| /******************************************************************************* |
| * Copyright (c) 2014, 2017 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.complete; |
| |
| import org.eclipse.jdt.internal.compiler.ast.ReferenceExpression; |
| import org.eclipse.jdt.internal.compiler.ast.TypeReference; |
| import org.eclipse.jdt.internal.compiler.ast.Wildcard; |
| import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants; |
| import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; |
| import org.eclipse.jdt.internal.compiler.impl.Constant; |
| import org.eclipse.jdt.internal.compiler.lookup.BlockScope; |
| import org.eclipse.jdt.internal.compiler.lookup.TypeBinding; |
| import org.eclipse.jdt.internal.compiler.parser.Scanner; |
| |
| public class CompletionOnReferenceExpressionName extends ReferenceExpression { |
| |
| public CompletionOnReferenceExpressionName(Scanner scanner) { |
| super(scanner); |
| } |
| |
| @Override |
| public TypeBinding resolveType(BlockScope scope) { |
| |
| final CompilerOptions compilerOptions = scope.compilerOptions(); |
| TypeBinding lhsType; |
| boolean typeArgumentsHaveErrors; |
| |
| this.constant = Constant.NotAConstant; |
| lhsType = this.lhs.resolveType(scope); |
| if (this.typeArguments != null) { |
| int length = this.typeArguments.length; |
| typeArgumentsHaveErrors = compilerOptions.sourceLevel < ClassFileConstants.JDK1_5; |
| this.resolvedTypeArguments = new TypeBinding[length]; |
| for (int i = 0; i < length; i++) { |
| TypeReference typeReference = this.typeArguments[i]; |
| if ((this.resolvedTypeArguments[i] = typeReference.resolveType(scope, true /* check bounds*/)) == null) { |
| typeArgumentsHaveErrors = true; |
| } |
| if (typeArgumentsHaveErrors && typeReference instanceof Wildcard) { // resolveType on wildcard always return null above, resolveTypeArgument is the real workhorse. |
| scope.problemReporter().illegalUsageOfWildcard(typeReference); |
| } |
| } |
| if (typeArgumentsHaveErrors || lhsType == null) |
| throw new CompletionNodeFound(); |
| } |
| |
| if (lhsType != null && lhsType.isValidBinding()) |
| throw new CompletionNodeFound(this, lhsType, scope); |
| throw new CompletionNodeFound(); |
| } |
| |
| @Override |
| public StringBuffer printExpression(int tab, StringBuffer output) { |
| output.append("<CompletionOnReferenceExpressionName:"); //$NON-NLS-1$ |
| this.lhs.print(0, output); |
| output.append("::"); //$NON-NLS-1$ |
| if (this.typeArguments != null) { |
| output.append('<'); |
| int max = this.typeArguments.length - 1; |
| for (int j = 0; j < max; j++) { |
| this.typeArguments[j].print(0, output); |
| output.append(", ");//$NON-NLS-1$ |
| } |
| this.typeArguments[max].print(0, output); |
| output.append('>'); |
| } |
| output.append(this.selector); |
| return output.append('>'); |
| } |
| } |