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parse.y: named whitespaces

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* parse.y: named escaped whitespaces to show unexpected character.
  bare whitespaces should not appear outside of word_list.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2018-03-05 08:32:46 +00:00
parent 71e58ad614
commit d2a03300d3
2 changed files with 28 additions and 0 deletions
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21
test/ruby/test_parse.rb
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@ -1129,6 +1129,27 @@ x = __ENCODING__
end
end
def test_whitespace_warning
assert_raise_with_message(SyntaxError, /backslash/) do
eval("\\foo")
end
assert_raise_with_message(SyntaxError, /escaped space/) do
eval("\\ ")
end
assert_raise_with_message(SyntaxError, /escaped horizontal tab/) do
eval("\\\t")
end
assert_raise_with_message(SyntaxError, /escaped form feed/) do
eval("\\\f")
end
assert_raise_with_message(SyntaxError, /escaped carriage return/) do
assert_warn(/middle of line/) {eval("\\\r")}
end
assert_raise_with_message(SyntaxError, /escaped vertical tab/) do
eval("\\\v")
end
end
=begin
def test_past_scope_variable
assert_warning(/past scope/) {catch {|tag| eval("BEGIN{throw tag}; tap {a = 1}; a")}}