parse.y: separate numeric literal

* parse.y (parser_yylex): separate numeric literal from succeeding
  token, and treat 'e' as floating point number only if followed by
  exponent part.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42197 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb
index 34bd1e0191..9daa0e4d49 100644
--- a/test/ruby/test_syntax.rb
+++ b/test/ruby/test_syntax.rb
@@ -363,6 +363,13 @@ eom
     assert_constant_reassignment_toplevel("11",    "+",  %w[53], already)
   end
 
+  def test_integer_suffix
+    ["1if true", "begin 1end"].each do |src|
+      assert_valid_syntax(src)
+      assert_equal(1, eval(src), src)
+    end
+  end
+
   private
 
   def not_label(x) @result = x; @not_label ||= nil end