mirror of https://github.com/sbt/sbt.git
72 lines
2.2 KiB
Scala
72 lines
2.2 KiB
Scala
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package xsbt
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import xsbti.compile.SingleOutput
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import java.io.File
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import _root_.scala.tools.nsc.reporters.ConsoleReporter
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import _root_.scala.tools.nsc.Settings
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import xsbti._
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import xsbti.api.SourceAPI
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import sbt.IO.withTemporaryDirectory
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import xsbti.api.ClassLike
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import xsbti.api.Definition
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import xsbti.api.Def
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import xsbt.api.SameAPI
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import sbt.ConsoleLogger
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/**
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* Provides common functionality needed for unit tests that require compiling
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* source code using Scala compiler.
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*/
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class ScalaCompilerForUnitTesting {
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/**
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* Compiles given source code using Scala compiler and returns API representation
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* extracted by ExtractAPI class.
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*/
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def compileSrc(src: String): SourceAPI = {
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import java.io.FileWriter
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withTemporaryDirectory { temp =>
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val analysisCallback = new TestCallback
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val classesDir = new File(temp, "classes")
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classesDir.mkdir()
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val compiler = prepareCompiler(classesDir, analysisCallback)
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val run = new compiler.Run
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val srcFile = new File(temp, "Test.scala")
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srcFile.createNewFile()
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val fw = new FileWriter(srcFile)
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fw.write(src)
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fw.close()
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run.compile(List(srcFile.getAbsolutePath()))
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analysisCallback.apis(srcFile)
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}
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}
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private def prepareCompiler(outputDir: File, analysisCallback: AnalysisCallback): CachedCompiler0#Compiler = {
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val args = Array.empty[String]
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object output extends SingleOutput {
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def outputDirectory: File = outputDir
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}
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val weakLog = new WeakLog(ConsoleLogger(), ConsoleReporter)
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val cachedCompiler = new CachedCompiler0(args, output, weakLog, false)
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val settings = cachedCompiler.settings
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settings.usejavacp.value = true
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val scalaReporter = new ConsoleReporter(settings)
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val delegatingReporter = DelegatingReporter(settings, ConsoleReporter)
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val compiler = cachedCompiler.compiler
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compiler.set(analysisCallback, delegatingReporter)
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compiler
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}
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private object ConsoleReporter extends Reporter {
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def reset(): Unit = ()
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def hasErrors: Boolean = false
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def hasWarnings: Boolean = false
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def printWarnings(): Unit = ()
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def problems: Array[Problem] = Array.empty
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def log(pos: Position, msg: String, sev: Severity): Unit = println(msg)
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def comment(pos: Position, msg: String): Unit = ()
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def printSummary(): Unit = ()
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}
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}
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