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###############################################################################
#
# Class: NaturalDocs::Languages::ObjC
#
###############################################################################
#
# Handle Objective-C.
#
###############################################################################
## Copyright 2008, Matthias Andreas Benkard.
##
## This package is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This package 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 General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this package; if not, write to the Free Software
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use integer;
package NaturalDocs::Languages::ObjC;
use base 'NaturalDocs::Languages::Simple';
use NaturalDocs::Languages;
sub OnCode
{
my ($self, $codeLines, $codeLineNumber, $topicList, $lastCommentTopicCount) = @_;
$self->SUPER::OnCode ($codeLines, $codeLineNumber, $topicList, $lastCommentTopicCount);
my $topic = $topicList->[-1];
my $line = $codeLines->[0];
if ($lastCommentTopicCount)
{
unless ($topic->Prototype())
{
my $code = join ("\n", @{$codeLines});
if ($topic->Type() eq ::TOPIC_FUNCTION())
{
if ($code =~ /\s*([-+].*)[;{]/)
{
$topic->SetPrototype($1);
}
}
elsif ($topic->Type() eq ::TOPIC_CLASS())
{
if ($code =~ /\s*(\@interface.*\n)/)
{
$topic->SetPrototype($1);
}
}
}
}
};
sub ParsePrototype
{
my ($self, $topic_type, $prototype) = @_;
$_ = $prototype;
if ($topic_type == ::TOPIC_FUNCTION and /([-+]\s*\((.*?)\)\s*)(.*)/)
{
# An Objective-C method.
my $return_type = $2;
my $p = NaturalDocs::Languages::Prototype->New ($1, "");
my $args_p = 0;
# FIXME: This doesn't work for argument types that contain commas.
# We should use a recursive-descent parser or something...
$_ = $3;
while (/(\S+)\((.*?)\)\s*(\S+)(?:(\s+(.*))?|$)/)
{
$p->AddParameter (NaturalDocs::Languages::Prototype::Parameter->New ("($2)",
$1,
$3,
undef,
undef,
undef));
$args_p = 1;
$_ = $4;
}
if ($args_p)
{
return $p;
}
else
{
return NaturalDocs::Languages::Prototype->New ($prototype, "");
}
}
elsif ($topic_type == ::TOPIC_FUNCTION and /((?:\S+\s+)?\S+\s*)\((.*)\)/)
{
# An ordinary C function.
my $p = NaturalDocs::Languages::Prototype->New ("$1 (", ")");
# FIXME: Same as the FIXME above. (It's even hairier here because
# something like “char *str” is read as a variable called “*str”
# whose type is “char”. (Actually, this isn't quite that wrong
# either, as “*str” _is_, in fact, of type char in this case -- by
# design! Still, it's hard to parse...))
$_ = $2;
while (/(.+?)\s*(\S+)\s*(?:,(.*)|$)/)
{
$p->AddParameter (NaturalDocs::Languages::Prototype::Parameter->New ($1,
undef,
$2,
undef,
undef,
undef));
$_ = $3;
}
return $p;
}
else
{
return $self->SUPER::ParsePrototype ($topic_type, $prototype);
}
};
1;
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