[FIR] Implement Native test infrastructure, add FirNativeSessionFactory

compiler/testData/diagnostics/nativeTests/identifiers.fir.kt

@@ -0,0 +1,68 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE -MISSING_DEPENDENCY_SUPERCLASS
+
+// FIXME: rename identifiers.kt
+
+// FILE: 1.kt
+package `check.pkg`
+
+// FILE: 2.kt
+package totally.normal.pkg
+
+class `Check.Class`
+class NormalClass {
+    fun `check$member`() {}
+}
+
+object `Check;Object`
+object NormalObject
+
+data class Pair(val first: Int, val `next,one`: Int)
+
+object Delegate {
+    operator fun getValue(thisRef: Any?, property: kotlin.reflect.KProperty<*>): Any? = null
+}
+
+fun `check(function`() {
+    val `check)variable` = 1
+    val `check[delegated[variable` by Delegate
+
+    val normalVariable = 2
+    val normalDelegatedVariable by Delegate
+
+    val (check, `destructuring]declaration`) = Pair(1, 2)
+}
+
+fun normalFunction() {}
+
+val `check{property` = 1
+val `check}delegated}property` by Delegate
+val normalProperty = 2
+val normalDelegatedProperty by Delegate
+
+fun checkValueParameter(`check/parameter`: Int) {}
+
+fun <`check<type<parameter`, normalTypeParameter> checkTypeParameter() {}
+
+enum class `Check>Enum>Entry` {
+    `CHECK:ENUM:ENTRY`;
+}
+
+typealias `check\typealias` = Any
+
+fun `check&`() {}
+
+fun `check~`() {}
+
+fun `check*`() {}
+
+fun `check?`() {}
+
+fun `check#`() {}
+
+fun `check|`() {}
+
+fun `check§`() {}
+
+fun `check%`() {}
+
+fun `check@`() {}