Override the bulk version of read for efficiency

retronym · adriaanm · commit 4686e30cb37f · 2019-03-18T14:03:12.000+01:00
diff --git a/src/compiler/scala/tools/nsc/symtab/classfile/ReusableDataReader.scala b/src/compiler/scala/tools/nsc/symtab/classfile/ReusableDataReader.scala
@@ -27,6 +27,13 @@ final class ReusableDataReader() extends DataReader {
       } catch {
         case _: BufferUnderflowException => -1
       }
+
+      override def read(b: Array[Byte], off: Int, len: Int): Int = {
+        val pos = bb.position()
+        bb.get(b, off, len)
+        bb.position() - pos
+      }
+
       override def markSupported(): Boolean = false
     }
     new DataInputStream(stream)

Original file line number	Diff line number	Diff line change
`@@ -27,6 +27,13 @@ final class ReusableDataReader() extends DataReader {`
`27`	`27`	`} catch {`
`28`	`28`	`case _: BufferUnderflowException => -1`
`29`	`29`	`}`
	`30`	`+`
	`31`	`+ override def read(b: Array[Byte], off: Int, len: Int): Int = {`
	`32`	`+ val pos = bb.position()`
	`33`	`+ bb.get(b, off, len)`
	`34`	`+ bb.position() - pos`
	`35`	`+ }`
	`36`	`+`
`30`	`37`	`override def markSupported(): Boolean = false`
`31`	`38`	`}`
`32`	`39`	`new DataInputStream(stream)`