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# Copyright 1999-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
JAVA_PKG_IUSE="doc source test"
MAVEN_ID="org.antlr:antlr4-runtime:4.13.2"
JAVA_TESTING_FRAMEWORKS="junit-jupiter"
inherit java-pkg-2 java-pkg-simple junit5
MY_PN="${PN%-runtime}"
MY_P="${MY_PN}-${PV}"
DESCRIPTION="ANTLR 4 Runtime"
HOMEPAGE="https://www.antlr.org/"
SRC_URI="https://github.com/antlr/antlr4/archive/${PV}.tar.gz -> ${MY_P}.tar.gz"
S="${WORKDIR}/${MY_PN}4-${PV}"
LICENSE="BSD"
SLOT="4"
KEYWORDS="amd64 arm64 ppc64"
DEPEND="
>=virtual/jdk-1.8:*
test? (
~dev-java/antlr-tool-${PV}:${SLOT}
dev-java/jol-core:0
)
"
RDEPEND="
>=virtual/jre-1.8:*
"
JAVA_AUTOMATIC_MODULE_NAME="org.antlr.antlr4.runtiime"
JAVA_SRC_DIR="runtime/Java/src"
JAVA_TEST_GENTOO_CLASSPATH="antlr-tool-${SLOT},jol-core,junit-5"
JAVA_TEST_RESOURCE_DIRS="runtime-testsuite/resources"
JAVA_TEST_SRC_DIR="runtime-testsuite/test"
src_prepare() {
java-pkg_clean
java-pkg-2_src_prepare
}
src_test() {
# Build classpath for tests
# The JAR created during src_compile must appear in the classpath *before*
# any dependencies to ensure that *it* is the JAR being tested; otherwise,
# because the test suite depends on antlr-tool, which depends on this
# package, the copy of this package's JAR installed on the system would be
# tested instead when it appears earlier in the classpath, which might
# cause test failures when the version being built differs from the version
# already installed on the system, like https://bugs.gentoo.org/834138
local CP="${S}/${JAVA_JAR_FILENAME}"
local test_dep res_dir
for test_dep in ${JAVA_TEST_GENTOO_CLASSPATH}; do
CP+=":$(java-pkg_getjars --build-only --with-dependencies "${test_dep}")"
done
for res_dir in "${JAVA_TEST_RESOURCE_DIRS[@]}"; do
CP+=":${res_dir}"
done
pushd "${JAVA_TEST_SRC_DIR[0]}" > /dev/null ||
die "Failed to enter test source directory for ${PN}"
einfo "Generating ANTLR 4 parsers for tests ..."
local java_exe="$(java-config -J)"
local g4_files=( $(find * -name "*.g4") )
local file
for file in "${g4_files[@]}"; do
local java_pkg="${file%/*.g4}"
java_pkg="${java_pkg//\//.}"
"${java_exe}" -cp "${CP}" org.antlr.v4.Tool \
-visitor -package "${java_pkg}" "${file}" ||
die "Failed to generate ANTLR 4 parser from ${file}"
done
# Create a list of tests to run
# https://github.com/antlr/antlr4/blob/4.9.3/runtime-testsuite/pom.xml#L100
# Excluding classes with "No runnable methods"
local TESTS=$(find * -type f -name "Test*.java")
TESTS="${TESTS//.java}"
TESTS="${TESTS//\//.}"
popd > /dev/null || die "Failed to leave test source directory for ${PN}"
local classes="target/classes"
# Compile Java test sources, and process @CommentHasStringValue
# annotations at the same time
local javac_extra_args=()
if ver_test "$(java-config -g PROVIDES_VERSION)" -ge 17; then
javac_extra_args+=(
-J--add-opens=jdk.compiler/com.sun.tools.javac.{main,model,tree,util}=ALL-UNNAMED
)
fi
ejavac -d "${classes}" -cp "${CP}:${processor_cp}" \
"${javac_extra_args[@]}" \
$(find "${JAVA_TEST_SRC_DIR[@]}" -name "*.java")
ejunit5 -classpath "${classes}:${CP}" ${TESTS}
}
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