Vendor import of byacc 20120526vendor/byacc/20120526

Approved by:	des (mentor, implicit)

12 files changed, 113 insertions, 58 deletions

diff --git a/CHANGES b/CHANGES
index 66c5da07fdc8..c3c43c519054 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,37 @@
+2012-05-26  Thomas E. Dickey  <tom@invisible-island.net>
+
+	* package/debian/changelog, package/byacc.spec, VERSION: bump
+
+	* reader.c:
+	some versions of gcc may warn that bp is not set in mark_symbol, e.g.,
+	if GCC_NORETURN is not handled; appease the compiler.
+
+	* reader.c:
+	use the declared types Assoc_t and Value_t in some places where compiler only
+	cared about char versus short.
+
+	* reader.c:
+	use TMALLOC() and TREALLOC() macros to simplify allocation/reallocation
+	(no object change)
+
+	* defs.h:
+	add fallbacks for GCC_NORETURN and GCC_UNUSED to make it simpler for *BSD
+	packagers to build without configure script.  Also remove duplicate declaration
+	of pure_parser variable (prompted by patch by Baptiste Daroussin).
+
+	Also define new TMALLOC and TREALLOC macros to simplify/replace MALLOC and
+	REALLOC macros.
+
+	* symtab.c:
+	use TMALLOC() and TREALLOC() macros to simplify allocation/reallocation
+	(no object change)
+
+2012-05-25  Thomas E. Dickey  <tom@invisible-island.net>
+
+	* output.c, main.c, verbose.c, mkpar.c, lr0.c:
+	use TMALLOC() and TREALLOC() macros to simplify allocation/reallocation
+	(no object change)
+
 2012-01-15  Thomas E. Dickey  <tom@invisible-island.net>
 
 	* package/debian/copyright: bump
diff --git a/VERSION b/VERSION
index b15d73f3090c..507b92b695d2 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-20120115
+20120526
diff --git a/defs.h b/defs.h
index c774997a0c1d..4d1a407072b8 100644
--- a/defs.h
+++ b/defs.h
@@ -1,4 +1,4 @@
-/* $Id: defs.h,v 1.36 2011/12/20 01:31:16 tom Exp $ */
+/* $Id: defs.h,v 1.37 2012/05/26 15:23:00 tom Exp $ */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -11,6 +11,10 @@
 #include <ctype.h>
 #include <stdio.h>
 
+#if defined(__cplusplus)	/* __cplusplus, etc. */
+#define class myClass
+#endif
+
 #define YYMAJOR 1
 #define YYMINOR 9
 
@@ -132,9 +136,11 @@
 #define CALLOC(k,n)	(calloc((size_t)(k),(size_t)(n)))
 #define	FREE(x)		(free((char*)(x)))
 #define MALLOC(n)	(malloc((size_t)(n)))
+#define TMALLOC(t,n)	((t*) malloc((size_t)(n) * sizeof(t)))
 #define	NEW(t)		((t*)allocate(sizeof(t)))
 #define	NEW2(n,t)	((t*)allocate(((size_t)(n)*sizeof(t))))
 #define REALLOC(p,n)	(realloc((char*)(p),(size_t)(n)))
+#define TREALLOC(t,p,n)	((t*)realloc((char*)(p), (size_t)(n) * sizeof(t)))
 
 #define DO_FREE(x)	if (x) { FREE(x); x = 0; }
 
@@ -302,7 +308,6 @@ extern char *nullable;
 extern bucket *first_symbol;
 extern bucket *last_symbol;
 
-extern int pure_parser;
 extern int nstates;
 extern core *first_state;
 extern shifts *first_shift;
@@ -343,12 +348,22 @@ extern bucket *lookup(const char *);
 extern bucket *make_bucket(const char *);
 
 #ifndef GCC_NORETURN
+#if defined(__dead2)
+#define GCC_NORETURN		__dead2
+#elif defined(__dead)
+#define GCC_NORETURN		__dead
+#else
 #define GCC_NORETURN		/* nothing */
 #endif
+#endif
 
 #ifndef GCC_UNUSED
+#if defined(__unused)
+#define GCC_UNUSED		__unused
+#else
 #define GCC_UNUSED		/* nothing */
 #endif
+#endif
 
 /* closure.c */
 extern void closure(Value_t * nucleus, int n);
@@ -422,7 +437,7 @@ extern void output(void);
 extern void reader(void);
 
 /* skeleton.c */
-extern void write_section(FILE *fp, const char *const section[]);
+extern void write_section(FILE * fp, const char *const section[]);
 
 /* verbose.c */
 extern void verbose(void);
diff --git a/lr0.c b/lr0.c
index 07599734b35e..641f9f800748 100644
--- a/lr0.c
+++ b/lr0.c
@@ -1,4 +1,4 @@
-/* $Id: lr0.c,v 1.12 2010/06/09 08:53:17 tom Exp $ */
+/* $Id: lr0.c,v 1.13 2012/05/26 00:40:47 tom Exp $ */
 
 #include "defs.h"
 
@@ -538,7 +538,7 @@ set_nullable(void)
     int empty;
     int done_flag;
 
-    nullable = MALLOC(nsyms);
+    nullable = TMALLOC(char, nsyms);
     NO_SPACE(nullable);
 
     for (i = 0; i < nsyms; ++i)
diff --git a/main.c b/main.c
index dfab0a8c42f2..bcd7d50c5b34 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.38 2012/01/14 01:01:15 tom Exp $ */
+/* $Id: main.c,v 1.39 2012/05/26 00:50:20 tom Exp $ */
 
 #include <signal.h>
 #include <unistd.h>		/* for _exit() */
@@ -367,7 +367,7 @@ allocate(size_t n)
 }
 
 #define CREATE_FILE_NAME(dest, suffix) \
-	dest = MALLOC(len + strlen(suffix) + 1); \
+	dest = TMALLOC(char, len + strlen(suffix) + 1); \
 	NO_SPACE(dest); \
 	strcpy(dest, file_prefix); \
 	strcpy(dest + len, suffix)
@@ -398,7 +398,7 @@ create_file_names(void)
     if (prefix != NULL)
     {
 	len = (size_t) (prefix - output_file_name);
-	file_prefix = (char *)MALLOC(len + 1);
+	file_prefix = TMALLOC(char, len + 1);
 	NO_SPACE(file_prefix);
 	strncpy(file_prefix, output_file_name, len)[len] = 0;
     }
diff --git a/mkpar.c b/mkpar.c
index f9f2b5c2e85d..b2e36ab774c1 100644
--- a/mkpar.c
+++ b/mkpar.c
@@ -1,4 +1,4 @@
-/* $Id: mkpar.c,v 1.11 2010/06/09 08:53:17 tom Exp $ */
+/* $Id: mkpar.c,v 1.12 2012/05/26 00:42:18 tom Exp $ */
 
 #include "defs.h"
 
@@ -180,7 +180,7 @@ unused_rules(void)
     int i;
     action *p;
 
-    rules_used = (Value_t *) MALLOC((unsigned)nrules * sizeof(Value_t));
+    rules_used = TMALLOC(Value_t, nrules);
     NO_SPACE(rules_used);
 
     for (i = 0; i < nrules; ++i)
diff --git a/output.c b/output.c
index 33b10c6c5df1..331726d78e39 100644
--- a/output.c
+++ b/output.c
@@ -1,4 +1,4 @@
-/* $Id: output.c,v 1.43 2012/01/14 17:03:52 tom Exp $ */
+/* $Id: output.c,v 1.44 2012/05/26 01:13:02 tom Exp $ */
 
 #include "defs.h"
 
@@ -557,10 +557,10 @@ pack_vector(int vector)
 		}
 		while (newmax <= loc);
 
-		table = (Value_t *) REALLOC(table, (unsigned)newmax * sizeof(Value_t));
+		table = TREALLOC(Value_t, table, newmax);
 		NO_SPACE(table);
 
-		check = (Value_t *) REALLOC(check, (unsigned)newmax * sizeof(Value_t));
+		check = TREALLOC(Value_t, check, newmax);
 		NO_SPACE(check);
 
 		for (l = maxtable; l < newmax; ++l)
@@ -919,7 +919,7 @@ output_debug(void)
     ++outline;
     fprintf(code_file, "#define YYMAXTOKEN %d\n", max);
 
-    symnam = (const char **)MALLOC((unsigned)(max + 1) * sizeof(char *));
+    symnam = TMALLOC(const char *, max + 1);
     NO_SPACE(symnam);
 
     /* Note that it is  not necessary to initialize the element         */
diff --git a/package/byacc.spec b/package/byacc.spec
index 8f1fbb55bd54..b8be31aa2d14 100644
--- a/package/byacc.spec
+++ b/package/byacc.spec
@@ -1,8 +1,8 @@
 Summary: byacc - public domain Berkeley LALR Yacc parser generator
 %define AppProgram byacc
-%define AppVersion 20120115
+%define AppVersion 20120526
 %define UseProgram yacc
-# $XTermId: byacc.spec,v 1.13 2012/01/15 19:30:29 tom Exp $
+# $XTermId: byacc.spec,v 1.14 2012/05/26 16:13:45 tom Exp $
 Name: %{AppProgram}
 Version: %{AppVersion}
 Release: 1
diff --git a/package/debian/changelog b/package/debian/changelog
index 98c08e28ee58..f1598797af76 100644
--- a/package/debian/changelog
+++ b/package/debian/changelog
@@ -1,3 +1,9 @@
+byacc (20120526) unstable; urgency=low
+
+  * minor code-cleanup.
+
+ -- Thomas E. Dickey <dickey@invisible-island.net>  Sat, 26 May 2012 12:14:17 -0400
+
 byacc (20120115) unstable; urgency=low
 
   * add testcases, improve documentation for "-s" option.
diff --git a/reader.c b/reader.c
index 06512437bcd6..124b77639df5 100644
--- a/reader.c
+++ b/reader.c
@@ -1,4 +1,4 @@
-/* $Id: reader.c,v 1.33 2011/09/06 22:56:53 tom Exp $ */
+/* $Id: reader.c,v 1.36 2012/05/26 16:05:41 tom Exp $ */
 
 #include "defs.h"
 
@@ -52,7 +52,7 @@ cachec(int c)
     if (cinc >= cache_size)
     {
 	cache_size += 256;
-	cache = REALLOC(cache, cache_size);
+	cache = TREALLOC(char, cache, cache_size);
 	NO_SPACE(cache);
     }
     cache[cinc] = (char)c;
@@ -83,7 +83,7 @@ get_line(void)
 	if (line)
 	    FREE(line);
 	linesize = LINESIZE + 1;
-	line = MALLOC(linesize);
+	line = TMALLOC(char, linesize);
 	NO_SPACE(line);
     }
 
@@ -100,7 +100,7 @@ get_line(void)
 	if (++i >= linesize)
 	{
 	    linesize += LINESIZE;
-	    line = REALLOC(line, linesize);
+	    line = TREALLOC(char, line, linesize);
 	    NO_SPACE(line);
 	}
 	c = getc(f);
@@ -124,7 +124,7 @@ dup_line(void)
     s = line;
     while (*s != '\n')
 	++s;
-    p = MALLOC(s - line + 1);
+    p = TMALLOC(char, s - line + 1);
     NO_SPACE(p);
 
     s = line;
@@ -684,7 +684,7 @@ copy_param(int k)
     if (c == '}')
 	goto out;
 
-    buf = MALLOC(linesize);
+    buf = TMALLOC(char, linesize);
     NO_SPACE(buf);
 
     for (i = 0; (c = *cptr++) != '}'; i++)
@@ -732,7 +732,7 @@ copy_param(int k)
 
     name = i + 1;
 
-    p = MALLOC(sizeof(*p));
+    p = TMALLOC(param, 1);
     NO_SPACE(p);
 
     p->type2 = strdup(buf + type2);
@@ -889,7 +889,7 @@ get_literal(void)
     FREE(s_line);
 
     n = cinc;
-    s = MALLOC(n);
+    s = TMALLOC(char, n);
     NO_SPACE(s);
 
     for (i = 0; i < n; ++i)
@@ -1057,14 +1057,14 @@ get_tag(void)
     if (ntags >= tagmax)
     {
 	tagmax += 16;
-	tag_table = (char **)
+	tag_table =
 	    (tag_table
-	     ? REALLOC(tag_table, (unsigned)tagmax * sizeof(char *))
-	     : MALLOC((unsigned)tagmax * sizeof(char *)));
+	     ? TREALLOC(char *, tag_table, tagmax)
+	     : TMALLOC(char *, tagmax));
 	NO_SPACE(tag_table);
     }
 
-    s = MALLOC(cinc);
+    s = TMALLOC(char, cinc);
     NO_SPACE(s);
 
     strcpy(s, cache);
@@ -1245,7 +1245,7 @@ read_declarations(void)
     int c, k;
 
     cache_size = 256;
-    cache = MALLOC(cache_size);
+    cache = TMALLOC(char, cache_size);
     NO_SPACE(cache);
 
     for (;;)
@@ -1315,7 +1315,7 @@ initialize_grammar(void)
     nitems = 4;
     maxitems = 300;
 
-    pitem = (bucket **)MALLOC((unsigned)maxitems * sizeof(bucket *));
+    pitem = TMALLOC(bucket *, maxitems);
     NO_SPACE(pitem);
 
     pitem[0] = 0;
@@ -1326,21 +1326,21 @@ initialize_grammar(void)
     nrules = 3;
     maxrules = 100;
 
-    plhs = (bucket **)MALLOC((unsigned)maxrules * sizeof(bucket *));
+    plhs = TMALLOC(bucket *, maxrules);
     NO_SPACE(plhs);
 
     plhs[0] = 0;
     plhs[1] = 0;
     plhs[2] = 0;
 
-    rprec = (short *)MALLOC((unsigned)maxrules * sizeof(short));
+    rprec = TMALLOC(Value_t, maxrules);
     NO_SPACE(rprec);
 
     rprec[0] = 0;
     rprec[1] = 0;
     rprec[2] = 0;
 
-    rassoc = (char *)MALLOC((unsigned)maxrules * sizeof(char));
+    rassoc = TMALLOC(Assoc_t, maxrules);
     NO_SPACE(rassoc);
 
     rassoc[0] = TOKEN;
@@ -1352,7 +1352,7 @@ static void
 expand_items(void)
 {
     maxitems += 300;
-    pitem = (bucket **)REALLOC(pitem, (unsigned)maxitems * sizeof(bucket *));
+    pitem = TREALLOC(bucket *, pitem, maxitems);
     NO_SPACE(pitem);
 }
 
@@ -1361,13 +1361,13 @@ expand_rules(void)
 {
     maxrules += 100;
 
-    plhs = (bucket **)REALLOC(plhs, (unsigned)maxrules * sizeof(bucket *));
+    plhs = TREALLOC(bucket *, plhs, maxrules);
     NO_SPACE(plhs);
 
-    rprec = (short *)REALLOC(rprec, (unsigned)maxrules * sizeof(short));
+    rprec = TREALLOC(Value_t, rprec, maxrules);
     NO_SPACE(rprec);
 
-    rassoc = (char *)REALLOC(rassoc, (unsigned)maxrules * sizeof(char));
+    rassoc = TREALLOC(Assoc_t, rassoc, maxrules);
     NO_SPACE(rassoc);
 }
 
@@ -1779,7 +1779,7 @@ static int
 mark_symbol(void)
 {
     int c;
-    bucket *bp;
+    bucket *bp = NULL;
 
     c = cptr[1];
     if (c == '%' || c == '\\')
@@ -1883,7 +1883,7 @@ pack_names(void)
     for (bp = first_symbol; bp; bp = bp->next)
 	name_pool_size += strlen(bp->name) + 1;
 
-    name_pool = MALLOC(name_pool_size);
+    name_pool = TMALLOC(char, name_pool_size);
     NO_SPACE(name_pool);
 
     strcpy(name_pool, "$accept");
@@ -1938,7 +1938,7 @@ protect_string(char *src, char **des)
 	    len++;
 	}
 
-	*des = d = (char *)MALLOC(len);
+	*des = d = TMALLOC(char, len);
 	NO_SPACE(d);
 
 	s = src;
@@ -1970,19 +1970,19 @@ pack_symbols(void)
     start_symbol = (Value_t) ntokens;
     nvars = nsyms - ntokens;
 
-    symbol_name = (char **)MALLOC((unsigned)nsyms * sizeof(char *));
+    symbol_name = TMALLOC(char *, nsyms);
     NO_SPACE(symbol_name);
 
-    symbol_value = (short *)MALLOC((unsigned)nsyms * sizeof(short));
+    symbol_value = TMALLOC(Value_t, nsyms);
     NO_SPACE(symbol_value);
 
-    symbol_prec = (short *)MALLOC((unsigned)nsyms * sizeof(short));
+    symbol_prec = TMALLOC(short, nsyms);
     NO_SPACE(symbol_prec);
 
-    symbol_assoc = MALLOC(nsyms);
+    symbol_assoc = TMALLOC(char, nsyms);
     NO_SPACE(symbol_assoc);
 
-    v = (bucket **)MALLOC((unsigned)nsyms * sizeof(bucket *));
+    v = TMALLOC(bucket *, nsyms);
     NO_SPACE(v);
 
     v[0] = 0;
@@ -2082,7 +2082,7 @@ pack_symbols(void)
 
     if (gflag)
     {
-	symbol_pname = (char **)MALLOC((unsigned)nsyms * sizeof(char *));
+	symbol_pname = TMALLOC(char *, nsyms);
 	NO_SPACE(symbol_pname);
 
 	for (i = 0; i < nsyms; ++i)
@@ -2100,19 +2100,19 @@ pack_grammar(void)
     Assoc_t assoc;
     Value_t prec2;
 
-    ritem = (short *)MALLOC((unsigned)nitems * sizeof(short));
+    ritem = TMALLOC(Value_t, nitems);
     NO_SPACE(ritem);
 
-    rlhs = (short *)MALLOC((unsigned)nrules * sizeof(short));
+    rlhs = TMALLOC(Value_t, nrules);
     NO_SPACE(rlhs);
 
-    rrhs = (short *)MALLOC((unsigned)(nrules + 1) * sizeof(short));
+    rrhs = TMALLOC(Value_t, nrules + 1);
     NO_SPACE(rrhs);
 
-    rprec = (short *)REALLOC(rprec, (unsigned)nrules * sizeof(short));
+    rprec = TREALLOC(Value_t, rprec, nrules);
     NO_SPACE(rprec);
 
-    rassoc = REALLOC(rassoc, nrules);
+    rassoc = TREALLOC(Assoc_t, rassoc, nrules);
     NO_SPACE(rassoc);
 
     ritem[0] = -1;
diff --git a/symtab.c b/symtab.c
index 1327eaffc33d..9839180936c1 100644
--- a/symtab.c
+++ b/symtab.c
@@ -1,4 +1,4 @@
-/* $Id: symtab.c,v 1.9 2010/11/24 15:12:29 tom Exp $ */
+/* $Id: symtab.c,v 1.10 2012/05/26 15:16:12 tom Exp $ */
 
 #include "defs.h"
 
@@ -33,13 +33,13 @@ make_bucket(const char *name)
 
     assert(name != 0);
 
-    bp = (bucket *)MALLOC(sizeof(bucket));
+    bp = TMALLOC(bucket, 1);
     NO_SPACE(bp);
 
     bp->link = 0;
     bp->next = 0;
 
-    bp->name = MALLOC(strlen(name) + 1);
+    bp->name = TMALLOC(char, strlen(name) + 1);
     NO_SPACE(bp->name);
 
     bp->tag = 0;
@@ -82,7 +82,7 @@ create_symbol_table(void)
     int i;
     bucket *bp;
 
-    symbol_table = (bucket **)MALLOC(TABLE_SIZE * sizeof(bucket *));
+    symbol_table = TMALLOC(bucket *, TABLE_SIZE);
     NO_SPACE(symbol_table);
 
     for (i = 0; i < TABLE_SIZE; i++)
diff --git a/verbose.c b/verbose.c
index 118f8b402799..3e6ea2852850 100644
--- a/verbose.c
+++ b/verbose.c
@@ -1,4 +1,4 @@
-/* $Id: verbose.c,v 1.9 2010/06/09 08:58:29 tom Exp $ */
+/* $Id: verbose.c,v 1.10 2012/05/26 00:45:17 tom Exp $ */
 
 #include "defs.h"
 
@@ -23,7 +23,7 @@ verbose(void)
     if (!vflag)
 	return;
 
-    null_rules = (short *)MALLOC((unsigned)nrules * sizeof(short));
+    null_rules = TMALLOC(short, nrules);
     NO_SPACE(null_rules);
 
     fprintf(verbose_file, "\f\n");