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Fix a pretty printer crash on /***.

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The pretty printer was treating block comments with more than two
asterisks after the first slash (e.g. `/***`) as doc comments (which are
attributes), whereas in actual fact they are just regular comments.
This commit is contained in:
Chris Morgan 2014-02-27 12:16:18 +11:00
parent b4d923852e
commit e6b032a9ef
2 changed files with 15 additions and 1 deletions
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2
src/libsyntax/parse/comments.rs
View File

@ -260,7 +260,7 @@ fn read_block_comment(rdr: &StringReader,
let mut curr_line = ~"/*";
// doc-comments are not really comments, they are attributes
if rdr.curr_is('*') || rdr.curr_is('!') {
if (rdr.curr_is('*') && !nextch_is(rdr, '*')) || rdr.curr_is('!') {
while !(rdr.curr_is('*') && nextch_is(rdr, '/')) && !is_eof(rdr) {
curr_line.push_char(rdr.curr.get().unwrap());
bump(rdr);

14
src/test/pretty/block-comment-multiple-asterisks.rs Normal file
View File

@ -0,0 +1,14 @@
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// pp-exact
/***
More than two asterisks means that it isn't a doc comment.
*/