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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI="5"
JAVA_PKG_IUSE="doc source"
inherit epatch java-pkg-2 java-pkg-simple
DESCRIPTION="JFlex is a lexical analyzer generator for Java"
HOMEPAGE="https://www.jflex.de/"
SRC_URI="https://${PN}.de/${P}.tar.gz"
LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm arm64 ppc64 x86 ~ppc-macos ~x64-macos"
IUSE="examples test vim-syntax"
RESTRICT="!test? ( test )"
CDEPEND="dev-java/ant-core:0"
RDEPEND=">=virtual/jre-1.6
vim-syntax? ( || ( app-editors/vim app-editors/gvim ) )
${CDEPEND}"
DEPEND=">=virtual/jdk-1.6
test? ( dev-java/junit:4 )
${CDEPEND}"
PDEPEND=">=dev-java/javacup-0.11b_p20151001:0"
S="${WORKDIR}/${P}"
JAVA_SRC_DIR="src/main/java"
java_prepare() {
# See below for details.
epatch "${FILESDIR}/icedtea-arm.patch"
# We need the bundled jflex.jar.
rm -rv ${JAVA_SRC_DIR}/java_cup examples/pom.xml || die
# Remove the bundled java-cup.jar if unneeded.
if has_version ${PDEPEND}; then
rm -v lib/java-cup-*.jar || die
fi
}
src_configure() {
# javacup is a cyclic dependency. Use the package if we have it,
# otherwise use the bundled version and install the package later.
if has_version ${PDEPEND}; then
# Use PORTAGE_QUIET to suppress a QA warning that is spurious
# thanks to has_version above. This is Portage-specific but
# showing the warning elsewhere isn't the end of the world.
JAVACUP=$(PORTAGE_QUIET=1 java-pkg_getjar --build-only javacup javacup.jar)
else
JAVACUP=$(echo lib/java-cup-*.jar)
fi
JAVA_GENTOO_CLASSPATH_EXTRA="$(java-pkg_getjars --build-only ant-core):${JAVACUP}"
}
jflex_compile() {
java "${@}" jflex.Main -d ${JAVA_SRC_DIR}/${PN} --skel src/main/${PN}/skeleton.nested src/main/${PN}/LexScan.flex || die
java-pkg-simple_src_compile
java-pkg_addres ${PN}.jar src/main/resources
}
src_compile() {
java -jar "${JAVACUP}" -destdir ${JAVA_SRC_DIR}/${PN} -package ${PN} -parser LexParse -interface src/main/cup/LexParse.cup || die
# The IcedTea ARM HotSpot port (as of 2.6.1) hangs when running
# jflex. We have patched jflex to fix it but we have to run the
# bundled version first. -Xint works around the problem. See
# http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=2678.
use arm && local JFLEX_ARGS="-Xint"
# First compile (without doc/source) using the bundled jflex.
JAVA_PKG_IUSE= jflex_compile -cp "lib/${P}.jar:${JAVACUP}" ${JFLEX_ARGS}
# Then recompile using the fresh jflex.
jflex_compile -cp "${PN}.jar:${JAVACUP}"
}
src_install() {
java-pkg-simple_src_install
java-pkg_dolauncher ${PN} --main ${PN}.Main
java-pkg_register-dependency javacup javacup-runtime.jar
java-pkg_register-ant-task
use examples && java-pkg_doexamples examples
dodoc {changelog,README}.md
if use doc; then
dodoc doc/*.pdf
docinto html
dodoc doc/*.{css,html,png} doc/COPYRIGHT
fi
if use vim-syntax; then
insinto /usr/share/vim/vimfiles/syntax
doins lib/${PN}.vim
fi
}
src_test() {
if use arm && java-pkg_current-vm-matches oracle-jdk-bin-1.8; then
# This results in a StackOverflowError as of 1.8.0.65 but works
# fine on icedtea:7. Don't know about icedtea:8 yet.
rm -v src/test/java/jflex/EmitterTest.java || die
fi
local CP="src/test/java:${PN}.jar:${JAVA_GENTOO_CLASSPATH_EXTRA}:$(java-pkg_getjars junit-4)"
local TESTS=$(find src/test/java -name "*Test*.java" -printf "%P\n")
TESTS="${TESTS//.java}"
TESTS="${TESTS//\//.}"
ejavac -classpath "${CP}" $(find src/test/java -name "*.java")
ejunit4 -classpath "${CP}" ${TESTS}
}
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