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46 Commits

Author SHA1 Message Date
David E. O'Brien
484620e2e4 Make "YYPARSE_PARAM" and "YYPARSE_PARAM_TYPE" C++/ANSI-C clean. 1999-10-28 15:18:05 +00:00
David E. O'Brien
c3584b3b4e Allow a user specified parameter to 'yyparse()', in a manner similar to 
that used by bison.  The names are consistent with the bison implementation
but this one also allows the type of the parameter to be specified.

For a desired prototype of:

	int yyparse __P((struct yyresult *));

and compile like this:

	yacc -dv grammar.y
	cc -c -DYYPARSE_PARAM_TYPE="struct yyresult *" \
	      -DYYPARSE_PARAM="parm" y.tab.c

and use like this:

	${
	#include "usrtypes.h"
	#include "usrproto.h"
	}$

	%token NUMBER

	%%

	goal : NUMBER
		{
		parm->value = yylval;
		} ;

If YYPARSE_PARAM_TYPE isn't specified then "void *" is the default type.
If YYPARSE_PARAM is not specified then the generated code behaves exactly
as traditional byacc.

PR:		13562
Submitted by:	W Gerald Hicks <wghicks@bellsouth.net>
 1999-10-27 17:51:37 +00:00
David E. O'Brien
cbfe363a6d Emit YYERRCODE into y.tab.h to help `lex' report scanning errors back to 
Yacc.

PR:		13562
Submitted by:	W Gerald Hicks <wghicks@bellsouth.net>
 1999-10-27 17:46:41 +00:00
Peter Wemm
c3aac50f28 $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
David E. O'Brien
17e6630760 Revert the past 3 commits to what should have been the rev 1.18 -> rev 1.19 
change.  (doesn't anybody read commit logs and look at the diffs?)
 1999-07-30 15:05:32 +00:00
Dag-Erling Smørgrav
aed4de8a07 Hyphens are not legal characters in a C identifier. 
Broken by:	hoek
 1999-07-30 14:52:23 +00:00
Tim Vanderhoek
593bbda376 Even better fix for last commit: rename rcsid[] to _yacc-parser_rcsid[] 
(one always gets these ideas just after the commit).
 1999-07-30 13:04:19 +00:00
Tim Vanderhoek
892d5804bb Don't output rcsid into the output parser. It may have already been 
defined in an input file such as src/bin/sh/arith.y.  #if 0 it out.  I did
not add $Id$ back into the comment header (as removed from last commit).
 1999-07-30 12:53:21 +00:00
David E. O'Brien
55293461db Only output `rcsid' (set to our Id string) into the resulting parser file. 
Don't output `sccsid' (set to an anchient UCB Id string) into the parser file.

Submitted by:	bde
 1999-07-30 06:40:00 +00:00
David E. O'Brien
5da860fa05 Follow the directions in the comments and add our Id string to the output 
file.
 1999-07-29 09:59:06 +00:00
David E. O'Brien
6db03527ff Check that user supplied the required argument; and if not, show usage(). 
Obtained from:	OpenBSD
 1999-07-29 09:47:33 +00:00
David E. O'Brien
e7bd01e5df * Don't assume realloc() can take NULL as first arg. Yacc needs to 
generate portable code...
* Correctly define yyparse() (ie, K&R vs. C++/ANSI-C)

Obtained from:	OpenBSD revs 1.5 & 1.10
 1999-07-29 09:42:14 +00:00
David E. O'Brien
de18e37eba YYRECOVERING(), not YYRECOVERING. 
Obtained from:	OpenBSD rev 1.8 (approved by Robert Corbett)
 1999-07-29 08:47:30 +00:00
David E. O'Brien
030b221f78 Add support for Bison's "%expect <int>" directive. 
I originally coded this myself, and now I realize {Net,Open}BSD had already
coded this.  I have tossed my version to reduce diffs between the projects.

Obtained from:	OpenBSD 2.5
 1999-07-29 08:42:21 +00:00
Tim Vanderhoek
c897806b0b Regenerate to match changes made in the embedded yacc parser. 1999-07-23 23:13:44 +00:00
Tim Vanderhoek
0673595591 Regenerate this file. This fixes a y2k bogon. As an unintentional side-effect, 
it also fixes that fact that this file badly needed to be regenerated due
to changes in yacc.

Not done by: pst (in misc/1380)
Almost done by: danny (in ftp.y)
 1999-07-23 23:10:34 +00:00
Bill Fumerola
9ef5c48bef Clean up some ambiguous nested if/elses. 1999-07-04 17:26:16 +00:00
Peter Wemm
7c71e88713 Clean up the skeleton code a little. There was a #ifdef to avoid 
stdlib.h unless on C++.  However, we already included it above, so there
was no point using the redundant declarations instead.
 1999-04-18 13:37:49 +00:00
Daniel O'Callaghan
9a578eb627 "19%02", tm.year -> "%d", tm.year+1900 1999-01-18 22:42:05 +00:00
Warner Losh
fae4b464e3 Use mkstemp rather than mktemp for yacc's temp files. This change was made 
to OpenBSD a long time ago and to my tree shortly thereafter.  I think theo
made this change, or one similar to it, but I could be wrong.
 1998-06-09 04:20:51 +00:00
John Birrell
5b116430fc Add #include <string.h> to get prototypes. 1998-02-20 04:33:03 +00:00
Philippe Charnier
fca5180712 Use err(3). Rewrote man page in mdoc format. The user visible change is that 
report of s/r and r/r conflicts is now printed in two separate lines beginning
by `yacc: '.
 1997-08-28 06:33:53 +00:00
Steve Price
6e5f0e40e6 Add back the description of the -o option. 
Threatened PR by: Tim Vanderhoek :)
 1997-05-14 02:33:08 +00:00
Steve Price
86bdf9bc0b #include <stdlib.h> in the C++ case and declare getenv and realloc 
in the C case so that we don't have to depend on stdlib.h being
present.

Submitted by:	Bruce Evans <bde@freefall.freebsd.org>
 1997-04-29 03:07:45 +00:00
Steve Price
600e3340ca Keep style consistent. 
Submitted by:	Bruce Evans <bde@freefall.freebsd.org>
 1997-04-29 03:05:38 +00:00
Steve Price
7dce0a1e9f Fix problems using -Wwrite-strings and -Wcast-qual with yacc generated 
parsers.  Closes PR #2792.

Submitted by:	Tim Vanderhoek
 1997-04-28 03:36:13 +00:00
John-Mark Gurney
93e0d62d1c `appears'' -> `appeared'' (closes PR#3393, Submitted-by: Josh Gilliam) 
add missing Id's
other minor clean ups
 1997-04-27 08:45:46 +00:00
Bruce Evans
7677efc6a4 Don't generate invalid C++ code (for implicit conversion from `void *' in 
assignment).
 1997-03-22 01:48:17 +00:00
Peter Wemm
c115df18cd Revert $FreeBSD$ to $Id$ 1997-02-22 19:58:13 +00:00
Steve Price
8f2a742859 Implement the -o commandline switch. This does almost exactly 
what bison does with -o, except it DTRT with respect to naming
the .code file when the -r switch is also used.

Submitted by: bde
 1997-02-16 01:50:25 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$ 
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
 1997-01-14 07:20:47 +00:00
Steve Price
2b5f199de6 Add RCS id's since these files have left the default branch. 1997-01-12 21:29:55 +00:00
Steve Price
2726ae5b7c This doesn't change any functionality, it simple makes yacc(1) 
compile -Wall clean.
 1997-01-12 21:16:25 +00:00
Steve Price
2b6dfbee74 Revert the '-o output_file_name' option changes. 1997-01-12 04:04:52 +00:00
Steve Price
610a365e2d Merge Lite2 mods. 1997-01-06 03:07:20 +00:00
Steve Price
55f61394b6 Implement and document a '-o output_file_name' option to 
allow the generated code to be written to a file other
than the default, y.tab.c.

Inspired by: bde and brian@mediacity.com
 1997-01-06 02:05:28 +00:00
Jeffrey Hsu
b20d9ed2e7 Add YYLEX and YYEMPTY macros to make byacc look more like bison. 
Obtained from:  Cygnus source tree, with permission.
		Original commit by Jim Wilson, wilson@cygnus.com.
 1996-11-04 21:54:52 +00:00
Steve Price
2e66d503c6 Fix for PR# 1427, yacc-generated parser generates warnings 
with -Wall.  Tim's work with some minor additions by me.

Submitted by:	Tim Vanderhoek <hoek@freenet.hamilton.on.ca>
 1996-09-22 02:05:53 +00:00
Peter Wemm
80396a110a Fix -Wall warning in skeleton parser 1996-09-03 10:56:32 +00:00
Joerg Wunsch
ec9b6b00a2 Make the yacc skeleton aware of C++. It was previously broken in the 
YYDEBUG case (getenv() declared wrong).
 1996-09-03 08:00:26 +00:00
Peter Wemm
a8a6cb214c Install yacc with a link as byacc (and the man page). Some gnu autoconf 
scripts that check for features/fixes in bison also check for byacc and
dont find it unless there is a 'byacc' in the path.
 1996-01-08 09:20:16 +00:00
Poul-Henning Kamp
08f9c42211 Make all the tables "const" so that they don't clutter our data-segment. 1996-01-07 22:30:13 +00:00
Bruce Evans
9c0dc173cc Change install' to ${INSTALL}' so that default install flags can be 
specified in the top level Makefiles.
 1995-07-25 00:37:58 +00:00
Rodney W. Grimes
7799f52a32 Remove trailing whitespace. 1995-05-30 06:41:30 +00:00
Jordan K. Hubbard
c28e4c86c0 Fix man extents from .0 to .1 
Submitted by:	jkh
 1994-08-11 01:42:28 +00:00
Rodney W. Grimes
9b50d90275 BSD 4.4 Lite Usr.bin Sources 1994-05-27 12:33:43 +00:00