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_r370863721
##########
File path: lucene/queryparser/build.gradle
##########
@@ -7,3 +7,305 @@ dependencies {
testImplementation project(':lucene:test-framework')
}
+
+configure(":lucene:queryparser") {
+ configurations {
+ javaCCDeps
+
+ dependencies {
+ javaCCDeps "net.java.dev.javacc:javacc:5.0"
+ }
+ }
+}
+def conf = [
+ "queryParser": ["inputFile":
file('src/java/org/apache/lucene/queryparser/classic/QueryParser.jj'),
"outputDir": file('src/java/org/apache/lucene/queryparser/classic')],
+ "surround" : ["inputFile":
file('src/java/org/apache/lucene/queryparser/surround/parser/QueryParser.jj'),
"outputDir": file('src/java/org/apache/lucene/queryparser/surround/parser/')],
+ "flexible" : ["inputFile":
file('src/java/org/apache/lucene/queryparser/flexible/standard/parser/StandardSyntaxParser.jj'),
"outputDir":
file('src/java/org/apache/lucene/queryparser/flexible/standard/parser')]
+]
+
+String javaCCClasspath
+String javaCCHome
+
+task installJavacc {
+ doLast {
+ javaCCClasspath =
project.project(":lucene:queryparser").configurations.javaCCDeps.asPath
+ javaCCHome = javaCCClasspath.substring(0, javaCCClasspath.lastIndexOf("/"))
+
+ String hacky = javaCCHome + "/" + "javacc.jar"
+ File hackyFile = new File(hacky)
+ println hackyFile
+ println hackyFile.exists()
+ if (hackyFile.exists() == false) {
+ hackyFile.bytes = new File(javaCCClasspath).bytes
+ hackyFile.setExecutable(true)
+ }
+ }
+}
+String lineSeparator = System.lineSeparator()
+
+task cleanOldGeneratedFiles {
+ doLast {
+ println "Removing old generated files"
+ conf.each { key, val ->
+ val["outputDir"].eachFileMatch ~/.*\.java/, { f ->
+ if (f.text =~ /Generated.*By.*JavaCC/) {
+ f.delete()
+ }
+ }
+ }
+ }
+}
+
+task runJavaccQueryParser(dependsOn: installJavacc) {
+ doLast {
+ println "Generating QueryParser parser"
+
+ def inputFile = conf["queryParser"]["inputFile"].getAbsolutePath()
+ def outputDir = conf["queryParser"]["outputDir"].getAbsolutePath()
+ ant.javacc(target: inputFile, outputDirectory: outputDir, javacchome:
javaCCHome)
+
+
+ ant.replaceregexp(file: new File(outputDir, "QueryParser.java"),
+ byline: "true",
+ match: "public QueryParser\\(CharStream ",
+ replace: "protected QueryParser(CharStream ")
+ ant.replaceregexp(file: new File(outputDir, "QueryParser.java"),
+ byline: "true",
+ match: "public QueryParser\\(QueryParserTokenManager ",
+ replace: "protected QueryParser(QueryParserTokenManager ")
+ }
+}
+
+task runJavaccSurround(dependsOn: installJavacc) {
+ doLast {
+ println "Generating Surroundf parser"
+ def inputFile = conf["surround"]["inputFile"].getAbsolutePath()
+ def outputDir = conf["surround"]["outputDir"].getAbsolutePath()
+
+ ant.javacc(target: inputFile, outputDirectory: outputDir, javacchome:
javaCCHome)
+
+ // This is very clumsy, but these are unused imports that are necessary
other generated files
+ [
+ "import java.util.Vector;",
+ "import org.apache.lucene.queryparser.flexible.messages.Message;",
+ "import org.apache.lucene.queryparser.flexible.messages.MessageImpl;",
+ "import
org.apache.lucene.queryparser.flexible.core.QueryNodeParseException;",
+ "import
org.apache.lucene.queryparser.flexible.core.messages.QueryParserMessages;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.AndQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.BooleanQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.BoostQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.FieldQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.FuzzyQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.ModifierQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.GroupQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.OrQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.standard.nodes.RegexpQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.SlopQueryNode;",
+ "import org.apache.lucene.queryparser.flexible.core.nodes.QueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.nodes.QuotedFieldQueryNode;",
+ "import
org.apache.lucene.queryparser.flexible.core.parser.SyntaxParser;",
+ "import
org.apache.lucene.queryparser.flexible.standard.nodes.TermRangeQueryNode;",
+ "import java.io.StringReader;",
+ "import java.util.ArrayList;",
+ "import java.util.Arrays;",
+ "import java.util.HashSet;",
+ "import java.util.List;",
+ "import java.util.Locale;",
+ "import java.util.Set;",
+ "import org.apache.lucene.analysis.Analyzer;",
+ "import org.apache.lucene.document.DateTools;",
+ "import org.apache.lucene.search.BooleanClause;",
+ "import org.apache.lucene.search.Query;",
+ "import org.apache.lucene.search.TermRangeQuery;",
+ "import org.apache.lucene.analysis.TokenStream;",
+ "import org.apache.lucene.queryparser.surround.query.SrndQuery;",
+ "import org.apache.lucene.queryparser.surround.query.FieldsQuery;",
+ "import org.apache.lucene.queryparser.surround.query.OrQuery;",
+ "import org.apache.lucene.queryparser.surround.query.AndQuery;",
+ "import org.apache.lucene.queryparser.surround.query.NotQuery;",
+ "import org.apache.lucene.queryparser.surround.query.DistanceQuery;",
+ "import org.apache.lucene.queryparser.surround.query.SrndTermQuery;",
+ "import org.apache.lucene.queryparser.surround.query.SrndPrefixQuery;",
+ "import org.apache.lucene.queryparser.surround.query.SrndTruncQuery;"
+ ].each {
+ ant.replaceregexp(match: "${it}.*${lineSeparator}", replace: "",
encoding: "UTF-8") {
+ ant.fileset(dir: outputDir, includes: "*TokenManager.java")
+ }
+ }
+ // StringBuffer -> StringBuilder
+ ant.replace(token: "StringBuffer", value: "StringBuilder", encoding:
"UTF-8") {
+ ant.fileset(dir: outputDir, includes: "ParseException.java
TokenMgrError.java")
+ }
+
+ [
+ "import org.apache.lucene.analysis.TokenStream;",
+ ].each {
+ ant.replaceregexp(match: "${it}.*${lineSeparator}", replace: "",
encoding: "UTF-8") {
+ ant.fileset(dir: outputDir, includes: "QueryParser.java")
+ }
+ }
+ // StringBuffer -> StringBuilder
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