# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils java-pkg-opt-2 distutils flag-o-matic mono

DESCRIPTION="A parser generator for C++, C#, Java, and Python"
HOMEPAGE="http://www.antlr.org/"
SRC_URI="http://www.antlr.org/download/${P}.tar.gz"

LICENSE="ANTLR"
SLOT="0"
KEYWORDS="~x86 ~amd64"
IUSE="doc debug examples mono cxx java python script source shared"

RDEPEND="java? ( >=virtual/jre-1.4 )
		 cxx? ( dev-util/pkgconfig )
		 mono? ( dev-lang/mono )
		 python? ( dev-lang/python )"
DEPEND="java? ( >=virtual/jdk-1.4 )
		${RDEPEND}
		script? ( !dev-util/pccts )
		examples? ( sys-apps/findutils )
		source? ( app-arch/zip )"

src_unpack() {
	unpack ${A}
	cd ${S}
	epatch ${FILESDIR}/antlr-2.7.6-pkgconfig.patch
	epatch ${FILESDIR}/antlr-2.7.6-csharp.patch
}

src_compile() {
	if use shared ; then
		append-flags -fPIC
	fi

	econf $(use_enable java) \
		  $(use_enable cxx) \
		  $(use_enable python) \
		  $(use_enable mono csharp) \
		  $(use_enable debug) \
		  $(use_enable examples) \
		  --enable-verbose || die "configure failed"

	emake || die "compile failed"

	if use java && use script ; then
		cat > antlr.sh <<-EOF
		#!/bin/sh
		ANTLR_JAR=\$(java-config-1 -p antlr)
		\$(java-config-1 -J) -cp \$ANTLR_JAR antlr.Tool \$*
		EOF
	fi
}

src_install() {
	exeinto /usr/bin
	doexe ${S}/scripts/antlr-config

	if use cxx ; then
		cd ${S}/lib/cpp
		einstall || die "failed to install C++ files"

		insinto /usr/$(get_libdir)/pkgconfig
		doins ${S}/scripts/antlr.pc
	fi

	if use java ; then
		exeinto /usr/bin
		use script && newexe ${S}/antlr.sh antlr

		java-pkg_dojar ${S}/antlr/antlr.jar

		use source && java-pkg_dosrc ${S}/antlr
		use doc && java-pkg_dohtml -r doc/*
	fi

	if use mono ; then
		cd ${S}/lib

		dodir /usr/$(get_libdir)/antlr/
		insinto /usr/$(get_libdir)/antlr/

		doins antlr.astframe.dll
		doins antlr.runtime.dll
	fi

	if use python ; then
		cd ${S}/lib/python
		distutils_src_install
	fi

	if use examples ; then
		find ${S}/examples -iname Makefile\* -exec rm \{\} \;

		dodir /usr/share/doc/${PF}/examples
		insinto /usr/share/doc/${PF}/examples

		use cxx && doins -r ${S}/examples/cpp
		use java && doins -r ${S}/examples/java
		use mono && doins -r ${S}/examples/csharp
		use python && doins -r ${S}/examples/python
	fi

	newdoc ${S}/README.txt README
}