mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Also handle fail and put in print_maybe_parens_discrim

Browse Source 
Closes #920
This commit is contained in:
Marijn Haverbeke 2011-09-15 10:12:09 +02:00
parent 3798b6f780
commit 63ecc84562
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/comp/syntax/print/pprust.rs
View File

@ -594,8 +594,11 @@ fn print_possibly_embedded_block(s: ps, blk: ast::blk, embedded: embed_type,
// ret and fail, without arguments cannot appear is the discriminant of if,
// alt, do, & while unambiguously without being parenthesized
fn print_maybe_parens_discrim(s: ps, e: @ast::expr) {
let disambig =
alt e.node { ast::expr_ret(option::none.) { true } _ { false } };
let disambig = alt e.node {
ast::expr_ret(none.) | ast::expr_put(none.) |
ast::expr_fail(none.) { true }
_ { false }
};
if disambig { popen(s) }
print_expr(s, e);
if disambig { pclose(s) }