sbt/util/datatype/GenerateDatatypes.scala

40 lines
1.1 KiB
Scala

/* sbt -- Simple Build Tool
* Copyright 2009, 2010 Mark Harrah
*/
package xsbt.api
import java.io.File
/** Generates a datatype hierarchy from a definition file.*/
object GenerateDatatypes
{
/** Arguments: ('mutable' | 'immutable') <base package name> <base directory> <input file>+*/
def main(args: Array[String])
{
if(args.length < 4)
{
System.err.println("Invalid number of arguments, expected 'mutable' or 'immutable', package, base directory, and files to process")
System.exit(1)
}
else
{
val immutable = args(0).trim.toLowerCase == "immutable"
val packageName = args(1).trim
require(!packageName.isEmpty)
val baseDirectory = new File(args(2))
baseDirectory.mkdirs
val files = args.drop(3).map(new File(_))
// parse the files, getting all interface and enums
val parser = new DatatypeParser
val definitions = files.flatMap(parser.parseFile)
// create the interfaces, enums, and class implementations
val generator = if(immutable) new ImmutableGenerator(packageName, baseDirectory) else new MutableGenerator(packageName, baseDirectory)
generator.writeDefinitions(definitions)
}
}
}