diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/irb/ruby-lex.rb | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/lib/irb/ruby-lex.rb b/lib/irb/ruby-lex.rb index 4b7ad6a0bf..8068d1c8bb 100644 --- a/lib/irb/ruby-lex.rb +++ b/lib/irb/ruby-lex.rb @@ -936,23 +936,30 @@ class RubyLex @lex_state = EXPR_END if peek(0) == "0" && peek(1) !~ /[.eE]/ - len0 = true - non_digit = false getc - if /[xX]/ =~ peek(0) + case peek(0) + when /[xX]/ ch = getc match = /[0-9a-fA-F_]/ - elsif /[bB]/ =~ peek(0) + when /[bB]/ ch = getc match = /[01_]/ - elsif /[oO]/ =~ peek(0) + when /[oO]/ ch = getc match = /[0-7_]/ - else + when /[dD]/ + ch = getc + match = /[0-9_]/ + when /[0-7]/ match = /[0-7_]/ - len0 = false + when /[89]/ + RubyLex.fail SyntaxError, "Illegal octal digit" + else + return Token(TkINTEGER) end - + + len0 = true + non_digit = false while ch = getc if match =~ ch if ch == "_" |