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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
inherit java-pkg-2 java-pkg-simple
DESCRIPTION="A parser generator for many languages"
HOMEPAGE="https://www.antlr3.org/"
SRC_URI="https://github.com/${PN}/${PN}3/archive/${PV}.tar.gz -> ${P}.tar.gz
https://www.antlr3.org/download/${P}-complete.jar" # Prebuilt version needed.
LICENSE="BSD"
SLOT="3.5"
KEYWORDS="amd64 ~arm ~arm64 ppc64 x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
IUSE="doc test"
RESTRICT="!test? ( test )"
CDEPEND="dev-java/stringtemplate:4"
RDEPEND="${CDEPEND}
>=virtual/jre-1.8"
DEPEND="${CDEPEND}
>=virtual/jdk-1.8
test? ( dev-java/junit:4 )"
S="${WORKDIR}/${PN}3-${PV}"
JAVA_GENTOO_CLASSPATH_EXTRA="${S}/${PN}-runtime.jar"
JAVA_GENTOO_CLASSPATH="stringtemplate-4"
PATCHES=(
"${FILESDIR}/${PV}-test-fixes.patch"
)
src_unpack() {
unpack ${P}.tar.gz
}
src_prepare() {
default
java-pkg_clean
# This requires StringTemplate v3 and is only needed for
# output=template. Nothing in the tree currently needs that and the
# dependency situation is already hairy enough as it is.
rm -v runtime/Java/src/main/java/org/antlr/runtime/tree/DOTTreeGenerator.java || die
# Some tests have to be removed as a result.
rm -v tool/src/test/java/org/antlr/test/Test{RewriteTemplates,Templates}.java || die
# Some tests fail under Java 8 in ways that probably aren't limited
# to the tests. This is bad but upstream is never going to update
# 3.5. At the time of writing, we only use it to build 4 anyway.
if java-pkg_is-vm-version-ge 1.8; then
rm -v tool/src/test/java/org/antlr/test/Test{DFAConversion,SemanticPredicates,TopologicalSort}.java || die
fi
}
src_compile() {
cd "${S}/runtime/Java/src/main" || die
JAVA_JAR_FILENAME="${S}/${PN}-runtime.jar" JAVA_PKG_IUSE="doc" java-pkg-simple_src_compile
cd "${S}/tool/src/main" || die
java -jar "${DISTDIR}/${P}-complete.jar" $(find antlr3 -name "*.g") || die
JAVA_JAR_FILENAME="${S}/${PN}-tool.jar" java-pkg-simple_src_compile
java-pkg_addres "${S}/${PN}-tool.jar" resources
}
src_install() {
java-pkg_dojar ${PN}-{runtime,tool}.jar
java-pkg_dolauncher ${PN}${SLOT} --main org.antlr.Tool
use doc && java-pkg_dojavadoc runtime/Java/src/main/target/api
}
src_test() {
cd tool/src/test/java || die
local CP=".:${S}/${PN}-runtime.jar:${S}/${PN}-tool.jar:$(java-pkg_getjars junit-4,${JAVA_GENTOO_CLASSPATH})"
local TESTS=$(find * -name "Test*.java")
TESTS="${TESTS//.java}"
TESTS="${TESTS//\//.}"
ejavac -classpath "${CP}" $(find -name "*.java")
# ejunit automatically adds all registered subdependencies to the
# classpath, which is annoying in this case because of the cyclic
# dependency on stringtemplate. It will blow up when trying to find
# antlr-3.5 on the system before it is installed. The easiest but
# somewhat ugly way to avoid this is to unset JAVA_PKG_DEPEND_FILE.
JAVA_PKG_DEPEND_FILE= ejunit4 -classpath "${CP}" ${TESTS}
}
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