ArrayQualifiedTypeReference.java

/*******************************************************************************
 * Copyright (c) 2000, 2009 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.compiler.ast;

import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.internal.compiler.ASTVisitor;
import org.eclipse.jdt.internal.compiler.lookup.BlockScope;
import org.eclipse.jdt.internal.compiler.lookup.ClassScope;
import org.eclipse.jdt.internal.compiler.lookup.LookupEnvironment;
import org.eclipse.jdt.internal.compiler.lookup.Scope;
import org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.eclipse.jdt.internal.compiler.problem.AbortCompilation;

public class ArrayQualifiedTypeReference extends QualifiedTypeReference {
	int dimensions;

	public ArrayQualifiedTypeReference(char[][] sources, int dim, long[] poss) {

		super(sources, poss);
		this.dimensions= dim;
	}

	public int dimensions() {

		return this.dimensions;
	}

	/**
	 * @return char[][]
	 */
	public char[][] getParameterizedTypeName() {
		int dim= this.dimensions;
		char[] dimChars= new char[dim * 2];
		for (int i= 0; i < dim; i++) {
			int index= i * 2;
			dimChars[index]= '[';
			dimChars[index + 1]= ']';
		}
		int length= this.tokens.length;
		char[][] qParamName= new char[length][];
		System.arraycopy(this.tokens, 0, qParamName, 0, length - 1);
		qParamName[length - 1]= CharOperation.concat(this.tokens[length - 1], dimChars);
		return qParamName;
	}

	protected TypeBinding getTypeBinding(Scope scope) {

		if (this.resolvedType != null)
			return this.resolvedType;
		if (this.dimensions > 255) {
			scope.problemReporter().tooManyDimensions(this);
		}
		LookupEnvironment env= scope.environment();
		try {
			env.missingClassFileLocation= this;
			TypeBinding leafComponentType= super.getTypeBinding(scope);
			return this.resolvedType= scope.createArrayType(leafComponentType, this.dimensions);
		} catch (AbortCompilation e) {
			e.updateContext(this, scope.referenceCompilationUnit().compilationResult);
			throw e;
		} finally {
			env.missingClassFileLocation= null;
		}
	}

	public StringBuffer printExpression(int indent, StringBuffer output) {

		super.printExpression(indent, output);
		if ((this.bits & IsVarArgs) != 0) {
			for (int i= 0; i < this.dimensions - 1; i++) {
				output.append("[]"); //$NON-NLS-1$
			}
			output.append("..."); //$NON-NLS-1$
		} else {
			for (int i= 0; i < this.dimensions; i++) {
				output.append("[]"); //$NON-NLS-1$
			}
		}
		return output;
	}

	public void traverse(ASTVisitor visitor, BlockScope scope) {

		visitor.visit(this, scope);
		visitor.endVisit(this, scope);
	}

	public void traverse(ASTVisitor visitor, ClassScope scope) {

		visitor.visit(this, scope);
		visitor.endVisit(this, scope);
	}
}