/*******************************************************************************
* Copyright (c) 2008, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.codeassist;
import java.util.Map;
import org.eclipse.jdt.core.IAnnotation;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IMemberValuePair;
import org.eclipse.jdt.internal.codeassist.complete.CompletionOnMarkerAnnotationName;
import org.eclipse.jdt.internal.codeassist.complete.CompletionOnMemberValueName;
import org.eclipse.jdt.internal.codeassist.complete.CompletionOnParameterizedQualifiedTypeReference;
import org.eclipse.jdt.internal.codeassist.complete.CompletionOnQualifiedNameReference;
import org.eclipse.jdt.internal.codeassist.complete.CompletionOnQualifiedTypeReference;
import org.eclipse.jdt.internal.codeassist.complete.CompletionOnSingleNameReference;
import org.eclipse.jdt.internal.codeassist.complete.CompletionOnSingleTypeReference;
import org.eclipse.jdt.internal.codeassist.impl.AssistAnnotation;
import org.eclipse.jdt.internal.codeassist.impl.AssistImportContainer;
import org.eclipse.jdt.internal.codeassist.impl.AssistImportDeclaration;
import org.eclipse.jdt.internal.codeassist.impl.AssistInitializer;
import org.eclipse.jdt.internal.codeassist.impl.AssistPackageDeclaration;
import org.eclipse.jdt.internal.codeassist.impl.AssistSourceField;
import org.eclipse.jdt.internal.codeassist.impl.AssistSourceMethod;
import org.eclipse.jdt.internal.codeassist.impl.AssistSourceType;
import org.eclipse.jdt.internal.codeassist.impl.AssistTypeParameter;
import org.eclipse.jdt.internal.compiler.ast.ASTNode;
import org.eclipse.jdt.internal.compiler.ast.Expression;
import org.eclipse.jdt.internal.compiler.ast.MemberValuePair;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedQualifiedTypeReference;
import org.eclipse.jdt.internal.compiler.ast.ParameterizedSingleTypeReference;
import org.eclipse.jdt.internal.compiler.ast.TypeReference;
import org.eclipse.jdt.internal.compiler.parser.Parser;
import org.eclipse.jdt.internal.core.AnnotatableInfo;
import org.eclipse.jdt.internal.core.Annotation;
import org.eclipse.jdt.internal.core.CompilationUnit;
import org.eclipse.jdt.internal.core.CompilationUnitElementInfo;
import org.eclipse.jdt.internal.core.CompilationUnitStructureRequestor;
import org.eclipse.jdt.internal.core.ImportContainer;
import org.eclipse.jdt.internal.core.ImportDeclaration;
import org.eclipse.jdt.internal.core.Initializer;
import org.eclipse.jdt.internal.core.JavaElement;
import org.eclipse.jdt.internal.core.JavaModelManager;
import org.eclipse.jdt.internal.core.PackageDeclaration;
import org.eclipse.jdt.internal.core.SourceField;
import org.eclipse.jdt.internal.core.SourceMethod;
import org.eclipse.jdt.internal.core.SourceType;
import org.eclipse.jdt.internal.core.TypeParameter;
@SuppressWarnings({"rawtypes", "unchecked"})
public class CompletionUnitStructureRequestor extends CompilationUnitStructureRequestor {
private ASTNode assistNode;
private Map bindingCache;
private Map elementCache;
private Map elementWithProblemCache;
public CompletionUnitStructureRequestor(
ICompilationUnit unit,
CompilationUnitElementInfo unitInfo,
Parser parser,
ASTNode assistNode,
Map bindingCache,
Map elementCache,
Map elementWithProblemCache,
Map newElements) {
super(unit, unitInfo, newElements);
this.parser = parser;
this.assistNode = assistNode;
this.bindingCache = bindingCache;
this.elementCache = elementCache;
this.elementWithProblemCache = elementWithProblemCache;
}
protected Annotation createAnnotation(JavaElement parent, String name) {
return new AssistAnnotation(parent, name, this.newElements);
}
protected SourceField createField(JavaElement parent, FieldInfo fieldInfo) {
String fieldName = JavaModelManager.getJavaModelManager().intern(new String(fieldInfo.name));
AssistSourceField field = new AssistSourceField(parent, fieldName, this.bindingCache, this.newElements);
if (fieldInfo.node.binding != null) {
this.bindingCache.put(field, fieldInfo.node.binding);
this.elementCache.put(fieldInfo.node.binding, field);
} else {
this.elementWithProblemCache.put(fieldInfo.node, field);
}
return field;
}
protected ImportContainer createImportContainer(ICompilationUnit parent) {
return new AssistImportContainer((CompilationUnit)parent, this.newElements);
}
protected ImportDeclaration createImportDeclaration(ImportContainer parent, String name, boolean onDemand) {
return new AssistImportDeclaration(parent, name, onDemand, this.newElements);
}
protected Initializer createInitializer(JavaElement parent) {
return new AssistInitializer(parent, 1, this.bindingCache, this.newElements);
}
protected SourceMethod createMethodHandle(JavaElement parent, MethodInfo methodInfo) {
String selector = JavaModelManager.getJavaModelManager().intern(new String(methodInfo.name));
String[] parameterTypeSigs = convertTypeNamesToSigs(methodInfo.parameterTypes);
AssistSourceMethod method = new AssistSourceMethod(parent, selector, parameterTypeSigs, this.bindingCache, this.newElements);
if (methodInfo.node.binding != null) {
this.bindingCache.put(method, methodInfo.node.binding);
this.elementCache.put(methodInfo.node.binding, method);
} else {
this.elementWithProblemCache.put(methodInfo.node, method);
}
return method;
}
protected PackageDeclaration createPackageDeclaration(JavaElement parent, String name) {
return new AssistPackageDeclaration((CompilationUnit) parent, name, this.newElements);
}
protected SourceType createTypeHandle(JavaElement parent, TypeInfo typeInfo) {
String nameString= new String(typeInfo.name);
AssistSourceType type = new AssistSourceType(parent, nameString, this.bindingCache, this.newElements);
if (typeInfo.node.binding != null) {
this.bindingCache.put(type, typeInfo.node.binding);
this.elementCache.put(typeInfo.node.binding, type);
} else {
this.elementWithProblemCache.put(typeInfo.node, type);
}
return type;
}
protected TypeParameter createTypeParameter(JavaElement parent, String name) {
return new AssistTypeParameter(parent, name, this.newElements);
}
protected IAnnotation acceptAnnotation(
org.eclipse.jdt.internal.compiler.ast.Annotation annotation,
AnnotatableInfo parentInfo,
JavaElement parentHandle) {
if (annotation instanceof CompletionOnMarkerAnnotationName) {
if (hasEmptyName(annotation.type, this.assistNode)) {
super.acceptAnnotation(annotation, null, parentHandle);
return null;
}
}
return super.acceptAnnotation(annotation, parentInfo, parentHandle);
}
protected Object getMemberValue(
org.eclipse.jdt.internal.core.MemberValuePair memberValuePair,
Expression expression) {
if (expression instanceof CompletionOnSingleNameReference) {
CompletionOnSingleNameReference reference = (CompletionOnSingleNameReference) expression;
if (reference.token.length == 0) return null;
} else if (expression instanceof CompletionOnQualifiedNameReference) {
CompletionOnQualifiedNameReference reference = (CompletionOnQualifiedNameReference) expression;
if (reference.tokens[reference.tokens.length - 1].length == 0) return null;
}
return super.getMemberValue(memberValuePair, expression);
}
protected IMemberValuePair[] getMemberValuePairs(MemberValuePair[] memberValuePairs) {
int membersLength = memberValuePairs.length;
int membersCount = 0;
IMemberValuePair[] members = new IMemberValuePair[membersLength];
next : for (int j = 0; j < membersLength; j++) {
if (memberValuePairs[j] instanceof CompletionOnMemberValueName) continue next;
members[membersCount++] = getMemberValuePair(memberValuePairs[j]);
}
if (membersCount > membersLength) {
System.arraycopy(members, 0, members, 0, membersCount);
}
return members;
}
protected static boolean hasEmptyName(TypeReference reference, ASTNode assistNode) {
if (reference == null) return false;
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=397070
if (reference != assistNode &&
reference.sourceStart <= assistNode.sourceStart && assistNode.sourceEnd <= reference.sourceEnd) return false;
if (reference instanceof CompletionOnSingleTypeReference ||
reference instanceof CompletionOnQualifiedTypeReference ||
reference instanceof CompletionOnParameterizedQualifiedTypeReference) {
char[][] typeName = reference.getTypeName();
if (typeName[typeName.length - 1].length == 0) return true;
}
if (reference instanceof ParameterizedSingleTypeReference) {
ParameterizedSingleTypeReference parameterizedReference = (ParameterizedSingleTypeReference) reference;
TypeReference[] typeArguments = parameterizedReference.typeArguments;
if (typeArguments != null) {
for (int i = 0; i < typeArguments.length; i++) {
if (hasEmptyName(typeArguments[i], assistNode)) return true;
}
}
} else if (reference instanceof ParameterizedQualifiedTypeReference) {
ParameterizedQualifiedTypeReference parameterizedReference = (ParameterizedQualifiedTypeReference) reference;
TypeReference[][] typeArguments = parameterizedReference.typeArguments;
if (typeArguments != null) {
for (int i = 0; i < typeArguments.length; i++) {
if (typeArguments[i] != null) {
for (int j = 0; j < typeArguments[i].length; j++) {
if (hasEmptyName(typeArguments[i][j], assistNode)) return true;
}
}
}
}
}
return false;
}
}