Import byacc 20170201.

CHANGES

@@ -1,3 +1,33 @@
+2017-02-01  Thomas E. Dickey  <dickey@invisible-island.net>
+
+	* test/btyacc/expr.oxout.error, test/btyacc/expr.oxout.output, test/btyacc/expr.oxout.tab.c, test/btyacc/expr.oxout.tab.h, test/yacc/expr.oxout.error, test/yacc/expr.oxout.output, test/yacc/expr.oxout.tab.c, test/yacc/expr.oxout.tab.h:
+	RCS_BASE
+
+	* package/debian/copyright: update copyright
+
+	* reader.c, defs.h, main.c:
+	avoid using regex.h since some low-end platforms do not have this
+
+	* test/expr.oxout.y: RCS_BASE
+
+	* configure: regen
+
+	* aclocal.m4: quiet a strict gcc warning in CF_MKSTEMP
+
+2017-02-01  Tom.Shields
+
+	* main.c, reader.c, defs.h:
+	process #line directives, like bison and flex
+
+2017-02-01  Thomas E. Dickey  <dickey@invisible-island.net>
+
+	* VERSION, package/byacc.spec, package/debian/changelog, package/mingw-byacc.spec, package/pkgsrc/Makefile:
+	bump
+
+2016-12-31  Thomas E. Dickey  <dickey@invisible-island.net>
+
+	* config.guess, config.sub: 2017-01-01
+
 2016-12-02  Thomas E. Dickey  <dickey@invisible-island.net>
 
 	* test/btyacc/quote_calc4-s.tab.c, test/btyacc/varsyntax_calc1.tab.c, test/btyacc/error.tab.c, test/btyacc/grammar.tab.c, test/btyacc/inherit0.tab.c, test/btyacc/inherit1.tab.c, test/btyacc/inherit2.tab.c, test/btyacc/ok_syntax1.tab.c, test/btyacc/pure_calc.tab.c, test/btyacc/pure_error.tab.c, test/btyacc/quote_calc-s.tab.c, test/btyacc/quote_calc.tab.c, test/btyacc/quote_calc2-s.tab.c, test/btyacc/quote_calc2.tab.c, test/btyacc/quote_calc3-s.tab.c, test/btyacc/quote_calc3.tab.c, test/btyacc/quote_calc4.tab.c, test/btyacc/calc.tab.c, test/btyacc/calc1.tab.c, test/btyacc/calc2.tab.c, test/btyacc/calc3.tab.c, test/btyacc/code_calc.code.c, test/btyacc/code_error.code.c, test/btyacc/empty.tab.c, test/btyacc/err_inherit3.tab.c, test/btyacc/err_inherit4.tab.c, test/btyacc/err_syntax10.tab.c, test/btyacc/err_syntax11.tab.c, test/btyacc/err_syntax12.tab.c, test/btyacc/err_syntax18.tab.c, test/btyacc/err_syntax20.tab.c, test/btyacc/rename_debug.c, test/btyacc/btyacc_calc1.tab.c, test/btyacc/btyacc_demo.tab.c, test/btyacc/btyacc_destroy1.tab.c, test/btyacc/btyacc_destroy2.tab.c, test/btyacc/btyacc_destroy3.tab.c, btyaccpar.c:

MANIFEST

@@ -1,4 +1,4 @@
-MANIFEST for byacc-20161202, version t20161202
+MANIFEST for byacc-20170201, version t20170201
 --------------------------------------------------------------------------------
 MANIFEST                        this file
 ACKNOWLEDGEMENTS                original version of byacc - 1993
@@ -77,6 +77,22 @@ test/btyacc/btyacc_demo.error   reference output for testing
 test/btyacc/btyacc_demo.output  reference output for testing
 test/btyacc/btyacc_demo.tab.c   reference output for testing
 test/btyacc/btyacc_demo.tab.h   reference output for testing
+test/btyacc/btyacc_demo2.error  reference output for testing
+test/btyacc/btyacc_demo2.output reference output for testing
+test/btyacc/btyacc_demo2.tab.c  reference output for testing
+test/btyacc/btyacc_demo2.tab.h  reference output for testing
+test/btyacc/btyacc_destroy1.error  reference output for testing
+test/btyacc/btyacc_destroy1.output  reference output for testing
+test/btyacc/btyacc_destroy1.tab.c  reference output for testing
+test/btyacc/btyacc_destroy1.tab.h  reference output for testing
+test/btyacc/btyacc_destroy2.error  reference output for testing
+test/btyacc/btyacc_destroy2.output  reference output for testing
+test/btyacc/btyacc_destroy2.tab.c  reference output for testing
+test/btyacc/btyacc_destroy2.tab.h  reference output for testing
+test/btyacc/btyacc_destroy3.error  reference output for testing
+test/btyacc/btyacc_destroy3.output  reference output for testing
+test/btyacc/btyacc_destroy3.tab.c  reference output for testing
+test/btyacc/btyacc_destroy3.tab.h  reference output for testing
 test/btyacc/calc.error          reference output for testing
 test/btyacc/calc.output         reference output for testing
 test/btyacc/calc.tab.c          reference output for testing
@@ -256,6 +272,10 @@ test/btyacc/error.error         reference output for testing
 test/btyacc/error.output        reference output for testing
 test/btyacc/error.tab.c         reference output for testing
 test/btyacc/error.tab.h         reference output for testing
+test/btyacc/expr.oxout.error    reference output for testing
+test/btyacc/expr.oxout.output   reference output for testing
+test/btyacc/expr.oxout.tab.c    reference output for testing
+test/btyacc/expr.oxout.tab.h    reference output for testing
 test/btyacc/grammar.dot         reference output for testing
 test/btyacc/grammar.error       reference output for testing
 test/btyacc/grammar.output      reference output for testing
@@ -359,6 +379,9 @@ test/btyacc/varsyntax_calc1.tab.h  reference output for testing
 test                            subdirectory
 test/btyacc_calc1.y             testcase for btyacc
 test/btyacc_demo.y              testcase for btyacc
+test/btyacc_destroy1.y          btyacc test-case for %parse-param
+test/btyacc_destroy2.y          btyacc test-case for %parse-param
+test/btyacc_destroy3.y          btyacc test-case for %parse-param
 test/calc.y                     example from VMS freeware version of byacc
 test/calc1.y                    advanced example from Steve Johnson's paper.
 test/calc2.y                    test-cases and reference files for %lex-param / %parse-param
@@ -403,6 +426,7 @@ test/err_syntax8.y              testcase for used_reserved()
 test/err_syntax8a.y             testcase for used_reserved()
 test/err_syntax9.y              testcase for tokenized_start()
 test/error.y                    original version of byacc - 1993
+test/expr.oxout.y               test-case for "#line" feature
 test/grammar.y                  grammar from cproto
 test/inherit0.y                 testcase for btyacc
 test/inherit1.y                 testcase for btyacc
@@ -577,6 +601,10 @@ test/yacc/error.error           reference output for testing
 test/yacc/error.output          reference output for testing
 test/yacc/error.tab.c           reference output for testing
 test/yacc/error.tab.h           reference output for testing
+test/yacc/expr.oxout.error      reference output for testing
+test/yacc/expr.oxout.output     reference output for testing
+test/yacc/expr.oxout.tab.c      reference output for testing
+test/yacc/expr.oxout.tab.h      reference output for testing
 test/yacc/grammar.dot           reference output for testing
 test/yacc/grammar.error         reference output for testing
 test/yacc/grammar.output        reference output for testing

VERSION

@@ -1 +1 @@
-20161202
+20170201

aclocal.m4

@@ -1,7 +1,7 @@
-dnl $Id: aclocal.m4,v 1.41 2016/12/02 13:03:06 tom Exp $
+dnl $Id: aclocal.m4,v 1.42 2017/02/01 10:12:21 tom Exp $
 dnl Macros for byacc configure script (Thomas E. Dickey)
 dnl ---------------------------------------------------------------------------
-dnl Copyright 2004-2015,2016 Thomas E. Dickey
+dnl Copyright 2004-2016,2017 Thomas E. Dickey
 dnl 
 dnl Permission is hereby granted, free of charge, to any person obtaining a
 dnl copy of this software and associated documentation files (the
@@ -803,20 +803,26 @@ fi
 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
 ])dnl
 dnl ---------------------------------------------------------------------------
-dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
+dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
 dnl ----------
 dnl Check for a working mkstemp.  This creates two files, checks that they are
 dnl successfully created and distinct (AmigaOS apparently fails on the last).
 AC_DEFUN([CF_MKSTEMP],[
+AC_CHECK_HEADERS( \
+unistd.h \
+)
 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
 rm -rf conftest*
 AC_TRY_RUN([
 #include <sys/types.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/stat.h>
-int main()
+int main(void)
 {
 	char *tmpl = "conftestXXXXXX";
 	char name[2][80];

config.guess

@@ -1,8 +1,8 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright 1992-2016 Free Software Foundation, Inc.
+#   Copyright 1992-2017 Free Software Foundation, Inc.
 
-timestamp='2016-10-02'
+timestamp='2017-01-01'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -50,7 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 
 Originally written by Per Bothner.
-Copyright 1992-2016 Free Software Foundation, Inc.
+Copyright 1992-2017 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."

config.sub

@@ -1,8 +1,8 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright 1992-2016 Free Software Foundation, Inc.
+#   Copyright 1992-2017 Free Software Foundation, Inc.
 
-timestamp='2016-11-19'
+timestamp='2017-01-01'
 
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
@@ -67,7 +67,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
 
-Copyright 1992-2016 Free Software Foundation, Inc.
+Copyright 1992-2017 Free Software Foundation, Inc.
 
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@@ -1409,7 +1409,7 @@ case $os in
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
 	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
-	      | -onefs* | -tirtos* | -phoenix* | -fuchsia*)
+	      | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
@@ -1638,6 +1638,9 @@ case $basic_machine in
 	sparc-* | *-sun)
 		os=-sunos4.1.1
 		;;
+	pru-*)
+		os=-elf
+		;;
 	*-be)
 		os=-beos
 		;;

defs.h

@@ -1,4 +1,4 @@
-/* $Id: defs.h,v 1.54 2016/12/02 19:27:56 tom Exp $ */
+/* $Id: defs.h,v 1.56 2017/02/02 00:44:38 tom Exp $ */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -313,6 +313,7 @@ extern const char *const trailer[];
 
 extern char *code_file_name;
 extern char *input_file_name;
+extern size_t input_file_name_len;
 extern char *defines_file_name;
 extern char *externs_file_name;
 

main.c

@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.57 2016/12/02 18:44:44 tom Exp $ */
+/* $Id: main.c,v 1.59 2017/02/02 00:44:38 tom Exp $ */
 
 #include <signal.h>
 #ifndef _WIN32
@@ -48,13 +48,13 @@ const char *myname = "yacc";
 int lineno;
 int outline;
 
-static char empty_string[] = "";
 static char default_file_prefix[] = "y";
 
 static char *file_prefix = default_file_prefix;
 
 char *code_file_name;
-char *input_file_name = empty_string;
+char *input_file_name;
+size_t input_file_name_len = 0;
 char *defines_file_name;
 char *externs_file_name;
 
@@ -381,7 +381,10 @@ getargs(int argc, char *argv[])
   no_more_options:;
     if (i + 1 != argc)
 	usage();
-    input_file_name = argv[i];
+    input_file_name_len = strlen(argv[i]);
+    input_file_name = TMALLOC(char, input_file_name_len + 1);
+    NO_SPACE(input_file_name);
+    strcpy(input_file_name, argv[i]);
 }
 
 void *

package/byacc.spec

@@ -1,8 +1,8 @@
 Summary: byacc - public domain Berkeley LALR Yacc parser generator
 %define AppProgram byacc
-%define AppVersion 20161202
+%define AppVersion 20170201
 %define UseProgram yacc
-# $XTermId: byacc.spec,v 1.32 2016/12/02 12:58:46 tom Exp $
+# $XTermId: byacc.spec,v 1.33 2017/02/01 09:55:04 tom Exp $
 Name: %{AppProgram}
 Version: %{AppVersion}
 Release: 1

package/debian/changelog

@@ -1,3 +1,9 @@
+byacc (20170201) unstable; urgency=low
+
+  * maintenance updates
+
+ -- Thomas E. Dickey <dickey@invisible-island.net>  Wed, 01 Feb 2017 04:55:04 -0500
+
 byacc (20161202) unstable; urgency=low
 
   * maintenance updates

package/debian/copyright

@@ -36,7 +36,7 @@ skeleton.c with the bug report.  Do not expect rapid responses.
 
 Files: aclocal.m4
 Licence: other-BSD
-Copyright:  2004-2015,2016 by Thomas E. Dickey
+Copyright:  2004-2016,2017 by Thomas E. Dickey
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the
     "Software"), to deal in the Software without restriction, including

package/mingw-byacc.spec

@@ -1,8 +1,8 @@
 Summary: byacc - public domain Berkeley LALR Yacc parser generator
 %define AppProgram byacc
-%define AppVersion 20161202
+%define AppVersion 20170201
 %define UseProgram yacc
-# $XTermId: mingw-byacc.spec,v 1.14 2016/12/02 12:58:46 tom Exp $
+# $XTermId: mingw-byacc.spec,v 1.15 2017/02/01 09:55:04 tom Exp $
 Name: %{AppProgram}
 Version: %{AppVersion}
 Release: 1

package/pkgsrc/Makefile

@@ -1,7 +1,7 @@
 # $NetBSD: Makefile,v 1.9 2008/07/24 17:13:00 tonnerre Exp $
 #
 
-DISTNAME=	byacc-20161202
+DISTNAME=	byacc-20170201
 PKGREVISION=	1
 CATEGORIES=	devel
 MASTER_SITES=	ftp://invisible-island.net/byacc/

reader.c

@@ -1,4 +1,4 @@
-/* $Id: reader.c,v 1.66 2016/12/02 20:14:34 tom Exp $ */
+/* $Id: reader.c,v 1.68 2017/02/02 01:05:36 tom Exp $ */
 
 #include "defs.h"
 
@@ -108,6 +108,134 @@ cachec(int c)
     ++cinc;
 }
 
+typedef enum
+{
+    ldSPC1,
+    ldSPC2,
+    ldNAME,
+    ldSPC3,
+    ldNUM,
+    ldSPC4,
+    ldFILE,
+    ldOK,
+    ldERR
+}
+LINE_DIR;
+
+/*
+ * Expect this pattern:
+ *	/^[[:space:]]*#[[:space:]]*
+ *	  line[[:space:]]+
+ *	  [[:digit:]]+
+ *	  ([[:space:]]*|[[:space:]]+"[^"]+")/
+ */
+static int
+line_directive(void)
+{
+#define UNLESS(what) if (what) { ld = ldERR; break; }
+    int n;
+    int line_1st = -1;
+    int name_1st = -1;
+    int name_end = -1;
+    LINE_DIR ld = ldSPC1;
+    for (n = 0; (ld <= ldOK) && (line[n] != '\0'); ++n)
+    {
+	int ch = UCH(line[n]);
+	switch (ld)
+	{
+	case ldSPC1:
+	    if (isspace(ch))
+	    {
+		break;
+	    }
+	    else
+		UNLESS(ch != '#');
+	    ld = ldSPC2;
+	    break;
+	case ldSPC2:
+	    if (isspace(ch))
+	    {
+		break;
+	    }
+	    /* FALLTHRU */
+	case ldNAME:
+	    UNLESS(strncmp(line + n, "line", 4));
+	    n += 4;
+	    if (line[n] == '\0')
+	    {
+		ld = ldOK;
+		break;
+	    }
+	    else
+		UNLESS(!isspace(UCH(line[n])));
+	    ld = ldSPC3;
+	    break;
+	case ldSPC3:
+	    if (isspace(ch))
+	    {
+		break;
+	    }
+	    else
+		UNLESS(!isdigit(ch));
+	    line_1st = n;
+	    ld = ldNUM;
+	    /* FALLTHRU */
+	case ldNUM:
+	    if (isdigit(ch))
+	    {
+		break;
+	    }
+	    else
+		UNLESS(!isspace(ch));
+	    ld = ldSPC4;
+	    break;
+	case ldSPC4:
+	    if (isspace(ch))
+	    {
+		break;
+	    }
+	    else
+		UNLESS(ch != '"');
+	    UNLESS(line[n + 1] == '"');
+	    ld = ldFILE;
+	    name_1st = n;
+	    break;
+	case ldFILE:
+	    if (ch != '"')
+	    {
+		break;
+	    }
+	    ld = ldOK;
+	    name_end = n;
+	    /* FALLTHRU */
+	case ldERR:
+	case ldOK:
+	    break;
+	}
+    }
+
+    if (ld == ldOK)
+    {
+	size_t need = (size_t) (name_end - name_1st);
+	if (need > input_file_name_len)
+	{
+	    input_file_name_len = need;
+	    input_file_name = TREALLOC(char, input_file_name, need + 1);
+	    NO_SPACE(input_file_name);
+	}
+	memcpy(input_file_name, line + name_1st + 1, need - 1);
+	input_file_name[need - 1] = '\0';
+    }
+
+    if (ld >= ldNUM && ld < ldERR)
+    {
+	lineno = (int)strtol(line + line_1st, NULL, 10) - 1;
+    }
+
+    return (ld == ldOK);
+#undef UNLESS
+}
+
 static void
 get_line(void)
 {
@@ -115,49 +243,53 @@ get_line(void)
     int c;
     int i;
 
-    if (saw_eof || (c = getc(f)) == EOF)
+    do
     {
-	if (line)
+	if (saw_eof || (c = getc(f)) == EOF)
 	{
-	    FREE(line);
-	    line = 0;
+	    if (line)
+	    {
+		FREE(line);
+		line = 0;
+	    }
+	    cptr = 0;
+	    saw_eof = 1;
+	    return;
 	}
-	cptr = 0;
-	saw_eof = 1;
-	return;
-    }
 
-    if (line == NULL || linesize != (LINESIZE + 1))
-    {
-	if (line)
-	    FREE(line);
-	linesize = LINESIZE + 1;
-	line = TMALLOC(char, linesize);
-	NO_SPACE(line);
-    }
-
-    i = 0;
-    ++lineno;
-    for (;;)
-    {
-	line[i++] = (char)c;
-	if (c == '\n')
-	    break;
-	if ((i + 3) >= linesize)
+	if (line == NULL || linesize != (LINESIZE + 1))
 	{
-	    linesize += LINESIZE;
-	    line = TREALLOC(char, line, linesize);
+	    if (line)
+		FREE(line);
+	    linesize = LINESIZE + 1;
+	    line = TMALLOC(char, linesize);
 	    NO_SPACE(line);
 	}
-	c = getc(f);
-	if (c == EOF)
+
+	i = 0;
+	++lineno;
+	for (;;)
 	{
-	    line[i++] = '\n';
-	    saw_eof = 1;
-	    break;
+	    line[i++] = (char)c;
+	    if (c == '\n')
+		break;
+	    if ((i + 3) >= linesize)
+	    {
+		linesize += LINESIZE;
+		line = TREALLOC(char, line, linesize);
+		NO_SPACE(line);
+	    }
+	    c = getc(f);
+	    if (c == EOF)
+	    {
+		line[i++] = '\n';
+		saw_eof = 1;
+		break;
+	    }
 	}
+	line[i] = '\0';
     }
-    line[i] = '\0';
+    while (line_directive());
     cptr = line;
     return;
 }

test/btyacc/expr.oxout.error

@@ -0,0 +1 @@
+YACC: w - line 6 of "expr.Y", the precedence of '*' has been redeclared

test/btyacc/expr.oxout.output

@@ -0,0 +1,227 @@
+   0  $accept : yyyAugNonterm $end
+
+   1  $$1 :
+
+   2  yyyAugNonterm : $$1 s
+
+   3  s : expr
+
+   4  expr : expr '*' expr
+   5       | expr '+' expr
+   6       | expr '/' expr
+   7       | expr '-' expr
+   8       | '(' expr ')'
+   9       | ID
+  10       | CONST
+
+state 0
+	$accept : . yyyAugNonterm $end  (0)
+	$$1 : .  (1)
+
+	.  reduce 1
+
+	yyyAugNonterm  goto 1
+	$$1  goto 2
+
+
+state 1
+	$accept : yyyAugNonterm . $end  (0)
+
+	$end  accept
+
+
+state 2
+	yyyAugNonterm : $$1 . s  (2)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	s  goto 6
+	expr  goto 7
+
+
+state 3
+	expr : ID .  (9)
+
+	.  reduce 9
+
+
+state 4
+	expr : CONST .  (10)
+
+	.  reduce 10
+
+
+state 5
+	expr : '(' . expr ')'  (8)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 8
+
+
+state 6
+	yyyAugNonterm : $$1 s .  (2)
+
+	.  reduce 2
+
+
+state 7
+	s : expr .  (3)
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+
+	'+'  shift 9
+	'-'  shift 10
+	'*'  shift 11
+	'/'  shift 12
+	$end  reduce 3
+
+
+state 8
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+	expr : '(' expr . ')'  (8)
+
+	'+'  shift 9
+	'-'  shift 10
+	'*'  shift 11
+	'/'  shift 12
+	')'  shift 13
+	.  error
+
+
+state 9
+	expr : expr '+' . expr  (5)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 14
+
+
+state 10
+	expr : expr '-' . expr  (7)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 15
+
+
+state 11
+	expr : expr '*' . expr  (4)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 16
+
+
+state 12
+	expr : expr '/' . expr  (6)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 17
+
+
+state 13
+	expr : '(' expr ')' .  (8)
+
+	.  reduce 8
+
+
+state 14
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr '+' expr .  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+
+	'*'  shift 11
+	'/'  shift 12
+	$end  reduce 5
+	'+'  reduce 5
+	'-'  reduce 5
+	')'  reduce 5
+
+
+state 15
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+	expr : expr '-' expr .  (7)
+
+	'*'  shift 11
+	'/'  shift 12
+	$end  reduce 7
+	'+'  reduce 7
+	'-'  reduce 7
+	')'  reduce 7
+
+
+state 16
+	expr : expr . '*' expr  (4)
+	expr : expr '*' expr .  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+
+	.  reduce 4
+
+
+state 17
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr '/' expr .  (6)
+	expr : expr . '-' expr  (7)
+
+	'*'  shift 11
+	$end  reduce 6
+	'+'  reduce 6
+	'-'  reduce 6
+	'/'  reduce 6
+	')'  reduce 6
+
+
+10 terminals, 5 nonterminals
+11 grammar rules, 18 states
+
+grammar parser grammar
+symbol# value# symbol
+     0      0  $end
+     1    256  error
+     2    257  ID
+     3    258  CONST
+     4     43  '+'
+     5     45  '-'
+     6     42  '*'
+     7     47  '/'
+     8     40  '('
+     9     41  ')'
+    10    259  $accept
+    11    260  yyyAugNonterm
+    12    261  s
+    13    262  $$1
+    14    263  expr

test/btyacc/expr.oxout.tab.h

@@ -0,0 +1,20 @@
+#ifndef _expr.oxout__defines_h_
+#define _expr.oxout__defines_h_
+
+#define ID 257
+#define CONST 258
+#ifdef YYSTYPE
+#undef  YYSTYPE_IS_DECLARED
+#define YYSTYPE_IS_DECLARED 1
+#endif
+#ifndef YYSTYPE_IS_DECLARED
+#define YYSTYPE_IS_DECLARED 1
+typedef union {
+struct yyyOxAttrbs {
+struct yyyStackItem *yyyOxStackItem;
+} yyyOxAttrbs;
+} YYSTYPE;
+#endif /* !YYSTYPE_IS_DECLARED */
+extern YYSTYPE expr.oxout_lval;
+
+#endif /* _expr.oxout__defines_h_ */

test/yacc/expr.oxout.error

@@ -0,0 +1 @@
+YACC: w - line 6 of "expr.Y", the precedence of '*' has been redeclared

test/yacc/expr.oxout.output

@@ -0,0 +1,209 @@
+   0  $accept : yyyAugNonterm $end
+
+   1  $$1 :
+
+   2  yyyAugNonterm : $$1 s
+
+   3  s : expr
+
+   4  expr : expr '*' expr
+   5       | expr '+' expr
+   6       | expr '/' expr
+   7       | expr '-' expr
+   8       | '(' expr ')'
+   9       | ID
+  10       | CONST
+
+state 0
+	$accept : . yyyAugNonterm $end  (0)
+	$$1 : .  (1)
+
+	.  reduce 1
+
+	yyyAugNonterm  goto 1
+	$$1  goto 2
+
+
+state 1
+	$accept : yyyAugNonterm . $end  (0)
+
+	$end  accept
+
+
+state 2
+	yyyAugNonterm : $$1 . s  (2)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	s  goto 6
+	expr  goto 7
+
+
+state 3
+	expr : ID .  (9)
+
+	.  reduce 9
+
+
+state 4
+	expr : CONST .  (10)
+
+	.  reduce 10
+
+
+state 5
+	expr : '(' . expr ')'  (8)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 8
+
+
+state 6
+	yyyAugNonterm : $$1 s .  (2)
+
+	.  reduce 2
+
+
+state 7
+	s : expr .  (3)
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+
+	'+'  shift 9
+	'-'  shift 10
+	'*'  shift 11
+	'/'  shift 12
+	$end  reduce 3
+
+
+state 8
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+	expr : '(' expr . ')'  (8)
+
+	'+'  shift 9
+	'-'  shift 10
+	'*'  shift 11
+	'/'  shift 12
+	')'  shift 13
+	.  error
+
+
+state 9
+	expr : expr '+' . expr  (5)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 14
+
+
+state 10
+	expr : expr '-' . expr  (7)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 15
+
+
+state 11
+	expr : expr '*' . expr  (4)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 16
+
+
+state 12
+	expr : expr '/' . expr  (6)
+
+	ID  shift 3
+	CONST  shift 4
+	'('  shift 5
+	.  error
+
+	expr  goto 17
+
+
+state 13
+	expr : '(' expr ')' .  (8)
+
+	.  reduce 8
+
+
+state 14
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr '+' expr .  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+
+	'*'  shift 11
+	'/'  shift 12
+	$end  reduce 5
+	'+'  reduce 5
+	'-'  reduce 5
+	')'  reduce 5
+
+
+state 15
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+	expr : expr '-' expr .  (7)
+
+	'*'  shift 11
+	'/'  shift 12
+	$end  reduce 7
+	'+'  reduce 7
+	'-'  reduce 7
+	')'  reduce 7
+
+
+state 16
+	expr : expr . '*' expr  (4)
+	expr : expr '*' expr .  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr . '-' expr  (7)
+
+	.  reduce 4
+
+
+state 17
+	expr : expr . '*' expr  (4)
+	expr : expr . '+' expr  (5)
+	expr : expr . '/' expr  (6)
+	expr : expr '/' expr .  (6)
+	expr : expr . '-' expr  (7)
+
+	'*'  shift 11
+	$end  reduce 6
+	'+'  reduce 6
+	'-'  reduce 6
+	'/'  reduce 6
+	')'  reduce 6
+
+
+10 terminals, 5 nonterminals
+11 grammar rules, 18 states

test/yacc/expr.oxout.tab.h

@@ -0,0 +1,15 @@
+#define ID 257
+#define CONST 258
+#ifdef YYSTYPE
+#undef  YYSTYPE_IS_DECLARED
+#define YYSTYPE_IS_DECLARED 1
+#endif
+#ifndef YYSTYPE_IS_DECLARED
+#define YYSTYPE_IS_DECLARED 1
+typedef union {
+struct yyyOxAttrbs {
+struct yyyStackItem *yyyOxStackItem;
+} yyyOxAttrbs;
+} YYSTYPE;
+#endif /* !YYSTYPE_IS_DECLARED */
+extern YYSTYPE expr.oxout_lval;