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