diff options
Diffstat (limited to 'parse.y')
-rw-r--r-- | parse.y | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -3864,12 +3864,19 @@ 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; |