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Add test case for declarations in manual.

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This commit is contained in:
Roland McGrath 2013-02-11 14:02:54 -08:00
parent eb66fd21bf
commit 973356198d
11 changed files with 229 additions and 41 deletions
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32
ChangeLog
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@ -1,3 +1,35 @@
2013-02-11 Roland McGrath <roland@hack.frob.com>
* manual/summary.awk: Print "@c FILE LINENO FLAVOR" lines between the
sort key comment and the @item. Grok "(optional)" final token on
header @comment lines and put it on the leading @comment in output.
* manual/conf.texi (General Limits): Add (optional) for ARG_MAX,
CHILD_MAX, OPEN_MAX, STREAM_MAX, TZNAME_MAX.
(Utility Limits): Likewise for EQUIV_CLASS_MAX.
(Limits for Files): Likewise for LINK_MAX.
* manual/terminal.texi (Local Modes): Likewise for ALTWERASE and
NOKERNINFO.
(Control Modes): Likewise for CCTS_OFLOW, CRTS_IFLOW, MDMBUF, CIGNORE.
(Output Modes): Likewise for ONOEOT, OXTABS.
(Signal Characters): Likewise for VDSUSP.
(Other Special): Likewise for VSTATUS.
* manual/errno.texi (Error Codes): Likewise for EAUTH, ENEEDAUTH,
EBACKGROUND, EDIED, ED, EGREGIOUS, EIEIO, EGRATUITOUS, EBADRPC,
ERPCMISMATCH, EPROGUNAVAIL, EPROGMISMATCH, EPROCUNAVAIL, EFTYPE,
EPROCLIM.
* manual/time.texi (Processor Time): Likewise for CLK_TCK.
* manual/llio.texi (Access Modes): Likewise for O_READ, O_WRITE, O_EXEC.
(Open-time Flags): Likewise for O_SHLOCK, O_EXLOCK, O_IGNORE_CTTY,
O_NOLINK, O_NOTRANS.
* manual/signal.texi (Program Error Signals): Likewise for SIGEMT.
(Miscellaneous Signals): Likewise for SIGINFO.
(Operation Error Signals): Likewise for SIGLOST.
* manual/summary-check.awk: New file.
* manual/Makefile ($(objpfx)summary-check.c): New target.
(tests): New variable.
* include/sys/auxv.h: New file.
2013-03-19 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
[BZ #13889]

1
include/sys/auxv.h Normal file
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@ -0,0 +1 @@
#include <misc/sys/auxv.h>

5
manual/Makefile
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@ -47,6 +47,7 @@ add-chapters = $(wildcard $(foreach d, $(add-ons), ../$d/$d.texi))
appendices = lang.texi header.texi install.texi maint.texi platform.texi \
contrib.texi
licenses = freemanuals.texi lgpl-2.1.texi fdl-1.3.texi
tests = summary-check
-include $(objpfx)texis
$(objpfx)texis: texis.awk $(chapters) $(add-chapters) $(appendices) $(licenses)
@ -93,6 +94,10 @@ $(objpfx)stamp-summary: summary.awk $(filter-out $(objpfx)summary.texi, \
$(move-if-change) $(objpfx)summary-tmp $(objpfx)summary.texi
touch $@
$(objpfx)summary-check.c: summary-check.awk $(objpfx)summary.texi
$(AWK) -f $^ > $@.new
mv -f $@.new $@
# Generate a file which can be added to the `dir' content to provide direct
# access to the documentation of the function, variables, and other
# definitions.

12
manual/conf.texi
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@ -56,7 +56,7 @@ with @samp{_POSIX}, which gives the lowest value that the limit is
allowed to have on @emph{any} POSIX system. @xref{Minimums}.
@cindex limits, program argument size
@comment limits.h
@comment limits.h (optional)
@comment POSIX.1
@deftypevr Macro int ARG_MAX
If defined, the unvarying maximum combined length of the @var{argv} and
@ -64,7 +64,7 @@ If defined, the unvarying maximum combined length of the @var{argv} and
@end deftypevr
@cindex limits, number of processes
@comment limits.h
@comment limits.h (optional)
@comment POSIX.1
@deftypevr Macro int CHILD_MAX
If defined, the unvarying maximum number of processes that can exist
@ -74,7 +74,7 @@ Resources}.
@end deftypevr
@cindex limits, number of open files
@comment limits.h
@comment limits.h (optional)
@comment POSIX.1
@deftypevr Macro int OPEN_MAX
If defined, the unvarying maximum number of files that a single process
@ -82,7 +82,7 @@ can have open simultaneously. In BSD and GNU, this is controlled
by the @code{RLIMIT_NOFILE} resource limit; @pxref{Limits on Resources}.
@end deftypevr
@comment limits.h
@comment limits.h (optional)
@comment POSIX.1
@deftypevr Macro int STREAM_MAX
If defined, the unvarying maximum number of streams that a single
@ -90,7 +90,7 @@ process can have open simultaneously. @xref{Opening Streams}.
@end deftypevr
@cindex limits, time zone name length
@comment limits.h
@comment limits.h (optional)
@comment POSIX.1
@deftypevr Macro int TZNAME_MAX
If defined, the unvarying maximum length of a time zone name.
@ -1539,7 +1539,7 @@ there is no actual limit except that imposed by the available virtual
memory, but there is no way that the library can tell you this.)
@end deftypevr
@comment limits.h
@comment limits.h (optional)
@comment POSIX.2
@deftypevr Macro int EQUIV_CLASS_MAX
The maximum number of weights that can be assigned to an entry of the

30
manual/errno.texi
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@ -714,7 +714,7 @@ Directory not empty, where an empty directory was expected. Typically,
this error occurs when you are trying to delete a directory.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: Too many processes
@deftypevr Macro int EPROCLIM
@comment errno 67 @c DO NOT REMOVE
@ -758,35 +758,35 @@ already specifies an NFS-mounted file.
properly on @gnuhurdsystems{}, making this error code impossible.)
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: RPC struct is bad
@deftypevr Macro int EBADRPC
@comment errno 72 @c DO NOT REMOVE
???
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: RPC version wrong
@deftypevr Macro int ERPCMISMATCH
@comment errno 73 @c DO NOT REMOVE
???
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: RPC program not available
@deftypevr Macro int EPROGUNAVAIL
@comment errno 74 @c DO NOT REMOVE
???
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: RPC program version wrong
@deftypevr Macro int EPROGMISMATCH
@comment errno 75 @c DO NOT REMOVE
???
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: RPC bad procedure for program
@deftypevr Macro int EPROCUNAVAIL
@comment errno 76 @c DO NOT REMOVE
@ -803,7 +803,7 @@ it can result from an operation to an NFS server running another
operating system.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: Inappropriate file type or format
@deftypevr Macro int EFTYPE
@comment errno 79 @c DO NOT REMOVE
@ -814,14 +814,14 @@ On some systems @code{chmod} returns this error if you try to set the
sticky bit on a non-directory file; @pxref{Setting Permissions}.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: Authentication error
@deftypevr Macro int EAUTH
@comment errno 80 @c DO NOT REMOVE
???
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment BSD: Need authenticator
@deftypevr Macro int ENEEDAUTH
@comment errno 81 @c DO NOT REMOVE
@ -865,7 +865,7 @@ While decoding a multibyte character the function came along an invalid
or an incomplete sequence of bytes or the given wide character is invalid.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment GNU: Inappropriate operation for background process
@deftypevr Macro int EBACKGROUND
@comment errno 100 @c DO NOT REMOVE
@ -877,7 +877,7 @@ it into a @code{SIGTTIN} or @code{SIGTTOU} signal. @xref{Job Control},
for information on process groups and these signals.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment GNU: Translator died
@deftypevr Macro int EDIED
@comment errno 101 @c DO NOT REMOVE
@ -886,7 +886,7 @@ translated by a program and the translator program dies while starting
up, before it has connected to the file.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment GNU: ?
@deftypevr Macro int ED
@comment errno 102 @c DO NOT REMOVE
@ -895,21 +895,21 @@ The experienced user will know what is wrong.
@c Don't change it.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment GNU: You really blew it this time
@deftypevr Macro int EGREGIOUS
@comment errno 103 @c DO NOT REMOVE
You did @strong{what}?
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment GNU: Computer bought the farm
@deftypevr Macro int EIEIO
@comment errno 104 @c DO NOT REMOVE
Go home and have a glass of warm, dairy-fresh milk.
@end deftypevr
@comment errno.h
@comment errno.h (optional)
@comment GNU: Gratuitous error
@deftypevr Macro int EGRATUITOUS
@comment errno 105 @c DO NOT REMOVE

10
manual/signal.texi
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@ -446,9 +446,9 @@ probably only see @code{SIGTRAP} if it is somehow executing bad
instructions.
@end deftypevr
@comment signal.h
@comment signal.h (optional)
@comment BSD
@deftypevr Macro int SIGEMT
@deftypevr Macro int SIGEMT
Emulator trap; this results from certain unimplemented instructions
which might be emulated in software, or the operating system's
failure to properly emulate them.
@ -456,7 +456,7 @@ failure to properly emulate them.
@comment signal.h
@comment Unix
@deftypevr Macro int SIGSYS
@deftypevr Macro int SIGSYS
Bad system call; that is to say, the instruction to trap to the
operating system was executed, but the code number for the system call
to perform was invalid.
@ -798,7 +798,7 @@ Another cause of @code{SIGPIPE} is when you try to output to a socket
that isn't connected. @xref{Sending Data}.
@end deftypevr
@comment signal.h
@comment signal.h (optional)
@comment GNU
@deftypevr Macro int SIGLOST
@cindex lost resource signal
@ -861,7 +861,7 @@ When the signal arrives, it should fetch the new screen size and
reformat its display accordingly.
@end deftypevr
@comment signal.h
@comment signal.h (optional)
@comment BSD
@deftypevr Macro int SIGINFO
Information request. On 4.4 BSD and @gnuhurdsystems{}, this signal is sent

8
manual/stdio.texi
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@ -5053,26 +5053,26 @@ otherwise.
@comment stdio.h
@comment GNU
@deftp {Data Type} cookie_read_function
@deftp {Data Type} cookie_read_function_t
This is the data type that the read function for a custom stream should have.
If you declare the function as shown above, this is the type it will have.
@end deftp
@comment stdio.h
@comment GNU
@deftp {Data Type} cookie_write_function
@deftp {Data Type} cookie_write_function_t
The data type of the write function for a custom stream.
@end deftp
@comment stdio.h
@comment GNU
@deftp {Data Type} cookie_seek_function
@deftp {Data Type} cookie_seek_function_t
The data type of the seek function for a custom stream.
@end deftp
@comment stdio.h
@comment GNU
@deftp {Data Type} cookie_close_function
@deftp {Data Type} cookie_close_function_t
The data type of the close function for a custom stream.
@end deftp

139
manual/summary-check.awk Normal file
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@ -0,0 +1,139 @@
# awk script to create a C file from summary.texinfo
# Copyright (C) 2013 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
# This script groks the summary.texi (summary.awk output) format.
# It produces a compilable C file attempts to refer to each declaration
# in summary.texi so as to verify that the types in the manual match the
# types in the code.
BEGIN {
wraps["@w{"] = 1;
wraps["@t{"] = 1;
wraps["@emph{"] = 1;
print "/* This file is generated by summary-check.awk; DO NOT EDIT! */";
print "";
}
NF == 2 && $1 == "@comment" {
ident = $2;
optional = 0;
next
}
NF == 3 && $1 == "@comment" && $3 = "(optional)" {
ident = $2;
optional = 1;
next
}
NF >= 4 && $1 == "@c" {
source = $2;
lineno = $3;
flavor = $4;
for (i = 5; i <= NF; ++i)
flavor = flavor " " $i;
next
}
$1 == "@item" {
$1 = "";
gsub(/@var{[^}]+}/, "");
gsub(/@dots{}/, "...");
gsub(/@\*/, " ");
decl = $0 ";";
for (wrap in wraps) {
len = length(wrap);
while ((first = match(decl, wrap)) > 0) {
depth = 1;
for (i = first + len; i < length(decl); ++i) {
c = substr(decl, i, 1);
if (c == "{") ++depth;
else if (c == "}" && --depth == 0) {
left = substr(decl, 1, first - 1);
middle = substr(decl, first + len, i - (first + len));
right = substr(decl, i + 1);
decl = left middle right;
break;
}
}
}
}
sub(/\.\.\.,.+);/, "...);", decl); # execle
sub(/\[,[^],]+\]/, ", ...", decl); # open
next
}
/^@file{/ {
gsub(/[^a-zA-Z0-9_]/, "", ident);
undef = 1;
if (flavor ~ /@defvrx?/) {
# These are used for feature-test macros. There is nothing we can test.
next;
}
if (flavor ~ /@itemx?/ || flavor == "@vindex") {
# These are used for macros, but we have no type information.
next;
}
if (flavor == "@defvar") {
# These are used for variables, but we have no type information.
next;
}
if (flavor == "@defmac") {
# These are used for function-like macros, but we have no type information.
next;
}
if (flavor ~ /^@deftypevrx? {Data type}$/ || flavor == "@deftp") {
# This is a type. We can just test that it's usable.
decl = "extern " ident " test_" ident ";";
}
else if (flavor ~ /^@deftypevrx?/) {
# These are used for macros.
sub(ident, "test_" ident " (void) { return " ident "; }", decl);
undef = 0
}
if (decl ~ /float-type/ || decl ~ /real-floating/) {
# Special case: these are function-like macros that
# cannot be redeclared. There isn't a simple way to test.
next
}
if (ident in seen)
next;
seen[ident] = 1
gsub(/,/, "");
for (i = 1; i <= NF && $i ~ /@file{[^}]+}/; ++i) {
header = gensub(/@file{([^}]+)}/, "\\1", 1, $i);
print "#include", "<" header ">";
}
if (optional)
print "#ifdef", ident;
else if (undef)
print "#undef", ident;
print "#", lineno, "\"" source "\"";
print decl;
if (optional)
print "#endif", "/*", ident, "*/";
}
END {
print "";
print "int main (void)";
print "{";
print " return 0;";
print "}";
}

17
manual/summary.awk
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@ -88,17 +88,22 @@ $1 == "@node" { node=$2;
}
$1 == "@comment" && $2 ~ /\.h$/ { header="@file{" $2 "}";
optional = 0;
if ($NF == "(optional)") {
optional = 1;
--NF;
}
for (i = 3; i <= NF; ++i)
header=header ", @file{" $i "}"
}
$1 == "@comment" && $2 == "(none)" { header = -1; }
$1 == "@comment" && $2 == "(none)" { header = -1; optional = 0; }
$1 == "@comment" && header != 0 { std=$2;
for (i=3;i<=NF;++i) std=std " " $i }
header != 0 && $1 ~ /@def|@item|@vindex/ \
{ defn=""; name=""; curly=0; n=1;
{ defn=""; name=""; curly=0; n=1; flavor="";
for (i = 2; i <= NF; ++i) {
if ($i ~ /^{/ && $i !~ /}/) {
curly=1
@ -124,9 +129,15 @@ header != 0 && $1 ~ /@def|@item|@vindex/ \
name=word
++n
}
if (flavor == "") {
flavor = $1;
if (flavor ~ /^@deftypevrx?/)
flavor = flavor " {" word "}";
}
}
}
printf "@comment %s%c", name, 12 # FF
printf "@comment %s%s%c", name, optional ? " (optional)" : "", 12 # FF
printf "@c %s %d %s%c", FILENAME, FNR, flavor, 12
printf "@item%s%c%c", defn, 12, 12
if (header != -1) printf "%s ", header;
printf "(%s): @ref{%s}.%c\n", std, node, 12;

14
manual/terminal.texi
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@ -752,27 +752,27 @@ This specifies eight bits per byte.
The following four bits are BSD extensions; these exist only on BSD
systems and @gnuhurdsystems{}.
@comment termios.h
@comment termios.h (optional)
@comment BSD
@deftypevr Macro tcflag_t CCTS_OFLOW
If this bit is set, enable flow control of output based on the CTS wire
(RS232 protocol).
@end deftypevr
@comment termios.h
@comment termios.h (optional)
@comment BSD
@deftypevr Macro tcflag_t CRTS_IFLOW
If this bit is set, enable flow control of input based on the RTS wire
(RS232 protocol).
@end deftypevr
@comment termios.h
@comment termios.h (optional)
@comment BSD
@deftypevr Macro tcflag_t MDMBUF
If this bit is set, enable carrier-based flow control of output.
@end deftypevr
@comment termios.h
@comment termios.h (optional)
@comment BSD
@deftypevr Macro tcflag_t CIGNORE
If this bit is set, it says to ignore the control modes and line speed
@ -940,7 +940,7 @@ attempt to write to the terminal. @xref{Access to the Terminal}.
The following bits are BSD extensions; they exist only on BSD systems
and @gnuhurdsystems{}.
@comment termios.h
@comment termios.h (optional)
@comment BSD
@deftypevr Macro tcflag_t ALTWERASE
This bit determines how far the WERASE character should erase. The
@ -1394,7 +1394,7 @@ mechanism, the program should send a @code{SIGTSTP} signal to the
process group of the process, not just to the process itself.
@xref{Signaling Another Process}.
@comment termios.h
@comment termios.h (optional)
@comment BSD
@deftypevr Macro int VDSUSP
@cindex DSUSP character
@ -1501,7 +1501,7 @@ output buffer. Typing any other character resets the flag.
This character is available on BSD systems and @gnulinuxhurdsystems{}.
@end deftypevr
@comment termios.h
@comment termios.h (optional)
@comment BSD
@deftypevr Macro int VSTATUS
@cindex STATUS character

2
manual/time.texi
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@ -300,7 +300,7 @@ these are the actual amounts of time; not relative to any event.
@xref{Creating a Process}.
@end deftp
@comment time.h
@comment time.h (optional)
@comment POSIX.1
@deftypevr Macro int CLK_TCK
This is an obsolete name for the number of clock ticks per second. Use