madrob commented on a change in pull request #1199: LUCENE-9134: Port
ant-regenerate tasks to Gradle build
URL: https://github.com/apache/lucene-solr/pull/1199#discussion_r370858964
##########
File path: lucene/core/build.gradle
##########
@@ -1,7 +1,117 @@
-
apply plugin: 'java-library'
+apply plugin: "de.undercouch.download"
dependencies {
testImplementation project(':lucene:codecs')
testImplementation project(':lucene:test-framework')
}
+
+def momanCommitHash = "5c5c2a1e4dea"
+def momanUrl =
"https://bitbucket.org/jpbarrette/moman/get/${momanCommitHash}.zip";
+def python_exe = "python"
+
+def jflexUrl = "https://jflex.de/release/jflex-1.7.0.zip";
+
+// Download and extract Moman
+task installJFlex(type: Download) {
+ src jflexUrl
+ dest file("${buildDir}/jflex.zip")
+ onlyIfModified true
+ doLast {
+ ant.unzip(src: file("${buildDir}/jflex.zip"), dest:
file("${buildDir}/jflex"), overwrite: "true") {
+ ant.cutdirsmapper(dirs: "1")
+ }
+ }
+}
+
+task installMoman(type: Download) {
+ src momanUrl
+ dest file("${buildDir}/moman.zip")
+ onlyIfModified true
+
+ doLast {
+ ant.unzip(src: file("${buildDir}/moman.zip"), dest:
file("${buildDir}/moman"), overwrite: "true") {
+ ant.cutdirsmapper(dirs: "1")
+ }
+ }
+}
+
+task createPackedIntSources {
+ doLast {
+ exec {
+ workingDir 'src/java/org/apache/lucene/util/packed'
+ executable "${python_exe}"
+ args = ['-B', 'gen_BulkOperation.py']
+ }
+ exec {
+ workingDir 'src/java/org/apache/lucene/util/packed'
+ executable "${python_exe}"
+ args = ['-B', 'gen_Packed64SingleBlock.py']
+ }
+ ant.fixcrlf(srcdir: 'src/java/org/apache/lucene/util/packed', includes:
'Packed64SingleBlock.java', encoding: 'UTF-8')
+ ant.fixcrlf(srcdir: 'src/java/org/apache/lucene/util/packed', includes:
'BulkOperation*.java', encoding: 'UTF-8')
+ }
+}
+
+task createLevAutomaton(dependsOn: installMoman) {
+ doLast {
+ exec {
+ workingDir 'src/java/org/apache/lucene/util/automaton'
+ executable "${python_exe}"
+ args = ['-B', 'createLevAutomata.py', '1', 'True']
+ }
+ exec {
+ workingDir 'src/java/org/apache/lucene/util/automaton'
+ executable "${python_exe}"
+ args = ['-B', 'createLevAutomata.py', '1', 'False']
+ }
+ exec {
+ workingDir 'src/java/org/apache/lucene/util/automaton'
+ executable "${python_exe}"
+ args = ['-B', 'createLevAutomata.py', '2', 'True']
+ }
+ exec {
+ workingDir 'src/java/org/apache/lucene/util/automaton'
+ executable "${python_exe}"
+ args = ['-B', 'createLevAutomata.py', '2', 'False']
+ }
+ ant.fixcrlf(srcdir: 'src/java/org/apache/lucene/util/automaton', includes:
'*ParametricDescription.java', encoding: 'UTF-8')
+ }
+}
+
+task runJFlex(dependsOn: installJFlex, type: JavaExec) {
+ classpath = files("${buildDir}/jflex/lib/jflex-full-1.7.0.jar")
+ main = "jflex.Main"
+
+ // arguments to pass to the application
+ args = ['--skel',
project.project(":lucene:core").projectDir.getAbsolutePath() +
"/src/data/jflex/skeleton.disable.buffer.expansion.txt",
+ '--nobak',
+
'src/java/org/apache/lucene/analysis/standard/StandardTokenizerImpl.jflex'
+ ]
+ doLast {
+ //Since the ZZ_BUFFERSIZE declaration is generated rather than in the
skeleton, we have to transform it here.
+ ant.replace(token: "private static final int ZZ_BUFFERSIZE", value:
"private int ZZ_BUFFERSIZE", encoding: "UTF-8") {
+ ant.fileset(dir: "src/java/org/apache/lucene/analysis/standard",
includes: "StandardTokenizerImpl.java")
+ }
+ }
+}
+
+task cleanJFlex {
Review comment:
if you define a `jflex` task that has registered outputs, then gradle will
automatically create a corresponding `cleanJflex` task for you.
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