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/*
Copyright (c) 2014 - 2016 The Regents of the University of
California (Regents). All Rights Reserved. Redistribution and use in
source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the following
two paragraphs of disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
two paragraphs of disclaimer in the documentation and/or other materials
provided with the distribution.
* Neither the name of the Regents nor the names of its contributors
may be used to endorse or promote products derived from this
software without specific prior written permission.
IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
REGENTS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. THE SOFTWARE AND ACCOMPANYING DOCUMENTATION, IF
ANY, PROVIDED HEREUNDER IS PROVIDED "AS IS". REGENTS HAS NO OBLIGATION
TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.
*/
package firrtl
import java.io._
import java.nio.file.{Paths, Files}
import scala.io.Source
import scala.sys.process._
import com.typesafe.scalalogging.LazyLogging
import Utils._
object Driver extends LazyLogging {
private val usage = """
Usage: sbt "run-main firrtl.Driver -i <input_file> -o <output_file> -X <compiler>"
firrtl -i <input_file> -o <output_file> -X <compiler>
Options:
-X <compiler> Specify the target language
Currently supported: verilog firrtl
"""
private val defaultOptions = Map[Symbol, Any]().withDefaultValue(false)
def compile(input: String, output: String, compiler: Compiler)
{
val parsedInput = Parser.parse(input, Source.fromFile(input).getLines)
val writerOutput = new PrintWriter(new File(output))
compiler.run(parsedInput, writerOutput)
writerOutput.close
}
def main(args: Array[String])
{
val arglist = args.toList
type OptionMap = Map[Symbol, Any]
def nextOption(map: OptionMap, list: List[String]): OptionMap = {
list match {
case Nil => map
case "-X" :: value :: tail =>
nextOption(map ++ Map('compiler -> value), tail)
case "-i" :: value :: tail =>
nextOption(map ++ Map('input -> value), tail)
case "-o" :: value :: tail =>
nextOption(map ++ Map('output -> value), tail)
case ("-h" | "--help") :: tail =>
nextOption(map ++ Map('help -> true), tail)
case option :: tail =>
throw new Exception("Unknown option " + option)
}
}
val options = nextOption(defaultOptions, arglist)
if (options('help) == true) {
println(usage)
System.exit(0)
}
val input = options('input) match {
case s: String => s
case false => throw new Exception("No input file provided!" + usage)
}
val output = options('output) match {
case s: String => s
case false => throw new Exception("No output file provided!" + usage)
}
options('compiler) match {
case "verilog" => compile(input, output, VerilogCompiler)
case "firrtl" => compile(input, output, FIRRTLCompiler)
case other => throw new Exception("Invalid compiler! " + other)
}
}
}
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