fix: MemoryPressureWatch= no longer flags invalid values (Resolves #429)

src/main/kotlin/net/sjrx/intellij/plugins/systemdunitfiles/semanticdata/optionvalues/AiGenerated.kt

@@ -123,7 +123,7 @@ fun getAllAIGeneratedValidators(): Map<Validator, OptionValueInformation> {
     Validator("config_parse_macvlan_broadcast_queue_threshold", "0") to ConfigParseMacvlanBroadcastQueueThresholdOptionValue() as OptionValueInformation,
     Validator("config_parse_macvlan_mode", "0") to ConfigParseMacvlanModeOptionValue() as OptionValueInformation,
     Validator("config_parse_mdi", "0") to ConfigParseMdiOptionValue() as OptionValueInformation,
-    Validator("config_parse_memory_pressure_watch", "0") to ConfigParseMemoryPressureWatchOptionValue() as OptionValueInformation,
+    Validator("config_parse_pressure_watch", "0") to ConfigParseMemoryPressureWatchOptionValue() as OptionValueInformation,
     Validator("config_parse_mtu", "AF_INET6") to ConfigParseMtuOptionValue() as OptionValueInformation,
     Validator("config_parse_multicast_router", "0") to ConfigParseMulticastRouterOptionValue() as OptionValueInformation,
     Validator("config_parse_ndisc_start_dhcp6_client", "0") to ConfigParseNdiscStartDhcp6ClientOptionValue() as OptionValueInformation,

src/main/kotlin/net/sjrx/intellij/plugins/systemdunitfiles/semanticdata/optionvalues/ai/ConfigParseMemoryPressureWatchOptionValue.kt

@@ -6,13 +6,13 @@ import net.sjrx.intellij.plugins.systemdunitfiles.semanticdata.optionvalues.Simp
 
 /**
  * Validator for Swap.MemoryPressureWatch
- * C Function: config_parse_memory_pressure_watch(0)
+ * C Function: config_parse_pressure_watch(0)
  * Used by Options: Swap.MemoryPressureWatch
- * 
+ *
  * Accepts boolean values (yes/no/1/0/true/false/on/off/y/n/t/f) or special values (auto/skip).
  */
 class ConfigParseMemoryPressureWatchOptionValue : SimpleGrammarOptionValues(
-    "config_parse_memory_pressure_watch",
+    "config_parse_pressure_watch",
     SequenceCombinator(
         FlexibleLiteralChoiceTerminal("yes", "no", "1", "0", "true", "false", "on", "off", "y", "n", "t", "f", "auto", "skip"),
         EOF()

src/test/kotlin/net/sjrx/intellij/plugins/systemdunitfiles/semanticdata/SemanticDataRepositoryTest.kt

@@ -4,6 +4,54 @@ import net.sjrx.intellij.plugins.systemdunitfiles.AbstractUnitFileTest
 import net.sjrx.intellij.plugins.systemdunitfiles.semanticdata.optionvalues.*
 
 class SemanticDataRepositoryTest : AbstractUnitFileTest() {
+
+  /**
+   * Verifies that every registered validator references a function name that actually
+   * exists in one of the gperf files. Catches stale validators after upstream renames.
+   *
+   * Validators kept for backward compatibility with older systemd versions should be
+   * added to the allowlist below with a comment explaining why.
+   */
+  fun testAllRegisteredValidatorsExistInGperfFiles() {
+    val sdr = SemanticDataRepository.instance
+
+    // Validators intentionally kept for backward compatibility with older systemd versions
+    val legacyAllowlist = setOf(
+      // Renamed to config_parse_unit_cpu_set in systemd; old name kept for older versions
+      Validator("config_parse_allowed_cpuset", "0"),
+      // Deprecated cgroup v1 options removed from gperf but still valid on older systemd
+      Validator("config_parse_cpu_shares", "0"),
+      Validator("config_parse_blockio_weight", "0"),
+      Validator("config_parse_blockio_bandwidth", "0"),
+    )
+
+    // Collect all Validator instances referenced in the gperf files
+    val gperfValidators = mutableSetOf<Validator>()
+    for (fileClass in FileClass.entries) {
+      for (section in sdr.getSectionNamesForSectionAndKey(fileClass)) {
+        for (key in sdr.getAllowedKeywordsInSectionFromValidators(fileClass, section)) {
+          gperfValidators.add(sdr.getValidatorForSectionAndKey(fileClass, section, key))
+        }
+      }
+    }
+
+    // Check all registered validators (not just AI-generated ones)
+    val registeredValidators = sdr.getValidatorMap()
+    val staleValidators = registeredValidators.keys.filter { validator ->
+      // Skip the NullOptionValue sentinel and wildcard validators — these are synthetic
+      // and intentionally don't correspond to gperf entries
+      validator.validatorName != "NULL"
+        && validator.validatorArgument != "*"
+        && validator !in gperfValidators
+        && validator !in legacyAllowlist
+    }
+
+    assertTrue(
+      "Registered validators reference function names not found in any gperf file: " +
+        staleValidators.joinToString(", "),
+      staleValidators.isEmpty()
+    )
+  }
   fun testInteresting() {
     val sdr = SemanticDataRepository.instance
     assertInstanceOf(sdr.getOptionValidator(FileClass.UNIT_FILE,"Socket", "SendSIGKILL"), BooleanOptionValue::class.java)