build_antlr_parser.xml

<!--
  ~ Licensed to the Apache Software Foundation (ASF) under one or more
  ~ contributor license agreements.  See the NOTICE file distributed with
  ~ this work for additional information regarding copyright ownership.
  ~ The ASF licenses this file to You under the Apache License, Version 2.0
  ~ (the "License"); you may not use this file except in compliance with
  ~ the License.  You may obtain a copy of the License at
  ~
  ~     http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  ~
  ~ Authors: Stefan Irimescu, Can Berker Cikis
  ~
  -->

<project name="antlr-parser" default="generate-parser"
         basedir="."> <!-- "." here is evaluated to full path and set to basedir-->

    <!-- Set project properties. -->
    <!-- <property name="src.dir" value="${basedir}/src/main/java/sparksoniq"/> prepends full path as comment-->
    <property name="src.dir" value="./src/main/java/org/rumbledb"/>
    <property name="parser.dir" value="${src.dir}/parser/jsoniq"/>
    <property name="antlr.jar" value="./lib/antlr-4.9.3-complete.jar"/>


    <target name="clean-parser">
        <delete file="/org/rumbledb/parser/jsoniq/Jsoniq.tokens"/>
        <delete file="/org/rumbledb/parser/jsoniq/JsoniqLexer.java"/>
        <delete file="/org/rumbledb/parser/jsoniq/JsoniqParser.java"/>
        <delete file="/org/rumbledb/parser/jsoniq/JsoniqBaseVisitor.java"/>
        <delete file="/org/rumbledb/parser/jsoniq/JsoniqVisitor.java"/>
        <delete file="/org/rumbledb/parser/jsoniq/JsoniqLexer.tokens"/>
    </target>

    <target name="generate-parser">
        <echo message="ANTLR4 ${parser.dir}/Jsoniq.g4" level="info"/>
        <!-- <echo>${basedir}</echo> prints fullpath to basedir -->
        <java classname="org.antlr.v4.Tool" failonerror="true" classpath="${antlr.jar}">
            <arg value="${parser.dir}/Jsoniq.g4"/>
            <arg value="-o"/>
            <!-- <arg value="${parser.dir}" /> -->
            <arg value="."/>   <!-- put results in *.g4's directory -->
            <arg value="-no-listener"/>
            <arg value="-visitor"/>
        </java>
    </target>

</project>