2025-06-10 00:07:48 +04:00

29 lines
1.1 KiB
Kotlin

package net.sergeych.lyng
class ObjInstance(override val objClass: ObjClass) : Obj() {
internal val publicFields = mutableSetOf<String>()
internal val protectedFields = mutableSetOf<String>()
internal lateinit var instanceContext: Context
override suspend fun readField(context: Context, name: String): ObjRecord {
return if( name in publicFields ) instanceContext[name]!!
else super.readField(context, name)
}
override suspend fun writeField(context: Context, name: String, newValue: Obj) {
if( name in publicFields ) {
val f = instanceContext[name]!!
if( !f.isMutable ) ObjIllegalAssignmentError(context, "can't reassign val $name").raise()
if( f.value.assign(context, newValue) == null)
f.value = newValue
}
else super.writeField(context, name, newValue)
}
override suspend fun invokeInstanceMethod(context: Context, name: String, args: Arguments): Obj {
if( name in publicFields ) return instanceContext[name]!!.value.invoke(context, this, args)
return super.invokeInstanceMethod(context, name, args)
}
}