diff options
Diffstat (limited to 'src/compiler/scala/tools/nsc/backend/jvm/BCodeIdiomatic.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/backend/jvm/BCodeIdiomatic.scala | 45 |
1 files changed, 7 insertions, 38 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/jvm/BCodeIdiomatic.scala b/src/compiler/scala/tools/nsc/backend/jvm/BCodeIdiomatic.scala index 2343d378db..d58368b19d 100644 --- a/src/compiler/scala/tools/nsc/backend/jvm/BCodeIdiomatic.scala +++ b/src/compiler/scala/tools/nsc/backend/jvm/BCodeIdiomatic.scala @@ -19,16 +19,11 @@ import scala.collection.mutable * */ abstract class BCodeIdiomatic extends SubComponent { - protected val bCodeICodeCommon: BCodeICodeCommon[global.type] = new BCodeICodeCommon(global) - - val bTypes = new BTypes[global.type](global) { - def chrs = global.chrs - override type BTypeName = global.TypeName - override def createNewName(s: String) = global.newTypeName(s) - } + val bTypes = new BTypesFromSymbols[global.type](global) import global._ import bTypes._ + import coreBTypes._ val classfileVersion: Int = settings.target.value match { case "jvm-1.5" => asm.Opcodes.V1_5 @@ -40,9 +35,7 @@ abstract class BCodeIdiomatic extends SubComponent { val majorVersion: Int = (classfileVersion & 0xFF) val emitStackMapFrame = (majorVersion >= 50) - def mkFlags(args: Int*) = args.foldLeft(0)(_ | _) - - val extraProc: Int = mkFlags( + val extraProc: Int = GenBCode.mkFlags( asm.ClassWriter.COMPUTE_MAXS, if (emitStackMapFrame) asm.ClassWriter.COMPUTE_FRAMES else 0 ) @@ -52,15 +45,6 @@ abstract class BCodeIdiomatic extends SubComponent { val CLASS_CONSTRUCTOR_NAME = "<clinit>" val INSTANCE_CONSTRUCTOR_NAME = "<init>" - val ObjectReference = ClassBType("java/lang/Object") - val AnyRefReference = ObjectReference - val objArrayReference = ArrayBType(ObjectReference) - - val JAVA_LANG_OBJECT = ObjectReference - val JAVA_LANG_STRING = ClassBType("java/lang/String") - - var StringBuilderReference: BType = null - val EMPTY_STRING_ARRAY = Array.empty[String] val EMPTY_INT_ARRAY = Array.empty[Int] val EMPTY_LABEL_ARRAY = Array.empty[asm.Label] @@ -239,7 +223,7 @@ abstract class BCodeIdiomatic extends SubComponent { final def genStringConcat(el: BType) { val jtype = - if (el.isArray || el.isClass) JAVA_LANG_OBJECT + if (el.isArray || el.isClass) ObjectReference else el val bt = MethodBType(List(jtype), StringBuilderReference) @@ -266,7 +250,7 @@ abstract class BCodeIdiomatic extends SubComponent { assert( from.isNonVoidPrimitiveType && to.isNonVoidPrimitiveType, - s"Cannot emit primitive conversion from $from to $to" + s"Cannot emit primitive conversion from $from to $to - ${global.currentUnit}" ) def pickOne(opcs: Array[Int]) { // TODO index on to.sort @@ -537,7 +521,7 @@ abstract class BCodeIdiomatic extends SubComponent { final def emitTypeBased(opcs: Array[Int], tk: BType) { assert(tk != UNIT, tk) val opc = { - if (tk.isRef) { opcs(0) } + if (tk.isRef) { opcs(0) } else if (tk.isIntSizedType) { (tk: @unchecked) match { case BOOL | BYTE => opcs(1) @@ -648,7 +632,7 @@ abstract class BCodeIdiomatic extends SubComponent { */ final def coercionTo(code: Int): BType = { import scalaPrimitives._ - (code: @scala.annotation.switch) match { + (code: @switch) match { case B2B | C2B | S2B | I2B | L2B | F2B | D2B => BYTE case B2C | C2C | S2C | I2C | L2C | F2C | D2C => CHAR case B2S | C2S | S2S | I2S | L2S | F2S | D2S => SHORT @@ -659,21 +643,6 @@ abstract class BCodeIdiomatic extends SubComponent { } } - final val typeOfArrayOp: Map[Int, BType] = { - import scalaPrimitives._ - Map( - (List(ZARRAY_LENGTH, ZARRAY_GET, ZARRAY_SET) map (_ -> BOOL)) ++ - (List(BARRAY_LENGTH, BARRAY_GET, BARRAY_SET) map (_ -> BYTE)) ++ - (List(SARRAY_LENGTH, SARRAY_GET, SARRAY_SET) map (_ -> SHORT)) ++ - (List(CARRAY_LENGTH, CARRAY_GET, CARRAY_SET) map (_ -> CHAR)) ++ - (List(IARRAY_LENGTH, IARRAY_GET, IARRAY_SET) map (_ -> INT)) ++ - (List(LARRAY_LENGTH, LARRAY_GET, LARRAY_SET) map (_ -> LONG)) ++ - (List(FARRAY_LENGTH, FARRAY_GET, FARRAY_SET) map (_ -> FLOAT)) ++ - (List(DARRAY_LENGTH, DARRAY_GET, DARRAY_SET) map (_ -> DOUBLE)) ++ - (List(OARRAY_LENGTH, OARRAY_GET, OARRAY_SET) map (_ -> ObjectReference)) : _* - ) - } - /* * Collects (in `result`) all LabelDef nodes enclosed (directly or not) by each node it visits. * |