57 lines
1.4 KiB
Scala
57 lines
1.4 KiB
Scala
package wacc
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import scala.collection.mutable
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import parsley.{Failure, Success}
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import scopt.OParser
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import java.io.File
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case class CliConfig(
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file: File = new File(".")
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)
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val cliBuilder = OParser.builder[CliConfig]
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val cliParser = {
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import cliBuilder._
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OParser.sequence(
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programName("wacc-compiler"),
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help('h', "help")
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.text("Prints this help message"),
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arg[File]("<file>")
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.text("Input WACC source file")
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.required()
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.action((f, c) => c.copy(file = f))
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.validate(f =>
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if (!f.exists) failure("File does not exist")
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else if (!f.isFile) failure("File must be a regular file")
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else if (!f.getName.endsWith(".wacc"))
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failure("File must have .wacc extension")
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else success
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)
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)
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}
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def compile(contents: String): Int = {
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parser.parse(contents) match {
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case Success(ast) =>
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given errors: mutable.Builder[Error, List[Error]] = List.newBuilder
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renamer.rename(ast)
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// given ctx: types.TypeCheckerCtx[List[Error]] =
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// types.TypeCheckerCtx(names, errors)
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// types.check(ast)
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if (errors.result.nonEmpty) {
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errors.result.foreach(println)
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200
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} else 0
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case Failure(msg) =>
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println(msg)
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100
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}
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}
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def main(args: Array[String]): Unit =
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OParser.parse(cliParser, args, CliConfig()) match {
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case Some(config) =>
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System.exit(compile(os.read(os.Path(config.file.getAbsolutePath))))
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case None =>
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}
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