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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
JAVA_PKG_IUSE="doc source"
inherit java-pkg-2 java-pkg-simple
DESCRIPTION="CUP Parser Generator for Java"
HOMEPAGE="https://www2.cs.tum.edu/projects/cup/"
SRC_URI="https://www2.cs.tum.edu/projects/cup/releases/java-cup-src-${PV/_p/-}.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="amd64 arm64 ppc64 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris"
IUSE="ant-task"
DEPEND="${CP_DEPEND}
>=dev-java/jflex-1.6.1-r3:0
>=virtual/jdk-1.8:*
ant-task? ( >=dev-java/ant-1.10.14-r3:0 )"
RDEPEND="${CP_DEPEND}
>=virtual/jre-1.8:*
ant-task? ( >=dev-java/ant-1.10.14-r3:0 )"
DOCS=( changelog.txt )
HTML_DOCS=( manual.html )
JAVA_MAIN_CLASS="java_cup/Main"
JAVA_SRC_DIR=( "src" "java" )
src_prepare() {
java-pkg-2_src_prepare
if use ant-task; then
JAVA_GENTOO_CLASSPATH+="ant"
else
rm src/java_cup/anttask/CUPTask.java || die
fi
}
src_compile() {
if has_version \>=${CATEGORY}/${PN}-11b:${SLOT}; then
einfo "Get path of installed JAVACUP"
CP_CUP="$(java-pkg_getjar --build-only javacup javacup.jar)"
else
einfo "Get path of bundled JAVACUP"
CP_CUP="$(echo bin/java-cup-*.jar)"
fi
einfo "Path to JAVACUP is ${CP_CUP}"
einfo "Get path to jflex"
CP_FLEX="$(java-pkg_getjars --build-only jflex)"
einfo "Path to jflex is ${CP_FLEX}"
einfo "Generate parser with: ${CP_CUP}"
"$(java-config -J)" -jar "${CP_CUP}" \
-interface -destdir "java" -parser "parser" -symbols "sym" \
cup/parser.cup || die
einfo "Generate lexer"
# https://jflex.de/manual.html#running-jflex
$(java-config -J) -cp "${CP_CUP}:${CP_FLEX}" jflex.Main \
flex/Lexer.jflex -d java/javacup || die
einfo "Build intermediate jar"
JAVA_JAR_FILENAME="seco.jar"
java-pkg-simple_src_compile
einfo "Remove classes and generated code"
rm -rv java/* target/classes/ || die
einfo "Regenerate parser with intermediate jar file"
"$(java-config -J)" -jar ./seco.jar \
-interface -destdir "java" -parser "parser" -symbols "sym" \
cup/parser.cup || die
einfo "Regenerate lexer with intermediate jar file"
$(java-config -J) -cp "$(echo ./seco.jar):${CP_FLEX}" jflex.Main \
flex/Lexer.jflex -d java/javacup || die
einfo "Build final jar with regenerated parser and lexer"
JAVA_JAR_FILENAME="${PN}.jar"
java-pkg-simple_src_compile
"$(java-config --jar)" cvf "${PN}-runtime.jar" -C target/classes java_cup/runtime || die
}
src_install() {
java-pkg-simple_src_install
java-pkg_dojar "${PN}.jar" "${PN}-runtime.jar"
use ant-task && java-pkg_register-ant-task
}
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