Don't highlight scripts if resolver returns Failure.

Note that we don't highlight script when ScriptDependenciesFileAttribute is not set.

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptDefinitionsManager.kt

@@ -63,17 +63,9 @@ class ScriptDefinitionsManager(private val project: Project): ScriptDefinitionPr
 
         if (contributor !in definitionsByContributor) error("Unknown contributor: ${contributor.id}")
 
-        if (contributor.isError()) return emptyList()
         return definitionsByContributor[contributor] ?: emptyList()
     }
 
-    fun getContributorForDefinition(scriptDefinition: KotlinScriptDefinition): ScriptDefinitionContributor {
-        for ((contributor, definitions) in definitionsByContributor) {
-            if (definitions.contains(scriptDefinition)) return contributor
-        }
-        throw error("Unknown definition: ${scriptDefinition.name}")
-    }
-
     private fun currentDefinitions(): List<KotlinScriptDefinition> {
         val hasDefinitions = definitions.isNotEmpty()
         when {
@@ -170,8 +162,6 @@ interface ScriptDefinitionContributor {
 
     fun getDefinitions(): List<KotlinScriptDefinition>
 
-    fun isError(): Boolean = false
-
     companion object {
         val EP_NAME: ExtensionPointName<ScriptDefinitionContributor> =
                 ExtensionPointName.create<ScriptDefinitionContributor>("org.jetbrains.kotlin.scriptDefinitionContributor")

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptDependenciesFileAttribute.kt

@@ -30,7 +30,7 @@ import kotlin.reflect.KProperty
 import kotlin.script.experimental.dependencies.ScriptDependencies
 
 var VirtualFile.scriptDependencies: ScriptDependencies? by ScriptDependenciesProperty()
-private val scriptDependencies = FileAttribute("kotlin-script-dependencies", 2, false)
+private val scriptDependencies = FileAttribute("kotlin-script-dependencies", 3, false)
 
 private class ScriptDependenciesProperty {
 

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptDependenciesUpdater.kt

@@ -206,8 +206,8 @@ class ScriptDependenciesUpdater(
                 requests.replace(file.path, lastRequest, ModStampedRequest(lastRequest.modificationStamp, job = null))
             }
             ServiceManager.getService(project, ScriptReportSink::class.java)?.attachReports(file, result.reports)
-            val resultingDependencies = (result.dependencies ?: ScriptDependencies.Empty).adjustByDefinition(scriptDef)
-            if (saveNewDependencies(resultingDependencies, file, scriptDef)) {
+            val resultingDependencies = result.dependencies?.adjustByDefinition(scriptDef) ?: return
+            if (saveNewDependencies(resultingDependencies, file)) {
                 notifyRootsChanged()
             }
         }
@@ -215,17 +215,13 @@ class ScriptDependenciesUpdater(
 
 
     fun updateSync(file: VirtualFile, scriptDef: KotlinScriptDefinition): Boolean {
-        val newDeps = contentLoader.loadContentsAndResolveDependencies(scriptDef, file) ?: ScriptDependencies.Empty
-        return saveNewDependencies(newDeps, file, scriptDef)
+        val newDeps = contentLoader.loadContentsAndResolveDependencies(scriptDef, file) ?: return false
+        return saveNewDependencies(newDeps, file)
     }
 
-    private fun saveNewDependencies(
-        new: ScriptDependencies,
-        file: VirtualFile,
-        scriptDef: KotlinScriptDefinition
-    ): Boolean {
+    private fun saveNewDependencies(new: ScriptDependencies, file: VirtualFile): Boolean {
         val rootsChanged = cache.hasNotCachedRoots(new)
-        if (cache.save(file, new) && !ScriptDefinitionsManager.getInstance(project).getContributorForDefinition(scriptDef).isError()) {
+        if (cache.save(file, new)) {
             file.scriptDependencies = new
         }
         return rootsChanged

idea/idea-gradle/src/org/jetbrains/kotlin/idea/core/script/GradleScriptTemplateProvider.kt

@@ -88,8 +88,6 @@ class GradleScriptDefinitionsContributor(private val project: Project) : ScriptD
         return loadDefinitions()
     }
 
-    override fun isError() = failedToLoad.get()
-
     // NOTE: control flow here depends on suppressing exceptions from loadGradleTemplates calls
     // TODO: possibly combine exceptions from every loadGradleTemplates call, be mindful of KT-19276
     private fun loadDefinitions(): List<KotlinScriptDefinition> {