bin/update_pch.sh

   1 #! /bin/bash
   2 #
   3 # This file is part of the LibreOffice project.
   4 #
   5 # This Source Code Form is subject to the terms of the Mozilla Public
   6 # License, v. 2.0. If a copy of the MPL was not distributed with this
   7 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8 #
   9
  10 # Usage: update_pch.sh [precompiled_xxx.hxx]
  11 # Invoke: make cmd cmd="./bin/update_pch.sh [..]"
  12
  13 root=`dirname $0`
  14 root=`cd $root/.. && pwd`
  15
  16 if test -z "$1"; then
  17     headers=`ls $root/*/inc/pch/precompiled_*.hxx`
  18 else
  19     headers="$1"
  20 fi
  21
  22 # Split the headers into an array.
  23 IFS=' ' read -a aheaders <<< $headers
  24 hlen=${#aheaders[@]};
  25 if [ $hlen -gt 1 ]; then
  26     if [ -z "$PARALLELISM" ]; then
  27         PARALLELISM=0 # Let xargs decide
  28     fi
  29     echo $headers | xargs -n 1 -P $PARALLELISM $0
  30     exit $?
  31 fi
  32
  33 for x in $headers; do
  34     header=$x
  35     echo updating `echo $header | sed -e s%$root/%%`
  36     module=`readlink -f $header | sed -e s%$root/%% -e s%/.*%%`
  37     name=`echo $header | sed -e s/.*precompiled_// -e s/\.hxx//`
  38     makefile="Library_$name.mk"
  39
  40     tmpfile=`mktemp`
  41
  42     cat "$root/$module/$makefile" | sed 's#\\$##' | \
  43         (
  44         inobjects=
  45         ifstack=0
  46         while read line ; do
  47             if test "$line" = "))" ; then
  48                 inobjects=
  49             elif echo $line | grep -q -e add_exception_objects -e add_cxxobject -e add_cxxobjects ; then
  50                 inobjects=1
  51                 if test $ifstack -ne 0 ; then
  52                     echo Sources in a conditional, ignoring for now. >&2
  53                 fi
  54             elif echo $line | grep -q ^if ; then
  55                 ifstack=$((ifstack + 1))
  56             elif echo $line | grep -q ^endif ; then
  57                 ifstack=$((ifstack - 1))
  58             elif test -n "$inobjects" -a $ifstack -eq 0; then
  59                 file=$line
  60                 if echo $line | grep -q ", "; then
  61                     true # $if() probably, or something similar
  62                 elif ! test -f "$root/$file".cxx ; then
  63                     echo No file $file in $module/$makefile >&2
  64                 else
  65
  66 function list_file_includes()
  67 (
  68     ifdepth=0
  69     # filter out only preprocessor lines, get the first and second "words" after the #,
  70     # also replace " with @ (would cause trouble when doing echo of the line)
  71     cat "$1" | grep -E '^\s*#' | sed 's/^\s*#/#/' | sed 's/^\(#\w*\s+\w*\)\s+.*/\1/' | sed 's/"/@/g' | \
  72         while read line; do
  73             # skip everything surrounded by any #if
  74             if echo "$line" | grep -q "#if" ; then
  75                 ifdepth=$((ifdepth + 1))
  76                 lastif="$line"
  77             elif echo "$line" | grep -q "#endif" ; then
  78                 ifdepth=$((ifdepth - 1))
  79                 lastif="#if"
  80             elif echo "$line" | grep -q "#include"; then
  81                 if test $ifdepth -eq 0; then
  82                     echo $line | sed 's/@/"/g'
  83                 else
  84                     echo "#include in $lastif : $line" | sed 's/@/"/g' >&2
  85                 fi
  86             fi
  87         done
  88 )
  89
  90                     list_file_includes "$root/$file".cxx | sed 's/\(#include [<@][^>@]*[>@]\).*/\1/' | sed 's#\.\./##g#' >>$tmpfile
  91                 fi
  92             fi
  93         done
  94         )
  95
  96     cat >$header <<EOF
  97 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
  98 /*
  99  * This file is part of the LibreOffice project.
 100  *
 101  * This Source Code Form is subject to the terms of the Mozilla Public
 102  * License, v. 2.0. If a copy of the MPL was not distributed with this
 103  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 104  */
 105
 106 /*
 107  This file has been autogenerated by update_pch.sh . It is possible to edit it
 108  manually (such as when an include file has been moved/renamed/removed. All such
 109  manual changes will be rewritten by the next run of update_pch.sh (which presumably
 110  also fixes all possible problems, so it's usually better to use it).
 111 */
 112
 113 EOF
 114
 115     # Library_svx needs this (sendreportw32.cxx)
 116     if test "$makefile" = Library_svx.mk ; then
 117         cat >>$header <<EOF
 118 #ifdef WNT
 119 #define UNICODE
 120 #define _UNICODE
 121 #endif
 122
 123 EOF
 124     fi
 125
 126 function local_file()
 127 (
 128     file="$1"
 129     echo "$file" | grep -q ^"$module"/ && exit 0
 130 #    find "$root/$module" -type f | grep -v "$root/$module/inc/" | grep /"$file"'$' && exit 0
 131     find "$root/$module" -type f | grep /"$file"'$' -q && exit 0
 132     if echo "$file" | grep -F . -q; then
 133         find "$root/$module" -type f | grep -q /`echo "$file" | sed 's/\.hxx$/.sdi/'` && exit 0
 134     fi
 135     # not local
 136     exit 1
 137 )
 138
 139 function filter_ignore()
 140 (
 141 # - filter out all files that are not normal headers
 142 # - unicode/datefm.h is a icu header, clashes with DateFormat definition
 143 # - gperffasttoken.hxx is not a proper header
 144 # - comphelper/servicedecl.hxx ignore for now
 145 # - sores.hxx provides BMP_PLUGIN, which is redefined
 146 # - some sources play ugly #define tricks with editeng/eeitemid.hxx
 147 # - objbase.h and oledb.h break ado
 148 # - NSS cert.h may need to be mangled by nssrenam.h
 149 # - xmlreader.h breaks cppuhelper
 150 # - jerror.h and jpeglib.h are not self-contained
 151 # - service1.hxx/service2.hxx are inside comments in frameworks/
 152     grep -E -e '\.h[">]$' -e '\.hpp[">]$' -e '\.hdl[">]$' -e '\.hxx[">]$' -e '^[^\.]*>$' | \
 153     grep -v -F -e '#include <vcl/opengl/OpenGLContext.hxx>' | \
 154     grep -v -F -e '#include <unicode/datefmt.h>' | \
 155     grep -v -F -e '#include "gperffasttoken.hxx"' | \
 156     grep -v -F -e '#include <comphelper/servicedecl.hxx>' | \
 157     grep -v -F -e '#include <svtools/sores.hxx>' | \
 158     grep -v -F -e '#include <editeng/eeitemid.hxx>' | \
 159     grep -v -F -e '#include <service1.hxx>' | \
 160     grep -v -F -e '#include <service2.hxx>' | \
 161     grep -v -F -e '#include <objbase.h>' | \
 162     grep -v -F -e '#include <oledb.h>' | \
 163     grep -v -F -e '#include <cert.h>' | \
 164     grep -v -F -e '#include <xmlreader/xmlreader.hxx>' | \
 165     grep -v -e '#include [<"]jerror.h[">]' | \
 166     grep -v -e '#include [<"]jpeglib.h[">]'
 167 )
 168
 169     # " in #include "foo" breaks echo down below, so " -> @
 170     cat $tmpfile | LC_ALL=C sort -u | filter_ignore | sed 's/"/@/g' | \
 171         (
 172         while read line; do
 173             file=`echo $line | sed 's/.*[<"@]\([^>"@]*\)[>"@].*/\1/'`
 174             if ! local_file "$file"; then
 175                 echo $line | sed 's/@/"/g' >>$header
 176             fi
 177         done
 178         )
 179
 180     cat >>$header <<EOF
 181
 182 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
 183 EOF
 184
 185     rm $tmpfile
 186 done
 187
 188 #echo Done.
 189 exit 0