1 // Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! The Rust parser and macro expander.
15 //! This API is completely unstable and subject to change.
17 #![crate_name = "syntax"]
18 #![unstable(feature = "rustc_private", issue = "27812")]
19 #![crate_type = "dylib"]
20 #![crate_type = "rlib"]
21 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
22 html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
23 html_root_url = "https://doc.rust-lang.org/nightly/",
24 test(attr(deny(warnings))))]
27 #![feature(associated_consts)]
29 #![feature(optin_builtin_traits)]
30 #![feature(rustc_private)]
31 #![feature(staged_api)]
32 #![feature(str_escape)]
34 #![feature(rustc_diagnostic_macros)]
35 #![feature(specialization)]
36 #![feature(i128_type)]
38 extern crate serialize;
39 #[macro_use] extern crate log;
40 #[macro_use] #[no_link] extern crate rustc_bitflags;
41 extern crate std_unicode;
42 pub extern crate rustc_errors as errors;
43 extern crate syntax_pos;
44 extern crate rustc_data_structures;
46 extern crate serialize as rustc_serialize; // used by deriving
48 // A variant of 'try!' that panics on an Err. This is used as a crutch on the
49 // way towards a non-panic!-prone parser. It should be used for fatal parsing
50 // errors; eventually we plan to convert all code using panictry to just use
52 // Exported for syntax_ext, not meant for general use.
54 macro_rules! panictry {
56 use std::result::Result::{Ok, Err};
57 use errors::FatalError;
69 macro_rules! unwrap_or {
70 ($opt:expr, $default:expr) => {
86 // NB: This module needs to be declared first so diagnostics are
87 // registered before they are used.
88 pub mod diagnostic_list;
95 pub mod parser_testing;
100 pub use self::thin_vec::ThinVec;
103 pub use self::rc_slice::RcSlice;
121 pub mod feature_gate;
143 pub mod placeholders;
150 pub mod macro_parser;
159 // __build_diagnostic_array! { libsyntax, DIAGNOSTICS }