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#!/usr/bin/perl
#
# $Id$
#
# This script eases the transition from the CORBA::Environment& ACE_TRY_ENV
# declarations and method parameters to the ACE_ENV_ARG macros.
# It was used for converting TAO between versions 1.2.1 and 1.2.2.
# The converted output is written to stdout.
# Typical usage would be as follows:
# perl subst_env.pl file_with_acetryenv.cpp >file_with_taoenvarg.cpp
#
$linenum = 0;
$last="";
$corbaenv = 'CORBA(::|_)Environment';
$envdecl = 'CORBA(::|_)Environment *& *\w*[Ee][Nn][Vv]\w*';
$default = '(TAO_|CORBA\::Environment\::)default_environment *\(\)';
$envvar = '(ACE|TAO)_TRY_ENV';
while (($l = <>)) {
$linenum++;
if ($l =~ /$corbaenv/) {
my $single = "SINGLE_";
if ($last =~ /,\s*$/) {
$last =~ s/,\s*$/\n/;
$single = "";
} elsif ($l =~ /,\s*$corbaenv/) {
$l =~ s/,\s*$corbaenv/ CORBA_Environment/; # Preparation.
$single = "";
}
unless ($l =~ /${corbaenv}.*\)/) { # Need the method's closing paren.
chop $l;
my $nxt = <>;
$linenum++;
$nxt =~ s/^\s+//;
$l .= $nxt;
}
if ($l =~ /$envdecl/) {
if ($l =~ /$envdecl *= *$default/) {
$l =~ s/$envdecl *= *$default/ACE_ENV_${single}ARG_DECL_WITH_DEFAULTS/;
} else {
$l =~ s/$envdecl/ACE_ENV_${single}ARG_DECL/;
}
} else {
$l =~ s/$corbaenv *& */ACE_ENV_${single}ARG_DECL_NOT_USED/;
}
print $last;
print $l;
$last = "";
} elsif ($l =~ /$envvar/) {
my $single = "SINGLE_";
if ($last =~ /,\s*$/) {
$last =~ s/,\s*$/\n/;
$single = "";
} elsif ($l =~ /,\s*$envvar/) {
$l =~ s/,\s*$envvar/ ACE_TRY_ENV/; # Preparation.
$single = "";
}
$l =~ s/$envvar/ACE_ENV_${single}ARG_PARAMETER/;
print $last;
print $l;
$last = "";
} else {
print $last;
$last = $l;
}
}
print $last;
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