial.

Closes #1042
 2011-10-18 13:54:35 +02:00
Marijn Haverbeke
d9d0782b5f Don't try to build an LLVM switch on floats 
Closes #1046
 2011-10-18 13:54:35 +02:00
Brian Anderson
0f0fa26c72 Enforce variance rules for mutable types 2011-10-17 20:51:34 -07:00
Brian Anderson
48d351b21e Add a variance transform for calculation of recursive variance 2011-10-17 19:37:34 -07:00
Brian Anderson
d6613384fd Introduce covariance, contravariance and invariance to the type unifier 
This will be used to resolve some problems with mutable? covariance and also
to implement function subtyping
 2011-10-17 19:34:12 -07:00
Brian Anderson
b61578e1cd Don't unify from mutable? to immutable 
Immutable is supposed to be a subtype of mutable-huh.
 2011-10-17 16:36:49 -07:00
Brian Anderson
f7a825c614 Split record_var_binding into methods for expected and actual 
This allows unify to maintain the same subtype relationship between
expected and actual throughout unify, which we are going to need
for mutable? and for function types.
 2011-10-17 16:36:49 -07:00
Brian Anderson
1a64153b24 Correct two more analyses of mutable? as mutable 
I can't come up with test cases but this seems correct.
 2011-10-17 16:35:33 -07:00
Brian Anderson
4d9d889dbf Don't allow assignment to mutable-wha? 2011-10-17 16:35:33 -07:00
Brian Anderson
007422cc04 Change the linkage order on linux and add -ldl 
-lrt and -ldl need to be specified after -lrustrt since they are only used by
rustrt.
 2011-10-17 10:41:22 -07:00
Brian Anderson
b42e551285 Only link librt on linux 2011-10-16 02:36:42 -07:00
Haitao Li
ad5014bf4c Fix link error by explicitly link needed DSOs 
Building Rust(version 280bc56) on Ubuntu 11.10 failed with link error,
like:

compile_and_link: stage0/lib/rustc/i686-unknown-linux-gnu/lib/libstd.so
compile_and_link: stage0/lib/rustc/i686-unknown-linux-gnu/bin/rustc
/local/src/rust/build/stage0/lib/rustc/i686-unknown-linux-gnu/lib/librustrt.so:
undefined reference to `clock_gettime'
collect2: ld returned 1 exit status
error: linking with gcc failed with code 1

GCC toolchain released by Ubuntu 11.10 introduced a few compiler flags
that are different with upstream GCC[1]. Flags "-Wl,--as-needed' and
'-Wl,--no-copy-dt-needed-entries' are passed by default.

Function clock_gettime from librt is used by librustrt, indirectly by
rustc. It is necessary to explicitly pass the "-lrt" flags when building
rustc.

Please note since the toolchain changes will be the default in the next
release(2.22) of binutils, this is not actually a Debian/Ubuntu specific
issue.

1. https://wiki.ubuntu.com/OneiricOcelot/ReleaseNotes#GCC_4.6_Toolchain

Signed-off-by: Haitao Li <lihaitao@gmail.com>
 2011-10-16 17:12:30 +08:00
Marijn Haverbeke
0a01144797 Use trans_expr_save_in instead of trans_expr when appropriate 
This guards against passing a save_in destination to nil or bot-typed things.
 2011-10-14 11:27:16 +02:00
Marijn Haverbeke
06257d66e7 Don't crash when reporting an unresolved import in the nil scope 
Closes #1027
 2011-10-14 11:25:14 +02:00
Brian Anderson
3808a498cd Remove an unnecessary visitor from rustc::middle::fn_usage 2011-10-13 14:55:50 -07:00
Brian Anderson
acf9b83e71 Fix a use of visit in rustc::middle::fn_usage 
This was working by just skipping an AST node instead of doing the advertised
check. I can't find a test case for it, but this is more correct.
 2011-10-13 14:55:47 -07:00
Brian Anderson
bc4c3df1bf Don't allow the value of generic bare functions to be taken 
Issue #1038
 2011-10-13 14:39:30 -07:00
Brian Anderson
89466ffd74 Rename rustc::middle::unsafeck to fn_usage 
I'm going to add further checks unrelated to unsafe.

Issue #1038
 2011-10-13 12:25:57 -07:00
Marijn Haverbeke
6a7800508b Make trans_anon_obj properly thread its bcx 
Closes #893

Unfortunately, anon objs are still so broken as to be useless
(fields don't work).
 2011-10-13 18:04:09 +02:00
Marijn Haverbeke
e4c91fdf65 Properly fill single-variant zero-arg tag values. 
Closes #1034. Closes #1035.
 2011-10-13 15:14:09 +02:00
Niko Matsakis
e8a0e592da reimplement some of the unsafe stuff which got lost 
- blocks inherit unsafety
  - remove the --check-unsafe flag
  - add unsafe annotations where needed to get things to compile
 2011-10-12 16:33:07 -07:00
Niko Matsakis
f994871a3d remove unsafe tags 2011-10-12 16:33:07 -07:00
Niko Matsakis
215b1ab000 make compiler emit more than 1 error in the case of unsafe 2011-10-12 16:33:07 -07:00
Niko Matsakis
3b66806624 prohibit ptr deref unless in unsafe code 2011-10-12 16:33:07 -07:00
Niko Matsakis
a56698575c fix error msg 2011-10-12 16:33:07 -07:00
Niko Matsakis
9f9deff7af make a good error msg if you try to use an unsafe fn for a test 2011-10-12 16:33:07 -07:00
Niko Matsakis
b1a9d71218 improve the span used in test generation 2011-10-12 16:33:07 -07:00
Niko Matsakis
81533ff737 add pass to check that unsafe fns cannot be used as values 2011-10-12 16:33:06 -07:00
Niko Matsakis
85da98db4a continue to annotate functions as unsafe where neccessary 2011-10-12 16:33:06 -07:00
Niko Matsakis
f2cd33df72 continue to annotate trans functions as unsafe where neccessary 2011-10-12 16:33:06 -07:00
Niko Matsakis
2094668949 continue to annotate trans functions as unsafe where neccessary 2011-10-12 16:33:06 -07:00
Niko Matsakis
d4d7eb069b add unsafe tags into various points in the translation chains 
and so forth
 2011-10-12 16:33:06 -07:00
Niko Matsakis
c1cefa52d0 Add unsafe tags to usage of LLVM funcs 2011-10-12 16:33:06 -07:00
Niko Matsakis
212707ce84 make native functions markable as unsafe and incorporate that 
into the type check
 2011-10-12 14:39:34 -07:00
Niko Matsakis
24b201fa48 skip test, remove whitespace 2011-10-12 14:39:34 -07:00
Niko Matsakis
b9a9559c91 correct lines over 78 chars 2011-10-12 14:39:34 -07:00
Niko Matsakis
f3c68e7238 enable unsafe checking but only with a flag --check-unsafe 2011-10-12 14:39:34 -07:00
Niko Matsakis
cbe8da0655 make treatment of unchecked/unsafe blocks more uniform 
also repair various errors in the parser related to such blocks.
rename checked_blk to default_blk to reflect the fact that it
inherits its purity from the surrounding context.
 2011-10-12 14:39:24 -07:00
Niko Matsakis
e9569371f7 add 'u' to one other place it was missing 2011-10-12 14:26:47 -07:00
Niko Matsakis
f304c1bee5 add 'u' to decoder (kinda' important) 2011-10-12 14:26:47 -07:00
Niko Matsakis
046ca827dd Add unsafe blocks, unsafe functions, and two rudimentary tests 
related to them
 2011-10-12 14:26:47 -07:00
Niko Matsakis
29584cc5ac Extend the unchecked block stuff to allow unsafe blocks as well. 2011-10-12 14:26:47 -07:00
Niko Matsakis
58b8e88356 expand purity to include unsafe 2011-10-12 14:26:47 -07:00
Brian Anderson
99f876e3a8 Make build_environment and trans_bind_thunk GEP bound arguments the same 
These functions both use GEP_tup_like to get at the arguments bound to the
environment, but they were starting from a different 'level' of the
environment-box structure. Frighteningly, this was leading to them having
different opinions of how the bound arguments were aligned in some cases.
 2011-10-12 12:11:07 -07:00
Marijn Haverbeke
306f7fb25f Simplify copying of uniques 
We can call take glue, rather than duplicating it inline.
 2011-10-12 11:05:20 +02:00
David Rajchenbach-Teller
8c9dd54ded [Renaming] str_to_float is now float::from_str, float_to_str is now float::to_str 2011-10-12 10:56:05 +02:00
Brian Anderson
55379a97d4 Use the correct function type for external bare functions 
Issue #1022
 2011-10-11 15:12:49 -07:00
Brian Anderson
cfa2346086 Use a non-ambiguous character for encoding bare functions 
I was using 'R' and that was already used for records.

Issue #1022
 2011-10-11 14:38:15 -07:00
Brian Anderson
1b0f1f0b79 Remove the environment argument from bare functions 
Issue #1022
 2011-10-11 10:51:10 -07:00
Brian Anderson
5b0f79b75a Don't allow bind to produce bare functions 
Issue #1022
 2011-10-11 10:51:10 -07:00
Brian Anderson
b277039325 Introduce ast::proto_bare 
Issue #1022
 2011-10-11 10:51:10 -07:00
Brian Anderson
9c46cc58cb Add a temporary syntax for bare functions 
Bare functions will be represented as 'fn#' until they're implemented. Then
we'll switch it over to just 'fn'.

Issue #1022
 2011-10-11 10:51:09 -07:00
David Rajchenbach-Teller
2ec85135e2 [Move] Moved str_to_float, float_to_str from compiler to lib 2011-10-11 16:41:34 +02:00
Marijn Haverbeke
33167f7dec Adjust function signatures to allow for vecs being immediate 
Some code was relying on vectors being implicitly by-reference (as
non-immediate value). This adds the necessary &&-sigils.

Closes #1021
 2011-10-10 16:01:51 +02:00
Marijn Haverbeke
b4bae8fea5 Make vectors and strings immediates again 
There's no good reason to force them to be spilled anymore. Some
pieces of trans become more elegant this way, and less stack allocs
and load/stores are needed.

Issue #1021
 2011-10-10 15:59:16 +02:00
Marijn Haverbeke
5c53959f20 Make bcx_tcx-style accessors return by reference 2011-10-10 12:25:58 +02:00
Marijn Haverbeke
00daeb485c Move type_is_immediate into ty.rs 2011-10-10 12:23:58 +02:00
Marijn Haverbeke
a35dbf3fd5 Don't spill immediates in order to drop them 
Issue #1012
 2011-10-10 12:20:28 +02:00
Marijn Haverbeke
fa1295343f Make free glue take a pointer to the heap part (box) 
This way, it can be used to drop values without first spilling them.

Issue #1012
 2011-10-10 10:25:32 +02:00
Marijn Haverbeke
aff536ec0e Fix bad float-type detection in trans 
Closes #1017
 2011-10-09 10:07:10 +02:00
Marijn Haverbeke
f26e770745 Make 1-1 parse again 
Issue #954

This is not a very elegant fix -- we should probably do something with
constant folding to handle negative-int alt patterns in the future.
 2011-10-07 16:46:44 +02:00
Marijn Haverbeke
c7eee8fb05 Stop registering cleanups for types that don't need them 2011-10-07 14:46:23 +02:00
Marijn Haverbeke
31586339b1 Make it possible to have locals that don't live on the stack 
Local values that are not mutated, don't need to be cleaned up, and
are immediate, don't need to be spilled. (All immediate args, and
non-pointer immediate let locals.)
 2011-10-07 14:43:19 +02:00
Marijn Haverbeke
8db71530f5 Forbid passing dynamically-sized types by value 
Issue #1008
 2011-10-07 10:41:40 +02:00
Marijn Haverbeke
2ff89469d4 Actually pass parameters specified as by-val by value 
Issue #1008
 2011-10-07 10:41:40 +02:00
Marijn Haverbeke
fe916fb9f0 Give up on providing a by-value version of map, convert fold over to 
passing pointers by ref

Issue #1008
 2011-10-07 09:56:12 +02:00
Marijn Haverbeke
f9fbd86f52 Parse and typecheck by-value and by-ref arg specs 
Add sprinkle && throughout the compiler to make it typecheck again.

Issue #1008
 2011-10-07 09:09:50 +02:00
Brian Anderson
ed5a962d6f Hopefully make test_prefix_rpath_abs work on win32 2011-10-06 16:39:34 -07:00
Brian Anderson
831d861d84 Mac uses @executable_path instead of $ORIGIN 2011-10-06 16:26:32 -07:00
Brian Anderson
5cd6dbd5b9 Always use an absolute path for the backup install prefix rpath 2011-10-06 16:12:45 -07:00
Brian Anderson
e4068f6715 Mac doesn't seem to support rpath $ORIGIN 2011-10-06 14:29:03 -07:00
Brian Anderson
06087e67e1 Configure out rpath tests when not testing 2011-10-06 13:29:36 -07:00
Brian Anderson
4b9e572044 Remove an unnecessary linking flag. Add comments about linking 2011-10-06 13:16:16 -07:00
Brian Anderson
062ba22d99 rpathing is based on the target, not host OS 2011-10-06 13:12:11 -07:00
Brian Anderson
d8a85f0758 Make rpath work on mac 2011-10-06 13:09:00 -07:00
Marijn Haverbeke
9c037d2194 Revert "rustc: Add a workaround for a segfault with --time-passes (issue #1005)." 
This reverts commit 100e0264b2.
 2011-10-06 16:12:47 +02:00
Marijn Haverbeke
6a4270523e Ignore && and + before argument names. 
Issue #1008
 2011-10-06 10:16:52 +02:00
Marijn Haverbeke
39b468e17a Fix problem with polymorphic return value being instantiated as nil 
Closes #1005
 2011-10-06 09:40:56 +02:00
Brian Anderson
8215ffc822 rpath all the things! 2011-10-05 16:21:56 -07:00
Brian Anderson
ee8e058004 Add a FIXME about test exports to rustc:🔙:rpath 2011-10-05 16:21:56 -07:00