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-rw-r--r--re.c31
-rw-r--r--test/ruby/test_regexp.rb5
2 files changed, 24 insertions, 12 deletions
diff --git a/re.c b/re.c
index 84c2e060dd..e487e55869 100644
--- a/re.c
+++ b/re.c
@@ -351,7 +351,7 @@ rb_reg_check(VALUE re)
static void
rb_reg_expr_str(VALUE str, const char *s, long len,
- rb_encoding *enc, rb_encoding *resenc)
+ rb_encoding *enc, rb_encoding *resenc, int term)
{
const char *p, *pend;
int cr = ENC_CODERANGE_UNKNOWN;
@@ -372,7 +372,7 @@ rb_reg_expr_str(VALUE str, const char *s, long len,
break;
}
}
- else if (c != '/' && rb_enc_isprint(c, enc)) {
+ else if (c != term && rb_enc_isprint(c, enc)) {
p += clen;
}
else {
@@ -399,11 +399,6 @@ rb_reg_expr_str(VALUE str, const char *s, long len,
p += n;
continue;
}
- else if (c == '/') {
- char c = '\\';
- rb_str_buf_cat(str, &c, 1);
- rb_str_buf_cat(str, p, clen);
- }
else if (c == -1) {
clen = rb_enc_precise_mbclen(p, pend, enc);
if (!MBCLEN_CHARFOUND_P(clen)) {
@@ -420,6 +415,11 @@ rb_reg_expr_str(VALUE str, const char *s, long len,
rb_str_buf_cat(str, p, clen);
}
}
+ else if (c == term) {
+ char c = '\\';
+ rb_str_buf_cat(str, &c, 1);
+ rb_str_buf_cat(str, p, clen);
+ }
else if (rb_enc_isprint(c, enc)) {
rb_str_buf_cat(str, p, clen);
}
@@ -452,7 +452,7 @@ rb_reg_desc(const char *s, long len, VALUE re)
else {
rb_enc_associate(str, rb_usascii_encoding());
}
- rb_reg_expr_str(str, s, len, enc, resenc);
+ rb_reg_expr_str(str, s, len, enc, resenc, '/');
rb_str_buf_cat2(str, "/");
if (re) {
char opts[4];
@@ -513,6 +513,7 @@ rb_reg_inspect(VALUE re)
return rb_reg_desc(RREGEXP_SRC_PTR(re), RREGEXP_SRC_LEN(re), re);
}
+static VALUE rb_reg_str_with_term(VALUE re, int term);
/*
* call-seq:
@@ -537,6 +538,12 @@ rb_reg_inspect(VALUE re)
static VALUE
rb_reg_to_s(VALUE re)
{
+ return rb_reg_str_with_term(re, '/');
+}
+
+static VALUE
+rb_reg_str_with_term(VALUE re, int term)
+{
int options, opt;
const int embeddable = ONIG_OPTION_MULTILINE|ONIG_OPTION_IGNORECASE|ONIG_OPTION_EXTEND;
long len;
@@ -615,7 +622,7 @@ rb_reg_to_s(VALUE re)
rb_str_buf_cat2(str, ":");
if (rb_enc_asciicompat(enc)) {
- rb_reg_expr_str(str, (char*)ptr, len, enc, NULL);
+ rb_reg_expr_str(str, (char*)ptr, len, enc, NULL, term);
rb_str_buf_cat2(str, ")");
}
else {
@@ -635,7 +642,7 @@ rb_reg_to_s(VALUE re)
memcpy(paren, s, n);
rb_str_resize(str, RSTRING_LEN(str) - n);
- rb_reg_expr_str(str, (char*)ptr, len, enc, NULL);
+ rb_reg_expr_str(str, (char*)ptr, len, enc, NULL, term);
rb_str_buf_cat(str, paren, n);
}
rb_enc_copy(str, re);
@@ -664,7 +671,7 @@ rb_enc_reg_error_desc(const char *s, long len, rb_encoding *enc, int options, co
rb_enc_associate(desc, enc);
rb_str_buf_cat2(desc, ": /");
- rb_reg_expr_str(desc, s, len, enc, resenc);
+ rb_reg_expr_str(desc, s, len, enc, resenc, '/');
opts[0] = '/';
option_to_str(opts + 1, options);
rb_str_buf_cat2(desc, opts);
@@ -3651,7 +3658,7 @@ rb_reg_s_union(VALUE self, VALUE args0)
else {
has_asciionly = 1;
}
- v = rb_reg_to_s(v);
+ v = rb_reg_str_with_term(v, -1);
}
else {
rb_encoding *enc;
diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 90892355e5..990c157b52 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -90,6 +90,11 @@ class TestRegexp < Test::Unit::TestCase
rescue ArgumentError
:ok
end
+ re = Regexp.union(/\//, "")
+ re2 = eval(re.inspect)
+ assert_equal(re.to_s, re2.to_s)
+ assert_equal(re.source, re2.source)
+ assert_equal(re, re2)
end
def test_word_boundary