diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-19 08:25:50 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-06-19 08:25:50 +0000 |
commit | 768380583a4a2527994fa33e78fdcfbeee20b6a8 (patch) | |
tree | e17a61055e26352f4e1aba0de3d7ef5f57080b40 /string.c | |
parent | 363b0bddde815a459f04e1d167d56bd1f498275c (diff) |
* string.c (rb_str_scan): String#scan should preserve last
successful match data. [ruby-dev:35106]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17426 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 11 |
1 files changed, 7 insertions, 4 deletions
@@ -5689,7 +5689,7 @@ rb_str_scan(VALUE str, VALUE pat) { VALUE result; long start = 0; - VALUE match = Qnil; + long last = -1, prev = 0; char *p = RSTRING_PTR(str); long len = RSTRING_LEN(str); pat = get_pat(pat, 1); @@ -5697,18 +5697,21 @@ rb_str_scan(VALUE str, VALUE pat) VALUE ary = rb_ary_new(); while (!NIL_P(result = scan_once(str, pat, &start))) { - match = rb_backref_get(); + last = prev; + prev = start; rb_ary_push(ary, result); } - rb_backref_set(match); + if (last >= 0) rb_reg_search(pat, str, last, 0); return ary; } while (!NIL_P(result = scan_once(str, pat, &start))) { + last = prev; + prev = start; rb_yield(result); str_mod_check(str, p, len); } - rb_backref_set(match); + if (last >= 0) rb_reg_search(pat, str, last, 0); return str; } |