pmd/antlr4-wrapper.xml

<!--
  ~ BSD-style license; for more info see http://pmd.sourceforge.net/license.html
  -->

<project name="pmd" default="adapt-antlr-sources" basedir="../../../../">

<!--    Input properties:
        - lang-name: matches the grammar name (eg "Swift")
        - lang-terse-name: uncapitalized package name (eg "swift")
        - root-node-name: name of the root node (eg "TopLevel"), will be made to implement RootNode

        See AntlrGeneratedParserBase

-->

    <property name="target-package-dir" value="${antlr4.outputDirectory}/net/sourceforge/pmd/lang/${lang-terse-name}/ast"/>

    <target name="adapt-antlr-sources" description="Adapt antlr sources to the PMD codebase">

        <replace file="${target-package-dir}/${lang-name}Parser.java"
                 token="${root-node-name}Context extends ${lang-name}InnerNode"
                 value="${root-node-name}Context extends ${lang-name}InnerNode implements net.sourceforge.pmd.lang.ast.RootNode"/>

        <replace file="${target-package-dir}/${lang-name}Parser.java"
                 token="_ctx = _localctx;"
                 value="_ctx = _localctx.asAntlrNode();"/>

        <replace file="${target-package-dir}/${lang-name}Parser.java"
                 token="else return visitor.visitChildren(this);"
                 value="
else if (visitor instanceof PmdAntlrVisitor) return ((PmdAntlrVisitor&lt;? extends T>) visitor).visitChildren(this);
else return visitor.visitChildren(asAntlrNode());"/>

        <replaceregexp flags="g" file="${target-package-dir}/${lang-name}Parser.java">
            <regexp pattern="_sempred\(\((\w+)\)_localctx,"/>
            <substitution expression="_sempred\((\1) asPmdNode(_localctx),"/>
        </replaceregexp>

        <replace file="${target-package-dir}/${lang-name}Visitor.java"
                 token="extends ParseTreeVisitor"
                 value="extends net.sourceforge.pmd.lang.ast.impl.antlr4.PmdAntlrVisitor"/>
    </target>
</project>