From 41f864faab6f1cdd8ad7e88c9c89fea200d030d2 Mon Sep 17 00:00:00 2001 From: nobu Date: Fri, 26 Jul 2013 14:05:34 +0000 Subject: 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 --- ChangeLog | 6 ++++++ parse.y | 14 +++++++++----- test/ruby/test_syntax.rb | 7 +++++++ 3 files changed, 22 insertions(+), 5 deletions(-) diff --git a/ChangeLog b/ChangeLog index 6b84b766a4..f735413312 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +Fri Jul 26 23:05:27 2013 Nobuyoshi Nakada + + * parse.y (parser_yylex): separate numeric literal from succeeding + token, and treat 'e' as floating point number only if followed by + exponent part. + Fri Jul 26 22:14:10 2013 Nobuyoshi Nakada * vm_exec.h (CHECK_VM_STACK_OVERFLOW_FOR_INSN): surround with diff --git a/parse.y b/parse.y index fa5609a649..d4e73e0072 100644 --- a/parse.y +++ b/parse.y @@ -7542,14 +7542,18 @@ parser_yylex(struct parser_params *parser) if (seen_e) { goto decode_num; } - tokadd(c); - seen_e++; - is_float++; nondigit = c; c = nextc(); - if (c != '-' && c != '+') continue; + if (c != '-' && c != '+' && !ISDIGIT(c)) { + pushback(c); + nondigit = 0; + goto decode_num; + } + tokadd(nondigit); + seen_e++; + is_float++; tokadd(c); - nondigit = c; + nondigit = (c == '-' || c == '+') ? c : 0; break; case '_': /* `_' in number just ignored */ 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 -- cgit v1.2.3