ports/devel/bison2/files/patch-reader.c
David E. O'Brien 74894ed54d Update to 1.29
* Added `-g' and `--graph'.
* Added `--locations' and `%locations'.
* Added `-S' and `--skeleton'.
* `%raw', `-r', `--raw' is disabled.
* Special characters are escaped when output.  This solves the problems
* New directives.
  `%yacc', `%fixed_output_files', `%defines', `%no_parser', `%verbose',
  `%debug', `%source_extension' and `%header_extension'.
* The input and the output files has automatically a similar extension.

Submitted by:	demon
2001-09-23 00:21:23 +00:00

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--- src/reader.c.orig Sun Sep 23 02:10:06 2001
+++ src/reader.c Sun Sep 23 02:08:08 2001
@@ -65,6 +65,8 @@
static bucket *errtoken;
static bucket *undeftoken;
+
+extern int broken_undeftoken_init;
/*===================\
@@ -1959,7 +1961,10 @@
It is always token number 2. */
undeftoken = getsym ("$undefined.");
undeftoken->class = token_sym;
- undeftoken->user_token_number = 2;
+ /* XXX ``broken_undeftoken_init'' makes Bison 1.29 bug-compatable
+ with Bison 1.25. FreeBSD depends on this behavior when compiling
+ EGCS-1.1.2's cc1plus. */
+ undeftoken->user_token_number = broken_undeftoken_init ? 0 : 2;
/* Read the declaration section. Copy %{ ... %} groups to
TABLE_OBSTACK and FDEFINES file. Also notice any %token, %left,