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/* NSC -- new Scala compiler
* Copyright 2005-2013 LAMP/EPFL
* @author Paul Phillips
*/
package scala.tools.nsc
package backend
import util.ClassPath
import io.AbstractFile
import scala.tools.nsc.classpath.FlatClassPath
/** The platform dependent pieces of Global.
*/
trait Platform {
val symbolTable: symtab.SymbolTable
import symbolTable._
/** The old, recursive implementation of compiler classpath. */
def classPath: ClassPath[AbstractFile]
/** The new implementation of compiler classpath. */
private[nsc] def flatClassPath: FlatClassPath
/** Update classpath with a substitution that maps entries to entries */
def updateClassPath(subst: Map[ClassPath[AbstractFile], ClassPath[AbstractFile]])
/** Any platform-specific phases. */
def platformPhases: List[SubComponent]
/** Symbol for a method which compares two objects. */
def externalEquals: Symbol
/** The various ways a boxed primitive might materialize at runtime. */
def isMaybeBoxed(sym: Symbol): Boolean
/**
* Tells whether a class with both a binary and a source representation
* (found in classpath and in sourcepath) should be re-compiled. Behaves
* on the JVM similar to javac, i.e. if the source file is newer than the classfile,
* a re-compile is triggered. On .NET by contrast classfiles always take precedence.
*/
def needCompile(bin: AbstractFile, src: AbstractFile): Boolean
}
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