it.unibo.collektive.AlignmentCommandLineProcessor.kt Maven / Gradle / Ivy

Go to download
package it.unibo.collektive

import org.jetbrains.kotlin.compiler.plugin.AbstractCliOption
import org.jetbrains.kotlin.compiler.plugin.CliOption
import org.jetbrains.kotlin.compiler.plugin.CommandLineProcessor
import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
import org.jetbrains.kotlin.config.CompilerConfiguration
import org.jetbrains.kotlin.config.CompilerConfigurationKey

/**
 * The command line processor is used to define the expected command line
 * option, which enable or disable the plugin that is responsible for the alignment.
 */
@OptIn(ExperimentalCompilerApi::class)
class AlignmentCommandLineProcessor : CommandLineProcessor {
    companion object {
        private const val OPTION_ENABLED = "collektiveEnabled"

        /**
         * The key used by the compiler to enable or disable the plugin.
         */
        val ARG_ENABLED = CompilerConfigurationKey(OPTION_ENABLED)

        /**
         * The plugin id used to identify the plugin in the compiler.
         */
        const val PLUGIN_ID = BuildConfig.KOTLIN_PLUGIN_ID
    }

    override val pluginId: String = PLUGIN_ID

    override val pluginOptions: Collection = listOf(
        CliOption(
            optionName = OPTION_ENABLED,
            valueDescription = "bool ",
            description = "If the alignment plugin should be applied",
            required = false,
        ),
    )

    override fun processOption(
        option: AbstractCliOption,
        value: String,
        configuration: CompilerConfiguration,
    ) {
        return when (option.optionName) {
            OPTION_ENABLED -> configuration.put(ARG_ENABLED, value.toBoolean())
            else -> throw IllegalArgumentException("Unexpected config option ${option.optionName}")
        }
    }
}