#!/bin/bash

################################################################################

#

#  mkapidoc.sh -- generate apidoc.fnc from scanning the Perl source

#

################################################################################

#

#  Version 3.x, Copyright (C) 2004-2013, Marcus Holland-Moritz.

#  Version 2.x, Copyright (C) 2001, Paul Marquess.

#  Version 1.x, Copyright (C) 1999, Kenneth Albanowski.

#

#  This program is free software; you can redistribute it and/or

#  modify it under the same terms as Perl itself.

#

################################################################################

function isperlroot

{

  [ -f "$1/embed.fnc" ] && [ -f "$1/perl.h" ]

}

function usage

{

  echo "USAGE: $0 [perlroot] [output-file] [embed.fnc]"

  exit 0

}

if [ -z "$1" ]; then

  if isperlroot "../../.."; then

    PERLROOT=../../..

  else

    PERLROOT=.

  fi

else

  PERLROOT=$1

fi

if [ -z "$2" ]; then

  if [ -f "parts/apidoc.fnc" ]; then

    OUTPUT="parts/apidoc.fnc"

  else

    usage

  fi

else

  OUTPUT=$2

fi

if [ -z "$3" ]; then

  if [ -f "parts/embed.fnc" ]; then

    EMBED="parts/embed.fnc"

  else

    usage

  fi

else

  EMBED=$3

fi

if isperlroot $PERLROOT; then

  cat >$OUTPUT <

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

:

:  !!!! Do NOT edit this file directly! -- Edit devel/mkapidoc.sh instead. !!!!

:

:  This file was automatically generated from the API documentation scattered

:  all over the Perl source code. To learn more about how all this works,

:  please read the F<HACKERS> file that came with this distribution.

:

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

:

: This file lists all API functions/macros that are documented in the Perl

: source code, but are not contained in F<embed.fnc>.

:

EOF

  grep -hr '^=for apidoc' $PERLROOT | sed -e 's/=for apidoc //' | grep '|' | sort | uniq \

     | perl -e'$f=pop;open(F,$f)||die"$f:$!";while(<F>){(split/\|/)[2]=~/(\w+)/;$h{$1}++}

               while(<>){s/[ \t]+$//;(split/\|/)[2]=~/(\w+)/;$h{$1}||print}' $EMBED >>$OUTPUT

else

  usage

fi