diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-11-21 13:52:49 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-11-21 13:52:49 +0000 |
commit | 1f26578da0fa056a58030abd231732d19e59492e (patch) | |
tree | 019925dee38cedbf6dcafab39d7c9a6c24065252 /parse.y | |
parent | c49ad1c40dde6da0404bb31e8e07740336d96cdd (diff) |
* parse.y (dsym): prohibit empty symbol literal by interpolation.
fixed: [ruby-talk:166529]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9579 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -2143,12 +2143,19 @@ dsym : tSYMBEG xstring_contents tSTRING_END yyerror("empty symbol literal"); } else { + VALUE lit; + switch (nd_type($$)) { case NODE_DSTR: nd_set_type($$, NODE_DSYM); break; case NODE_STR: - if (strlen(RSTRING($$->nd_lit)->ptr) == RSTRING($$->nd_lit)->len) { + lit = $$->nd_lit; + if (RSTRING(lit)->len == 0) { + yyerror("empty symbol literal"); + break; + } + if (strlen(RSTRING(lit)->ptr) == RSTRING(lit)->len) { $$->nd_lit = ID2SYM(rb_intern(RSTRING($$->nd_lit)->ptr)); nd_set_type($$, NODE_LIT); break; |