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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=7
JAVA_PKG_IUSE="doc test"
inherit java-pkg-2 java-pkg-simple
DESCRIPTION="A parser generator for many languages"
HOMEPAGE="https://www.antlr3.org/"
SRC_URI="https://www.antlr3.org/download/${P}.tar.gz
https://www.antlr3.org/download/${P}.jar" # Prebuilt version needed.
LICENSE="BSD"
SLOT="3"
KEYWORDS="amd64 ~arm arm64 ppc64 x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc64-solaris ~x64-solaris"
RESTRICT="!test? ( test )"
CDEPEND=">=dev-java/antlr-2.7.7-r7:0
dev-java/stringtemplate:0"
RDEPEND="${CDEPEND}
>=virtual/jre-1.8:*"
DEPEND="${CDEPEND}
>=virtual/jdk-1.8:*
test? ( dev-java/junit:4 )"
PATCHES=(
# These fixes have been applied in 3.5.
"${FILESDIR}/${PV}-test-fixes.patch"
"${FILESDIR}/${PV}-java-8.patch"
)
S="${WORKDIR}/${P}"
JAVA_GENTOO_CLASSPATH_EXTRA="${S}/${PN}-runtime.jar"
JAVA_GENTOO_CLASSPATH="antlr,stringtemplate"
src_unpack() {
unpack ${P}.tar.gz
}
src_prepare() {
default
java-pkg_clean
# Some tests fail under Java 8 in ways that probably aren't limited
# to the tests. This is bad but upstream is never going to update
# 3.2 even though other projects still rely on it. If any issues
# arise, we can only put pressure on those projects to upgrade.
if java-pkg_is-vm-version-ge 1.8; then
rm -v tool/src/test/java/org/antlr/test/Test{DFAConversion,SemanticPredicates,TopologicalSort}.java || die
fi
# 3.2 has strange hidden files.
find -type f -name "._*.*" -delete || die
}
src_compile() {
cd "${S}/runtime/Java/src/main" || die
JAVA_JAR_FILENAME="${S}/${PN}-runtime.jar" java-pkg-simple_src_compile
cd "${S}/tool/src/main" || die
local G; for G in antlr codegen antlr.print assign.types buildnfa define; do # from pom.xml
antlr -o antlr2/org/antlr/grammar/v2/{,${G}.g} || die
done
# We have applied a patch to fix this version under Java 8. Trouble
# is that we need to run a prebuilt version before we can build our
# own and that version doesn't have the fix applied. We work around
# this by building just the offending class against the prebuilt
# version and then putting them together in the classpath. That
# isn't all. Due to a compiler limitation that Chewi doesn't fully
# understand, this class cannot be compiled by itself without a
# couple of tweaks that have been applied in the Java 8 patch.
ejavac -classpath "${DISTDIR}/${P}.jar" java/org/antlr/tool/CompositeGrammar.java
java -classpath "java:${DISTDIR}/${P}.jar" org.antlr.Tool $(find antlr3 -name "*.g") || die
JAVA_JAR_FILENAME="${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}" $(find -name "*.java")
ejunit4 -classpath "${CP}" ${TESTS}
}
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