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import kotlinx.serialization.*
import kotlinx.serialization.json.*
import kotlinx.serialization.descriptors.*
import kotlinx.serialization.encoding.*
import me.any.*
object AccessSerializer : KSerializer<Access> {
override fun deserialize(decoder: Decoder): Access {
val jsonDecoder = decoder as JsonDecoder
val jsonElement = jsonDecoder.decodeJsonElement() as JsonObject
when {
"address" in jsonElement.keys -> {
return Address(jsonElement["address"]!!.jsonPrimitive.int)
}
"sAddress" in jsonElement.keys -> {
return SAccess(
jsonElement["sAddress"]!!.jsonObject["sAddress"]!!.let {
jsonDecoder.json.decodeFromJsonElement<Access>(it)
}
)
}
else -> {
throw SerializationException("Unknown access")
}
}
}
override val descriptor: SerialDescriptor
get() = PolymorphicSerializer(Access::class).descriptor
override fun serialize(encoder: Encoder, value: Access) {
TODO("Not yet implemented")
}
}
object AddresationSerializer : KSerializer<Addresation> {
override val descriptor: SerialDescriptor
get() = PolymorphicSerializer(Addresation::class).descriptor
override fun deserialize(decoder: Decoder): Addresation {
val jsonDecoder = decoder as JsonDecoder
val jsonElement = jsonDecoder.decodeJsonElement() as JsonObject
println(jsonElement)
when {
"access" in jsonElement.keys -> {
return AddressAddresation(
jsonElement["access"]!!.let {
jsonDecoder.json.decodeFromJsonElement<Access>(it)
}
)
}
"binaryOperation" in jsonElement.keys -> {
val binaryOperation = jsonElement["binaryOperation"]!!.jsonObject
return BinaryOperation(
Operation.valueOf(binaryOperation["op"]!!.jsonPrimitive.content),
jsonDecoder.json.decodeFromJsonElement<Access>(binaryOperation["a"]!!),
jsonDecoder.json.decodeFromJsonElement<Access>(binaryOperation["b"]!!)
)
}
else -> {
throw SerializationException("Unknown addresation")
}
}
}
override fun serialize(encoder: Encoder, value: Addresation) {
TODO("Not yet implemented")
}
}
object InstructionSerializer : KSerializer<Instruction> {
override fun deserialize(decoder: Decoder): Instruction {
val jsonDecoder = decoder as JsonDecoder
val jsonElement = jsonDecoder.decodeJsonElement() as JsonObject
when {
"comment" in jsonElement.keys -> {
return Comment(jsonElement["comment"]!!.jsonPrimitive.content)
}
"write" in jsonElement.keys -> {
val write = jsonElement["write"]!!.jsonObject
return Write(
write["target"]!!.jsonPrimitive.int,
jsonDecoder.json.decodeFromJsonElement<Addresation>(write["source"]!!)
)
}
"label" in jsonElement.keys -> {
return Label(jsonElement["label"]!!.jsonPrimitive.content)
}
"goto" in jsonElement.keys -> {
return GoTo(jsonElement["goto"]!!.jsonPrimitive.content)
}
"branch" in jsonElement.keys -> {
val branch = jsonElement["branch"]!!.jsonObject
return Branch(
BranchPolarity.valueOf(branch["polarity"]!!.jsonPrimitive.content),
jsonDecoder.json.decodeFromJsonElement<Address>(branch["address"]!!),
branch["label"]!!.jsonPrimitive.content
)
}
else -> {
throw SerializationException("Unknown instruction" + jsonElement.keys)
}
}
}
override val descriptor: SerialDescriptor
get() = PolymorphicSerializer(Instruction::class).descriptor
override fun serialize(encoder: Encoder, value: Instruction) {
TODO("Not yet implemented")
}
}
fun main() {
val program = Json.decodeFromString<Program>(INPUT)
println(transpileProgram(program))
}
const val C_RUNTIME = """
#include <stdio.h>
int main() {
void* heap = malloc(1024);
%code%
return 0;
}
"""
fun transpileProgram(program: Program): String {
val instructions = program.instructions.joinToString("\n") {
when (it) {
is Comment -> "// ${it.comment}"
is Write -> "heap[${it.target}] = ${transpileAddresation(it.source)};"
is Label -> "${it.label}:"
is GoTo -> "goto ${it.label};"
is Branch -> "if (heap[${transpileAccess(it.address)}] ${if (it.polarity == BranchPolarity.IFFALSE) "!" else ""}= 0) goto ${it.label};"
else -> {
throw IllegalArgumentException("Unknown instruction")
}
}
}
return C_RUNTIME.replace("%code%", instructions)
}
fun transpileAddresation(addresation: Addresation): String {
return when (addresation) {
is AddressAddresation -> transpileAccess(addresation.address)
is BinaryOperation -> {
val left = transpileAccess(addresation.left)
val right = transpileAccess(addresation.right)
return when (addresation.op) {
Operation.ADD -> "$left + $right"
Operation.SUB -> "$left - $right"
Operation.MUL -> "$left * $right"
Operation.DIV -> "$left / $right"
Operation.AND -> "$left & $right"
Operation.OR -> "$left | $right"
Operation.XOR -> "$left ^ $right"
}
}
else -> {
throw IllegalArgumentException("Unknown addresation")
}
}
}
fun transpileAddress(address: Address): String {
return "&heap[${address.address}]"
}
fun transpileAccess(access: Access): String {
return when (access) {
is Address -> transpileAddress(access)
is SAccess -> "heap[${transpileAccess(access.sAddress)}]"
else -> {
throw IllegalArgumentException("Unknown access")
}
}
}
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