QuickFix for DANGLING_FUNCTION_LITERAL_ARGUMENT_SUSPECTED

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetPsiFactory.java

@@ -73,6 +73,14 @@ public class JetPsiFactory {
         return property.getNode().findChildByType(JetTokens.COLON);
     }
 
+    @NotNull
+    public static PsiElement createSemicolon(Project project) {
+        JetProperty property = createProperty(project, "val x: Int;");
+        PsiElement semicolon = property.findElementAt(10);
+        assert semicolon != null;
+        return semicolon;
+    }
+
     public static PsiElement createWhiteSpace(Project project) {
         return createWhiteSpace(project, " ");
     }

idea/src/org/jetbrains/jet/plugin/JetBundle.properties

@@ -47,6 +47,8 @@ specify.type.explicitly.add.action.name=Specify type explicitly
 specify.type.explicitly.remove.action.name=Remove explicitly specified type
 rename.parameter.to.match.overridden.method=Rename parameter to match overridden method
 rename.family=Rename
+add.semicolon.after.invocation=Add semicolon after invocation of ''{0}''
+add.semicolon.family=Add Semicolon
 
 add.kotlin.signature.action.family.name=Specify Custom Kotlin Signature
 add.kotlin.signature.action.text=Specify custom Kotlin signature

idea/src/org/jetbrains/jet/plugin/quickfix/AddSemicolonAfterFunctionCallFix.java

@@ -0,0 +1,76 @@
+/*
+ * Copyright 2010-2013 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.jet.plugin.quickfix;
+
+import com.intellij.openapi.editor.Editor;
+import com.intellij.openapi.project.Project;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiFile;
+import com.intellij.util.IncorrectOperationException;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lang.diagnostics.Diagnostic;
+import org.jetbrains.jet.lang.psi.*;
+import org.jetbrains.jet.plugin.JetBundle;
+
+public class AddSemicolonAfterFunctionCallFix extends JetIntentionAction<JetCallExpression> {
+    JetFunctionLiteralExpression literal;
+
+    public AddSemicolonAfterFunctionCallFix(@NotNull JetCallExpression element, @NotNull JetFunctionLiteralExpression literal) {
+        super(element);
+        this.literal = literal;
+    }
+
+    @NotNull
+    @Override
+    public String getText() {
+        JetExpression callee = element.getCalleeExpression();
+        assert callee != null;
+        return JetBundle.message("add.semicolon.after.invocation", callee.getText());
+    }
+
+    @NotNull
+    @Override
+    public String getFamilyName() {
+        return JetBundle.message("add.semicolon.family");
+    }
+
+    @Override
+    public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException {
+        PsiElement argumentList = element.getValueArgumentList();
+        assert argumentList != null;
+        PsiElement afterArgumentList = argumentList.getNextSibling();
+        int caretOffset = editor.getCaretModel().getOffset();
+        element.getParent().addRangeAfter(afterArgumentList, literal, element);
+        element.deleteChildRange(afterArgumentList, literal);
+        element.getParent().addAfter(JetPsiFactory.createSemicolon(project), element);
+        editor.getCaretModel().moveToOffset(caretOffset + 1);
+    }
+
+    public static JetIntentionActionFactory createFactory() {
+        return new JetIntentionActionFactory() {
+            @Nullable
+            @Override
+            public JetIntentionAction createAction(Diagnostic diagnostic) {
+                JetCallExpression callExpression = QuickFixUtil.getParentElementOfType(diagnostic, JetCallExpression.class);
+                JetFunctionLiteralExpression literalExpression = QuickFixUtil.getParentElementOfType(diagnostic, JetFunctionLiteralExpression.class);
+                if (callExpression == null || literalExpression == null) return null;
+                return new AddSemicolonAfterFunctionCallFix(callExpression, literalExpression);
+            }
+        };
+    }
+}

idea/src/org/jetbrains/jet/plugin/quickfix/QuickFixes.java

@@ -181,5 +181,7 @@ public class QuickFixes {
         factories.put(ILLEGAL_ENUM_ANNOTATION, RemoveModifierFix.createRemoveModifierFromListOwnerFactory(ENUM_KEYWORD));
 
         factories.put(NOT_AN_ANNOTATION_CLASS, MakeClassAnAnnotationClassFix.createFactory());
+
+        factories.put(DANGLING_FUNCTION_LITERAL_ARGUMENT_SUSPECTED, AddSemicolonAfterFunctionCallFix.createFactory());
     }
 }

idea/testData/quickfix/expressions/afterDanglingFunctionLiteralArgument.kt

@@ -0,0 +1,8 @@
+// "Add semicolon after invocation of 'foo'" "true"
+fun foo() {}
+fun foo(x : Int) {}
+fun bar() {
+    foo(4);
+
+    {}<caret>
+}

idea/testData/quickfix/expressions/beforeDanglingFunctionLiteralArgument.kt

@@ -0,0 +1,8 @@
+// "Add semicolon after invocation of 'foo'" "true"
+fun foo() {}
+fun foo(x : Int) {}
+fun bar() {
+    foo(4)
+
+    {}<caret>
+}

idea/tests/org/jetbrains/jet/plugin/quickfix/QuickFixTestGenerated.java

@@ -316,6 +316,11 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
             JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), "org.jetbrains.jet.generators.tests.GenerateTests", new File("idea/testData/quickfix/expressions"), Pattern.compile("^before(\\w+)\\.kt$"), true);
         }
         
+        @TestMetadata("beforeDanglingFunctionLiteralArgument.kt")
+        public void testDanglingFunctionLiteralArgument() throws Exception {
+            doTest("idea/testData/quickfix/expressions/beforeDanglingFunctionLiteralArgument.kt");
+        }
+        
         @TestMetadata("beforeUnnecessaryNonNullAssertion1.kt")
         public void testUnnecessaryNonNullAssertion1() throws Exception {
             doTest("idea/testData/quickfix/expressions/beforeUnnecessaryNonNullAssertion1.kt");