182: PsiReferenceBase nullability change fixes

2018-04-06 20:35:16 +03:00
parent e7c3086db7
commit 001c5d6e3e
1 changed files with 67 additions and 0 deletions
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea.quickfix
+
+import com.intellij.codeInsight.daemon.impl.quickfix.OrderEntryFix
+import com.intellij.codeInsight.daemon.impl.quickfix.QuickFixActionRegistrarImpl
+import com.intellij.codeInsight.intention.IntentionAction
+import com.intellij.openapi.util.TextRange
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiReference
+import com.intellij.psi.PsiReferenceBase
+import org.jetbrains.kotlin.diagnostics.Diagnostic
+import org.jetbrains.kotlin.idea.references.KtSimpleNameReference.ShorteningMode
+import org.jetbrains.kotlin.idea.references.mainReference
+import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
+import org.jetbrains.kotlin.idea.util.runWhenSmart
+import org.jetbrains.kotlin.psi.KtElement
+import org.jetbrains.kotlin.psi.KtSimpleNameExpression
+import org.jetbrains.kotlin.psi.psiUtil.getQualifiedElement
+import org.jetbrains.kotlin.psi.psiUtil.startOffset
+
+object KotlinAddOrderEntryActionFactory : KotlinIntentionActionsFactory() {
+    override fun doCreateActions(diagnostic: Diagnostic): List<IntentionAction> {
+        val simpleExpression = diagnostic.psiElement as? KtSimpleNameExpression ?: return emptyList()
+        val refElement = simpleExpression.getQualifiedElement()
+
+        val reference = object: PsiReferenceBase<KtElement>(refElement) {
+            override fun resolve() = null
+
+            override fun getVariants() = PsiReference.EMPTY_ARRAY
+
+            override fun getRangeInElement(): TextRange {
+                val offset = simpleExpression.startOffset - refElement.startOffset
+                return TextRange(offset, offset + simpleExpression.textLength)
+            }
+
+            override fun getCanonicalText() = refElement.text
+
+            override fun bindToElement(element: PsiElement): PsiElement {
+                val project = element.project
+                project.runWhenSmart {
+                    project.executeWriteCommand("") {
+                        simpleExpression.mainReference.bindToElement(element, ShorteningMode.FORCED_SHORTENING)
+                    }
+                }
+                return element
+            }
+        }
+
+        @Suppress("UNCHECKED_CAST")
+        return OrderEntryFix.registerFixes(QuickFixActionRegistrarImpl(null), reference) as List<IntentionAction>? ?: emptyList()
+    }
+}