1 files changed, 0 insertions, 141 deletions
diff --git a/src/dotty/tools/dotc/core/tasty/TastyReader.scala b/src/dotty/tools/dotc/core/tasty/TastyReader.scala
deleted file mode 100644
index e583c4793..000000000
--- a/src/dotty/tools/dotc/core/tasty/TastyReader.scala
+++ /dev/null
@@ -1,141 +0,0 @@
-package dotty.tools
-package dotc
-package core
-package tasty
-
-import TastyBuffer._
-import TastyName.NameRef
-import collection.mutable
-
-/** A byte array buffer that can be filled with bytes or natural numbers in TASTY format,
- *  and that supports reading and patching addresses represented as natural numbers.
- *
- *  @param bytes    The array containing data
- *  @param start    The position from which to read
- *  @param end      The position one greater than the last byte to be read
- *  @param base     The index referenced by the logical zero address Addr(0)
- */
-class TastyReader(val bytes: Array[Byte], start: Int, end: Int, val base: Int = 0) {
-
-  def this(bytes: Array[Byte]) = this(bytes, 0, bytes.length)
-
-  private var bp: Int = start
-
-  def addr(idx: Int) = Addr(idx - base)
-  def index(addr: Addr) = addr.index + base
-
-  /** The address of the first byte to read, respectively byte that was read */
-  def startAddr: Addr = addr(start)
-
-  /** The address of the next byte to read */
-  def currentAddr: Addr = addr(bp)
-
-  /** the address one greater than the last brte to read */
-  def endAddr: Addr = addr(end)
-
-  /** Have all bytes been read? */
-  def isAtEnd: Boolean = bp == end
-
-  /** A new reader over the same array with the same address base, but with
-   *  specified start and end positions
-   */
-  def subReader(start: Addr, end: Addr): TastyReader =
-    new TastyReader(bytes, index(start), index(end), base)
-
-  /** Read a byte of data. */
-  def readByte(): Int = {
-    val result = bytes(bp) & 0xff
-    bp += 1
-    result
-  }
-
-  /** Returns the next byte of data as a natural number without advancing the read position */
-  def nextByte: Int = bytes(bp) & 0xff
-
-  /** Read the next `n` bytes of `data`. */
-  def readBytes(n: Int): Array[Byte] = {
-    val result = new Array[Byte](n)
-    Array.copy(bytes, bp, result, 0, n)
-    bp += n
-    result
-  }
-
-  /** Read a natural number fitting in an Int in big endian format, base 128.
-   *  All but the last digits have bit 0x80 set.
-   */
-  def readNat(): Int = readLongNat.toInt
-
-  /** Read an integer number in 2's complement big endian format, base 128.
-   *  All but the last digits have bit 0x80 set.
-   */
-  def readInt(): Int = readLongInt.toInt
-
-  /** Read a natural number fitting in a Long in big endian format, base 128.
-   *  All but the last digits have bit 0x80 set.
-   */
-  def readLongNat(): Long = {
-    var b = 0L
-    var x = 0L
-    do {
-      b = bytes(bp)
-      x = (x << 7) | (b & 0x7f)
-      bp += 1
-    } while ((b & 0x80) == 0)
-    x
-  }
-
-  /** Read a long integer number in 2's complement big endian format, base 128. */
-  def readLongInt(): Long = {
-    var b = bytes(bp)
-    var x: Long = (b << 1).toByte >> 1 // sign extend with bit 6.
-    bp += 1
-    while ((b & 0x80) == 0) {
-      b = bytes(bp)
-      x = (x << 7) | (b & 0x7f)
-      bp += 1
-    }
-    x
-  }
-
-  /** Read an uncompressed Long stored in 8 bytes in big endian format */
-  def readUncompressedLong(): Long = {
-    var x: Long = 0
-    for (i <- 0 to 7)
-      x = (x << 8) | (readByte() & 0xff)
-    x
-  }
-
-  /** Read a natural number and return as a NameRef */
-  def readNameRef() = NameRef(readNat())
-
-  /** Read a natural number and return as an address */
-  def readAddr() = Addr(readNat())
-
-  /** Read a length number and return the absolute end address implied by it,
-   *  given as <address following length field> + <length-value-read>.
-   */
-  def readEnd(): Addr = addr(readNat() + bp)
-
-  /** Set read position to the one pointed to by `addr` */
-  def goto(addr: Addr): Unit =
-    bp = index(addr)
-
-  /** Perform `op` until `end` address is reached and collect results in a list. */
-  def until[T](end: Addr)(op: => T): List[T] = {
-    val buf = new mutable.ListBuffer[T]
-    while (bp < index(end)) buf += op
-    assert(bp == index(end))
-    buf.toList
-  }
-
-  /** If before given `end` address, the result of `op`, otherwise `default` */
-  def ifBefore[T](end: Addr)(op: => T, default: T): T =
-    if (bp < index(end)) op else default
-
-  /** Perform `op` while cindition `cond` holds and collect results in a list. */
-  def collectWhile[T](cond: => Boolean)(op: => T): List[T] = {
-    val buf = new mutable.ListBuffer[T]
-    while (cond) buf += op
-    buf.toList
-  }
-}