1#!/bin/bash
2
3# Runs doxygen and massages the output files.
4# Copyright (C) 2001-2020 Free Software Foundation, Inc.
5#
6# Synopsis:  run_doxygen --mode=[html|latex|man|xml] --host_alias=<alias> \
7#                        v3srcdir \
8#                        v3builddir \
9#                        shortname
10#
11# Originally hacked together by Phil Edwards <pme@gcc.gnu.org>
12
13
14# We can check now that the version of doxygen is >= this variable.
15DOXYVER=1.7.0
16
17find_doxygen() {
18    local -r v_required=`echo $DOXYVER |  \
19		awk -F. '{if(NF<3)$3=0;print ($1*100+$2)*100+$3}'`
20    local testing_version doxygen maybedoxy v_found
21    # thank you goat book
22    set `IFS=:; X="$PATH:/usr/local/bin:/bin:/usr/bin"; echo $X`
23    for dir
24    do
25      # AC_EXEEXT could come in useful here
26      maybedoxy="$dir/doxygen"
27      test -f "$maybedoxy" && testing_version=`$maybedoxy --version`
28      if test -n "$testing_version"; then
29       v_found=`echo $testing_version |  \
30		awk -F. '{if(NF<3)$3=0;print ($1*100+$2)*100+$3}'`
31       if test $v_found -ge $v_required; then
32	 doxygen="$maybedoxy"
33	 break
34       fi
35      fi
36    done
37    if test -z "$doxygen"; then
38	echo run_doxygen error:  Could not find Doxygen $DOXYVER in path. 1>&2
39	print_usage
40    fi
41    # We need to use other tools from the same package/version.
42    echo :: Using Doxygen tools from ${dir}.
43    PATH=$dir:$PATH
44    hash -r
45}
46
47print_usage() {
48    cat 1>&2 <<EOF
49Usage:  run_doxygen --mode=MODE --host_alias=BUILD_ALIAS [<options>]
50		    <v3-src-dir> <v3-build-dir> <shortnamesp>
51      MODE is one of:
52	  html           Generate user-level HTML library documentation.
53	  man            Generate user-level man pages.
54	  xml            Generate user-level XML pages.
55	  latex          Generate user-level LaTeX pages.
56
57      BUILD_ALIAS is the GCC build alias set at configure time.
58
59Note:  Requires Doxygen ${DOXYVER} or later; get it at
60       ftp://ftp.stack.nl/pub/users/dimitri/doxygen-${DOXYVER}.src.tar.gz
61
62EOF
63    exit 1
64}
65
66parse_options() {
67  for o
68  do
69    # Blatantly ripped from autoconf, er, I mean, "gratefully standing
70    # on the shoulders of those giants who have gone before us."
71    case "$o" in
72      -*=*) arg=`echo "$o" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
73      *) arg= ;;
74    esac
75
76    case "$o" in
77      --mode=*)
78	mode=$arg ;;
79      --host_alias=*)
80	host_alias=$arg ;;
81      --mode | --host_alias | --help | -h)
82	print_usage ;;
83      *)
84	# this turned out to be a mess, maybe change to --srcdir=, etc
85	if test $srcdir = unset; then
86	  srcdir=$o
87	elif test $outdir = unset; then
88	  builddir=${o}
89	  outdir=${o}/doc/doxygen
90	elif test $shortname = unset; then
91	  shortname=$o
92	else
93	  echo run_doxygen error:  Too many arguments 1>&2
94	  exit 1
95	fi
96	;;
97      esac
98  done
99}
100
101
102# script begins here
103mode=unset
104host_alias=unset
105srcdir=unset
106outdir=unset
107shortname=unset
108do_html=false
109do_man=false
110do_xml=false
111do_latex=false
112enabled_sections=
113generate_tagfile=
114DATEtext=`date '+%Y-%m-%d'`
115
116# Show how this script is called.
117echo run_doxygen $*
118
119parse_options $*
120find_doxygen
121
122if test $srcdir = unset || test $outdir = unset || test $mode = unset || test $shortname = unset || test $host_alias = unset; then
123    # this could be better
124    echo run_doxygen error:  You have not given enough information...! 1>&2
125    print_usage
126fi
127
128case x"$mode" in
129    xhtml)
130      do_html=true
131      enabled_sections=maint
132      generate_tagfile="$outdir/html/libstdc++.tag"
133      ;;
134    xlatex)
135      do_latex=true
136      enabled_sections=maint
137      ;;
138    xman)
139      do_man=true
140      ;;
141    xxml)
142      do_xml=true
143      enabled_sections=maint
144      ;;
145    *)
146      echo run_doxygen error:  $mode is an invalid mode 1>&2
147      exit 1 ;;
148esac
149
150case x"$shortname" in
151    xYES)
152      ;;
153    xNO)
154      ;;
155    *)
156      echo run_doxygen error:  $shortname is invalid 1>&2
157      exit 1 ;;
158esac
159
160
161mkdir -p $outdir
162chmod u+w $outdir
163
164# Run it
165(
166    set -e
167    cd $builddir
168    sed -e "s=@outdir@=${outdir}=g" \
169	-e "s=@srcdir@=${srcdir}=g" \
170	-e "s=@shortname@=${shortname}=g" \
171	-e "s=@builddir@=${builddir}=g" \
172	-e "s=@host_alias@=${host_alias}=g" \
173	-e "s=@enabled_sections@=${enabled_sections}=" \
174	-e "s=@do_html@=${do_html}=" \
175	-e "s=@do_latex@=${do_latex}=" \
176	-e "s=@do_man@=${do_man}=" \
177	-e "s=@do_xml@=${do_xml}=" \
178	-e "s=@generate_tagfile@=${generate_tagfile}=" \
179	${srcdir}/doc/doxygen/user.cfg.in > ${outdir}/${mode}.cfg
180    echo :: NOTE that this may take some time...
181    echo doxygen ${outdir}/${mode}.cfg
182    doxygen ${outdir}/${mode}.cfg
183)
184ret=$?
185test $ret -ne 0 && exit $ret
186
187if $do_xml; then
188    echo ::
189    echo :: XML pages begin with
190    echo :: ${outdir}/xml/index.xml
191fi
192
193if $do_latex; then
194    cd ${outdir}/${mode}
195
196    # Grrr, Doxygen 1.8.x changed the -w latex options.
197    need_footer=`doxygen -h | sed -n -e '/-w latex/s=.*footer.*=true=p'`
198
199    # Also drop in the header file (maybe footer file) and style sheet
200    if $need_footer; then
201      doxygen -w latex header.tex footer.tex doxygen.sty
202    else
203      doxygen -w latex header.tex doxygen.sty
204    fi
205
206    echo ::
207    echo :: LaTeX pages begin with
208    echo :: ${outdir}/latex/refman.tex
209fi
210
211if $do_html; then
212  cd ${outdir}/${mode}
213
214  #doxytag -t libstdc++.tag . > /dev/null 2>&1
215
216  # Strip pathnames from tag file.
217  sed -e '/<path>/d' libstdc++.tag > TEMP
218  mv TEMP libstdc++.tag
219
220  sed -e "s=@DATE@=${DATEtext}=" \
221      ${srcdir}/doc/doxygen/mainpage.html > index.html
222
223  # The following bit of line noise changes annoying
224  #   std::foo < typename _Ugly1, typename _Ugly2, .... _DefaultUgly17 >
225  # to user-friendly
226  #   std::foo
227  # in the major "Compound List" page.
228  sed -e 's=\(::[[:alnum:]_]*\)&lt; .* &gt;=\1=' annotated.html > annstrip.html
229  mv annstrip.html annotated.html
230
231  cp ${srcdir}/doc/doxygen/tables.html tables.html
232
233  echo ::
234  echo :: HTML pages begin with
235  echo :: ${outdir}/html/index.html
236fi
237
238# Mess with the man pages.  We don't need documentation of the internal
239# headers, since the man pages for those contain nothing useful anyhow.  The
240# man pages for doxygen modules need to be renamed (or deleted).  And the
241# generated #include lines need to be changed from the internal names to the
242# standard ones (e.g., "#include <stl_tempbuf.h>" -> "#include <memory>").
243if $do_man; then
244echo ::
245echo :: Fixing up the man pages...
246cd $outdir/man/man3
247
248# File names with embedded spaces (EVIL!) need to be....?  renamed or removed?
249find . -name "* *" -print0 | xargs -0r rm        # requires GNU tools
250
251# man pages are for functions/types/other entities, not source files
252# directly.  who the heck would type "man foo.h" anyhow?
253find . -name "[a-z]*" -a ! -name "std_*" -print | xargs rm
254rm -f *.h.3 *.hpp.3 *config* *.cc.3 *.tcc.3 *_t.3
255#rm ext_*.3 tr1_*.3 debug_*.3
256
257# this is used to examine what we would have deleted, for debugging
258#mkdir trash
259#find . -name "[a-z]*" -a ! -name "std_*" -print | xargs -i mv {} trash
260#mv *.h.3 *config* *.cc.3 *.tcc.3 *_t.3  trash
261
262# Standardize the displayed header names.  If anyone who knows perl cares
263# enough to rewrite all this, feel free.  This only gets run once a century,
264# and I'm off getting coffee then anyhow, so I didn't care enough to make
265# this super-fast.
266g++ ${srcdir}/doc/doxygen/stdheader.cc -o ./stdheader
267problematic=`egrep -l '#include <.*_.*>' [a-z]*.3`
268for f in $problematic; do
269    # this is also slow, but safe and easy to debug
270    oldh=`sed -n '/fC#include </s/.*<\(.*\)>.*/\1/p' $f`
271    newh=`echo $oldh | ./stdheader`
272    sed 's=${oldh}=${newh}=' $f > TEMP
273    mv TEMP $f
274done
275rm stdheader
276
277# Some of the pages for generated modules have text that confuses certain
278# implementations of man(1), e.g. on GNU/Linux.  We need to have another
279# top-level *roff tag to /stop/ the .SH NAME entry.
280problematic=`egrep --files-without-match '^\.SH SYNOPSIS' [A-Z]*.3`
281#problematic='Containers.3 Sequences.3 Assoc_containers.3 Iterator_types.3'
282
283for f in $problematic; do
284    sed '/^\.SH NAME/{
285n
286a\
287\
288.SH SYNOPSIS
289    }' $f > TEMP
290    mv TEMP $f
291done
292
293# Also, break this (generated) line up.  It's ugly as sin.
294problematic=`grep -l '[^^]Definition at line' *.3`
295for f in $problematic; do
296    sed 's/Definition at line/\
297.PP\
298&/'  $f > TEMP
299    mv TEMP $f
300done
301
302cp ${srcdir}/doc/doxygen/Intro.3 C++Intro.3
303
304# Why didn't I do this at the start?  Were rabid weasels eating my brain?
305# Who the fsck would "man std_vector" when the class isn't named that?
306
307# First, deal with nested namespaces.
308for f in *chrono_*; do
309    newname=`echo $f | sed 's/chrono_/chrono::/'`
310    mv $f $newname
311done
312for f in *__debug_*; do
313    newname=`echo $f | sed 's/__debug_/__debug::/'`
314    mv $f $newname
315done
316for f in *decimal_*; do
317    newname=`echo $f | sed 's/decimal_/decimal::/'`
318    mv $f $newname
319done
320for f in *__detail_*; do
321    newname=`echo $f | sed 's/__detail_/__detail::/'`
322    mv $f $newname
323done
324for f in *__gnu_pbds_detail_*; do
325    newname=`echo $f | sed 's/detail_/detail::/'`
326    mv $f $newname
327done
328for f in *__parallel_*; do
329    newname=`echo $f | sed 's/__parallel_/__parallel::/'`
330    mv $f $newname
331done
332
333# Remove inline namespaces used for versioning.
334for f in *_V2_*; do
335    newname=`echo $f | sed 's/_V2_/::/'`
336    sed 's/::_V2::/::/g' $f > $newname
337    rm $f
338done
339for f in *_experimental_filesystem_v?_*; do
340    newname=`echo $f | sed 's/_filesystem_v._/::filesystem::/'`
341    sed 's/::filesystem::v.::/::filesystem::/g' $f > $newname
342    rm $f
343done
344for f in *experimental_fundamentals_v?_*; do
345    newname=`echo $f | sed 's/experimental_.*_v[[:digit:]]_/experimental::/'`
346    sed 's/::experimental::fundamentals_v[[:digit:]]::/::experimental::/g' $f > $newname
347    rm $f
348done
349
350# Then, clean up other top-level namespaces.
351for f in std_tr1_*; do
352    newname=`echo $f | sed 's/^std_tr1_/std::tr1::/'`
353    mv $f $newname
354done
355for f in std_tr2_*; do
356    newname=`echo $f | sed 's/^std_tr2_/std::tr2::/'`
357    mv $f $newname
358done
359for f in std_*; do
360    newname=`echo $f | sed 's/^std_/std::/'`
361    mv $f $newname
362done
363for f in __gnu_cxx_*; do
364    newname=`echo $f | sed 's/^__gnu_cxx_/__gnu_cxx::/'`
365    mv $f $newname
366done
367for f in __gnu_debug_*; do
368    newname=`echo $f | sed 's/^__gnu_debug_/__gnu_debug::/'`
369    mv $f $newname
370done
371for f in __gnu_parallel_*; do
372    newname=`echo $f | sed 's/^__gnu_parallel_/__gnu_parallel::/'`
373    mv $f $newname
374done
375for f in __gnu_pbds_*; do
376    newname=`echo $f | sed 's/^__gnu_pbds_/__gnu_pbds::/'`
377    mv $f $newname
378done
379for f in __cxxabiv1_*; do
380    newname=`echo $f | sed 's/^__cxxabiv1_/abi::/'`
381    mv $f $newname
382done
383
384# Then piecemeal nested classes
385
386
387# Generic removal bits, where there are things in the generated man
388# pages that need to be killed.
389for f in *_libstdc__-v3_*; do
390    rm $f
391done
392
393for f in *_src_*; do
394    rm $f
395done
396
397
398# Also, for some reason, typedefs don't get their own man pages.  Sigh.
399for f in ios streambuf istream ostream iostream stringbuf \
400	 istringstream ostringstream stringstream filebuf ifstream \
401	 ofstream fstream string;
402do
403    echo ".so man3/std::basic_${f}.3" > std::${f}.3
404    echo ".so man3/std::basic_${f}.3" > std::w${f}.3
405done
406
407echo ::
408echo :: Man pages in ${outdir}/man
409fi
410
411# all done
412echo ::
413
414exit 0
415