Improve plugin symbol accuracy in completion and docs

lyng-idea/src/main/kotlin/net/sergeych/lyng/idea/completion/LyngCompletionContributor.kt

@@ -122,6 +122,7 @@ class LyngCompletionContributor : CompletionContributor() {
                     fromText.forEach { add(it) }
                     add("lyng.stdlib")
                 }.toList()
+                val staticOnly = DocLookupUtils.isStaticReceiver(mini, text, memberDotPos, imported, binding)
 
                 // Try inferring return/receiver class around the dot
                 val inferred =
@@ -136,7 +137,7 @@ class LyngCompletionContributor : CompletionContributor() {
 
                 if (inferred != null) {
                     if (DEBUG_COMPLETION) log.info("[LYNG_DEBUG] Fallback inferred receiver/return class='$inferred' — offering its members")
-                    offerMembers(emit, imported, inferred, sourceText = text, mini = mini)
+                    offerMembers(emit, imported, inferred, staticOnly = staticOnly, sourceText = text, mini = mini)
                     return
                 } else {
                     if (DEBUG_COMPLETION) log.info("[LYNG_DEBUG] Fallback could not infer class; keeping list empty (no globals after dot)")
@@ -295,6 +296,9 @@ class LyngCompletionContributor : CompletionContributor() {
                 }
                 is MiniEnumDecl -> LookupElementBuilder.create(name)
                     .withIcon(AllIcons.Nodes.Enum)
+                is MiniTypeAliasDecl -> LookupElementBuilder.create(name)
+                    .withIcon(AllIcons.Nodes.Class)
+                    .withTypeText(typeOf(d.target), true)
             }
             emit(builder)
         }
@@ -372,6 +376,7 @@ class LyngCompletionContributor : CompletionContributor() {
                         when (m) {
                             is MiniMemberFunDecl -> if (!m.isStatic) continue
                             is MiniMemberValDecl -> if (!m.isStatic) continue
+                            is MiniMemberTypeAliasDecl -> if (!m.isStatic) continue
                             is MiniInitDecl -> continue
                         }
                     }
@@ -461,6 +466,16 @@ class LyngCompletionContributor : CompletionContributor() {
                                 emit(builder)
                             }
                         }
+                        is MiniMemberTypeAliasDecl -> {
+                            val builder = LookupElementBuilder.create(name)
+                                .withIcon(AllIcons.Nodes.Class)
+                                .withTypeText(typeOf(rep.target), true)
+                            if (groupPriority != 0.0) {
+                                emit(PrioritizedLookupElement.withPriority(builder, groupPriority))
+                            } else {
+                                emit(builder)
+                            }
+                        }
                         is MiniInitDecl -> {}
                     }
                 }

lyng-idea/src/main/kotlin/net/sergeych/lyng/idea/docs/LyngDocumentationProvider.kt

@@ -317,7 +317,8 @@ class LyngDocumentationProvider : AbstractDocumentationProvider() {
                 }
                 if (DEBUG_LOG) log.info("[LYNG_DEBUG] QuickDoc: memberCtx dotPos=${dotPos} chBeforeDot='${if (dotPos > 0) text[dotPos - 1] else ' '}' classGuess=${className} imports=${importedModules}")
                 if (className != null) {
-                    DocLookupUtils.resolveMemberWithInheritance(importedModules, className, ident, mini)?.let { (owner, member) ->
+                    val staticOnly = DocLookupUtils.isStaticReceiver(mini, text, dotPos, importedModules, analysis.binding)
+                    DocLookupUtils.resolveMemberWithInheritance(importedModules, className, ident, mini, staticOnly = staticOnly)?.let { (owner, member) ->
                         if (DEBUG_INHERITANCE) log.info("[LYNG_DEBUG] QuickDoc: literal/call '$ident' resolved to $owner.${member.name}")
                         return when (member) {
                             is MiniMemberFunDecl -> renderMemberFunDoc(owner, member)
@@ -380,7 +381,9 @@ class LyngDocumentationProvider : AbstractDocumentationProvider() {
         val lhs = previousWordBefore(text, idRange.startOffset)
         if (lhs != null && hasDotBetween(text, lhs.endOffset, idRange.startOffset)) {
             val className = text.substring(lhs.startOffset, lhs.endOffset)
-            DocLookupUtils.resolveMemberWithInheritance(importedModules, className, ident, mini)?.let { (owner, member) ->
+            val dotPos = findDotLeft(text, idRange.startOffset)
+            val staticOnly = dotPos?.let { DocLookupUtils.isStaticReceiver(mini, text, it, importedModules, analysis.binding) } ?: false
+            DocLookupUtils.resolveMemberWithInheritance(importedModules, className, ident, mini, staticOnly = staticOnly)?.let { (owner, member) ->
                 if (DEBUG_INHERITANCE) log.info("[LYNG_DEBUG] Inheritance resolved $className.$ident to $owner.${member.name}")
                 return when (member) {
                     is MiniMemberFunDecl -> renderMemberFunDoc(owner, member)
@@ -405,7 +408,8 @@ class LyngDocumentationProvider : AbstractDocumentationProvider() {
                     else -> DocLookupUtils.guessClassFromCallBefore(text, dotPos, importedModules, mini)
                 }
                 if (guessed != null) {
-                    DocLookupUtils.resolveMemberWithInheritance(importedModules, guessed, ident, mini)?.let { (owner, member) ->
+                    val staticOnly = DocLookupUtils.isStaticReceiver(mini, text, dotPos, importedModules, analysis.binding)
+                    DocLookupUtils.resolveMemberWithInheritance(importedModules, guessed, ident, mini, staticOnly = staticOnly)?.let { (owner, member) ->
                         if (DEBUG_INHERITANCE) log.info("[LYNG_DEBUG] Heuristic '$guessed.$ident' resolved via inheritance to $owner.${member.name}")
                         return when (member) {
                             is MiniMemberFunDecl -> renderMemberFunDoc(owner, member)
@@ -424,7 +428,8 @@ class LyngDocumentationProvider : AbstractDocumentationProvider() {
                     run {
                         val candidates = listOf("String", "Iterable", "Iterator", "List", "Collection", "Array", "Dict", "Regex")
                         for (c in candidates) {
-                            DocLookupUtils.resolveMemberWithInheritance(importedModules, c, ident, mini)?.let { (owner, member) ->
+                            val staticOnly = DocLookupUtils.isStaticReceiver(mini, text, dotPos, importedModules, analysis.binding)
+                            DocLookupUtils.resolveMemberWithInheritance(importedModules, c, ident, mini, staticOnly = staticOnly)?.let { (owner, member) ->
                                 if (DEBUG_INHERITANCE) log.info("[LYNG_DEBUG] Candidate '$c.$ident' resolved via inheritance to $owner.${member.name}")
                                 return when (member) {
                                     is MiniMemberFunDecl -> renderMemberFunDoc(owner, member)
@@ -461,11 +466,13 @@ class LyngDocumentationProvider : AbstractDocumentationProvider() {
                         return when (member) {
                             is MiniMemberFunDecl -> renderMemberFunDoc(owner, member)
                             is MiniMemberValDecl -> renderMemberValDoc(owner, member)
+                            is MiniMemberTypeAliasDecl -> renderMemberTypeAliasDoc(owner, member)
                             is MiniInitDecl -> null
                             is MiniFunDecl -> renderDeclDoc(member, text, mini, importedModules)
                             is MiniValDecl -> renderDeclDoc(member, text, mini, importedModules)
                             is MiniClassDecl -> renderDeclDoc(member, text, mini, importedModules)
                             is MiniEnumDecl -> renderDeclDoc(member, text, mini, importedModules)
+                            is MiniTypeAliasDecl -> renderDeclDoc(member, text, mini, importedModules)
                         }
                     }
                 }

lyng-idea/src/main/kotlin/net/sergeych/lyng/idea/navigation/LyngPsiReference.kt

@@ -48,9 +48,10 @@ class LyngPsiReference(element: PsiElement) : PsiPolyVariantReferenceBase<PsiEle
         if (dotPos != null) {
             val receiverClass = DocLookupUtils.guessReceiverClassViaMini(mini, text, dotPos, imported.toList(), binding)
                 ?: DocLookupUtils.guessReceiverClass(text, dotPos, imported.toList(), mini)
+            val staticOnly = DocLookupUtils.isStaticReceiver(mini, text, dotPos, imported.toList(), binding)
             
             if (receiverClass != null) {
-                val resolved = DocLookupUtils.resolveMemberWithInheritance(imported.toList(), receiverClass, name, mini)
+                val resolved = DocLookupUtils.resolveMemberWithInheritance(imported.toList(), receiverClass, name, mini, staticOnly = staticOnly)
                 if (resolved != null) {
                     val owner = resolved.first
                     val member = resolved.second