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strscan.c: encoding in messages

* ext/strscan/strscan.c (strscan_aref): preserve argument encoding
  in error messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47044 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-08-03 01:56:31 +00:00
parent 27c4fb3361
commit 4713ace44c
2 changed files with 7 additions and 10 deletions

View file

@ -976,7 +976,7 @@ strscan_matched_size(VALUE self)
}
static int
name_to_backref_number(struct re_registers *regs, VALUE regexp, const char* name, const char* name_end)
name_to_backref_number(struct re_registers *regs, VALUE regexp, const char* name, const char* name_end, rb_encoding *enc)
{
int num;
@ -986,9 +986,8 @@ name_to_backref_number(struct re_registers *regs, VALUE regexp, const char* name
return num;
}
else {
VALUE s = rb_str_new(name, (long )(name_end - name));
rb_raise(rb_eIndexError, "undefined group name reference: %s",
StringValuePtr(s));
rb_enc_raise(enc, rb_eIndexError, "undefined group name reference: %.*s",
rb_long2int(name_end - name), name);
}
UNREACHABLE;
@ -1033,13 +1032,10 @@ strscan_aref(VALUE self, VALUE idx)
switch (TYPE(idx)) {
case T_SYMBOL:
idx = rb_sym2str(idx);
name = RSTRING_PTR(idx);
goto name_to_backref;
break;
/* fall through */
case T_STRING:
name = StringValuePtr(idx);
name_to_backref:
i = name_to_backref_number(&(p->regs), p->regex, name, name + strlen(name));
RSTRING_GETMEM(idx, name, i);
i = name_to_backref_number(&(p->regs), p->regex, name, name + i, rb_enc_get(idx));
break;
default:
i = NUM2LONG(idx);

View file

@ -471,6 +471,7 @@ class TestStringScanner < Test::Unit::TestCase
assert_equal 'foo', s['a']
assert_equal 'bar', s['b']
assert_raise(IndexError) { s['c'] }
assert_raise_with_message(IndexError, /\u{30c6 30b9 30c8}/) { s["\u{30c6 30b9 30c8}"] }
end
def test_pre_match