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object.c: check const names

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* object.c (rb_mod_const_get, rb_mod_const_defined): check
  constant names more strictly.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-12-14 03:38:22 +00:00
parent 1e4a955435
commit a370556cd2
2 changed files with 24 additions and 10 deletions
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13
object.c
View file

@ -2134,16 +2134,16 @@ rb_mod_const_get(int argc, VALUE *argv, VALUE mod)
}
if (!id) {
if (!ISUPPER(*pbeg) || !rb_enc_symname2_p(pbeg, len, enc)) {
part = rb_str_subseq(name, beglen, len);
part = rb_str_subseq(name, beglen, len);
OBJ_FREEZE(part);
if (!ISUPPER(*pbeg) || !rb_is_const_name(part)) {
rb_name_error_str(part, "wrong constant name %"PRIsVALUE,
QUOTE(part));
}
else if (!rb_method_basic_definition_p(CLASS_OF(mod), id_const_missing)) {
id = rb_intern3(pbeg, len, enc);
id = rb_intern_str(part);
}
else {
part = rb_str_subseq(name, beglen, len);
rb_name_error_str(part, "uninitialized constant %"PRIsVALUE"%"PRIsVALUE,
rb_str_subseq(name, 0, beglen),
QUOTE(part));
@ -2271,8 +2271,9 @@ rb_mod_const_defined(int argc, VALUE *argv, VALUE mod)
}
if (!id) {
if (!ISUPPER(*pbeg) || !rb_enc_symname2_p(pbeg, len, enc)) {
part = rb_str_subseq(name, beglen, len);
part = rb_str_subseq(name, beglen, len);
OBJ_FREEZE(part);
if (!ISUPPER(*pbeg) || !rb_is_const_name(part)) {
rb_name_error_str(part, "wrong constant name %"PRIsVALUE,
QUOTE(part));
}

21
test/ruby/test_module.rb
View file

@ -240,7 +240,7 @@ class TestModule < Test::Unit::TestCase
assert_not_operator(Math, :const_defined?, "IP")
end
def test_bad_constants
def each_bad_constants(m, &b)
[
"#<Class:0x7b8b718b>",
":Object",
@ -248,15 +248,28 @@ class TestModule < Test::Unit::TestCase
":",
["String::", "[Bug #7573]"],
"\u3042",
"Name?",
].each do |name, msg|
expected = "wrong constant name %s" % quote(name)
msg = "#{msg}#{': ' if msg}wrong constant name #{name.dump}"
assert_raise_with_message(NameError, expected, msg) {
Object.const_get name
}
assert_raise_with_message(NameError, expected, "#{msg} to #{m}") do
yield name
end
end
end
def test_bad_constants_get
each_bad_constants("get") {|name|
Object.const_get name
}
end
def test_bad_constants_defined
each_bad_constants("defined?") {|name|
Object.const_defined? name
}
end
def test_leading_colons
assert_equal Object, AClass.const_get('::Object')
end