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Completion to add override for inherited method
eg. try completion at the `|` for the following cases:
```java
public Foo {
|
}
```
```java
public Foo {
toStr|
}
```
Closes eclipse-jdt#859
Signed-off-by: David Thompson <davthomp@redhat.com>- Loading branch information
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188
...e.jdt.core/codeassist/org/eclipse/jdt/internal/codeassist/DOMCompletionEngineBuilder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,188 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2024 Red Hat, Inc. and others. | ||
| * | ||
| * This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Public License 2.0 | ||
| * which accompanies this distribution, and is available at | ||
| * https://www.eclipse.org/legal/epl-2.0/ | ||
| * | ||
| * SPDX-License-Identifier: EPL-2.0 | ||
| * | ||
| * Contributors: | ||
| * Red Hat Inc. - initial API and implementation | ||
| *******************************************************************************/ | ||
| package org.eclipse.jdt.internal.codeassist; | ||
|
|
||
| import org.eclipse.jdt.core.dom.IMethodBinding; | ||
| import org.eclipse.jdt.core.dom.ITypeBinding; | ||
| import org.eclipse.jdt.internal.compiler.ast.ASTNode; | ||
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; | ||
|
|
||
| /** | ||
| * Builders adapted from org.eclipse.jdt.internal.codeassist.CompletionEngine in order to work with IBindings | ||
| */ | ||
| class DOMCompletionEngineBuilder { | ||
|
|
||
| private static final String EXTENDS = "extends"; //$NON-NLS-1$ | ||
| private static final String THROWS = "throws"; //$NON-NLS-1$ | ||
| private static final String SUPER = "super"; //$NON-NLS-1$ | ||
|
|
||
| static void createMethod(IMethodBinding methodBinding, StringBuilder completion) { | ||
|
|
||
| // Modifiers | ||
| // flush uninteresting modifiers | ||
| int insertedModifiers = methodBinding.getModifiers() | ||
| & ~(ClassFileConstants.AccNative | ClassFileConstants.AccAbstract); | ||
| if (insertedModifiers != ClassFileConstants.AccDefault) { | ||
| ASTNode.printModifiers(insertedModifiers, completion); | ||
| } | ||
|
|
||
| // Type parameters | ||
|
|
||
| ITypeBinding[] typeVariableBindings = methodBinding.getTypeParameters(); | ||
| if (typeVariableBindings != null && typeVariableBindings.length != 0) { | ||
| completion.append('<'); | ||
| for (int i = 0; i < typeVariableBindings.length; i++) { | ||
| if (i != 0) { | ||
| completion.append(','); | ||
| completion.append(' '); | ||
| } | ||
| createTypeVariable(typeVariableBindings[i], completion); | ||
| } | ||
| completion.append('>'); | ||
| completion.append(' '); | ||
| } | ||
|
|
||
| // Return type | ||
| createType(methodBinding.getReturnType(), completion); | ||
| completion.append(' '); | ||
|
|
||
| // Selector (name) | ||
| completion.append(methodBinding.getName()); | ||
|
|
||
| completion.append('('); | ||
|
|
||
| // Parameters | ||
| ITypeBinding[] parameterTypes = methodBinding.getParameterTypes(); | ||
| String[] parameterNames = methodBinding.getParameterNames(); | ||
| int length = parameterTypes.length; | ||
| for (int i = 0; i < length; i++) { | ||
| if (i != 0) { | ||
| completion.append(','); | ||
| completion.append(' '); | ||
| } | ||
| createType(parameterTypes[i], completion); | ||
| completion.append(' '); | ||
| if (parameterNames != null) { | ||
| completion.append(parameterNames[i]); | ||
| } else { | ||
| completion.append('%'); | ||
| } | ||
| } | ||
|
|
||
| completion.append(')'); | ||
|
|
||
| // Exceptions | ||
| ITypeBinding[] exceptions = methodBinding.getExceptionTypes(); | ||
|
|
||
| if (exceptions != null && exceptions.length > 0) { | ||
| completion.append(' '); | ||
| completion.append(THROWS); | ||
| completion.append(' '); | ||
| for (int i = 0; i < exceptions.length; i++) { | ||
| if (i != 0) { | ||
| completion.append(' '); | ||
| completion.append(','); | ||
| } | ||
| createType(exceptions[i], completion); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| static void createType(ITypeBinding type, StringBuilder completion) { | ||
| if (type.isWildcardType() || type.isIntersectionType()) { | ||
| completion.append('?'); | ||
| if (type.isUpperbound()) { | ||
| completion.append(' '); | ||
| completion.append(EXTENDS); | ||
| completion.append(' '); | ||
| createType(type.getBound(), completion); | ||
| if (type.getTypeBounds() != null) { | ||
| for (ITypeBinding bound : type.getTypeBounds()) { | ||
| completion.append(' '); | ||
| completion.append('&'); | ||
| completion.append(' '); | ||
| createType(bound, completion); | ||
| } | ||
| } | ||
| } else { | ||
| completion.append(' '); | ||
| completion.append(SUPER); | ||
| completion.append(' '); | ||
| createType(type.getBound(), completion); | ||
| } | ||
| } else if (type.isArray()) { | ||
| createType(type.getElementType(), completion); | ||
| int dim = type.getDimensions(); | ||
| for (int i = 0; i < dim; i++) { | ||
| completion.append("[]"); //$NON-NLS-1$ | ||
| } | ||
| } else if (type.isParameterizedType()) { | ||
| if (type.isMember()) { | ||
| createType(type.getDeclaringClass(), completion); | ||
| completion.append('.'); | ||
| completion.append(type.getName()); | ||
| } else { | ||
| completion.append(type.getQualifiedName()); | ||
| } | ||
| ITypeBinding[] typeArguments = type.getTypeArguments(); | ||
| if (typeArguments != null) { | ||
| completion.append('<'); | ||
| for (int i = 0, length = typeArguments.length; i < length; i++) { | ||
| if (i != 0) | ||
| completion.append(','); | ||
| createType(typeArguments[i], completion); | ||
| } | ||
| completion.append('>'); | ||
| } | ||
| } else { | ||
| completion.append(type.getQualifiedName()); | ||
| } | ||
| } | ||
|
|
||
| static void createTypeVariable(ITypeBinding typeVariable, StringBuilder completion) { | ||
| completion.append(typeVariable.getName()); | ||
|
|
||
| if (typeVariable.getSuperclass() != null | ||
| && typeVariable.getTypeBounds()[0].getKey().equals(typeVariable.getSuperclass().getKey())) { | ||
| completion.append(' '); | ||
| completion.append(EXTENDS); | ||
| completion.append(' '); | ||
| createType(typeVariable.getSuperclass(), completion); | ||
| } | ||
| if (typeVariable.getInterfaces() != null) { | ||
| if (!typeVariable.getTypeBounds()[0].getKey().equals(typeVariable.getSuperclass().getKey())) { | ||
| completion.append(' '); | ||
| completion.append(EXTENDS); | ||
| completion.append(' '); | ||
| } | ||
| for (int i = 0, length = typeVariable.getInterfaces().length; i < length; i++) { | ||
| if (i > 0 || typeVariable.getTypeBounds()[0].getKey().equals(typeVariable.getSuperclass().getKey())) { | ||
| completion.append(' '); | ||
| completion.append(EXTENDS); | ||
| completion.append(' '); | ||
| } | ||
| createType(typeVariable.getInterfaces()[i], completion); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| static String getSignature(IMethodBinding methodBinding) { | ||
| return methodBinding.getKey().replace('/', '.'); | ||
| } | ||
|
|
||
| static String getSignature(ITypeBinding methodBinding) { | ||
| return methodBinding.getKey().replace('/', '.'); | ||
| } | ||
|
|
||
| } |