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Moved some code in the IntCodeProgram around

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Bas Dado
2019-12-09 22:27:34 +01:00
parent c80252a682
commit f422159eb1
2 changed files with 48 additions and 48 deletions
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80
src/main/kotlin/com/basdado/adventofcode/IntCodeProgram.kt
View File

@@ -21,34 +21,6 @@ fun loadProgramData(inputPath: String): LongArray {
return line(inputPath).split(",").map { it.toLong() }.toLongArray()
}
class Instruction(
val paramModes: Array<ParamMode>,
val opcode: OpCode,
val pos: Int
) {
companion object {
fun parse(input: Long, pointer: Int, opcodes: Map<Long, OpCode>): Instruction {
val opcode = opcodes[input % 100] ?: throw IllegalArgumentException("Unknown opcode for operation $input")
val paramModes = Array<ParamMode>(opcode.paramCount) { ParamMode.POSITION }
for (i in 0 until opcode.paramCount) {
val paramMode = (input % pow10(i + 3)) / pow10(i + 2)
paramModes[i] = when (paramMode) {
0L -> ParamMode.POSITION
1L -> ParamMode.IMMEDIATE
2L -> ParamMode.RELATIVE
else -> throw IllegalStateException("Unknown parameter mode: $paramMode")
}
}
return Instruction(paramModes, opcode, pointer)
}
}
}
enum class ParamMode {
POSITION, IMMEDIATE, RELATIVE
}
class IntCodeProgram(val data: LongArray, var inputs: LongArray, val opCodes: Map<Long, OpCode> = FULL_OPCODES,
var pointer: Int = 0) {
@@ -117,22 +89,40 @@ class IntCodeProgram(val data: LongArray, var inputs: LongArray, val opCodes: Ma
}
}
fun pow10(n: Int): Int {
return when (n) {
0 -> 1
1 -> 10
2 -> 100
3 -> 1000
4 -> 10000
5 -> 100000
6 -> 1000000
7 -> 10000000
8 -> 100000000
9 -> 1000000000
else -> throw IllegalArgumentException("Int overflowing with pow10($n)")
class Instruction(
val paramModes: Array<ParamMode>,
val opcode: OpCode,
val pos: Int
) {
companion object {
fun parse(input: Long, pointer: Int, opcodes: Map<Long, OpCode>): Instruction {
val opcode = opcodes[input % 100] ?: throw IllegalArgumentException("Unknown opcode for operation $input")
val paramModes = Array(opcode.paramCount) { ParamMode.POSITION }
for (i in 0 until opcode.paramCount) {
val paramMode = (input % pow10(i + 3)) / pow10(i + 2)
paramModes[i] = when (paramMode) {
0L -> ParamMode.POSITION
1L -> ParamMode.IMMEDIATE
2L -> ParamMode.RELATIVE
else -> throw IllegalStateException("Unknown parameter mode: $paramMode")
}
}
return Instruction(paramModes, opcode, pointer)
}
}
}
enum class ParamMode {
POSITION, IMMEDIATE, RELATIVE
}
data class OpCode(val code: Long, val paramCount: Int, val operation: (instruction: Instruction, intCodeProgram: IntCodeProgram) -> OperationResult)
data class OperationResult(val moveToNextInstruction: Boolean = true, val output: Long? = null)
private val VOID = OperationResult()
fun add(instruction: Instruction, program: IntCodeProgram): OperationResult {
program.setValue(instruction, 2, program.getValue(instruction, 0) + program.getValue(instruction, 1))
return VOID
@@ -187,10 +177,4 @@ fun equals(instruction: Instruction, program: IntCodeProgram): OperationResult {
fun adjustRelativeBase(instruction: Instruction, program: IntCodeProgram): OperationResult {
program.relativeBase += program.getValue(instruction, 0)
return VOID
}
data class OpCode(val code: Long, val paramCount: Int, val operation: (instruction: Instruction, intCodeProgram: IntCodeProgram) -> OperationResult)
data class OperationResult(val moveToNextInstruction: Boolean = true, val output: Long? = null)
private val VOID = OperationResult()
}

16
src/main/kotlin/com/basdado/adventofcode/Utils.kt
View File

@@ -12,4 +12,20 @@ fun line(resourceFile: String): String {
return lines(resourceFile).findFirst().get()
}
fun pow10(n: Int): Int {
return when (n) {
0 -> 1
1 -> 10
2 -> 100
3 -> 1000
4 -> 10000
5 -> 100000
6 -> 1000000
7 -> 10000000
8 -> 100000000
9 -> 1000000000
else -> throw IllegalArgumentException("Int overflowing with pow10($n)")
}
}
class Utils