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-rw-r--r--src/compiler/scala/tools/nsc/backend/icode/ICodes.scala102
1 files changed, 1 insertions, 101 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala b/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala
index 10f0c6ee00..69fe828be8 100644
--- a/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala
+++ b/src/compiler/scala/tools/nsc/backend/icode/ICodes.scala
@@ -7,97 +7,17 @@ package scala.tools.nsc
package backend
package icode
-import java.io.PrintWriter
-import analysis.{ Liveness, ReachingDefinitions }
-import scala.tools.nsc.symtab.classfile.ICodeReader
-import scala.reflect.io.AbstractFile
-
/** Glue together ICode parts.
*
* @author Iulian Dragos
*/
abstract class ICodes extends AnyRef
with Members
- with BasicBlocks
- with Opcodes
- with TypeStacks
with TypeKinds
- with ExceptionHandlers
with Primitives
- with Linearizers
- with Printers
- with Repository
{
val global: Global
- import global.{ log, definitions, settings, perRunCaches, devWarning }
-
- /** The ICode representation of classes */
- val classes = perRunCaches.newMap[global.Symbol, IClass]()
-
- /** Debugging flag */
- def shouldCheckIcode = settings.check contains global.genicode.phaseName
- def checkerDebug(msg: String) = if (shouldCheckIcode && global.settings.debug) println(msg)
-
- /** The ICode linearizer. */
- val linearizer: Linearizer = settings.Xlinearizer.value match {
- case "rpo" => new ReversePostOrderLinearizer()
- case "dfs" => new DepthFirstLinerizer()
- case "normal" => new NormalLinearizer()
- case "dump" => new DumpLinearizer()
- case x => global.abort("Unknown linearizer: " + x)
- }
-
- def newTextPrinter() =
- new TextPrinter(new PrintWriter(Console.out, true), new DumpLinearizer)
-
- /** Have to be careful because dump calls around, possibly
- * re-entering methods which initiated the dump (like foreach
- * in BasicBlocks) which leads to the icode output olympics.
- */
- private var alreadyDumping = false
-
- /** Print all classes and basic blocks. Used for debugging. */
-
- def dumpClassesAndAbort(msg: String): Nothing = {
- if (alreadyDumping) global.abort(msg)
- else alreadyDumping = true
-
- Console.println(msg)
- val printer = newTextPrinter()
- classes.values foreach printer.printClass
- global.abort(msg)
- }
-
- def dumpMethodAndAbort(m: IMethod, msg: String): Nothing = {
- Console.println("Fatal bug in inlinerwhile traversing " + m + ": " + msg)
- m.dump()
- global.abort("" + m)
- }
- def dumpMethodAndAbort(m: IMethod, b: BasicBlock): Nothing =
- dumpMethodAndAbort(m, "found open block " + b + " " + b.flagsString)
-
- def checkValid(m: IMethod) {
- // always slightly dicey to iterate over mutable structures
- m foreachBlock { b =>
- if (!b.closed) {
- // Something is leaving open/empty blocks around (see SI-4840) so
- // let's not kill the deal unless it's nonempty.
- if (b.isEmpty) {
- devWarning(s"Found open but empty block while inlining $m: removing from block list.")
- m.code removeBlock b
- }
- else dumpMethodAndAbort(m, b)
- }
- }
- }
-
- object liveness extends Liveness {
- val global: ICodes.this.global.type = ICodes.this.global
- }
-
- object reachingDefinitions extends ReachingDefinitions {
- val global: ICodes.this.global.type = ICodes.this.global
- }
+ import global.definitions
lazy val AnyRefReference: TypeKind = REFERENCE(definitions.AnyRefClass)
lazy val BoxedUnitReference: TypeKind = REFERENCE(definitions.BoxedUnitClass)
@@ -105,25 +25,5 @@ abstract class ICodes extends AnyRef
lazy val NullReference: TypeKind = REFERENCE(definitions.NullClass)
lazy val ObjectReference: TypeKind = REFERENCE(definitions.ObjectClass)
lazy val StringReference: TypeKind = REFERENCE(definitions.StringClass)
-
- object icodeReader extends ICodeReader {
- lazy val global: ICodes.this.global.type = ICodes.this.global
- import global._
- def lookupMemberAtTyperPhaseIfPossible(sym: Symbol, name: Name): Symbol =
- global.loaders.lookupMemberAtTyperPhaseIfPossible(sym, name)
- lazy val symbolTable: global.type = global
- lazy val loaders: global.loaders.type = global.loaders
-
- def classFileLookup: util.ClassFileLookup[AbstractFile] = global.classPath
- }
-
- /** A phase which works on icode. */
- abstract class ICodePhase(prev: Phase) extends global.GlobalPhase(prev) {
- override def erasedTypes = true
- override def apply(unit: global.CompilationUnit): Unit =
- unit.icode foreach apply
-
- def apply(cls: global.icodes.IClass): Unit
- }
}