parse.y: STR_TERM_END

* parse.y (parser_parse_string): store the end of string literal
  mark in nd_term instead of nd_func.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56016 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y

@@ -5577,6 +5577,7 @@ rb_parser_compile_file_path(VALUE vparser, VALUE fname, VALUE file, int start)
 #define STR_FUNC_SYMBOL 0x10
 #define STR_FUNC_INDENT 0x20
 #define STR_FUNC_LABEL  0x40
+#define STR_TERM_END    -1
 
 enum string_type {
     str_label  = STR_FUNC_LABEL,
@@ -6349,15 +6350,15 @@ parser_parse_string(struct parser_params *parser, NODE *quote)
     int c, space = 0;
     rb_encoding *enc = current_enc;
 
-    if (func == -1) return tSTRING_END;
+    if (term == STR_TERM_END) return tSTRING_END;
     c = nextc();
     if ((func & STR_FUNC_QWORDS) && ISSPACE(c)) {
 	do {c = nextc();} while (ISSPACE(c));
 	space = 1;
     }
     if (c == term && !quote->nd_nest) {
 	if (func & STR_FUNC_QWORDS) {
-	    quote->nd_func = -1;
+	    quote->u2.id = STR_TERM_END;
 	    return ' ';
 	}
 	return parser_string_term(parser, func);
@@ -6794,7 +6795,7 @@ parser_here_document(struct parser_params *parser, NODE *here)
 			    yylval.val, str);
 #endif
     heredoc_restore(lex_strterm);
-    lex_strterm = NEW_STRTERM(-1, 0, 0);
+    lex_strterm = NEW_STRTERM(func, STR_TERM_END, 0);
     set_yylval_str(str);
     return tSTRING_CONTENT;
 }