sbt.CompileSetup.scala Maven / Gradle / Ivy
/* sbt -- Simple Build Tool
* Copyright 2010 Mark Harrah
*/
package sbt
import xsbti.compile.{ CompileOrder, Output => APIOutput, SingleOutput, MultipleOutput}
import java.io.File
// this class exists because of Scala's restriction on implicit parameter search.
// We cannot require an implicit parameter Equiv[Seq[String]] to construct Equiv[CompileSetup]
// because complexity(Equiv[Seq[String]]) > complexity(Equiv[CompileSetup])
// (6 > 4)
final class CompileOptions(val options: Seq[String], val javacOptions: Seq[String])
final class CompileSetup(val output: APIOutput, val options: CompileOptions, val compilerVersion: String, val order: CompileOrder)
object CompileSetup
{
// Equiv[CompileOrder.Value] dominates Equiv[CompileSetup]
implicit def equivCompileSetup(implicit equivOutput: Equiv[APIOutput], equivOpts: Equiv[CompileOptions], equivComp: Equiv[String]/*, equivOrder: Equiv[CompileOrder]*/): Equiv[CompileSetup] = new Equiv[CompileSetup] {
def equiv(a: CompileSetup, b: CompileSetup) =
equivOutput.equiv(a.output, b.output) &&
equivOpts.equiv(a.options, b.options) &&
equivComp.equiv(a.compilerVersion, b.compilerVersion) &&
a.order == b.order // equivOrder.equiv(a.order, b.order)
}
implicit val equivFile: Equiv[File] = new Equiv[File] {
def equiv(a: File, b: File) = a.getAbsoluteFile == b.getAbsoluteFile
}
implicit val equivOutput: Equiv[APIOutput] = new Equiv[APIOutput] {
def equiv(out1: APIOutput, out2: APIOutput) = (out1, out2) match {
case (m1: MultipleOutput, m2: MultipleOutput) =>
m1.outputGroups zip (m2.outputGroups) forall {
case (a,b) =>
equivFile.equiv(a.sourceDirectory, b.sourceDirectory) && equivFile.equiv(a.outputDirectory, b.outputDirectory)
}
case (s1: SingleOutput, s2: SingleOutput) => equivFile.equiv(s1.outputDirectory, s2.outputDirectory)
case _ => false
}
}
implicit val equivOpts: Equiv[CompileOptions] = new Equiv[CompileOptions] {
def equiv(a: CompileOptions, b: CompileOptions) =
(a.options sameElements b.options) &&
(a.javacOptions sameElements b.javacOptions)
}
implicit val equivCompilerVersion: Equiv[String] = new Equiv[String] {
def equiv(a: String, b: String) = a == b
}
implicit val equivOrder: Equiv[CompileOrder] = new Equiv[CompileOrder] {
def equiv(a: CompileOrder, b: CompileOrder) = a == b
}
}
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