package mtmc.asm.data

import mtmc.asm.ASMElement
import mtmc.asm.Assembler
import mtmc.tokenizer.MTMCToken

class Data(labels: MutableList<MTMCToken>, lineNumber: Int) : ASMElement(labels, lineNumber) {
  var valueToken: MTMCToken? = null
  private var value: ByteArray = ByteArray(0)

  override var sizeInBytes: Int
    get() = value.size
    set(value) {}

  fun genData(dataBytes: ByteArray, assembler: Assembler) {
    val offset = location - assembler.instructionsSizeInBytes
    for (i in 0..<sizeInBytes) {
      val dataByte = value[i]
      dataBytes[offset + i] = dataByte
    }
  }

  fun setValue(src: MTMCToken, value: ByteArray) {
    this.valueToken = src
    this.value = value
  }

  override fun toString(): String {
    return "Data{" +
        "value=" + value.contentToString() +
        '}'
  }

  override fun addError(err: String) {
    addError(labels.last(), err)
  }
}