make kt compiler happy

Author: tangzx

src/main/java/com/tang/intellij/lua/documentation/LuaDocumentationProvider.kt

@@ -70,11 +70,10 @@ class LuaDocumentationProvider : AbstractDocumentationProvider(), DocumentationP
     private fun genDoc(owner: LuaCommentOwner): String? {
         val sb = StringBuilder()
         if (owner is LuaFuncBodyOwner && owner is PsiNameIdentifierOwner) {
-            val funcBodyOwner = owner as LuaFuncBodyOwner
             val methodDef = owner as PsiNameIdentifierOwner
             sb.append("<h1>")
             sb.append(methodDef.name)
-            sb.append(funcBodyOwner.paramSignature)
+            sb.append(owner.paramSignature)
             sb.append("</h1><br>")
         }
 

src/main/java/com/tang/intellij/lua/editor/structure/LuaFileElement.kt

@@ -94,8 +94,7 @@ class LuaFileElement(private val file: LuaFile) : StructureViewTreeElement {
 
             override fun visitElement(element: PsiElement?) {
                 if (element is LuaCommentOwner) {
-                    val owner = element as LuaCommentOwner?
-                    val comment = owner!!.comment
+                    val comment = element.comment
                     if (comment != null)
                         visitDocComment(comment)
                 }

src/main/java/com/tang/intellij/lua/psi/LuaPsiImplUtil.kt

@@ -356,8 +356,7 @@ object LuaPsiImplUtil {
 
     @JvmStatic fun guessReturnTypeSet(owner: LuaFuncBodyOwner, searchContext: SearchContext): LuaTypeSet? {
         if (owner is StubBasedPsiElementBase<*>) {
-            val stubElement = owner as StubBasedPsiElementBase<*>
-            val stub = stubElement.stub
+            val stub = owner.stub
             if (stub is LuaFuncBodyOwnerStub<*>) {
                 return stub.returnTypeSet
             }
@@ -370,7 +369,7 @@ object LuaPsiImplUtil {
 
     @JvmStatic fun guessReturnTypeSetOriginal(owner: LuaFuncBodyOwner, searchContext: SearchContext): LuaTypeSet {
         if (owner is LuaCommentOwner) {
-            val comment = LuaCommentUtil.findComment(owner as LuaCommentOwner)
+            val comment = LuaCommentUtil.findComment(owner)
             if (comment != null) {
                 val returnDef = PsiTreeUtil.findChildOfType(comment, LuaDocReturnDef::class.java)
                 if (returnDef != null) {
@@ -407,11 +406,9 @@ object LuaPsiImplUtil {
 
     @JvmStatic fun getParams(owner: LuaFuncBodyOwner): Array<LuaParamInfo?> {
         if (owner is StubBasedPsiElementBase<*>) {
-            val stubElement = owner as StubBasedPsiElementBase<*>
-            val stub = stubElement.stub
+            val stub = owner.stub
             if (stub is LuaFuncBodyOwnerStub<*>) {
-                val funcBodyOwnerStub = stub as LuaFuncBodyOwnerStub<*>?
-                return funcBodyOwnerStub!!.params
+                return stub.params
             }
         }
         return getParamsOriginal(owner)
@@ -420,7 +417,7 @@ object LuaPsiImplUtil {
     @JvmStatic fun getParamsOriginal(funcBodyOwner: LuaFuncBodyOwner): Array<LuaParamInfo?> {
         var comment: LuaComment? = null
         if (funcBodyOwner is LuaCommentOwner) {
-            comment = LuaCommentUtil.findComment(funcBodyOwner as LuaCommentOwner)
+            comment = LuaCommentUtil.findComment(funcBodyOwner)
         }
 
         val paramNameList = funcBodyOwner.paramNameDefList

src/main/java/com/tang/intellij/lua/psi/impl/LuaExprMixin.kt

@@ -33,11 +33,11 @@ open class LuaExprMixin internal constructor(node: ASTNode) : LuaPsiElementImpl(
         return RecursionManager.doPreventingRecursion<LuaTypeSet>(this, true) {
             var set: LuaTypeSet? = null
             if (this is LuaCallExpr)
-                set = guessType(this as LuaCallExpr, context)
+                set = guessType(this, context)
             if (this is LuaParenExpr)
-                set = guessType(this as LuaParenExpr, context)
+                set = guessType(this, context)
             else if (this is LuaLiteralExpr)
-                set = guessType(this as LuaLiteralExpr)
+                set = guessType(this)
             set
         }
     }

src/main/java/com/tang/intellij/lua/psi/impl/LuaIndexExprMixin.kt

@@ -93,12 +93,11 @@ open class LuaIndexExprMixin : StubBasedPsiElementBase<LuaIndexStub>, LuaExpress
         val all = LuaClassFieldIndex.findAll(type, fieldName, context)
         for (fieldDef in all) {
             if (fieldDef is LuaIndexExpr) {
-                val indexExpr = fieldDef as LuaIndexExpr
-                val stub = indexExpr.stub
+                val stub = fieldDef.stub
                 if (stub != null)
                     set = set.union(stub.guessValueType())
                 else
-                    set = set.union(indexExpr.guessValueType(context))
+                    set = set.union(fieldDef.guessValueType(context))
 
                 if (fieldDef === this)
                     return set

src/main/java/com/tang/intellij/lua/stubs/types/LuaClassMethodType.kt

@@ -106,7 +106,12 @@ class LuaClassMethodType : IStubElementType<LuaClassMethodStub, LuaClassMethodDe
 
         val returnTypeSet = LuaTypeSet.deserialize(stubInputStream)
         val isStatic = stubInputStream.readBoolean()
-        return LuaClassMethodStubImpl(StringRef.toString(shortName), StringRef.toString(className), params, returnTypeSet, isStatic, stubElement)
+        return LuaClassMethodStubImpl(StringRef.toString(shortName)!!,
+                StringRef.toString(className)!!,
+                params,
+                returnTypeSet,
+                isStatic,
+                stubElement)
     }
 
     override fun indexStub(luaClassMethodStub: LuaClassMethodStub, indexSink: IndexSink) {

src/main/java/com/tang/intellij/lua/stubs/types/LuaDocClassFieldType.kt

@@ -75,7 +75,10 @@ class LuaDocClassFieldType : IStubElementType<LuaDocClassFieldStub, LuaDocFieldD
         val name = stubInputStream.readName()
         val className = stubInputStream.readName()
         val typeSet = LuaTypeSet.deserialize(stubInputStream)
-        return LuaDocClassFieldStubImpl(stubElement, StringRef.toString(name), StringRef.toString(className), typeSet)
+        return LuaDocClassFieldStubImpl(stubElement,
+                StringRef.toString(name)!!,
+                StringRef.toString(className)!!,
+                typeSet)
     }
 
     override fun indexStub(luaFieldStub: LuaDocClassFieldStub, indexSink: IndexSink) {

src/main/java/com/tang/intellij/lua/stubs/types/LuaDocClassType.kt

@@ -62,7 +62,10 @@ class LuaDocClassType : IStubElementType<LuaDocClassStub, LuaDocClassDef>("Class
         val className = stubInputStream.readName()
         val aliasName = stubInputStream.readName()
         val superClassName = stubInputStream.readName()
-        return LuaDocClassStubImpl(StringRef.toString(className), StringRef.toString(aliasName), StringRef.toString(superClassName), stubElement)
+        return LuaDocClassStubImpl(StringRef.toString(className)!!,
+                StringRef.toString(aliasName),
+                StringRef.toString(superClassName),
+                stubElement)
     }
 
     override fun indexStub(luaDocClassStub: LuaDocClassStub, indexSink: IndexSink) {

src/main/java/com/tang/intellij/lua/stubs/types/LuaGlobalFuncType.kt

@@ -87,7 +87,7 @@ class LuaGlobalFuncType : IStubElementType<LuaGlobalFuncStub, LuaGlobalFuncDef>(
         }
 
         val returnTypeSet = LuaTypeSet.deserialize(stubInputStream)
-        return LuaGlobalFuncStubImpl(StringRef.toString(name), params, returnTypeSet, stubElement)
+        return LuaGlobalFuncStubImpl(StringRef.toString(name)!!, params, returnTypeSet, stubElement)
     }
 
     override fun indexStub(luaGlobalFuncStub: LuaGlobalFuncStub, indexSink: IndexSink) {

src/main/java/com/tang/intellij/lua/stubs/types/LuaNameType.kt

@@ -56,7 +56,7 @@ class LuaNameType : IStubElementType<LuaNameStub, LuaNameExpr>("NameExpr", LuaLa
     @Throws(IOException::class)
     override fun deserialize(stubInputStream: StubInputStream, stubElement: StubElement<*>): LuaNameStub {
         val nameRef = stubInputStream.readName()
-        return LuaNameStubImpl(StringRef.toString(nameRef), stubElement, this)
+        return LuaNameStubImpl(StringRef.toString(nameRef)!!, stubElement, this)
     }
 
     override fun indexStub(luaNameStub: LuaNameStub, indexSink: IndexSink) {