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Merge branch 'maint'

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* maint:
  c++: shorten the assertions that check whether tokens are correct
  c++: don't glue functions together
  lalr1.cc: YY_ASSERT should use api.prefix
  c++: don't use YY_ASSERT at all if parse.assert is disabled
  c++: style: follow the Bison m4 quoting pattern
  yacc.c: provide the Bison version as an integral macro
  regen
  style: make conversion of version string to int public
  %require: accept version numbers with three parts ("3.7.4")
  yacc.c: fix #definition of YYEMPTY
  gnulib: update
  doc: fix incorrect section title
  doc: minor grammar fixes in counterexamples section
This commit is contained in:
Akim Demaille
2020-11-13 07:01:19 +01:00
parent d0ea78ca47 d8cc6b073e
commit 23472033ee
21 changed files with 314 additions and 165 deletions
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71
src/parse-gram.c
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@@ -1,4 +1,4 @@
/* A Bison parser, made by GNU Bison 3.7.2.67-44c6. */
/* A Bison parser, made by GNU Bison 3.7.3.118-d0ea7-dirty. */
/* Bison implementation for Yacc-like parsers in C
@@ -45,11 +45,11 @@
define necessary library symbols; they are noted "INFRINGES ON
USER NAME SPACE" below. */
/* Identify Bison output. */
#define YYBISON 1
/* Identify Bison output, and Bison version. */
#define YYBISON 30703
/* Bison version. */
#define YYBISON_VERSION "3.7.2.67-44c6"
/* Bison version string. */
#define YYBISON_VERSION "3.7.3.118-d0ea7-dirty"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
@@ -220,8 +220,6 @@ typedef enum yysymbol_kind_t yysymbol_kind_t;
#include "system.h"
#include <c-ctype.h>
#include <errno.h>
#include <intprops.h>
#include <quotearg.h>
#include <vasnprintf.h>
#include <xmemdup0.h>
@@ -235,6 +233,7 @@ typedef enum yysymbol_kind_t yysymbol_kind_t;
#include "reader.h"
#include "scan-code.h"
#include "scan-gram.h"
#include "strversion.h"
/* Pretend to be at least that version, to check features published
in that version while developping it. */
@@ -647,19 +646,19 @@ union yyalloc
/* YYRLINE[YYN] -- Source line where rule number YYN was defined. */
static const yytype_int16 yyrline[] =
{
0, 311, 311, 320, 321, 325, 326, 332, 336, 341,
342, 343, 344, 345, 346, 351, 356, 357, 358, 359,
360, 361, 361, 362, 363, 364, 365, 366, 367, 368,
369, 373, 374, 383, 384, 388, 399, 403, 407, 415,
425, 426, 436, 437, 443, 456, 456, 461, 461, 466,
466, 471, 481, 482, 483, 484, 489, 490, 494, 495,
500, 501, 505, 506, 510, 511, 512, 525, 534, 538,
542, 550, 551, 555, 568, 569, 574, 575, 576, 594,
598, 602, 610, 612, 617, 624, 634, 638, 642, 650,
656, 669, 670, 676, 677, 678, 685, 685, 693, 694,
695, 700, 703, 705, 707, 709, 711, 713, 715, 717,
719, 724, 725, 734, 758, 759, 760, 761, 773, 775,
799, 804, 805, 810, 818, 819
0, 310, 310, 319, 320, 324, 325, 331, 335, 340,
341, 342, 343, 344, 345, 350, 355, 356, 357, 358,
359, 360, 360, 361, 362, 363, 364, 365, 366, 367,
368, 372, 373, 382, 383, 387, 398, 402, 406, 414,
424, 425, 435, 436, 442, 455, 455, 460, 460, 465,
465, 470, 480, 481, 482, 483, 488, 489, 493, 494,
499, 500, 504, 505, 509, 510, 511, 524, 533, 537,
541, 549, 550, 554, 567, 568, 573, 574, 575, 593,
597, 601, 609, 611, 616, 623, 633, 637, 641, 649,
655, 668, 669, 675, 676, 677, 684, 684, 692, 693,
694, 699, 702, 704, 706, 708, 710, 712, 714, 716,
718, 723, 724, 733, 757, 758, 759, 760, 772, 774,
798, 803, 804, 809, 817, 818
};
#endif
@@ -3063,41 +3062,11 @@ handle_pure_parser (location const *loc, char const *directive)
}
/* Convert VERSION into an int (MAJOR * 100 + MINOR). Return -1 on
errors.
Changes of behavior are only on minor version changes, so "3.0.5"
is the same as "3.0": 300. */
static int
str_to_version (char const *version)
{
IGNORE_TYPE_LIMITS_BEGIN
int res = 0;
errno = 0;
char *cp = NULL;
long major = strtol (version, &cp, 10);
if (errno || cp == version || *cp != '.' || major < 0
|| INT_MULTIPLY_WRAPV (major, 100, &res))
return -1;
++cp;
char *cp1 = NULL;
long minor = strtol (cp, &cp1, 10);
if (errno || cp1 == cp || (*cp1 != '\0' && *cp1 != '.')
|| ! (0 <= minor && minor < 100)
|| INT_ADD_WRAPV (minor, res, &res))
return -1;
IGNORE_TYPE_LIMITS_END
return res;
}
static void
handle_require (location const *loc, char const *version_quoted)
{
char *version = unquote (version_quoted);
required_version = str_to_version (version);
required_version = strversion_to_int (version);
if (required_version == -1)
{
complain (loc, complaint, _("invalid version requirement: %s"),