[[sec:antlr_convention_properties]]
== Convention properties (deprecated)

The ANTLR plugin adds one convention property.

`antlr` — link:{groovyDslPath}/org.gradle.api.file.SourceDirectorySet.html[SourceDirectorySet]::
The ANTLR grammar files of this source set. Contains all `.g` or `.g4` files found in the ANTLR source directories, and excludes all other types of files. _Default value is non-null._

            </thead>
            <tr>
                <td>classesDirs</td>
                <td>a file collection of each <literal><replaceable>${project.layout.buildDirectory}</replaceable>/classes/<replaceable>${sourceDirectorySet.name}</replaceable>/<replaceable>${sourceSet.name}</replaceable></literal></td>
            </tr>
            <tr>
                <td>resourcesDir</td>

        then:
        outputs.recompiledClasses("A", "B", "C")
        output.contains("Cannot infer source root(s) for source `file '${textFile.absolutePath}'`. Supported types are `File` (directories only), `DirectoryTree` and `SourceDirectorySet`.")
        output.contains("Full recompilation is required because the source roots could not be inferred.")
    }

    def "does not recompile when a resource changes"() {
        given:
        buildFile << """

    public BaseLanguageSourceSet() {
        this(NEXT_SOURCE_SET_INFO.get());
    }

    private BaseLanguageSourceSet(SourceSetInfo info) {
        super(validate(info).identifier, info.publicType, info.objectFactory.sourceDirectorySet("source", "source"));
        this.objectFactory = info.objectFactory;
    }

    private static SourceSetInfo validate(SourceSetInfo info) {
        if (info == null) {

            canInferSourceRoots = false;
            LOG.info("Cannot infer source root(s) for source `{}`. Supported types are `File` (directories only), `DirectoryTree` and `SourceDirectorySet`.", fileCollection);
        }
    }

}

tasks.withType<CodeNarc>().configureEach {
    if (name.contains("IntegTest")) {
        config = configFile("codenarc-integtests.xml")
    }
}

val SourceSet.allGroovy: SourceDirectorySet
    get() = the<GroovySourceDirectorySet>()

abstract class CodeNarcRule @Inject constructor(
    private val groovyVersion: String
) : ComponentMetadataRule {

        String displayName = parentDisplayName + " Antlr source";
        AntlrSourceDirectorySet antlrSourceSet = objectFactory.newInstance(DefaultAntlrSourceDirectorySet.class, objectFactory.sourceDirectorySet(name, displayName));
        antlrSourceSet.getFilter().include("**/*.g");
        antlrSourceSet.getFilter().include("**/*.g4");
        return antlrSourceSet;
    }

     * is passed to the closure as its delegate.
     * <p>
     * See the example below how {@link org.gradle.api.tasks.SourceSet} 'main' is accessed and how the {@link org.gradle.api.file.SourceDirectorySet} 'java'
     * is configured to exclude some package from compilation.
     *
     * <pre class='autoTested'>
     * plugins {
     *     id 'java'
     * }
     *
     * sourceSets {
     *   main {