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| author | Paul Stansifer <paul.stansifer@gmail.com> | 2012-11-19 20:31:22 -0500 |
|---|---|---|
| committer | Graydon Hoare <graydon@mozilla.com> | 2012-11-29 12:09:10 -0800 |
| commit | cf26a7d7b952cf94fb4bb185c2eb0cb47e4551ce (patch) | |
| tree | f1c174a7da697aed0292684e2dbe83d296c4b4cd /src/libsyntax/ext/tt | |
| parent | ee076f63f910fe2b132904ad05d0cda178ff1ec6 (diff) | |
| download | rust-cf26a7d7b952cf94fb4bb185c2eb0cb47e4551ce.tar.gz rust-cf26a7d7b952cf94fb4bb185c2eb0cb47e4551ce.zip | |
Make it possible to expand stmt macros.
Diffstat (limited to 'src/libsyntax/ext/tt')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_rules.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs index 012e421718a..1c62c9b2a6d 100644 --- a/src/libsyntax/ext/tt/macro_rules.rs +++ b/src/libsyntax/ext/tt/macro_rules.rs @@ -1,4 +1,4 @@ -use base::{ext_ctxt, mac_result, mr_expr_or_item, mr_def, normal_tt}; +use base::{ext_ctxt, mac_result, mr_any, mr_def, normal_tt}; use codemap::span; use ast::{ident, matcher_, matcher, match_tok, match_nonterminal, match_seq, tt_delim}; @@ -92,8 +92,9 @@ fn add_new_extension(cx: ext_ctxt, sp: span, name: ident, // Let the context choose how to interpret the result. // Weird, but useful for X-macros. - return mr_expr_or_item(|| p.parse_expr(), - || p.parse_item(~[/* no attrs*/])); + return mr_any(|| p.parse_expr(), + || p.parse_item(~[/* no attrs*/]), + || p.parse_stmt(~[/* no attrs*/])); } failure(sp, msg) => if sp.lo >= best_fail_spot.lo { best_fail_spot = sp; |