build.wake

from wake import _
from api_firrtl_sifive import scalaModuleGenBuildInfo

def buildDir = mkdir "build/chisel3"

def scalacOpts = "-deprecation", "-feature", Nil

def chisel3Root = findGitRepositoryWithFallback "chisel3"

def readIvyDep regex =
  require Pass ivyDepsJSON = readIvyDepsJSON here
  require Some depString = ivyDepsJSON // regex // `dependencies` | getJString
  else Fail (makeError "{regex.regExpToString} ivy dependency not found in {here}/ivydependencies.json!")
  require Some dep = stringToIvyDep depString
  else Fail (makeError "Invalid {regex.regExpToString} dependency string: '{depString}'")
  Pass dep


# We ignore scalaVersion because it comes from ScalaModule
# The scalaVersion in ivydependencies.json is purely for fetching
def macrosParadiseIvyDep = readIvyDep `macrosParadise`

# Adds an a compiler plugin dependency on macros paradise
# If module is already broken, keeps old error
global def addMacrosParadiseCompilerPlugin module =
  match macrosParadiseIvyDep
    Pass dep = module | editScalaModuleCompilerPlugins (dep, _)
    Fail err = module | editScalaModuleError (orElse (Some err))

# TODO This should be default behavior in api-scala-sifive
def scalaModuleAddScalaVersionSourceDirs module =
  def major = module.getScalaModuleScalaVersion.scalaVersionMajorString
  def dir = "src/main/scala-{major}"
  module
  | editScalaModuleSourceDirs (dir, _)

# NOTE, currently unused, see addChisel3CompilerPlugin
global def chisel3Plugin =
  makeScalaModuleFromJSON here "chisel3Plugin"
  | setScalaModuleRootDir "{chisel3Root}/plugin"
  | scalaModuleAddScalaVersionSourceDirs

# We ignore scalaVersion because it comes from ScalaModule
# The scalaVersion in ivydependencies.json is purely for fetching
def chisel3PluginIvyDep = readIvyDep `chisel3PluginIvyDep`

# NOTE, this uses the published plugin because passing a path in the scalac options is sketchy -
#   we shouldn't use absolute paths but we don't know what to make the path relative to
# The rocket-chip SBT flow does the same thing (for different reasons)
global def addChisel3CompilerPlugin module =
  match chisel3PluginIvyDep
    Pass dep = module | editScalaModuleCompilerPlugins (dep, _)
    Fail err = module | editScalaModuleError (orElse (Some err))


global def chisel3CoreMacros =
  makeScalaModuleFromJSON here "chisel3Macros"
  | setScalaModuleRootDir "{chisel3Root}/macros"
  | setScalaModuleScalacOptions scalacOpts
  | addMacrosParadiseCompilerPlugin

global def chisel3Version = "3.4.0-RC3"

global def chisel3Frontend =
  def base =
    makeScalaModuleFromJSON here "chisel3Core"
    | setScalaModuleRootDir "{chisel3Root}/core"
    | setScalaModuleDeps (chisel3CoreMacros, firrtlScalaModule, Nil)
    | setScalaModuleScalacOptions scalacOpts
    | addMacrosParadiseCompilerPlugin
  def genSrcs Unit = scalaModuleGenBuildInfo base "chisel3" chisel3Version buildDir, Nil
  base
  | setScalaModuleFnGeneratedSources genSrcs

global def chisel3ScalaModule =
  makeScalaModuleFromJSON here "chisel3"
  | setScalaModuleRootDir chisel3Root
  | setScalaModuleDeps (chisel3Frontend, Nil)
  | setScalaModuleScalacOptions scalacOpts
  | addMacrosParadiseCompilerPlugin
  | addChisel3CompilerPlugin