Commit Graph

2918 Commits

Author SHA1 Message Date
Brian Anderson
de1b394c32 Move linker invocation from driver::rustc to back::link 2011-09-20 11:10:03 -07:00
Brian Anderson
870117f44e Zero locals that are inited via alt expressions. Closes #945 2011-09-20 10:28:16 -07:00
Marijn Haverbeke
e33f116598 Remove some obsolete 'copy' operators from trans 2011-09-20 17:35:40 +02:00
Marijn Haverbeke
1eaddb772e Properly handle 'put;' in trans
Closes #947
2011-09-20 17:34:32 +02:00
Marijn Haverbeke
8c85745452 Remove some bogus white-space from llvm.rs 2011-09-20 17:14:50 +02:00
Brian Anderson
7c6630a367 Build tuples in two phases to avoid cleaning up partial tuples 2011-09-19 17:59:53 -07:00
Brian Anderson
9626e2f71f Register tuple cleanups after the tuple is built
Issue #936
2011-09-19 17:59:47 -07:00
Brian Anderson
b1bf9ef5ae Break fold's circular reference during unwinding
This converts the AST fold into a resource that breaks it's own circular
reference (just a temporary workaround until GC), so that failure during fold
will unwind correctly.

Issue #936
2011-09-19 15:32:56 -07:00
Brian Anderson
dd1cf63515 Build records in two phases to avoid cleanups on partial records 2011-09-19 14:28:04 -07:00
Brian Anderson
432e931a2a Don't register record cleanups until the record is built 2011-09-19 14:28:04 -07:00
Marijn Haverbeke
eafb6789a2 Stop creating function pairs for static functions
These are now called directly. When taking their value, a null pointer is added
to create a pair.
2011-09-18 22:05:58 +02:00
Tim Chevalier
8640e67e3f Add a precondition to GEP_tup_like 2011-09-17 10:18:30 -07:00
Tim Chevalier
2b98eccfee Add a type_is_tup_like predicate that takes a block ctxt, and make some fns pure 2011-09-17 10:18:11 -07:00
Tim Chevalier
8613f28a16 In trans, replace another impossible case with a precondition 2011-09-17 09:13:05 -07:00
Brian Anderson
1002623201 Make move-mode arguments unwind correctly. Closes #939 2011-09-16 14:38:04 -07:00
Tim Chevalier
99236d64d0 Dead code elim 2011-09-16 13:32:44 -07:00
Tim Chevalier
fa74df033d Add a constraint on trans::type_of_fn_from_ty
And change callers appropriately.
2011-09-16 13:07:08 -07:00
Tim Chevalier
0d4b51d10d Add a returns_non_ty_var predicate
which just calls non_ty_var on the return type of t, assuming t is
a function type.
2011-09-16 13:06:31 -07:00
Tim Chevalier
1b2c5c4c9b Make ty_fn_ret pure and get rid of a duplicate function 2011-09-16 13:06:31 -07:00
Marijn Haverbeke
43b219dbec Work around an apparent compiler bug to make my patch run
Without this, it would fail when optimization is turned on. The result of
the Load(bcx, llclosure) call would end up in llenv in a corrupted form.
2011-09-16 21:31:36 +02:00
Marijn Haverbeke
575aae407b Saner approach to lvalues and callable values in trans
LValues no longer carry information about generics and objs, instead
there's an extended form of lvalue, lval_maybe_callee, only used by
call and bind, which holds this info.

This makes it possible to take the value of a method and get a working
closure, and will (with some more work) allow us to call statically
known functions without loading from their pair.

Closes #435
Closes #758
2011-09-16 21:31:36 +02:00
Tim Chevalier
172df2e3a2 Add non_ty_var precondition for type_of_fn, plus minor cleanup 2011-09-16 10:58:02 -07:00
Marijn Haverbeke
ad470d741e Revert "Saner approach to lvalues and callable values in trans"
This reverts commit 66153436c9.
2011-09-16 18:37:46 +02:00
Marijn Haverbeke
133d36f452 Require body of else-less if expressions to be a value-less block
For consistency with other constructs that could not possibly return a
value (say, loops).
2011-09-16 18:21:06 +02:00
Marijn Haverbeke
66153436c9 Saner approach to lvalues and callable values in trans
LValues no longer carry information about generics and objs, instead
there's an extended form of lvalue, lval_maybe_callee, only used by
call and bind, which holds this info.

This makes it possible to take the value of a method and get a working
closure, and will (with some more work) allow us to call statically
known functions without loading from their pair.

Closes #435
Closes #758
2011-09-16 18:21:05 +02:00
Marijn Haverbeke
639d88a693 Move expr_uniq case in trans to a saner place
Note that unique pointers are still broken in more ways than I can count.
2011-09-16 15:03:03 +02:00
Marijn Haverbeke
f8a35234ad Remove autoderef for calls
We were only using it in a single place, and there for no discernable reason
(probably as part of the bare-fn-vals-are-not-copyable plan). It seems more
surprising than useful.
2011-09-16 14:39:30 +02:00
Marijn Haverbeke
c04490d97b Remove unused method_ty field from lval_result 2011-09-16 14:18:49 +02:00
Marijn Haverbeke
fb42d839a0 Clean up (and optimize) root-mutability analysis in alias.rs 2011-09-16 13:46:03 +02:00
Marijn Haverbeke
d7587c1eda Change convention for specifying referenced argument
It is now 1-based, rather than 0 based. (Seems more natural, and allows 0 to
be used to refer to self and maybe to closure.)

Also allows non-referenced args to be implicitly copied again.

Issue #918
2011-09-16 12:42:18 +02:00
Tim Chevalier
059b31f7a3 Actually call unreachable() in impossible case in type_of_inner 2011-09-15 23:22:12 -07:00
Tim Chevalier
57ede5f281 Added non_ty_var precondition to trans::type_of_inner
This allows us to legitimately call unreachable() in the ty_var case.
2011-09-15 23:22:12 -07:00
Jesse Ruderman
ce1877dc8e Add parens, as needed, around else-if conditions. 2011-09-15 21:24:24 -07:00
Tim Chevalier
2c6eba00dd Added an extra check in trans_alt
Gratuitous right now, but I'm going to change the type of trans::type_of
2011-09-15 20:32:01 -07:00
Tim Chevalier
f41f75fe53 Added more predicates in trans
Added the non_ty_var predicate (soon to be used)
Added a check in get_res_dtor (will be necessary for a future change
to type_of_fn)
Removed a gratuitous ret
2011-09-15 20:23:06 -07:00
Tim Chevalier
059952da5b Change a few span_fatals to span_err 2011-09-15 19:51:27 -07:00
Graydon Hoare
1e3e7d4bc5 Update README slightly. 2011-09-15 16:31:33 -07:00
Marijn Haverbeke
7364a8c2b0 Prevent binary expressions from parsing when lhs is non-value block 2011-09-15 17:37:10 +02:00
Marijn Haverbeke
b843cf2117 Generalize expression roots in alias analysis
This allows calls-returning-a-reference to count as expression roots,
making it possible to return the result of such a call by reference.

Issue #918
2011-09-15 17:01:35 +02:00
Marijn Haverbeke
3abe3671bd Require the parameter that will be referenced to be noted
Issue #918
2011-09-15 16:15:17 +02:00
Marijn Haverbeke
75eee8b194 Overhaul alias-checking of blocks
The set of active bindings has to be updated as by-reference locals are
encountered.

Issue #918
2011-09-15 15:43:15 +02:00
Marijn Haverbeke
87fa38910e Make storing returned references in a by-reference local work
fn f(a: {x: str}) -> &str {
        ret a.x;
    }

    fn main() {
        let x = {x: "hi"};
        let &y = f(x); // Look ma, no copy!
        log_err y;
    }

Issue #918.
2011-09-15 15:17:14 +02:00
Marijn Haverbeke
25787bd2b8 Forbid assignment to by-reference bindings
Issue #918
2011-09-15 14:08:54 +02:00
Marijn Haverbeke
d7a1d6a1cb Make trans understand by-ref bindings
Issue #918
2011-09-15 14:00:58 +02:00
Marijn Haverbeke
8aad16112b Implement basic checking of by-reference bindings
Issue #918
2011-09-15 13:40:28 +02:00
Marijn Haverbeke
44c6370e6a Move local numbering into ast_map.rs
This further simplifies the alias pass, which is sorely needed.
2011-09-15 13:18:32 +02:00
Marijn Haverbeke
1cda74deee Add representation for by-ref let bindings
Issue #918
2011-09-15 11:42:56 +02:00
Marijn Haverbeke
197f360e30 Ensure parens are wrapped around composite exprs in call/index/field pos
This is needed to fix the second example in issue #919
2011-09-15 11:15:14 +02:00
Marijn Haverbeke
8c83ea564b More thorough check for (.. 10).x in pretty-printer
Closes #919
2011-09-15 10:59:06 +02:00
Marijn Haverbeke
63ecc84562 Also handle fail and put in print_maybe_parens_discrim
Closes #920
2011-09-15 10:14:52 +02:00