From: Leon Timmermans <fawaka@gmail.com>
Date: Sun, 19 Jun 2016 18:35:39 +0000 (+0200)
Subject: Look up stashes containing single-quotes correctly
X-Git-Tag: v0.16~6^2
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=12e89eea3db148bcfcb9521f5439b26fce258c58;p=p5sagit%2FSub-Name.git

Look up stashes containing single-quotes correctly
---

diff --git a/Name.xs b/Name.xs
index 58342a9..10a8cd2 100644
--- a/Name.xs
+++ b/Name.xs
@@ -37,11 +37,12 @@ subname(name, sub)
 	CV *cv = NULL;
 	GV *gv;
 	HV *stash = CopSTASH(PL_curcop);
-	const char *s, *end = NULL;
+	const char *s, *end = NULL, *begin = NULL;
 	MAGIC *mg;
 	STRLEN namelen;
 	int utf8flag = SvUTF8(name);
 	const char* nameptr = SvPV(name, namelen);
+	int seen_quote = 0, need_subst = 0;
     PPCODE:
 	if (!SvROK(sub) && SvGMAGICAL(sub))
 		mg_get(sub);
@@ -62,16 +63,43 @@ subname(name, sub)
 		croak("Not a subroutine reference");
 
 	for (s = nameptr; s <= nameptr + namelen; s++) {
-		if (*s == ':' && s[-1] == ':')
-			end = ++s;
-		else if (*s && s[-1] == '\'')
-			end = s;
+		if (*s == ':' && s[-1] == ':') {
+			end = s - 1;
+			begin = ++s;
+			if (seen_quote)
+				seen_quote++;
+		}
+		else if (*s && s[-1] == '\'') {
+			end = s - 1;
+			begin = s;
+			seen_quote++;
+		}
 	}
 	s--;
 	if (end) {
-		stash = GvHV(gv_fetchpvn_flags(nameptr, end - nameptr, GV_ADD | utf8flag, SVt_PVHV));
-		nameptr = end;
-		namelen -= end - nameptr;
+		SV* tmp;
+		if (seen_quote > 1) {
+			STRLEN length = end - nameptr + seen_quote;
+			char* left;
+			int i, j;
+			tmp = newSV(length);
+			left = SvPVX(tmp);
+			for (i = 0, j = 0; j <= end - nameptr; ++i, ++j) {
+				if (nameptr[j] == '\'') {
+					left[i] = ':';
+					left[++i] = ':';
+				}
+				else {
+					left[i] = nameptr[j];
+				}
+			}
+			stash = gv_stashpvn(left, i - 2, GV_ADD | utf8flag);
+			SvREFCNT_dec(tmp);
+		}
+		else
+			stash = gv_stashpvn(nameptr, end - nameptr, GV_ADD | utf8flag);
+		nameptr = begin;
+		namelen -= begin - nameptr;
 	}
 
 	#ifdef PERL_VERSION < 10