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185 Commits

Author SHA1 Message Date
Tim Chevalier
bdd0417cec Handle if-check with no else correctly in typestate 
Propagate the if-check constraint into the consequent even when
there's no else branch. (Oops!)
 2011-09-02 19:05:27 -07:00
Brian Anderson
418d09e547 Convert all uses of #ifmt to #fmt. Issue #855 2011-09-01 18:54:03 -07:00
Brian Anderson
ab6bb035e5 Rename std::istr to std::str. Issue #855 2011-09-01 17:27:58 -07:00
Brian Anderson
e824775d53 Remove std::str. Issue #855 2011-09-01 16:09:15 -07:00
Tim Chevalier
3690f38d79 No, not all fn constraints have the same args as the fn does, in the same order... 
derp!

Closes #862
 2011-09-01 15:41:09 -07:00
Brian Anderson
3fe743bc9c Remove various istr conversions. Issue #855 2011-09-01 12:14:34 -07:00
Marijn Haverbeke
6ba4eacddf Make resolve recognize upvars 
Upvars are now marked with def_upvar throughout, not just when going
through freevars::lookup_def. This makes things less error-prone. One
thing to watch out for is that def_upvar is used in `for each` bodies
too, when they refer to a local outside the body.
 2011-09-01 16:32:44 +02:00
Marijn Haverbeke
34ae491ca9 Store arg mode and objfield mutability in their def 2011-09-01 16:32:38 +02:00
Michael Sullivan
7c02517f75 Check all paths return properly in blocks. Closes #874. 2011-08-31 16:15:02 -04:00
Michael Sullivan
722fa00681 Get rid of the hack that ignores () typed things in fn tail position. 
Closes #868. Unfortunately, this causes certain invalid programs to
fail type-checking instead of failing type-state when a type-state
error message would probably be more intuitive. (Although, by any
reasonable interpretation of the static semantics, it technically
ought to be a type error.)
 2011-08-31 16:01:25 -04:00
Brian Anderson
498e38b705 Convert uses of #fmt to #ifmt. Issue #855 2011-08-31 11:44:06 -07:00
Brian Anderson
9857048929 Convert rustc::driver::session to istrs. Issue #855 2011-08-27 16:47:50 -07:00
Brian Anderson
cbad23a747 Convert pretty-printer to istrs. Issue #855 2011-08-27 15:54:46 -07:00
Brian Anderson
d2ae28fc99 Convert rustc::util to istrs. Issue #855 2011-08-27 15:54:45 -07:00
Brian Anderson
7d70685eef Convert the rest of rustc::middle to istrs. Issue #855 2011-08-27 15:54:45 -07:00
Brian Anderson
03119fe269 Convert ast::ident to istr. Issue #855 2011-08-27 15:54:44 -07:00
Brian Anderson
53be480d20 Convert std::int to istrs. Issue #855 2011-08-27 15:53:08 -07:00
Brian Anderson
ee2a11eb4f Convert std::uint to istrs. Issue #855 2011-08-27 15:53:08 -07:00
Tim Chevalier
26e1cacb21 Let typestate constraints mention pattern-bound vars 2011-08-26 00:39:50 -07:00
Brian Anderson
152cbaade7 Move functions from syntax::ast to syntax::ast_util 
This leaves syntax::ast just defining the AST, which strikes me as somewhat
nicer
 2011-08-22 10:44:04 -07:00
Brian Anderson
518dc52f85 Reformat 
This changes the indexing syntax from .() to [], the vector syntax from ~[] to
[] and the extension syntax from #fmt() to #fmt[]
 2011-08-20 11:04:00 -07:00
Tim Chevalier
0ba1037834 Revert "Disable warnings for unused function arguments. Temporary hack." 
This reverts commit 1ec2211a98aac3f4444301f44eba608d2df818c1.
 2011-08-19 01:15:30 -07:00
Tim Chevalier
1ec2211a98 Disable warnings for unused function arguments. Temporary hack. 2011-08-19 01:10:55 -07:00
Tim Chevalier
d81d86440f Handle sequential let semantics properly in typestate 
Closes #824
 2011-08-18 17:21:55 -07:00
Brian Anderson
ec898244f7 Remove seq_kind from ast::expr_vec 2011-08-18 13:09:50 -07:00
Marijn Haverbeke
cd440d338e Remove or _-prefix all unused function arguments 
This should make the compilation process a bit less noisy.
 2011-08-18 10:02:13 +02:00
Marijn Haverbeke
2885c67d47 Don't warn about unused vars whose name starts with _ 
Closes #832
 2011-08-18 10:02:02 +02:00
Tim Chevalier
f023f82090 Track arguments in typestate 
Add the infrastructure for arguments -- as well as local vars --
to be deinitialized with move-mode calls. Address Issue #819
 2011-08-17 17:15:46 -07:00
Erick Tryzelaar
af21a27002 Port the compiler to the expr foo::<T> syntax. 2011-08-16 15:05:56 -07:00
Erick Tryzelaar
4abc471390 Port the compiler to foo<T> decl syntax. 2011-08-16 15:05:56 -07:00
Erick Tryzelaar
e4a0f997fb Port the compiler to the typaram foo<T> syntax. 2011-08-16 15:05:56 -07:00
Eric Holk
862bc521a1 Removing tasks, ports and chans from the compiler. 2011-08-16 10:59:49 -07:00
Brian Anderson
f05a91a0dc Rename std::ivec to std::vec 2011-08-16 10:36:19 -07:00
Lindsey Kuper
f91351aaf6 The wonky for...in... whitespace was bothering me. Sorry! 2011-08-15 22:19:50 -07:00
Patrick Walton
e3d5b8a8d5 rustc: Add a few type-related methods to unique pointers; add typestate support 2011-08-15 18:12:31 -07:00
Graydon Hoare
814bf41d89 Add operator 'copy', translates as fall-through. 2011-08-15 15:44:41 -07:00
Paul Stansifer
d2f9b15052 Rename a field (so that macros can mention it). 2011-08-15 15:35:27 -07:00
Patrick Walton
af61daf294 rustc: Parse and typecheck unique pointers 2011-08-15 14:38:48 -07:00
Marijn Haverbeke
a21ebb2f5e Fix bad argument type of pprust::print_type 
AST types are boxed, there's no need for every caller to do the unboxing
 2011-08-15 13:45:04 +02:00
Marijn Haverbeke
29ea87542f Tuple fields are immutable 2011-08-15 12:08:05 +02:00
Marijn Haverbeke
9538b00363 Tuple types back, not constructable yet 2011-08-15 11:40:38 +02:00
Brian Anderson
61425c8d13 Convert remaning ivec decls to new syntax 
These snuck in during rebasing
 2011-08-09 15:53:26 -07:00
Erick Tryzelaar
8b15045224 Port the compiler to the ivec type [T] syntax. 2011-08-09 15:53:26 -07:00
Graydon Hoare
b2cac5afa3 Implement typestate checking for move-mode args. Un-XFAIL compile-fail/move-arg.rs. 2011-08-08 19:41:54 -07:00
Tim Chevalier
1c786bcc82 Initialize all constraints to False 
Previously, typestate was initializing the init constraint for
a declared-but-not-initialized variable (like x in "let x;") to False,
but other constraints to Don't-know. This led to over-lenient results
when a variable was used before declaration (see the included test
case). Now, everything gets initialized to False in the prestate/poststate-
finding phase, and Don't-know should only be used in pre/postconditions.

This aspect of the algorithm really needs formalization (just on paper),
but for now, this closes #700
 2011-08-05 15:25:52 -07:00
Patrick Walton
59e9b629c0 Revert "rustc: Introduce the concept of inline to the AST" 
This reverts commit 9b9170f9fe2e4701255a5bd0630c203409d8e934.
 2011-08-05 11:38:06 -07:00
Patrick Walton
9b9170f9fe rustc: Introduce the concept of inline to the AST 2011-08-05 11:33:48 -07:00
Marijn Haverbeke
d08c0f0ec1 Make ast::pat_bindings an iterator 
And use it to get rid of some repetetive code
 2011-08-03 10:26:41 +02:00
Tim Chevalier
5cf5f5024d Handle bang functions correctly in typestate 
The logic for how the "returns" constraint was handled was always
dodgy, for reasons explained in the comments I added to
auxiliary::fn_info in this commit. Fixed it by adding distinct
"returns" and "diverges" constraints for each function, which
are both handled positively (that is: for a ! function, the
"diverges" constraint must be true on every exit path; for
any other function, the "returns" constraint must be true
on every exit path).

Closes #779
 2011-08-01 20:58:16 -07:00
Marijn Haverbeke
985c32ef4c Partially implement destructuring locals 
You can now say

    let {bcx, val} = some_result_returner();

Similar for loop variables. Assigning to such variables is not safe
yet. Function arguments also remain a TODO.
 2011-08-01 17:51:37 +02:00