bjoernager/rust
bjoernager/rust
1
Fork 0
Code Issues Pull requests Activity

Add quasiquote for matchers and attributes

Browse source
This commit is contained in:
Piotr Czarnecki 2015-02-24 19:56:01 +01:00
parent 1576142495
commit 3541abedeb
10 changed files with 269 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/libsyntax/ext/tt/macro_parser.rs
View file

@ -243,12 +243,15 @@ pub fn nameize(p_s: &ParseSess, ms: &[TokenTree], res: &[Rc<NamedMatch>])
ret_val
}
pub enum ParseResult {
Success(HashMap<Ident, Rc<NamedMatch>>),
pub enum ParseResult<T> {
Success(T),
Failure(codemap::Span, String),
Error(codemap::Span, String)
}
pub type NamedParseResult = ParseResult<HashMap<Ident, Rc<NamedMatch>>>;
pub type PositionalParseResult = ParseResult<Vec<Rc<NamedMatch>>>;
pub fn parse_or_else(sess: &ParseSess,
cfg: ast::CrateConfig,
rdr: TtReader,
@ -280,7 +283,7 @@ pub fn parse(sess: &ParseSess,
cfg: ast::CrateConfig,
mut rdr: TtReader,
ms: &[TokenTree])
-> ParseResult {
-> NamedParseResult {
let mut cur_eis = Vec::new();
cur_eis.push(initial_matcher_pos(Rc::new(ms.iter()
.cloned()