Commit Graph

153 Commits

Author SHA1 Message Date
Tim Chevalier
c3bc8fada8 Allow omission of the '.' after nullary tag patterns
This commit allows patterns like:

alt x { some(_) { ... } none { } }

without the '.' after none. The parser suspends judgment about
whether a bare ident is a tag or a new bound variable; instead,
the resolver disambiguates.

This means that any code after resolution that pattern-matches on
patterns needs to call pat_util::normalize_pat, which consults
an environment to do this disambiguation.

In addition, local variables are no longer allowed to shadow
tag names, so this required changing some code (e.g. renaming
variables named "mut", and renaming ast::sub to subtract).

The parser currently accepts patterns with and without the '.'.
Once the compiler and libraries are changed, it will no longer
accept the '.'.
2012-01-17 10:08:16 -08:00
Marijn Haverbeke
24102d50ad Obj system? What obj system?
Removes the obj system from the compiler.

Closes #1484
2012-01-13 11:51:29 +01:00
Marijn Haverbeke
efb9df1ebd Make driver::session::session no longer an object
Rather, it is now a struct where properties like opts are accessed
directly, and the error-reporting methods are part of a static impl
(with the same name as the type).
2012-01-12 18:04:02 +01:00
Marijn Haverbeke
15744210e7 Implement std::map as an iface/impl instead of an obj 2012-01-11 20:33:44 +01:00
Graydon Hoare
8387896dda Remove proto_sugar and 'lambda' as keyword, commit to fn@. 2012-01-09 16:12:48 -08:00
Niko Matsakis
f832edc369 require a non-semi expr acting as a stmt to have unit return type 2012-01-05 10:44:38 -08:00
Niko Matsakis
aa5382bb13 split proto from fn_decl, as not all fn_decls know the proto.
this will address the (crashing) new test added.
2011-12-29 20:29:28 -08:00
Marijn Haverbeke
46cddffb8f Go back to a single visit_fn function in visit.rs 2011-12-23 18:45:02 +01:00
Marijn Haverbeke
057617c665 Parse iface items and interface references in impl items.
The (temporary) syntax is

    iface seq<T> {
        fn len() -> uint;
        fn iter(f: block(T));
    }

    // The 'blah<T>' can be left of to default the name of the
    // impl to seq<T>. The 'of seq<T>' can be left off when
    // not implementing a named interface.
    impl blah<T> of seq<T> for [T] {
        fn len() -> uint { vec::len(self) }
        fn iter(f: block(T)) { for x in self { f(x); } }
    }
2011-12-23 18:09:25 +01:00
Graydon Hoare
f0dfbe7b1b Register new snapshots, purge log_err and log_full in favour of log(...). 2011-12-22 17:53:53 -08:00
Graydon Hoare
dcd771cd48 Merge branch 'master' of github.com:graydon/rust 2011-12-22 14:50:52 -08:00
Graydon Hoare
8b580954fe Register snapshots and switch logging over to use of log_full or #error / #debug. 2011-12-22 14:42:52 -08:00
Marijn Haverbeke
0490c36143 Unify some data structures in syntax::ast that were doing the same thing
As a preparation to removing some duplication in typeck.
2011-12-22 20:18:56 +01:00
Graydon Hoare
8d9e7deab5 Switch log_expr to carrying a full expr:u32 for level. Add log_full variant that parses that expr, prepare for snapshot. 2011-12-21 14:31:31 -08:00
Niko Matsakis
6a90140941 Make { || ... } sugar for any type of closure, inferred 2011-12-21 06:14:35 -08:00
Niko Matsakis
55a2fd18ec implement capture clauses (move, in particular) and integrate
them into type state and so forth
2011-12-19 14:07:46 -08:00
Niko Matsakis
41ae146057 integrate cap clause into type state, but not trans 2011-12-19 14:07:46 -08:00
Niko Matsakis
b0f1a5f051 when collecting free vars, track the span where it is used too 2011-12-19 14:07:46 -08:00
Marijn Haverbeke
60acae4df7 Add type argument field to expr_path
This way, you can explicitly provide type parameters when calling a
generic method.

Issue #1227
2011-12-19 10:43:23 +01:00
Niko Matsakis
2833ca478c reorder args to the various vec, option fns so blk comes last 2011-12-16 07:17:23 -08:00
Marijn Haverbeke
7efef98901 Make uses of self in impls compile
Get rid of expr_self_call, introduces def_self. `self` is now,
syntactically, simply a variable. A method implicitly brings a `self`
binding into scope.

Issue #1227
2011-12-16 11:46:57 +01:00
Marijn Haverbeke
888bc80025 Parse and resolve implementations.
Issue #1227
2011-12-16 11:46:57 +01:00
Niko Matsakis
aa1cd61c84 push changes through to get things compiling, if not running. 2011-12-14 14:32:18 -08:00
Niko Matsakis
c28ada0368 first attempt, not happy with it 2011-12-14 14:32:18 -08:00
Graydon Hoare
fa9ad984fb Copy first batch of material from libstd to libcore. 2011-12-13 16:34:50 -08:00
Marijn Haverbeke
9a269a3aa8 Allow binding of nested patterns
See src/test/run-pass/nested-patterns.rs for some examples. The syntax is

    boundvar@subpattern

Which will match the subpattern as usual, but also bind boundvar to the
whole matched value.

Closes #838
2011-12-08 12:03:48 +01:00
Marijn Haverbeke
d28e0c0c0a Make typestate properly descend pattern guards
Closes #1265
2011-12-07 14:09:45 +01:00
Marijn Haverbeke
b40c6773c2 Box ast::path values
It seems inefficient to copy them around. Let's measure whether that's actually
> the case
2011-11-30 13:38:38 +01:00
Niko Matsakis
adc79e2f44 remove compile-command from local variable blocks 2011-11-17 11:46:13 -08:00
Haitao Li
5a7249c935 Cleanup unused imports 2011-11-10 19:19:40 -08:00
Marijn Haverbeke
7114702496 Change the way block calls are parsed, mark them as block-calls.
This makes it possible to omit the semicolon after the block, and will
cause the pretty-printer to properly print such calls (if
pretty-printing of blocks wasn't so broken). Block calls (with the
block outside of the parentheses) can now only occur at statement
level, and their value can not be used. When calling a block-style
function that returns a useful value, the block must be put insde the
parentheses.

Issue #1054
2011-10-21 14:24:14 +02:00
Marijn Haverbeke
0ce40f60e7 Drop support for iter, put, and for-each
Closes #1056
2011-10-21 13:47:24 +02:00
Marijn Haverbeke
fd5a08384d Move ast_util::pat_bindings over to new iter system.
Issue #1056
2011-10-21 12:41:42 +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
f809e22697 Represent unique creation as a unop in the AST instead of its own expr
Like the box unop.

Issue #409
2011-09-20 18:06:47 -07:00
Marijn Haverbeke
25787bd2b8 Forbid assignment to by-reference bindings
Issue #918
2011-09-15 14:08:54 +02:00
Marijn Haverbeke
1cda74deee Add representation for by-ref let bindings
Issue #918
2011-09-15 11:42:56 +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
Graydon Hoare
a4815b6742 Factor imports mindlessly. 2011-09-12 16:13:28 -07:00
Marijn Haverbeke
ca1df2b111 Pretty-print for new arg-mode syntax 2011-09-12 12:49:00 +02:00
Marijn Haverbeke
fc6b7c8b38 Reformat for new mode syntax, step 1
Long lines were fixed in a very crude way, as I'll be following up
with another reformat in a bit.
2011-09-12 12:04:14 +02:00
Marijn Haverbeke
0e6e56ca60 Make the names of the arg mode tag reflect their (revised) meaning 2011-09-12 11:07:17 +02:00
Brian Anderson
5c49e4f4e9 Reformat. Issue #855 2011-09-02 22:11:42 -07:00
Brian Anderson
ab6bb035e5 Rename std::istr to std::str. Issue #855 2011-09-01 17:27:58 -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
Brian Anderson
9857048929 Convert rustc::driver::session to istrs. Issue #855 2011-08-27 16:47:50 -07:00
Brian Anderson
d2ae28fc99 Convert rustc::util 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