* parse.y (parser_tokadd_utf8, parser_tokadd_string): allow NUL

  containing symbol literals, as well as String#to_sym.
  [ruby-dev:41447]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28084 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 15 deletions

diff --git a/parse.y b/parse.y
index 2a9e8cd68d..8246115c07 100644
--- a/parse.y
+++ b/parse.y
@@ -5487,11 +5487,6 @@ parser_tokadd_utf8(struct parser_params *parser, rb_encoding **encp,
 		if (string_literal) tokaddmbc(codepoint, *encp);
 	    }
 	    else if (string_literal) {
-		if (codepoint == 0 && symbol_literal) {
-		    yyerror("symbol cannot contain '\\u{0}'");
-		    return 0;
-		}
-
 		tokadd(codepoint);
 	    }
 	} while (string_literal && (peek(' ') || peek('\t')));
@@ -5519,11 +5514,6 @@ parser_tokadd_utf8(struct parser_params *parser, rb_encoding **encp,
 	    if (string_literal) tokaddmbc(codepoint, *encp);
 	}
 	else if (string_literal) {
-	    if (codepoint == 0 && symbol_literal) {
-		yyerror("symbol cannot contain '\\u0000'");
-		return 0;
-	    }
-
 	    tokadd(codepoint);
 	}
     }
@@ -5883,11 +5873,6 @@ parser_tokadd_string(struct parser_params *parser,
 	    pushback(c);
 	    break;
 	}
-	if (!c && (func & STR_FUNC_SYMBOL)) {
-	    func &= ~STR_FUNC_SYMBOL;
-	    compile_error(PARSER_ARG "symbol cannot contain '\\0'");
-	    continue;
-	}
         if (c & 0x80) {
             has_nonascii = 1;
 	    if (enc != *encp) {