sbt/compile/inc/Analysis.scala

55 lines
2.2 KiB
Scala

/* sbt -- Simple Build Tool
* Copyright 2010 Mark Harrah
*/
package sbt
package inc
import xsbti.api.Source
import java.io.File
trait Analysis
{
val stamps: Stamps
val apis: APIs
val relations: Relations
def ++(other: Analysis): Analysis
def -- (sources: Iterable[File]): Analysis
def copy(stamps: Stamps = stamps, apis: APIs = apis, relations: Relations = relations): Analysis
def addSource(src: File, api: Source, stamp: Stamp, internalDeps: Iterable[File]): Analysis
def addBinaryDep(src: File, dep: File, className: String, stamp: Stamp): Analysis
def addExternalDep(src: File, dep: String, api: Source): Analysis
def addProduct(src: File, product: File, stamp: Stamp): Analysis
}
object Analysis
{
lazy val Empty: Analysis = new MAnalysis(Stamps.empty, APIs.empty, Relations.empty)
}
private class MAnalysis(val stamps: Stamps, val apis: APIs, val relations: Relations) extends Analysis
{
def ++ (o: Analysis): Analysis = new MAnalysis(stamps ++ o.stamps, apis ++ o.apis, relations ++ o.relations)
def -- (sources: Iterable[File]): Analysis =
{
val newRelations = relations -- sources
def keep[T](f: (Relations, T) => Set[_]): T => Boolean = file => !f(newRelations, file).isEmpty
val newAPIs = apis.removeInternal(sources).filterExt( keep(_ usesExternal _) )
val newStamps = stamps.filter( keep(_ produced _), sources, keep(_ usesBinary _))
new MAnalysis(newStamps, newAPIs, newRelations)
}
def copy(stamps: Stamps, apis: APIs, relations: Relations): Analysis = new MAnalysis(stamps, apis, relations)
def addSource(src: File, api: Source, stamp: Stamp, internalDeps: Iterable[File]): Analysis =
copy( stamps.markInternalSource(src, stamp), apis.markInternalSource(src, api), relations.addInternalSrcDeps(src, internalDeps) )
def addBinaryDep(src: File, dep: File, className: String, stamp: Stamp): Analysis =
copy( stamps.markBinary(dep, className, stamp), apis, relations.addBinaryDep(src, dep) )
def addExternalDep(src: File, dep: String, depAPI: Source): Analysis =
copy( stamps, apis.markExternalAPI(dep, depAPI), relations.addExternalDep(src, dep) )
def addProduct(src: File, product: File, stamp: Stamp): Analysis =
copy( stamps.markProduct(product, stamp), apis, relations.addProduct(src, product) )
}