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53 Commits

Author SHA1 Message Date
Huon Wilson
cda33346d0 syntax: allow trace_macros! and log_syntax! in item position. 
Previously

    trace_macros!(true)
    fn main() {}

would complain about `trace_macros` being an expression macro in item
position. This is a pointless limitation, because the macro is purely
compile-time, with no runtime effect. (And similarly for log_syntax.)

This also changes the behaviour of `trace_macros!` very slightly, it
used to be equivalent to

    macro_rules! trace_macros {
        (true $($_x: tt)*) => { true };
        (false $($_x: tt)*) => { false }
    }

I.e. you could invoke it with arbitrary trailing arguments, which were
ignored. It is changed to accept only exactly `true` or `false` (with no
trailing arguments) and expands to `()`.
 2014-03-22 01:27:23 +11:00
Eduard Burtescu
871e570810 De-@ codemap and diagnostic. 2014-03-17 09:53:08 +02:00
Patrick Walton
198cc3d850 libsyntax: Fix errors arising from the automated ~[T] conversion 2014-03-01 22:40:52 -08:00
Douglas Young
0bdfd0f4c7 Avoid returning original macro if expansion fails. 
Closes #11692. Instead of returning the original expression, a dummy expression
(with identical span) is returned. This prevents infinite loops of failed
expansions as well as odd double error messages in certain situations.
 2014-02-18 16:17:51 +00:00
Eduard Burtescu
b2d30b72bf Removed @self and @Trait. 2014-02-07 00:38:33 +02:00
Huon Wilson
4be3262058 syntax::ext: replace span_fatal with span_err in many places. 
This means that compilation continues for longer, and so we can see more
errors per compile. This is mildly more user-friendly because it stops
users having to run rustc n times to see n macro errors: just run it
once to see all of them.
 2014-01-18 02:03:04 +11:00
Eduard Burtescu
6b221768cf libsyntax: Renamed types, traits and enum variants to CamelCase. 2014-01-09 22:25:28 +02:00
Patrick Walton
7e1b535eb1 libsyntax: De-@mut StringReader, TtReader, and reader 2014-01-03 14:01:57 -08:00
Patrick Walton
f499d365ad libsyntax: Make the parser mutable 2014-01-02 14:16:07 -08:00
Steven Fackler
8143662836 Start passing around &mut ExtCtxt 2013-12-29 23:41:09 -08:00
Steven Fackler
0607c138ca Stop using @ExtCtxt 2013-12-28 21:16:03 -07:00
Marvin Löbel
539f37925c Modernized a few type names in rustc and syntax 2013-09-01 14:43:26 +02:00
Niko Matsakis
96254b4090 libsyntax: Update from @Object to @mut Object as required 2013-08-11 13:23:40 -04:00
Patrick Walton
99b33f7219 librustc: Remove all uses of "copy". 2013-07-17 14:57:51 -07:00
Patrick Walton
b4e674f6e6 librustc: Add a lint mode for unnecessary copy and remove a bunch of them. 2013-07-17 14:56:42 -07:00
Alex Crichton
1ec06e0124 Remove the global 'vec::to_owned' function 2013-07-12 16:13:51 -04:00
Corey Richardson
0d471d310d great renaming propagation: syntax 2013-06-25 16:15:07 -04:00
Brian Anderson
7755018074 Revert "std: convert {vec,str}::to_owned to methods." 
This fixes the strange random crashes in compile-fail tests.

This reverts commit 96cd61ad03.

Conflicts:
	src/librustc/driver/driver.rs
	src/libstd/str.rs
	src/libsyntax/ext/quote.rs
 2013-06-13 19:06:47 -07:00
Huon Wilson
efc71a8bdb std: unify the str -> [u8] functions as 3 methods: .as_bytes() and .as_bytes_with_null[_consume](). 
The first acts on &str and is not nul-terminated, the last two act on strings
that are always null terminated (&'static str, ~str and @str).
 2013-06-12 12:21:04 +10:00
Huon Wilson
96cd61ad03 std: convert {vec,str}::to_owned to methods. 2013-06-12 12:21:03 +10:00
John Clements
8dad2bb281 removed unused imports (and one unused argument) 2013-06-05 12:01:39 -07:00
John Clements
19cbd0d284 remove interner from tt_reader 2013-06-05 12:01:39 -07:00
John Clements
1537056982 just use TLS interner 2013-06-05 12:01:37 -07:00
Patrick Walton
206ab89629 librustc: Stop reexporting the standard modules from prelude. 2013-05-29 19:04:53 -07:00
Björn Steinbrink
6c62d77830 Use an enum for keywords and intern them to improve parser performance 
Currently, keywords are stored in hashsets that are recreated for every
Parser instance, which is quite expensive since macro expansion creates
lots of them. Additionally, the parser functions that look for a keyword
currently accept a string and have a runtime check to validate that they
actually received a keyword.

By creating an enum for the keywords and inserting them into the
ident interner, we can avoid the creation of the hashsets and get static
checks for the keywords.

For libstd, this cuts the parse+expansion part from ~2.6s to ~1.6s.
 2013-05-25 17:57:22 +02:00
Patrick Walton
f3723cf7c4 libextra: Rename the actual metadata names of libcore to libstd and libstd to libextra 2013-05-22 21:57:07 -07:00
Huon Wilson
4045da9f4f syntax/ext: modernise ext_ctxt to be CamelCase and use new. 2013-05-22 00:04:10 +10:00
Alex Crichton
82fa0018c8 Remove all unnecessary allocations (as flagged by lint) 2013-05-20 16:10:40 -05:00
Björn Steinbrink
109bb7c78b Allow static strings to be used with keyword checks 2013-05-15 08:01:04 +02:00
Youngsoo Son
b7da975049 renamed vec::from_slice to vec::to_owned 2013-05-10 18:38:54 +09:00
Daniel Micay
f792baba42 only use #[no_core] in libcore 2013-04-27 21:34:24 -04:00
Patrick Walton
b1c699815d librustc: Don't accept as Trait anymore; fix all occurrences of it. 2013-03-13 20:07:09 -07:00
Alex Crichton
cb4ab76e4a Adding missing imports for tests, and gate off others 2013-03-04 12:27:01 -05:00
Patrick Walton
ccec510f39 librustc: Stop parsing fn@, fn~, and fn& 2013-03-02 18:47:48 -08:00
Erick Tryzelaar
ea36a0dee1 libsyntax: add some more explicit copies 2013-02-26 20:48:12 -08:00
Erick Tryzelaar
1deb858b22 libsyntax: is_keyword should take a &~str 2013-02-25 21:23:21 -08:00
Erick Tryzelaar
9ac5262bdf libsyntax: convert visit to pass ty_params by reference 2013-02-25 07:27:01 -08:00
Luqman Aden
b02f5c2090 Get rid of structural records in libsyntax and the last bit in librustc. 2013-02-21 00:19:15 -08:00
Patrick Walton
b070590564 libsyntax: De-export libsyntax. rs=deexporting 2013-01-29 14:42:23 -08:00
John Clements
0b958e74ac renaming to adhere to conventions 2013-01-23 11:46:19 -08:00
Patrick Walton
2db3abddcd librustc: Make unqualified identifier searches terminate at the nearest module scope. r=tjc 2013-01-08 22:02:35 -08:00
Patrick Walton
44ab00ee37 Revert "librustc: Make unqualified identifier searches terminate at the nearest module scope. r=tjc" 
This reverts commit a8d37af247.
 2013-01-08 19:29:16 -08:00
Patrick Walton
a8d37af247 librustc: Make unqualified identifier searches terminate at the nearest module scope. r=tjc 2013-01-08 19:27:57 -08:00
Patrick Walton
57c599914a librustc: Terminate name searches at the nearest module scope for paths that contain at least two components. r=graydon 2012-12-27 10:02:54 -08:00
Graydon Hoare
00c856c0b1 Update license, add license boilerplate to most files. Remainder will follow. 2012-12-03 17:12:14 -08:00
Brian Anderson
3ed9fbd63c impls of traits cannot define methods on the anonymous trait 2012-11-29 22:07:49 -08:00
Paul Stansifer
9ff8d18766 Fix trace_macros so that it works. 2012-11-29 12:09:11 -08:00
Brian Anderson
371be3c6c4 Remove unused file_type enum from the parser 2012-11-18 18:09:41 -08:00
Patrick Walton
91ae5412d8 rustc: Merge module and type namespaces. r=brson 2012-10-15 15:35:36 -07:00
Patrick Walton
8ff18acc82 libsyntax: "import" -> "use" 2012-09-04 11:43:23 -07:00