diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | parse.y | 10 | ||||
-rw-r--r-- | test/ruby/test_syntax.rb | 9 |
3 files changed, 24 insertions, 0 deletions
@@ -1,3 +1,8 @@ +Tue May 27 23:06:46 2014 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * parse.y (parser_number_literal_suffix): refine error message for + extra dot and digits. + Tue May 27 22:44:20 2014 Tanaka Akira <akr@fsij.org> * test/rexml: Avoid fd leaks. @@ -5594,6 +5594,8 @@ parser_str_new(const char *p, long n, rb_encoding *enc, int func, rb_encoding *e #define lex_eol_p() (lex_p >= lex_pend) #define peek(c) peek_n((c), 0) #define peek_n(c,n) (lex_p+(n) < lex_pend && (c) == (unsigned char)lex_p[n]) +#define peekc() peekc_n(0) +#define peekc_n(n) (lex_p+(n) < lex_pend ? (unsigned char)lex_p[n] : -1) static inline int parser_nextc(struct parser_params *parser) @@ -6453,6 +6455,14 @@ parser_number_literal_suffix(struct parser_params *parser, int mask) return 0; } pushback(c); + if (c == '.') { + c = peekc_n(1); + if (ISDIGIT(c)) { + yyerror("unexpected fraction part after numeric literal"); + lex_p += 2; + while (parser_is_identchar()) nextc(); + } + } break; } return result; diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb index 0847c28bfc..0e8a5ee478 100644 --- a/test/ruby/test_syntax.rb +++ b/test/ruby/test_syntax.rb @@ -426,6 +426,15 @@ eom end end + def test_unexpected_fraction + msg = /unexpected fraction/ + assert_syntax_error("0x0.0", msg) + assert_syntax_error("0b0.0", msg) + assert_syntax_error("0d0.0", msg) + assert_syntax_error("0o0.0", msg) + assert_syntax_error("0.0.0", msg) + end + private def not_label(x) @result = x; @not_label ||= nil end |