Compiling quasar files from the command line

quasar-scalac

#!/usr/bin/env bash
#
# Dependencies:
#   coursier ( on OSX: brew install --HEAD paulp/extras/coursier )
#   zinc     ( on OSX: brew install zinc )
#

set -euo pipefail

# You can compile code in different projects by overriding these, e.g.
#
# PROJECT=foundation SCOPE=test <qscalac> ./foundation/src/test/**/*.scala
#
: ${PROJECT=core}
: ${SCOPE=compile}

run () { echo >&2 "$@" && "$@"; }

scalacArgs () { cat <<EOM
-language:_
-target:jvm-1.8
-Ybackend:GenBCode
-Ydelambdafy:method
-Yno-imports
-Ypartial-unification
-Yliteral-types
-Ywarn-dead-code
-Ywarn-numeric-widen
-Ywarn-value-discard
-Ywarn-unused-import
EOM
}

scalacPlugins () { cat <<EOM
org.spire-math:kind-projector_2.11:0.8.2
com.github.mpilquist:simulacrum_2.11:0.7.0
org.scalamacros:paradise_2.11.8:2.1.0
org.wartremover:wartremover_2.11:1.1.1
EOM
}

expandPlugins () {
  for plugin in $(scalacPlugins); do
    marker="$(echo "$plugin" | sed 's/:.*//' | sed 's/.*[.]//')"
    coursier fetch $plugin | egrep "$marker"
  done
}

cpfile="$PROJECT/.classpath-$SCOPE"
[[ -s "$cpfile" ]] || {
  sbt "export $PROJECT/$SCOPE:fullClasspath" | tail -n1 | tr : "\n" > "$cpfile"
}

run zinc \
  -nailed \
  -scala-path $(coursier fetch org.typelevel:scala-compiler:2.11.8 | paste -sd: -) \
  -classpath "$(cat "$cpfile" | paste -sd: -)" \
  $(printf -- " -S-Xplugin:%s" $(expandPlugins)) \
  $(printf -- " -S%s" $(scalacArgs)) \
  "$@"

quasar-scalac-timings

#!/usr/bin/env bash
#

set -euo pipefail

export PROJECT SCOPE

# This setup echos the times to stderr as they accrue, then
# prints the whole list sorted by time to stdout when complete.
IFS='\n'
declare -a results=()
for file in "$@"; do
  elapsed="$( quasar-scalac -S-Ystop-before:jvm "$file" |& tail -n1 | perl -pe 's#^.*?[\s+]\[(.*?)\]#\1#' )"
  results+=( "$( printf "%-12s %s\n" $elapsed "$file" | tee /dev/stderr )" )
done

printf "\nSorted times:\n\n"
printf "%s\n" "${results[@]}" | gsort -nr

transcript.txt

% PROJECT=foundation quasar-scalac-timings foundation/src/main/scala/**/*e*.scala
0.533s   foundation/src/main/scala/quasar/Predef.scala
1.993s   foundation/src/main/scala/quasar/RenderTree.scala
0.386s   foundation/src/main/scala/quasar/concurrent/NamedDaemonThreadFactory.scala
0.528s   foundation/src/main/scala/quasar/fp/ExternallyManaged.scala
0.568s   foundation/src/main/scala/quasar/fp/TaskRef.scala
0.453s   foundation/src/main/scala/quasar/fp/binder/Binder.scala
0.826s   foundation/src/main/scala/quasar/fp/binder/package.scala
0.577s   foundation/src/main/scala/quasar/fp/catchable.scala
0.785s   foundation/src/main/scala/quasar/fp/eitherT.scala
0.536s   foundation/src/main/scala/quasar/fp/enumeratee.scala
0.627s   foundation/src/main/scala/quasar/fp/free/Interpreter.scala
0.616s   foundation/src/main/scala/quasar/fp/free/package.scala
0.589s   foundation/src/main/scala/quasar/fp/kleisli.scala
0.640s   foundation/src/main/scala/quasar/fp/numeric/package.scala
2.823s   foundation/src/main/scala/quasar/fp/package.scala
0.795s   foundation/src/main/scala/quasar/fp/process.scala

Sorted times:

2.823s   foundation/src/main/scala/quasar/fp/package.scala
1.993s   foundation/src/main/scala/quasar/RenderTree.scala
0.826s   foundation/src/main/scala/quasar/fp/binder/package.scala
0.795s   foundation/src/main/scala/quasar/fp/process.scala
0.785s   foundation/src/main/scala/quasar/fp/eitherT.scala
0.640s   foundation/src/main/scala/quasar/fp/numeric/package.scala
0.627s   foundation/src/main/scala/quasar/fp/free/Interpreter.scala
0.616s   foundation/src/main/scala/quasar/fp/free/package.scala
0.589s   foundation/src/main/scala/quasar/fp/kleisli.scala
0.577s   foundation/src/main/scala/quasar/fp/catchable.scala
0.568s   foundation/src/main/scala/quasar/fp/TaskRef.scala
0.536s   foundation/src/main/scala/quasar/fp/enumeratee.scala
0.533s   foundation/src/main/scala/quasar/Predef.scala
0.528s   foundation/src/main/scala/quasar/fp/ExternallyManaged.scala
0.453s   foundation/src/main/scala/quasar/fp/binder/Binder.scala
0.386s   foundation/src/main/scala/quasar/concurrent/NamedDaemonThreadFactory.scala