mirror of https://github.com/apache/lucene.git
89 lines
2.6 KiB
Groovy
89 lines
2.6 KiB
Groovy
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import java.nio.file.Files
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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configure(project(":lucene:expressions")) {
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configurations {
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antlr
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}
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dependencies {
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antlr "org.antlr:antlr4"
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}
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task generateAntlrInternal() {
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description "Regenerate Javascript.g4"
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group "generation"
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dependsOn configurations.antlr
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def generatedPatterns = [
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"**/JavascriptBaseVisitor.java",
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"**/JavascriptLexer.java",
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"**/JavascriptParser.java",
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"**/JavascriptVisitor.java",
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]
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def sourceDir = "src/java/org/apache/lucene/expressions/js"
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def inputFiles = file("$sourceDir/Javascript.g4")
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def tempOutput = file("$buildDir/antlr")
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def outputFiles = fileTree(dir: sourceDir, includes: generatedPatterns)
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inputs.files inputFiles
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outputs.files outputFiles
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doFirst {
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project.delete tempOutput
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project.javaexec {
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main = "org.antlr.v4.Tool"
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classpath = configurations.antlr
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ignoreExitValue false
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args = [
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"-no-listener",
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"-visitor",
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"-package", "org.apache.lucene.expressions.js",
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"-o", tempOutput,
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inputFiles
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]
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}
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def generatedFiles = fileTree(dir: tempOutput, includes: generatedPatterns)
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generatedFiles.each { file ->
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modifyFile(file, { text ->
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text = text.replaceAll("public ((interface|class) Javascript\\w+)", "\$1")
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text = text.replaceAll("// Generated from .*", "// ANTLR GENERATED CODE: DO NOT EDIT")
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return text
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})
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}
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project.copy {
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from tempOutput
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into sourceDir
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include generatedPatterns
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}
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}
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}
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def generateAntlr = wrapWithPersistentChecksums(
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generateAntlrInternal, [ andThenTasks: ["spotlessJava", "spotlessJavaApply"] ])
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regenerate.dependsOn generateAntlr
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}
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