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[SCM] gawk branch, gawk-5.1-stable, updated. gawk-4.1.0-4121-g166848a
|
From: |
Arnold Robbins |
|
Subject: |
[SCM] gawk branch, gawk-5.1-stable, updated. gawk-4.1.0-4121-g166848a |
|
Date: |
Fri, 18 Sep 2020 07:43:11 -0400 (EDT) |
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gawk".
The branch, gawk-5.1-stable has been updated
via 166848a1579181875e6ac696fd004037441b6b75 (commit)
via d81c953f9b47f56ec477c75e95bd0976822545d1 (commit)
via c24a469a6cddbecda3a14721222e3f68d725bae5 (commit)
via 154592f9db7af78cfa31ad6d64134ca89eed13b0 (commit)
via 9c5fe8fd91d4ab84a893823d5076431fca893828 (commit)
from cde8fd84a060bcae8a5960897ff2e2de576b2e08 (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=166848a1579181875e6ac696fd004037441b6b75
commit 166848a1579181875e6ac696fd004037441b6b75
Author: Arnold D. Robbins <arnold@skeeve.com>
Date: Fri Sep 18 14:13:33 2020 +0300
Update id.awk after doc update.
diff --git a/awklib/eg/prog/id.awk b/awklib/eg/prog/id.awk
index ff89203..ac6bd99 100644
--- a/awklib/eg/prog/id.awk
+++ b/awklib/eg/prog/id.awk
@@ -16,7 +16,7 @@
# Options:
# -G Output all group ids as space separated numbers (ruid, euid, groups)
# -g Output only the euid as a number
-# -n Ouput name instead of the numeric value (with -g/-G/-u)
+# -n Output name instead of the numeric value (with -g/-G/-u)
# -r Output ruid/rguid instead of effective id
# -u Output only effective user id, as a number
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=d81c953f9b47f56ec477c75e95bd0976822545d1
commit d81c953f9b47f56ec477c75e95bd0976822545d1
Author: Arnold D. Robbins <arnold@skeeve.com>
Date: Fri Sep 18 13:07:49 2020 +0300
Minor doc updates.
diff --git a/doc/ChangeLog b/doc/ChangeLog
index 8ecc89e..4f48538 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-18 Arnold D. Robbins <arnold@skeeve.com>
+
+ * gawktexi.in: Minor fixes. Thanks to Antonio Columbo for
+ bringing them to my attention.
+
2020-09-13 Arnold D. Robbins <arnold@skeeve.com>
* gawktexi.in (Egrep Program): Improve to be POSIX compliant.
diff --git a/doc/gawk.info b/doc/gawk.info
index 3624b8c..88c01fa 100644
--- a/doc/gawk.info
+++ b/doc/gawk.info
@@ -18168,7 +18168,7 @@ options, and then a 'usage()' function:
# Options:
# -G Output all group ids as space separated numbers (ruid, euid,
groups)
# -g Output only the euid as a number
- # -n Ouput name instead of the numeric value (with -g/-G/-u)
+ # -n Output name instead of the numeric value (with -g/-G/-u)
# -r Output ruid/rguid instead of effective id
# -u Output only effective user id, as a number
@@ -36265,12 +36265,12 @@ Index
* Kernighan, Brian, quotes <1>: Getline/Pipe. (line 6)
* Kernighan, Brian, quotes <2>: Concatenation. (line 6)
* Kernighan, Brian, quotes <3>: Library Functions. (line 12)
-* Kernighan, Brian <2>: Programs Exercises. (line 26)
-* Kernighan, Brian <3>: BTL. (line 6)
-* Kernighan, Brian <4>: Contributors. (line 12)
-* Kernighan, Brian <5>: Other Versions. (line 13)
-* Kernighan, Brian <6>: Basic Data Typing. (line 54)
-* Kernighan, Brian <7>: Glossary. (line 204)
+* Kernighan, Brian, quotes <4>: Programs Exercises. (line 26)
+* Kernighan, Brian <2>: BTL. (line 6)
+* Kernighan, Brian <3>: Contributors. (line 12)
+* Kernighan, Brian <4>: Other Versions. (line 13)
+* Kernighan, Brian <5>: Basic Data Typing. (line 54)
+* Kernighan, Brian <6>: Glossary. (line 204)
* kill command, dynamic profiling: Profiling. (line 194)
* knights, jedi: Undocumented. (line 6)
* Kwok, Conrad: Contributors. (line 35)
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End Tag Table
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 8a2917e..fdeb01e 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -25693,7 +25693,7 @@ and then a @code{usage()} function:
# Options:
# -G Output all group ids as space separated numbers (ruid, euid, groups)
# -g Output only the euid as a number
-# -n Ouput name instead of the numeric value (with -g/-G/-u)
+# -n Output name instead of the numeric value (with -g/-G/-u)
# -r Output ruid/rguid instead of effective id
# -u Output only effective user id, as a number
@@ -26549,7 +26549,7 @@ global variables with a leading capital letter. Doing
that would
make the program a little easier to follow.
@ifset FOR_PRINT
-@cindex Kernighan, Brian
+@cindex Kernighan, Brian @subentry quotes
The logic for choosing which lines to print represents a @dfn{state
machine}, which is ``a device which can be in one of a set number
of stable conditions depending on its previous condition and on the
@@ -28671,7 +28671,7 @@ Fix this problem.
without relying on @code{ord()} and @code{chr()}.)
@item
-@cindex Kernighan, Brian
+@cindex Kernighan, Brian @subentry quotes
In @file{uniq.awk} (@pxref{Uniq Program}, the
logic for choosing which lines to print represents a @dfn{state
machine}, which is ``a device which can be in one of a set number of stable
diff --git a/doc/gawktexi.in b/doc/gawktexi.in
index cc249fd..1f63933 100644
--- a/doc/gawktexi.in
+++ b/doc/gawktexi.in
@@ -24703,7 +24703,7 @@ and then a @code{usage()} function:
# Options:
# -G Output all group ids as space separated numbers (ruid, euid, groups)
# -g Output only the euid as a number
-# -n Ouput name instead of the numeric value (with -g/-G/-u)
+# -n Output name instead of the numeric value (with -g/-G/-u)
# -r Output ruid/rguid instead of effective id
# -u Output only effective user id, as a number
@@ -25559,7 +25559,7 @@ global variables with a leading capital letter. Doing
that would
make the program a little easier to follow.
@ifset FOR_PRINT
-@cindex Kernighan, Brian
+@cindex Kernighan, Brian @subentry quotes
The logic for choosing which lines to print represents a @dfn{state
machine}, which is ``a device which can be in one of a set number
of stable conditions depending on its previous condition and on the
@@ -27681,7 +27681,7 @@ Fix this problem.
without relying on @code{ord()} and @code{chr()}.)
@item
-@cindex Kernighan, Brian
+@cindex Kernighan, Brian @subentry quotes
In @file{uniq.awk} (@pxref{Uniq Program}, the
logic for choosing which lines to print represents a @dfn{state
machine}, which is ``a device which can be in one of a set number of stable
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=c24a469a6cddbecda3a14721222e3f68d725bae5
commit c24a469a6cddbecda3a14721222e3f68d725bae5
Merge: 154592f 9c5fe8f
Author: Arnold D. Robbins <arnold@skeeve.com>
Date: Fri Sep 18 13:05:02 2020 +0300
Merge branch 'feature/docit' into gawk-5.1-stable
http://git.sv.gnu.org/cgit/gawk.git/commit/?id=154592f9db7af78cfa31ad6d64134ca89eed13b0
commit 154592f9db7af78cfa31ad6d64134ca89eed13b0
Author: Arnold D. Robbins <arnold@skeeve.com>
Date: Fri Sep 18 13:04:27 2020 +0300
Update support files from GNULIB.
diff --git a/support/ChangeLog b/support/ChangeLog
index 0b14f6a..5f6e7bc 100644
--- a/support/ChangeLog
+++ b/support/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-18 Arnold D. Robbins <arnold@skeeve.com>
+
+ * cdefs.h, dfa.c, intprops.h, regcomp.c, regex.h, regex_internal.h,
+ verify.h: Synced from GNULIB.
+
2020-09-14 Arnold D. Robbins <arnold@skeeve.com>
* dfa.c: Synced from GNULIB.
diff --git a/support/cdefs.h b/support/cdefs.h
index 2158379..b4ac4df 100644
--- a/support/cdefs.h
+++ b/support/cdefs.h
@@ -34,7 +34,34 @@
#undef __P
#undef __PMT
-#ifdef __GNUC__
+/* Compilers that are not clang may object to
+ #if defined __clang__ && __has_attribute(...)
+ even though they do not need to evaluate the right-hand side of the &&. */
+#if defined __clang__ && defined __has_attribute
+# define __glibc_clang_has_attribute(name) __has_attribute (name)
+#else
+# define __glibc_clang_has_attribute(name) 0
+#endif
+
+/* Compilers that are not clang may object to
+ #if defined __clang__ && __has_builtin(...)
+ even though they do not need to evaluate the right-hand side of the &&. */
+#if defined __clang__ && defined __has_builtin
+# define __glibc_clang_has_builtin(name) __has_builtin (name)
+#else
+# define __glibc_clang_has_builtin(name) 0
+#endif
+
+/* Compilers that are not clang may object to
+ #if defined __clang__ && __has_extension(...)
+ even though they do not need to evaluate the right-hand side of the &&. */
+#if defined __clang__ && defined __has_extension
+# define __glibc_clang_has_extension(ext) __has_extension (ext)
+#else
+# define __glibc_clang_has_extension(ext) 0
+#endif
+
+#if defined __GNUC__ || defined __clang__
/* All functions, except those with callbacks or those that
synchronize memory, are leaf functions. */
@@ -48,16 +75,17 @@
/* GCC can always grok prototypes. For C++ programs we add throw()
to help it optimize the function calls. But this works only with
- gcc 2.8.x and egcs. For gcc 3.2 and up we even mark C functions
+ gcc 2.8.x and egcs. For gcc 3.4 and up we even mark C functions
as non-throwing using a function attribute since programs can use
the -fexceptions options for C code as well. */
-# if !defined __cplusplus && __GNUC_PREREQ (3, 3)
+# if !defined __cplusplus \
+ && (__GNUC_PREREQ (3, 4) || __glibc_clang_has_attribute (__nothrow__))
# define __THROW __attribute__ ((__nothrow__ __LEAF))
# define __THROWNL __attribute__ ((__nothrow__))
# define __NTH(fct) __attribute__ ((__nothrow__ __LEAF)) fct
# define __NTHNL(fct) __attribute__ ((__nothrow__)) fct
# else
-# if defined __cplusplus && __GNUC_PREREQ (2,8)
+# if defined __cplusplus && (__GNUC_PREREQ (2,8) || __clang_major >= 4)
# define __THROW throw ()
# define __THROWNL throw ()
# define __NTH(fct) __LEAF_ATTR fct throw ()
@@ -70,7 +98,7 @@
# endif
# endif
-#else /* Not GCC. */
+#else /* Not GCC or clang. */
# if (defined __cplusplus \
|| (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L))
@@ -83,16 +111,7 @@
# define __THROWNL
# define __NTH(fct) fct
-#endif /* GCC. */
-
-/* Compilers that are not clang may object to
- #if defined __clang__ && __has_extension(...)
- even though they do not need to evaluate the right-hand side of the &&. */
-#if defined __clang__ && defined __has_extension
-# define __glibc_clang_has_extension(ext) __has_extension (ext)
-#else
-# define __glibc_clang_has_extension(ext) 0
-#endif
+#endif /* GCC || clang. */
/* These two macros are not used in glibc anymore. They are kept here
only because some other projects expect the macros to be defined. */
@@ -129,6 +148,16 @@
# define __warnattr(msg) __attribute__((__warning__ (msg)))
# define __errordecl(name, msg) \
extern void name (void) __attribute__((__error__ (msg)))
+#elif __glibc_clang_has_attribute (__diagnose_if__) && 0
+/* These definitions are not enabled, because they produce bogus warnings
+ in the glibc Fortify functions. These functions are written in a style
+ that works with GCC. In order to work with clang, these functions would
+ need to be modified. */
+# define __warndecl(name, msg) \
+ extern void name (void) __attribute__((__diagnose_if__ (1, msg, "warning")))
+# define __warnattr(msg) __attribute__((__diagnose_if__ (1, msg, "warning")))
+# define __errordecl(name, msg) \
+ extern void name (void) __attribute__((__diagnose_if__ (1, msg, "error")))
#else
# define __warndecl(name, msg) extern void name (void)
# define __warnattr(msg)
@@ -142,8 +171,8 @@
#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L && !defined __HP_cc
# define __flexarr []
# define __glibc_c99_flexarr_available 1
-#elif __GNUC_PREREQ (2,97)
-/* GCC 2.97 supports C99 flexible array members as an extension,
+#elif __GNUC_PREREQ (2,97) || defined __clang__
+/* GCC 2.97 and clang support C99 flexible array members as an extension,
even when in C89 mode or compiling C++ (any version). */
# define __flexarr []
# define __glibc_c99_flexarr_available 1
@@ -169,7 +198,7 @@
Example:
int __REDIRECT(setpgrp, (__pid_t pid, __pid_t pgrp), setpgid); */
-#if defined __GNUC__ && __GNUC__ >= 2
+#if (defined __GNUC__ && __GNUC__ >= 2) || (__clang_major__ >= 4)
# define __REDIRECT(name, proto, alias) name proto __asm__ (__ASMNAME (#alias))
# ifdef __cplusplus
@@ -194,17 +223,17 @@
*/
#endif
-/* GCC has various useful declarations that can be made with the
- `__attribute__' syntax. All of the ways we use this do fine if
- they are omitted for compilers that don't understand it. */
-#if !defined __GNUC__ || __GNUC__ < 2
+/* GCC and clang have various useful declarations that can be made with
+ the '__attribute__' syntax. All of the ways we use this do fine if
+ they are omitted for compilers that don't understand it. */
+#if !(defined __GNUC__ || defined __clang__)
# define __attribute__(xyz) /* Ignore */
#endif
/* At some point during the gcc 2.96 development the `malloc' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings. */
-#if __GNUC_PREREQ (2,96)
+#if __GNUC_PREREQ (2,96) || __glibc_clang_has_attribute (__malloc__)
# define __attribute_malloc__ __attribute__ ((__malloc__))
#else
# define __attribute_malloc__ /* Ignore */
@@ -222,14 +251,14 @@
/* At some point during the gcc 2.96 development the `pure' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings. */
-#if __GNUC_PREREQ (2,96)
+#if __GNUC_PREREQ (2,96) || __glibc_clang_has_attribute (__pure__)
# define __attribute_pure__ __attribute__ ((__pure__))
#else
# define __attribute_pure__ /* Ignore */
#endif
/* This declaration tells the compiler that the value is constant. */
-#if __GNUC_PREREQ (2,5)
+#if __GNUC_PREREQ (2,5) || __glibc_clang_has_attribute (__const__)
# define __attribute_const__ __attribute__ ((__const__))
#else
# define __attribute_const__ /* Ignore */
@@ -238,7 +267,7 @@
/* At some point during the gcc 3.1 development the `used' attribute
for functions was introduced. We don't want to use it unconditionally
(although this would be possible) since it generates warnings. */
-#if __GNUC_PREREQ (3,1)
+#if __GNUC_PREREQ (3,1) || __glibc_clang_has_attribute (__used__)
# define __attribute_used__ __attribute__ ((__used__))
# define __attribute_noinline__ __attribute__ ((__noinline__))
#else
@@ -247,7 +276,7 @@
#endif
/* Since version 3.2, gcc allows marking deprecated functions. */
-#if __GNUC_PREREQ (3,2)
+#if __GNUC_PREREQ (3,2) || __glibc_clang_has_attribute (__deprecated__)
# define __attribute_deprecated__ __attribute__ ((__deprecated__))
#else
# define __attribute_deprecated__ /* Ignore */
@@ -270,7 +299,7 @@
If several `format_arg' attributes are given for the same function, in
gcc-3.0 and older, all but the last one are ignored. In newer gccs,
all designated arguments are considered. */
-#if __GNUC_PREREQ (2,8)
+#if __GNUC_PREREQ (2,8) || __glibc_clang_has_attribute (__format_arg__)
# define __attribute_format_arg__(x) __attribute__ ((__format_arg__ (x)))
#else
# define __attribute_format_arg__(x) /* Ignore */
@@ -280,7 +309,7 @@
attribute for functions was introduced. We don't want to use it
unconditionally (although this would be possible) since it
generates warnings. */
-#if __GNUC_PREREQ (2,97)
+#if __GNUC_PREREQ (2,97) || __glibc_clang_has_attribute (__format__)
# define __attribute_format_strfmon__(a,b) \
__attribute__ ((__format__ (__strfmon__, a, b)))
#else
@@ -291,7 +320,7 @@
must not be NULL. Do not define __nonnull if it is already defined,
for portability when this file is used in Gnulib. */
#ifndef __nonnull
-# if __GNUC_PREREQ (3,3)
+# if __GNUC_PREREQ (3,3) || __glibc_clang_has_attribute (__nonnull__)
# define __nonnull(params) __attribute__ ((__nonnull__ params))
# else
# define __nonnull(params)
@@ -300,7 +329,7 @@
/* If fortification mode, we warn about unused results of certain
function calls which can lead to problems. */
-#if __GNUC_PREREQ (3,4)
+#if __GNUC_PREREQ (3,4) || __glibc_clang_has_attribute (__warn_unused_result__)
# define __attribute_warn_unused_result__ \
__attribute__ ((__warn_unused_result__))
# if defined __USE_FORTIFY_LEVEL && __USE_FORTIFY_LEVEL > 0
@@ -314,7 +343,7 @@
#endif
/* Forces a function to be always inlined. */
-#if __GNUC_PREREQ (3,2)
+#if __GNUC_PREREQ (3,2) || __glibc_clang_has_attribute (__always_inline__)
/* The Linux kernel defines __always_inline in stddef.h (283d7573), and
it conflicts with this definition. Therefore undefine it first to
allow either header to be included first. */
@@ -327,7 +356,7 @@
/* Associate error messages with the source location of the call site rather
than with the source location inside the function. */
-#if __GNUC_PREREQ (4,3)
+#if __GNUC_PREREQ (4,3) || __glibc_clang_has_attribute (__artificial__)
# define __attribute_artificial__ __attribute__ ((__artificial__))
#else
# define __attribute_artificial__ /* Ignore */
@@ -370,12 +399,14 @@
run in pedantic mode if the uses are carefully marked using the
`__extension__' keyword. But this is not generally available before
version 2.8. */
-#if !__GNUC_PREREQ (2,8)
+#if !(__GNUC_PREREQ (2,8) || defined __clang__)
# define __extension__ /* Ignore */
#endif
-/* __restrict is known in EGCS 1.2 and above. */
-#if !__GNUC_PREREQ (2,92)
+/* __restrict is known in EGCS 1.2 and above, and in clang.
+ It works also in C++ mode (outside of arrays), but only when spelled
+ as '__restrict', not 'restrict'. */
+#if !(__GNUC_PREREQ (2,92) || __clang_major__ >= 3)
# if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
# define __restrict restrict
# else
@@ -385,8 +416,9 @@
/* ISO C99 also allows to declare arrays as non-overlapping. The syntax is
array_name[restrict]
- GCC 3.1 supports this. */
-#if __GNUC_PREREQ (3,1) && !defined __GNUG__
+ GCC 3.1 and clang support this.
+ This syntax is not usable in C++ mode. */
+#if (__GNUC_PREREQ (3,1) || __clang_major__ >= 3) && !defined __cplusplus
# define __restrict_arr __restrict
#else
# ifdef __GNUC__
@@ -401,7 +433,7 @@
# endif
#endif
-#if __GNUC__ >= 3
+#if (__GNUC__ >= 3) || __glibc_clang_has_builtin (__builtin_expect)
# define __glibc_unlikely(cond) __builtin_expect ((cond), 0)
# define __glibc_likely(cond) __builtin_expect ((cond), 1)
#else
@@ -417,7 +449,8 @@
#if (!defined _Noreturn \
&& (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
- && !__GNUC_PREREQ (4,7))
+ && !(__GNUC_PREREQ (4,7) \
+ || (3 < __clang_major__ + (5 <= __clang_minor__))))
# if __GNUC_PREREQ (2,8)
# define _Noreturn __attribute__ ((__noreturn__))
# else
@@ -436,7 +469,8 @@
#if (!defined _Static_assert && !defined __cplusplus \
&& (defined __STDC_VERSION__ ? __STDC_VERSION__ : 0) < 201112 \
- && (!__GNUC_PREREQ (4, 6) || defined __STRICT_ANSI__))
+ && (!(__GNUC_PREREQ (4, 6) || __clang_major__ >= 4) \
+ || defined __STRICT_ANSI__))
# define _Static_assert(expr, diagnostic) \
extern int (*__Static_assert_function (void)) \
[!!sizeof (struct { int __error_if_negative: (expr) ? 2 : -1; })]
diff --git a/support/dfa.c b/support/dfa.c
index 8a012ad..641f422 100644
--- a/support/dfa.c
+++ b/support/dfa.c
@@ -2505,11 +2505,6 @@ reorder_tokens (struct dfa *d)
: NULL);
for (idx_t i = 0; i < d->tindex; i++)
- for (idx_t j = 0; j < d->follows[i].nelem; j++)
- if (map[d->follows[i].elems[j].index] < 0)
- map[d->follows[i].elems[j].index] = nleaves++;
-
- for (idx_t i = 0; i < d->tindex; i++)
{
if (map[i] < 0)
{
@@ -2527,7 +2522,12 @@ reorder_tokens (struct dfa *d)
multibyte_prop[map[i]] = d->multibyte_prop[i];
for (idx_t j = 0; j < d->follows[i].nelem; j++)
- d->follows[i].elems[j].index = map[d->follows[i].elems[j].index];
+ {
+ if (map[d->follows[i].elems[j].index] == -1)
+ map[d->follows[i].elems[j].index] = nleaves++;
+
+ d->follows[i].elems[j].index = map[d->follows[i].elems[j].index];
+ }
qsort (d->follows[i].elems, d->follows[i].nelem,
sizeof *d->follows[i].elems, compare);
@@ -2700,6 +2700,17 @@ dfaanalyze (struct dfa *d, bool searchflag)
case STAR:
case PLUS:
+ /* Every element in the lastpos of the argument is in the backward
+ set of every element in the firstpos. */
+ if (d->epsilon)
+ {
+ tmp.elems = lastpos - stk[-1].nlastpos;
+ tmp.nelem = stk[-1].nlastpos;
+ for (position *p = firstpos - stk[-1].nfirstpos;
+ p < firstpos; p++)
+ merge2 (&backward[p->index], &tmp, &merged);
+ }
+
/* Every element in the firstpos of the argument is in the follow
of every element in the lastpos. */
{
diff --git a/support/intprops.h b/support/intprops.h
index 2c02568..cb08671 100644
--- a/support/intprops.h
+++ b/support/intprops.h
@@ -1,6 +1,6 @@
/* intprops.h -- properties of integer types
- Copyright (C) 2001-2019 Free Software Foundation, Inc.
+ Copyright (C) 2001-2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
@@ -48,7 +48,7 @@
/* Minimum and maximum values for integer types and expressions. */
/* The width in bits of the integer type or expression T.
- Do not evaluate T.
+ Do not evaluate T. T must not be a bit-field expression.
Padding bits are not supported; this is checked at compile-time below. */
#define TYPE_WIDTH(t) (sizeof (t) * CHAR_BIT)
@@ -70,7 +70,7 @@
? _GL_SIGNED_INT_MAXIMUM (e) \
: _GL_INT_NEGATE_CONVERT (e, 1))
#define _GL_SIGNED_INT_MAXIMUM(e) \
- (((_GL_INT_CONVERT (e, 1) << (TYPE_WIDTH ((e) + 0) - 2)) - 1) * 2 + 1)
+ (((_GL_INT_CONVERT (e, 1) << (TYPE_WIDTH (+ (e)) - 2)) - 1) * 2 + 1)
/* Work around OpenVMS incompatibility with C99. */
#if !defined LLONG_MAX && defined __INT64_MAX
@@ -86,6 +86,7 @@
/* Does the __typeof__ keyword work? This could be done by
'configure', but for now it's easier to do it by hand. */
#if (2 <= __GNUC__ \
+ || (4 <= __clang_major__) \
|| (1210 <= __IBMC__ && defined __IBM__TYPEOF__) \
|| (0x5110 <= __SUNPRO_C && !__STDC__))
# define _GL_HAVE___TYPEOF__ 1
@@ -94,8 +95,9 @@
#endif
/* Return 1 if the integer type or expression T might be signed. Return 0
- if it is definitely unsigned. This macro does not evaluate its argument,
- and expands to an integer constant expression. */
+ if it is definitely unsigned. T must not be a bit-field expression.
+ This macro does not evaluate its argument, and expands to an
+ integer constant expression. */
#if _GL_HAVE___TYPEOF__
# define _GL_SIGNED_TYPE_OR_EXPR(t) TYPE_SIGNED (__typeof__ (t))
#else
@@ -108,6 +110,8 @@
#define INT_BITS_STRLEN_BOUND(b) (((b) * 146 + 484) / 485)
/* Bound on length of the string representing an integer type or expression T.
+ T must not be a bit-field expression.
+
Subtract 1 for the sign bit if T is signed, and then add 1 more for
a minus sign if needed.
@@ -119,7 +123,7 @@
+ _GL_SIGNED_TYPE_OR_EXPR (t))
/* Bound on buffer size needed to represent an integer type or expression T,
- including the terminating null. */
+ including the terminating null. T must not be a bit-field expression. */
#define INT_BUFSIZE_BOUND(t) (INT_STRLEN_BOUND (t) + 1)
@@ -220,15 +224,33 @@
? (a) < (min) >> (b) \
: (max) >> (b) < (a))
-/* True if __builtin_add_overflow (A, B, P) works when P is non-null. */
+/* True if __builtin_add_overflow (A, B, P) and __builtin_sub_overflow
+ (A, B, P) work when P is non-null. */
#if 5 <= __GNUC__ && !defined __ICC
-# define _GL_HAS_BUILTIN_OVERFLOW 1
+# define _GL_HAS_BUILTIN_ADD_OVERFLOW 1
+#elif defined __has_builtin
+# define _GL_HAS_BUILTIN_ADD_OVERFLOW __has_builtin (__builtin_add_overflow)
+#else
+# define _GL_HAS_BUILTIN_ADD_OVERFLOW 0
+#endif
+
+/* True if __builtin_mul_overflow (A, B, P) works when P is non-null. */
+#ifdef __clang__
+/* Work around Clang bug <https://bugs.llvm.org/show_bug.cgi?id=16404>. */
+# define _GL_HAS_BUILTIN_MUL_OVERFLOW 0
#else
-# define _GL_HAS_BUILTIN_OVERFLOW 0
+# define _GL_HAS_BUILTIN_MUL_OVERFLOW _GL_HAS_BUILTIN_ADD_OVERFLOW
#endif
-/* True if __builtin_add_overflow_p (A, B, C) works. */
-#define _GL_HAS_BUILTIN_OVERFLOW_P (7 <= __GNUC__)
+/* True if __builtin_add_overflow_p (A, B, C) works, and similarly for
+ __builtin_sub_overflow_p and __builtin_mul_overflow_p. */
+#ifdef __clang__
+/* Clang 9 lacks __builtin_mul_overflow_p, and even if it did it would
+ presumably run afoul of Clang bug 16404. */
+# define _GL_HAS_BUILTIN_OVERFLOW_P 0
+#else
+# define _GL_HAS_BUILTIN_OVERFLOW_P (7 <= __GNUC__)
+#endif
/* The _GL*_OVERFLOW macros have the same restrictions as the
*_RANGE_OVERFLOW macros, except that they do not assume that operands
@@ -351,43 +373,49 @@
/* Store the low-order bits of A + B, A - B, A * B, respectively, into *R.
Return 1 if the result overflows. See above for restrictions. */
-#define INT_ADD_WRAPV(a, b, r) \
- _GL_INT_OP_WRAPV (a, b, r, +, __builtin_add_overflow, \
- _GL_INT_ADD_RANGE_OVERFLOW)
-#define INT_SUBTRACT_WRAPV(a, b, r) \
- _GL_INT_OP_WRAPV (a, b, r, -, __builtin_sub_overflow, \
- _GL_INT_SUBTRACT_RANGE_OVERFLOW)
-#define INT_MULTIPLY_WRAPV(a, b, r) \
- _GL_INT_OP_WRAPV (a, b, r, *, _GL_BUILTIN_MUL_OVERFLOW, \
- _GL_INT_MULTIPLY_RANGE_OVERFLOW)
-
-/* Like __builtin_mul_overflow, but work around GCC bug 91450. */
-#define _GL_BUILTIN_MUL_OVERFLOW(a, b, r) \
- ((!_GL_SIGNED_TYPE_OR_EXPR (*(r)) && EXPR_SIGNED (a) && EXPR_SIGNED (b) \
- && _GL_INT_MULTIPLY_RANGE_OVERFLOW (a, b, 0, (__typeof__ (*(r))) -1)) \
- ? ((void) __builtin_mul_overflow (a, b, r), 1) \
- : __builtin_mul_overflow (a, b, r))
+#if _GL_HAS_BUILTIN_ADD_OVERFLOW
+# define INT_ADD_WRAPV(a, b, r) __builtin_add_overflow (a, b, r)
+# define INT_SUBTRACT_WRAPV(a, b, r) __builtin_sub_overflow (a, b, r)
+#else
+# define INT_ADD_WRAPV(a, b, r) \
+ _GL_INT_OP_WRAPV (a, b, r, +, _GL_INT_ADD_RANGE_OVERFLOW)
+# define INT_SUBTRACT_WRAPV(a, b, r) \
+ _GL_INT_OP_WRAPV (a, b, r, -, _GL_INT_SUBTRACT_RANGE_OVERFLOW)
+#endif
+#if _GL_HAS_BUILTIN_MUL_OVERFLOW
+# if (9 < __GNUC__ + (3 <= __GNUC_MINOR__) \
+ || (__GNUC__ == 8 && 4 <= __GNUC_MINOR__))
+# define INT_MULTIPLY_WRAPV(a, b, r) __builtin_mul_overflow (a, b, r)
+# else
+ /* Work around GCC bug 91450. */
+# define INT_MULTIPLY_WRAPV(a, b, r) \
+ ((!_GL_SIGNED_TYPE_OR_EXPR (*(r)) && EXPR_SIGNED (a) && EXPR_SIGNED (b) \
+ && _GL_INT_MULTIPLY_RANGE_OVERFLOW (a, b, 0, (__typeof__ (*(r))) -1)) \
+ ? ((void) __builtin_mul_overflow (a, b, r), 1) \
+ : __builtin_mul_overflow (a, b, r))
+# endif
+#else
+# define INT_MULTIPLY_WRAPV(a, b, r) \
+ _GL_INT_OP_WRAPV (a, b, r, *, _GL_INT_MULTIPLY_RANGE_OVERFLOW)
+#endif
/* Nonzero if this compiler has GCC bug 68193 or Clang bug 25390. See:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68193
https://llvm.org/bugs/show_bug.cgi?id=25390
For now, assume all versions of GCC-like compilers generate bogus
- warnings for _Generic. This matters only for older compilers that
- lack __builtin_add_overflow. */
-#if __GNUC__
+ warnings for _Generic. This matters only for compilers that
+ lack relevant builtins. */
+#if __GNUC__ || defined __clang__
# define _GL__GENERIC_BOGUS 1
#else
# define _GL__GENERIC_BOGUS 0
#endif
/* Store the low-order bits of A <op> B into *R, where OP specifies
- the operation. BUILTIN is the builtin operation, and OVERFLOW the
- overflow predicate. Return 1 if the result overflows. See above
- for restrictions. */
-#if _GL_HAS_BUILTIN_OVERFLOW
-# define _GL_INT_OP_WRAPV(a, b, r, op, builtin, overflow) builtin (a, b, r)
-#elif 201112 <= __STDC_VERSION__ && !_GL__GENERIC_BOGUS
-# define _GL_INT_OP_WRAPV(a, b, r, op, builtin, overflow) \
+ the operation and OVERFLOW the overflow predicate. Return 1 if the
+ result overflows. See above for restrictions. */
+#if 201112 <= __STDC_VERSION__ && !_GL__GENERIC_BOGUS
+# define _GL_INT_OP_WRAPV(a, b, r, op, overflow) \
(_Generic \
(*(r), \
signed char: \
@@ -442,7 +470,7 @@
: (*(r) = _GL_INT_OP_WRAPV_VIA_UNSIGNED (a,b,op,unsigned,st), 0)))
# endif
-# define _GL_INT_OP_WRAPV(a, b, r, op, builtin, overflow) \
+# define _GL_INT_OP_WRAPV(a, b, r, op, overflow) \
(sizeof *(r) == sizeof (signed char) \
? _GL_INT_OP_WRAPV_SMALLISH (a, b, r, op, overflow, \
signed char, SCHAR_MIN, SCHAR_MAX, \
@@ -547,7 +575,7 @@
? (EXPR_SIGNED (_GL_INT_CONVERT (tmax, b)) \
? (a) < (tmax) / (b) \
: ((INT_NEGATE_OVERFLOW (b) \
- ? _GL_INT_CONVERT (b, tmax) >> (TYPE_WIDTH (b) - 1) \
+ ? _GL_INT_CONVERT (b, tmax) >> (TYPE_WIDTH (+ (b)) - 1) \
: (tmax) / -(b)) \
<= -1 - (a))) \
: INT_NEGATE_OVERFLOW (_GL_INT_CONVERT (b, tmin)) && (b) == -1 \
diff --git a/support/regcomp.c b/support/regcomp.c
index 93bb0a0..692928b 100644
--- a/support/regcomp.c
+++ b/support/regcomp.c
@@ -558,7 +558,7 @@ weak_alias (__regerror, regerror)
static const bitset_t utf8_sb_map =
{
/* Set the first 128 bits. */
-# if defined __GNUC__ && !defined __STRICT_ANSI__
+# if (defined __GNUC__ || __clang_major__ >= 4) && !defined __STRICT_ANSI__
[0 ... 0x80 / BITSET_WORD_BITS - 1] = BITSET_WORD_MAX
# else
# if 4 * BITSET_WORD_BITS < ASCII_CHARS
diff --git a/support/regex.h b/support/regex.h
index 87cce7f..7418e6c 100644
--- a/support/regex.h
+++ b/support/regex.h
@@ -600,11 +600,9 @@ extern void re_set_registers (struct re_pattern_buffer
*__buffer,
#endif /* Use GNU */
#if defined _REGEX_RE_COMP || (defined _LIBC && defined __USE_MISC)
-# ifndef _CRAY
/* 4.2 bsd compatibility. */
extern char *re_comp (const char *);
extern int re_exec (const char *);
-# endif
#endif
/* For plain 'restrict', use glibc's __restrict if defined.
@@ -614,7 +612,9 @@ extern int re_exec (const char *);
'configure' might #define 'restrict' to those words, so pick a
different name. */
#ifndef _Restrict_
-# if defined __restrict || 2 < __GNUC__ + (95 <= __GNUC_MINOR__)
+# if defined __restrict \
+ || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \
+ || __clang_major__ >= 3
# define _Restrict_ __restrict
# elif 199901L <= __STDC_VERSION__ || defined restrict
# define _Restrict_ restrict
@@ -622,13 +622,18 @@ extern int re_exec (const char *);
# define _Restrict_
# endif
#endif
-/* For [restrict], use glibc's __restrict_arr if available.
- Otherwise, GCC 3.1 (not in C++ mode) and C99 support [restrict]. */
+/* For the ISO C99 syntax
+ array_name[restrict]
+ use glibc's __restrict_arr if available.
+ Otherwise, GCC 3.1 and clang support this syntax (but not in C++ mode).
+ Other ISO C99 compilers support it as well. */
#ifndef _Restrict_arr_
# ifdef __restrict_arr
# define _Restrict_arr_ __restrict_arr
-# elif ((199901L <= __STDC_VERSION__ || 3 < __GNUC__ + (1 <= __GNUC_MINOR__)) \
- && !defined __GNUG__)
+# elif ((199901L <= __STDC_VERSION__ \
+ || 3 < __GNUC__ + (1 <= __GNUC_MINOR__) \
+ || __clang_major__ >= 3) \
+ && !defined __cplusplus)
# define _Restrict_arr_ _Restrict_
# else
# define _Restrict_arr_
diff --git a/support/regex_internal.h b/support/regex_internal.h
index 8c42586..dbc503c 100644
--- a/support/regex_internal.h
+++ b/support/regex_internal.h
@@ -335,7 +335,7 @@ typedef struct
Idx idx; /* for BACK_REF */
re_context_type ctx_type; /* for ANCHOR */
} opr;
-#if __GNUC__ >= 2 && !defined __STRICT_ANSI__
+#if (__GNUC__ >= 2 || defined __clang__) && !defined __STRICT_ANSI__
re_token_type_t type : 8;
#else
re_token_type_t type;
@@ -841,10 +841,10 @@ re_string_elem_size_at (const re_string_t *pstr, Idx idx)
#endif /* RE_ENABLE_I18N */
#ifndef FALLTHROUGH
-# if __GNUC__ < 7
-# define FALLTHROUGH ((void) 0)
-# else
+# if (__GNUC__ >= 7) || (__clang_major__ >= 10)
# define FALLTHROUGH __attribute__ ((__fallthrough__))
+# else
+# define FALLTHROUGH ((void) 0)
# endif
#endif
diff --git a/support/verify.h b/support/verify.h
index f109761..fa1ed71 100644
--- a/support/verify.h
+++ b/support/verify.h
@@ -23,11 +23,15 @@
/* Define _GL_HAVE__STATIC_ASSERT to 1 if _Static_assert (R, DIAGNOSTIC)
works as per C11. This is supported by GCC 4.6.0 and later, in C
- mode.
+ mode, and by clang (also in C++ mode).
Define _GL_HAVE__STATIC_ASSERT1 to 1 if _Static_assert (R) works as
- per C2X, and define _GL_HAVE_STATIC_ASSERT1 if static_assert (R)
- works as per C++17. This is supported by GCC 9.1 and later.
+ per C2X. This is supported by GCC 9.1 and later, and by clang in
+ C++1z mode.
+
+ Define _GL_HAVE_STATIC_ASSERT1 if static_assert (R) works as per
+ C++17. This is supported by GCC 9.1 and later, and by clang in
+ C++1z mode.
Support compilers claiming conformance to the relevant standard,
and also support GCC when not pedantic. If we were willing to slow
@@ -35,7 +39,8 @@
since this affects only the quality of diagnostics, why bother? */
#ifndef __cplusplus
# if (201112L <= __STDC_VERSION__ \
- || (!defined __STRICT_ANSI__ && 4 < __GNUC__ + (6 <= __GNUC_MINOR__)))
+ || (!defined __STRICT_ANSI__ \
+ && (4 < __GNUC__ + (6 <= __GNUC_MINOR__) || 4 <= __clang_major__)))
# define _GL_HAVE__STATIC_ASSERT 1
# endif
# if (202000L <= __STDC_VERSION__ \
@@ -43,7 +48,15 @@
# define _GL_HAVE__STATIC_ASSERT1 1
# endif
#else
-# if 201703L <= __cplusplus || 9 <= __GNUC__
+# if 4 <= __clang_major__
+# define _GL_HAVE__STATIC_ASSERT 1
+# endif
+# if 4 <= __clang_major__ && 201411 <= __cpp_static_assert
+# define _GL_HAVE__STATIC_ASSERT1 1
+# endif
+# if 201703L <= __cplusplus \
+ || 9 <= __GNUC__ \
+ || (4 <= __clang_major__ && 201411 <= __cpp_static_assert)
# define _GL_HAVE_STATIC_ASSERT1 1
# endif
#endif
@@ -292,7 +305,12 @@ template <int w>
Although assuming R can help a compiler generate better code or
diagnostics, performance can suffer if R uses hard-to-optimize
- features such as function calls not inlined by the compiler. */
+ features such as function calls not inlined by the compiler.
+
+ Avoid Clang's __builtin_assume, as it breaks GNU Emacs master
+ as of 2020-08-23T21:09:49Z!eggert@cs.ucla.edu; see
+ <https://bugs.gnu.org/43152#71>. It's not known whether this breakage
+ is a Clang bug or an Emacs bug; play it safe for now. */
#if _GL_HAS_BUILTIN_UNREACHABLE
# define assume(R) ((R) ? (void) 0 : __builtin_unreachable ())
-----------------------------------------------------------------------
Summary of changes:
awklib/eg/prog/id.awk | 2 +-
doc/ChangeLog | 5 +
doc/gawk.info | 544 +++++++++++++++++++++++------------------------
doc/gawk.texi | 6 +-
doc/gawktexi.in | 6 +-
doc/it/ChangeLog | 5 +
doc/it/gawk.1 | 3 +-
doc/it/gawktexi.in | 519 +++++++++++++++++++++++++++++++++-----------
support/ChangeLog | 5 +
support/cdefs.h | 116 ++++++----
support/dfa.c | 23 +-
support/intprops.h | 106 +++++----
support/regcomp.c | 2 +-
support/regex.h | 19 +-
support/regex_internal.h | 8 +-
support/verify.h | 30 ++-
16 files changed, 887 insertions(+), 512 deletions(-)
hooks/post-receive
--
gawk
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- [SCM] gawk branch, gawk-5.1-stable, updated. gawk-4.1.0-4121-g166848a,
Arnold Robbins <=